induction aerosol delivery device

专利摘要:
an aerosol delivery device is provided that includes a substrate configured to carry an aerosol precursor composition, and a resonant transformer including a transmitter coupling device and a resonant receiver coupling device that are positioned in close proximity to the substrate. The aerosol delivery device also includes a pulse width modulation (pwm) inverter configured to drive the resonant transformer. the pwm inverter includes a bridge circuit coupled to the transmitter coupling device, and a pwm controller incorporated as an integrated circuit and configured to send a pwm signal to the bridge circuit configured to drive the transmitter coupling device to generate an oscillating magnetic field and induce an alternating voltage in the resonant receiver coupling device when exposed to the oscillating magnetic field. alternating voltage causes the resonant receiver coupling device to generate heat and thereby vaporize the components of the aerosol precursor composition.
公开号:BR112019009676A2
申请号:R112019009676
申请日:2017-11-15
公开日:2019-08-06
发明作者:t hunt Eric；W Rogers James；Sur Rajesh；B Sears Stephen
申请人:Rai Strategic Holdings Inc；
IPC主号:

专利说明:

AEROSOL DELIVERY DEVICE TO THE TECHNOLOGICAL FIELD INDUCTION BASE [001] This disclosure relates to aerosol delivery devices, such as tobacco articles and, more particularly, to aerosol delivery devices that can use electrically generated heat to aerosol production (for example, smoking articles commonly referred to as electronic cigarettes). The smoking articles can be configured to heat an aerosol precursor, which can incorporate materials that can be made or derived from, or otherwise incorporate tobacco, the precursor being able to form an inhalable substance for human consumption.
FUNDAMENTALS [002] Many devices have been proposed over the years as improvements or alternatives to tobacco products that require combustion of tobacco for use. Many of these devices are supposed to have been designed to provide the sensations associated with smoking cigarettes, cigars or pipes, but without distributing considerable amounts of incomplete combustion and pyrolysis products that result from tobacco burning. To this end, numerous alternative tobacco products, flavor generators and medical inhalers have been proposed that use electrical energy to vaporize or heat a volatile material, or try to provide the sensations of smoking a cigarette, cigar or pipe without burning tobacco to a significant degree. See, for example, the various smoking articles, aerosol delivery devices and alternative heat generation sources established in the prior art.
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2/59 described in US Patent No. 8,881,737 to Collett et al., US Patent Application Publication No. 2013/0255702 to Griffith Jr. et al., US Patent Application Publication No. 2014/0000638 to Sebastian et al., US Patent Application Publication No. 2014/0096781 by Sears et al. , US Patent Application Publication No. 2014/0096782 by Ampolini et al., US Patent Application Publication No. 2015/0059780 by Davis et al. and U.S. Patent Application Serial No. 15 / 222,615 by Watson et al., filed July 28, 2016, all incorporated herein by reference. See also, for example, the various product implementations and heating configurations described in the foundations sections of U.S. Patent No. 5,388,594 to Counts et al. and 8,079,371 by Robinson et al. , which are incorporated by reference.
[003] Various implementations of aerosol delivery devices employ an atomizer to produce an aerosol from an aerosol precursor composition. Such atomizers often employ direct resistive heating to produce heat. In this regard, atomizers may include a heating element comprising a coil or other member that produces heat through the electrical resistance associated with the material through which an electrical current is directed. The electrical current is typically directed through the heating element through direct electrical connections, such as wires or connectors. However, the formation of such electrical connections can complicate the assembly of the aerosol delivery device and add potential points of failure. In addition, in some implementations, the
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3/59 aerosol delivery device may include a control body, which may include an energy source, and a cartridge, which may include the atomizer. In these implementations, electrical connections between the cartridge and the control body may be necessary, which can further complicate the design of the aerosol delivery device. Thus, advances in relation to aerosol delivery devices may be desirable.
BRIEF SUMMARY [004] The present disclosure relates to aerosol delivery devices configured to produce aerosol and whose aerosol delivery devices, in some implementations, may be referred to as electronic cigarettes or heat cigarettes without burning. As described below, aerosol delivery devices can include a resonant transformer including a transmitter coupling device (sometimes referred to as an induction transmitter) and a resonant receiver coupling device (sometimes referred to as an induction receiver) ). The transmitter coupling device may include a coil configured to create an oscillating magnetic field (a magnetic field that varies periodically over time) when the alternating current is directed through it. The resonant receiver coupling device can be at least partially received within the transmitter coupling device and can include a conductive material. In this way, by directing the alternating current through the transmitter coupling device, eddy currents can be generated in the coupling device.
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4/59 of resonant receptor via induction. Eddy currents flowing through the material's resistance defining the resonant receiver coupling device can heat it up by Joule heating. In this way, the resonant receiver coupling device, which can define an atomizer, can be heated wirelessly to form an aerosol from an aerosol precursor composition positioned in the vicinity of the resonant receiver coupling device. Wireless heating, as used herein, refers to heating that occurs through an atomizer that is not physically electrically connected to the (electrical) energy source. For more information, see U.S. Patent Application Serial No. 14 / 934,763 to Davis et al. , filed on November 6, 2015, and US Patent Application Serial No. 15 / 002,056 from Sur, filed on January 20, 2016, both of which are incorporated herein by reference.
[005] This disclosure includes, without limitation, the following example implementations.
[006] Implementation of Example 1: An aerosol delivery device comprising a substrate configured to carry an aerosol precursor composition; a resonant transformer including a transmitter coupling device and a resonant receiver coupling device that is positioned in close proximity to the substrate; and a pulse width modulation (PWM) inverter configured to drive the resonant transformer, the PWM inverter comprising: a bridge circuit coupled to the transmitter coupling device; and a built-in PWM controller as an integrated circuit and
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5/59 configured to output a PWM signal to the bridge circuit configured to drive the transmitter coupling device to generate an oscillating magnetic field and induce an alternating voltage in the resonant receiver coupling device when exposed to the oscillating magnetic field, the voltage alternating causing the resonant receiver coupling device to generate heat and thereby vaporize the components of the aerosol precursor composition.
[007] Example Implementation 2: The aerosol delivery device of any previous example implementation, or any combination of any previous example implementations, wherein the aerosol delivery device further comprises a power source including a rechargeable supercapacitor, rechargeable solid-state battery or rechargeable lithium-ion battery, and configured to power the PWM inverter.
[008] Example Implementation 3: The aerosol delivery device of any previous example implementation, or any combination of any previous example implementations, wherein the aerosol delivery device further comprises a constant voltage regulator between the source of power and PWM inverter, and configured to maintain a constant voltage level on the PWM inverter.
[009] Example Implementation 4: The aerosol delivery device of any previous example implementation, or any combination of any previous example implementations, in which the device
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6/59 aerosol delivery further comprises a power source including a rechargeable supercapacitor, and configured to power the PWM inverter.
[0010] Example 5 Implementation: The aerosol delivery device of any previous example implementation, or any combination of any previous example implementations, wherein the power source further includes connectable terminals with a power source from which the rechargeable supercapacitor is chargeable.
[0011] Example Implementation 6: The aerosol delivery device of any previous example implementation, or any combination of any previous example implementations, wherein the energy source further comprises the energy source, and the energy source is or includes a rechargeable solid state battery or rechargeable lithium ion battery.
[0012] Example Implementation 7: The aerosol delivery device of any previous example implementation, or any combination of any previous example implementations, where the bridge circuit is a half bridge composed of a pair of transistors and a pair diodes.
[0013] Example Implementation 8: The aerosol delivery device of any previous example implementation, or any combination of any previous example implementations, wherein the aerosol delivery device further comprises a Hall effect current sensor positioned on the proximity to the resonant receiver coupling device and
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7/59 configured to produce a measurement of an alternating current induced in it; and a microprocessor configured to receive the measurement and control operation of at least one functional element of the aerosol delivery device in response thereto.
[0014] Example Implementation 9: The aerosol delivery device of any previous example implementation, or any combination of any previous example implementations, wherein the aerosol delivery device further comprises a high pass filter coupled to the coupling device of resonant receiver and configured to filter any direct voltage component from the alternating voltage induced in the resonant receiver coupling device; and a non-inverting amplifier circuit coupled to the high-pass filter and configured to amplify the filtered alternating voltage.
[0015] Example 10 Implementation: The aerosol delivery device of any previous example implementation, or any combination of any previous example implementations, wherein the transmitter coupling device is configured to at least partially involve the coupling device resonant receptor.
[0016] Example Implementation 11: The aerosol delivery device of any previous example implementation, or any combination of any previous example implementations, wherein the transmitter coupling device defines a tubular or coiled configuration.
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8/59 [0017] Implementation of Example 12: A control body coupled or attachable to a cartridge that is equipped with a resonant receiver coupling device that is positioned in close proximity to a substrate configured to carry an aerosol precursor composition, the control body comprising a transmitter coupling device which with the resonant receiver coupling device forms a resonant transformer when the control body is coupled to the cartridge; and a pulse width modulation (PWM) inverter configured to drive the resonant transformer, the PWM inverter comprising: a bridge circuit coupled to the transmitter coupling device; and a PWM controller incorporated as an integrated circuit and configured to send a PWM signal to the bridge circuit configured to drive the transmitter coupling device to generate an oscillating magnetic field and induce alternating voltage in the resonant receiver coupling device when exposed to the oscillating magnetic field, the alternating voltage causing the resonant receiver coupling device to generate heat and thereby vaporize the components of the aerosol precursor composition.
[0018] Example Implementation 13: The control body of any previous example implementation, or any combination of any previous example implementations, wherein the control body further comprises a power source including a rechargeable supercapacitor, solid state battery rechargeable or rechargeable lithium ion battery, and configured to power the inverter
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9/59 PWM.
[0019] Example Implementation 14: The control body of any previous example implementation, or any combination of any example implementations
previous ones, where the control body comprises still one voltage regulator constant between the source of energy and PWM inverter, and configured for constant voltage on the PWM inverter. keep one level in [0020] Implementation of Example 15: 0 body in control of any implementation of ant example erior, or
any combination of any previous example implementations, where the control body further comprises a power source including a rechargeable supercapacitor, and configured to power the PWM inverter.
[0021] Example Implementation 16: The control body of any previous example implementation, or any combination of any previous example implementations, in which the power source also includes terminals connectable with a power source from which the supercapacitor rechargeable is chargeable.
[0022] Example Implementation 17: The control body of any previous example implementation, or any combination of any previous example implementations, where the energy source further comprises the energy source, and the energy source is or includes a rechargeable solid-state battery or rechargeable lithium-ion battery.
[0023] Example Implementation 18: The control body of any previous example implementation, or any combination of any example implementations
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Previous 10/59, in which the bridge circuit is a half bridge composed of a pair of transistors and a pair of diodes.
[0024] Example Implementation 19: The control body of any previous example implementation, or any combination of any previous example implementations, in which the transmitter coupling device is configured to at least partially involve the receiver coupling device resonant.
[0025] Example Implementation 20: The control body of any previous example implementation, or any combination of any previous example implementations, in which the transmitter coupling device defines a tubular or coiled configuration.
[0026] These and other resources, aspects and advantages of the present disclosure will be evident from reading the following detailed description together with the attached drawings, which are briefly described below. The present disclosure includes any combination of two, three, four or more features or elements set forth in this disclosure, regardless of whether those features or elements are expressly combined or otherwise cited in a specific example implementation described here. This disclosure is intended to be read holistically, so that any resources or elements separable from the disclosure, in any of its aspects and example implementations, should be viewed as combinable, unless the context of the disclosure clearly dictates otherwise.
[0027] It will therefore be appreciated that this Brief
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Summary is provided merely for the purpose of summarizing some example implementations, in order to provide a basic understanding of some aspects of the disclosure. Consequently, it will be appreciated that the example implementations described above are merely examples and should not be construed to restrict the scope or spirit of the disclosure in any way. Other example implementations, aspects and advantages will become evident from the following detailed description, taken in conjunction with the accompanying drawings, which illustrate, by way of example, the principles of some example implementations described.
BRIEF DESCRIPTION OF THE DRAWINGS [0028] Having thus described the disclosure in the general terms mentioned above, reference will now be made to the attached drawings, which are not necessarily drawn to scale, and in which:
[0029] Figure 1 illustrates a perspective view of an aerosol delivery device comprising a cartridge and a control body, wherein the cartridge and the control body are coupled together in accordance with an example implementation of the present disclosure;
[0030] Figure 2 illustrates a perspective view of the aerosol delivery device of Figure 1 in which the cartridge and the control body are decoupled from each other according to an example implementation of the present disclosure;
[0031] Figure 3 illustrates an exploded view of the control body of Figure 1 in which a transmitter coupling device thereof defines a configuration
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Tubular 12/59 according to an example implementation of the present disclosure;
[0032] Figure 4 illustrates a sectional view through the control body of Figure 3;
[0033] Figure 5 illustrates a sectional view through the control body of Figure 1 in which a transmitter coupling device thereof defines a coiled configuration according to an example implementation of the present disclosure;
[0034] Figure 6 illustrates an exploded view of the cartridge of Figure 1 in which a substrate thereof extends to an internal compartment defined by a container according to a first example implementation of the present disclosure;
[0035] THE Figure 7 illustrates an View sectional through Figure cartridge 6; [0036] THE Figure 8 illustrates an View sectional
through the cartridge of Figure 1 including a reservoir substrate in an internal compartment defined by a container according to a second example implementation of the present disclosure;
[0037] Figure 9 illustrates a sectional view through the Figure 1 cartridge including a substrate in contact with a resonant receiver coupling device according to a third example implementation of the present disclosure;
[0038] Figure 10 illustrates a sectional view through the Figure 1 cartridge including an electronic control component according to a fourth example implementation of the present disclosure;
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13/59 [0039] Figure 11 illustrates a sectional view through the aerosol delivery device of Figure 1 including the cartridge of Figure 6 and the control body of Figure 3 according to an example implementation of the present disclosure;
[0040] Figures 12, 13 and 14 illustrate circuits and other components of the aerosol delivery device according to example implementations;
[0041] Figure 15 schematically illustrates a method for assembling an aerosol delivery device according to an example implementation of the present disclosure; and [0042] Figure 16 schematically illustrates a method for aerosolizing according to an example implementation of the present disclosure.
DETAILED DESCRIPTION [0043] The present disclosure will now be described in more detail below with reference to example implementations thereof. These example implementations are described so that this disclosure is exhaustive and complete and fully transmits the scope of the disclosure to those skilled in the art. In fact, disclosure can be incorporated in many different ways and should not be construed as limited to the implementations set forth herein; instead, these implementations are provided in order for that disclosure to meet applicable legal requirements. As used in the specification and the appended claims, singular forms one, one, o and the like include plural references, unless the context clearly indicates otherwise. Beyond
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14/59 addition, although reference may be made to quantitative measures, values, geometric relationships or the like, unless otherwise stated, any one or more of them, if not all, may be absolute or approximate to consider acceptable variations that may occur , such as those due to engineering or similar tolerances.
[0044] As described below, example implementations of the present disclosure refer to aerosol delivery devices. Aerosol delivery devices in accordance with the present disclosure use electrical energy to heat a material (preferably without burning the material to any significant degree) to form an inhalable substance; and the components of such systems are in the form of articles more preferably compact enough to be considered portable devices. That is, the use of components of preferred aerosol delivery devices does not result in the production of smoke in the sense that the aerosol results mainly from by-products of combustion or tobacco pyrolysis, but rather, the use of these preferred systems results in the production of vapors resulting from the volatilization or vaporization of certain components incorporated in them. In some example implementations, the components of aerosol delivery devices can be characterized as electronic cigarettes, and these electronic cigarettes preferably incorporate tobacco and / or tobacco-derived components and thus distribute tobacco-derived components in the form of an aerosol.
[0045] Parts of aerosol generation of certain
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Preferred aerosol delivery devices can provide many of the sensations (eg, inhalation and exhalation rituals, types of tastes or flavors, organoleptic effects, physical sensation, usage rituals, visual cues such as those provided by visible aerosol and the like ) smoking a cigarette, cigar or pipe that is used for lighting and burning tobacco (and therefore inhaling tobacco smoke), without any substantial degree of combustion of any component thereof. For example, the user of an aerosol generating part of the present invention may contain and use that part in a very similar way to a smoker using a traditional type of smoking article, suck at one end of that part for aerosol inhalation produced by that ask, take or suck puffs at selected intervals of time, and so on.
[0046] Although systems are generally described here in terms of implementations associated with aerosol delivery devices, such as so-called electronic cigarettes, it should be understood that mechanisms, components, resources and methods can be incorporated in many different and associated ways with a variety of articles. For example, the description provided here can be used in conjunction with implementations of traditional smoking articles (e.g., cigarettes, cigars, pipes, etc.), non-burning heat cigarettes, and related packaging for any of the products disclosed herein. Therefore, it should be understood that the description of the mechanisms, components, resources and methods disclosed herein are discussed in terms
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of implementations relating to devices delivery in aerosol only in the title example, and can to be incorporated and used in methods. many others products and [0047] The devices delivery aerosol gives
The present disclosure can also be characterized as being articles of steam production or articles of drug delivery. Thus, such articles or devices can be adapted to provide one or more substances (for example, flavors and / or pharmaceutical active ingredients) in an inhalable form or state. For example, inhalable substances can be substantially in the form of a vapor (that is, a substance that is in the gas phase at a temperature below its critical point). Alternatively, inhalable substances can be in the form of an aerosol (i.e., a suspension of fine solid particles or liquid droplets in a gas). For the sake of simplicity, the term aerosol, as used herein, is intended to include vapors, gases and aerosols in a form or type suitable for human inhalation, visible or not, and in a way that may or may not be considered to be like smoke.
[0048] In use, the aerosol delivery devices of this disclosure may be subject to many of the physical actions employed by an individual in the use of a traditional type of smoking article (for example, a cigarette, cigar or pipe that is used for lighting and inhaling tobacco). For example, the user of an aerosol delivery device of the present disclosure can keep this article very similar to a traditional type of
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17/59 smoke, suck on one end of this article for inhaling the aerosol produced by that article, take puffs at selected time intervals, etc.
[0049] Aerosol delivery devices of the present disclosure generally include several components provided within an outer body or shell, which can be referred to as a housing. The overall design of the outer body or shell may vary, and the shape or configuration of the outer body that can define the total size and shape of the aerosol delivery device may vary. Typically, an elongated body similar to the shape of a cigarette or cigar can be formed from a single unitary housing or the elongated housing can be formed from two or more separable bodies. For example, an aerosol delivery device may comprise an elongated housing or body that may have a substantially tubular shape and, as such, resemble the shape of a conventional cigarette or cigar. In one example, all components of the aerosol delivery device are contained within a housing. Alternatively, an aerosol delivery device may comprise two or more housings that are joined and are separable. For example, an aerosol delivery device may have at one end a control body comprising a housing containing one or more reusable components, for example, an accumulator such as a rechargeable battery and / or rechargeable supercapacitor, and several electronics to control the operation of that article), and at the other end and removably attachable to it, an external body or enclosure containing a disposable portion (for example, a
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18/59 cartridge containing disposable aroma). More specific component formats, configurations and arrangements within the type of single housing unit or within a type of separable housing unit from multiple parts will be evident in the light of the additional description provided here. In addition, various designs of aerosol delivery devices and component arrangements can be appreciated after consideration of commercially available electronic aerosol delivery devices.
[0050] Aerosol delivery devices of the present description more preferably comprise some combination of an energy source (i.e., an electrical energy source), at least one control component (for example, means to drive, control, regulate and interrupting heat generation, such as controlling the flow of electrical current from the energy source to other components of the article - for example, a microprocessor, individually or as part of a microcontroller), a heater or heat generator (for example, a electric resistance heating element or other component, alone or in combination with one or more additional elements may be commonly referred to as an atomizer), an aerosol precursor composition (for example, usually a liquid capable of producing an aerosol after application of sufficient heat, as ingredients commonly referred to as smoke juice, e-liquid and e-juice), and an extraction region or tip mouth to allow suction of the aerosol device for aerosol inhalation (for example, an airflow path defined through the article in such a way that the aerosol
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Generated 19/59 can be removed from it after sucking).
[0051] The alignment of the components within the aerosol delivery device of the present disclosure may vary. In specific implementations, the aerosol precursor composition can be located near one end of the aerosol delivery device that can be configured to be positioned close to a user's mouth, in order to maximize aerosol delivery to the user. Other settings, however, are not deleted. Generally, the heating element can be positioned close enough to the aerosol precursor composition so that the heat from the heating element can volatilize the aerosol precursor (as well as one or more flavorings, medicaments or the like that can also be supplied for delivery to a user) and form an aerosol for delivery to the user. When the heating element heats the aerosol precursor composition, an aerosol is formed, released or generated in a physical form suitable for inhalation by a consumer. It should be noted that the previous terms are intended to be interchangeable, so that the reference to release, release, release or released includes form or generate, form or generate, form or generate, and formed or generated. Specifically, an inhalable substance is released in the form of a vapor or aerosol or a mixture thereof, where such terms are also used interchangeably herein, unless otherwise specified.
[0052] As noted above, the aerosol delivery device can incorporate a battery or other source of electrical energy to provide sufficient current flow
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20/59 to provide various features to the aerosol delivery device, such as powering a heater, powering control systems, powering indicators and the like. The power source can take on several implementations. Preferably, the energy source is capable of providing sufficient energy to rapidly heat the heating element to provide aerosol formation and to feed the aerosol delivery device through use for a desired period of time. The energy source is preferably sized to fit conveniently within the aerosol delivery device so that the aerosol delivery device can be easily handled. In addition, a preferred energy source is light enough to not detract from a desirable smoking experience.
[0053] More specific formats, configurations and arrangements of components within the aerosol delivery device of the present disclosure will be evident in light of the additional disclosure provided below. In addition, the selection of various components of the aerosol delivery device can be appreciated after considering the commercially available electronic aerosol delivery devices. In addition, the arrangement of components within the aerosol delivery device can also be appreciated after consideration of commercially available electronic aerosol delivery devices.
[0054] As described below, the present disclosure relates to aerosol delivery devices.
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Aerosol delivery devices can be configured to heat a precursor composition to
aerosol for produce a aerosol. In some implementations, the devices Of delivery in aerosol can understand devices to heat without burn,
configured to heat a solid aerosol precursor composition (an extruded tobacco bar) or a semi-solid aerosol precursor composition (e.g., a tobacco paste loaded with glycerin). In another implementation, aerosol delivery devices can be configured to heat and produce an aerosol from a fluid aerosol precursor composition (for example, a liquid aerosol precursor composition). Such aerosol delivery devices can include so-called electronic cigarettes.
[0055] Regardless of the type of heated aerosol precursor composition, aerosol delivery devices may include a heating element configured to heat the aerosol precursor composition. In some implementations, the heating element may comprise a resistive heating element. Resistive heating elements can be configured to produce heat when an electrical current is directed through them. Such heating elements often comprise a metallic material and are configured to produce heat as a result of the electrical resistance associated with the passage of an electric current through it. Such resistive heating elements can be positioned in the vicinity of the aerosol precursor composition. For example, in some
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22/59 implementations, the resistive heating elements may comprise one or more coils of a wire wrapped around a liquid transport element (for example, a wick, which may comprise a porous ceramic, carbon, cellulose acetate, terephthalate polyethylene, fiberglass or porous sintered glass) configured to suck an aerosol precursor composition through it. Alternatively, the heating element can be positioned in contact with a solid or semi-solid aerosol precursor composition. Such configurations can heat the aerosol precursor composition to produce an aerosol.
[0056] In some implementations, aerosol delivery devices may include a control body and a cartridge. The control body can be reusable, while the cartridge can be configured for a limited number of uses and / or configured to be disposable. The cartridge may include the aerosol precursor composition. In order to heat the aerosol precursor composition, the heating element can also be positioned in the cartridge. The control body can include a power source, which can be refillable or replaceable, and thus the control body can be reused with multiple cartridges.
[0057] Although the aerosol delivery devices described above can be used to heat an aerosol precursor composition to produce aerosol, such configurations may suffer from one or more disadvantages. In this regard, resistive heating elements may comprise a wire that defines one or more
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23/59 coils that contact the aerosol precursor composition. For example, as noted above, the coils may involve a liquid transport element (e.g., a wick) to heat and aerosolize an aerosol precursor composition directed to the heating element through the liquid transport element. However, as a result of the coils defining a relatively small surface area, part of the aerosol precursor composition can be heated to an unnecessarily high level during aerosolization, thereby wasting energy. Alternatively or additionally, part of the aerosol precursor composition that is not in contact with the heating element coils can be heated to an extent insufficient for aerosolization. Thus, insufficient aerosolization may occur, or aerosolization with wasted energy may occur.
[0058] In addition, as mentioned above, resistive heating elements produce heat when electrical current is directed through them. Consequently, as a result of positioning the heating element in contact with the aerosol precursor composition, carbonization of the aerosol precursor composition can occur. Such carbonization can occur as a result of the heat produced by the heating element and / or as a result of the passage of electricity through the aerosol precursor composition in the heating element. Carbonization can result in the accumulation of material in the heating element. This accumulation of material can negatively affect the taste of the
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24/59 aerosol produced from the aerosol precursor composition.
[0059] As described above, aerosol delivery devices can comprise a control body including a power source and a cartridge comprising a resistive heating element and an aerosol precursor composition. In order to direct the electrical current to the resistive heating element, the control body and the cartridge may include electrical connectors configured to engage each other when the cartridge is engaged with the control body. However, the use of such electrical connectors can further complicate and increase the cost of such aerosol delivery devices. Additionally, in implementations of aerosol delivery devices including a fluid aerosol precursor composition, leakage may occur at the terminals or other connectors within the cartridge.
[0060] Thus, implementations of the present disclosure are directed to aerosol delivery devices that can avoid some or all of the problems mentioned above. In this regard, Figure 1 illustrates an aerosol delivery device 100 according to an example implementation of the present disclosure. The aerosol delivery device can include a cartridge 102 and a control body 104. The cartridge and the control body can be permanently or prominently aligned in a functional relationship. In this regard, Figure 1 illustrates the aerosol delivery device in a coupled configuration, while Figure 2 illustrates the aerosol delivery device in an uncoupled configuration. Various mechanisms can connect
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25/59 the cartridge to the control body to result in a threaded engagement, pressure engagement engagement, interference engagement, magnetic engagement or the like. The aerosol delivery device can be substantially rod-shaped, substantially tubular, or substantially cylindrical in some implementations when the cartridge and the control body are in an assembled configuration.
[0061] In specific implementations, one or both of the cartridge 102 and the control body 104 can be referred to as being disposable or reusable. For example, the control body can have a replaceable battery or a rechargeable battery, solid-state battery, thin-film solid-state battery, rechargeable supercapacitor or the like, and thus can be combined with any type of charging technology, including connection to a wall charger, connection to a car charger (ie, a cigarette lighter receptacle), and connection to a computer, such as via a universal serial bus (USB) cable or connector (for example, USB 2.0, 3.0, 3.1, USB Type-C), connection to a photovoltaic cell (sometimes referred to as a solar cell) or solar cell solar panel, or wireless radio frequency (RF) based charger. In addition, in some implementations, cartridge 102 may comprise a single-use cartridge, as disclosed in U.S. Patent No. 8910639 to Chang et al. , which is incorporated herein by reference in its entirety.
[0062] Figure 3 illustrates an exploded view of the control body 104 of the aerosol delivery device.
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100 according to an example implementation of the present disclosure. As illustrated, the control body may comprise a transmitter coupling device 302, an outer body 304, a flow sensor 306 (for example, a blow sensor or pressure switch), a control component 308 (for example, a microprocessor, individually or as part of a microcontroller), a spacer 310, a power source 312 (for example, a battery, which can be rechargeable and / or a rechargeable supercapacitor), a circuit board with an indicator 314 (for example, a light emitting diode (LED), a connector circuit 316 and an end cap 318. Examples of power sources are described in U.S. Patent No. 9,484,155 to Peckerar et al. and U.S. Patent Application Serial No. 14 / 918,926 to Sur et al., filed on October 21, 2015, whose
disclosures are incorporated here by reference in your respective[0063] wholes.Regarding the sensor flow 306, the components current regulation representative and
other current control components including various microcontrollers, sensors and switches for aerosol delivery devices are described in U.S. Patent No. 4,735,217 to Gerth et al., U.S. Patent No. 4,922,901, 4,947,874 and 4,947 .875, all granted to Brooks et al., U.S. Patent No. 5,372,148 to McCafferty et al., U.S. Patent No. 6,040,560 to Fleischhauer et al., U.S. Patent No. 7,040,314 to Nguyen et there. and U.S. Patent No. 8,205,622 to Pan, all of which are incorporated herein by reference in their
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27/59 totality. Reference is also made to the control schemes described in U.S. Patent No. 9,423,152 to Ampolini et al. , which is incorporated herein by reference in its entirety.
[0064] In an implementation, indicator 314 may comprise one or more light-emitting diodes, dot-based quantum light-emitting diodes or the like. The indicator can be in communication with the control component 308 through the connector circuit 316 and be illuminated, for example, when a user sucks a cartridge (for example, cartridge 102 of Figure 2) coupled to the control body 104, as detected by the flow sensor 306. The end cap 318 can be adapted to make the illumination provided by the indicator visible. Therefore, the indicator can be illuminated when using the aerosol delivery device 100 to simulate the lit end of a smoking article. However, in other implementations, the indicator can be supplied in varying numbers and can take different forms and can even be an opening in the external body (as for the release of sound when such indicators are present).
[0065] Still others components can to be used on the device delivery of aerosol gives gift disclosure. For example, Patent from the USA At the. 5,154,192 by Sprinkel et al. discloses indicators for
smoking articles; U.S. Patent No. 5,261,424 to Sprinkel,
Jr. discloses piezoelectric sensors that can be attached to the mouth end of a device to detect user lip activity associated with taking a
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28/59 sucked and then start heating a heating device; U.S. Patent No. 5,372,148 to McCafferty et al. discloses a blow sensor to control the flow of energy to a heating load matrix in response to pressure drop through a nozzle; U.S. Patent No. 5,967,148 to Harris et al. discloses receptacles in a smoke device that include an identifier that detects a non-uniformity in the infrared transmissivity of an inserted component and a controller that performs a detection routine when the component is inserted into the receptacle; U.S. Patent No. 6,040,560 to Fleischhauer et al. describes an executable energy cycle defined with multiple differential phases; U.S. Patent No. 5,934,289 to Watkins et al. discloses photonic-optronic components; U.S. Patent No. 5,954,979 to Counts et al. discloses means for altering suction resistance through a smoking device; U.S. Patent No. 6,803,545 to Blake et al. discloses specific battery configurations for use in smoking devices; U.S. Patent No. 7,293,565 to Griffen et al. discloses various charging systems for use with smoking devices; U.S. Patent No. 8,402,976 to Fernando et al. discloses computer interface means for smoking devices to facilitate charging and allow computer control of the device; U.S. Patent No. 8,689,804 to Fernando et al. discloses identification systems for smoking devices; and PCT Patent Application Publication No. WO 2010/003480 to Flick discloses a fluid flow detection system indicative of an inhalation in an aerosol generating system; every
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29/59 previous disclosures are hereby incorporated by reference in their entirety.
[0066] Other examples of components relating to electronic aerosol delivery articles and disclosing materials or components that can be used in this article include U.S. Patent No. 4,735,217 to Gerth et al. ; U.S. Patent No. 5,249,586 to Morgan et al. ; U.S. Patent No. 5,666,977 to Higgins and others; U.S. Patent No. 6,053,176 to Adams et al .; US Patent 6,164,287 to White; US Patent 6,196,218 to Voges; U.S. Patent No. 6,810,883 to Felter et al .; U.S. Patent No. 6,854,461 to Nichols; US Patent No. 7,832,410 to Hon; U.S. Patent No. 7,513,253 to Kobayashi; U.S. Patent No. 7,896,006 to Hamano; U.S. Patent No. 6,772,756 to Shayan; U.S. Patent No. 8,156,944 and 8,375,957 to Hon; U.S. Patent No. 8,794,231 to Thorens and others; U.S. Patent No. 8,851,083 to Oglesby et al. ; U.S. Patent No. 8,915,254 and 8,925,555 to Monsees et al. ; U.S. Patent No. 9,220,302 to DePiano et al. ; US Patent Application Publication No. 2006/0196518 and Hon 2009/0188490; US Patent Application Publication No. 2010/0024834 by Oglesby et al .; U.S. Patent Application Publication No. 2010/0307518 to Wang; PCT Patent Application Publication No. WO 2010/091593 to Hon; and PCT Patent Application Publication No. WO 2013/089551 to Foo, each of which is incorporated herein by reference in its entirety. In addition, U.S. Patent Application No. Ser. 14 / 881,392 to Worm et al. , deposited on October 13, 2015, discloses capsules that can be included in aerosol delivery devices and configurations in
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30/59 form of chain for aerosol delivery devices and are incorporated herein by reference in their entirety. A variety of the materials disclosed by the previous documents can be incorporated into the present devices in various implementations, and all prior disclosures are hereby incorporated by reference in their entirety.
[0067] Each of the components of the control body 104 can be at least partially received in the outer body 304. The outer body can extend from an engaging end 304 'to an outer end 304. End cap 318 can be positioned, and engaged, on the outer end of the outer body. In this way, the end cap, which can be translucent or transparent, can be illuminated by indicator 314 in order to simulate the lit end of a smoking article or perform other functions as described above. The opposite engagement end of the outer body can be configured to engage cartridge 102.
[0068] Figure 4 schematically illustrates a partial sectional view through the control body 104 near the engagement end 304 'of the outer body 304. As illustrated, the transmitter coupling device 302 can extend near the engagement end of the outer body . In an implementation, as illustrated in Figures 3 and 4, the transmitter coupling device can define a tubular configuration. As shown in Figure 4, the transmitter coupling device can include a coil holder 402 and a coil 404. The coil holder, which can define a tubular configuration, can be configured to support the coil so that the coil does not
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31/59 contact, and thereby short-circuit the resonant receiver coupling device or other structures. The coil support can comprise a non-conductive material, which can be substantially transparent to the oscillating magnetic field produced by the coil. The coil may be embedded in, or otherwise coupled to, the coil holder. In the illustrated implementation, the coil is engaged with an internal surface of the coil support in order to reduce any losses associated with the transmission of the oscillating magnetic field to the resonant receiver coupling device. However, in other implementations, the coil can be positioned on an external surface of the coil holder or fully embedded in the coil holder. In addition, in some implementations, the coil may comprise an electrical trace printed or otherwise coupled to the coil support, or a wire. In any implementation, the coil can define a helical configuration.
[0069] In an alternative implementation, as illustrated in Figure 5, transmitter coupling device 302 can include coil 404 without coil support 402. In each implementation, the transmitter coupling device can define an internal chamber 406 on which the transmitter coupling device extends.
[0070] As further illustrated in Figures 35, in some implementations, the transmitter coupling device 302 can be coupled to a support member 320. The support member can be configured to engage the transmitter coupling device and support the
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32/59 transmitter coupling device inside the outer body 304. For example, the transmitter coupling device may be embedded in, or otherwise coupled to the support member, such that the transmitter coupling device is fixedly positioned inside the outer body. By way of another example, the transmitter coupling device can be injection molded into the support member.
[0071] Support member 320 can engage an internal surface of outer body 304 to provide alignment of the support member with respect to the outer body. Thus, as a result of the fixed coupling between the support member and the transmitter coupling device 302, a longitudinal axis of the transmitter coupling device can extend substantially parallel to a longitudinal axis of the outer body. Thus, the transmitter coupling device can be positioned out of contact with the external body, in order to prevent the transmission of current from the transmitter coupling device to the external body. However, in some implementations, as shown in Figure 5, an optional insulator 502 can be positioned between the transmitter coupling device 302 and the outer body 304, in order to prevent contact between them. As can be understood, the insulator and the support member can comprise any non-conductive material such as an insulating polymer (for example, plastic or cellulose), glass, rubber and porcelain. Alternatively, the transmitter coupling device may come into contact with the outer body in implementations where the outer body is
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33/59 formed of a non-conductive material, such as plastic, glass, rubber or porcelain.
[0072] As described in detail below, the transmitter coupling device 302 can be configured to receive an electric current from the power source 312 and wirelessly heat the cartridge 102 (see, for example, Figure 2). Thus, as illustrated in Figures 4 and 5, the transmitter coupling device may include electrical connectors 408 configured to supply electrical current to them. For example, electrical connectors can connect the transmitter coupling device to the control component. Thus, the current from the power source can be selectively directed to the transmitter coupling device as controlled by the control component. For example, control component 312 can direct the current from the power source (see, for example, Figure 3) to the transmitter coupling device when a suction in the aerosol delivery device 100 is detected by the flow sensor 306 Electrical connectors can comprise, for example, terminals, wires or any other implementation of connector configured to transmit electrical current through it. In addition, electrical connectors can include a negative electrical connector and a positive electrical connector.
[0073] In some implementations, the power source 312 can comprise a battery and / or a rechargeable supercapacitor, which can supply direct current. As described here elsewhere, the operation of the aerosol delivery device may require the
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34/59 directing alternating current to the transmitter coupling device 302 to produce an oscillating magnetic field in order to induce eddy currents in the resonant receiver coupling device. Therefore, in some implementations, the control component 308 of the control body 104 may include an inverter or an inverter circuit configured to transform the direct current supplied by the power source to the alternating current that is supplied to the transmitter coupling device.
[0074] Figure 6 illustrates an exploded view of a cartridge 600 which in some examples may correspond to cartridge 102 of Figure 1. As illustrated, cartridge 600 may include a resonant receiver coupling device 602, an outer body 604, a container 606, a sealing member 608 and a substrate 610. The outer body 604 can extend between an engaging end 604 'and an outer end 604. Some or all of the remaining components of the cartridge 600 can be positioned at least partially within the outer body 604.
[0075] The cartridge 600 may additionally include a nozzle 612. The nozzle 612 may be an integral part of the outer body 604 or the container 606 or a separate component. The nozzle 612 can be positioned at the outer end 604 'of the outer body 604.
[0076] Figure 7 illustrates a sectional view through the cartridge 600 in an assembled configuration. As illustrated, the container 606 can be received inside the outer body 604. In addition, the sealing member 608 can
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35/59 can be engaged with the container 606 to define an internal compartment 614. As further illustrated in Figure 7, in some implementations, the sealing member 608 can additionally engage the outer body 604.
[0077] In some implementations, the sealing member 608 may comprise an elastic material, such as a rubber or silicone material. In these implementations, the sealing material 608 can compress to form a watertight seal with the container 606 and / or the outer body 604. An adhesive can be used to further improve the seal between the sealing member 608 and the container 606 and / or the outer body 604. In another implementation, the sealing member 608 may comprise an inelastic material, such as a plastic material or a metallic material. In these implementations, the sealing member 608 can be adhered or welded (for example, via ultrasonic welding) to the container 606 and / or to the outer body 604. Therefore, through one or more of these mechanisms, the sealing member 608 can seal substantially the internal compartment 614.
[0078] The resonant receiver coupling device 602 can be engaged with the sealing member 608. In one implementation, the resonant receiver coupling device 602 may be partially embedded in the sealing member 608. For example, the coupling device of resonant receiver 602 can be molded by injection into the sealing member 608 in such a way that a watertight seal and a connection is formed between them. Accordingly, the sealing member 608 can retain the resonant receiver coupling device in a
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36/59 desired position. For example, the resonant receiver coupling device 602 can be positioned such that a longitudinal axis of the resonant receiver coupling device extends substantially coaxially with a longitudinal axis of the outer body 604.
[0079] In addition, substrate 610 can engage sealing member 608. In one implementation, substrate 610 can extend through sealing member 608. In this regard, sealing member 608 can define an opening 616 that extends through of it and through which substrate 610 is received. In this way, the substrate 610 can extend into the inner compartment 614. For example, as illustrated in Figure 7, one end of the substrate 610 can be received in a pouch 618 defined by the container 606. Therefore, the container 606 and the storage member seal 608 can each engage substrate 610 and cooperatively maintain the substrate in a desired position. For example, a longitudinal axis of the substrate 610 can be positioned substantially coaxial with a longitudinal axis of the resonant receiver coupling device 602. Thus, as illustrated, in some implementations, the substrate 610 can be positioned close to, but out of contact with the resonant receiver coupling device 602. By avoiding direct contact between the substrate 610 and the resonant receiver coupling device 602, the induction coil can remain substantially free of accumulation of residues and therefore the cartridge can be optionally refilled with aerosol precursor composition and / or a new substrate or otherwise reused. However, as
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37/59 discussed below, direct contact between the substrate and the resonant receiver coupling device may be preferable in some implementations.
[0080] Substrate 610 may include an aerosol precursor composition. The aerosol precursor composition may comprise one or more of a solid tobacco material, a semi-solid tobacco material and a liquid aerosol precursor composition. For example, solid tobacco materials and semi-solid tobacco materials can be used in implementations of the aerosol delivery device 100 that define so-called cigarettes to heat without burning. Conversely, as an additional example, fluid (e.g. liquid) precursor aerosol compositions can be employed in implementations of the aerosol delivery device that define so-called electronic cigarettes.
[0081] Representative types of liquid aerosol precursor components and formulations are presented and characterized in U.S. Patent No. 7,726,320 to Robinson et al., U.S. Patent No. 9,254002 to Chong et al .; and US Patent Application Publications Nos. 2013/0008457 by Zheng et al .; 2015/0020823 by Lipowicz et al .; and Koller 2015/0020830, as well as for PCT Patent Application Publication No. WO 2014/182736 by Bowen et al .; and U.S. Patent No. 8,881,737 to Collett et al., the descriptions of which are incorporated herein by reference. Other aerosol precursors that can be used include aerosol precursors that were incorporated into the VUSE® product by RJ Reynolds Vapor Company, the BLU product of Imperial Tobacco Group PLC, the MISTIC MENTHOL product
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38/59 from Mistic Ecigs and the VYPE product from CN Creative Ltd. The so-called smoke juices for electronic cigarettes that are available from Johnson Creek Enterprises LLC are also desirable. Effervescent material implementations can be used with the aerosol precursor, and are described, by way of example, in U.S. Patent Application Publication No. 2012/0055494 by Hunt et al., Which is incorporated herein by reference. In addition, the use of effervescent materials is described, for example, in U.S. Patent No. 4,639,368 to Niazi et al .; U.S. Patent No. 5,178,878 to Wehling et al .; U.S. Patent No. 5,223,264 to Wehling et al .; U.S. Patent No. 6,974,590 to Father et al .; U.S. Patent No. 7,381,667 to Bergquist and others; U.S. Patent No. 8,424,541 to Crawford et al; U.S. Patent No. 8,627,828 to Strickland et al .; and U.S. Patent No. 9307787 to Sun et al., as well as U.S. Patent Application Publication No. 2010/0018539 to Brinkley et al .; and PCT Patent Application Publication No. WO 97/06786 by Johnson et al., all of which are incorporated herein by reference.
[0082] Representative types of solid and semi-solid aerosol precursor compositions and formulations are described in U.S. Patent No. 8,424,538 to Thomas et al .; U.S. Patent No. 8,464,726 to Sebastian et al .; US Patent Application Publication No. 2015/0083150 by Conner et al .; U.S. Patent Application Publication No. 2015/0157052 to Aderne et al .; and U.S. Patent Application Serial No. 14/755, 205 to Nordskog et al., filed June 30, 2015, all of which are incorporated herein by reference.
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39/59 [0083] In implementations of cartridge 102, in which the aerosol precursor composition comprises a liquid or other fluid, substrate 610 can be configured to retain the aerosol precursor composition therein and release a vapor from it when heat is applied to it by the resonant receiver coupling device 602 in the manner described below. In some implementations, substrate 610 can retain a sufficient amount of the aerosol precursor composition to last a desired extent. In other implementations, it may be preferable to provide cartridge 102 with increased capacity of the aerosol precursor composition. Examples of materials that can be employed on substrate 610 in implementations where the substrate is configured to contain a fluid aerosol precursor composition include porous ceramic, carbon, cellulose acetate, polyethylene terephthalate, fiberglass and sintered porous glass.
[0084] In this regard, as illustrated by way of example in Figures 6 and 7, in one implementation, the container 606 can comprise a reservoir and the internal compartment 614 can be configured to receive the liquid aerosol precursor composition. In this implementation, substrate 610 can comprise a liquid transport element (e.g., a wick) configured to receive the aerosol precursor composition from the inner compartment 614 and transport the aerosol precursor composition therethrough. Consequently, the aerosol precursor composition can be transported from the internal compartment 614
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40/59 for locations along the longitudinal length of the substrate 610, over which the resonant receiver coupling device 602 extends.
[0085] As can be understood, the implementation of the cartridge 600 illustrated in Figure 7 is provided for example purposes only. In this regard, several alternative implementations of cartridges 102 are provided here by way of another example. Note that, although implementations of cartridge 102 are described here separately, each of the respective components and features thereof can be combined in any way, except as may be otherwise indicated here.
[0086] Figure 8 illustrates another cartridge 800 which in some examples may correspond to cartridge 102 of Figure 1. Cartridge 800 is similar to cartridge 700, but in which the sealing member 708 is positioned close to the outer end 604 of the body outer 604, as opposed to the engaging end 604 '. In this implementation, container 806 can include opening 816 extending through it and sealing member 808 can define pocket 818 so as to support substrate 610 in substantially the same manner as described above. Consequently, the sealing member 608 can be positioned at the engaging end 604 'of the container 606, (see Figure 7), or the sealing member 808 can be positioned at the outer end 604 of the container 806 (see Figure 8).
[0087] In some implementations, the container may be sufficiently sealed such that leakage of the aerosol precursor composition is substantially
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41/59 avoided. However, as illustrated in Figure 8, in some implementations, cartridge 800 may still comprise a reservoir substrate 820. As can be understood, reservoir substrate 820 can be used in any of the cartridges disclosed herein including an internal compartment 614.
[0088] In one implementation, the reservoir substrate 820 may comprise a plurality of layers of non-woven fibers formed substantially in the form of a tube that surrounds all or part of the substrate 610 within the inner compartment 820. In other implementations, the substrate Reservoir 820 may comprise a porous ceramic, carbon, cellulose acetate, polyethylene terephthalate, fiberglass or porous sintered glass. In this way, a liquid aerosol precursor composition can be retained in an expected manner by the reservoir substrate 820. As a result of the contact between the reservoir substrate 820 and the reservoir, the reservoir substrate is in fluid communication with the substrate 610. Thus, the substrate 610 can be configured to transport the liquid aerosol precursor composition from the reservoir substrate 820 in the internal compartment 614 through capillary action or other liquid transport mechanisms to locations along the longitudinal length of the substrate 610 outside the internal compartment .
[0089] As noted above, in some implementations of the cartridge 600, 800, substrate 610 can be positioned close to, but out of contact with, the resonant receiver coupling device 602. Such a configuration
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42/59 can prevent the accumulation of residues in the resonant receiver coupling device due to the lack of direct contact between them. However, in other implementations, substrate 610 may come into contact with the resonant receiver coupling device. In this regard, Figure 9 illustrates yet another cartridge 900 which in some examples may correspond to cartridge 102 of Figure 1, similar to cartridges 600, 800 but in which substrate 910 can contact resonant receiver coupling device 602. The use of this configuration may allow for a relatively larger substrate 910, which may contain a relatively larger amount of the aerosol precursor composition, without necessarily increasing the size of the resonant receiver coupling device 602. In addition, direct contact between the receiver coupling device resonant and the substrate can facilitate the heat transfer from the resonant receiver coupling device to the substrate via convection, which can be significantly more efficient than the radiant heating used in implementations in which there is no direct contact between them. Therefore, it should be understood that each of the implementations of the cartridges disclosed herein may include direct contact between the resonant receptor coupling device and the substrate and / or the aerosol precursor composition. Providing direct contact between the substrate 910 and the resonant receiver coupling device 602 can be employed, for example, in implementations where the aerosol precursor composition comprises a solid tobacco material or a
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43/59 semi-solid tobacco, which may be less likely to cause accumulation of waste in the resonant receptor coupling device than a liquid aerosol precursor composition.
[0090] In implementations of cartridges 600, 800 illustrated in Figures 6-8, substrate 610 extends into the inner compartment 614. However, in other implementations, the cartridge may not define an inner compartment. For example, the cartridge 900 shown in Figure 9 does not include an internal compartment. In this regard, substrate 910 may comprise a sufficient amount of the aerosol precursor composition, such that the use of an internal compartment may not be necessary in some implementations. Thus, for example, the resonant receiver coupling device 602 and substrate 910 can be substantially coextensive, such that their longitudinal ends terminate at substantially the same points. In this regard, the substrate resonant receiver coupling device 602 and / or substrate 910 may be received in a pocket 922 defined by outer body 904 or otherwise engaged (e.g., directly engaged) with the outer body. Thus, in some implementations, the cartridge 900 may define a relatively simple configuration that may not include a container, a sealing member or an internal compartment. Such a configuration can reduce the complexity and / or cost of the 900 cartridge.
[0091] As described above, in some implementations, substrate 910 may not extend to
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44/59 inside an internal compartment and may instead end, for example, in the vicinity of the outer body 904. As additionally described above in relation to Figure 9, in an implementation, the cartridge 900 may not include a container or an internal compartment. However, in another implementation, the cartridge may include the container that defines the inner compartment without the substrate extending into the compartment. This is shown in Figure 10, which illustrates yet another cartridge 1000 that can correspond to the cartridge 104 of Figure 1. As shown, the cartridge 1000 can include the container 1006 that defines the inner compartment 614 without the substrate 1010 extending into the compartment. In this regard, the resonant receiver coupling device 602 and the substrate 1010 can be engaged with the container or the outer body. For example, in Figure 10, the resonant receiver coupling device 602 and the substrate 1010 are each engaged with the container 1006. As an additional example, as described above, the resonant receiver coupling device 602 can be partially embedded in container 1006. In addition, substrate 1010 can engage a pocket 1022 defined by container 1006.
[0092] When setting up the cartridge 1000 such mode that substrate 1010 does not extends inside of compartment internal 614, the compartment can to be used for other purposes that not one reservoir for precursor composition of aerosol. For example, how illustrated in Figure 10, in some implementations , O
cartridge 1000 can include a control component
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45/59 electronic 1024. As described below, the electronic control component 1024 can be used to authenticate cartridge 1000 or used for other purposes.
[0093] As noted above, each of the cartridges 102 of the present disclosure is configured to work in conjunction with the control body 104 to produce an aerosol. By way of example, Figure 11 illustrates the cartridge 600 engaged with the control body 104. As illustrated, when the control body 104 is engaged with the cartridge 600, the transmitter coupling device 302 can at least partially involve, preferably substantially wrap, and more preferably completely wrap around the resonant receiver coupling device 602 (for example, by extending around its circumference). In addition, the transmitter coupling device 302 may extend over at least a portion of the longitudinal length of the resonant receiver coupling device 602, and preferably extend over most of the longitudinal length of the resonant receiver coupling device, and more preferably extending substantially all of the longitudinal length of the resonant receiver coupling device.
Consequently, the resonant receiver coupling device 602 can be positioned inside the inner chamber 406, over which the transmitter coupling device 302 extends. Therefore, when a user pulls suction on the nozzle 612 of the cartridge 600, the pressure sensor 306 can detect the suction. In this way, the control component 308 can direct the current from the source
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46/59 of power 312 (see, for example, Figure 3) for transmitter coupling device 302. Transmitter coupling device 302 can thus produce an oscillating magnetic field. As a result of the resonant receiver coupling device 602 being received in the inner chamber 406, the resonant receiver coupling device can be exposed to the oscillating magnetic field produced by the transmitter coupling device 302.
[0095] In particular, the transmitter coupling device 302 and the resonant receiver coupling device 602 can form an electrical transformer. In some instances, the resonant transformer and associated circuits including the PWM inverter can be configured to operate according to a suitable wireless power transfer standard, such as the Qi interface standard developed by the Wireless Power Consortium (WPC) , the Energy Affairs Alliance (PMA) interface standard developed by PMA, the Rezence interface standard developed by the Wireless Energy Alliance (A4WP) and the like.
[0096] According to example implementations, a change in current in the coupling device of transmitter 302, as directed from power source 312 (see, for example, Figure 3) by control component 308, can produce a alternating electromagnetic field that penetrates the resonant receiver coupling device 602, thereby generating electrical eddy currents within the resonant receiver coupling device. The alternating electromagnetic field can
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47/59 be produced by directing alternating current to transmitter coupling device 302. As noted above, in some implementations, control component 308 may include an inverter or inverter circuit configured to transform direct current supplied by power source 312 to alternating current that is supplied to the transmitter coupling device 302.
[0097] Eddy currents flowing in the material defining the resonant receiver coupling device 602 can heat the resonant receiver coupling device through the Joule effect, in which the amount of heat produced is proportional to the square of the electric current times the resistance resonant receiver coupling device material. In implementations of the resonant receiver coupling device 602 comprising magnetic materials, heat can also be generated by losses from magnetic hysteresis. Several factors contribute to the increase in temperature of the resonant receiver coupling device 602 including, but not limited to, proximity to the transmitter coupling device 302, magnetic field distribution, electrical resistivity of the resonant receiver coupling device material, saturation flux density, skin effects or depth, hysteresis losses, magnetic susceptibility, magnetic permeability and dipole moment of the material.
In this regard, both the resonant receiver coupling device 602 and the transmitter coupling device 302 may comprise an electrically conductive material. For example, the
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48/59 transmitter coupling device 302 and / or ο resonant receiver coupling device 602 may comprise various conductive materials including metals such as copper and aluminum, conductive material alloys (for example, diamagnetic, paramagnetic or ferromagnetic materials) or others materials such as ceramic or glass with one or more conductive materials embedded in it. In another implementation, the resonant receiver coupling device may comprise conductive particles or objects of any of the various sizes received in a reservoir filled with the aerosol precursor composition. In some implementations, the resonant receiver coupling device may be coated with or otherwise include a thermally conductive passivation layer (for example, a thin layer of glass), to avoid direct contact with the aerosol precursor composition. .
[0099] Therefore, the resonant receiver coupling device 602 can be heated. The heat produced by the resonant receiver coupling device 602 can heat the substrate 610 including the aerosol precursor composition, such that an aerosol 1102 is produced. Therefore, the resonant receiver coupling device 602 can comprise an atomizer. By positioning the resonant receiver coupling device 602 around the substrate 610 at a substantially uniform distance from it (for example, by aligning the longitudinal axes of the substrate and the resonant receiver coupling device), the substrate and the precursor composition of aerosol can be
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49/59 substantially uniformly heated.
[00100] Aerosol 1102 may circulate around or through the resonant receiver coupling device 602 and the transmitter coupling device 302. For example, as illustrated, in one implementation, the resonant receiver coupling device 602 may comprise a mesh, a screen, a helix, a braid or other porous structure defining a plurality of openings extending through it. In other implementations, the resonant receiver coupling device may comprise a rod embedded in a substrate or otherwise in contact with an aerosol precursor composition, a plurality of beads or particles embedded in a substrate or otherwise in contact with an precursor aerosol composition, or a sintered structure. In each of these implementations, aerosol 1102 can freely pass through the resonant receiver coupling device 602 and / or the substrate to allow the aerosol to pass through the nozzle to the user.
[00101] Aerosol 1102 can mix with air 1104 entering through inlets 410 (see, for example, Figure 4), which can be defined in control body 104 (for example, in external body 304). Consequently, an intermixed air and aerosol 1106 can be directed to the user. For example, intermixed air and aerosol 1106 can be directed to the user through one or more through holes 626 defined in the outer body 604 of cartridge 600. In some implementations, sealing member 608 may additionally include
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50/59 passage 628 extending through them, which may be aligned with the through holes 626 defined through the outer body 604. However, as can be understood, the flow pattern through the aerosol delivery device 100 may vary from particular configuration described above in any of several ways without departing from the scope of the present disclosure.
[00102] As noted above, in some implementations, cartridge 102 may further comprise a second electronic control component. For example, the
cartridge 1000 illustrated in Figure 10 includes the second component in control 1024. The second component of control 1024 Can be configured to allow
cartridge 1000 authentication. In this regard, in some implementations, the second control component 1024 can be configured to issue a code to the control body 104, than the (first) control component 308 (see, for example, Figure 3) can analyze. Thus, for example, the control component 308 can direct current to the transmitter coupling device 302 only when the cartridge 1000 is verified as authentic. In some implementations, the second control component may include terminals that connect to the control body. More preferably, the second control component 1024 can comprise a radio frequency identification (RFID) chip configured to wirelessly transmit a code or other information to the control body 104. In this way, the aerosol delivery device 100 can be used without requiring electrical connector coupling between the cartridge and the
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51/59 control. In addition, several examples of control components and functions performed in this manner are described in U.S. Patent Application Publication No. 2014/0096782 by Sears et al., Which is incorporated herein by reference in its entirety.
[00103] As indicated above, in some implementations, control component 308 of control body 104 may include an inverter or an inverter circuit configured to transform direct current supplied by power source 312 to alternating current supplied to the coupling device transmitter 302. Figures 12, 13 and 14 illustrate circuits 1200 and other components of the aerosol delivery device 100 in accordance with example implementations of the present disclosure. As shown, the aerosol delivery device includes a substrate 610 configured to carry an aerosol precursor composition, and circuits including a resonant transformer 1202 including a transmitter coupling device 302 and a resonant receiver coupling device 602 that is positioned on the proximity to the substrate. And the control component 308 of the aerosol delivery device includes a pulse width modulation (PWM) inverter 1204 configured to drive the resonant transformer.
[00104] As shown, the PWM inverter 1204 includes a bridge circuit 1206 coupled to the transmitter coupling device 302, and which in some examples is a half bridge composed of a pair of transistors such as metal field effect transistors -oxide-semiconductor
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52/59 (MOSFETs) and a pair of diodes. The PWM inverter also includes a PWM controller 1208 coupled to the bridge circuit. According to some examples, the PWM controller is incorporated as an integrated circuit and configured to send a PWM signal to the bridge circuit configured to drive the transmitter coupling device to generate an oscillating magnetic field and induce alternating voltage in the device of resonant receiver coupling 602 when exposed to the oscillating magnetic field. This alternating voltage causes the resonant receiver coupling device to generate heat and thereby vaporize the components of the aerosol precursor composition. Examples of suitable PWM controllers include Texas Instruments bq500210 and bq500212A controllers, STMicroelectronics STWBC series controllers and the like.
[00105] As also shown, in some examples, the aerosol delivery device 100 further includes a 312 power source, such as a rechargeable supercapacitor, rechargeable solid state battery or rechargeable lithium ion battery, configured to power the inverter. PWM 1204. In some additional examples, the aerosol delivery device further includes a 1210 constant voltage regulator between the power source and the PWM inverter, and configured to maintain a constant voltage level in the PWM inverter. Examples of suitable voltage regulators include switching regulators, linear regulators such as low drop (LDO) regulators and the like.
[00106] Figure 13 illustrates an energy source
Petition 870190044749, of 05/13/2019, p. 58/112
53/59
1300 which can correspond to the power source 312 in some examples. As shown, in some examples, the power source includes a rechargeable supercapacitor 1302 configured to power the PWM inverter 1204. In some additional examples, the power source also includes terminals 1304 connectable with a power source 1306 from which the rechargeable supercapacitor is chargeable. As indicated above, for example, the control body 104 can be combined with any type of charging technology (for example, wall charger, car charger, computer, photovoltaic cell, solar cell solar panel, wireless charger based on RF). And in yet other examples, the power source also includes the power source, and the power source is either a rechargeable solid-state battery or a rechargeable lithium-ion battery.
[00107] Returning to Figure 12, in some examples, the aerosol delivery device 100 can further protect against the temperature of the resonant receiver coupling device 602 reaching or exceeding a threshold temperature. In some of these examples, control component 308 includes a microprocessor 1212 configured to receive a measurement of an alternating current induced in the resonant receiver coupling device 602, such as from a Hall effect current sensor 1214 positioned in close proximity to the resonant receiver coupling device 602. This Hall effect current sensor can be part of cartridge 102, or in some examples, control body 104. The microprocessor can then control the operation of
Petition 870190044749, of 05/13/2019, p. 59/112
54/59 at least one functional element of the aerosol delivery device in response to the measurement, such as reducing the temperature of the resonant receiver coupling device 602 in cases where the measurement indicates a temperature equal to or greater than a threshold temperature. One way to reduce the temperature could be to include more air vents in the aerosol delivery device, it could be control to vent the air out of the aerosol delivery device 100. Some examples of a suitable aerosol delivery device equipped with a Hall-effect current sensors are described in U.S. Patent Application No. Ser. 14 / 993,762 of Sur, filed on January 12, 2016, which is incorporated herein by reference in its entirety.
[00108] As shown in Figure 14, in some examples, the aerosol delivery device further includes a high-pass filter 1402, and a non-inverting amplifier circuit 1404 coupled to the high-pass filter. In these examples, the high-pass filter is coupled to the resonant receiver coupling device 602 and configured to filter any direct voltage component of the alternating voltage induced in the resonant receiver coupling device. The non-inverting amplifier circuit is then configured to amplify the filtered alternating voltage.
[00109] As described above, the present disclosure relates to an aerosol delivery device including a control body comprising a wireless energy transmitter configured to receive an electric current from an energy source and heat it up.
Petition 870190044749, of 05/13/2019, p. 60/112
55/59 wireless way an atomizer. As can be understood, various wireless heating techniques can be employed to heat an aerosol precursor composition, which can be contained in a reservoir and / or in contact with a substrate. In some implementations, the atomizer can be heated wirelessly without transmitting electrical current to the atomizer.
[00110] In the implementations described above, the wireless power transmitter may comprise a transmitter coupling device, and the atomizer may comprise a resonant receiver coupling device. In this way, eddy currents can be induced in the resonant receiver coupling device in order to produce heat. As noted above, the transmitter coupling device can be configured to involve at least partially the resonant receiver coupling device. As an additional example, in other implementations, the atomizer can be heated wirelessly using radiant heating, sonic heating, heating
photonic (for example, across a laser) and / or heating of microwave • [00111] Meantime, various other techniques and
mechanisms can be used in other implementations to wirelessly heat an atomizer. For example, electric current can be transmitted wirelessly to an atomizer, and such wireless energy transmission techniques can be employed with any atomizer implementation, such as resistive wire coil heating elements. Sample implementations of methods and
Petition 870190044749, of 05/13/2019, p. 61/112
56/59 wireless power transmission mechanisms are provided in U.S. Patent Application Serial No. 14 / 814,866, granted to Sebastian et al., On July 31, 2015, which is incorporated herein by reference in its entirety.
[00112] Note that although the present disclosure generally describes heating a substrate comprising an aerosol precursor composition positioned in the vicinity of the resonant receptor coupling device to produce an aerosol, in other implementations, the resonant receptor coupling device can be configured to heating an aerosol precursor composition directed (e.g., dispensed) to it. For example, U.S. Patent Application Publications Nos. 2015/0117842; 2015/0114409; and 2015/0117841, each by Brammer et al. , describe mechanisms and methods of delivering fluid aerosol precursor composition, which are incorporated herein by reference in their entirety. Such mechanisms and methods of delivering a fluid aerosol precursor composition can be employed to direct an aerosol precursor composition from a reservoir to the resonant receptor coupling device to produce an aerosol. In a further implementation, the resonant receptor coupling device may comprise a hollow needle connected to a reservoir, in which capillary action directs the aerosol precursor composition into the needle to replenish the needle as the aerosol precursor composition vaporized by the needle. Also note that, as examples of shapes and configurations of the resonant receiver coupling device and the
Petition 870190044749, of 05/13/2019, p. 62/112
57/59 transmitter coupling device are described herein, various other configurations and shapes can be employed.
[00113] Figure 15 illustrates several operations in a 1500 method for assembling an aerosol delivery device, according to some example implementations. As illustrated in Figure 15, the method may include providing a substrate comprising an aerosol precursor composition in operation 1502. The method may further include providing a resonant receptor coupling device in operation 1504. Additionally, the method may include positioning the substrate in proximity to the resonant receiver coupling device in operation 1506. The resonant receiver coupling device can be configured to be exposed to an oscillating magnetic field to heat the aerosol precursor composition to produce an aerosol.
[00114] In some implementations, the positioning of the substrate in the vicinity of the resonant receiver coupling device in operation 1506 may comprise the positioning of the substrate in direct contact with the resonant receiver coupling device. In addition, positioning the substrate in the vicinity of the resonant receiver coupling device in operation 1506 may include positioning the substrate within the resonant receiver coupling device. The method may additionally include filling the substrate with the aerosol precursor composition. The aerosol precursor composition may comprise a liquid aerosol precursor composition.
Petition 870190044749, of 05/13/2019, p. 63/112
58/59 [00115] The method may additionally include providing a transmitter coupling device and positioning the transmitter coupling device such that the transmitter coupling device at least partially surrounds the resonant receiver coupling device. The placement of the transmitter coupling device may include the placement of the transmitter coupling device outside of direct contact with the resonant receiver coupling device.
[00116] The method may additionally include forming a cartridge comprising the substrate and the resonant receiver coupling device. In addition, the method may include forming a control body comprising the transmitter coupling device. The positioning of the transmitter coupling device such that the transmitter coupling device at least partially surrounds the resonant receiver coupling device may include coupling the cartridge to the control body. In addition, the formation of the control body may include the coupling of a power source to the transmitter coupling device.
[00117] Figure 16 illustrates several operations in a 1600 method for aerosolization, according to some example implementations. As illustrated in Figure 16, the method may include providing a cartridge in operation 1602. The cartridge may include an aerosol precursor composition and an atomizer. The method can additionally include providing a control body in operation 1604. The control body can include a power source and a
Petition 870190044749, of 05/13/2019, p. 64/112
59/59 wireless power transmitter. The method may further include directing the current from the power source to the wireless energy transmitter in operation 1606. Additionally, the method may include wireless heating
of atomizer how transmitter energy without wire for heat the composition precursor to aerosol for to produce one aerosol in[00118] operation 1608.Many modifications and others implementations
of the revelation will come to the mind of an expert in the technique to which this revelation belongs, having the benefit of the teachings presented in the previous descriptions and in the associated drawings. Therefore, it should be understood that the disclosure should not be limited to the specific implementations disclosed herein and that the modifications and other implementations are intended to be included within the scope of the appended claims. Although specific terms are used here, they are used in a generic and descriptive sense only and not for the purpose of limitation.

权利要求:
Claims (5)
[1]
1. Aerosol delivery device CHARACTERIZED by the fact that it comprises:
a substrate configured to carry an aerosol precursor composition;
a resonant transformer including a transmitter coupling device and a resonant receiver coupling device that is positioned in close proximity to the substrate; and a pulse width modulation inverter configured to drive the resonant transformer, the pulse width modulation inverter comprising:
a bridge circuit coupled to the transmitter coupling device, wherein the bridge circuit is a half bridge including a pair of transistors and a pair of diodes; and a pulse width modulation controller incorporated as an integrated circuit and configured to send a pulse width modulation signal to the bridge circuit configured to drive the transmitter coupling device to generate an oscillating magnetic field and induce alternating voltage in the resonant receiver coupling device when exposed to the oscillating magnetic field, the alternating voltage causing the resonant receiver coupling device to generate heat and thereby vaporize components of the aerosol precursor composition.
[2]
2. Aerosol delivery device, according to claim 1, CHARACTERIZED by the fact that
Petition 870190044749, of 05/13/2019, p. 84/112
2/5 also includes a power source including a rechargeable supercapacitor, rechargeable solid-state battery or rechargeable lithium-ion battery, and
configured for feed the inverter modulation in pulse width.3. Device of application aerosol, according with the claim 2, CHARACTERIZED BY fact of what
it also comprises a constant voltage regulator between the power source and the pulse width modulation inverter, and configured to maintain a constant voltage level in the pulse width modulation inverter.
4. Aerosol dispensing device according to claim 1, CHARACTERIZED by the fact that it also comprises a power source including a rechargeable supercapacitor, and configured to power the pulse width modulation inverter.
5. Aerosol dispensing device according to claim 4, CHARACTERIZED by the fact that the power source also includes terminals that can be connected to a power source from which the rechargeable supercapacitor is chargeable.
6. Aerosol dispensing device according to claim 5, CHARACTERIZED by the fact that the energy source further comprises the energy source, and the energy source is or includes a rechargeable solid-state battery or an ion battery rechargeable lithium battery.
7. Aerosol application device, according to claim 1, CHARACTERIZED by the fact that it also comprises:
a Hall effect current sensor positioned on the
Petition 870190044749, of 05/13/2019, p. 85/112
[3]
3/5 proximity to the resonant receiver coupling device and configured to produce a measurement of an alternating current induced therein; and a microprocessor configured to receive the measurement and control operation of at least one functional element of the aerosol delivery device in response thereto.
8. Aerosol application device, according to claim 1, CHARACTERIZED by the fact that it also comprises:
a high-pass filter coupled to the resonant receiver coupling device, and configured to filter any direct voltage component from the alternating voltage induced in the resonant receiver coupling device; and a non-inverting amplifier circuit coupled to the high-pass filter, and configured to amplify the filtered alternating voltage.
Aerosol delivery device according to claim 1, CHARACTERIZED by the fact that the transmitter coupling device is configured to involve at least partially the resonant receiver coupling device.
An aerosol dispensing device according to claim 9, CHARACTERIZED by the fact that the transmitter coupling device defines a tubular or coiled configuration.
11. Control body coupled or attachable to a cartridge that is equipped with a resonant receiver coupling device that is positioned in close proximity to a substrate configured to transport a composition
Petition 870190044749, of 05/13/2019, p. 86/112
[4]
4/5 aerosol precursor, the control body CHARACTERIZED by the fact that it comprises:
a transmitter coupling device which, with the resonant receiver coupling device, forms a resonant transformer when the control body is coupled to the cartridge; and a pulse width modulation inverter configured to drive the resonant transformer, the pulse width modulation inverter comprising:
a bridge circuit coupled to the transmitter coupling device, wherein the bridge circuit is a half bridge including a pair of transistors and a pair of diodes; and a pulse width modulation controller incorporated as an integrated circuit and configured to send a pulse width modulation signal to the bridge circuit configured to drive the transmitter coupling device to generate an oscillating magnetic field and induce alternating voltage in the resonant receiver coupling device when exposed to the oscillating magnetic field, the alternating voltage causing the resonant receiver coupling device to generate heat and thereby vaporize components of the aerosol precursor composition.
12. Control body, according to claim 11, CHARACTERIZED by the fact that it also comprises a power source including a rechargeable supercapacitor, rechargeable solid-state battery or rechargeable lithium-ion battery, and configured to power the inverter
Petition 870190044749, of 05/13/2019, p. 87/112
[5]
5/5 pulse width modulation.
13. Control body, according to claim 12, CHARACTERIZED by the fact that it also comprises a constant voltage regulator between the power source and the pulse width modulation inverter, and configured to maintain a constant voltage level in the pulse width modulation inverter.
14. Control body, according to claim 11, CHARACTERIZED by the fact that it also comprises a power source including a rechargeable supercapacitor, and configured to power the pulse width modulation inverter.
15. Control body, according to claim
14, CHARACTERIZED by the fact that the power source also includes terminals that can be connected to a power source from which the rechargeable supercapacitor is chargeable.
16. Control body according to claim
15, CHARACTERIZED by the fact that the energy source also comprises the energy source, and the energy source is or includes a rechargeable solid-state battery or a rechargeable lithium-ion battery.
17. Control body according to claim 11, CHARACTERIZED by the fact that the transmitter coupling device is configured to involve at least partially the resonant receiver coupling device.
18. Control body according to claim 17, CHARACTERIZED by the fact that the transmitter coupling device defines a tubular or coiled configuration.

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KR20190077566A|2019-07-03|

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法律状态:
2021-10-05| B350| Update of information on the portal [chapter 15.35 patent gazette]|

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2022-02-01| B06W| Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]|

优先权:

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申请号 | 申请日 | 专利标题

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US15/352,153|US10524508B2|2016-11-15|2016-11-15|Induction-based aerosol delivery device|

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PCT/IB2017/057142|WO2018092040A1|2016-11-15|2017-11-15|Induction-based aerosol delivery device|

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