WO2024068433A1 - Ensemble cartouche pour système de génération d'aérosol - Google Patents

Ensemble cartouche pour système de génération d'aérosol Download PDF

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Publication number
WO2024068433A1
WO2024068433A1 PCT/EP2023/076101 EP2023076101W WO2024068433A1 WO 2024068433 A1 WO2024068433 A1 WO 2024068433A1 EP 2023076101 W EP2023076101 W EP 2023076101W WO 2024068433 A1 WO2024068433 A1 WO 2024068433A1
Authority
WO
WIPO (PCT)
Prior art keywords
cartridge assembly
recess
connection element
assembly according
bottom portion
Prior art date
Application number
PCT/EP2023/076101
Other languages
English (en)
Inventor
Onur DAYIOGLU
Guillaume FREDERICK
Ali Murat SAYGILI
Patrick Charles SILVESTRINI
Fabien Zuchuat
Original Assignee
Philip Morris Products S.A.
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 Philip Morris Products S.A. filed Critical Philip Morris Products S.A.
Publication of WO2024068433A1 publication Critical patent/WO2024068433A1/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
    • 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
    • A24F40/70—Manufacture
    • 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

Definitions

  • the present invention relates to a cartridge assembly to be used in an aerosolgenerating system.
  • the present invention relates to an aerosol-generating system.
  • Aerosol-generating device or an aerosol-generating system for generating an inhalable vapor.
  • Such devices or systems may heat aerosol-forming substrate to a temperature at which one or more components of the aerosol-forming substrate are volatilised without burning the aerosol-forming substrate.
  • Aerosol-forming substrate may be provided as part of an aerosol-generating article or contained in a cartridge.
  • the aerosol-forming substrate Upon heating to a target temperature, the aerosol-forming substrate vaporises to form an aerosol.
  • the aerosol-forming substrate may be present in solid form or in liquid form.
  • Liquid aerosol-forming substrate may be comprised in a liquid storage portion and may be delivered to the heating element via a capillary component.
  • the liquid storage portion may form part of a replaceable cartridge assembly.
  • welding technique It is known to seal different components of a liquid storage portion by welding technique.
  • welding technique may raise challenges such as excessive melting and limited controllability of the welding zone.
  • an additional welding step is needed during the manufacturing process.
  • a cartridge comprising components which provide a liquid-tight connection. It would be desirable to provide a cartridge comprising components which provide an irreversible connection. It would be desirable to provide a cartridge comprising components which provide a permanent connection. It would be desirable to provide a cartridge comprising components which provide an invisible connection. It would be desirable to provide a cartridge comprising components which provide a child secure connection. It would be desirable to provide a cartridge that can be easily manufactured.
  • a cartridge assembly to be used in an aerosol-generating system.
  • the cartridge assembly may comprise a mouthpiece portion comprising a first connection element and a bottom portion comprising a second connection element.
  • the first connection element and the second connection element may be configured to be irreversible connectable to each other.
  • a cartridge assembly to be used in an aerosol-generating system.
  • the cartridge assembly comprises a mouthpiece portion comprising a first connection element and a bottom portion comprising a second connection element.
  • the first connection element and the second connection element are configured to be irreversible connectable to each other.
  • Providing a cartridge assembly comprising a mouthpiece portion and a bottom portion comprising first and second connection elements being irreversible connectable to each other may provide a permanent connection.
  • Providing a cartridge assembly comprising a mouthpiece portion and a bottom portion comprising first and second connection elements being irreversible connectable to each other may provide a liquid-tight connection.
  • Providing a cartridge assembly comprising a mouthpiece portion and a bottom portion comprising first and second connection elements being irreversible connectable to each other may provide a child secure connection.
  • Providing a cartridge assembly comprising a mouthpiece portion and a bottom portion comprising first and second connection elements being irreversible connectable to each other may make welding redundant.
  • Providing a cartridge assembly comprising a mouthpiece portion and a bottom portion comprising first and second connection elements being irreversible connectable to each other may be easier to manufacture.
  • the mouthpiece portion and the bottom portion may enclose a liquid reservoir.
  • the liquid reservoir may be configured to store liquid aerosol-forming substrate or liquid sensorial media, or both.
  • the liquid reservoir may comprise one or both of an aerosol-forming substrate and a liquid sensorial media.
  • the first connection element of the mouthpiece portion and the second connection element of the bottom portion may provide a liquid-tight connection. Thereby liquid stored in the liquid reservoir may be prevented from leakage.
  • the first connection element of the mouthpiece portion may comprise a first snap-fit element and the second connection element of the bottom portion may comprise a second snap-fit element.
  • the first and second snap-fit elements may be configured to provide a snap- fit connection. Thereby a liquid-tight connection may be provided.
  • the first and second snap- fit elements may be pressed against each other.
  • the first and second snap-fit elements may extend in a direction orthogonal to a longitudinal axis of the cartridge assembly.
  • the first connection element of the mouthpiece portion and the second connection element of the bottom portion may provide a connection preventing rotation of the mouthpiece portion and the bottom portion relative to each other.
  • the mouthpiece portion and the bottom portion may not be rotatable relative to each other.
  • the first and second connection elements may comprise rotation-prevention elements.
  • the rotation-prevention elements may be configured such that the first and second connection elements can only be attached to each other in a keyed attachment.
  • the rotation-prevention elements may prevent the mouthpiece and the bottom portion from rotation relative to each other.
  • the rotation-prevention elements may extend in a direction of the longitudinal axis of the cartridge assembly.
  • the mouthpiece portion may comprise a vertical recess and the bottom portion may comprise a vertical protrusion, or vice versa.
  • the vertical recess and the vertical protrusion may have matching shapes.
  • the first connection element of the mouthpiece portion may comprise a recess and the second connection element of the bottom portion may comprise a protrusion, or vice versa.
  • the first connection element of the mouthpiece portion may comprise a notch and the second connection element of the bottom portion may comprise a projection, or vice versa.
  • the protrusion or projection may extend in a direction orthogonal to the longitudinal axis of the cartridge assembly.
  • the recess or notch may be recessed in an inner surface of the mouthpiece portion in a direction orthogonal to the longitudinal axis of the cartridge assembly.
  • the first and second connection elements may have matching shapes.
  • the recess and the protrusion may have matching shapes.
  • the notch and the projection may have matching shapes.
  • the recess and the protrusion may be complementary to each other.
  • the recess and the protrusion may have approximately matching shapes or may be approximately complementary to each other.
  • the protrusion may be slightly larger than the recess.
  • the recess may have a recess volume and the protrusion may have a protrusion volume.
  • the protrusion volume may be larger than the recess volume, preferably slightly larger.
  • the protrusion volume may be 5 to 10 percent larger.
  • the recess and the protrusion may be coaxially arranged.
  • the recess and the protrusion may be arranged around the longitudinal axis of the cartridge assembly.
  • the recess and the protrusion may be arranged circumferentially around the longitudinal axis of the cartridge assembly.
  • the recess and the protrusion may have a rounded trapezoidal cross-section.
  • the cross-section may be taken along the longitudinal axis of the cartridge assembly.
  • the crosssection may be taken in the same direction as the longitudinal axis.
  • the first connection element of the mouthpiece portion may comprise the recess and the second connection element of the bottom portion may comprise the protrusion.
  • the mouthpiece portion may comprise the recess at an inner surface of a sidewall of the mouthpiece.
  • the recess may have a depth of between 0.15 and 0.50 millimeters, preferably between 0.15 and 0.30 millimeters. The depth of the recess may be measured in a direction orthogonal to the longitudinal axis of the cartridge assembly.
  • the recess may comprise a bottom surface. The depth of the recess may be the distance from an extension straight line of the inner surface of the mouthpiece to the bottom surface.
  • the recess may be distanced from the distal end of the mouthpiece portion.
  • the distance may be measured in a direction along the longitudinal axis of the cartridge assembly.
  • the distance may be between 0.5 and 1.1 millimeters, preferably between 0.5 and 1.0 millimeters, more preferably between 0.5 and 0.9 millimeters.
  • the mouthpiece portion may have a wall thickness measured in a direction orthogonal to the longitudinal axis of the cartridge assembly.
  • the wall thickness may be between 0.3 and 1.0 millimeter, more preferably between 0.4 and 0.8 millimeters.
  • the protrusion may have a length of between 0.15 and 0.50 millimeters, preferably between 0.15 and 0.30 millimeters.
  • the length of the protrusion may be measured in a direction orthogonal to the longitudinal axis of the cartridge assembly.
  • the length of the protrusion may be larger than the depth of the recess.
  • the recess may comprise a distal surface and a proximal surface, and at least one of the proximal and distal surfaces may be inclined.
  • the bottom surface of the recess may be the surface connecting the distal surface and the proximal surface.
  • the distal surface of the recess may be inclined with an inclination angle of between 10 to 60 degrees, preferably between 20 to 50 degrees, more preferably between 30 to 35 degrees, most preferably about 32 degrees.
  • the proximal surface or the recess may be inclined with an inclination angle of between 10 to 70 degrees, preferably between 30 to 60 degrees, more preferably between 45 to 55 degrees, most preferably about 50 degrees.
  • the length of the proximal surface of the recess may be larger than the length of the distal surface.
  • the protrusion may comprise a distal surface and a proximal surface, and at least one of the proximal and distal surfaces may be inclined.
  • the distal surface of the protrusion may be inclined with an inclination angle of between 10 to 60 degrees, preferably between 20 to 50 degrees, more preferably between 30 to 35 degrees, most preferably about 32 degrees.
  • the proximal surface of the protrusion may be inclined with an inclination angle of between 10 to 70 degrees, preferably between 30 to 60 degrees, more preferably between 45 to 55 degrees, most preferably about 50 degrees.
  • the length of the proximal surface of the protrusion may be larger than the length of the distal surface.
  • the mouthpiece portion may have a conical shape, preferably a conical shape with an elliptical cross-section.
  • the mouthpiece may have an elliptical cross-section.
  • the mouthpiece may be in the shape of a truncated conus.
  • the mouthpiece may be hollow.
  • the mouthpiece may be a hollow truncated conus.
  • the mouthpiece portion may comprise a distal end which may comprises the first connection element.
  • the bottom portion may comprise a proximal end which may comprises the second connection element.
  • the mouthpiece portion may comprise a proximal end.
  • the proximal end may be a mouth-end.
  • the mouth-end may comprise an air outlet.
  • the mouthpiece portion may have a larger diameter than the proximal end of the bottom portion.
  • the diameter of the mouthpiece portion and the bottom portion may both be measured in a direction orthogonal to the longitudinal axis of the cartridge assembly.
  • An outer diameter of the distal end of the mouthpiece portion may be larger than an outer diameter of the distal end of the bottom portion, both measured in a direction orthogonal to the longitudinal axis of the cartridge assembly.
  • the distal end of the mouthpiece portion and the proximal end of the bottom portion may have an elliptical cross-section. The diameter of the mouthpiece portion and the bottom portion may then be the semi-major axis of the elliptical cross-section.
  • the recess of the mouthpiece portion may extend along an ellipse around the longitudinal axis of the cartridge assembly.
  • the protrusion of the bottom portion may extend along an ellipse around the longitudinal axis of the cartridge assembly.
  • the interference of the fist connection element and the second connection element may be between 0.01 and 0.20 millimeters, preferably between 0.05 and 0.10 millimeters, more preferably about 0.08 millimeter. Thereby leakage may be prevented.
  • the interference may be the difference of the dimensions of the first connection element and the second connection element.
  • the interference may be the difference of the depth of the recess of the mouthpiece portion and the length of the protrusion of the bottom portion.
  • a gap may be provided between a proximal portion of the recess and a proximal portion of the protrusion.
  • the gap may be a coaxial gap.
  • the mouthpiece portion and the bottom portion may comprise plastic material.
  • the mouthpiece portion and the bottom portion may consist of plastic material.
  • the mouthpiece portion and the bottom portion comprising plastic material may be produced according to ISO- 20457 TG4.
  • the overall shape of the first connection element of the mouthpiece portion and the second connection element of the bottom portion may be in a range of ⁇ 0.05 millimeter.
  • This results in a total tolerance of the recess and the protrusion of together ⁇ 0.1 millimeter. Therefore, the gap between the proximal portion of the recess and a proximal portion of the protrusion may be equal to 0.08 millimeter to accommodate these tolerances. Thereby the gap may allow the mouthpiece portion to go back in its original position without any stress on the part.
  • the cartridge assembly may comprise an airflow channel.
  • the airflow channel may comprise an airflow path.
  • the airflow channel may extend along the longitudinal axis of the cartridge assembly.
  • the mouthpiece portion may comprise an inner tubular element confining the airflow channel.
  • the liquid reservoir of the cartridge assembly may extend around the airflow channel, preferably around tubular element.
  • the bottom portion may comprise a heater.
  • the heater is a mesh heater.
  • the mesh heater may comprise a heater body and at least one mesh.
  • the mesh heater may be configured as an electrically resistive metal heater.
  • the at least one mesh may comprise a plurality of electrically conductive filaments configured to form the individual mesh.
  • the filaments may be provided with a woven or non-woven fabric.
  • the electrically conductive filaments may define interstices between the filaments and the interstices may have a width of between 10 pm and 100 pm.
  • the filaments give rise to capillary action in the interstices, so that in use, substrate to be vaporized is drawn into the interstices, increasing the contact area between the heater and the substrate.
  • the electrically conductive filaments may comprise any suitable electrically conductive material. Suitable materials include but are not limited to: semiconductors such as doped ceramics, electrically "conductive" ceramics (such as, for example, molybdenum disilicide), carbon, graphite, metals, metal alloys and composite materials made of a ceramic material and a metallic material. Preferred materials for the electrically conductive filaments are 304, 316, 304L, 316L stainless steel, and graphite. Preferably, stainless steel, nichrome wire, aluminum or tungsten is used.
  • the bottom portion may comprise a liquid wicking material.
  • the liquid wicking material may convey the liquid aerosol-forming substrate from the liquid reservoir to the heater of the bottom portion.
  • the liquid wicking material may be porous.
  • the liquid wicking material may comprise a capillary material.
  • the cartridge assembly may further comprise a seal-joint.
  • the seal-joint may be placed between the mouthpiece portion and the bottom portion.
  • the seal-joint may provide further sealing of the liquid reservoir confined between the mouthpiece portion and the bottom portion.
  • the seal-joint may provide further sealing of the liquid reservoir confined between the mouthpiece portion and the mesh heater.
  • the seal-joint may provide a correct positioning of the mesh heater.
  • the present invention further relates to an aerosol-generating system, comprising the cartridge assembly described herein and a main body.
  • the main body may comprise a cartridge connection portion.
  • the bottom portion of the cartridge assembly may comprise a main body connection portion.
  • the cartridge connection portion and the main body connection portion may be configured to be reversibly connectable to each other.
  • the main body may comprise a power supply and a controller.
  • the main body may comprise a housing.
  • the housing may be elongate.
  • the housing may comprise any suitable material or combination of materials. Examples of suitable materials include metals, alloys, plastics or composite materials containing one or more of those materials, or thermoplastics that are suitable for food or pharmaceutical applications, for example polypropylene, polyetheretherketone (PEEK) and polyethylene. Preferably, the material is light and non-brittle.
  • the main body may include a user interface to activate the aerosol-generating system, for example a button to initiate heating of the aerosol-generating system or a display to indicate a state of the aerosol-generating system or of the aerosol-forming substrate.
  • a user interface to activate the aerosol-generating system, for example a button to initiate heating of the aerosol-generating system or a display to indicate a state of the aerosol-generating system or of the aerosol-forming substrate.
  • the aerosol-generating system may include additional components, such as, for example a charging unit for recharging an on-board electric power supply in an electrically operated or electric aerosol-generating system.
  • proximal refers to a user-end, or mouth-end of the aerosolgenerating device or system or a part or portion thereof, and the term ‘distal’ refers to the end opposite to the proximal end.
  • airflow path denotes a channel suitable to transport gaseous media.
  • An airflow path may be used to transport ambient air.
  • An airflow path may be used to transport an aerosol.
  • An airflow path may be used to transport a mixture of air and aerosol.
  • the liquid sensorial media may comprise a flavorant.
  • the liquid sensorial media may comprise nicotine.
  • the liquid aerosol-forming substrate or liquid sensorial media may comprise a flavoring, for example menthol or herbal compounds.
  • the liquid aerosol-forming substrate or the liquid sensorial media may comprise nicotine.
  • the liquid aerosol-forming substrate or the liquid sensorial media may comprise a botanical content, for example CBD.
  • liquid sensorial media relates to a liquid composition capable of modifying an airflow in contact with the liquid sensorial media.
  • the modification of the airflow may be one or more of forming an aerosol or a vapor, cooling an airflow, and filtering an airflow.
  • the liquid sensorial media may comprise an aerosol-forming substrate capable of releasing volatile compounds that can form an aerosol or a vapor.
  • the aerosolforming substrate in the liquid sensorial media is a flavorant or comprises a flavorant.
  • the liquid sensorial media may comprise one or both of a cooling substance for cooling an airflow passing through the liquid sensorial media and a filter substance for capturing unwanted components in the airflow. Water may be used as a cooling substance. Water may be used as a filtering substance for capturing particles such as dust particles from the airflow.
  • the liquid sensorial media may serve as one or more of a nicotine providing liquid, a flavor enhancer, and a volume enhancer.
  • the term ‘aerosol-forming substrate’ relates to a substrate capable of releasing volatile compounds that can form an aerosol or a vapor. Such volatile compounds may be released by heating the aerosol-forming substrate.
  • the aerosol-forming substrate may be in solid form or may be in liquid form.
  • the terms ‘aerosol’ and ‘vapor’ are used synonymously.
  • a liquid nicotine or flavor/flavorant containing aerosol-forming substrate may be employed in the liquid reservoir of the cartridge assembly.
  • the aerosol-forming substrate may comprise nicotine.
  • the nicotine-containing aerosolforming substrate may be a nicotine salt matrix.
  • the aerosol-forming substrate may comprise plant-based material.
  • the aerosolforming substrate may comprise tobacco.
  • the aerosol-forming substrate may comprise a tobacco-containing material including volatile tobacco flavour compounds which are released from the aerosol-forming substrate upon heating.
  • the aerosol-forming substrate may comprise a non-tobacco material.
  • the aerosol-forming substrate may comprise homogenised plant-based material.
  • the aerosol-forming substrate may comprise homogenised tobacco material. Homogenised tobacco material may be formed by agglomerating particulate tobacco.
  • the aerosol-forming substrate may comprise at least one aerosol-former.
  • An aerosolformer is any suitable known compound or mixture of compounds that, in use, facilitates formation of a dense and stable aerosol and that is substantially resistant to thermal degradation at the temperature of operation of the aerosol-generating system.
  • Suitable aerosol-formers are well known in the art and include, but are not limited to: polyhydric alcohols, such as triethylene glycol, 1 ,3-butanediol and glycerine; esters of polyhydric alcohols, such as glycerol mono-, di- or triacetate; and aliphatic esters of mono-, di- or polycarboxylic acids, such as dimethyl dodecanedioate and dimethyl tetradecanedioate.
  • Preferred aerosol formers are polyhydric alcohols or mixtures thereof, such as triethylene glycol, 1 , 3-butanediol.
  • the aerosol former is glycerine.
  • the homogenised tobacco material may have an aerosol-former content of equal to or greater than 5 percent by weight on a dry weight basis, and preferably from 5 percent to 30 percent by weight on a dry weight basis.
  • the aerosol-forming substrate may comprise other additives and ingredients, such as flavourants.
  • liquid reservoir refers to a storage portion comprising a liquid sensorial media and, additionally or alternatively, an aerosol-forming substrate that is capable of releasing volatile compounds that can form an aerosol.
  • the liquid storage portion may be configured as a container or a reservoir for storing the liquid aerosol-forming substrate.
  • the capillary material may have a fibrous or spongy structure.
  • the capillary material preferably comprises a bundle of capillaries.
  • the capillary material may comprise a plurality of fibers or threads or other fine bore tubes. The fibers or threads may be generally aligned to convey liquid to the heater.
  • the capillary material may comprise sponge-like or foam-like material.
  • the structure of the capillary material forms a plurality of small bores or tubes, through which the liquid can be transported by capillary action.
  • the capillary material may comprise any suitable material or combination of materials.
  • suitable materials are a sponge or foam material, ceramic- or graphite-based materials in the form of fibers or sintered powders, foamed metalor plastics material, a fibrous material, for example made of spun or extruded fibers, such as cellulose acetate, polyester, or bonded polyolefin, polyethylene, terylene or polypropylene fibers, nylon fibers or ceramic.
  • the capillary material may have any suitable capillarity and porosity so as to be used with different liquid physical properties.
  • the liquid has physical properties, including but not limited to viscosity, surface tension, density, thermal conductivity, boiling point and vapour pressure, which allow the liquid to be transported through the capillary device by capillary action.
  • the capillary material may be in contact with the electrically conductive filaments of the mesh heater.
  • the capillary material may extend into interstices between the filaments.
  • the heater may draw liquid aerosol-forming substrate into the interstices by capillary action.
  • the main body may comprise a power supply for powering the heating element.
  • the power supply may comprise a battery.
  • the power supply may be a lithium-ion battery.
  • the power supply may be a nickel-metal hydride battery, a nickel cadmium battery, or a lithium-based battery, for example a lithium-cobalt, a lithium-iron-phosphate, lithium titanate or a lithium-polymer battery.
  • the power supply may require recharging and may have a capacity that enables to store enough energy for one or more usage experiences; for example, the power supply may have sufficient capacity to continuously generate aerosol for a period of around six minutes or for a period of a multiple of six minutes. In another example, the power supply may have sufficient capacity to provide a predetermined number of puffs or discrete activations of the heating element.
  • the main body may comprise a controller.
  • the controller may be electrically connected to the mesh heater.
  • the controller may be configured to control energy supply to the mesh heater.
  • Example Ex 1 A cartridge assembly to be used in an aerosol-generating system, comprising a mouthpiece portion comprising a first connection element; and a bottom portion comprising a second connection element, wherein the first connection element and the second connection element are configured to be irreversible connectable to each other.
  • Example Ex 2 The cartridge assembly according to example Ex 1 , wherein the mouthpiece portion and the bottom portion enclose a liquid reservoir.
  • Example Ex 3 The cartridge assembly according to any of examples Ex 1 or Ex
  • Example Ex 4 The cartridge assembly according to any of the preceding examples, wherein the first connection element of the mouthpiece portion comprises a first snap-fit element and the second connection element of the bottom portion comprises a second snap-fit element, and wherein the first and second snap-fit elements are configured to provide a snap-fit connection.
  • Example Ex 5 The cartridge assembly according to any of the preceding examples, wherein the first connection element of the mouthpiece portion and the second connection element of the bottom portion provide a connection preventing rotation of the mouthpiece portion and the bottom portion relative to each other.
  • Example Ex 6 The cartridge assembly according to any of the preceding examples, wherein the first connection element of the mouthpiece portion comprises a recess and the second connection element of the bottom portion comprises a protrusion, or vice versa.
  • Example Ex 7 The cartridge assembly according to example Ex 6, wherein the recess and the protrusion have matching shapes.
  • Example Ex 8 The cartridge assembly according to any of examples Ex 6 or
  • Example Ex 9 The cartridge assembly according to any of examples Ex 6 to Ex
  • Example Ex 10 The cartridge assembly according to any of examples Ex 6 to
  • the mouthpiece portion comprises the recess at an inner surface of a sidewall of the mouthpiece.
  • Example Ex 11 The cartridge assembly according to any of examples Ex 6 to
  • the recess has a depth of between 0.15 and 0.50 millimeters, preferably between 0.15 and 0.30 millimeters.
  • Example Ex 12 The cartridge assembly according to any of examples Ex 6 to
  • the recess comprises a distal surface and a proximal surface, and wherein at least one of the proximal and distal surfaces of the recess are inclined.
  • Example Ex 13 The cartridge assembly according to example Ex 12, wherein the distal surface of the recess is inclined with an inclination angle of between 10 to 60 degrees, preferably between 20 to 50 degrees, more preferably between 30 to 35 degrees.
  • Example Ex 14 The cartridge assembly according to any of examples Ex 12 or
  • proximal surface of the recess is inclined with an inclination angle of between 10 to 70 degrees, preferably between 30 to 60 degrees, more preferably between 45 to 55 degrees.
  • Example Ex 15 The cartridge assembly according to any of examples Ex 12 to
  • Example Ex 16 The cartridge assembly according to any of Ex 6 to Ex 15, wherein the protrusion comprises a distal surface and a proximal surface, and wherein at least one of the proximal and distal surfaces of the protrusion are inclined.
  • Example Ex 17 The cartridge assembly according to example Ex 16, wherein the distal surface of the protrusion is inclined with an inclination angle of between 10 to 60 degrees, preferably between 20 to 50 degrees, more preferably between 30 to 35 degrees.
  • Example Ex 18 The cartridge assembly according to any of examples Ex 16 or
  • proximal surface of the protrusion is inclined with an inclination angle of between 10 to 70 degrees, preferably between 30 to 60 degrees, more preferably between 45 to 55 degrees.
  • Example Ex 19 The cartridge assembly according to any of examples Ex 16 to
  • Example Ex 20 The cartridge assembly according to any of the preceding examples, wherein the mouthpiece portion has a conical shape, preferably a conical shape with an elliptical cross-section.
  • Example Ex 21 The cartridge assembly according to any of the preceding examples, wherein the mouthpiece portion comprises a distal end which comprises the first connection element, and wherein the bottom portion comprises a proximal end which comprises the second connection element.
  • Example Ex 22 The cartridge assembly according to example Ex 21 , wherein the distal end of the mouthpiece portion has a larger diameter than the proximal end of the bottom portion.
  • Example Ex 23 The cartridge assembly according to any of example Ex 21 or Ex
  • both the distal end of the mouthpiece portion and the proximal end of the bottom portion have an elliptical cross-section.
  • Example Ex 24 The cartridge assembly according to any of the preceding examples, wherein an interference of the fist connection element and the second connection element is between 0.01 and 0.20 millimeters, preferably between 0.05 and 0.10 millimeters, more preferably about 0.08 millimeter.
  • Example Ex 25 The cartridge assembly according to any of the preceding examples, wherein the first connection element comprises a recess and the second connection element comprises a protrusion, wherein a gap is provided between a proximal portion of the recess and a proximal portion of the protrusion, and preferably wherein the gap is a coaxial gap.
  • Example Ex 26 The cartridge assembly according to any of the preceding examples, comprising an airflow channel.
  • Example Ex 27 The cartridge assembly according to any of the preceding examples, wherein the bottom portion comprises a heater, preferably wherein the heater is a mesh heater.
  • Example Ex 28 The cartridge assembly according to any of the preceding examples, wherein the bottom portion comprises a liquid wicking material.
  • Example Ex 29 An aerosol-generating system, comprising the cartridge assembly according to any of the preceding examples; and a main body comprising a cartridge connection portion, wherein the bottom portion of the cartridge assembly comprises a main body connection portion, and wherein the cartridge connection portion and the main body connection portion are configured to be reversibly connectable to each other.
  • Example Ex 30 The aerosol-generating system of example Ex 29, wherein the main body comprises a power supply and a controller.
  • Fig. 1A shows a cross sectional view of a cartridge assembly in an assembled state
  • Fig. 1 B shows a cross sectional view of a cartridge assembly in a disassembled state
  • Fig. 2A shows a cross sectional view and a 3D view of the mouthpiece, a cross sectional view of the assembled first and second connection elements and a 3D view of the bottom portion
  • Fig. 2B shows a main body
  • Fig. 3 shows a cross sectional view of the recess of the mouthpiece portion
  • Fig. 4 shows a cross sectional view of an embodiment of a protrusion of the bottom portion and a recess of the mouthpiece portion.
  • Fig. 1A shows a cross sectional view of a cartridge assembly 10 in an assembled state.
  • the cartridge assembly 10 comprises a mouthpiece portion 12 and a bottom portion 14.
  • the mouthpiece portion 12 comprises a mouth-end 16 and an airflow channel 18.
  • the bottom portion 14 comprises a liquid wicking material 20 in contact with a mesh heater 22.
  • the mouthpiece portion 12 and the bottom portion 14 enclose a liquid reservoir 24.
  • Fig. 1 B shows a cross sectional view of the mouthpiece portion 12 and the bottom portion 14 in a disassembled state.
  • the mouthpiece portion 12 comprises a distal end 28.
  • the distal end 28 comprises a first connection element as a recess 30 extending along the inner surface of the distal end 28.
  • the bottom portion 14 comprises a proximal end 32.
  • the proximal end 32 comprises as a second connection element a protrusion 34 extending around the proximal end 32.
  • FIG. 2A shows a cross sectional view and a 3D view of the mouthpiece.
  • the mouthpiece has a conical shape with an elliptical cross section.
  • Fig. 2A further shows a close up of the assembled first and second connection elements in which the protrusion 34 of the bottom portion 14 is inserted into the recess 30 of the mouthpiece portion 12. It can be seen that the protrusion 34 and the recess 30 have matching shapes and are in direct contact with each other when assembled.
  • Fig. 2A further shows a 3D view of the bottom portion 14.
  • the proximal end 32 comprising the protrusion 34 has an elliptical shape.
  • the bottom portion 14 comprises a main body connection portion 36.
  • the main body connection portion 36 is configured to be reversibly connected to a cartridge connection portion 38 of a main body 40, shown in Fig. 2B.
  • the main body 40 comprises a power supply 42 and a controller 44.
  • the cartridge assembly 10 and the main body 40 together form an aerosol-generating system.
  • Fig. 3 shows a cross sectional view of the recess 30 of the mouthpiece portion 12.
  • the recess has a depth 46.
  • the depth 46 of the recess 30 is the distance from an extension straight line 48 of the inner surface 50 of the mouthpiece portion 12, to the bottom surface 52 of the recess 30.
  • the depth 46 is preferably between 0.15 and 0.30 millimeters.
  • the recess 30 comprises a distal surface 54 and a proximal surface 56.
  • the distal surface 54 and the proximal surface 56 are connected via the bottom surface 52.
  • the cross section of the recess 30 has a rounded trapezoidal shape with the bottom surface 52 and the extension straight line 48 being nearly parallel.
  • Both the distal surface 54 and the proximal surface 56 are inclined.
  • the distal surface is inclined in an inclination angle 58 and the proximal surface is inclined in an inclination angle 60.
  • the inclination angle 58 is preferably between 30 to 35 degrees, more preferably about 32 degrees.
  • the inclination angle 60 is preferably between 45 to 55 degrees, more preferably about 50 degrees.
  • the length of the proximal surface 56 is larger than the length of the distal surface 54, both measured from the extension straight line 48 along the respective surfaces to the bottom surface 52.
  • the recess 30 is distanced from the distal end of the mouthpiece portion 12 in a distance 62.
  • the distance 62 is preferably between 0.5 and 1.1 millimeters, more preferably between 0.5 and 1.0 millimeters and even more preferably between 0.5 and 0.9 millimeters.
  • the mouthpiece portion 12 has a wall thickness 64. The wall thickness is preferably between 0.3 and 1.0 millimeter, more preferably between 0.4 and 0.8 millimeters.
  • the recess 30 has a corner 68.
  • the corner 68 may be rounded.
  • the mouthpiece 12 has an outer corner 70.
  • the outer corner 70 may be without a rounded edge for part ejection from injection mold.
  • the protrusion 34 (not shown in Fig 3) has a shape matching the recess 30 and thereby has approximately the same dimensions (length, inclination angle etc.) as the recess 30.
  • Fig. 4 shows an embodiment of the protrusion 34 of the bottom portion 14 and the recess 30 of the mouthpiece portion 12.
  • the inclination angel 58 is about 32 degree and the inclination angle 60 is about 50 degrees.
  • a gap 72 is provided Upon insertion of the protrusion 34 into the recess 30 a gap 72 is provided.
  • the gap 72 is provided between a proximal portion 74 of the protrusion 34 and a proximal portion 76 of the recess 30.

Abstract

L'invention concerne un ensemble cartouche (10) destiné à être utilisé dans un système de génération d'aérosol. L'ensemble cartouche comprend une partie embout buccal (12) comprenant un premier élément de raccordement et une partie inférieure (14) comprenant un second élément de raccordement. Le premier élément de raccordement et le second élément de raccordement sont conçus pour être reliés l'un à l'autre de manière irréversible. L'invention concerne en outre un système de génération d'aérosol comprenant l'ensemble cartouche.
PCT/EP2023/076101 2022-09-26 2023-09-21 Ensemble cartouche pour système de génération d'aérosol WO2024068433A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP22197807 2022-09-26
EP22197807.5 2022-09-26

Publications (1)

Publication Number Publication Date
WO2024068433A1 true WO2024068433A1 (fr) 2024-04-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2023/076101 WO2024068433A1 (fr) 2022-09-26 2023-09-21 Ensemble cartouche pour système de génération d'aérosol

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WO (1) WO2024068433A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180117268A1 (en) * 2015-04-29 2018-05-03 Poda Technologies Ltd. Vaporizer, apparatus, device, and methods
WO2019081568A1 (fr) * 2017-10-24 2019-05-02 British American Tobacco (Investments) Limited Cartouche pour un dispositif de distribution d'aérosol
EP3708207A1 (fr) * 2019-03-12 2020-09-16 Bongo Manufacturing, LLC Vaporisateur personnel et diffuseur d'aromathérapie
WO2021005367A1 (fr) * 2019-07-10 2021-01-14 Nicoventures Trading Limited Systèmes de distribution de vapeur
US20220030950A1 (en) * 2018-10-03 2022-02-03 Philip Morris Products S.A. Liquid supply system for use in aerosol-generating devices

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180117268A1 (en) * 2015-04-29 2018-05-03 Poda Technologies Ltd. Vaporizer, apparatus, device, and methods
WO2019081568A1 (fr) * 2017-10-24 2019-05-02 British American Tobacco (Investments) Limited Cartouche pour un dispositif de distribution d'aérosol
US20220030950A1 (en) * 2018-10-03 2022-02-03 Philip Morris Products S.A. Liquid supply system for use in aerosol-generating devices
EP3708207A1 (fr) * 2019-03-12 2020-09-16 Bongo Manufacturing, LLC Vaporisateur personnel et diffuseur d'aromathérapie
WO2021005367A1 (fr) * 2019-07-10 2021-01-14 Nicoventures Trading Limited Systèmes de distribution de vapeur

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