CN116940252A - Cartridge for aerosol generating system - Google Patents
Cartridge for aerosol generating system Download PDFInfo
- Publication number
- CN116940252A CN116940252A CN202280013615.0A CN202280013615A CN116940252A CN 116940252 A CN116940252 A CN 116940252A CN 202280013615 A CN202280013615 A CN 202280013615A CN 116940252 A CN116940252 A CN 116940252A
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- CN
- China
- Prior art keywords
- aerosol
- compartment
- cartridge
- liquid
- particles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000443 aerosol Substances 0.000 title claims description 30
- 239000002245 particle Substances 0.000 claims abstract description 128
- 239000007788 liquid Substances 0.000 claims abstract description 120
- 239000000463 material Substances 0.000 claims abstract description 110
- 239000007787 solid Substances 0.000 claims abstract description 91
- 238000010438 heat treatment Methods 0.000 claims description 76
- 239000000758 substrate Substances 0.000 claims description 41
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 28
- 241000208125 Nicotiana Species 0.000 claims description 27
- 230000006698 induction Effects 0.000 claims description 16
- 238000009834 vaporization Methods 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 6
- 239000011324 bead Substances 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 4
- 230000005660 hydrophilic surface Effects 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims description 3
- 229910021536 Zeolite Inorganic materials 0.000 claims description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 2
- -1 flakes Substances 0.000 claims description 2
- 239000011888 foil Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 239000010457 zeolite Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000012634 fragment Substances 0.000 claims 1
- 239000008263 liquid aerosol Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 9
- 238000000926 separation method Methods 0.000 description 9
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 8
- 239000011148 porous material Substances 0.000 description 8
- 239000003571 electronic cigarette Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 238000011144 upstream manufacturing Methods 0.000 description 7
- 230000008016 vaporization Effects 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000000796 flavoring agent Substances 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 229910000640 Fe alloy Inorganic materials 0.000 description 3
- 229910000990 Ni alloy Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 235000011187 glycerol Nutrition 0.000 description 3
- 230000000391 smoking effect Effects 0.000 description 3
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 2
- 241000195940 Bryophyta Species 0.000 description 2
- 229910000531 Co alloy Inorganic materials 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 235000019437 butane-1,3-diol Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- ZDJFDFNNEAPGOP-UHFFFAOYSA-N dimethyl tetradecanedioate Chemical compound COC(=O)CCCCCCCCCCCCC(=O)OC ZDJFDFNNEAPGOP-UHFFFAOYSA-N 0.000 description 2
- 238000005108 dry cleaning Methods 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 235000019634 flavors Nutrition 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 235000011929 mousse Nutrition 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229960002715 nicotine Drugs 0.000 description 2
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 230000008569 process Effects 0.000 description 2
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- 239000010936 titanium Substances 0.000 description 2
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 description 2
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- KMZHZAAOEWVPSE-UHFFFAOYSA-N 2,3-dihydroxypropyl acetate Chemical compound CC(=O)OCC(O)CO KMZHZAAOEWVPSE-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 229910001200 Ferrotitanium Inorganic materials 0.000 description 1
- 239000004348 Glyceryl diacetate Substances 0.000 description 1
- 244000061176 Nicotiana tabacum Species 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 239000007961 artificial flavoring substance Substances 0.000 description 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 150000001728 carbonyl compounds Chemical class 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000788 chromium alloy Substances 0.000 description 1
- 235000019506 cigar Nutrition 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- IZMOTZDBVPMOFE-UHFFFAOYSA-N dimethyl dodecanedioate Chemical compound COC(=O)CCCCCCCCCCC(=O)OC IZMOTZDBVPMOFE-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 235000019443 glyceryl diacetate Nutrition 0.000 description 1
- 239000001087 glyceryl triacetate Substances 0.000 description 1
- 235000013773 glyceryl triacetate Nutrition 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 239000000419 plant extract Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000005373 porous glass Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 235000019505 tobacco product Nutrition 0.000 description 1
- 229960002622 triacetin Drugs 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/30—Devices using two or more structurally separated inhalable precursors, e.g. using two liquid precursors in two cartridges
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/42—Cartridges or containers for inhalable precursors
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/10—Devices using liquid inhalable precursors
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/20—Devices using solid inhalable precursors
Abstract
A cartridge for use with an aerosol-generating system, the cartridge comprising: a first compartment comprising a solid aerosol-forming material and a second compartment comprising a liquid aerosol-forming material stored in a liquid retaining element comprising loose solid particles configured to retain the liquid aerosol-forming material in interstices of the particles and surfaces of the particles; and an air permeable separating element separating the solid aerosol-forming material in the first compartment from the liquid aerosol-forming material in the second compartment. The first compartment is disposed downstream of the second compartment such that during passage of the aerosol-vapor through the solid aerosol-forming material, one or more components of the solid aerosol-forming material disposed within the first compartment are injected into the aerosol-vapor generated in the second compartment. The loosely packed solid particles are flexibly interconnected, thereby enabling flexible design and simple manufacture of the liquid retaining member.
Description
Technical Field
The present invention relates to an electronic aerosol generating system for generating inhalable aerosols, such as an electronic cigarette (electronic cigarette) or electronic cigarette (e-cigarette), and more particularly to an electronic aerosol generating system for generating aerosol vapors by electrically generating heat. In particular, the present invention relates to a cartridge for use in an aerosol-generating system comprising a solid aerosol-forming material and a liquid aerosol-forming material.
Background
Personal aerosol-generating systems, also known as electronic cigarettes or electronic cigarettes, which generate aerosols without burning tobacco, are considered to be a substitute for conventional combustion tobacco products such as cigarettes, cigars, and pipes. The use of electronic aerosol generating systems has gained widespread popularity due to health problems related to conventional smoking articles, such as the generation of well-known harmful chemical by-products associated with the combustion of smoking articles, including carbonyl compounds and carbon monoxide.
The personal aerosol-generating system is a battery-powered portable inhaler system comprising a mouthpiece portion, a heating chamber to receive and heat the aerosol-forming material, a vaporisation unit, typically a heating element, a power supply unit, and an electronic control unit. Vaporization occurs when the aerosol-generating material is heated to a temperature equal to or higher than the vaporization temperature of the aerosol-forming material. One example of a conventional aerosol-generating system may be configured to vaporize a liquid aerosol-forming material, such as a nicotine-containing liquid stored in a liquid reservoir. The liquid reservoir may be provided as a disposable part in the form of a cartridge which may further comprise a heating element. Alternatively, the liquid reservoir may be non-detachably integrated in the aerosol-generating device, wherein the liquid reservoir is configured to be refillable once the aerosol-forming material is depleted.
Some devices combine a liquid aerosol-forming material with a solid aerosol-forming material (such as a tobacco-based substrate) to impart a tobacco taste to an aerosol to be inhaled in an effort to provide a user with an experience that more closely simulates a smoking experience. In such an aerosol-generating system, aerosol vapors generated by the liquid aerosol-forming material are delivered through the solid aerosol-forming material upon heating by the heating element such that aerosols from the solid aerosol-forming material are entrained in the vapors. Such a cartridge configuration is disclosed in e.g. EP3145349B1, EP3145349B1 and EP3554291 A1. In the aerosol-generating system described above, the cartridge stores the liquid aerosol-generating material and the solid aerosol-generating material separately in the first and second portions of the cartridge to avoid mixing of these aerosol-generating materials in the cartridge. In such cartridges, the compartment for storing the liquid aerosol-forming material comprises a liquid retaining element, such as a porous material, typically a porous glass or ceramic, foam, sponge or fibrous wicking material. Meanwhile, in the cartridge, a compartment for storing the liquid aerosol-forming material is provided upstream of the compartment for storing the solid aerosol-forming material, such that aerosol vapor generated by the liquid aerosol-generating material is delivered through the solid aerosol-generating material to the mouthpiece air outlet. The cartridge may comprise a heating element for heating the liquid aerosol-forming material. The heating element may be integrated in the liquid retaining element. Alternatively, the heating element may be a separate detachable element attached to the reusable portion of the aerosol-generating system and may be inserted into the liquid retaining element during use.
In this case, the liquid retaining element further comprises a cavity configured to receive the heater when the cartridge is inserted into the device, which may complicate the manufacturing process. It may not be easy to manufacture the cavities in the porous material, as the porous material may fracture under stress. The manufacturing process may also generate residual particles, which may cause safety problems during use of the electronic cigarette. The brittle nature of the porous material may further limit the design of the liquid retaining element.
It may be desirable to provide a cartridge configuration that is simple and relatively easy to manufacture. It may also be desirable for the cartridge to include fewer elements to be provided or more reusable elements to reduce environmental impact.
Disclosure of Invention
According to a first aspect of the present invention there is provided a cartridge for an aerosol-generating system, the cartridge comprising: a cartridge housing divided into a first compartment and a second compartment; a first compartment comprising a solid aerosol-forming material; a second compartment comprising a liquid aerosol-forming material, wherein the liquid aerosol-forming substrate comprises loose-packed solid particles configured to retain aerosol-forming liquid in interstices of the particles and/or on surfaces of the particles; and an air permeable separating element disposed between the first compartment and the second compartment.
A liquid aerosol-forming substrate comprising loose solid particles absorbs liquid aerosol-generating material, thereby forming accumulated particles. In this way, the loose solid particles retain the liquid aerosol-generating material at the interstices between adjacent particles and prevent liquid leakage into the first compartment. The liquid aerosol-generating material may be stored within the second compartment without mixing with the solid aerosol-generating material stored in the first compartment.
An air permeable separation element disposed between the first compartment and the second compartment allows aerosol vapor generated by the liquid aerosol-generating material in the second compartment to be transported through the air permeable element to the first compartment containing the solid aerosol-forming material while preventing the solid aerosol-generating material in the first compartment from directly contacting the liquid aerosol-generating material in the second compartment during storage and use of the device.
In another aspect of the invention, an aerosol-generating system may comprise: a cartridge; and an aerosol-generating device comprising: a cavity for receiving at least a portion of a cartridge; a heating device configured to heat at least a portion of the liquid aerosol-forming material in the second compartment of the cartridge; a power supply; and a controller for controlling the supply of electrical power from the power source to the heating element.
The heating means may comprise a heating element arranged in the cavity of the aerosol-generating device such that the heating means is located in the vicinity of the first compartment of the aerosol-generating device. In use, at least a portion of the first compartment is heated by the heating element to a temperature at or above the vaporisation temperature of the liquid aerosol-generating material stored in the first compartment. In this way, during passage of aerosol vapour from the second compartment through the first compartment, the aerosol generated in the second compartment is subsequently injected into the one or more components of the solid aerosol-forming material stored within the first compartment.
The heating device may be provided with an elongate heating element provided in the distal end of the cavity of the aerosol-generating device. The elongate heating element may be a blade heating element. The blade-shaped heating element may be a resistive heating element. Alternatively, the heating element may be a susceptor element. The heating element is configured to penetrate a portion of the first compartment of the cartridge when the cartridge is inserted into the cavity of the aerosol-generating device.
In this case, the cartridge may comprise a pierceable seal configured to be pierced by the heating element when the cartridge is inserted into the aerosol-generating device. The pierceable seal may extend through the upstream end of the cartridge.
The heating element is preferably formed of titanium or stainless steel. Examples of other suitable materials include nickel alloys, chromium alloys, aluminum alloys, and iron alloys.
In a liquid retaining element according to any example of the invention comprising loose solid particles, the liquid on the surface causes the particles to cohere, the liquid forming bridges between adjacent particles to connect the particles, which allows the loose solid particles to have flexible interconnections between the particles. This allows the particles comprising the liquid retaining element to conform to the heating element inserted into the cartridge. During insertion of the heating element through the pierceable seal attached to the cartridge, the loose solid particles may rearrange their coordination to accommodate the shape of the heating element. This feature may reduce the complexity of the cartridge manufacturing process, reduce the production costs of cartridges, and improve the versatility of cartridges compared to using monolithic porous materials that require cavities to house heating elements.
The liquid retaining element comprising loose particles may also allow to reduce the risk of damaging the liquid retaining structure during insertion of the heating element. Furthermore, because the liquid retaining structure may be adapted to adapt the shape of the heating element, heat transfer from the heating element to the e-liquid may be improved. Furthermore, this feature may be advantageous in terms of the reusability of the cartridge material compared to a liquid retaining element formed from a monolithic porous material, as the particles may be relatively easily disintegrated, for example by dispersing loose solid particles into the liquid. As described later, any cleaning process established for solid particles may be used to clean individual disrupted particles.
Alternatively, the cartridge may be configured to be inductively heated by induction. In this case, the aerosol-generating device comprises an induction coil configured to heat a second compartment of the cartridge inserted into the heating chamber of the aerosol-generating device.
In an aerosol-generating system in which the liquid aerosol-forming material is vaporised by induction heating, the second compartment may further comprise a susceptor element.
The susceptor element may comprise an inductively heatable material in the form of a strip, a disc, a ring, a plate, particles, flakes, or a coil.
Suitable materials for the susceptor element may be ferromagnetic metals, alloys and oxides, such as iron, nickel, cobalt, iron alloys, nickel alloys, cobalt alloys, ferrites, or any other electrically conductive metals and alloys, such as aluminum, stainless steel.
Preferably, the susceptor element is embedded in the liquid aerosol-forming substrate for achieving efficient heat transfer. The susceptor element may comprise particles, flakes, strips, discs or the like mixed with loose solid particles of a liquid aerosol-forming substrate.
Alternatively, the susceptor element may be arranged around at least a portion of the liquid aerosol-forming substrate. The housing of at least a portion of the aerosol-generating second compartment may comprise susceptor material.
The solid aerosol-forming material may comprise tobacco or tobacco-derived material. The solid aerosol-forming material may comprise tobacco-containing beads, powders, flakes, rods, reconstituted tobacco material, cast tobacco sheet, or any combination thereof.
The air permeable separation element includes one or more apertures, holes, or air channels that penetrate the thickness of the air permeable separation element to maintain the solid aerosol-forming material in the first compartment and the liquid aerosol-forming material within the loose solid particles retained in the second compartment physically separated while establishing aerosol transfer between the first compartment and the second compartment. Preferably, the air permeable separation membrane is a mesh, perforated plate, film or foil, or an air permeable membrane. Preferably, the pores, holes, or air passages of the air permeable element are small enough to block substantially all individual ones of the loose particles in the liquid retaining element.
The air permeable separation membrane may be stainless steel, titanium, heat resistant polymer, PTFE, PEEK or any material that is stable at the operating temperature of the aerosol-generating system and chemically inert to the aerosol-forming material stored in the cartridge and any chemical compounds generated by the aerosol-forming material during use. In this way, the liquid aerosol-generating material may be stored in the second compartment without undergoing any unintended chemical reactions.
Loose solid particles include beads, flakes, pieces, fibers, or any combination thereof.
Preferably, the loose solid particles are stable at least up to the vaporization temperature of the liquid aerosol-forming material. Preferably, at least the surface of the loose solid particles is thermally stable at least up to 350 ℃. Preferably, the loose solid particles, or at least the surface of the loose solid particles, comprise a material that is chemically inert to the liquid aerosol-forming material.
The chemically inert surface prevents the particles from chemically reacting or otherwise potentially acting as a catalyst to initiate undesirable chemical reactions during storage and vaporization of the cartridge. The chemically inert surface may be the chemically inert surface of the solid particles themselves. Alternatively, the chemically inert surface may be a chemically inert coating encapsulating each solid particle. Chemical inertness is herein understood to be with respect to the chemicals stored in the cartridge and the chemicals generated during heating of the aerosol-forming substrate.
The chemically inert coating and the particles should withstand at least temperatures up to the temperatures used to vaporize the aerosol-forming material.
Preferably, the loose solid particles comprise a hydrophilic surface. In this way, the liquid aerosol-generating material may be effectively retained in the interstices and surfaces of the particles.
The hydrophilic surface of the particles may be the surface of the solid particles themselves. Alternatively, the surface of the particles may be coated with a hydrophilic coating, or the surface of the particles may be grafted with chemical compounds including hydrophilic functional groups such as hydroxyl, carboxyl, carbonyl, amino, mercapto, and phosphate groups.
Suitable materials for the loose solid particles may include silica, zeolite, glass or quartz, or any combination thereof.
Advantageously, the surface of the particles may be porous, such that the amount of liquid stored in the liquid retaining structure may be increased.
Preferably, the loose solid particles comprise particles having a largest dimension of at least equal to or less than about 2 mm. For example, the largest dimension of the beads may be in the range of about 100 μm to about 1mm, or may be in the range of about 200 μm to about 800 μm, preferably may be in the range of about 250 μm to about 600 μm. For example, the maximum dimension is about 500 μm. The largest dimension of the loose solid particles is substantially uniform. In this way, the size of the gaps between adjacent particles is substantially uniform, which results in a uniform liquid transport by capillary forces over the liquid retaining element.
Advantageously, cartridges comprising loose solid particles for retaining liquid aerosol-forming material may be recyclable after use of the cartridge. Because the loose solid particles are not rigidly interconnected to each other, the particles can be easily separated from the cartridge housing and the heating element and can be broken down into individual particles, for example by dispersing the particles into a liquid. The broken down individual particles may be cleaned by any suitable method of cleaning the particles and the particles may be reused. Because conventional liquid retaining materials (such as porous materials, microfibrous materials, and sponges) are generally not easy to clean due to their complex structure, simple recovery processes can be achieved using loose solid particles.
One example of a method of recycling cartridges includes the steps of: separating loose solid particles from the spent cartridge; dispersing the used particles in a suitable cleaning solution to remove residues of liquid aerosol-forming material; filtering to separate particles from the cleaning solution; dispersing the particles in a rinse solution; filtering to separate particles from the rinse solution; drying the granules; and collecting the particles for reuse. The cleaning method may further include a step of dry cleaning such as plasma cleaning and thermal cleaning. Optionally, the cleaned particles are subjected to a hydrophilic treatment to improve the wettability of the liquid aerosol-forming material.
Drawings
Embodiments of the invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 shows a cross-sectional view of a cartridge in an embodiment of the invention.
Fig. 2 shows a cross-sectional view of an aerosol-generating device configured to receive the cartridge shown in fig. 1.
Fig. 3 shows a cross-sectional view of an aerosol-generating system comprising the cartridge of fig. 1 received in the aerosol-generating device of fig. 2.
Fig. 4 shows a cross-sectional view of a cartridge in another embodiment of the invention.
Fig. 5 shows a cross-sectional view of an aerosol-generating device configured to receive the cartridge shown in fig. 4.
Fig. 6 shows a cross-sectional view of an aerosol-generating system comprising the cartridge of fig. 4 received in the aerosol-generating device of fig. 5.
Fig. 7 shows an example of a method of recovering cartridges.
Detailed Description
Fig. 1 to 3 show an aerosol-generating system 1 comprising a cartridge 10 and an aerosol-generating device 30 according to an embodiment of the invention. The cartridge is configured to be received in the heating chamber 35 of the aerosol-generating device 30. The cartridge 10 and the aerosol-generating device 30 may be removably engaged in functional relationship. A variety of different mechanisms may be used to connect the cartridge and the aerosol generating device, including threaded engagement, press fit engagement, interference fit, magnetic engagement, etc. The aerosol delivery system 1 may be generally rod-shaped when the cartridge 10 and the aerosol-generating device 30 are assembled.
Fig. 1 shows the cartridge 10 separated from the aerosol-generating device 30. The cartridge 10 comprises a cartridge housing 11 and an air permeable separating element 16 dividing the interior volume of the cartridge housing 11 into a first compartment 12 and a second compartment 13. The first compartment 12 is arranged downstream of the second compartment 13 with reference to the air flow direction a. The first compartment 12 comprises a solid aerosol-forming substrate 20 and the second compartment 13 comprises a liquid aerosol-forming substrate 21.
The cartridge housing 11 includes a tubular body 22, an upstream end 18, and a downstream end 17.
The downstream end 17 of the cartridge 10 may include a filter 15. The filter 15 retains the solid aerosol-forming substrate 20 in the cartridge housing 11. The filter may include a rod or plug made of a filter material such as cellulose acetate tow and polylactic acid fibers.
The upstream end 18 of the cartridge housing 11 is a closed end. The closed end includes a pierceable member 16. The pierceable element 16 is attached to the cartridge housing 11 such that when the cartridge 10 is inserted into the heating chamber 35 of the aerosol-generating device 30, the pierceable element 16 is penetrated by the heating element 32 of the aerosol-generating device 30.
The downstream end 17 of the cartridge housing 11 may include a mouthpiece 19 that is detachably attached to the downstream end 17 of the cartridge 10. The suction nozzle 19 defines at least one air flow channel comprising at least one air outlet. The air outlet is in fluid communication with the air outlet of the cartridge through a filter 15, which may be integrated in the mouthpiece 19. Although the example in fig. 1 shows the mouthpiece attached to the distal end of the cartridge, alternatively the mouthpiece 19 may be detachably attached to a portion of the housing of the aerosol-generating device 30 such that the mouthpiece covers the air outlet on the filter provided at the downstream end of the cartridge. Alternatively, the mouthpiece 19 may be part of the cartridge 10. In use, a user may draw air from the mouthpiece, causing air to flow from the air inlet of the aerosol-generating device through the cartridge into the aerosol-generating system 1.
An air permeable separating element 14 is arranged within the inner volume of the tubular cartridge housing 11 to divide into a first compartment 12 and a second compartment 13. Preferably, the air permeable element 14 is in the form of a disc. The diameter of the disc approximates the inner diameter of the cartridge housing such that the air permeable separating element fits within the inner tubular body of the air permeable separating element. In this way, the first compartment 12 and the second compartment 13 are defined by the inner wall of the cartridge housing 11 and the surface of the air permeable element 14. The air permeable separating element 14 may comprise a mesh or a perforated plate. The air permeable separation element may be positioned substantially perpendicular to the longitudinal axis of the cartridge body 200, wherein the separation element may provide physical separation of the first compartment 12 and the second compartment 13 while maintaining aerosol vapor communication therebetween.
The first compartment 12 is positioned on the downstream side of the tubular body 22 of the cartridge and the second compartment 13 is positioned on the upstream side of the tubular body of the cartridge 10. The first compartment contains a solid aerosol-forming substrate 20 comprising a solid aerosol-forming material 23, and the second compartment contains a liquid aerosol-forming substrate 21 comprising a liquid retaining element 25 and a liquid aerosol-forming material 27 stored in the liquid retaining element 25. The liquid retaining member 25 comprises loose solid particles 26.
Loose particles 26 are particulate material that is an aggregate (or aggregate) of small solid particles that are visible to the naked eye. When particles are wetted by a liquid, microscopic liquid bridges are formed in the interstices between adjacent particles, the capillary forces of the liquid bridges holding the aggregated particles together. Thus, the network of particles is flexible and reconfigurable upon application of mechanical stress. When a solid large element (e.g., a heater blade) is inserted into the agglomerate, the particles move to change coordination to adapt the heater shape.
Preferably, loose solid particles 26 comprise particles having a largest dimension of at least equal to or less than about 2 mm. For example, the largest dimension of the beads may be in the range of about 100 μm to about 1mm, or may be in the range of about 200 μm to about 800 μm, preferably may be in the range of about 250 μm to about 600 μm. For example, the maximum dimension is about 500 μm. The largest dimension of loose solid particles 26 is substantially uniform. In this way, the size of the gaps between adjacent particles 26 is substantially uniform, which results in a uniform liquid transport by capillary forces across the liquid retaining element.
For the expression "maximum dimension", for example in the case of elongated particles resembling a rod, the maximum dimension is the length of the rod. For particles with an elliptical cross-section, the largest dimension is the major diameter along the major axis. In the case where the particles are substantially spherical, the largest dimension corresponds to the diameter.
Preferably, the loose solid particles 26 are stable at least up to the vaporization temperature of the liquid aerosol-forming material, for example up to 350 ℃.
In the context of this specification, a material is "stable" when the material properties do not change, or at least do not undergo any significant change. The material properties are, for example, phases (solid phase, liquid phase, gas phase), mechanical properties (strength, hardness, etc.), crystal structures, and chemical properties (chemical components, chemical structures of constituent components, etc.).
Preferably, the loose solid particles 26, or at least the surface of the loose solid particles 26, comprise a material that is chemically inert to the liquid aerosol-forming material.
The chemically inert surface may be the chemically inert surface of the solid particles themselves. Alternatively, the chemically inert surface may be a chemically inert coating encapsulating each solid particle. Chemical inertness is herein understood to be with respect to the chemicals stored in the cartridge and the chemicals generated during heating of the aerosol-forming substrate.
The chemically inert coating and the particles should withstand at least temperatures up to the temperature used to vaporize the aerosol-forming material 27.
The loose solid particles 26 are configured to retain the aerosol-forming liquid in the interstices of the particles and the surfaces of the particles. In detail, as described above, the particles are aggregated together through liquid bridges formed between the particles. This phenomenon in turn keeps the liquid in an aggregated particle structure. The absorption capacity is related to the volume of liquid bridges formed in the interstices between adjacent particles, which also determines the aggregation forces of the particles.
The liquid aerosol-forming material 27 comprises an aerosol-former. Suitable aerosol formers include polyols or mixtures thereof such as propylene glycol, triethylene glycol, 1, 3-butanediol, and glycerol. The liquid aerosol-forming substrate may comprise water, solvents, ethanol, plant extracts, natural flavors or artificial flavors.
The liquid aerosol-forming material 27 comprises a tobacco-containing material that includes volatile tobacco flavor compounds that are released from the liquid upon heating. Preferably, the liquid aerosol-forming substrate may comprise a non-tobacco material. The liquid aerosol-forming material 27 may be nicotine-free. Alternatively, the liquid aerosol-forming substrate may comprise nicotine.
The solid aerosol-forming material 23 of the solid aerosol-forming substrate 20 may comprise tobacco or tobacco-derived material, such as tobacco leaf or reconstituted tobacco in the form of particles, sheets, strips, chips, pellets, or any other form of tobacco material. The solid aerosol-forming substrate 20 may be an aerated tobacco mousse or equivalent tobacco foam.
The solid aerosol-forming substrate 20 may comprise non-tobacco material, such as flavourant in the form of particles, capsules, gels, or any other form of flavourant. The solid aerosol-forming substrate 20 may comprise tobacco-containing material and tobacco-free material.
In the context of the present specification, the tobacco-containing material may be tobacco leaf, powdered tobacco plant, tobacco mousse, reconstituted tobacco material, as well as any form of tobacco material.
The solid aerosol-forming substrate 20 may comprise at least one aerosol-former. Suitable aerosol formers include, but are not limited to: polyols such as propylene glycol, triethylene glycol, 1, 3-butanediol, and glycerol; esters of polyhydric alcohols, such as monoacetin, diacetin or triacetin; and aliphatic esters of monocarboxylic, dicarboxylic, or polycarboxylic acids, such as dimethyl dodecanedioate and dimethyl tetradecanedioate. Preferred aerosol formers may include propylene glycol and glycerin.
Fig. 2 shows an aerosol generating device 30. The aerosol-generating device 30 comprises a housing 31, a heating chamber 35 defined by the housing 31, a heating element 32, a power source 33, and a controller 34. The heating chamber 35 is configured to receive at least a portion of the second compartment 13 of the cartridge 10 by inserting the cartridge 10 along the longitudinal axis of the aerosol-generating device 30. The heating element 32 is disposed at a bottom end 36 (or distal end) of the heating chamber 35. The heating element 32 protrudes into the heating chamber 35. Preferably, the heating element 32 is disposed at substantially the center of the cross section of the heating chamber 35. The longitudinal axis of the heating element 32 may be aligned with the longitudinal axis of the aerosol-generating device 30. The housing 31 of the aerosol-generating device 30 further comprises at least one airflow inlet (not shown) in fluid communication with the air inlet channel of the cartridge 10.
In use, as shown in fig. 3, the upstream end portion of the cartridge 10 (the portion corresponding to the second compartment 13) is inserted into the heating chamber 35 of the aerosol-generating device 30. Although the housing 31 of the aerosol-generating device 30 extends to cover part of the second compartment in the example illustrated in fig. 3, the housing may extend up to at least part of the first compartment or the housing may extend to the downstream end 17 of the cartridge such that the cartridge is fully disposed within the heating chamber 35.
During insertion of the cartridge 10, the pierceable element 16 on the cartridge 10 is penetrated by the heating element 32, allowing insertion of the heating element 32 into the second compartment 13. When the heating element 32 is inserted into the liquid aerosol-forming substrate 21, the loose solid particles 26 immediately reconstruct their arrangement to fit the shape of the heating element. When the cartridge 10 is fully inserted into the heating chamber 35, the heating element 32 is positioned within the second compartment 13. The length of the heating element 32 is shorter than the longitudinal length of the second compartment 32 of the cartridge 10, such that the heating element 32 inserted into the cartridge 10 does not extend beyond the second compartment 13.
Preferably, the volume of the liquid aerosol-forming substrate 21 stored in the second compartment 13 is smaller than the inner cavity volume of the second compartment 13, such that the total volume of the liquid aerosol-forming substrate 21 and the inserted portion of the heating element 32 does not exceed the inner cavity volume of the second compartment 13 during or after insertion of the heating element into the cartridge.
Upon activation of the heating element 32, the liquid aerosol-forming substrate 21 (which comprises the liquid aerosol-forming material 27 and loose particles 26 retaining the liquid aerosol-forming material 27) is heated to a temperature at or above the vaporization temperature of the liquid aerosol-forming material 27. The vapor generated in the second compartment 13 is then mixed with air from the air inlet and delivered through the first compartment 12 to the air outlet of the filter 15. During passage of the mixture of air and vapor through the solid aerosol-forming substrate 20 in the first compartment 12, aerosol from the solid aerosol-forming substrate 20 is entrained in the mixture of air and vapor.
Fig. 4 shows a cross-sectional view of a cartridge 40 in another embodiment of the invention. In this embodiment, the second compartment 43 of the cartridge 40 further comprises a susceptor element 44 configured to heat the liquid aerosol-forming substrate 21. The susceptor element 44 may comprise an inductively heatable material in the form of, for example, a strip, a disc, a ring, a plate, particles, flakes, and a coil. Suitable materials for the susceptor element may be ferromagnetic metals, alloys and oxides, such as iron, nickel, cobalt, iron alloys, nickel alloys, cobalt alloys, ferrites, or any other electrically conductive metals and alloys, such as aluminum, stainless steel. In this example, the susceptor element 44 comprises three annular susceptor plates 44a, 44b, 44c, but any number of susceptor means may be used, and the type of susceptor may be in any other form, such as a disc, a strip, a plate, or a combination thereof. Preferably, the susceptor element 44 is embedded in the liquid aerosol-forming substrate 21 for achieving efficient heat transfer. The susceptor element may comprise particles, flakes, strips, discs or the like mixed with loose solid particles of a liquid aerosol-forming substrate. Alternatively, the susceptor element may be arranged around at least a portion of the liquid aerosol-forming substrate. The housing of at least a portion of the aerosol-generating second compartment may comprise susceptor material.
The cartridge housing 41 may include one or more air inlet channels (not shown) configured to deliver air into the second compartment 43. The air inlet channel may be provided in the tubular body of the cartridge housing 41.
Fig. 5 shows an aerosol-generating device 50 configured to receive the cartridge 40 of fig. 4. The aerosol generating device 50 comprises a heating chamber 55, an induction coil 52, a power source 33 and a controller 34. The heating chamber 55 is configured to receive at least a portion of the second compartment 43 of the cartridge 40 by inserting the cartridge 40 along the longitudinal axis of the aerosol-generating device 50. The induction coil 52 is configured to transfer energy to the susceptor element 44 in the cartridge 40 by induction heating. The induction coil 52 is arranged such that when the cartridge 40 is inserted into the heating chamber 55, the coil is disposed adjacent the second compartment 43 (liquid aerosol-forming substrate 21) of the cartridge 40. The induction coil 52 may be embedded in the housing 51, typically in a tubular sidewall portion of the heating chamber 55. In this example, the induction coil extends from an upstream end of the second compartment to a downstream end of the second compartment. The housing 51 of the aerosol-generating device 50 further comprises an air flow inlet (not shown) in fluid communication with the air inlet channel of the cartridge 40.
In use, as shown in fig. 6, the second compartment 43 of the cartridge 40 is inserted into the heating chamber 55 of the aerosol-generating device 50. When the cartridge 40 is fully inserted into the heating chamber 55, the induction coil 52 surrounds at least a portion of the liquid aerosol-forming substrate 21 in the second compartment 55 of the cartridge 50.
Upon activation of the induction coil 52, power from the power source 33 is delivered to the induction coil. The controller 34 controls the delivery of power to the induction coil 52 at a frequency that allows the induction coil 52 to generate an electromagnetic field to heat the susceptor element 44 at or above a target temperature. Upon heating the susceptor element 44, at least a portion of the liquid aerosol-forming substrate is heated at or above a certain temperature at which the liquid aerosol-forming material stored in the liquid aerosol-forming substrate 21 is vaporised. The vapor generated in the second compartment 43 is then mixed with the air flowing through the cartridge 40. The mixture of vapor and air from the liquid aerosol-forming substrate 21 is then transferred through the air permeable separation member 14 to the first compartment 42. During passage of the mixture of air and aerosol vapor through the solid aerosol-forming substrate 20 in the first compartment, aerosol from the solid aerosol-forming substrate 20 is entrained in the mixture of air and aerosol vapor. The mixture of air and aerosol vapor is delivered through the first compartment 42, through the filter 15, to an air outlet on the downstream end 47 of the cartridge 40.
Because loose solid particles in a liquid aerosol-forming substrate are not rigidly interconnected, the particles may be separated by, for example, dispersing the particles into a liquid. This is advantageous in terms of the reusability of the cartridge, since the individually separated particles can be cleaned effectively by any cleaning method established for small particles.
Fig. 7 illustrates an example of a method of recovering a cartridge comprising loose solid particles, according to one embodiment. The methods described below are intended to be illustrative only and may include alternative steps or one or more additional steps.
At step 60, a used cartridge is provided. The loose solid particles forming the liquid retaining structure may then be removed from the cartridge housing and collected in a container comprising a filter element (step 61). The container may be a basket comprising a metal mesh, wire or plastic mesh.
The loosely packed solid particles in the container are then cleaned in a cleaning liquid (step 62). The particles are immersed and dispersed in a suitable cleaning solution to remove residues of the liquid aerosol-forming material and any chemical compounds generated during use of the cartridge.
Subsequently, the container containing the particles is removed from the cleaning liquid and brought into a rinse solution (step 64) to remove residual cleaning solution on the particles. The cleaning step and the rinsing step may be repeated. These steps may be performed by combining with ultrasonic vibration.
Thereafter, the granules are dried (step 65). The cleaning method may further comprise one or more additional steps of a dry cleaning process, such as plasma cleaning or thermal cleaning or a combination thereof. Optionally, the cleaned particles may be subjected to a hydrophilic treatment to improve the wettability of the e-liquid.
Claims (15)
1. A cartridge for an aerosol-generating system, the cartridge comprising:
a cartridge housing divided into a first compartment and a second compartment;
the first compartment comprising a solid aerosol-forming material;
the second compartment comprising a liquid aerosol-forming substrate, wherein the liquid aerosol-forming substrate comprises a liquid retaining structure comprising loose solid particles configured to retain liquid aerosol-forming material in interstices of the particles and/or on surfaces of the particles; and
an air permeable separating element disposed between the first compartment and the second compartment.
2. A cartridge according to claim 1, wherein the solid aerosol-forming material comprises tobacco or a tobacco-derived material.
3. The cartridge according to claim 1, wherein the air permeable separating element is a mesh, perforated plate, film or foil, or an air permeable membrane configured to keep the solid aerosol-forming material in the first compartment and the liquid aerosol-forming material retained within the loose solid particles in the second compartment physically separated while establishing aerosol transfer between the first compartment and the second compartment.
4. A cartridge according to any one of the preceding claims, wherein at least the surface of the loose solid particles is stable at least up to the vaporisation temperature of the liquid aerosol-forming material.
5. The cartridge according to claim 4, wherein at least the surface of the loose solid particles is thermally stable at least up to 350 ℃.
6. A cartridge according to any one of the preceding claims, wherein the loose solid particles, or at least the surface of the loose solid particles, comprise a material that renders the liquid aerosol-forming material chemically inert.
7. A cartridge according to any one of the preceding claims, wherein the loose solid particles comprise beads, flakes, fragments, fibres, or any combination thereof.
8. A cartridge according to any one of the preceding claims, wherein the loose solid particles comprise a hydrophilic surface.
9. A cartridge according to any one of the preceding claims, wherein the loose solid particles comprise silica, zeolite, glass or quartz, or any combination thereof.
10. A cartridge according to any one of the preceding claims, wherein the loose solid particles comprise particles having a maximum dimension of at least equal to or less than about 2 mm.
11. A cartridge according to any one of the preceding claims, wherein the cartridge comprises a pierceable seal provided on the cartridge housing of the second compartment.
12. A cartridge according to any one of claims 1 to 9, wherein the second compartment comprises an inductively heatable susceptor element, which susceptor element is heatable by induction.
13. An aerosol-generating system, the aerosol-generating system comprising:
the cartridge of any preceding claim; and
an aerosol-generating device, the aerosol-generating device comprising:
a cavity for receiving at least a portion of the cartridge;
a heating device configured to heat at least a portion of the liquid aerosol formation in the second compartment of the cartridge; and
a power supply; and
a controller for controlling the supply of electrical power from the power source to the heating element.
14. An aerosol-generating system according to claim 13, wherein the heating device comprises an elongate heater configured to penetrate the pierceable seal and insert into the second compartment when the cartridge is received in the cavity of the aerosol-generating device.
15. An aerosol-generating system according to any one of the preceding claims, wherein the heating means of the aerosol-generating device comprises an induction coil located in the vicinity of the second compartment of the cartridge when the cartridge is received in the cavity of the aerosol-generating device.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP21155998 | 2021-02-09 | ||
| EP21155998.4 | 2021-02-09 | ||
| PCT/EP2022/052963 WO2022171601A1 (en) | 2021-02-09 | 2022-02-08 | Cartridge for aerosol-generating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116940252A true CN116940252A (en) | 2023-10-24 |
Family
ID=74572708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202280013615.0A Pending CN116940252A (en) | 2021-02-09 | 2022-02-08 | Cartridge for aerosol generating system |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4291053A1 (en) |
| JP (1) | JP2024505799A (en) |
| CN (1) | CN116940252A (en) |
| WO (1) | WO2022171601A1 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| UA117370C2 (en) * | 2013-07-03 | 2018-07-25 | Філіп Морріс Продактс С.А. | AEROSOL GENERATING MULTIPLE APPLICATION |
| US20150335070A1 (en) | 2014-05-20 | 2015-11-26 | R.J. Reynolds Tobacco Company | Electrically-powered aerosol delivery system |
| CN109890232B (en) * | 2016-11-14 | 2022-04-08 | 菲利普莫里斯生产公司 | Aerosol-generating system with variable airflow |
| CN109982587B (en) | 2016-12-19 | 2022-06-24 | 菲利普莫里斯生产公司 | Aerosol-generating system comprising a plurality of aerosol-forming substrates and a liquid transport element |
-
2022
- 2022-02-08 EP EP22703675.3A patent/EP4291053A1/en active Pending
- 2022-02-08 WO PCT/EP2022/052963 patent/WO2022171601A1/en active Application Filing
- 2022-02-08 JP JP2023538093A patent/JP2024505799A/en active Pending
- 2022-02-08 CN CN202280013615.0A patent/CN116940252A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022171601A1 (en) | 2022-08-18 |
| JP2024505799A (en) | 2024-02-08 |
| EP4291053A1 (en) | 2023-12-20 |
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