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
  • A24F40/60—Devices with integrated user interfaces
• • 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
  • A24F40/46—Shape or structure of electric heating means

Definitions

• Aerosol generating device with intuitive user interface
• an aerosol generating device comprising a heating assembly comprising a heating compartment arranged to receive an aerosol generating article , the aerosol generating article having multiple resistive tracks provided on a surface thereof ; and an electric circuitry comprising a pair of electrical contacts arranged to be in contact with the surface of the aerosol generating article ; wherein the electric circuity is arranged to measure a resistance of a surface path between the pair of electrical contacts , and to control an operation of the aerosol generating device based on the measured resistance ; and wherein, when the surface path includes one of the multiple resistive tracks , a closed electrical circuit with the pair of electrical contacts is formed .
• Fig . 1 shows a cross-sectional view of an aerosol generating device according to an embodiment of the present invention
• Fig . 3A shows a perspective view of an aerosol generating article having a cylindrical form according to an embodiment of the present invention
• Fig . 3B shows a rolled-out version of the cylindrical portion of the surface of an aerosol generating device having a cylindrical form according to an embodiment of the present invention
• Fig . 4A shows a plot of the measured resi stance over time when rotating the aerosol generating article according to an embodiment of the present invention clockwise ;
• Fig . 4B shows a plot of the measured resi stance over time when rotating the aerosol generating article according to an embodiment of the present invention counterclockwise ;
• Fig . 5A shows a rolled-out version of a cylindrical portion of a surface of an aerosol generating article according to an embodiment of the present invention
• Fig . 5B shows a rolled-out version of a cylindrical portion of a surface of an aerosol generating article according to an embodiment of the present invention
• Fig . 5C shows a rolled-out version of a cylindrical portion of a surface of an aerosol generating article according to an embodiment of the present invention.
• Fig . 5D shows a rolled-out version of a cylindrical portion of a surface of an aerosol generating article according to an embodiment of the present invention .
• speci fic embodiments serve to provide the skilled person with a better understanding but are not intended to in any way restrict the scope of the invention, which is defined by the appended claims .
• embodiments described independently throughout the description can be combined to form further embodiments to the extent that they are not mutually exclusive .
• Fig . 1 shows an aerosol generating device 1 and an aerosol generating article 4 .
• the aerosol generating device 1 comprises a heating assembly 2 comprising a heating compartment 3 arranged to receive the aerosol generating article 4 .
• the aerosol generating article 4 has multiple resistive tracks (not shown) provided on a surface thereof .
• the aerosol generating device 1 further comprises an electric circuitry comprising a pair of electrical contacts .
• the pair of electrical contacts is arranged to be in contact with the surface of the aerosol generating article 4 .
• the electric circuity is arranged to measure a resistance of a surface path between the pair of electrical contacts , and to control an operation of the aerosol generating device 1 based on the measured resistance .
• the aerosol generating device 1 may comprise a power source .
• the power source may provide power to the heating assembly 2 and the electric circuitry .
• the power source may be a DC power source such as a battery .
• the power source may be an AC power source .
• the power supply may apply a predetermined voltage to the pair of electrical contacts 5a, 5b, wherein the pair of electrical contacts 5a, 5b may be energi zed continuously or periodically .
• the heating assembly 2 may comprise a heater arranged to heat the aerosol generating substrate comprised within the aerosol generating article 4 received in the heating compartment 3 .
• the generated aerosol may then be discharged from the aerosol generating article 4 and may be inhaled by a user .
• the heater may be an induction heater such as an induction coil .
• the heater may be a resistive heater such as a heating pin insertable into the aerosol generating article 4 .
• the heating assembly 2 may heat the aerosol generating substrate to a temperature , for example , in the range 150 ° C to 300 ° C .
• the heating compartment 3 may have a longitudinal axi s defining a longitudinal direction, as indicated by the dashed line in Fig . 1 , and may be formed of a metal cup having an internal space to receive the aerosol generating article 4 , and a film heater or any other form of heater may be attached to the metal cup .
• a heat-resistant material including polymers and ceramics may be used to form the heating compartment 3 .
• a heat-resistant polymers is polyether ether ketone ( PEEK) .
• PEEK polyether ether ketone
• the aerosol generating article 4 may protrude outside the aerosol generating device 1 , and the heating compartment 3 may further be arranged to allow the aerosol generating article 4 to be rotated therein .
• clockwise and counterclockwise rotations are indicated by the arrows in, wherein the axis of rotation is the longitudinal axis .
• the user may grab the protruding portion of the aerosol generating article 4 in order to rotate the aerosol generating article 4 .
• Fig . 2 shows a perspective view of the aerosol generating article 4 according to an embodiment of the present invention showing clockwise and counterclockwise rotations of an aerosol generating article 4 .
• Fig . 3A shows such a configuration of the aerosol generating article 4 with an exemplary arrangement of resistive tracks and Fig . 3B shows the corresponding rolled-out version of the cylindrical portion of the surface .
• the surface of the aerosol generating article 4 may comprise three di f ferent resistive tracks .
• the pair of electrical contacts may be aligned parallel to the cylindrical portion of the surface of the aerosol generating article 4 .
• the linear distance between the pair of electrical contacts 5a, 5b may be parallel to the longitudinal axis .
• the pair of electrical contacts 5a, 5b may contact any one of the three resistive tracks shown in Fig . 3B at the circular-shaped endpoints .
• the electric circuitry may determine that the aerosol generating article 4 is rotated clockwise in response to measuring a sequence comprising at least three di f ferent measured resistances which increasing magnitude .
• Fig . 4A shows a plot of the measured resistance over time when rotating the aerosol generating article 4 of Figs . 3A and 3B clockwise .
• the electric circuitry may determine that the aerosol generating article 4 is rotated counterclockwise in response to measuring a sequence comprising at least three di f ferent measured resistances which decreasing magnitude .
• Fig . 4B shows a plot of the measured resistance over time when rotating the aerosol generating article 4 of Figs . 3A and 3B counterclockwise .
• the aerosol generating article 4 may comprise a paper wrapping and the one or more of the multiple resistive tracks may be printed onto the paper wrapping .
• the cylindrical portion of the surface of the aerosol generating article 4 may be formed by the paper wrapping .
• the material of the paper wrapping may be non-conductive .
• Figs . 5A to 5D show rolled-out versions of the cylindrical portions of the surfaces of various aerosol generating articles , each having a di f ferent layout of the multiple resistive tracks provided thereon .
• the multiple resistive tracks are order by increasing resistance from left to right .
• the multiple resistive tracks have di f ferent numbers of windings .
• the multiple resistive tracks have a common endpoint provided as a conductive strip going around the cylindrical portion of the surface perpendicular to the longitudinal axis .
• the multiple resistive tracks di f fer in the longitudinal length of their windings .
• the multiple resistive tracks di f fer in their thickness .
• the electric circuitry may control an operation of the aerosol generating device 1 such as switching the aerosol generating device 1 on or of f , increasing or decreasing the amount of power provided to the heating assembly 2 and the like .
• the operation may comprise selecting a power profile and providing power to the heating assembly 2 according to the selected power profile .
• the power profile may indicate that no power is to be provided to the heating assembly 2 , when the measured resistance is outside a predetermined range .
• the measured resistance is outside the predetermine range , which may, for example , be defined as the range given by the minimum and maximum value of resistances of the resistive tracks .

Landscapes

• Engineering & Computer Science (AREA)
• Human Computer Interaction (AREA)
• Control Of Resistance Heating (AREA)
• Resistance Heating (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=83152053

Family Applications (1)

Country Status (6)

Family Cites Families (3)

• 2023
  • 2023-08-28 TW TW112132274A patent/TW202408386A/zh unknown
  • 2023-08-28 KR KR1020257003390A patent/KR20250050871A/ko active Pending
  • 2023-08-28 EP EP23762209.7A patent/EP4580452A1/de active Pending
  • 2023-08-28 CN CN202380059766.4A patent/CN119654084A/zh active Pending
  • 2023-08-28 WO PCT/EP2023/073485 patent/WO2024046947A1/en not_active Ceased
  • 2023-08-28 JP JP2025505425A patent/JP2025527420A/ja active Pending

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