aerosol delivery device and a related method

专利摘要:
the present disclosure relates to an aerosol delivery device and a related method. the aerosol delivery device includes a heating chamber having an aerosol precursor composition disposed thereon. a microwave radiation emission device is operatively engaged with the heating chamber and is configured to heat the aerosol precursor composition therein with microwave radiation to form an aerosol from the aerosol precursor composition. an outlet port is formed in an aerosol delivery device housing and is in fluid communication with the heating chamber. the heating chamber is responsive to suction applied to the outlet port so that the aerosol is pulled through the outlet port out of the housing.
公开号:BR112019019846A2
申请号:R112019019846
申请日:2018-03-21
公开日:2020-04-22
发明作者:M Sparkling Eric；V Taluskie Karen；A Hubbard Sawyer；benson sears Stephen
申请人:Rai Strategic Holdings Inc；
IPC主号:

专利说明:

AEROSOL DELIVERY DEVICE AND A RELATED METHOD OF DISSEMINATION [001] The present disclosure relates to aerosol delivery devices and, more particularly, to a microwave radiation heating element configured to heat a precursor composition of aerosol, manufactured or derived from tobacco or otherwise incorporating tobacco-related material, to form an inhalable substance for human consumption.
FUNDAMENTALS [002] Smoking 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 were designed to provide the sensations associated with smoking cigarettes, cigars or pipes, but without providing considerable amounts of incomplete products of combustion and pyrolysis resulting from the burning of tobacco.
[003] For this purpose, 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 to a significant degree. See, for example, the various smoking articles, aerosol delivery devices and alternative heat generating sources presented in the background of the technique described in U.S. Patent 8,881,737 to Collett et al. and 7,726,320 by Robinson et al., U.S. Patent Application Publication 2013/0255702 by Griffith, Jr. et al .; 2014/0000638 by Sebastian et al .; and 2014/0096781 by Sears et al., which are incorporated herein
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2/46 by reference.
[004] Of those tobacco products, flavor generators and medical inhalers that use electrical energy to produce heat to form smoke or aerosol, a wick and coil arrangement is often used in conjunction with an electrical power source, such as a battery . More particularly, in this arrangement, the coil is in direct contact with the wick and acts as a heating element. The coil is configured to conduct electric current from the battery and heat, by direct contact, a limited amount of precursor aerosol composition absorbed by the wick. However, a wick and coil arrangement can cause thermal degradation of the aerosol precursor composition, since direct heating can result in uneven heating of the aerosol precursor composition.
[005] It is therefore desirable to provide an aerosol delivery device that employs heat produced by an external energy source to heat an aerosol precursor composition to provide the sensations of smoking a cigarette, cigar or pipe, which preferably do so without direct contact with or thermal degradation of the aerosol precursor composition, in order to prolong the life of the device and provide a more consistent aerosol.
BRIEF SUMMARY OF THE DISCLOSURE [006] This disclosure relates to aerosol delivery devices configured to produce aerosol for human consumption. In one aspect, an aerosol delivery device comprises a heating chamber having an aerosol precursor composition disposed therein, a microwave radiation emission device
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3/46 operatively engaged with the heating chamber, and configured to heat the aerosol precursor composition therein with microwave radiation, to form an aerosol from the aerosol precursor composition, and a housing having an exit port and being in fluid communication with the heating chamber, the heating chamber being responsive to suction applied to the outlet port so that the aerosol is pulled through the outlet port out of the housing.
[007] In another aspect, a method of manufacturing an aerosol delivery device comprises operatively engaging a microwave radiation emission device with a heating chamber configured to receive an aerosol precursor composition thereon, the emission of microwave radiation being configured to heat the aerosol precursor composition with microwave radiation emitted in this way to form an aerosol from the aerosol precursor composition, and to engage the heating chamber with a housing having a outlet, so that the outlet port is in fluid communication with the heating chamber, and so that the heating chamber is responsive to suction applied to the outlet port for the aerosol to be pulled through the outlet port out of the accommodation.
[008] This disclosure includes, without limitation, the following modalities:
[009] Mode 1: An aerosol delivery device, comprising: a heating chamber having an aerosol precursor composition arranged therein; a microwave radiation emission device
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4/46 operatively engaged with the heating chamber and configured to heat the aerosol precursor composition therein with microwave radiation, to form an aerosol from the aerosol precursor composition; and a housing having an outlet port and being in fluid communication with the heating chamber, the heating chamber being responsive to suction applied to the outlet port so that the aerosol is pulled through the outlet port out of the housing.
[0010] Mode 2: The aerosol delivery device of any previous mode, or any combination of the previous modes, further comprising an aerosol precursor delivery arrangement operatively coupled with the heating chamber and configured to direct the aerosol precursor composition to the heating chamber from a reservoir configured to contain the aerosol precursor composition in it and in fluid communication with the aerosol precursor delivery arrangement.
[0011] Mode 3: The aerosol delivery device of any previous mode, or any combination of previous modes, in which the microwave radiation emission device comprises a magnetron extending around the heating chamber and configured to emit microwave radiation.
[0012] Mode 4: The aerosol delivery device of any previous mode, or any combination of previous modes, in which the magnetron is arranged inside a housing configured to substantially surround the heating chamber.
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5/46 [0013] Mode 5: The aerosol delivery device of any previous mode, or any combination of previous modes, comprising two or more reservoirs, in which each reservoir is configured to contain a distinct aerosol precursor composition, in which each of the two or more reservoirs is in fluid communication with the aerosol precursor delivery arrangement and cooperable with it for the aerosol precursor delivery arrangement to direct any of the distinct aerosol precursor compositions from the respective one two or more reservoirs for the heating chamber.
[0014] Mode 6: The aerosol delivery device of any previous mode, or any combination of previous modes, comprising an air flow channel defined within the housing or shell, and configured to allow air flow between the chamber heating and ambient air external to the housing or housing.
[0015] Mode 7: The aerosol delivery device of any previous mode, or any combination of previous modes, in which the outlet port or air flow channel includes an air flow shielding element configured to cooperate with the housing to contain microwave radiation within the housing.
[0016] Mode 8: The aerosol delivery device of any previous mode, or any combination of the previous modes, comprising a hose member having a proximal end engaged with the outlet port and an opposed distal end engaged
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6/46 with a nozzle element, the nozzle element and the hose member being in fluid communication with the heating chamber through the outlet port, in order to receive the aerosol from there in response to the suction applied to the element nozzle.
[0017] Mode 9: The aerosol delivery device of any previous mode, or any combination of previous modes, comprising a controlling element in communication between the microwave radiation emitting device and a sensor element in communication with the composition aerosol precursor within the heating chamber, the sensor element being configured to detect a temperature of the aerosol precursor composition within the heating chamber, the controlling element being responsive to the temperature detected to regulate the microwave radiation output by the emission of microwave radiation to heat up the precursor aerosol composition inside the heating chamber to a maximum desired temperature.
[0018] Mode 10: The aerosol delivery device of any previous mode, or any combination of previous modes, in which the precursor composition of aerosol is selected from the group consisting of a liquid, a gel, a solid, a capsule , a colloid, a suspension, a botanical and a combination thereof.
[0019] Mode 11: The aerosol delivery device of any previous mode, or any combination of previous modes, in which a component of the aerosol precursor composition is configured to
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Ί / ^ prevent ο overheating the aerosol precursor composition.
[0020] Mode 12: The aerosol delivery device of any previous mode, or any combination of previous modes, comprising a wick engaged in the heating chamber, the wick being in communication with the precursor composition of aerosol, in which the device emission of microwave radiation is configured to heat the wick, so that an amount of the aerosol formed in this way is proportional to the amount of the aerosol precursor composition absorbed by the wick.
[0021] Mode 13: The aerosol delivery device of any previous mode, or any combination of previous modes, in which the heating chamber comprises a first heating sub-chamber and a second heating sub-chamber, one of the first and second heating sub-chambers heating having a greater capacity for the precursor aerosol composition than the other, and where the first and second heating sub-chambers are in fluid communication with the outlet port by means of a selector element, the selector element being responsive to the applied suction through the outlet port to direct the aerosol to the outlet port from the selected first and second heating sub-chambers, an amount of the aerosol corresponding to a magnitude of the suction.
[0022] Mode 14: The aerosol delivery device of any previous mode, or any combination of previous modes, comprising an aerosol precursor processing unit in fluid communication with the heating chamber and
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8/46 configured to preheat the aerosol precursor composition to a preheat temperature, the preheat temperature being less than a maximum desired temperature to form the aerosol from the aerosol precursor composition, before the precursor composition aerosol spray is directed to the heating chamber.
[0023] Mode 15: The aerosol delivery device of any previous mode, or any combination of the previous modes, wherein the aerosol precursor processing unit comprises a heating element or an aerosol forming element configured to interact with the aerosol precursor composition.
[0024] Mode 16: The aerosol delivery device of any previous mode, or any combination of the previous modes, comprising an aerosol precursor processing unit in communication with the heating chamber and configured to preheat a substrate material having the aerosol precursor composition associated with a preheat temperature, the preheat temperature being less than a maximum desired temperature to form the aerosol from the aerosol precursor composition, before the preheated substrate material is directed to the heating chamber.
[0025] Mode 17: The aerosol delivery device of any previous mode, or any combination of previous modes, comprising an aerosol precursor processing unit in
Petition 870190095092, of 09/23/2019, p. 14/90 communication with the heating chamber and configured to preheat a membrane composed of the aerosol precursor composition to a preheating temperature, the preheating temperature being less than a maximum desired temperature to form the aerosol from of the aerosol precursor composition, before the preheated membrane is directed to the heating chamber.
[0026] Mode 18: A method of manufacturing an aerosol delivery device, the method comprising: operatively engaging a microwave radiation emission device with a heating chamber configured to receive an aerosol precursor composition thereon, the microwave radiation emitting device being configured to heat the aerosol precursor composition with microwave radiation thus emitted to form an aerosol from the aerosol precursor composition; and engaging the heating chamber with a housing having an outlet port so that the outlet port is in fluid communication with the heating chamber and so that the heating chamber is responsive to suction applied to the outlet port so that the aerosol is pulled through the outlet port from the housing.
[0027] Mode 19: The method of manufacturing an aerosol delivery device of any previous modality, or any combination of previous modalities, further comprising engaging an aerosol precursor delivery arrangement in fluid communication with the heating chamber, the aerosol precursor delivery arrangement being configured to direct the aerosol precursor composition to the heating chamber from a
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10/46 reservoir having the precursor composition of aerosol.
[0028] Mode 20: The method of manufacturing an aerosol delivery device of any previous mode, or any combination of previous modes, in which operatively engaging the microwave radiation emitting device comprises operatively engaging a magnetron with the heating chamber, the magnetron extending around the heating chamber and being configured to emit microwave radiation.
[0029] Mode 21: The method of manufacturing an aerosol delivery device of any previous mode, or any combination of previous modes, further comprising arranging the magnetron within a shell configured to substantially surround the heating chamber.
[0030] Mode 22: The method of manufacturing an aerosol delivery device of any previous mode, or any combination of previous modes, further comprising forming two or more reservoirs within the housing, wherein each reservoir includes an aerosol precursor composition distinct therein, where each of the two or more reservoirs are in fluid communication with the aerosol precursor delivery arrangement and is cooperable with the same for the aerosol precursor delivery arrangement to target any of the aerosol precursor compositions separate from the respective one of the two or more reservoirs for the heating chamber.
[0031] Mode 23: The method of manufacturing an aerosol delivery device of any previous mode, or any combination of previous modes,
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11/46 further comprising defining an airflow channel within the housing or the enclosure, the airflow channel being configured to allow airflow between the heating chamber and the ambient air external to the housing or the enclosure.
[0032] Mode 24: The method of manufacturing an aerosol delivery device of any previous mode, or any combination of previous modes, further comprising arranging an air flow shielding element at the outlet port or in the air flow channel air, the airflow shielding element being configured to cooperate with the housing to contain microwave radiation within the housing.
[0033] Mode 25: The method of manufacturing an aerosol delivery device of any previous mode, or any combination of previous modes, further comprising engaging a proximal end of a hose member with the outlet port and engaging a distal end opposite of the hose member with a nozzle element, the nozzle element and the hose member being in fluid communication with the heating chamber through the outlet port, in order to receive the aerosol from there in response to the applied suction to the nozzle element.
[0034] Mode 26: The method of manufacturing an aerosol delivery device of any previous mode, or any combination of previous modes, further comprising operatively engaging a controlling element between the microwave radiation emitting device and an element sensor in communication with
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12/46 aerosol precursor composition within the heating chamber, the sensor element being configured to detect a temperature of the aerosol precursor composition within the heating chamber, and the controlling element being configured to be responsive to the temperature detected to regulate the output of microwave radiation by the microwave radiation emission device to heat the aerosol precursor composition within the heating chamber to a maximum desired temperature.
[0035] Mode 27: The method of manufacturing an aerosol delivery device of any previous mode, or any combination of previous modes, further comprising selecting the precursor aerosol composition from the group consisting of a liquid, a gel, a solid, a capsule, a colloid, a suspension, a botanical and a combination thereof.
[0036] Mode 28: The method of manufacturing an aerosol delivery device of any previous mode, or any combination of previous modes, in which the selection of the aerosol precursor composition further comprises selecting the aerosol precursor composition, so that a component thereof is configured to prevent the aerosol precursor composition from overheating.
[0037] Mode 29: The method of manufacturing an aerosol delivery device of any previous mode, or any combination of previous modes, also comprising engaging a wick with the heating chamber, so that the wick is in communication with the precursor aerosol composition, in which the
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13/46 microwave radiation emission is configured to heat the wick, so that an amount of the aerosol formed in this way is proportional to the amount of the aerosol precursor composition absorbed by the wick.
[0038] Mode 30: The method of manufacturing an aerosol delivery device of any previous mode, or any combination of previous modes, further comprising defining, in the heating chamber, a first heating sub-chamber and a second heating sub-chamber, one of the first and second heating sub-chambers having a greater capacity for the precursor aerosol composition than the other, and in which the first and second heating sub-chambers are configured to be selectively in fluid communication with the outlet port via an element selector, the selector element being responsive to the suction applied through the outlet port to direct the aerosol to the outlet port of the heating sub-chamber in selective communication with it, an amount of aerosol corresponding to a magnitude of the suction.
[0039] Mode 31: The method of manufacturing an aerosol delivery device of any previous mode, or any combination of previous modes, further comprising engaging an aerosol precursor processing unit in fluid communication with the heating chamber, the aerosol precursor processing unit being configured to preheat the aerosol precursor composition to a preheat temperature, the preheat temperature being less than a maximum desired temperature to form the aerosol
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14/46 from the aerosol precursor composition, before the preheated aerosol precursor composition is directed to the heating chamber.
[0040] Mode 32: The method of manufacturing an aerosol delivery device of any previous mode, or any combination of previous modes, in which engaging the aerosol precursor processing unit comprises arranging a heating element or a heating element. aerosol formation to interact with the aerosol precursor composition before the preheated aerosol precursor composition is directed to the heating chamber.
[0041] Mode 33: The method of manufacturing an aerosol delivery device of any previous mode, or any combination of previous modes, further comprising engaging an aerosol precursor processing unit in fluid communication with the heating chamber, the aerosol precursor processing unit being configured to preheat a substrate material having the aerosol precursor composition associated therewith to a preheat temperature, the preheat temperature being less than a maximum desired temperature to form the aerosol from the aerosol precursor composition, before the preheated substrate material is directed to the heating chamber.
[0042] Modality 34: The method of manufacturing an aerosol delivery device of any previous modality, or any combination of previous modalities, also comprising engaging a process processing unit.
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15/46 aerosol precursor in fluid communication with the heating chamber, the aerosol precursor processing unit being configured to preheat a membrane comprising the aerosol precursor composition to a preheat temperature, the preheat temperature being less than a maximum desired temperature to form the aerosol from the aerosol precursor composition, before the preheated membrane is directed to the heating chamber.
[0043] These and other resources, aspects and advantages of this disclosure will be evident from reading the detailed description below, 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 or recited in any one or more of the claims, regardless of whether those features or elements are expressly combined or otherwise recited in a given description of the modality or claim 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 modalities, are seen as intended as combinable, unless the context of the disclosure clearly indicates otherwise.
BRIEF DESCRIPTION OF THE FIGURES [0044] 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:
[0045] Figure 1 illustrates a side view of a
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Aerosol delivery device including a microwave radiation emission device according to an exemplary embodiment of the present disclosure;
[0046] Figure 2A illustrates a cross sectional view of an aerosol produced in a heating chamber of an aerosol delivery device from microwave radiation generated by a microwave radiation emission device according to with an example of the present disclosure;
[0047] Figure 2B illustrates a cross sectional view of the aerosol produced in two heating chambers of an aerosol delivery device from microwave radiation generated by a microwave radiation emission device according to an exemplary embodiment of the present disclosure;
[0048] Figure 3 illustrates a cross-sectional view of precursor aerosol compositions in two different reservoirs of an aerosol delivery device according to an exemplary embodiment of the present disclosure;
[0049] Figures 4A-C illustrate aerosol precursor processing devices in accordance with exemplary embodiments of the present disclosure; and [0050] Figure 5 illustrates a flow chart of a method of manufacturing an aerosol delivery device according to the exemplary embodiments of the present disclosure.
DETAILED DESCRIPTION OF PREFERRED MODALITIES [0051] The present disclosure will now be described in more detail hereinafter with reference to exemplary modalities thereof. These modalities
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17/46 copies are described so that this disclosure is meticulous and complete, and fully transmits the scope of the disclosure to experts in the art. In fact, disclosure can be incorporated in many different ways and should not be interpreted as limited to the modalities set out here; instead, these modalities are provided so that this disclosure meets applicable legal requirements. As used in the specification and the appended claims, the singular forms one, one, include plural references, unless the context clearly indicates otherwise.
[0052] The present disclosure relates to aerosol delivery devices that use microwave radiation to heat a material (preferably without burning the material to a significant degree) to form an inhalable substance. In some respects, aerosol delivery devices are considered to be table devices, configured similarly in size, shape, etc., as those of a conventional hookah. However, in other respects, aerosol delivery devices are considered portable devices and are sized, modeled, etc., to be easily kept in the hands of consumers.
[0053] In certain preferred embodiments, aerosol delivery devices are characterized as smoking articles. As used here, the term smoking article is intended to mean an article or device that provides some or all of the sensations (for example, inhalation and exhalation rituals, types of tastes or flavors, organoleptic effects, physical sensation, rituals of use, signs
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18/46 visuals such as those provided by the visible aerosol, and the like) of smoking a cigarette, cigar or pipe, without any substantial degree of combustion of any component of that article or device. As used here, the term smoke article does not necessarily mean that, in operation, the article or device produces smoke in the direction of the aerosol resulting from by-products of tobacco combustion or pyrolysis, but rather that the article or device produces vapors (including, for example, example, vapors within aerosols that can be considered visible aerosols that can be considered described as smoke type) resulting from the volatilization or vaporization of certain components of the article or device. In some preferred embodiments, articles or devices characterized as smoking articles incorporate tobacco and / or tobacco-derived components.
[0054] In several respects, the articles or devices of the present disclosure are also characterized as articles of steam production, articles of aerosol delivery or articles of delivery of medicines. Thus, these articles or devices are 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 are substantially in the form of vapor (that is, a substance that is in the gas phase at a temperature lower than its critical point). Alternatively, the inhalable substances are in the form of an aerosol (i.e., a suspension of fine solid particles or droplets of liquid in a gas). For the sake of simplicity, the term aerosol, as
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19/46 used herein, must include vapors, gases and aerosols in a form or type suitable for human inhalation, visible or not, and in a form that can be considered as smoke type.
[0055] In use, the tobacco articles of this disclosure are subject to many of the physical actions employed by an individual in the use of a traditional type of tobacco article (for example, a cigarette, cigar or pipe used for lighting and inhaling tobacco ). For example, the user of a smoking article of the present disclosure manipulates that article as a traditional type of smoking article, sucks on a nozzle element of that article for aerosol inhalation produced by that article, takes off puffs at selected time intervals, etc.
[0056] The smoking articles of the present disclosure comprise some combination of a heat source (i.e., an element emitting microwave radiation), at least one control component (e.g., arrangement to trigger, control, regulating and / or ceasing energy to the heat source to control heat generation, such as controlling microwave radiation emitted from the heat source to other components of the smoke article), an aerosol precursor composition (eg example, usually a liquid capable of producing an aerosol by applying sufficient heat, as ingredients commonly referred to as smoke juice, e-liquid and e-juice), and a nozzle element to allow sucking on the smoke article (from otherwise referred to herein as an aerosol delivery device) for aerosol inhalation (for example, a defined air flow path through the smoke article, so that the generated aerosol can be removed from it after
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Sucked 20/46).
[0057] An exemplary embodiment of an aerosol delivery device 100 is provided in Figure 1. As seen in the illustrated side view, the aerosol delivery device 100 comprises a housing 102 and a housing 104 that are permanently or detachably connected in a working relationship. Housing 104 is configured in size and / or shape to fit around a first portion of housing 102 and substantially surround the first portion of housing 102 therein. In some cases, the first portion is a bottom or base portion of housing 102. For example, housing 104 is shaped to correspond to the outer contours of the first portion of housing 102 and is hinged to open and close. In this way, the first portion of the housing 102 is fitted to the molded contour of the housing 104 when the housing is hinged open and is fixedly retained when the housing is hingedly closed. Other types of coupling or connection between housing 102 and housing 104 are also contemplated.
[0058] In one embodiment, a heating chamber 106 configured to receive an aerosol precursor composition 108 therein defines the first portion of housing 102. In some aspects, housing 104 substantially surrounds or surrounds heating chamber 106. The heating chamber 106 heating 106 is a single heating chamber or, in some embodiments, is divided into other sub-chambers. For example, in an embodiment as shown in Figure 1 and in more detail in Figure 2A, a single heating chamber 106 is provided. In another example, as another modality
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21/46 illustrated in Figure 2B, a first heating sub-chamber 106A and a second heating sub-chamber 106B are provided. In such cases, one of the first and second heating sub-chambers 106A-B is configured as having a greater capacity for the aerosol precursor composition 108 than the other sub-chambers. In the example illustrated in Figure 2B, the second heating sub-chamber 106B has a greater capacity for the aerosol precursor composition 108 than the first heating sub-chamber 106A. In other cases, the first and second heating sub-chambers 106A-B are configured to have a substantially similar capacity for the aerosol precursor composition 108.
[0059] In either case, the heating chamber 106 is operatively engaged with a heat source, such as a microwave radiation emitting device 110. Microwave radiation emitting device 110 comprises, in some respects, a magnetron that generates microwave radiation 112. In some respects, the magnetron is preferably sized to conform to a shape, size, etc. desired from
device in aerosol delivery 100 so that the device be easily manipulated without harming a experience in desirable smoke. In other respects, the device in microwave radiation emission 110
comprises an antenna, coils or the like, configured to generate microwave radiation 112. In such cases, the material to be heated may reside in a different arrangement / orientation in relation to the microwave source. For example, in the case of a coil, the material may reside inside
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22/46 (center) of the coil.
As such, the microwave radiation 112 emitted by the microwave radiation emitting device 110 is configured to penetrate the heating chamber 106 and heat the aerosol precursor composition 108 disposed therein, in order to form an aerosol 114 from it. More particularly, in some respects, microwave radiation 112 induces polar molecules of the aerosol precursor composition 108 to rotate and produce thermal energy. Consequently, the molecules in the aerosol precursor composition are uniformly excited and heated by microwave radiation 112, so that minimal thermal degradation (i.e., no overheated particles) of the aerosol precursor composition 108 occurs after the formation of the aerosol 114, and the resulting aerosol 114 has a more consistent vapor chemistry than that produced by other types of heat sources, such as electrical heating elements (for example, a resistive heating coil).
[0061] In some aspects, the microwave radiation emitting device 110, as well as other aspects of the aerosol delivery device 100, itself, is electrically powered by an energy source. The power source is configured to provide enough power, energy, or current flow to provide various features of the aerosol delivery device 100, such as heating the aerosol precursor composition via the microwave radiation emitting device 110, power of control components or systems, supply of indicators and the like. Preferably,
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The energy source can take various modalities that are capable of supplying sufficient energy to the microwave radiation emitting device 110 to rapidly heat the aerosol precursor composition 108 received in the heating chamber 106 to form the aerosol therefrom. , and feeding other components of the aerosol delivery device 100 through use for the desired period of time. For example, in some cases, the aerosol delivery device 100, including the microwave radiation emitting device 110, is powered by a standard household outlet (e.g. 120 volts AC). In another example, the aerosol delivery device 100 is powered by a battery of sufficient energy density. Therefore, when the aerosol delivery device 100 is connected to a power source, the microwave radiation emitting device 110 is powered and controllable to heat the aerosol precursor composition 108 arranged in the heating chamber 106.
[0062] The housing 102, the housing 104 and / or the heating chamber 106 are configured so that the microwave radiation 112 emitted by the microwave radiation emitting device 110 is contained therein. For example, housing 102, housing 104 and / or heating chamber 106 are similar in materials and design to a Faraday cage to prevent microwave radiation from escaping or leaking. Any exit port or orifice extending across a surface of housing 102, housing 104 and / or heating chamber 106, and in fluid communication with an exterior of housing 102 or
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24/46 housing 104, includes a shielding element 116 for containing microwave radiation 112 within the aerosol delivery device 100. In these respects, housing 102 of the aerosol delivery device 100 defines the outlet port 118, and the outlet port 118 is in fluid communication with the heating chamber 106. As such, a shield element 116 is engaged with the outlet port 118. An air flow channel 120 defined within housing 102 and / or the housing 104 also includes a shield element 116. The shield element 116 comprises at least one layer of a conductive material (for example, an aluminum mesh), although other materials, types and / or configurations of a shield element 116 are contemplated.
[0063] The outlet port 118 is configured to receive suction (i.e., from a consumer) in a nozzle element 122, so that aerosol 114 is pulled through outlet port 118 out of housing 102 in suction response. A hose member 124 is attachable to outlet port 118. As shown in Figure 1, for example, a proximal end of hose member 122 is engaged with outlet port 118 and an opposite distal end is engaged with the nozzle element 122. In this way, the nozzle element 122 and the hose member 124 are in fluid communication with the heating chamber 106 through the outlet port 118, in order to receive the aerosol 114 from it in response to the suction applied to the nozzle element 122. In some respects, there is more than one outlet port 118. For example and as illustrated in Figure 1, there are at least two outlet ports 118. In these cases, a
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25/46 hose 124 with a nozzle element 122 is engaged with each available outlet port 118 of housing 102, so that several consumers can use the aerosol delivery device 100 at once. Otherwise, the unused exit ports are configured to be capped or blocked to prevent the aerosol from escaping from housing 102 through them or otherwise entering and diluting the aerosol in housing 102.
[0064] In some respects, one or more heating sub-chambers 106A-B are configured to be selectively in fluid communication with a respective outlet port 118. For example, a selector element (e.g., a valve, flange) disposed within one or more heating sub-chambers 106A-B is configured to automatically respond to the suction applied through outlet port 118 to direct aerosol 114 through outlet port 118 from a respective heating sub-chamber 106A-B. Figure 2A illustrates such an example, in which the selector element is responsive or opens the second heating sub-chamber 106B in response to the suction applied through a respective outlet port. In Figure 2Ά, for example, as the outlet port through which suction is applied is not engaged with the first heating sub-chamber 106A, the selector element is not responsive or closed, so that no aerosol 114 is directed from it .
[0065] In other examples, the selector element is configured to respond manually to the user's selection. In such cases, a switch, button, lever or any other mechanism is usable to selectively control from which heating sub-chamber 106A-B the aerosol
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26/46
114 is targeted.
[0066] The air flow channel 120 is configured to allow air flow between the heating chamber 106 and the ambient air outside housing 102 and / or housing 104. For example, as illustrated in Figure 1 and more details in Figure 2A, a single heating chamber 106 has an airflow channel 120 that extends from an interior of the heating chamber 106, through an interior of housing 104, and exits to an exterior of housing 102. In another example , as shown in Figure 2B, the two heating chambers 10 6A-B each have an individual airflow channel 120A-B extending from there to the outside of housing 102. However, in other examples (not shown) , the airflow channels 120A-B are configured to extend from a respective heating chamber 106A-B and combine in a channel inside the housing 104, with the single channel extending outside the housing 102. that there is more than one airflow channel 120, there is a shielding element 116A-B associated with each channel.
[0067] Returning to Figure 1, an aerosol precursor delivery arrangement 126 is in operable engagement with the heating chamber 106 and is configured to deliver the aerosol precursor composition 108 to the heating chamber 106 from a reservoir 128 The aerosol precursor delivery arrangement 126 is, in several respects, an internal flow tube, passageway or other mechanism. As shown in Figure 1, for example, the aerosol precursor delivery arrangement 126 is a defined airflow pathway within an interior of the housing
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102 and configured to direct, by gravity, the aerosol precursor composition 108 dispensed from the reservoir 128 through the housing 102 to the heating chamber 106.
[0068] In other respects, the aerosol precursor delivery arrangement 126 is also an aerosol delivery arrangement, so that an aerosol formed by combining the vaporization of the aerosol precursor composition 108 and the ambient air in the heating chamber 106 is delivered to the consumer via the same mechanism that transports the precursor composition of aerosol 108 to the heating chamber 106. In these aspects, the air flow path 126 is configured with an interior volume greater than that of the heating chamber 106, in order to provide a space for the produced aerosol to expand and / or age in it. In other respects, not shown, the airflow passageway 126 is configured as a flow tube engaged between the reservoir 128 and the heating chamber 106, in order to transport the precursor composition of aerosol 108 to the ventilation chamber. heating 106 from reservoir 128, as well as to provide a space for the produced aerosol to expand therein. Other similar mechanisms for delivering the aerosol precursor composition 108 and / or the aerosol produced are also contemplated.
[0069] Reservoir 128 is configured to contain the aerosol precursor composition 108 therein and is configured to be in fluid communication with the aerosol precursor delivery arrangement 126. Figure 1 illustrates a reservoir 128 configured to contain a first composition aerosol precursor 108. However, in some
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As shown in Figure 3, there are two or more 128A-B reservoirs, each 128A-B reservoir being configured to contain a distinct aerosol precursor composition 108A-B, where each of the two or more 128A- B is in fluid communication with the aerosol precursor delivery arrangement 126 and cooperable with it.
[0070] In some respects, for example, each of the two or more 128A-B reservoirs contains different aerosol precursor compositions 108A-B. In such cases, a manual or automatic actuation mechanism (not shown) can be made available to selectively trigger fluid communication between one or more of the 128A-B reservoirs and the aerosol precursor delivery arrangement 126.
[0071] In other respects, for example, each of the two or more 128A-B reservoirs contains the same or substantially similar aerosol precursor composition 108A-B, wherein a first of the two or more 128A reservoirs is a primary reservoir and a second of the two or more reservoirs 128B is a secondary reservoir. In this case, the first or primary reservoir 128A is configured to be in fluid communication with the aerosol precursor delivery arrangement 126, while the second or secondary reservoir 128B is configured to be in fluid communication with the aerosol precursor delivery arrangement. only by depleting the aerosol precursor composition 108A contained within the first reservoir 128A. A manual or automatic actuation mechanism (not shown) is available in these cases, the
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29/46 in order to detect the depletion of the aerosol precursor composition 108A contained in the first reservoir 128A and trigger fluid communication between the second reservoir 128B containing the aerosol precursor composition 108B and the aerosol precursor delivery arrangement 126.
[0072] The aerosol precursor delivery arrangement 126 is thus configured to deliver individually or in combination any of the distinct aerosol precursor compositions 108A-B from the respective one of the two or more reservoirs 128A-B to the heating chamber 106. For example, two different aerosol precursor compositions 108A-B contained in the respective reservoirs 128A-B are delivered simultaneously, but independently, to the respective heating sub-chambers 106A-B. In this case, each reservoir 128A-B is in fluid communication with an aerosol precursor delivery arrangement, heating chamber and individual outlet port. As a result of such an arrangement, the aerosol delivery device 100 is configured to be customizable for each consumer, when multiple consumers are using the aerosol delivery device 100 simultaneously, so that each consumer can choose their own aerosol precursor composition 108 (for example, menthol, cream, etc.) for an individualized experience.
[0073] In other respects, for example, two different aerosol precursor compositions 108A-B contained in the respective reservoirs 128A-B are delivered simultaneously to the same heating chamber 106, so that the two different aerosol precursor compositions 108A-B combinable within the
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30/46 heating 106 before, during and / or after aerosolization. As a result of such an arrangement, the aerosol delivery device 100 is configured to be customizable for a single consumer or multiple consumers, so that combinations of various aerosol precursor compositions 108A-B result in a unique experience.
[0074] Reservoir 128 is configured either as a reusable reservoir or a removable and disposable reservoir. In one example, reservoir 128 is reusable so that additional amounts of aerosol precursor composition 108 are added to reservoir 128 when necessary. In other examples, reservoir 128 is removed using all of the aerosol precursor composition 108 contained within. A new reservoir 128 containing additional amounts of an aerosol precursor composition is then engaged in housing 102, where reservoir 128 is a disposable reservoir or a refillable and reusable reservoir. Regardless, the reservoir 128 can be coupled with the housing 102 by means of a threaded coupling, a snap-fit coupling, a magnetic coupling, etc. Otherwise, the reservoir 128 is fixedly engaged with the housing 102, so that the reservoir 128 cannot be removed from the housing 102 (i.e., in the case of a refillable or reusable reservoir). Regardless, reservoir 128 is in fluid communication with the aerosol precursor delivery arrangement 126, so that the aerosol precursor composition (s) (108) is delivered to the heating chamber (s) 106 therefrom. .
[0075] In order to measure a quantity of (s)
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31/46 aerosol precursor composition (s) 108 delivered to the heating chamber (s) 106, a reservoir embodiment 128 comprises a screen 130 having a fine enough grid composition to prevent the entire aerosol precursor composition 108 to be delivered to the heating chamber 106 at the same time, but large enough to allow particles of the composition to flow through at a limited rate. For example, as shown in Figure 1, the screen 130 is configured to cover a substantial totality or an internal diameter of the housing 102 and is disposed adjacent to the reservoir 128. In another example, as illustrated in Figure 3, the screen 130 is disposed adjacent the two 128A-B reservoirs; although a screen for each respective 128A-B reservoir is also contemplated.
[0076] In some respects, the aerosol precursor composition 108, which may also be referred to as the vapor precursor composition, comprises one or more different components. The different components of the aerosol precursor composition 108 are selected from the group consisting of a liquid, a gel, a solid, a capsule, a colloid, a suspension, a botanical and a combination of them interspersed in a porous matrix or in a discrete package (e.g. substrate). In some non-limiting examples, one of the components of the aerosol precursor composition 108 includes a polyhydric alcohol (e.g., glycerin, propylene glycol or a mixture thereof). Representative types of other aerosol precursor compositions are disclosed in U.S. Patent 4,793,365 to Sensabaugh, Jr. et al .; US Patent No. 5,101,839 to
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32/46
Jakob et al .; PCT WO 98/57556 by Biggs et al .; and Chemical and biological studies of new cigarette prototypes that heat up rather than burn tobacco, R.J. Reynolds Tobacco Company Monograph (1988); whose disclosures are hereby incorporated by reference.
[0077] The components of the aerosol precursor composition 108 are combined based on the particular effects that each component imparts to the overall consumer experience. In some respects, components that allow the aerosol delivery device 100 to deliver some or all of the sensations (for example, inhalation and exhalation rituals, types of tastes or flavors, organoleptic effects, physical sensation, rituals of use, visual signs, such as those provided by visible aerosol and the like) of smoking a cigarette, cigar or pipe. In other respects, components that allow the aerosol delivery device 100 to produce a uniformly heated aerosol 114 from the aerosol precursor composition 108 are also selected. For example, a component that prevents overheating of the aerosol precursor composition 108, such as inert and non-volatile granules (eg, boiling chips) or other nucleating surfaces capable of absorbing excess microwave radiation 112, are selectable for the composition aerosol precursor 130. Alternatively, the controlling element 132 is configured to selectively control the microwave radiation emitting device 110 to emit microwave radiation 112 at a specific frequency for one or more components of the aerosol precursor composition 108 .
[0078] Some modalities of the delivery device
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Aerosol 33/46 100 includes a controller element 132 in communication between the microwave radiation emitting device 110 and a sensor element 134 in communication with the aerosol precursor composition 108 within the heating chamber 106. Controller element 132 it comprises, in some aspects, a microcontroller. The sensor element 134 comprises, in some aspects, a fiber optic probe. As illustrated in Figure 1 and in more detail in Figure 2A, the controller element 132 is disposed within the housing 104 and the sensor element 134 is disposed within the heating chamber 106. In another example, as illustrated in Figure 2B, a single element controller 132 is in communication between the microwave radiation emitting device 110 and both sensor elements 134A and 134B arranged in the respective heating chambers 106A-B.
[0079] In some embodiments, the sensor element (s) 134 is configured to detect a temperature, air flow velocity, pressure, elements of aerosol precursor composition or any combination thereof of the precursor composition of aerosol 108 within the heating chamber 106. For example, where sensor element 134 is configured to detect a temperature, controller element 132 is responsive to the temperature detected to regulate microwave radiation 112 to heat aerosol precursor composition 108 only for a maximum desired temperature. In this way, the controlling element 132, taken in conjunction with the sensor element (s) 134, is configured to prevent overheating, overheating, etc., of the aerosol precursor composition 108.
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34/46 [0080] In other embodiments, the sensor element (s) 134 is also configured to detect a volume of the amount of aerosol precursor composition 108 contained in the heating chamber 106. For example, where there are two heating chambers 106A-B, the sensor elements 134A-B are each configured to detect a capacity of the aerosol precursor composition 108 within a respective heating chamber 106A-B. The controlling element 132 is responsive to the detected ability to prevent the aerosol precursor delivery arrangement 126 from directing any more of the aerosol precursor composition 108 to one or both heating chambers 106A-B, in which one or both of the heating chambers 106AB heating units are at full capacity. As such, for example, a valve mechanism in communication with the controller element 132 is configured to limit an amount of aerosol precursor composition 108 delivered to one or both of the heating chambers 106A-B. Alternatively, in cases where one of the heating chambers 106A-B is at maximum capacity, controller 132 responds to the maximum detected capacity of that chamber to direct the aerosol precursor composition 108 to the other heating chamber 106A-B not at maximum capacity .
[0081] Furthermore, in various embodiments, an aerosol precursor composition transport element is disposed in the heating chamber 106 in communication with the aerosol precursor composition 108. For example, and as illustrated in Figures 2A-B, a modality of the aerosol precursor composition transport element comprises a wick 136 formed from a variety of materials
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35/46 (for example, cotton and / or fiberglass) configured to transport (ie, absorb and remove) the aerosol precursor composition 108. Due to the wick material design, wick 136 is configured to absorb an amount limited (i.e., amount of blowing size) of the aerosol precursor composition 108 delivered to the heating chamber 106; the wick having the liquid so absorbed is then heated by the microwave radiation emitting device 110 to produce an aerosol 114. In addition, for example, a puff size amount of the aerosol precursor composition 108 is capable of being pumped, dripped or otherwise delivered to heating chamber 106 and wick 136. However, the implementation of wick 136 is optional.
Therefore, in use, when a consumer sucks the nozzle element 122 of the aerosol delivery device 100, an amount of the aerosol precursor composition 108 is directed, by the aerosol precursor delivery arrangement 126, from the reservoir 128 for heating chamber 106. Alternatively, the aerosol precursor composition 108 is already disposed within heating chamber 106 prior to suction. The microwave radiation emitting device 110 is then activated (for example, through a blow sensor or sensor element 134) and the components of the aerosol precursor composition 108 are vaporized or aerosolized within the heating chamber 106. In in some respects, the controller element 132 is communicatively connected with the microwave radiation emitting device 110 to control microwave radiation 112 emitted therefrom. Per
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36/46 example, where the sensor element 134 detects an aerosol precursor composition 108 within the heating chamber 106 which requires increased microwave radiation 112 to aerosolize (for example, due to a temperature, volume, pressure, etc., of the aerosol precursor composition), the control element 132 is capable of controlling the microwave radiation emitting device 110 to emit sufficient microwave radiation 112 to aerosolize the aerosol precursor composition 108.
[0083] The suction in the nozzle element 122 of the aerosol delivery device 100 also causes the ambient air to enter the air flow channel 120 and pass into the heating chamber 106. The sucked ambient air combines with the steam / aerosol formed inside the heating chamber 106 and / or the aerosol delivery arrangement 126 to carry an aerosol 114. The formed aerosol 114 is sucked from the heating chamber 106, passes through the aerosol delivery arrangement 126, outwardly from the outlet port 118, through the hose member 124 and out of the nozzle element 122 of the device 100. In some respects, any aerosol 114 that is not sucked through the outlet port 118 resides or remains within the delivery arrangement of aerosol 126, where it is aged.
[0084] An exemplary mechanism that provides blow-acting capability includes a Model 163PC01D36 silicon sensor, manufactured by the MicroSwitch division of Honeywell, Inc., Freeport, Ill. Still other components are optionally used in the present 100 aerosol delivery device. disclosure. For example, U.S. Patent 5,261,424 to Sprinkel, Jr. discloses sensors
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37/46 piezoelectrics that can be associated with the mouth end of a device to detect the user's lip activity associated with a suction and then activate the heating; US patent 5,372,148 to McCafferty et al. discloses a blow sensor to control the flow of energy in 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 includes 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 in the receptacle; U.S. Patent 6,040,560 to Fleischhauer et al. describes an executable energy cycle defined with several 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 changing the resistance to friction 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 7,293,565 to Griffen et al. discloses various charging systems for use with smoking devices; US patent 8,402,976 to Fernando et al. discloses computer interface means for smoking devices to facilitate loading and allow computer control of the device; US Patent 8.68 9,804 to Fernando et al. discloses identification systems for smoking devices; and WO 2010/003480 de Flick discloses a fluid flow detection system indicative of a blow in an aerosol generation system;
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38/46 all previous disclosures being incorporated herein by reference in their entirety.
[0085] An additional description of other control components, including microcontrollers that may be useful in the present smoking article, is provided in U.S. Patent 4,922,901, 4,947,874 and 4,947,875, all to Brooks et al., Patent US Patent 5,372,148 to McCafferty et al., US Patent 6,040,560 to Fleischhauer et al. and U.S. Patent 7,040,314 to Nguyen et al., all of which are incorporated herein by reference in their entirety.
[0086] Figures 4A-4C illustrate schematics of exemplary aerosol precursor processing units. An aerosol precursor processing unit is configured to preheat aerosol precursor composition 108 before aerosolizing the aerosol precursor composition 108 by device 100. Alternatively, the aerosol precursor processing unit is configured to process the precursor composition aerosol spray after preheating the aerosol precursor composition 108 by device 100.
[0087] With reference to Figure 4A, an aerosol precursor processing unit 400A is illustrated. The aerosol precursor processing unit 400A is configured to be in fluid communication with the heating chamber (s) 106. More particularly, the aerosol precursor processing unit 400Ά is configured to provide the aerosol precursor composition. processed to the heating chamber (s) through an outlet (not shown) communicating with the heating chamber (s) 106, through the flow channel
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39/46 air (for example, 120, Figures 2A-B) or through the aerosol precursor delivery arrangement (for example, 126, Figure 1). The aerosol precursor processing unit 400A is configured to preheat aerosol precursor composition 108 to a preheat temperature, the preheat temperature being less than a maximum desired temperature to form the aerosol from the composition aerosol precursor 108, before the processed (i.e., preheated) aerosol precursor composition is delivered to the heating chamber (s) 106. Alternatively, the aerosol precursor composition 108 is preheated in the heating chamber (s) 106 of the aerosol delivery device 100 and removed from the heating chamber (s) 106 prior to vaporization / aerosolization of the aerosol precursor composition 108. At that point, the preheated aerosol precursor composition 108 is delivered (e.g., via the aerosol precursor delivery arrangement 126) to the aerosol precursor processing unit 400A and vaporized. Ambient air delivered via an inlet (not shown) to the 400A aerosol precursor processing unit combines with the vaporized / aerosolized aerosol precursor composition that carries the aerosol to be consumed by a user.
[0088] In some respects, the 400Ά aerosol precursor processing unit comprises a heating element or an aerosol forming element configured to interact with the aerosol precursor composition provided therein. In one example, a heating element comprises a hot plate. In another
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40/46 example, a heating element comprises a coil heater 402. The coil heater 402 is configured as a resistive heating element that produces heat when electrical current is applied through it. Examples of materials from which heating element 402 is formed include Kanthal (FeCrAl), Nickel-chromium, molybdenum disilicate (M0SÍ2), molybdenum silicate (MoSi), aluminum doped molybdenum disilicate (Mo (Si, Al ) 2), and ceramic (for example, a positive temperature coefficient ceramic). To produce heat, heating element 402 comprises conductive heating terminals (for example, positive and negative terminals) that are configured to direct current flow through heating element 402 and also for attachment to appropriate wiring or circuit (not shown) ) to form an electrical connection of the heating element 402 with a battery or other source of electrical energy. In other non-limiting examples, the heating element 402 is non-electric and produces heat to vaporize the aerosol precursor composition 108 via conduction, convection and / or radiation.
[0089] In other respects, the aerosol precursor processing unit 400A comprises a microwave radiation emitting device that is configured to interact with the aerosol precursor composition provided therein and preheat the aerosol precursor composition using emitted microwave radiation.
[0090] A sensor element 404 provided within the 400A aerosol precursor processing unit is
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41/46 configured to detect when the aerosol precursor composition 108 has been heated by the heating element 402 to the preheating temperature. The electrical connection to the heating element 402 is disengaged after the sensor element 404 detects that the preheat temperature has been reached. In addition, where the aerosol precursor composition is preheated in the heating chamber (s) 106 of the device 100, the sensor element 404 is configured to detect when a maximum temperature is reached and the heating element 402 is, subsequently disengaged.
[0091] Referring now to Figure 4B, an aerosol precursor processing unit 400B is illustrated. The aerosol precursor processing unit 400B is configured to be in fluid communication with the heating chamber (s) 106. More particularly, the aerosol precursor processing unit 400B is configured to provide the aerosol precursor composition. processed to heating chamber (s) 106 through an outlet (not shown) communicating with heating chamber (s) 106, through the air flow channel (eg 120, Figures 2A -B) or through the aerosol precursor delivery arrangement (for example, 126, Figure 1). The aerosol precursor processing unit 400B is configured to preheat a substrate material 406 having the aerosol precursor composition 108 associated with a preheating temperature, the preheating temperature being less than the maximum desired temperature to form the aerosol from the aerosol precursor composition 108, before the preheated substrate material
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42/46
406 be delivered to the heating chamber 106. [0092] In some aspects, The unity in precursor processing aerosol 400B understands one microwave oven conventional. THE unity in
Aerosol precursor processing 400B, therefore, preheats substrate 406 to preheating temperature using the control components and / or sensors provided in conventional microwave ovens. The preheated substrate 406 is then delivered to the heating chamber 106 for aerosolization via additional microwave radiation. Alternatively, substrate 406 is delivered to the reservoir
128 and the arrangement precursor delivery aerosol 126 delivers limited quantities of it for heating 106. the chamber in [0093] A Figure 4C illustrates a unity in Processing aerosol precursor 400C. The unity in Processing aerosol precursor 400C is configured to be in fluid communication with the camera (s) in
heating 106. More particularly, the aerosol precursor processing unit 400C is configured to deliver the processed aerosol precursor composition to the heating chamber (s) 106 via an outlet (not shown) communicating with the ) heating chamber (s) 106, through the air flow channel (for example, 120, Figures 2A-B) or through the aerosol precursor delivery arrangement (for example, 126, Figure 1). The aerosol precursor processing unit 400C is configured to preheat a membrane 408 comprising the aerosol precursor composition 108 to a preheat temperature, the preheat temperature being
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43/46 less than a maximum desired temperature to form the aerosol from the aerosol precursor composition 108, before the preheated membrane 408 is delivered to the heating chamber 106.
[0094] In some respects, the 400C aerosol precursor processing unit comprises a conventional microwave oven, while membrane 408 comprises a single-use or multipurpose membrane. In one example, the aerosol precursor composition 108 is provided on membrane 408; membrane 408 is sealed and then supplied to the 400C aerosol precursor processing unit. The aerosol precursor processing unit 400C therefore preheats the 408 membrane to the preheating temperature using the control components and / or sensors provided in conventional microwave ovens. The membrane 408 is supplied to the aerosol precursor processing unit 400C in a deflated state, but transitions to an inflated state when the aerosol precursor composition 108 is vaporized / aerosolized. The preheated inflated membrane 408 is then able to be blown through a nozzle attachment or otherwise attached to the aerosol delivery device 100, in order to allow the aerosol to be delivered to the consumer in a controlled manner. After delivery of the aerosol, the membrane 408 is either discarded (i.e., for single use) or unsealed and an additional amount of the aerosol precursor composition 108 is disposed within (i.e., multipurpose).
[0095] In an additional embodiment, not shown, the aerosol delivery device 100 is used to further evaporate an aerosol produced by another mechanism. More
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44/46 particularly, the microwave radiation emitting device 110 is configured to reduce the size of the aerosol particles produced by other mechanisms in order to make the particles small enough (for example, 2 micrometers in diameter) to inhalation. Some of these mechanisms for producing an aerosol include inkjet devices, which, in various embodiments, are configured to spray aerosol particles within an interior of the heating chamber 106 of the aerosol delivery device 100. For example, an thermal printer or bubble jet printer is capable of spraying an aerosol particle approximately 4-40 micrometers in diameter, while a piezoelectric printer is capable of spraying an aerosol particle approximately 1-2 micrometers in diameter. As an aerosol composed of particles larger than 2 micrometers is generally not conveniently inhalable, the sprayed aerosols are further evaporated by the microwave radiation emitting device 110 to reduce the particle size to an inhalable diameter, for example, 2 micrometers or any less.
[0096] Alternatively, a wick and / or coil arrangement is provided within an interior of the heating chamber 106 to produce an aerosol composed of particles having individual diameters between approximately 200-500 nanometers. Although an aerosol comprising particles of this diameter is inhalable, in some embodiments, the microwave radiation emitting device 110 is configured to further vaporize / aerosolize aerosol 114.
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45/46 [0097] Referring now to Figure 5, a method of manufacturing an aerosol delivery device is illustrated. Method, generally referred to as 500, is used to manufacture an aerosol delivery device that produces an aerosol by microwave radiation of a precursor composition, as described above.
[0098] In step 502, a microwave radiation emitting device (eg 110, Figure 1) is operated in an operational manner with a heating chamber (eg 106, Figure 1) configured to receive a composition aerosol precursor (e.g., 108, Figure 1) therein. In some embodiments, the microwave radiation emitting device is configured to heat the aerosol precursor composition with microwave radiation emitted in this way to form an aerosol from the aerosol precursor composition. An aerosol precursor composition is arranged in a heating chamber [0099] In step 504, the heating chamber is engaged with a housing (for example, 102, Figure 1) having an outlet port (for example, 118, Figure 1 ) so that the outlet port is in fluid communication with the heating chamber, and such that the heating chamber is responsive to suction applied to the outlet port so that the aerosol is pulled through the outlet port out of the housing .
[00100] Many modifications and other types of disclosure will come to the mind of a specialist in the technique to which this disclosure belongs, having the benefit of the teachings presented in the previous descriptions and in the associated drawings. Therefore, it should be understood that disclosure
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46/46 should not be limited to the specific modalities disclosed here and what modifications and other modalities should be included in the scope of the attached claims. Although specific terms are used here, they are used only in a generic and descriptive sense and not for the purpose of limitation.

权利要求:
Claims (34)
[1]
1. Aerosol delivery device, CHARACTERIZED by the fact that it comprises:
a heating chamber having an aerosol precursor composition disposed therein;
a microwave radiation emission device operatively engaged with the heating chamber and configured to heat the aerosol precursor composition therein with microwave radiation, to form an aerosol from the aerosol precursor composition; and a housing having an outlet port and being in fluid communication with the heating chamber, the heating chamber being responsive to suction applied to the outlet port so that the aerosol is pulled through the outlet port out of the housing.
[2]
2. Device, according to claim 1, CHARACTERIZED by the fact that it further comprises an aerosol precursor delivery arrangement operatively engaged with the heating chamber, and configured to direct the precursor composition of aerosol to the heating chamber from of a reservoir configured to contain the aerosol precursor composition and in fluid communication with the aerosol precursor delivery arrangement.
[3]
3. Device according to claim 2, CHARACTERIZED by the fact that the microwave radiation emission device comprises a magnetron extending around the heating chamber and configured to emit microwave radiation.
[4]
4. Device, according to claim 3, CHARACTERIZED by the fact that the magnetron is disposed within
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2/10 of a casing configured to substantially surround the heating chamber.
[5]
5. Device, according to claim 4, CHARACTERIZED by the fact that it comprises two or more reservoirs, in which each reservoir is configured to contain a distinct aerosol precursor composition, in which each of the two or more reservoirs is in communication fluidized with the aerosol precursor delivery arrangement and cooperable with it for the aerosol precursor delivery arrangement to direct any of the distinct aerosol precursor compositions from the respective one of the two or more reservoirs to the heating chamber.
[6]
6. Device, according to claim 5, CHARACTERIZED by the fact that it comprises an air flow channel defined inside the housing or the enclosure, and configured to allow the air flow between the heating chamber and the ambient air external to the housing or housing.
[7]
7. Device according to claim 6, CHARACTERIZED by the fact that the outlet port or airflow channel includes an airflow shielding element configured to cooperate with the housing to contain microwave radiation inside the enclosure.
[8]
8. Device according to claim 1, CHARACTERIZED in that it comprises a hose member having a proximal end engaged with the outlet port and an opposite distal end engaged with a nozzle element, the nozzle element and the member hose being in fluid communication with the
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3/10 heating through the outlet port, in order to receive the aerosol from there in response to the suction applied to the nozzle element.
[9]
9. Device according to claim 1, CHARACTERIZED by the fact that it comprises a controlling element in communication between the microwave radiation emitting device and a sensor element in communication with the precursor composition of aerosol inside the heating, the sensor element being configured to detect a temperature of the aerosol precursor composition within the heating chamber, the controller element being responsive to the temperature detected to regulate the microwave radiation output by the microwave radiation emitting device to heat the aerosol precursor composition within the heating chamber to a maximum desired temperature.
[10]
10. Device, according to claim 1, CHARACTERIZED by the fact that the aerosol precursor composition is selected from the group consisting of a liquid, a gel, a solid, a capsule, a colloid, a suspension, a botanical and a combination of the same.
[11]
11. Device according to claim 10, CHARACTERIZED by the fact that a component of the aerosol precursor composition is configured to prevent overheating of the aerosol precursor composition.
[12]
12. Device, according to claim 1, CHARACTERIZED by the fact that it comprises a wick attached to the heating chamber, the wick being in communication with the precursor aerosol composition, in which the microwave radiation emission device is configured to heat
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4/10 the wick, so that an amount of the aerosol formed in this way is proportional to the amount of the aerosol precursor composition absorbed by the wick.
[13]
13. Device according to claim 1, characterized by the fact that the heating chamber comprises a first heating sub-chamber and a second heating sub-chamber, one of the first and second heating sub-chambers having a greater capacity for the precursor composition than the other, and where the first and second heating sub-chambers are in fluid communication with the outlet port via a selector element, the selector element being responsive to the suction applied through the outlet port to direct the aerosol to the port outlet from the selected one of the first and second heating sub-chambers, an amount of the aerosol corresponding to a suction magnitude.
[14]
14. Device according to claim 1, CHARACTERIZED by the fact that it comprises an aerosol precursor processing unit in fluid communication with the heating chamber and configured to preheat the precursor aerosol composition to a preheating temperature, the preheating temperature being less than the maximum desired temperature for forming the aerosol from the aerosol precursor composition, before the preheated aerosol precursor composition is directed to the heating chamber.
[15]
15. Device according to claim 14, CHARACTERIZED by the fact that the aerosol precursor processing unit comprises a heating element or an aerosol forming element configured for
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5/10 interact with the aerosol precursor composition.
[16]
16. Device according to claim 1, CHARACTERIZED by the fact that it comprises an aerosol precursor processing unit in communication with the heating chamber and configured to preheat a substrate material having the aerosol precursor composition associated with a preheat temperature, the preheat temperature being less than the maximum desired temperature to form the aerosol from the aerosol precursor composition, before the preheated substrate material is directed to the heating chamber.
[17]
17. Device according to claim 1, CHARACTERIZED by the fact that it comprises an aerosol precursor processing unit in communication with the heating chamber and configured to preheat a membrane composed of the aerosol precursor composition to a temperature of preheating, the preheating temperature being less than the maximum desired temperature to form the aerosol from the aerosol precursor composition, before the preheated membrane is directed to the heating chamber.
[18]
18. Method of manufacturing an aerosol delivery device, the method CHARACTERIZED by the fact that it comprises:
operatively engage a microwave radiation emission device with a heating chamber configured to receive an aerosol precursor composition therein, the microwave radiation emission device being configured to heat the aerosol precursor composition with radiation from microwave emitted in this way to form an aerosol from the composition
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6/10 aerosol precursor; and engaging the heating chamber with a housing having an outlet port, so that the outlet port is in fluid communication with the heating chamber, and so that the heating chamber is responsive to suction applied to the outlet port , so that the aerosol is pulled through the outlet port from the housing.
[19]
19. Method, according to claim 18, CHARACTERIZED by the fact that it further comprises engaging an aerosol precursor delivery arrangement in fluid communication with the heating chamber, the aerosol precursor delivery arrangement being configured to direct the composition aerosol precursor to the heating chamber from a reservoir having the aerosol precursor composition in it.
[20]
20. Method according to claim 19, CHARACTERIZED by the fact that operatively engaging the microwave radiation emitting device comprises operatively engaging a magnetron with the heating chamber, the magnetron extending around the heating chamber and being configured to emit microwave radiation.
[21]
21. Method according to claim 20, CHARACTERIZED by the fact that it further comprises arranging the magnetron within a shell configured to substantially surround the heating chamber.
[22]
22. Method according to claim 21, CHARACTERIZED by the fact that it further comprises forming two or more reservoirs within the housing, wherein each reservoir includes an aerosol precursor composition
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7/10 distinct therein, where each of the two or more reservoirs is in fluid communication with the aerosol precursor delivery arrangement and is cooperable with the aerosol precursor delivery device to target any of the aerosol precursor compositions separate from the respective one of the two or more reservoirs for the heating chamber.
[23]
23. Method, according to claim 22, CHARACTERIZED by the fact that it further comprises defining an airflow channel inside the housing or the enclosure, the airflow channel being configured to allow airflow between the air chamber heating and ambient air external to the housing or housing.
[24]
24. Method according to claim 23, CHARACTERIZED by the fact that it further comprises arranging an airflow shield element in the outlet port or in the air flow channel, the air flow shield element being configured to cooperate with the enclosure to contain microwave radiation within the enclosure.
[25]
25. Method according to claim 18, CHARACTERIZED by the fact that it further comprises engaging a proximal end of a hose member with the outlet port and engaging a distal opposite end of the hose member with a nozzle element, the element nozzle and the hose member being in fluid communication with the heating chamber through the outlet port, in order to receive the aerosol from there in response to the suction applied to the nozzle element.
[26]
26. Method, according to claim 18, CHARACTERIZED by the fact that it still comprises
Petition 870190095092, of 09/23/2019, p. 59/90
8/10 operatively engage a controlling element between the microwave radiation emitting device and a sensor element in communication with the aerosol precursor composition within the heating chamber, the sensor element being configured to detect a temperature of the precursor composition of aerosol inside the heating chamber, and the controlling element being configured to be responsive to the temperature detected to regulate the microwave radiation output by the microwave radiation emitting device to heat the aerosol precursor composition within the heating chamber heating to a maximum desired temperature.
[27]
27. Method, according to claim 18, CHARACTERIZED by the fact that it further comprises selecting the precursor aerosol composition from the group consisting of a liquid, a gel, a solid, a capsule, a colloid, a suspension, a botanical and a combination of them.
[28]
28. Method, according to claim 27, CHARACTERIZED by the fact that the selection of the aerosol precursor composition further comprises selecting the precursor aerosol composition, so that a component thereof is configured to prevent the precursor composition from overheating. of aerosol.
[29]
29. Method, according to claim 18, CHARACTERIZED by the fact that it also comprises engaging a wick with the heating chamber, so that the wick is in communication with the precursor composition of aerosol, in which the device emitting radiation microwave oven is set up to heat the wick, so that an amount
Petition 870190095092, of 09/23/2019, p. 60/90
9/10 of the aerosol formed in this way is proportional to the amount of the aerosol precursor composition absorbed by the wick.
[30]
30. Method according to claim 18, CHARACTERIZED by the fact that it further comprises defining, in the heating chamber, a first heating sub-chamber and a second heating sub-chamber, one of the first and second heating sub-chambers having a greater capacity for the precursor composition of aerosol than the other, and in which the first and second heating sub-chambers are configured to be selectively in fluid communication with the outlet port via a selector element, the selector element being responsive to the suction applied through the port outlet to direct the aerosol to the outlet port from the heating sub-chamber in selective communication with it, an amount of the aerosol corresponding to a magnitude of the suction.
[31]
31. Method, according to claim 18, CHARACTERIZED by the fact that it further comprises engaging an aerosol precursor processing unit in fluid communication with the heating chamber, the aerosol precursor processing unit being configured to preheat the aerosol precursor composition to a preheat temperature, the preheat temperature being less than a maximum desired temperature to form the aerosol from the aerosol precursor composition, before the preheated aerosol precursor composition is directed to the heating chamber .
[32]
32. Method, according to claim 31, CHARACTERIZED by the fact that the coupling of the aerosol precursor processing unit comprises arranging
Petition 870190095092, of 09/23/2019, p. 61/90
10/10 a heating element or an aerosol forming element for interacting with the aerosol precursor composition before the preheated aerosol precursor composition is directed to the heating chamber.
[33]
33. Method, according to claim 18, CHARACTERIZED by the fact that it further comprises engaging an aerosol precursor processing unit in fluid communication with the heating chamber, the aerosol precursor processing unit being configured to preheat a substrate material having the aerosol precursor composition associated therewith for a preheat temperature, the preheat temperature being less than the maximum desired temperature to form the aerosol from the aerosol precursor composition, before the substrate material preheated oven is directed to the heating chamber.
[34]
34. Method, according to claim 18, CHARACTERIZED by the fact that it further comprises engaging an aerosol precursor processing unit in fluid communication with the heating chamber, the aerosol precursor processing unit being configured to preheat a membrane comprising the aerosol precursor composition at a preheat temperature, the preheat temperature being less than a maximum desired temperature to form the aerosol from the aerosol precursor composition, before the preheated membrane is directed to the chamber of heating.

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同族专利:

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公开号 | 公开日

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KR20190127907A|2019-11-13|

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RU2019129737A|2021-04-26|

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US20180271150A1|2018-09-27|

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US20190208818A1|2019-07-11|

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CN111031817A|2020-04-17|

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RU2019129737A3|2021-07-05|

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WO2018172962A2|2018-09-27|

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CA3057257A1|2018-09-27|

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JP2020511967A|2020-04-23|

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US10405575B2|2019-09-10|

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US10219544B2|2019-03-05|

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EP3599912A2|2020-02-05|

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WO2018172962A3|2018-11-15|

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PH12019502157A1|2020-06-29|

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法律状态:
2021-10-19| B350| Update of information on the portal [chapter 15.35 patent gazette]|

优先权:

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申请号 | 申请日 | 专利标题

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US15/468,883|US10219544B2|2017-03-24|2017-03-24|Aerosol delivery device and a related method|

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PCT/IB2018/051907|WO2018172962A2|2017-03-24|2018-03-21|An aerosol delivery device and a related method|

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