INSERTING A CARTRIDGE FOR USE WITH A LIQUID DIFFUSER DEVICE AND CARTRIDGE FOR USE WITH A LIQUID DIFF

专利摘要:
removable cartridge for liquid diffuser device and respective cartridge insert. a cartridge insert for use with a liquid diffuser device is provided. the insert includes a body, an entrance configured in the body to receive dispersed liquid, generated inside the cartridge during the operation of the liquid diffuser device, an exit zone defined by at least partially by the body through which the dispersed liquid is discharged towards an external environment, and a curved passageway that extends between the inlet and the outlet zone to assist in further reducing an average particle size of the dispersed liquid as the dispersed liquid travels through the curved passage. removable cartridges are also provided for use with a diffuser device, including an insert of this nature.
公开号:BR112016024834B1
申请号:R112016024834-1
申请日:2015-04-16
公开日:2021-03-23
发明作者:Matthew Ansley；Nathan Sward；Howard Tanner；Richard Weening；Craig Kelly
申请人:Prolitec, Inc.；
IPC主号:

专利说明:

[0001] [001] The present description refers in general to liquid diffuser devices and, more specifically, to a removable cartridge with a removable multifunctional insert for use with a liquid diffuser device, the liquid to be dispersed being contained inside the cartridge, being channeled through the multifunctional insert before being discharged outdoors. Related Technique Description
[0002] [002] In the past, diffuser devices have had the ability to release fragrances or other liquids into the atmosphere or through desired spaces, but have had several shortcomings. The exchange of the fragrance or product being dispersed typically required that a reservoir of the diffuser device be discharged and then filled with the new liquid or fragrance. Conventional reservoirs can be configured to be replenished directly with the liquid to be dispersed which can be of a random nature or can have a highly concentrated odor. This refilling cannot be done in a desired manner in a public environment, such as in a store, restaurant, casino or other commercial environment where the fragrance or other product can be dispersed. In addition, if it is necessary to deal with bulk refills that need to be spilled or otherwise introduced into the diffuser device reservoir, it may be an unwanted way for domestic or non-commercial diffuser devices. An improved ability to replenish or recharge a diffuser with a fragrance or other product is desirable.
[0003] [003] Some diffuser devices have been developed to deal with the problems mentioned above, allowing a cartridge, containing the liquid to be dispersed, to be removed from a host device when the liquid is exhausted, being replaced by another similar cartridge. Such diffuser devices and their removable cartridges, however, can be extremely expensive and / or may have other deficiencies or flaws such as, for example, the discharge of dispersed liquid with a lower index of ideal characteristics or the cartridges may be susceptible to leakage, handling, degradation and / or contamination. In this sense, the applicant believes that cartridges and cartridge components optimized for liquid diffuser devices are desirable. Brief Summary
[0004] [004] Removable cartridges for use with liquid diffuser devices and their components shown and described herein comprise removable cartridges and cartridge components (for example, multifunctional inserts) with efficient shaping factors that are particularly effective for the treatment of spaces with dispersed liquids, having extremely small liquid particles.
[0005] [005] At least one configuration of a cartridge insert for use with a liquid diffuser device can be summarized as comprising a body, an entrance configured in the body to receive the dispersed liquid, generated inside the cartridge during the operation of the liquid diffuser device, an exit zone defined at least in part by the body through which the liquid to be diffused towards an external environment must be discharged, and a tortuous passage that extends between the entrance area and the entrance area. outlet to assist in further reducing the average particle size of the dispersed liquid, as the dispersed liquid moves through the tortuous passage.
[0006] [006] The entrance can be located on a periphery of the body, the exit area can be located in a central area of the body and the tortuous passage can be provided in a spiral form between the entrance and the exit area. The tortuous passageway may be open in an upward direction. The body can be formed as a single unitary piece that includes a tortuous passage. A lower part of the body may cover an indentation with an impact surface to be reached by the liquid dispersed during the operation of the liquid diffuser device. The impact surface can diverge in a downward direction to direct the condensed liquid there radially outwards and downwards. The tortuous passage can be at least partially defined as a vertical side wall of the body. The tortuous passage can follow a non-linear path that helps to prevent liquid leakage from the cartridge when the cartridge is in an inverted position. A cross-sectional profile of at least part of the tortuous passage may narrow in a downward direction.
[0007] [007] At least one embodiment of a cartridge for use with a liquid diffuser device can be summarized as including a cartridge housing that defines an internal housing cavity, partially filled with liquid to be dispersed, a diffuser head positioned inside the internal housing cavity which includes a venturi device for generating a liquid for diffusion from the liquid contained in the internal housing cavity, as well as an insert positioned downstream of the diffuser head. The insert can contain an entrance to receive the diffused liquid that is generated by the venturi device, an exit zone through which the liquid to be dispersed towards an external environment must be discharged, and a tortuous passage that extends between the zone the entrance and the exit area.
[0008] [008] The insert can be positioned between the cartridge housing and the diffuser head. An upper part of the diffuser head and a lower part of the insert may define a primary expansion chamber immediately above the venturi device, a secondary chamber may be provided on the outside of the diffuser head and the insert and a tertiary chamber may be provided by the tortuous passage of the insert. The primary expansion chamber may be in fluid communication with the internal housing cavity on the outside of the diffuser head through a plurality of openings, provided in the upper part of the diffuser head. The upper part of the diffuser head can define a shield that prevents the dispersed liquid, generated by the venturi device, from leaving the primary expansion chamber through a path other than the plurality of openings.
[0009] [009] The tortuous passage of the insert can provide the only exit passage from the cartridge to the dispersed liquid, generated by the venturi device. The tortuous passage of the insert can be configured to provide a convoluted flow path that slows the flow of liquid to be dispersed through the insert when the cartridge is temporarily held in an inverted position. An initial filling level of the liquid to be dispersed may be below the venturi device when the removable cartridge is in the vertical position and below a central axis of the cartridge housing where the removable cartridge is in an upside position, being supported laterally, and the passage tortuous can be configured to provide a convoluted flow path that covers a section above the central axis when the cartridge is turned, seated laterally to prevent the liquid to be dispersed through the entire tortuous passage. Brief Description of the Different Designs
[0010] [010] Figure 1 - isometric view of a removable cartridge for a liquid diffuser device, according to one modality.
[0011] [011] Figure 2 - partially cross-sectional isometric view of the removable cartridge in figure 1, showing its internal components.
[0012] [012] Figure 3 - cross-sectional view of the removable cartridge in figure 1, along line 3-3 in figure 2.
[0013] [013] Figure 4 - cross-sectional view of the removable cartridge in figure 1 along line 4-4 in figure 2.
[0014] [014] Figure 5 - partial isometric cross-sectional view of a diffuser head and a removable cartridge insert in figure 1.
[0015] [015] Figure 6 - is a cross-sectional view of the removable cartridge insert in figure 1, along line 6-6 in figure 4, showing a flow path for liquid dispersed there in displacement.
[0016] [016] Figure 7 - is a cross-sectional view of the removable cartridge in figure 1, along line 4-4 in figure 2, however, laterally rotated.
[0017] [017] Figure 8 - is a partial isometric cross-sectional view of a removable cartridge for a liquid diffuser device, according to another modality.
[0018] [018] Figure 9 - is an isometric view of a removable cartridge insert in figure 8.
[0019] [019] Figure 10 - is a cross-sectional view of the insert shown in figure 9, showing a flow path for liquid dispersed there in passing. Detailed Description
[0020] [020] In the following description, certain specific details are established in order to provide full understanding of the different modalities revealed. However, a person skilled in the relevant technique will recognize that modalities can be carried out without one or more of these specific details. In other cases, well-known devices, structures and techniques linked to liquid diffuser devices, their components and related methods for diffusing liquids, may not be shown or described in detail to avoid unnecessary obscuration of the modalities descriptions. For example, modalities of removable cartridges and cartridge components (for example, cartridge inserts) disclosed herein can be used in a wide variety of host diffuser devices, including those with an integrated pressurized gas source (for example, an air compressor). air or pump) and a control system for discharging liquid dispersed in regular or irregular duty cycles or as otherwise desired. Such diffuser devices, which can be adapted to receive modalities of the cartridges and cartridge components described herein, are not shown or described in more detail to avoid an unnecessary obscuration of the descriptions of these modalities. Examples of diffuser devices and corresponding aspects and related methods that can be used in combination with the cartridges and cartridge components described herein are shown in US Patent Numbers 7,712,683, 7,930,068 and 8,855,827, all of which are incorporated herein by reference, in their entirety.
[0021] [021] Unless otherwise required by context, throughout the specification and in subsequent claims, the word "understand" and its variations as "comprises" and "comprising", must be interpreted in an open and inclusive sense that be "inclusive, but not limited to".
[0022] [022] Reference made throughout this specification to "a modality" or "modality" means that a particular aspect, structure or characteristic described in connection with the modality is included in at least one modality. Therefore, the appearance of phrases such as "in a modality" or "in modalities", at several points in this specification, do not necessarily refer to all the same configuration. In addition, the particular aspects, structures or characteristics can be combined in an appropriate manner in one or more modalities.
[0023] [023] As used in this specification and the appended claims, the singular forms of "one", "one" and "o" include references to the plural unless the content clearly indicates it differently. It should also be noted that the term "or" is generally used in a sense that encompasses "and / or" unless the content clearly indicates another meaning.
[0024] [024] The present description generally refers to liquid diffuser devices and, more specifically, to a removable cartridge 100, 200 for use with a diffuser device, where the liquid to be dispersed is contained within the cartridge 100, 200 and refers to its components and related methods for discharging liquid to be dispersed in a space. The cartridges 100, 200 described herein can be used with a diffuser device or system that has a unit or housing adapted to removably receive the cartridges 100, 200, so that the diffuser device or system can be refilled with liquid to be dispersed . In some cases, a diffuser device may be provided that includes a unit or housing, a removable cartridge 100, 200 for liquids and a cover that surrounds both the unit or housing and the cartridge 100, 200, similar to the exemplary diffuser devices shown and described in US patent number 7,712,683 granted to Prolitec Inc., hereby incorporated in its entirety by reference. One or more operational controls or status indicators may be provided for the operation of the device and an outlet or opening may be provided on the device to allow a dispersed liquid, generated from the liquid inside cartridge 100, 200, to be discharged to the environment through the device. When integrated in a host diffuser device, the removable cartridge 100, 200 acts or is otherwise coupled to an outlet or a source of pressurized gas to enable the pressurized gas to be selectively channeled through the cartridge 100, 200 as described here, in order to diffuse the liquid contained therein. The gas used to drive liquid dispersion can be any one of a variety of inert gases. In some cases, the diffuser device may comprise an air compressor that uses normal ambient air to drive the dispersion. However, other gases, such as, however, without limitation, nitrogen, carbon dioxide or other similar atmospheric gases may be used. It may also be desired to use a gas which reacts with the liquid to be dispersed, such as, however, without limitation, oxygen and other non-inert gases. Likewise, the diffuser device may use, for example, without limitation, a compressor integrated in it, an integrated source of compressed air as a pressurized reservoir or it can have a connection to an external source of compressed gas.
[0025] [025] In the present description, the expressions "atomize" and "disperse" are used in their various forms interchangeably. They intend to make reference generally to the same action which is the dispersion of a liquid with very small particle sizes (preferably, however, without limitation, to a micron or less in size) and releasing the particles into the atmosphere from a generally closed space. The discharge of dispersed liquid with particularly small particles helps to ensure that the liquid to be dispersed remains in the air long enough to treat the space effectively.
[0026] [026] One approach to providing small particle sizes is to provide a dispersion site or gas-liquid mixture adjacent to an expansion chamber. The mixed combination of gas and liquid may contain particles larger than the desired size. By allowing this mixture to remain integrated within the expansion chamber before being released into the treated space, it will allow larger particles to be precipitated out of the mixture. Structures applied by a gas flow and applied liquid mixtures can also assist in the collection of these larger particles, leaving only the desired particles, predominantly smaller in size, to be released. The expansion chamber can be maintained at a positive pressure with respect to atmospheric pressure within the space to be treated, so that the gas and liquid mixture will be injected from the device into the space. Alternatively, the expansion chamber may, in general, be maintained at the atmospheric pressure of the space to be treated with the gas flow through the chamber, providing the impetus for the movement of the gas and liquid mixture from the device to the space to be to be treated. It may also be possible that the pressure inside the expansion chamber is below that of the treated space, which may assist in mixing or dispersing the liquid dispersed within the atmosphere in space.
[0027] [027] In the context of this description, the word dispersion also generally refers to a process or method of dispersing a liquid without destroying the integrity of the liquid compound. Although some degree of reactivity between the gas and the liquid may be desirable, the dispersion generally does not change the nature of the liquid, unlike what occurs with heating or applying electrical energy to the liquid intended for dispersion.
[0028] [028] The removable cartridges 100, 200 and their components described herein may be used with a diffuser device to provide or introduce a pleasant or mild fragrance (or some other type of liquid that can be used as a treatment or aerial compound) in the airspace of an environment or other enclosed space. The specific liquid to be dispersed by the diffuser device is contained in the removable cartridge 100, 200. Other possible types of liquids that can be dispersed may include decontamination agents, insecticides, insect repellents and many different types of liquids that can be desirably dispersed within an enclosed space. The present description is not limited to a particular type or nature of liquid to be dispersed, but is intended to comprise any desirable aerial treatments with liquids preferably dispersed within an enclosed space to be effective. The term closed space, as used herein, refers to any volume of space within which the atmospheric stirring is sufficiently slow to allow the dispersed liquid to exert its desired effect within space. Larger spaces, such as concert halls, casinos, lobbies, etc. they may have one or more openings in the space, and yet they may have the desired characteristics to allow treatment with a dispersed liquid. Other spaces can preferably be completely closed to allow treatment with the selected liquid. In other cases, the liquid used for the treatment can preferably be used in a sealed space for maximum effectiveness or for safety reasons. Within the scope of this description, it is not intended to limit the nature, size or configuration of the space to be treated, except as may be appropriate for the liquid used for the treatment of the space and the nature of the treatment desired within this space.
[0029] [029] A source of pressurized gas 102, 202 (figures 2 and 8) may be provided inside or in connection with the diffuser device that receives the removable cartridges 100, 200. The source of pressurized gas 102, 202 can comprise, for example, a small air compressor or pump, an internal reservoir or a connection to an external source of pressurized gas. In some modalities, controls can be configured to allow the adjustment of the timing and / or pressure level of the pressurized gas or the air generated by the pump or the compressor that is finally directed inwards and that passes through the cartridge 100, 200. In some cases , the operating pressure may be relatively low, for example, less than approximately 2 psi of gauge pressure or approximately 1.5 psi of gauge pressure. Inside the cartridge 100, 200, the pressurized gas is directed in order to atomize the liquid contained therein and assist in the dispersion of the atomized liquid to the air space to be treated.
[0030] [030] In some cases, it may be desirable to have an indirect route from the point of effective atomization of the liquid and an outlet 114, 214 (figures 1 to 4 and 8), through which a part of the atomized particles leaves the cartridge 100, 200. As will be described in more detail below, removable cartridge modalities 100, 200 described herein provide an atomization zone where cartridge liquid 100, 200 and pressurized gas meet and are mixed. In addition, cartridges 100, 200 can also supply one or more expansion chambers within cartridge 100, 200 where the atomized liquid is contained until a part of the atomized liquid is allowed to exit cartridge 100, 200 and the host diffuser. As described in greater detail elsewhere, cartridges 100, 200 can combine storage of the liquid to be dispersed, an atomization structure to transform the liquid into an air concentration, one or more expansion chambers, and a tortuous path or passage towards the outlet 114, 214 of the cartridge 100, 200. The cartridges 100, 200, according to the present description, can also be used in conjunction with one or more external expansion chambers to constitute an additional aid in separating the sizes of particles, allowing only small desired particles to be allowed access to the space to be treated.
[0031] [031] Referring now to figures 1 through 7, an exemplary embodiment of a removable cartridge 100 is shown for use with a diffuser device that is configured to treat a space with dispersed liquid, generated by a flow of pressurized gas that moves through the cartridge 100. As shown in figure 1, the removable cartridge 100 may comprise a housing 110, having two or more parts or pieces 110a, 110b coupled to define a fluid receptacle with an internal cavity 113, partially filled with liquid 111 a be dispersed. In some cases, the sections or parts of the housing 110a, 110b can be fixedly interconnected to prevent a non-destructive disassembly of the removable cartridge 100, making it effectively tamper-proof. This may be desirable to prevent users from refilling and reusing a spent cartridge that may be ineffective or less effective in treating space, due to the degradation or formation of residues within the cartridge 100 resulting from previous use. As an example, and with reference to figures 2 to 4, the section or parts of the housing 110a, 110b may have Interlocking structures 120 that fit or otherwise couple in a way that avoids the non-destructive disassembly of the housing 110 and, therefore, , from cartridge 100. A seal 122, such as a 0-ring seal or other sealing device, may be provided between housing sections or parts 110a, 110b near interlocking structures 120 to provide a liquid-tight seal when the housing 110 is being assembled. In this way, it can be prevented that the liquid 111 to be dispersed leaks from the housing 110 at an interface between the sections or parts of the housing 110a, 110b. Upon liquid depletion 111, cartridge 100 may be promptly removed and replaced with a similar cartridge 100 for continued treatment of the environment around the diffuser device and discharged cartridge 100 may be discarded as an intact unit or may be kept for renewal purposes.
[0032] [032] With reference to figure 1, the housing 110 of the cartridge 100 may contain an upper part of the housing 110a and a lower part of the housing 110b fixedly coupled together. A cartridge inlet 112 may be provided at one end of the bottom of the bottom of housing 110b to receive a flow of pressurized gas during operation and an outlet of cartridge 114 may be provided at the top of housing 110a for discharge during the operation of dispersed liquid, generated by the cartridge 100. The inlet of the cartridge 112 and the outlet of the cartridge 114 can be aligned along a central axis A, defined by the housing 110. The housing 110 can be symmetrical and rotational around the central axis A. For example, as shown in figure 1, the housing 110 may look like a receptacle of rotational symmetry around the central axis A. In other cases, the housing 110 may be of asymmetric configuration and the cartridge inlet 112 and the outlet of the cartridge 114 may not be aligned vertically along a common axis. Respective covers or plugs 104, 106 may be provided for the temporary closure of the cartridge inlet 112 and the outlet of the cartridge 114 during storage, transportation or the like, in order to avoid degradation or contamination of the cartridge 100 or possible leakage of the liquid 111 contained therein.
[0033] [033] Internal components and structures of the cartridge 100 and related functionality will now be described with reference to figures 2 to 4. According to the illustrated embodiment of the cartridge 100, the internal components and structures provide, among other things, a flow path through of the cartridge 100 from the entrance of the cartridge 112 to the exit of the cartridge 114, as shown by the arrows labeled 130a-130h. When installed in a host diffuser device, the cartridge inlet 112 is coupled to a source of pressurized gas 102 so that the gas can be periodically forced through the cartridge 100 as generally shown by the arrows marked 130a-130h for combination with the liquid 111 and to come out as a gas-liquid mixture, comprising particularly small liquid particles carried by the gas here generally referred to as dispersed liquid.
[0034] [034] As shown in figures 2 to 4, the pressurized gas penetrates the cartridge 100 through the cartridge inlet 112 and at the bottom end of the housing 110 and then flows through a diffuser head 140 provided inside the housing 110 which covers a device venturi 142 to attract liquid 111 trapped within the moving gas stream, and a cartridge insert 170 before exiting cartridge 100 through cartridge exit 114. More particularly, pressurized gas enters cartridge 100 through cartridge inlet 112 and at the bottom end of the housing 110, as shown by arrow 130a, to then flow upwards through a gas feeder conduit 152 defined by an internal surface 154 of a lower section 144 of the diffuser head 140, as shown by the arrow marked 130b . Then the gas flows through the venturi device 142, drawing inward the liquid 111 from a fluid reservoir surrounding the lower part 144 of the diffuser head 140 into the internal cavity 113 of the housing 110 to create a gas-liquid mixture comprising liquid atomized (also referred to herein as dispersed liquid) which is discharged into an expansion chamber 148 shaped by an upper part 146 of the diffuser head 140 as shown by the arrow marked 130c. The dispersed liquid is then directed to an impact structure or surface 182 located opposite the venturi device 142, where it impacts at least part of the dispersed liquid, being collected in the impact structure or surface 142, being returned to any fluid 111 remaining in the reservoir. fluid to be reintroduced into the gas stream by the venturi device 142. At least some other part of the dispersed liquid is redirected to flow downwards around bulkhead sections 156 of the diffuser head 140 and pass through the passages 158 in the diffuser head 140 that lead to a section of the internal cavity 113 of the housing above the fluid level L of liquid 111 in the cartridge 100, as shown by the arrows marked 130d and 130e. From that point, a part of the dispersed liquid may be collected on the exposed internal surfaces of the housing 110 or on other internal structures of the cartridge 100 or they may otherwise be precipitated out of the gas and the atomized liquid, being reintegrated into the liquid 111 in the fluid reservoir to be reintroduced into the gas stream by the venturi device 142. Some other parts of the dispersed liquid can be propelled into the cartridge insert 170 through an inlet 172 of this unit, as shown by the arrow marked 130f. From the inlet 172 of the cartridge insert 170, the dispersed liquid proceeds along a tortuous passage through the cartridge insert 170 as shown by the arrows marked 130g, before crossing an outlet passage 115 in housing 110 leading to the outlet cartridge 114, to be discharged from cartridge 100, as shown by the arrow marked 130h. By covering this tortuous passage from the expansion chamber 148 to the outlet of the cartridge 114, the particle size distribution of the dispersed liquid is refined in such a way that only particularly fine particles are successfully discharged from the cartridge 100, with relatively larger particles being assembled on one or more surfaces of the internal structures and components of the cartridge 100 or otherwise are precipitated out of the gas to be joined with the liquid 111 remaining in the liquid reservoir for reintroduction into the gas flow through the venturi device 142.
[0035] [035] Further details of diffuser head 140 and cartridge insert 170 will now be addressed with reference to figure 5. As shown in figure 5, diffuser head 140 may comprise a unit body of diffuser head 141 including an upstream or lower section 144 and a downstream section or above 146. For example, in some cases, the diffuser head 140 may be shaped or otherwise configured as a unitary piece of material, such as a suitable plastic or polymeric material. The lower part 144 of the diffuser head 140 may have the size and shape to fit closely in a corresponding section of the housing 110, as shown in figures 1 to 4 or to otherwise establish an interface with the housing 110 and may be fixedly connected with the housing 110 through friction welding, ultrasonic welding and other joining processes, aiming to create a liquid-tight seal between the housing 110 and the lower part 144 of the diffuser head 140. In some cases, as in the exemplified configuration of the diffuser head 140 shown in figure 5, the lower part 144 of the diffuser head 141 body may comprise a flange 143 or other feature, such as a step, a projection, a projection, an indentation or a groove that interfaces with the housing 100 to assist in the adjustment and joining of components.
[0036] [036] Continuing with reference to figure 5, the lower part 144 of the diffuser head body 141 comprises an internal surface 154 that defines the gas feeder conduit 152 that extends from the inlet of the cartridge 112 at the bottom end of the cartridge 100 in the direction of the venturi device 142. The gas supply line 152 may also be partially defined by a dividing section 145 of the diffuser head body 141 that divides the upper part 146 of the diffuser head 140 from the lower part 144. The dividing section 145 separates and isolates the gas feeder conduit 152 from the expansion chamber 148 with the exception of a flow passage 147 through the venturi device 142 which provides the only fluid communication between the gas feeder conduit 152 and the expansion chamber 148.
[0037] [037] With reference to figures 2 and 3, the liquid 111 to be dispersed may involve the lower part 144 of the diffuser head 140 so that the gas penetrates the cartridge 100 from a bottom 118 of the cartridge 100, crossing an area of the diffuser head 140 surrounded by liquid 111 before reaching the venturi device 142. In the venturi device 142, the gas is accelerated through the flow passage 147, creating a lower pressure zone that attracts the liquid 111 to be dispersed by means of a tube suction 119 which establishes a fluid communication between the liquid reservoir surrounding the lower part 144 of the diffuser head 140 and the venturi device 142. The initial volume of liquid 111 supplied with the cartridge 100 preferably does not fill the entire internal cavity 113 of the housing 110, however, instead defines a fluid level L which is below the venturi device 142.
[0038] [038] As shown in figure 5, the diffuser head 140 can include a tube with a passage 149 in the dividing section 145 of the diffuser head body 141 to receive one end of the suction tube 119 and position an outlet of the suction tube 119 in fluid communication with the flow passage 147 of the venturi device 142 so that the liquid 111 can be attracted into the path of the pressurized gas as it is being accelerated through the flow passage 147 of the device venturi 142. The flow passage 147 of the venturi device 142 may comprise a converging inlet, a narrow throat, a lateral opening for liquid introduction and a divergent outlet, which are configured to accelerate the flow of gas, pull liquid 111 through the side opening and discharge the dispersed liquid inside the downstream expansion chamber 148 formed by the upper part 146 of the diffuser head 140. The size and shape of the flow passage 140 can be configured based on the characteristics of the gas flow, the geometry of the gas feeder pipe 152 and the volume and speed of the gas necessary to effectively pull the liquid 111 upwards through the suction pipe 119 and atomize the liquid 111 in the venturi device 142.
[0039] [039] With continued reference to figure 5, the dispersed liquid may be discharged from the venturi 142 device with sufficient strength to cause at least a part of the atomized liquid particles suspended in the gas, particularly the relatively larger particles, to find and be reunited on the underside of the cartridge insert 170 which is provided opposite the venturi device 142, serving as an impact structure, preferably as a concave impact structure. More particularly, insert 170 may include a lower part with an indentation or depression 180 that includes an impact surface 182 to be reached by the dispersed liquid generated by the venturi device 142 during operation. In some cases, the impact surface 182 may be concave and may diverge in a downward direction to direct the liquid there condensed or collected radially outwards and downwards. In some embodiments, the impact surface 182 may be a conical or frustoconical surface. Liquid collected on the underside of insert 170 may drip or trickle into the dividing section 145 of the diffuser head 140, draining into the liquid reservoir through the passages 158 provided in the upper part 146 of the diffuser head 140 which and in some configurations can provide the only fluid communication between the expansion layer 148 and the internal cavity 113 of the housing 110 outside the diffuser head 140.
[0040] [040] As shown in figure 5, the insert 170 is positioned above the diffuser head 140 and comprises a body 171, an inlet 172 configured in the body 171 to receive the dispersed liquid, generated in the cartridge 100 during the operation of the liquid diffuser device , an exit zone 174 defined at least in part by the body 171 through which the liquid dispersed towards the external environment will be discharged and a tortuous passage 176 that extends between the area of the entrance 172 and the area of the exit 174 to assist in the further reduction of an average particle size of dispersed liquid as the dispersed liquid moves through the tortuous passage 176 during operation. Entrance 172 may be located on a periphery 173 of body 171, exit zone 174 may be located in a central region 175 of body 171 and tortuous passage 176 may be spiraled or extend in another convoluted way between the area of entrance 172 and exit area 174. The tortuous passage 176 may be at least partially defined by a vertical side wall 178 of the body 171. The side wall 178 can extend from the periphery 173 of the body 171 to the central region 175 of the body. body 171. A base 179 of insert 170 may be tilted or extending in a slope towards entry 178 to assist in redirecting the liquid that has precipitated out of the dispersed gas / liquid mixture or that has otherwise accumulated on the surfaces of the insert 170 as the mixture passes through the tortuous passage 176 during the return movement operation to collect any remaining liquid 111 in the internal cavity 113 surrounding the lower part 144 of the head 140 to be reintroduced into the gas stream through the venturi device 142.
[0041] [041] As shown in figure 5, the tortuous passage 176 may be open in an upward direction and may be limited at least partially with a corresponding section 117 of housing 110 where cartridge 100 is mounted to define an aerosol outlet in the remaining uncovered section in the exit zone 174. Insert 170 may also comprise a chamfer 177 or other feature or structure to interface with housing 110 to assist in aligning and adjusting insert 170 within cartridge 100, insofar as insert 170 it is positioned between the cartridge housing 110 and the diffuser head 140 in the assembled state. In the assembled state, the diffuser head 140 and the insert 170 extend longitudinally between the lower part of the housing 110b and the upper part of the housing 110a, defining a central core of the cartridge 100 that integrally traverses the housing 110 in a longitudinal direction.
[0042] [042] The body 171 of the insert 170 is preferably formed as a single unitary piece containing the tortuous passage 176, being coupled or otherwise positioned adjacent to the upper part 146 of the diffuser head 140 to close the expansion chamber 148. For example , in some cases, insert 170 may be shaped or otherwise configured as a piece of unitary material, such as a suitable plastic or polymeric material. The upper part 146 of the diffuser head 140 and the insert 170 can be of a size and shape to fit reciprocally. For example, the upper part 146 of the diffuser head 140 may contain a recess or a shelf 150 to receive and support the insert 170. In some embodiments, the insert 170 may be fixedly connected to the diffuser head 140 through a welding process by friction, ultrasonic welding or other joining techniques. Still in an additional character, although the diffuser head 140 and the insert 170 are described here as two separate components, positioned or joined, it is understood that the structures and characteristics of these components can be constituted as a single unitary piece, for example, by through an additional manufacturing process. In other cases, the structures and characteristics of the diffuser head 140 and the insert 170 may consist of more than two parts that are joined or otherwise coupled together. In the particularly advantageous embodiment, illustrated in figures 1 to 7, however, the removable cartridge 100 consists, or essentially consists, of the cartridge housing 110, of the diffuser head 140, of the cartridge insert 170, of the liquid 111 to be dispersed and of the duct or the tube 119 extending from a side section of the venturi device 142 of the diffuser head 140 to a lower area of the internal housing cavity 113 to enable the liquid 111 contained therein to be pulled into the pressurized gas path when moving through of the venturi device 142 during operation.
[0043] [043] According to the illustrated embodiment, the tortuous passage 176 is helical, making at least one complete turn around the central axis A. However, it is understood that the tortuous passage 176 can also have several different shapes. For example, tortuous passage 176 may consist of a curvilinear path that at least partially surrounds central axis A when extending from entrance 172 towards exit zone 174. In other cases, tortuous passage 176 may comprise a path with a plurality of straight segments in a reciprocal angular position to provide several turns. In still other cases, the twisting passage 176 may comprise a path that combines linear and non-linear path segments. The transverse shape of the tortuous passage 176 may also vary along the tortuous passage 176. For example, a cross-sectional profile of at least part of the tortuous passage 176 may narrow in a downward direction, that is, in a direction from the entrance 172 towards the exit zone 174. This narrowing of the tortuous passage 176 may additionally assist in refining the composition of the dispersed liquid to include only the finest liquid particles.
[0044] [044] Irrespective of a particular configuration, the tortuous passage 176 follows a non-linear path, which, among other things, helps to prevent leakage of liquid 111 from the cartridge 100 when the cartridge 100 is inverted in its position. For example, if the cartridge 100 is temporarily inverted, the curved passage 176 will help to slow the progression of the liquid 111 inside the cartridge 100 towards the exit zone 174 and, therefore, the exit 114 of the cartridge 100. In this way, the cartridge 100 can subsequently be placed in the vertical direction without loss of fluid. In addition, in the event that the cartridge 100 has its position inverted, starting to settle on its side, the cartridge 100 is so configured that the volume of liquid 111 supplied with the cartridge 100 will not rise above the central axis A of the cartridge 100 as shown in figure 7. In this way, the tortuous passage 176 will prevent the liquid 111 from squirting out of the exit 114, because the liquid 111 will not be able to travel through the entire tortuous passage 176, because at least a part of the passage winding 176 will be located above fluid level L2 of liquid 111.
[0045] [045] Again with reference to figures 2 to 4, it is understood that the housing 110 and internal components of the cartridge 100 define a plurality of different chambers downstream of the venturi device 142, through which the dispersed liquid passes sequentially before being loaded cartridge 100, finally reaching a surrounding environment. More particularly, the upper part 146 of the diffuser head 140 and a lower part of the insert 170 define a primary expansion chamber 148 immediately above the venturi device 142, a secondary chamber being provided on the outside of the diffuser head 140 and the insert 170 within the internal cavity 113 of the housing 110 above the fluid level L of the liquid 111 to be diffused and a tertiary chamber is formed by the tortuous passage 176 of the insert 170. Passages or openings 158 in the upper part 146 of the diffuser head 140 establish a fluid communication between the primary expansion chamber 148 and the secondary chamber. The upper part 146 of the diffuser head 140 also defines a bulkhead or bulkhead sections 156 that prevent the dispersed liquid, generated by the venturi device 142, from leaving the primary expansion chamber 148 by other means than the plurality of passages or openings 158. Inlet 172 or insert 170 establish fluid communication between the secondary chamber and the tertiary chamber (i.e., the tortuous passage 176). Although only an inlet 172 and a tortuous passage 176 are shown, providing the only passage for dispersed liquid to exit cartridge 100, it is understood that a plurality of inlets 172 may be provided to enable dispersed liquid to penetrate one or more passages curved, conductive to outlet 114 of cartridge 100. The different chambers described above (ie the primary expansion chamber, the secondary expansion chamber and the tertiary expansion chamber) collectively assist in refining the liquid to be dispersed, including only the finer liquid particles, as the liquid of the dispersion moves sequentially through the chambers during operation. For example, at the time when the gas / dispersion liquid mixture exits cartridge 100, there was some residence time in any of the different chambers to allow unwanted large liquid particles or drops to precipitate or separate from another. form of the mixture and are returned to the liquid reservoir in the internal cavity 113 of the external housing 110 of the diffuser head 140 for later atomization and dispersion. In this way, the removable cartridge 100 and its components can provide a cartridge solution for a diffuser device that has an effective factor, particularly efficient for the treatment of spaces with dispersed liquid, having extremely small liquid particles.
[0046] [046] Referring now to figures 8 to 10, another exemplary embodiment of a removable cartridge 200 for use with a diffuser device, configured to treat a space with dispersed liquid generated by a flow of pressurized gas that moves through of the cartridge 200. As shown in figure 8, the removable cartridge 200 may comprise a housing 210 with two or more sections or parts 210a, 210b coupled together to define, among other things, a fluid receptacle with an internal cavity 213 partially filled with liquid 211 to be dispersed. In some cases, the sections or parts of the housing 210a, 210b can be fixedly coupled together to prevent non-destructive disassembly of the removable cartridge 200, making it effectively tamper-proof. This may be desirable to prevent users from refilling and reusing a spent cartridge that may be ineffective or less effective for treating space due to degradation or residue formation within the cartridge 200, resulting from previous use. As an example, and with reference to figure 8, the section or parts of the housing 210a, 210b may have interlocking structures 220 that fit or otherwise couple together in a way that avoids a non-destructive disassembly of the housing 210 and, therefore, , from cartridge 200. A seal 222, such as a seal in the form of a 0-ring or other sealing device, may be provided between sections or parts of housing 210a, 210b near interlocking structures 220 to provide a tight seal leaking liquid when housing 210 is being assembled. In this way, the liquid 211 to be dispersed can be inhibited from leaking from the housing 210 at an interface between the sections or parts of the housing 210a, 210b. Upon depletion of liquid 211, cartridge 200 may be promptly removed and replaced with a similar cartridge 200 for continued treatment of the environment surrounding the diffuser device and empty cartridge 200 may be discarded as an intact unit or may be kept for renewal purposes .
[0047] [047] With reference to figure 8, the housing 210 of the cartridge 200 may comprise an upper part of the housing 210a and a lower part of the housing 210b fixedly coupled together. An inlet for cartridge 212 may be provided at one end of the bottom of the lower part of housing 210b to receive a flow of pressurized gas during operation and a cartridge outlet 214 may be constituted in the upper part of housing 210a for discharging dispersed liquid generated by the cartridge 200 during operation. The inlet of the cartridge 212 and the outlet of the cartridge 214 can be aligned along a central axis A2, defined by the housing 210. The housing 210 may be symmetrical and rotational around the central axis A2. For example, as shown in figure 8, housing 210 may resemble a generally cylindrical container or similar receptacle with rotational symmetry around the central axis A2. In other cases, the housing 210 may have an asymmetric configuration and the cartridge inlet 212 and the cartridge outlet 214 may not be vertically aligned along a common axis. Respective covers or plugs (not shown) may be provided for the temporary closure of cartridge inlet 212 and cartridge outlet 214 during storage, transportation or similar actions to prevent degradation or contamination of cartridge 200 or possible leakage of liquid 211 in it contained.
[0048] [048] Internal components and structures of the cartridge 200 and related functionality will now be described with reference to figure 8. According to the illustrated embodiment of the cartridge 200, the internal components and structures constitute, among other factors, a flow path through the cartridge 200 from cartridge inlet 212 to cartridge outlet 214, as shown by the arrows marked 230a-230h. When installed in a host diffuser device, the inlet of cartridge 212 is coupled with a source of pressurized gas 202 so that the gas can be periodically reinforced through cartridge 200 as shown in general by the arrows marked 230a-230h, to effect mixing with liquid 211, and leaving as a gas-liquid mixture, comprising particularly small liquid particles that are carried by the gas, generally described here as dispersed liquid.
[0049] [049] As shown in figure 8, the pressurized gas penetrates the cartridge 200 through the entrance of the cartridge 212 at one end of the bottom of the housing 210 and then flows through a diffuser head 240, provided inside the housing 210, which includes a venturi device 242 for pulling the trapped liquid 211 into the displacing gas stream, as well as a cartridge insert 270 before exiting the cartridge 200 through the outlet of the cartridge 214. More particularly, the pressurized gas enters the cartridge 200 through the cartridge inlet 212 at one end of the bottom of the housing 210m as shown by the arrow marked 230a, to then flow upwards through a gas feeder conduit 252 defined by an inner surface 254 of a lower section 244 of the diffuser head 240 as represented by the arrow marked 230b. Then, the gas flows through the venturi device 242, drawing liquid 211 from a liquid reservoir that surrounds the lower part 244 of the diffuser head 240 within the internal cavity 213 of the housing 210 to create a gas-liquid mixture comprising atomized liquid (also hereinafter referred to as dispersed liquid) which is discharged into an expansion chamber 248 formed by an upper part 246 of the diffuser head 240, shown by the arrow marked 230c. The dispersed liquid will then be directed to an impact structure or surface 282, located opposite the venturi device 242, where at least part of the dispersed liquid impacts and is collected in the impact structure or surface 282, being directed back to any remaining fluid 211 in the fluid reservoir to be reintroduced into the gas stream by the venturi device 242. At least some other part of the dispersed liquid is redirected to flow downwards around bulkhead sections 256 of the diffuser head 240, passing through passages 258 in the head diffuser 240, leading to a section of the internal cavity 213 of the housing above the fluid level L3 of the liquid 211 in the cartridge 200, as shown by the arrows marked 230d and 230e. From that point, part of the dispersed liquid may be collected on exposed internal surfaces of the housing 210 or other internal structures of the cartridge 200 or may otherwise be precipitated out of the gas and the atomized liquid, joining the liquid 211 in the reservoir of fluid to be reintroduced into the gas stream by the venturi device 242. Other parts of the dispersed liquid may be propelled into the cartridge insert 270 through an inlet 272 of this unit, as shown by the arrow marked 230f. From the inlet 272 of the insert 270, the dispersed liquid proceeds along a tortuous passage 276 (see figures 9 and 10) through the cartridge insert 270 as shown by the arrows marked 230g before passing through an outlet passage 251 in the housing 210 leading to the outlet of the cartridge 214 to be discharged from the cartridge 200, as shown by the arrow marked 230h. By following this convoluted route from the expansion chamber 248 to the outlet of the cartridge 214, the particle size distribution of the dispersed liquid is so refined that only particularly fine particles are successfully discharged from the cartridge 200, with the relatively larger particles being reunited on one or more surfaces of the internal structures and components of the cartridge 200 or otherwise being precipitated out of the gas, to reunite with the remaining liquid 211 in the liquid reservoir for reintroduction into the gas stream that crosses the venturi device 242.
[0050] [050] As shown in figure 8, the diffuser head 240 can comprise a unit body of diffuser head 241, comprising an upstream or downstream section 244 and a downstream or upstream section 246. For example, in some cases, the diffuser head 240 may be molded or otherwise formed as a unitary piece of material such as suitable plastic or polymeric material. The lower part 244 of the diffuser head 240 may be of a size and shape to fit closely in a corresponding section of the housing 210, as shown in figure 8 or to otherwise establish an interface with the housing 210 and may be attached together with the housing 210 through friction welding, ultrasonic welding or other joining processes to create a liquid tight seal between housing 210 and the bottom part 244 of the diffuser head 240. In some cases, as in the exemplified configuration of the diffuser head 240 shown in Figure 8, the lower part 244 of the diffuser head body 241 may include a flange 243 or other feature, such as a step, a projection, a projection, an indentation or a groove that interfaces with the housing 210 to assist in adjustment and adjustment. joining components.
[0051] [051] With continued reference to figure 8, the lower part 244 of the diffuser head body 241 comprises an internal surface 254 that defines the gas feeder conduit 252 that extends from the inlet of the cartridge 212 at the bottom end of the cartridge 200 in the direction of the venturi device 242. The gas feeder conduit 252 can also be partially defined by a dividing section 245 of the diffuser head body 241 that divides the upper part 246 of the diffuser head 240 from the lower part 244. The dividing section 245 separates and isolates the gas feed conduit 252 of the expansion chamber 248 except for a flow passage 247 through the venturi device 242, which provides the only fluid communication between the gas feed conduit 252 and the expansion chamber 248.
[0052] [052] With continued reference to figure 8, the liquid 211 to be dispersed may involve the lower part 244 of the diffuser head 240 in such a way that the gas penetrates the cartridge 200 from a bottom 218 of the cartridge 200, crossing a region of the diffuser head 240 surrounded by liquid 211 before reaching the venturi device 242. In the venturi device 242, the gas is accelerated through the flow passage 247, creating a lower pressure zone that attracts the liquid 211 to be dispersed through a section 219 which provides fluid communication between the liquid reservoir surrounding the lower part 244 of the diffuser head 240 and the venturi device 242. The initial volume of liquid 211 supplied with the cartridge 200 preferably does not fill the entire internal cavity 213 of the housing 210, but instead sets the fluid level L3 which is below the venturi device 242.
[0053] [053] As shown in figure 8, the diffuser head 240 can include a tube that receives a passage 249 in the dividing section 245 of the body of the diffuser head 241, in order to receive one end of the suction tube 219 and to position an outlet of the suction tube. suction 219 in fluid communication with the flow passage 247 of the venturi device 242, in such a way that the liquid 211 can be pulled in the pressurized gas path when it is being accelerated through the flow passage 247 of the venturi device 242. The flow passage of flow 247 of the venturi device 242 can comprise a converging inlet, a narrow throat, a side opening for introducing the liquid and a diverging outlet which are configured for accelerating the gas flow, for pulling the liquid 211 through the side entrance and for the discharge of liquid dispersed inside the expansion chamber 248 downstream, conformed by the upper part 246 of the diffuser head 240. The size and shape of the flow passage ow 247 can be configured based on the characteristics of the gas flow, the geometry of the gas feeder conduit 252 on the volume and speed of gas necessary to effectively pull liquid 211 up from the suction tube 219 and atomize the liquid 211 in the venturi device 242.
[0054] [054] With continued reference to figure 8, the dispersed liquid may be discharged from the venturi 242 device with sufficient strength to cause at least a part of the atomized liquid particles, suspended in the gas, particularly the relatively larger particles, to collide and be assembled on the underside of the cartridge insert 270 which is disposed opposite the venturi device 242 to serve as an impact structure, preferably being a concave impact structure. More particularly, insert 270 may comprise a lower part with an indentation or depression 280 that includes an impact surface 280 to be reached by the dispersed liquid, generated by the venturi device 242 during operation. In some cases, the impact surface 282 may be concave and may diverge in a downward direction to direct the condensed or collected liquid at that point radially outwards and downwards. In some embodiments, the impact surface 282 may be a conical or frustoconical surface. The liquid collected on the underside of insert 270 may drip or drain into the dividing section 245 of the diffuser head 240, draining into the liquid reservoir through the passages 258 provided in the upper part 246 of the diffuser head 240 which in some configurations can provide the only fluid communication between the expansion chamber 248 and the internal cavity 213 of the external housing 210 of the diffuser head 240.
[0055] [055] With reference to figures 8 to 10, the insert 270 is positioned above the diffuser head 240 and includes a body 271, an inlet 272 provided in the body 271 to receive a dispersed liquid, generated inside the cartridge 200 during the operation of the device liquid diffuser, an outlet zone 274 at least partially defined by the body 271, through which the dispersed liquid will be discharged towards an external environment, and a tortuous passage 276 that extends between the inlet 272 and the outlet zone 274 to assist in further reducing the average particle size of the dispersed liquid, as this dispersed liquid moves through the tortuous passage 276 during operation. Inlet 272 may be located at or near a periphery 273 of body 271, outlet zone 274 may be located in a central region 275 of body 271 and tortuous passageway 276 may be provided in a spiral shape or may extend from otherwise convoluted between the entrance 272 and the exit area 274. The tortuous passage 276 may be at least partially defined by a vertical side wall 278 of the body 271. The side wall 278 may extend from the periphery 273 of the body 271 inwards or towards the central region 275 of the body 271. A base 279 of the insert 270 may be tilted or extend in a slope towards the entrance 272 to assist in redirecting liquid that has been precipitated out of the gas / liquid mixture dispersed, which otherwise gathered on surfaces of the insert 270 as the mixture passed through the tortuous passage 270 during the return movement operation to collect any liquid paddles nescent 211 in the internal cavity 213 surrounding the lower part 244 of the diffuser head 240 to be reintroduced into the gas stream that passes through the venturi device 242.
[0056] [056] As shown in figures 8 and 9, the tortuous passage 276 may be open in an upward direction and may be at least partially limited by a corresponding section 217 of housing 210 when cartridge 200 is fully assembled, in order to define an aerosol outlet in a remaining section not covered in outlet zone 274. In assembled state, insert 270 may be positioned between cartridge housing 210 and diffuser head 240. In assembled state, diffuser head 240 and insert 270 extend longitudinally between the lower part of the housing 210b and the upper part of the housing 210a, defining a central core of the cartridge 200 that integrally crosses the housing 210 in a longitudinal direction.
[0057] [057] The body 271 of the insert 270 is preferably formed as a single unit piece comprising the tortuous passage 276, being coupled or otherwise positioned adjacent to the upper part 246 of the diffuser head 240 to cover the expansion chamber 248. For example , in some cases, insert 270 may be shaped or otherwise shaped as a unitary piece of material, such as a suitable plastic or polymeric material. The upper part 246 of the diffuser head 240 and the insert 270 can be of a size and shape to fit reciprocally. For example, the upper part 246 of the diffuser head 240 may include a recess or a shelf to receive and support the insert 270. In other cases, the upper part 246 of the diffuser head 240 and the insert 270 may be reciprocally aligned along surfaces planar. In some embodiments, the insert 270 may be fixedly attached to the diffuser head 240 through a friction welding process, ultrasonic welding or other joining techniques. In addition, although the diffuser head 240 and insert 270 are described here as two separate components, positioned or joined, it is understood that the structures and characteristics of these components can be constituted as a single unitary piece, for example, in a process additional manufacturing. In other cases, the structures and characteristics of the diffuser head 240 and the insert 270 may be provided by more than two parts that are joined or otherwise reciprocally coupled. In the particularly advantageous embodiment, illustrated in figures 8 to 10, however, the removable cartridge 200 consists, or essentially consists of the cartridge housing 210, the diffuser head 240, the cartridge insert 270, the liquid 211 to be dispersed and the conduit or tube 219 extending from one side of the venturi device 242 of the diffuser head 240 to a lower region of the internal housing cavity 213 to enable the liquid 211 contained therein to be pulled in the pressurized gas path when it travels through the venturi device 242 during operation.
[0058] [058] According to the illustrated modality, the tortuous passage 276 is helical and completes at least two complete turns over the central axis A2. It is understood, however, that the tortuous passage 276 can take a variety of different forms. For example, tortuous passage 276 may include a curvilinear path that at least partially describes a circle around the central axis A2 when it extends from entrance 272 to exit zone 274. In other cases, tortuous passage 276 may cover a course with a plurality of angular segments in a reciprocal and relative angular position to provide a number of turns. In still other cases, the curved passages 276 may include a path that combines segments of linear and non-linear paths. The transverse shape of the tortuous passage 276 may also vary along the tortuous passage 276. For example, a cross-sectional profile of at least part of the tortuous passage 276 may narrow in a downward direction, that is, in a direction from the entrance 272 towards the exit zone 274. This narrowing of the tortuous passage 276 can further assist in refining the composition of the dispersed liquid, in the sense of containing only the finest liquid particles.
[0059] [059] Irrespective of the respective configuration, the tortuous passage 276 follows a non-linear path, which, among other things, helps to prevent leakage of liquid 211 from the cartridge 200 when the cartridge 200 is in an inverted position. For example, if cartridge 200 is temporarily held in an inverted position, tortuous passage 276 will assist in slowing the progression of liquid 211 into cartridge 200 towards outlet zone 274 and therefore outlet 214 from cartridge 200 In this way, the cartridge 200 can then be placed in an upright position without loss of liquid. In addition, in the event that the cartridge 200 is inverted and starts to lie on its side, the cartridge 200 will be configured in such a way that the volume of liquid 211 supplied with the cartridge 200 does not rise above the central axis A2 of the cartridge 200. In this way, the tortuous passage 276 will prevent the liquid 211 from being squirted from the outlet 214, since the liquid 211 will be unable to move through the entire tortuous passage 276, because at least part of the tortuous passage 276 will be located above the level of fluid from the liquid 211.
[0060] [060] Again with reference to figure 8, it is understood that the housing 210 and internal components of the cartridge 200 define a plurality of different chambers downstream of the venturi device 242, through which the dispersed liquid moves sequentially before being discharged from the cartridge 200 and finally reaching a surrounding environment. More particularly, the upper part 246 of the diffuser head 240 and a lower part of the insert 270 define a primary expansion chamber 248 immediately above the venturi device 242 and a secondary chamber is provided outside the diffuser head 240 and the insert 270 within the internal cavity 213 of the housing 210 above the liquid level L3 of the liquid 211 to be dispersed, and a tertiary chamber is formed by the tortuous passage 276 of the insert 270. Passages or openings 258 in the upper part 246 of the diffuser head 240 establish a fluid communication between the primary expansion chamber 248 and the secondary chamber. The upper part 246 of the diffuser head 240 also defines a bulkhead or bulkhead sections 256 that prevent the dispersed liquid, generated by the venturi device 242, from leaving the primary expansion chamber 248 by routes other than the plurality of passages or openings 258. Inlet 272 of insert 270 establishes fluid communication between the secondary chamber and the tertiary chamber (i.e., the tortuous passage 276). Although only one inlet 272 and a tortuous passage 276 are shown providing the only passage for the dispersed liquid to exit the cartridge 200, it is understood that a plurality of inlets 272 may be provided to enable the dispersed liquid to penetrate one or more curved passages , conductive to outlet 214 of cartridge 200. The different chambers described above (that is, the primary expansion chamber, the secondary expansion chamber and the tertiary expansion chamber) collectively assist in refining the composition of the dispersed liquid to contain only the finer particles of liquid, as the dispersed liquid moves sequentially through the chambers during operation. For example, when the dispersed gas / liquid mixture exits cartridge 200, some dwell time has been recorded in each of the different chambers to allow liquid particles of undesirable size or drops to precipitate or otherwise separate from the mixture and are returned to the liquid reservoir inside the internal cavity 213 of the housing 210 on the outside of the diffuser head 240 for later atomization and dispersion. In this way, the removable cartridge 200 and its components can provide a cartridge solution for a diffuser device that has an efficient forming factor that is particularly effective for treating spaces with the dispersed liquid having extremely small liquid particles.
[0061] [061] In the present description, the outlet 114, 214 of the cartridge 100, 200 and / or the outlet of a host diffuser device allowed atomized liquid, generated inside the cartridge 100, 200, to flow directly into a space to be treated. However, cartridge 100, 200 could alternatively direct dispersed liquid to an overhead transport or distribution system. The air transport system could include a pipeline structure or other routes that would allow the liquid to be dispersed in a remotely located space or in a variety of such remotely located spaces. Thus, cartridge 100, 200 could be used to distribute and disperse liquid over an entire building, for example, through existing HVAC conduits.
[0062] [062] It is also provided that the cartridge 100 can be adapted to be mounted directly on a gasket, in a duct or source of compressed air without the need for internal assembly or as part of a host diffuser device. Such a liner could allow the cartridge 100, 200 to be positioned for air treatment within a single enclosed space, or it could be used to treat air flowing through an air transport system, treating multiple spaces. Alternatively, a plurality of similar cartridges 100, 200 could be used to treat individual spaces, but could be connected to the same gas source. The source of the compressed gas could then be centrally controlled for all treated spaces without the need or provision for local controls for each treated space. Or, each space could have a valve to control the gas flow through the cartridge 100, 200 and thus the strength or intensity of the treatment within a given space. Such local control valves could then allow the same or similar cartridges 100, 200 to be used in conjunction with a common gas source to treat a plurality of spaces of different sizes or configurations.
[0063] [063] It can also be noted that the different diffuser devices, removable cartridges 100, 200 and components described here may include some form of operational control, such as controls for the variation of pressure, speed, or timing of operations of an air compressor. integrated to provide a gas flow through cartridge 100, 200. In addition to the use of such controls to modify the volume of liquid dispersed by the devices and the corresponding degree of treatment of a space, the characteristics of the liquid to be dispersed can also affect the volume of liquid dispersed and the degree of treatment. For example, various viscous liquids can be dispersed more slowly. The density of the liquid may also affect the degree of treatment provided. These characteristics of the cartridge 100, 200 can also be considered when establishing controls related to the function and operation of the diffuser devices, within which the cartridges 100, 200 are integrated.
[0064] [064] In addition, the different modalities described above can be combined, providing other modalities. All US patents, US patent application publications, US patent applications, foreign patents, foreign patent applications and non-patent publications mentioned in this specification and / or listed in the data application form are incorporated herein. by reference in its entirety. Aspects of the modalities can be modified if necessary to use other characteristics, structures, functionalities or concepts of different patents, orders and publications to offer yet other configurations.
[0065] [065] Provisional US patent application serial number 61 / 982,504 filed on April 22, 2014 and US serial application number 14 / 612,072 filed on February 2, 2015 are hereby incorporated by reference, in their entirety.
[0066] [066] These and other modifications may be made to the modalities in the light of the detailed description above. In general, in the following claims, the terms should not be interpreted to limit the claims to the specific modalities revealed in the specification and the claims, but should be interpreted to include all possible configurations together with the full scope of equivalents , to which such claims are suitable. In this sense, the claims are not limited by the description.

权利要求:
Claims (27)
[0001]
Insert of a cartridge (170, 270) for use with a liquid diffuser device, the insert (170, 270) FEATURED for understanding: a body (171, 271); an inlet (172, 272) provided in the body (171, 271) for receiving dispersed liquid generated inside the cartridge (100, 200) during operation of the liquid diffuser device; an exit zone (174, 274) defined at least partially by the body (171, 271) through which the dispersed liquid is discharged towards an external environment; and a tortuous passage (176, 276) extending between the inlet (172, 272) and the outlet zone (174, 274) to assist in further reducing the average particle size of the dispersed liquid as the dispersed liquid becomes moves through the tortuous passage (176, 276), and where the entrance (172, 272) is located on a periphery of the body (171, 271), the exit zone (174, 274) is located in a central region (175, 275) of the body (171, 271), and the tortuous passage (176, 276) extends in a non-linear path between the entrance (172, 272) and the exit zone (174, 274).
[0002]
Insert, according to claim 1, CHARACTERIZED by the fact that the tortuous passage (176, 276) is open in an upward direction; wherein the tortuous passageway (176, 276) is at least partially defined by a vertical side wall of the body (171, 271).
[0003]
Insert, according to claim 1, CHARACTERIZED by the fact that the body (171, 271) is formed as a single unitary piece that includes the tortuous passage (176, 276).
[0004]
Insert of a cartridge (170, 270) for use with a liquid diffuser device, the insert (170, 270) FEATURED for understanding: a body (171, 271) formed as a single unitary piece that includes: an inlet (172, 272) provided in the body (171, 271) for receiving dispersed liquid generated inside the cartridge (100, 200) during operation of the liquid diffuser device; an exit zone (174, 274) defined at least partially by the body (171, 271) through which the dispersed liquid is discharged towards an external environment; and a tortuous passage (176, 276) extending between the inlet (172, 272) and the outlet zone (174, 274) to assist in further reducing the average particle size of the dispersed liquid as the dispersed liquid becomes moves through the tortuous passage (176, 276), and wherein a lower part of the body (171, 271) includes an indentation (180, 280) having an impact surface (182, 282) to be reached by the liquid dispersed during operation of the liquid diffuser, the impact surface (182 , 282) diverges in a downward direction to direct the liquid condensed there in a radial direction to the outside and in a downward way.
[0005]
Insert, according to claim 4, CHARACTERIZED by the fact that the tortuous passage (176, 276) follows a non-linear path that helps to prevent liquid leakage from the cartridge (100, 200) when the cartridge (100, 200) is in an inverted position.
[0006]
Insert of a cartridge (170, 270) for use with a liquid diffuser device, the insert (170, 270) FEATURED for understanding: a body (171, 271) formed as a single unitary piece that includes: an inlet (172, 272) provided in the body (171, 271) for receiving dispersed liquid generated inside the cartridge (100, 200) during operation of the liquid diffuser device; an exit zone (174, 274) defined at least partially by the body (171, 271) through which the dispersed liquid is discharged towards an external environment; and a tortuous passage (176, 276) extending between the inlet (172, 272) and the outlet zone (174, 274) to assist in further reducing the average particle size of the dispersed liquid as the dispersed liquid becomes it moves through the tortuous passage (176, 276), a cross-section of at least part of the tortuous passage (176, 276) narrowing in a downstream direction.
[0007]
Cartridge (100, 200) to be used with a liquid diffuser device, FEATURED by the fact that the cartridge (100, 200) comprises: a cartridge housing (110, 210) defining an internal housing cavity (113, 213) partially filled with a liquid to be dispersed; a diffuser head (140, 240) positioned inside the internal housing cavity (113, 213), the diffuser head (140, 240) including a venturi device (142, 242) for generating a dispersed liquid from the liquid contained in the cavity internal housing (113, 213); and an insert (170, 270) positioned downstream of the diffuser head (140, 240), the insert (170, 270) formed as a single unit piece that includes an inlet (172, 272) to receive the dispersed liquid generated by the venturi device (142, 242), an exit zone (174, 274) through which the dispersed liquid is discharged towards an external environment, and a tortuous passage (176, 276) extending between the entrance (172, 272) and the exit zone (174, 274).
[0008]
Cartridge (100, 200), according to claim 7, CHARACTERIZED by the fact that the tortuous passage (176, 276) of the insert (170, 270) is configured to assist in the further reduction of an average particle size of the dispersed liquid as the dispersed liquid moves through the tortuous passage (176, 276); wherein the tortuous passageway (176, 276) is partially limited by the cartridge housing (110, 210) to close a portion of the tortuous passageway (176, 276) and to define an aerosol outlet on a remaining uncoated portion; wherein the tortuous passageway (176, 276) is at least partially defined by a vertical side wall of the insert; wherein the tortuous passage (176, 276) follows a non-linear path that helps to prevent liquid leakage from the cartridge (100, 200) when the cartridge (100, 200) is in an inverted position; wherein the tortuous passage (176, 276) of the insert (170, 270) provides the only passage for the dispersed liquid generated by the venturi device (142, 242) to exit the cartridge (100, 200); the tortuous passage (176, 276) of the insert (170, 270) is configured to provide a convoluted flow path that slows a flow of liquid to be dispersed through the insert (170, 270) when the cartridge (100, 200) is being temporarily kept inverted.
[0009]
Cartridge (100, 200), according to claim 7, CHARACTERIZED by the fact that the entrance (172, 272) of the insert (170, 270) is located on a periphery of the same, the exit zone (174, 274) it is located in a central region (175, 275) of the insert, and the tortuous passage (176, 276) spirals between the entrance (172, 272) and the exit area (174, 274).
[0010]
Cartridge (100, 200) according to claim 7, CHARACTERIZED by the fact that a lower part of the insert (170, 270) includes an indentation (180, 280) having an impact surface (182, 282) to be reached the dispersed liquid generated by the venturi device (142, 242) during operation of the liquid diffuser device; wherein the impact surface (182, 282) diverges in a downward direction to direct liquid condensed there radially outwards and downwardly.
[0011]
Cartridge (100, 200), according to claim 7, CHARACTERIZED by the fact that the insert (170, 270) is positioned between the cartridge housing (110, 210) and the diffuser head (140, 240).
[0012]
Cartridge (100, 200), according to claim 7, CHARACTERIZED by the fact that an upper part (146, 246) of the diffuser head (140, 240) and a lower part of the insert (170, 270) define a primary expansion (148, 248) immediately above the venturi device (142, 242), in which a secondary chamber is provided on the outside of the diffuser head (140, 240) and the insert, and in which a tertiary chamber is provided by the passage tortuous (176, 276) of the insert; wherein the upper part (146, 246) of the diffuser head (140, 240) and the lower part of the insert (170, 270) define a primary expansion chamber (148, 248) immediately above the venturi device (142, 242) , and in which the primary expansion chamber (148, 248) is in fluid communication with the internal housing cavity (113, 213) on the outside of the diffuser head (140, 240) through a plurality of openings (158, 258) supplied in the upper part (146, 246) of the diffuser head (140, 240), where preferably: the upper part (146, 246) of the diffuser head (140, 240) defines a shield (156, 256) that prevents the dispersed liquid generated by the venturi device (142, 242) from leaving the primary expansion chamber (148, 248) in ways other than the plurality of openings (158, 258).
[0013]
Cartridge (100, 200), according to claim 7, CHARACTERIZED by the fact that an initial filling level of the liquid to be dispersed is below the venturi device (142, 242) when the removable cartridge (100, 200) is in the vertical position and below a central axis (A, A2) of the cartridge housing (110, 210) when the removable cartridge (100, 200) is in an inverted position and laterally seated, and where the tortuous passage (176, 276) of the insert (170, 270) is configured to provide a convoluted flow path that includes a part above the central axis (A, A2) when the cartridge (100, 200) is in the inverted position and is seated laterally to prevent the liquid from be spread across the entire tortuous passage (176, 276).
[0014]
Cartridge (100, 200) to be used with a liquid diffuser device, FEATURED by the fact that the cartridge (100, 200) comprises: a cartridge housing (110, 210) defining an internal housing cavity (113, 213) partially filled with a liquid; a diffuser head (140, 240) positioned inside the internal housing cavity (113, 213), the diffuser head (140, 240) including a venturi device (142, 242) for generating a dispersed liquid from the liquid contained in the cavity internal housing (113, 213); and an insert (170, 270) supplied downstream of the venturi device (142, 242), the insert (170, 270) including: a body (171, 271); an inlet (172, 272) provided in the body (171, 271) for receiving dispersed liquid generated inside the cartridge (100, 200) during operation of the liquid diffuser device; an exit zone (174, 274) defined at least in part by the body (171, 271) through which the dispersed liquid is discharged towards an external environment; and a tortuous passage (176, 276) extending between the inlet (172, 272) and the outlet zone (174, 274) to assist in further reducing the average particle size of the dispersed liquid as the dispersed liquid becomes moves through the tortuous passage (176, 276), the tortuous passage (176, 276) being opened in an upward direction, wherein the body (171, 271) of the insert (170, 270) is formed as a single unitary piece that includes the tortuous passage (176, 276).
[0015]
Cartridge (100, 200), according to claim 14, CHARACTERIZED by the fact that the inlet (172, 272) of the insert (170, 270) is located on a periphery of the body (171, 271), the exit zone (174, 274) is located in a central region (175, 275) of the body (171, 271) and the tortuous passage (176, 276) spirals between the entrance (172, 272) and the exit area (174, 274).
[0016]
Cartridge (100, 200) according to claim 14, CHARACTERIZED by the fact that a lower part of the body (171, 271) of the insert (170, 270) includes an indentation (180, 280) having an impact surface ( 182, 282) to be reached by the liquid dispersed during operation of the liquid diffuser device, in which preferably: the impact surface (182, 282) diverges in a downward direction to direct liquid condensed there radially outwards and downwardly.
[0017]
Cartridge (100, 200) according to claim 14, CHARACTERIZED by the fact that the tortuous passage (176, 276) of the insert (170, 270) is at least partially defined by a vertical side wall of the body (171, 271 ); wherein the tortuous passage (176, 276) of the insert (170, 270) follows a non-linear path that helps to prevent liquid leakage from the cartridge (100, 200) when the cartridge (100, 200) is in an inverted position.
[0018]
Cartridge (100, 200) according to claim 14, CHARACTERIZED by the fact that a cross-section of at least part of the tortuous passage (176, 276) of the insert (170, 270) narrows in a downward direction.
[0019]
Cartridge (100, 200) to be used with a liquid diffuser device, FEATURED by the fact that the cartridge (100, 200) comprises: a cartridge housing (110, 210), defining an internal housing cavity (113, 213) partially filled with a liquid to be dispersed; a diffuser head (140, 240) positioned inside the internal housing cavity (113, 213), the diffuser head (140, 240) including a venturi device (142, 242) for generating a dispersed liquid from the liquid contained in the cavity internal housing (113, 213); and an insert (170, 270) positioned downstream of the venturi device (142, 242), the insert (170, 270) formed as a single unit piece that includes an inlet (172, 272) to receive the dispersed liquid generated by the venturi device (142, 242), an exit zone (174, 274) through which the dispersed liquid is discharged towards an external environment, and a tortuous passage (176, 276) extending between the entrance (172, 272) and the exit zone (174, 274), the tortuous passage (176, 276) being partially limited by the cartridge housing (110, 210) to cover part of the tortuous passage (176, 276) and to define an aerosol outlet in a remaining uncovered part.
[0020]
Cartridge (100, 200), according to claim 19, CHARACTERIZED by the fact that the tortuous passage (176, 276) of the insert (170, 270) is configured to assist in the further reduction of an average particle size of the dispersed liquid as the dispersed liquid moves through the tortuous passage (176, 276); wherein the tortuous passage (176, 276) of the insert (170, 270) is at least partially defined by a vertical side wall of the insert; the tortuous passage (176, 276) follows a non-linear path that helps to prevent liquid leakage from the cartridge (100, 200) when the cartridge (100, 200) is in an inverted position; the tortuous passage (176, 276) of the insert (170, 270) provides the only passage for the dispersed liquid, generated by the venturi device (142, 242), to exit the cartridge (100, 200); the tortuous passage (176, 276) of the insert (170, 270) is configured to provide a convoluted flow path that slows a flow of liquid to be dispersed through the insert (170, 270) when the cartridge (100, 200) is being temporarily kept inverted.
[0021]
Cartridge (100, 200), according to claim 19, CHARACTERIZED by the fact that the entry (172, 272) of the insert (170, 270) is located on a periphery of the same, the exit zone (174, 274) it is located in a central region (175, 275) of the insert, and the tortuous passage (176, 276) spirals between the entrance (172, 272) and the exit area (174, 274).
[0022]
Cartridge (100, 200), according to claim 21, CHARACTERIZED by the fact that the insert (170, 270) is formed as a single unitary piece that includes the tortuous passage (176, 276); wherein the insert (170, 270) is provided between the cartridge housing (110, 210) and the venturi device (142, 242).
[0023]
Cartridge (100, 200) according to claim 21, CHARACTERIZED by the fact that a lower part of the insert (170, 270) includes an indentation (180, 280) having an impact surface (182, 282) to be reached by the dispersed liquid generated by the venturi device (142, 242) during operation of the liquid diffuser device, in which preferably: the impact surface (182, 282) diverges in a downward direction to direct liquid condensed there outwards and downwards.
[0024]
Cartridge (100, 200) according to claim 21, CHARACTERIZED by the fact that an upper part (146, 246) of the diffuser head (140, 240) and a lower part of the insert (170, 270) define a primary expansion (148, 248) immediately above the venturi device (142, 242), in which a secondary chamber is provided on the outside of the diffuser head (140, 240) and the insert, and in which a tertiary chamber is provided by the passage tortuous (176, 276) of the insert; wherein the upper part (146, 246) of the diffuser head (140, 240) and the lower part of the insert (170, 270) define a primary expansion chamber (148, 248) immediately above the venturi device (142, 242) , and in which the primary expansion chamber (148, 248) is in fluid communication with the internal housing cavity (113, 213) on the outside of the diffuser head (140, 240) through a plurality of openings (158, 258) supplied in the upper part (146, 246) of the diffuser head (140, 240), where preferably: the upper part (146, 246) of the diffuser head (140, 240) defines a shield (156, 256) that prevents the dispersed liquid, generated by the venturi device (142, 242), from leaving the primary expansion chamber (148, 248) by means other than the plurality of openings (158, 258).
[0025]
Cartridge (100, 200), according to claim 21, CHARACTERIZED by the fact that an initial filling level of the liquid to be dispersed is below the venturi device (142, 242) when the removable cartridge (100, 200) is in the vertical position and below a central axis (A, A2) of the cartridge housing (110, 210) when the removable cartridge (100, 200) is in an inverted position and laterally seated, and where the tortuous passage (176, 276) of the insert (170, 270) is configured to provide a convoluted flow path that includes a part above the central axis (A, A2) when the cartridge (100, 200) is in the inverted position and is seated laterally to prevent the liquid to be spread across the entire tortuous passage (176, 276).
[0026]
Cartridge (100, 200) to be used with a liquid diffuser device, FEATURED by the fact that the cartridge (100, 200) comprises: a cartridge housing (110, 210) defining an internal housing cavity (113, 213) partially filled with a liquid; a diffuser head (140, 240) positioned inside the internal housing cavity (113, 213), the diffuser head (140, 240) including a venturi device (142, 242) for generating a dispersed liquid from the liquid contained in the cavity internal housing (113, 213); and an insert (170, 270) supplied downstream of the venturi device (142, 242), the insert (170, 270) including: a body (171, 271) formed as a single unitary piece that includes: an inlet (172, 272) provided in the body (171, 271) for receiving the dispersed liquid generated inside the cartridge (100, 200) during operation of the liquid diffuser device; an exit zone (174, 274) defined at least in part by the body (171, 271) through which the dispersed liquid is discharged towards an external environment; and a tortuous passage (176, 276) extending between the inlet (172, 272) and the outlet zone (174, 274) to assist in further reducing the average particle size of the dispersed liquid as the dispersed liquid becomes moves through the tortuous passage (176, 276), and in which any dispersed liquid that leaves the cartridge (100, 200) must pass through the tortuous passage (176, 276).
[0027]
Cartridge (100, 200) to be used with a liquid diffuser device, FEATURED by the fact that the cartridge (100, 200) comprises: a cartridge housing (110, 210) defining an internal housing cavity (113, 213) partially filled with a liquid to be dispersed; a diffuser head (140, 240) positioned inside the internal housing cavity (113, 213), the diffuser head (140, 240) including a venturi device (142, 242) for generating a dispersed liquid from the liquid contained in the cavity internal housing (113, 213); and an insert (170, 270) positioned downstream of the venturi device (142, 242), the insert (170, 270) formed as a single unit piece that includes an inlet (172, 272) to receive the dispersed liquid generated by the venturi device (142, 242), an exit zone (174, 274) through which the dispersed liquid is discharged towards an external environment, and a tortuous passage (176, 276) extending between the entrance (172, 272) and the exit zone (174, 274), and in which any dispersed liquid that leaves the cartridge (100, 200) must pass through the tortuous passage (176, 276).

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法律状态:
2019-08-20| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|

---

2020-07-14| B07A| Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]|

---

2021-01-12| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|

---

2021-03-23| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 16/04/2015, OBSERVADAS AS CONDICOES LEGAIS. |

优先权:

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申请号 | 申请日 | 专利标题

---

US201414612072A| true| 2014-02-02|2014-02-02|

---

US14/612.072|2014-02-02|

---

US201461982504P| true| 2014-04-22|2014-04-22|

---

US61/982.504|2014-04-22|

---

PCT/US2015/026258|WO2015164186A1|2014-04-22|2015-04-16|Removable cartridge for liquid diffusion device and cartridge insert thereof|

---