WO2023174654A1 - Cartouche pour dispositif de génération de vapeur et dispositif de génération de vapeur - Google Patents

Cartouche pour dispositif de génération de vapeur et dispositif de génération de vapeur Download PDF

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Publication number
WO2023174654A1
WO2023174654A1 PCT/EP2023/054441 EP2023054441W WO2023174654A1 WO 2023174654 A1 WO2023174654 A1 WO 2023174654A1 EP 2023054441 W EP2023054441 W EP 2023054441W WO 2023174654 A1 WO2023174654 A1 WO 2023174654A1
Authority
WO
WIPO (PCT)
Prior art keywords
cartridge
compliant material
base part
heat source
sealing member
Prior art date
Application number
PCT/EP2023/054441
Other languages
English (en)
Inventor
Jaakko MCEVOY
Original Assignee
Jt International Sa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jt International Sa filed Critical Jt International Sa
Publication of WO2023174654A1 publication Critical patent/WO2023174654A1/fr

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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
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • 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

Definitions

  • the present disclosure relates generally to a vapour generating device, such as an electronic cigarette.
  • Embodiments of the present disclosure relate in particular to a cartridge for an electronic cigarette and to an electronic cigarette incorporating the cartridge.
  • Electronic cigarettes are an alternative to conventional cigarettes. Instead of generating a combustion smoke, they vaporize a liquid which can be inhaled by a user.
  • the liquid typically comprises an aerosol-forming substance, such as glycerine or propylene glycol, that creates the vapour when heated.
  • Other common substances in the liquid are nicotine and various flavourings.
  • the electronic cigarette is a hand-held inhaler system, typically comprising a mouthpiece section, a liquid store and a power supply unit. Vaporization is achieved by a vaporizer or heater unit which typically comprises a heating element in the form of a heating coil and a fluid transfer element such as a wick. Vaporization occurs when the heater heats the liquid in the wick until the liquid is transformed into vapour.
  • a vaporizer or heater unit typically comprises a heating element in the form of a heating coil and a fluid transfer element such as a wick. Vaporization occurs when the heater heats the liquid in the wick until the liquid is transformed into vapour.
  • Conventional cigarette smoke comprises nicotine as well as a multitude of other chemical compounds generated as the products of partial combustion and/or pyrolysis of the plant material.
  • Electronic cigarettes deliver primarily an aerosolized version of an initial starting e-liquid composition comprising nicotine and various food safe substances such as propylene glycol and glycerine, etc., but are also efficient in delivering a desired nicotine dose to the user.
  • Electronic cigarettes need to deliver a satisfying amount of vapour for an optimum user experience whilst at the same time maximizing energy' efficiency.
  • WO 2017/179043 discloses an electronic cigarette comprising a disposable cartridge and a reusable base part.
  • the cartridge has a simplified structure which is achieved by keeping the main heating element in the re-usable base part, while the cartridge is provided with a heat transfer unit.
  • the heat transfer unit is configured to transfer heat from the heating element to the proximity of liquid in the cartridge to produce a vapour for inhalation by a user.
  • the establishment and satisfactory maintenance of a thermal contact between the reusable base part that contains the heat source and the fluid transfer medium, such as a ceramic wick in the disposable cartridge can prove difficult.
  • One manner in which this has been improved is by the provision of a deformable thermal interface membrane between the heater and the porous wick.
  • the membrane is a flexible, thin membrane configured to assist in rapid and even heating of the target in an accurate and defined geometry, reducing the amount of lateral thermal spreading (i.e. thermal losses).
  • the interconnecting parts of an electronic cigarette such as the cartridge and base part
  • the cartridge and base part are rigid and sharp and may result in damage to the membrane and/or other components, as well as poor connection of the parts with a resulting decrease in heat transfer therebetween.
  • the cartridge itself is made up of multiple different parts using different production methods (for example, injection moulding, deep drawing and stamping) all of which have their own associated tolerances. These may be quite large (+ or - 100 pm) and when combined can result in relatively large variations in design dimensions. This can lead to poor coupling of components, leading to reduced control and operating efficiency of the device.
  • a cartridge for a vapour generating device configured to thermically connect to a base part having at least one heat source
  • the cartridge comprising: a liquid store for containing a vapour generating liquid and having a liquid outlet; a vaporization chamber in communication with the liquid store via the liquid outlet; a thermal interface membrane configured, when the cartridge is thermically connected to the base part, to transfer heat from the heat source to effect vaporization of the vapour generating liquid; and at least one compliant material at least partially surrounding the thermal interface membrane, the compliant material being configured to at least partially deform upon connection of the base part to the cartridge.
  • vapour is a substance in the gas phase at a temperature lower than its critical temperature, which means that the vapour can be condensed to a liquid by increasing its pressure without reducing the temperature
  • aerosol is a suspension of fine solid particles or liquid droplets, in air or another gas.
  • a second aspect of the present disclosure provides a vapour generating device comprising a base part having at least one heat source and a cartridge thermically connected to the base part, the cartridge comprising a liquid store for containing a vapour generating liquid and having a liquid outlet; a vaporization chamber in communication with the liquid store via the liquid outlet; and a thermal interface membrane configured, when the cartridge is thermically connected to the base part, to transfer heat from the heat source to effect vaporization of the vapour generating liquid, the device further comprising at least one compliant material at least partially surrounding the thermal interface membrane, the compliant material being configured to at least partially deform upon connection of the base part to the cartridge.
  • the vapour generating device comprises an electronic cigarette.
  • the term “electronic cigarette” may include an electronic cigarette configured to deliver an aerosol to a user, including an aerosol for inhalation/vaping.
  • An aerosol for inhalation/vaping may refer to an aerosol with particle sizes of 0.01 to 20 pm. The particle size may be between approximately 0.015 pm and 20 pm.
  • the electronic cigarette may be portable.
  • the thermal interface membrane is preferably mounted at least partially on or embedded in the compliant material.
  • the thermal interface membrane extends across an opening in the cartridge, a part of the heat source being received within the opening.
  • the compliant material at least partially surrounds the perimeter, more preferably a rim, of the opening.
  • the compliant material has a Young’s Modulus of between 1 and 10 MPa.
  • the compliant material has an initial shear modulus of between 0.1 and 10 MPa for non-linear elastic materials.
  • the compliant material is configured to mould to the shape of the heat source upon connection of the base part and, optionally, hold the cartridge and base part together.
  • the thermal interface membrane may be attached to a surface of the compliant material or the thermal interface membrane may be embedded within at least part of the compliant material.
  • the compliant material is selected from at least one of a high temperature moulded silicone, nitrile, neoprene, ethylene propylene, fluorocarbon, and PTFE and optionally has a shore A hardness of between 30 to 70.
  • the compliant material comprises at least one flexible, sealing member and the sealing member matches the shape of the perimeter of the heat source to be contacted by the interface membrane and/or the opening in the cartridge.
  • the sealing member may be selected from an O-ring, a square ring and an elliptical ring, more preferably an O-ring.
  • the sealing member may have a predominantly circular cross-section.
  • the diameter of the sealing member is preferably 0.5 to 3 mm, preferably 1 to 2 mm.
  • at least part of the sealing member is provided with at least one chamfer or at least one fillet, preferably on an inner surface of the member that contacts the heat source.
  • the thermal interface membrane and the compliant material may be bonded together, for example the membrane being attached to a surface of the compliant material, by any suitable technique, such as by an adhesive or a forming process, such as hot-stamping.
  • the cartridge and the base part may include any one or more components conventionally included in a vapour generating device.
  • the cartridge has a vapour flow channel extending from an inlet, through the chamber to the outlet.
  • the inlet may be provided at the base of the cartridge, at the side or at the top of the cartridge.
  • An appropriate channel flows from the inlet, through the vaporisation chamber and to the outlet.
  • a third aspect of the present disclosure provides a vapour generating device comprising a base part having at least one heat source and a power supply and a cartridge according to the first aspect of the disclosure thermically connected to the base part via the interface membrane, wherein the compliant material deforms around a part of the heat source that is received within the cartridge.
  • the compliant material deforms around a part of the heat source that is received within the cartridge.
  • at least part of the heat source protrudes from a rigid body of the base part.
  • a fluid transfer medium can be provided in the cartridge between the liquid store and the vaporisation chamber for absorbing liquid transferred to the vaporization chamber via the liquid outlet.
  • the fluid transfer medium can be made of any material or a combination of materials being able to perform sorption and/or absorption of another material, and can be made, for example, of one or more of the following materials: fibre, glass, aluminium, cotton, ceramic, cellulose, glass fibre wick, stainless steel mesh, polyethylene (PE), polypropylene, polyethylene terephthalate (PET), poly(cyclohexanedimethylene terephthalate) (PCT), polybutylene terephthalate (PBT), polytetrafluoroethylene (PTFE), expanded polytetrafluoroethylene (ePTFE), and BAREX®, etc.
  • PE polyethylene
  • PET polypropylene
  • PET polyethylene terephthalate
  • PCT poly(cyclohexanedimethylene terephthalate)
  • PBT polybutylene tere
  • the fluid transfer medium of the cartridge comprises a porous ceramic wick positioned adjacent to an opening of the liquid store and arranged to hold and transfer vapour generating liquid from the liquid store to the thermal interface membrane by capillary 7 action, wherein the pore size of the porous ceramic range from 100 nm to 40 pm.
  • the base part of the device may- include a power supply unit, e.g. a battery 7 , connected to the heat source.
  • the power supply 7 unit electrically 7 heats the heat source, such as a heating element, of the base part, which then provides its heat by conduction to a heat transfer unit.
  • the heat transfer unit provides the heat to the fluid transfer medium resulting in vaporization of the liquid absorbed therein.
  • liquid from the liquid store is continuously absorbed by the transfer medium. Vapour created during the above process is transferred from the vaporization chamber via the vapour flow channel in the cartridge so that it can be inhaled via the outlet by 7 a user of the device.
  • the cartridge may be disconnected from the base part and a new cartridge fitted, enabling the reuse of the base part.
  • the heat source of the base part may 7 comprise a protruding heater extending from the base part so that, in use, the heater extends into the chamber of the cartridge deforming the membrane around the heater.
  • the power supply unit e.g. battery
  • the power supply unit may be a DC voltage source.
  • the power supply unit may be aNickel-metal hydride battery’, a Nickel cadmium battery, or a Lithium based battery’ , for example a Lithium-Cobalt, a Lithium-Iron-Phosphate, a Lithium-Ion or a Lithium-Polymer battery’.
  • the base part may further comprise a processor associated with electrical components of the electronic cigarette, including the battery.
  • the cartridge may further comprise: a cartridge housing at least partially’ including the liquid store and the vaporization chamber, and the vapour flow channel extending along the cartridge housing and in fluid communication with the vaporization chamber.
  • the cartridge housing may have a proximal end configured as a mouthpiece end which is in fluid communication with the vaporization chamber via the vapour flow channel and a distal end associated with the base part.
  • the mouthpiece end may be configured for providing the vaporized liquid to the user.
  • the liquid store may’ be provided in the main body’ of the cartridge with the vapour flow channel extending from an inlet at the base and one side of the cartridge, along the base of the cartridge to the vaporization chamber and up one side of the cartridge to the outlet located centrally- at the mouthpiece end.
  • the liquid store may be disposed around the vapour outlet channel.
  • the cartridge housing may’ be made of one or more of the following materials: aluminium, poly ether ether ketone (PEEK), polyimides, such as Kapton®, polyethylene terephthalate (PET), polyethylene (PE), high-density’ polyethylene (HOPE), polypropylene (PP), polystyrene (PS), fluorinated ethylene propylene (FEP), polytetrafluoroethylene (PTFE), polyoxymethylene (POM), polybutylene terephthalate (PBT), Acrylonitrile butadiene styrene (ABS), Polycarbonates (PC), epoxy’ resins, polyurethane resins and vinyl resins.
  • PEEK poly ether ether ketone
  • polyimides such as Kapton®, polyethylene terephthalate (PET), polyethylene (PE), high-density’ polyethylene (HOPE), polypropylene (PP), polystyrene (PS), fluorinated ethylene propylene (FEP),
  • Figure 1 is a schematic cross-sectional view of an electronic cigarette comprising a base part and a cartridge according to the prior art, shown with the base part and the cartridge disconnected;
  • Figure 2 is a schematic cross-sectional view of an electronic cigarette comprising a base part and a cartridge according to one embodiment of the present disclosure, shown with the base part and the cartridge disconnected;
  • Figures 3 A and 3B illustrate respectively the devices of Figure 1 and Figure 2 with the base part and cartridge connected to each other;
  • Figure 4A is a perspective view of one embodiment of a cartridge according to the present disclosure.
  • Figure 4B is a transparent view’ of the cartridge of Figure 4A attached to a base part;
  • Figure 4C is an expanded view’ of area A shown in Figure 4B;
  • Figure 5 A is an expanded transparent view’ through part of a cartridge according to one embodiment of the present disclosure
  • Figure 5B is an expanded transparent view through part of a cartridge according to another embodiment of the present disclosure.
  • Figure 5C is an expanded transparent view through part of a cartridge according to yet another embodiment of the present disclosure.
  • Figure 5D is an expanded transparent view through part of a cartridge according to yet a further embodiment of the present disclosure.
  • FIG. 1 and 3A of the accompanying drawings there is shown one example of a vapour generating device according to the prior art, in the form of an electronic cigarette 10 for vaporizing a liquid L.
  • the electronic cigarette 10 can be used as a substitute for a conventional cigarette.
  • the electronic cigarette 10 comprises a base part 12 and a cartridge 14 (also referred to in the art as a “capsule” or “pod”) thermically connectable to the base part 12 (See Fig.3A).
  • the base part 12 is thus the main body part of the electronic cigarette and is preferably re-usable.
  • the base part 12 comprises a housing 16 accommodating therein a power supply unit in the form of a battery 7 18 connected to a heating element located at a first end of the housing 16.
  • the heating element is in the form of a rigid protruding heater unit 20 that protrudes out of the base part for partial receipt within the cartridge or capsule 14.
  • the first end of the housing 16 has an interface configured for matching a corresponding interface of the cartridge 14 and comprises a connector for mechanically coupling the cartridge 14 to the base part.
  • the battery 7 18 is configured for providing the heating element 20 with the necessary 7 power for its operation, via contacts 24, allowing it to become heated to a required temperature.
  • the battery 7 18 is also connected to a controller 22, enabling the required power supply for its operation and the controller 22 is operationally connected to the heater unit 20.
  • the controller is located between the battery 7 18 and the heater 20 but it is to be appreciated that this arrangement is not compulsory 7 and other arrangements of the components within the base part 12 are entirely within the scope of the present disclosure, such as the controller being located on an opposite side of the battery 7 18 to the heating element 20, wherein the battery 7 18 acts as a divider between the heating element 20 and other sensitive components of the electronic cigarette 10.
  • the cartridge 14 comprises a cartridge housing having a proximal end 26 and a distal end 28.
  • the proximal end 26 may constitute a mouthpiece end configured for being introduced directly into a user's mouth (not shown).
  • a mouthpiece may be fitted to the proximal end 26.
  • the cartridge 14 comprises a base portion and a liquid storage portion 25, where the liquid storage portion comprises a liquid store or resen 7 oir configured for containing therein the liquid L to be vaporized.
  • the liquid L may comprise an aerosol-forming substance such as propylene glycol and/or glycerol and may contain other substances such as nicotine and acids.
  • the liquid L may also comprise flavourings such as e.g. tobacco, menthol or fruit flavour.
  • the liquid store 25 may extend between the proximal end 26 towards the distal end 28, but is spaced from the distal end 28.
  • a vapour transfer channel 32 extends from an inlet 30 provided on one side of the base portion, across a base of the cartridge and up the side of the cartridge to an outlet 34 located centrally in the top part 26 of the cartridge.
  • the liquid store 25 may surround, and coextend with, the vapour transfer channel 32.
  • the vapour transfer channel 32 defines, at least in part, a cavity- 80 (see Figure 4A) into which the heater unit 20 protrudes.
  • the base portion of the cartridge 14 is provided with a porous wick 38 (or other fluid transfer medium) which extends between the liquid store 25 and the vapour transfer channel 32.
  • the heater unit 20 Upon connection of the interfaces between the cartridge 14 and the base part 12 of the device, the heater unit 20 protrudes into the vapour transfer channel immediately below a base of the porous wick 38, thereby enabling heating of the liquid in the wick until the liquid is transformed into vapour.
  • a thermal interface membrane 50 is provided between the heater 20 and the porous wick 38.
  • the membrane 50 is a flexible, thin membrane and may be configured to ensure rapid and even heating of the target in an accurate and defined geometry, reducing the amount of lateral thermal spreading (i.e. thermal losses).
  • the interface membrane 50 should be tightly pulled across the interface of the cartridge 14 that is connectable to the base part 12.
  • the protruding heater unit 20 deforms the membrane 50 when the cartridge is connected to the base part to provide a high contact pressure between the membrane and heater (see Figure 1), lowering the interface thermal resistance.
  • the deformable interface membrane 50 should be small, and not extend the entire length and depth of the capsule/ cartridge base.
  • To increase the thermal diffusivity of the membrane the thermal mass and specific heat of the membrane should be low, while the conductivity 7 should be high.
  • the housings of both the cartridge 14 and base part 12 are made of rigid material for durability- 7 and this can create problems in providing a satisfactory 7 connection between the heater 20 and deformable interface membrane 50.
  • the rigid structure 52 of the cartridge 14 cannot deform to allow the heater to make contact with the membrane, as illustrated in Figure 3A.
  • the cartridge is formed of multiple different components formed using multiple methods, all of which have their own associated tolerances. This can result in relatively 7 large variations in design dimensions between different cartridges and base parts which can lead to poor coupling of the parts, resulting in poor pressure drop control.
  • the present disclosure seeks to address this problem by compensating for poor geometric tolerances. This is achieved by 7 the provision of at least one region of compliant flexible material 60 around a rim of the cavity where the interface membrane 50 is attached and with which the heater is brought into contact.
  • An embodiment of the disclosure is shown in Figures 2 and 3B of the accompanying drawings, in which identical features to those already discussed in relation to Figures 1 and 2A are given the same reference numerals.
  • the flexible structure of the compliant material 60 allows it to deform to allow the heater 20 to enter the cavity of the cartridge even if the parts are not exactly aligned.
  • Figures 4A to 4C illustrate further the positioning of the compliant member 60 and the interface membrane 50 in the region of the cartridge 14 that receives the heater 20.
  • a cavity 80 for receipt of the heater 20 is provided w ith a circular seal member 60 of a compliant material so that the rigid heater 20 does not have to couple exactly with the rigid structure 52 of the base of the cartridge. This compensates for different tolerances between the rigid parts of both the cartridge 14 and base part 12 and ensures that a better connection is provided between the heater and the cartridge to ensure greater efficiency of heat transfer.
  • the thermal interface membrane 50 is mounted at least partially on the compliant or flexible material 60 provided on the cartridge body, having a Young’s Modulus of between 1 and 10 MPa. This allows for enhanced surface contact as the compliant support structure 60 can deform as well as mould to the shape of the heater as it approaches to the thermal interface membrane. Ideally, the compliant support structure also acts as a mechanism to hold the cartridge 14 in place in relation to the base part 12 of the device.
  • the compliant material has an initial shear modulus of between 0.1 and 10 MPa for nonlinear elastic materials.
  • the compliant support structure 60 may be comprised of any w ell known seal material but preferably is selected from the group consisting of a high temperature moulded silicone, nitrile, neoprene, ethylene propylene, fluorocarbon and PTFE.
  • the interface membrane 50, w hich extends across the opening of the cavity 80, may be attached to the surface of the compliant support structure 60 via an adhesive or a forming process, such as hot-stamping. Alternatively, the membrane 50 may be embedded in the structure by a moulding or clamping process.
  • the compliant support structure 60 preferably has a shore A hardness of betw een 30 to 70 (very hard materials have a shore hardness of 80 plus, whereas very-’ soft materials have a shore hardness of below’ 50).
  • the shore hardness is defined using a known experimental method and measures the resistance of a material to indentation, measuring the depth of an indentation in the material created by a given force on a standardised presser foot.
  • Figures 5 A to 5D of the accompanying drawings illustrate different embodiments of the compliant support structure 60 for incorporating into the cartridge 14 of the present disclosure.
  • the structure is an O-ring 62 having a predominantly circular shape.
  • other shapes may be employed, such as square or elliptical, preferably matching the shape of the heater 20 that protrudes into the cartridge and/or the perimeter of the opening of the cavity 80.
  • the seal 62 also has a circular crosssection, having a diameter of 0.5 to 3.0 mm, preferably 1 to 2 mm.
  • other crosssections may be employed and in some instances are preferred.
  • Figure 5B illustrates a compliant support structure 64 with a chamfered comer
  • Figure 5C shows a compliant support structure 66 with a filleted comer
  • Figure 5D shows a device having a compliant support structure 68 with a sharp comer. These are provided on the inner comer to direct the heat more effectively.
  • the incorporation of a region of additional compliance between the interface membrane of the cartridge and the heater of the base part allows for any small tolerance effects in manufacturing or alignment of the heater to the membrane to be neglected.
  • This flexible mounting point for the interface membrane may also reduce or prevent damage to the heater as it is no longer being pushed repeatedly against a rigid material. Furthermore, it may prevent damage, such as punctures or tearing, occurring to the membrane as a result of rubbing between two rigid materials.
  • the interface membrane material incorporated into the device of the present disclosure is of a thin flexible material, preferably being ⁇ 100 pm thick and has at least one section of a high thermal conductivity, preferably being > 1 watt per meter-kelvin (W/m.K), more preferably > 10 W/m.K, especially > 100 W/m.K and may also include at least one section of a low thermal conductivity, preferably ⁇ 1 W/m.K.
  • suitable materials for the high thermal conductivity section include but are not limited to aluminium, flexible loaded polymers or graphene sheets.
  • the membrane materials should have an acceptable Young’s Modulus so as not to plastically deform during use, preferably being 0.1 to 10 GPa.
  • the actual value required will depend upon the amount of displacement of the membrane and the initial film tightness. It is to be appreciated that a rise in temperature during operation of the device will cause thermal expansion of the heater and the membrane. This will reduce the contact pressure if the thermal expansion coefficient of the membrane is higher than that of the heater material. Thermal grease or other thermal interface fillers may be used between the components to reduce air gaps and thermal resistance.

Abstract

L'invention concerne un dispositif de génération de vapeur (10) comprenant une cartouche (14) pour une connexion thermique à une partie de base (16) ayant au moins une source de chaleur (20), la cartouche comportant un réservoir de liquide (25) permettant de contenir un liquide de génération de vapeur L et comportant une sortie de liquide ; une chambre de vaporisation en communication avec le réservoir de liquide par l'intermédiaire de la sortie de liquide ; une membrane d'interface thermique (50) à travers l'ouverture de la cartouche et une structure souple (60) fixée à la membrane (50) et entourant au moins partiellement l'ouverture, la structure souple (60) étant configurée pour se déformer au moins partiellement sur la liaison de la partie de base à la cartouche.
PCT/EP2023/054441 2022-03-14 2023-02-22 Cartouche pour dispositif de génération de vapeur et dispositif de génération de vapeur WO2023174654A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP22161798 2022-03-14
EP22161798.8 2022-03-14

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Publication Number Publication Date
WO2023174654A1 true WO2023174654A1 (fr) 2023-09-21

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110036346A1 (en) * 2009-04-21 2011-02-17 A. J. Marketing Llc Personal inhalation devices
CN203762297U (zh) * 2014-01-17 2014-08-13 深圳市麦克韦尔科技有限公司 电子烟连接结构及电子烟
US20160021933A1 (en) * 2013-03-15 2016-01-28 Quai Jeanrenaud 3 Aerosol-generating system with a replaceable mouthpiece cover
WO2017179043A1 (fr) 2016-04-13 2017-10-19 Md&C Creative Maison Sa Cigarette électronique
WO2021123348A1 (fr) * 2019-12-20 2021-06-24 Jt International S.A. Dispositif de génération d'aérosol et article consommable ayant une reconnaissance de propriétés thermiques
EP3949766A1 (fr) * 2020-08-04 2022-02-09 JT International SA Système de génération d'aérosol doté d'un mécanisme de régulation thermique

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110036346A1 (en) * 2009-04-21 2011-02-17 A. J. Marketing Llc Personal inhalation devices
US20160021933A1 (en) * 2013-03-15 2016-01-28 Quai Jeanrenaud 3 Aerosol-generating system with a replaceable mouthpiece cover
CN203762297U (zh) * 2014-01-17 2014-08-13 深圳市麦克韦尔科技有限公司 电子烟连接结构及电子烟
WO2017179043A1 (fr) 2016-04-13 2017-10-19 Md&C Creative Maison Sa Cigarette électronique
WO2021123348A1 (fr) * 2019-12-20 2021-06-24 Jt International S.A. Dispositif de génération d'aérosol et article consommable ayant une reconnaissance de propriétés thermiques
EP3949766A1 (fr) * 2020-08-04 2022-02-09 JT International SA Système de génération d'aérosol doté d'un mécanisme de régulation thermique

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