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
  • A24F40/30—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
  • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
  • A24D1/00—Cigars; Cigarettes
  • A24D1/20—Cigarettes specially adapted for simulated smoking devices
• • 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
• • 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
  • A24F40/44—Wicks
• • 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
  • A24F40/46—Shape or structure of electric heating means
• • 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
  • A24F40/46—Shape or structure of electric heating means
  • A24F40/465—Shape or structure of electric heating means specially adapted for induction heating
• • 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
  • A24F40/48—Fluid transfer means, e.g. pumps
  • A24F40/485—Valves; Apertures
• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
  • H05B6/00—Heating by electric, magnetic or electromagnetic fields
  • H05B6/02—Induction heating
  • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
  • H05B6/105—Induction heating apparatus, other than furnaces, for specific applications using a susceptor
• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
  • H05B6/00—Heating by electric, magnetic or electromagnetic fields
  • H05B6/02—Induction heating
  • H05B6/36—Coil arrangements

Definitions

• an aerosol-generating system comprising an aerosol-generating device and a consumable for the aerosol-generating device.
• the aerosol-generating device comprises a cavity for receiving the consumable and a first heating element arranged to at least partly heat the consumable when the consumable is received in the cavity.
• the aerosol-generating device further comprises an airflow channel.
• the airflow channel is arranged to direct air through the device and into the cavity.
• the consumable comprises a tubular wall. The tubular wall extends from a distal opening of the consumable to an opposite proximal opening of the consumable. The consumable is arranged, when the consumable is received in the cavity, such that the air flowing into the cavity from the airflow channel flows into the distal opening of the consumable.
• the tubular wall with such a thickness may provide dimensional stability to the consumable.
• the tubular wall may have a porosity such that vapor may escape through the tubular wall to create a pleasant flavor of the consumable during operation of the aerosol-generating device.
• the consumable may have an outer diameter of between 4.1 mm to 9 mm, preferably between 4.5 mm to 7.7 mm.
• the consumable may have a length of between 34 mm to 108 mm, preferably between 50 mm and 70 mm.
• the aerosol-generating device may further comprise a liquid storage portion containing liquid aerosol-forming substrate.
• the aerosol-generating device may be configured as a hybrid device.
• the liquid storage portion containing the liquid aerosol-forming substrate may be configured to generate an inhalable aerosol.
• the consumable received in the cavity may be configured to provide flavor to the generated aerosol.
• the second heating element may heat the liquid aerosol-forming substrate.
• the second heating element may have the function of creating the aerosol upstream of the cavity.
• the volatilized liquid aerosol-forming substrate may cool down during the flow of the volatilized liquid aerosol-forming substrate through the consumable airflow channel. Small droplets may form during cooling of the volatilized liquid aerosol-forming substrate thereby generating an improved inhalable aerosol.
• the air inlet may be arranged in a housing of the aerosol-generating device.
• the air inlet may be a lateral air inlet.
• Ambient air may be drawn into the aerosol-generating device via the air inlet.
• the ambient air may be drawn laterally into the aerosol-generating device.
• the air inlet may be fluidly connected with a device airflow channel.
• the device airflow channel may be configured for directing the ambient air one or more of against and over and around the second heating element.
• the first heating element may be an inductive heating element.
• the first heating element may be configured to be heated to a temperature of between 190° C and 280° C, more preferably to a temperature of between 210° C and 270° C.
• the tubular wall may be made of at least one internal layer of cellulose-based, paperbased, foil.
• the tubular wall may comprise one or more of cellulose acetate tow and other fiber-based materials, preferably high retention and release materials.
• the sensorial media may be a flavourant that is coated onto or applied to or impregnated into one or both of the inner surface of the tubular wall and the outer surface of the tubular wall as described herein.
• the consumable may consist of the tubular wall and a layer of sensorial media on the inner surface of the tubular wall or the consumable may consist of the tubular wall and a layer of sensorial media on the inner surface of the tubular wall and a tipping paper surrounding the tubular wall as described herein.
• the aerosol-generating device may comprise a power supply, typically a battery, within a main body of the aerosol-generating device.
• the power supply is 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 be another form of charge storage device such as a capacitor.
• a wall of the housing of the aerosol-generating device may be provided with the at least one air inlet.
• the air inlet may be a semi-open inlet.
• the semi-open inlet may be an inlet which permits air or fluid flow in one direction, such as into the device, but at least restricts, preferably prohibits, air or fluid flow in the opposite direction.
• the semi-open inlet preferably allows air to enter the aerosol-generating device. Air or liquid may be prevented from leaving the aerosolgenerating device through the semi-open inlet.
• the semi-open inlet may for example be a semi-permeable membrane, permeable in one direction only for air, but is air- and liquid-tight in the opposite direction.
• the semi-open inlet may for example also be a one-way valve.
• the airflow rate is a parameter characterizing the amount of air that is drawn through the airflow channel of the aerosol-generating device per time by the user.
• the initiation of the puff may be detected by the airflow sensor when the airflow exceeds a predetermined threshold. Initiation may also be detected upon a user activating a button.
• upstream As used herein, the terms ‘upstream’, ‘downstream’, ‘proximal’ and ‘distal’ are used to describe the relative positions of components, or portions of components, of the aerosolgenerating device in relation to the direction in which a user draws on the aerosol-generating device during use thereof.
• the second heating element may take the form of one or more flexible heating foils on a dielectric substrate, such as polyimide.
• the flexible heating foils can be shaped to conform to the perimeter of the substrate receiving cavity.
• the second heating element may take the form of a metallic grid or grids, a flexible printed circuit board, a molded interconnect device (MID), ceramic heater, flexible carbon fibre heater or may be formed using a coating technique, such as plasma vapour deposition, on a suitable shaped substrate.
• the second heating element is configured as a helical resistive heating coil surrounding the capillary material.
• the second heating element may also be formed using a metal having a defined relationship between temperature and resistivity. In such an exemplary device, the metal may be formed as a track between two layers of suitable insulating materials. The second heating element formed in this manner may be used to both heat and monitor the temperature of the second heating element during operation.
• the first induction heating element may be arranged at least partly, preferably fully, surrounding the distal portion of the cavity.
• the susceptor element is preferably configured as a cylindrical susceptor at least partly surrounding the cavity or forming the sidewall of the cavity.
• Figs. 1A and 1 B show an aerosol-generating system comprising an aerosol- generating device and a consumable
• the tubular wall 12 extends over the full length of the consumable 10.
• the tubular wall 12 has a hollow cylindrical shape, tubular wall 12 crates the dimensional stability of the consumable 10. Air can flow through the tubular wall 12.
• the tubular wall 12 creates the consumable airflow channel 14.
• the consumable airflow channel 14 is arranged to run centrally through the consumable 10.
• the tubular wall 12 is preferably porous such that at least flavor being drawn can permeate through the tubular wall 12 to a degree. This is illustrated in Figure 1 B near a proximal end 38 of the consumable 10.
• FIGs 3A and 3B show further detailed and alternatives of the aerosol-generating device 16.
• the aerosol-generating device 16 of Figures 1 B and 2B is shown.
• the aerosol-generating device 16 further comprises a main body 42 with a power supply 36 in the form of a battery.
• a version of the aerosol-generating device 16 is shown in which the first heating element is omitted.
• the consumable 10 in this embodiment is provided with sensorial media 34 which releases the contained flavorant at ambient temperatures or at slightly higher temperatures provided by the hot air being drawn into the consumable airflow channel 14 and being heated by the heating coil 30.

Landscapes

• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• Catching Or Destruction (AREA)
• Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
• Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Priority Applications (5)

Applications Claiming Priority (2)

Publications (1)

Family

ID=78824991

Family Applications (1)

Country Status (6)

Cited By (1)

Citations (3)

• 2022
  • 2022-12-05 EP EP22830237.8A patent/EP4444120B1/en active Active
  • 2022-12-05 JP JP2024534386A patent/JP2024543643A/ja active Pending
  • 2022-12-05 US US18/715,399 patent/US20250017265A1/en active Pending
  • 2022-12-05 WO PCT/EP2022/084428 patent/WO2023104720A1/en not_active Ceased
  • 2022-12-05 CN CN202280072881.0A patent/CN118175939A/zh active Pending
  • 2022-12-05 KR KR1020247018758A patent/KR20240113913A/ko active Pending

Patent Citations (3)

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