EP4395582A2 - Kartusche mit einem thermochromatischen und wärmeleitfähigen element - Google Patents

Kartusche mit einem thermochromatischen und wärmeleitfähigen element

Info

Publication number
EP4395582A2
EP4395582A2 EP22768857.9A EP22768857A EP4395582A2 EP 4395582 A2 EP4395582 A2 EP 4395582A2 EP 22768857 A EP22768857 A EP 22768857A EP 4395582 A2 EP4395582 A2 EP 4395582A2
Authority
EP
European Patent Office
Prior art keywords
thermo
aerosol
chromatic
cartridge
conductive element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22768857.9A
Other languages
English (en)
French (fr)
Inventor
Rui Nuno BATISTA
Serge LOPEZ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philip Morris Products SA
Original Assignee
Philip Morris Products 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 Philip Morris Products SA filed Critical Philip Morris Products SA
Publication of EP4395582A2 publication Critical patent/EP4395582A2/de
Pending legal-status Critical Current

Links

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
    • A24F40/10—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
    • A24F40/40—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
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures
    • 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
    • A24F40/50—Control or monitoring
    • A24F40/53—Monitoring, e.g. fault detection
    • 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
    • A24F40/50—Control or monitoring
    • A24F40/57—Temperature control
    • 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

Definitions

  • aerosol-forming substrate relates to a substrate capable of releasing volatile compounds that can form an aerosol. Such volatile compounds may be released by heating the aerosol-forming substrate.
  • the suitable materials may be capillary materials, such as a sponge or foam material, ceramic- or graphite-based materials in the form of fibres or sintered powders, foamed metal or plastics material, a fibrous material, for example made of spun or extruded fibres, such as cellulose acetate, polyester, or bonded polyolefin, polyethylene, terylene or polypropylene fibres, nylon fibres or ceramic.
  • the capillary wick may have any suitable capillarity and porosity so as to be used with liquid aerosol-forming substrates having different physical properties.
  • the liquid aerosol-forming substrate may have 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 wick must be suitable so that the required amount of liquid can be absorbed.
  • the replaceable cartridge may be electrically operated and the vaporizer may comprise an electric heating element for heating the aerosol-forming substrate.
  • the electric heating element may be powered by an electric power supply.
  • the electric heating element may comprise a single heating element.
  • the electric heating element may comprise more than one heating element for example two, or three, or four, or five, or six or more heating elements.
  • the heating element or heating elements may be arranged appropriately so as to most effectively heat the liquid aerosol-forming substrate.
  • electrically conductive refers to materials having an electrical resistivity of less than or equal to 1 x10-4 ohm metres (Q.m), at 20 degrees Celsius.
  • thermo-chromatic and thermo-conductive element may be in thermal contact with the wick.
  • thermo-chromatic and thermo-conductive element may be in thermal contact with the at least one heating element.
  • the liquid storage portion may be annular and may define an inner passageway surrounded by the liquid storage portion.
  • the replaceable cartridge may comprise a mouthpiece.
  • the mouthpiece may comprise the cartridge air outlet.
  • the replaceable cartridge may comprise any suitable number of cartridge air outlets.
  • the replaceable cartridge may comprise a plurality of cartridge air outlets.
  • length denotes the dimension of a component of the replaceable cartridge, the aerosol-generating system and the aerosol-generating device in the longitudinal direction.
  • PTC thermistors and NTC thermistors are thermally sensitive resistors which may be heated when an electric current is supplied to them.
  • the temperature and the resistance of the PTC thermistor or NTC thermistor may vary according to a function which relates both parameters.
  • the transparent portion may allow a user to perceive the chromatic change of the thermo-chromatic and thermo-conductive and thus interpret that the vaporiser is overheated.
  • the transparent portion may correspond to a section of the housing.
  • the transparent portion may correspond to the entire housing.
  • the aerosol-generating system may comprise any of the above replaceable cartridges and a reusable aerosol-generating device.
  • the reusable aerosol-generating device may comprise a power supply configured to provide power to the vaporiser.
  • aerosol-generating system refers to the combination of an aerosol-generating device and the cartridge comprising the aerosol-forming substrate.
  • the aerosol-generating system comprises the replaceable cartridges described above, the advantages specified above for the replaceable cartridges also apply to the system itself.
  • the aerosol-generating device may comprise a control unit.
  • the control unit may be any suitable control unit.
  • the control unit may comprise any suitable electric circuitry and electrical components.
  • the control unit may comprise a processor and a memory.
  • the control unit may be configured to control the supply of power, such as an electric current, from the power supply to the vaporiser of the replaceable cartridge.
  • the control unit may comprise electric circuitry connected to the power supply and the vaporiser.
  • the electric circuitry may comprise a microprocessor.
  • the microprocessor may be a programmable microprocessor, a microcontrol unit, an application specific integrated chip (ASIC) or other electronic circuitry capable of providing control.
  • ASIC application specific integrated chip
  • the electric circuitry may comprise further electronic components.
  • the control unit may be configured to supply power continuously to the vaporiser following activation of the aerosol-generating device.
  • the control unit may be configured to supply power intermittently to the vaporiser.
  • the control unit may be configured to supply power to the vaporiser on a puff-by-puff basis.
  • the control unit may be configured to determine or estimate the temperature of the vaporiser, the thermo-chromatic and thermo-conductive element or both the vaporiser and the thermo-chromatic and thermo-conductive element and to stop the supply of power from the power supply to the vaporiser when the determined or estimated temperature exceeds a predetermined threshold stored in the control unit.
  • the determination or estimation of the temperature of the vaporiser, the thermo- chromatic and thermo-conductive element or both the vaporiser and the thermo-chromatic and thermo-conductive element and stopping the supply of power when a determined or estimated temperature exceeds a pre-determined threshold stored in the control unit may be beneficial to ensure that the aerosol-generating system is not operative when the vaporiser is overheated. This may reduce the risk of using the aerosol-generating system when the vaporiser is overheated, for example due to an insufficient supply of liquid-aerosol-forming substrate to the wick. This may diminish the risk of inhaling undesirable compounds, aerosols with undesired smell, flavour or particle size, or a combination of them, thus improving a user’s experience.
  • the temperature of the vaporiser, the thermo-chromatic and thermo-conductive element or both the vaporiser and the thermo-chromatic and thermo-conductive element may be determined or estimated as a function of the conductivity of a component of the vaporiser, the thermo-chromatic and thermo-conductive element or both the vaporiser and the thermo- chromatic and thermo-conductive element, relying on the known relationship between conductivity and temperature of a certain material. This may provide for a precise and inexpensive manner of determining or estimating the temperature of the vaporiser, the thermo- chromatic and thermo-conductive element or both the vaporiser and the thermo-chromatic and thermo-conductive element.
  • the aerosol-generating device may comprise a display or audible alarm.
  • the control unit being may be configured to change a warning signal emitted by the display or audible alarm when the determined or estimated temperature exceeds the pre-determined threshold stored in the control unit.
  • the change in the warning signal may be advantageous to provide a user with an indication that the replaceable cartridge needs to be replaced.
  • the warning signal may be used in addition to the provision of the thermo-chromatic and thermo-conductive element, thus providing a double indication about the suitability of the replaceable cartridge.
  • the pre-determined temperature threshold stored in the control unit may be between about 240 degrees Celsius and 250 degrees Celsius, preferably 245 degrees Celsius.
  • the electric circuitry may be operable to disable the replaceable cartridge in a permanent manner when the determined or estimated temperature exceeds the predetermined threshold stored in the control unit.
  • the power supply may be any suitable type of power supply.
  • the power supply may be a DC power supply.
  • the power supply may be a battery, such as a rechargeable lithium ion battery.
  • the power supply may be another form of charge storage device, such as a capacitor.
  • the power supply may require recharging.
  • the power supply may have a capacity that allows for the storage of enough energy for one or more uses of the device.
  • the power supply may have sufficient capacity to allow for the continuous generation of aerosol for a period of around six minutes, corresponding to the typical time taken to smoke a conventional cigarette, or for a period that is a multiple of six minutes.
  • the power supply may have sufficient capacity to allow for a predetermined number of uses of the device or discrete activations.
  • the aerosol-generating device may advantageously comprise a DC/AC inverter, which may comprise a Class-C, Class-D or Class-E power amplifier.
  • the aerosol-generating device may further comprise a DC/DC converter between the power supply and the DC/AC inverter.
  • the aerosol-generating device may comprise a device housing.
  • the device housing may be elongate.
  • the term “elongate” means that an element has a length dimension that is greater than its width dimension or its diameter dimension, for example twice or more its width dimension or its diameter dimension.
  • the device housing may comprise any suitable material or combination of materials.
  • 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.
  • PEEK polyetheretherketone
  • the material may be light and non-brittle.
  • the device air inlet may constitute the air inlet of the aerosol-generating system.
  • the cartridge air outlet may constitute the air outlet of the aerosol-generating system.
  • the aerosol-generating device may further comprise a removable cover that covers the USB plug or USB socket when not in use.
  • the USB plug or USB socket is a USB plug
  • the USB plug may be selectively retractable within the device.
  • a replaceable cartridge comprising:
  • vaporiser configured to vaporise the liquid aerosol-forming substrate
  • thermo-chromatic and thermo-conductive element in thermal contact with the vaporiser, the thermo-chromatic and thermo-conductive element having a temperature threshold beyond which the thermo-chromatic and thermo-conductive element performs a chromatic change;
  • the cartridge air inlet and the cartridge air outlet being arranged to define an air flow route between the cartridge air inlet and the cartridge air outlet, the cartridge air outlet being configured to allow the exit of vaporised liquid aerosol-forming substrate.
  • Ex12 The replaceable cartridge of Ex11 , wherein the electric heating element is a resistive heating element.
  • a reusable aerosol-generating device comprising a power supply configured to provide power to a vaporiser of the replaceable cartridge of any one of Ex1 to Ex35.
  • Ex37. The reusable aerosol-generating device of Ex36, wherein the power supply is configured to be electrically connected to the vaporiser of the replaceable cartridge of any one of Ex1 to Ex35.
  • Ex55 The aerosol-generating system of any one of Ex47 to Ex54, wherein the predetermined threshold stored in the control unit is substantially the same as the temperature threshold of the thermo-chromatic and thermo-conductive element.
  • the replaceable cartridge 1 comprises a housing 6 that comprises a transparent portion, the transparent portion allowing the thermo-chromatic and thermo-conductive element 20 to be seen from the exterior of the replaceable cartridge 1.
  • the transparent portion is an outer peripheral wall of the housing 6.
  • the power supply 101 and the control unit 102 are all housed within a device housing 107.
  • the control unit 102 is arranged at the proximal end of the device 100.
  • An electrical connector 103 is arranged at a distal end of the device housing 107.
  • the control unit 102 comprises a DC/AC inverter, including a Class-D power amplifier.
  • the control unit 102 is also configured to control recharging of the power supply 101 from the electrical connector 103.
  • the control unit 102 further comprises a sensor (not shown) configured to sense when a user is drawing on the aerosol-generating system 200.
  • the aerosol-generating device 100 comprises a display 104.
  • the control unit 102 is configured to change a warning signal emitted by the display 104 when the determined or estimated temperature exceeds the pre-determined threshold stored in the control unit 102.
  • the pre-determined temperature threshold stored in the control unit 102 is substantially the same as the temperature threshold of the thermo-chromatic and thermo-conductive element 20. This may provide for a coherent double indication about the suitability of the replaceable cartridge by means of the chromatic change of the thermo- chromatic and thermo-conductive element 20 and the warning signal emitted by the display 104.

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Catching Or Destruction (AREA)
  • Pens And Brushes (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
EP22768857.9A 2021-08-31 2022-08-30 Kartusche mit einem thermochromatischen und wärmeleitfähigen element Pending EP4395582A2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP21194121 2021-08-31
PCT/EP2022/074080 WO2023031197A2 (en) 2021-08-31 2022-08-30 Cartridge comprising a thermo-chromatic and thermo-conductive element

Publications (1)

Publication Number Publication Date
EP4395582A2 true EP4395582A2 (de) 2024-07-10

Family

ID=77595324

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22768857.9A Pending EP4395582A2 (de) 2021-08-31 2022-08-30 Kartusche mit einem thermochromatischen und wärmeleitfähigen element

Country Status (6)

Country Link
US (1) US20240358072A1 (de)
EP (1) EP4395582A2 (de)
JP (1) JP2024530273A (de)
KR (1) KR20240058119A (de)
CN (1) CN117835849A (de)
WO (1) WO2023031197A2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120188934A (zh) * 2023-12-22 2025-06-24 尼科创业贸易有限公司 一种气溶胶供应系统及方法
KR20260023139A (ko) * 2024-08-09 2026-02-20 주식회사 케이티앤지 에어로졸 생성장치

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120034933A (ko) * 2010-10-04 2012-04-13 김남숙 전자 담배

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9675109B2 (en) * 2005-07-19 2017-06-13 J. T. International Sa Method and system for vaporization of a substance
KR102325370B1 (ko) * 2019-07-23 2021-11-11 주식회사 케이티앤지 증기화기 및 이를 포함하는 에어로졸 생성 장치
WO2021152137A1 (en) * 2020-01-30 2021-08-05 Nerudia Limited Aerosol delivery apparatus
CN111955798A (zh) * 2020-09-09 2020-11-20 中国科学技术大学先进技术研究院 烟草抽吸装置
KR102647902B1 (ko) * 2020-11-10 2024-03-14 주식회사 케이티앤지 에어로졸 생성 장치용 카트리지 및 이를 포함하는 카트리지 조립체

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120034933A (ko) * 2010-10-04 2012-04-13 김남숙 전자 담배

Also Published As

Publication number Publication date
WO2023031197A2 (en) 2023-03-09
CN117835849A (zh) 2024-04-05
US20240358072A1 (en) 2024-10-31
JP2024530273A (ja) 2024-08-16
WO2023031197A3 (en) 2023-04-27
KR20240058119A (ko) 2024-05-03

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