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WO2025210534A1 - Dispositif et procédé de libération d'aérosol constant dans un système de génération d'aérosol - Google Patents

Dispositif et procédé de libération d'aérosol constant dans un système de génération d'aérosol

Info

Publication number
WO2025210534A1
WO2025210534A1 PCT/IB2025/053460 IB2025053460W WO2025210534A1 WO 2025210534 A1 WO2025210534 A1 WO 2025210534A1 IB 2025053460 W IB2025053460 W IB 2025053460W WO 2025210534 A1 WO2025210534 A1 WO 2025210534A1
Authority
WO
WIPO (PCT)
Prior art keywords
aerosol
temperature
heating
track
generating device
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
PCT/IB2025/053460
Other languages
English (en)
Inventor
Anindya KASTHA
Gaurav Nayan KHANDEKAR
Venkataraman Kasiappan
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.)
ITC Ltd
Original Assignee
ITC Ltd
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 ITC Ltd filed Critical ITC Ltd
Publication of WO2025210534A1 publication Critical patent/WO2025210534A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • A24F40/46—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
    • A24F40/50—Control or monitoring
    • A24F40/51—Arrangement of sensors
    • 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
    • A24F40/20—Devices using solid inhalable precursors

Definitions

  • the present invention relates to an aerosol generating device and method. More particularly, the present invention relates to the aerosol generating device and method for releasing consistent aerosol in an aerosol-generating system.
  • An aerosol-generating device are configured to heat an aerosol -generating substrate material.
  • the device typically consists of a heater assembly with a control body.
  • the heater assembly contains a cavity to accommodate an aerosol-generating article for aerosolization.
  • the aerosol -generating article comprises an aerosol generating substrate and other segments.
  • the aerosol-generating device heats the aerosol-generating substrate of the aerosol -generating article and releases the aerosol.
  • the release of aerosol substantially depends upon the heating temperature. It is essential for the heat to be distributed sufficiently throughout the aerosol-generating substrate segment to ensure that the optimum substrate temperature is achieved.
  • Figure 2 is a schematic representation illustrating the heating cycle, according to an embodiment of the present invention.
  • the temperature-measuring sensor track is embedded alongside the resistive heating track.
  • the temperature-measuring sensor track measures the temperature during the heating cycle.
  • the controller receives input from the temperature sensor track and uses a pre-programmed multi-phase temperature profile. Based on predefined temperature profiles and heating phases, the controller adjusts power distribution to the heating element and the current temperature reading. The controller adjusts the power supplied to the resistive heating track, ensuring, and maintaining the target temperatures for each phase.
  • the heating cycle parameters are customizable, allowing the user to select specific temperature settings.
  • the height of the tapered head is within the range of 1 mm to 5 mm.
  • the resistive heater is configured to be used alone or in combination with other heaters.
  • a method for consistent aerosol delivery in an aerosol-generating device includes receive an aerosol-generating substrate (103A) using at least one heater (104), heating the aerosol -generating substrate using a heating track on the said heater, and measuring temperature variations in real time using a temperature-measuring sensor track embedded alongside the heating track while receiving temperature input from the temperaturemeasuring sensor track at a controller and implementing a multi -phase heating cycle via the controller, wherein the heating cycle comprises at least two distinct phases, each phase corresponding to a specific temperature range and time duration and dynamically regulating power supplied to the heating track on the said heater.
  • the multi-phase heating cycle further comprises at least two phases, with temperature ranging from 335 to 395, operating between 0-340 seconds.
  • the method further describes monitoring temperature feedback in real time by adjusting power to the heating track based on pre-programmed heating profiles, and preventing overheating by incorporating temperature limits and automatic shutoff mechanisms.
  • the heating element comprises a resistive heating track which is made up of at least one metal or its alloy.
  • the resistive heating track has a tapered head of not more than 3 mm.
  • the present invention discloses a temperature profile specifically for the cylindrical resistive heater, allowing for consistent aerosol generation within the aerosol-generating substrate.
  • the present invention is able to achieve this by dividing the duration of the aerosol generation-delivery cycle into at least two distinct phases based on the power provided to reach and maintain the predefined temperature.
  • Figure 1 discloses the aerosol generating device (100) consists of main body (101) and extractor (102) and aerosol generating article (103) comprising an aerosol generating substrate segment (103 -A).
  • the heater assembly contains a cavity to accommodate an aerosol-generating article for aerosolization.
  • the aerosolgenerating article comprises an aerosol -generating substrate and other segments.
  • the device comprises a resistive heater (104) cylindrical in shape with a tapered head, at one of its ends, configured to penetrate an aerosol -generating substrate (103-A).
  • Figure 2 discloses the heating cycle of the present invention.
  • maximum power is provided to the heater to quickly increase the temperature of the heater from the initial temperature (TO) to the first temperature (Tl).
  • power is provided to decrease and maintain the temperature from the first temperature (Tl) to second temperature (T2) wherein T2 ⁇ Tl.
  • power is provided to reduce and maintain the temperature from second temperature (T2) to third temperature (T3) wherein T3 ⁇ T2.
  • power is further decreased to decrease and maintain the temperature from third temperature (T3) to fourth temperature (T4) wherein T4 ⁇ T3.
  • power is provided to increase and maintain the temperature from fourth temperature (T4) to fifth temperature (T5) wherein T5 > T4.
  • power is provided to increase and maintain the temperature from fifth temperature (T5) to sixth temperature (T6) wherein T6 > T5.
  • the temperature (T1-T6) is the maximum temperature of the cylindrical heater.
  • the temperature of the heater is measured by the controller from the change in the resistance of the dedicated sensor tracks printed on the cylindrical heater.
  • the present invention ensures consistent aerosol production by controlling the heating cycle, resulting in uniform aerosol output over time.
  • the present invention minimizes energy consumption while maintaining optimal heating conditions.
  • the cylindrical shape and tapered head of the resistive heater allow for efficient penetration into the aerosol -generating substrate, ensuring thorough and effective heating throughout the aerosol-production process.
  • the present invention provides customizable temperature control options, allowing users to adjust temperature settings based on specific applications.

Landscapes

  • Control Of Resistance Heating (AREA)

Abstract

La présente invention divulgue un dispositif de génération d'aérosol pour libérer un aérosol constant. Le dispositif comprend un dispositif de chauffage résistif (104) qui est de forme cylindrique avec une tête amincie, à l'une de ses extrémités, conçue pour pénétrer dans un substrat de génération d'aérosol (103-A), une piste de chauffage résistive, conçue pour générer de la chaleur pour aérosoliser le substrat de génération d'aérosol et une piste de capteur de mesure de température, intégrée le long de la piste de chauffage résistive, confiçue pour mesurer des variations de température pendant le cycle de chauffage. En outre, le dispositif comprend un dispositif de commande configuré pour recevoir une entrée provenant de la piste de capteur de mesure de température, mettre en œuvre un cycle de chauffage multiphase, régler la distribution de puissance afin de maintenir des profils de température prédéfinis, le cycle de chauffage comprenant au moins deux phases distinctes, et réguler dynamiquement la puissance fournie à la piste de chauffage résistive afin d'assurer une distribution d'aérosol constante tout en réduisant au minimum la consommation d'énergie.
PCT/IB2025/053460 2024-04-04 2025-04-02 Dispositif et procédé de libération d'aérosol constant dans un système de génération d'aérosol Pending WO2025210534A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN202411027815 2024-04-04
IN202411027815 2024-04-04

Publications (1)

Publication Number Publication Date
WO2025210534A1 true WO2025210534A1 (fr) 2025-10-09

Family

ID=95398652

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2025/053460 Pending WO2025210534A1 (fr) 2024-04-04 2025-04-02 Dispositif et procédé de libération d'aérosol constant dans un système de génération d'aérosol

Country Status (1)

Country Link
WO (1) WO2025210534A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9498000B2 (en) 2012-12-28 2016-11-22 Philip Morris Products S.A. Heated aerosol-generating device and method for generating aerosol with consistent properties
CN108652088A (zh) * 2018-08-06 2018-10-16 云南中烟工业有限责任公司 一种新型卷烟加热元件及其制备方法
WO2020193220A1 (fr) * 2019-03-22 2020-10-01 Nerudia Limited Système de substitution pour fumeurs
EP3818854A2 (fr) * 2019-06-18 2021-05-12 KT&G Corporation Dispositif de production d'aérosol et son procédé de fonctionnement
US11141548B2 (en) 2016-07-26 2021-10-12 British American Tobacco (Investments) Limited Method of generating aerosol
US20220142249A1 (en) * 2017-10-30 2022-05-12 Kt&G Corporation Aerosol generating device having heater
WO2022139329A1 (fr) * 2020-12-22 2022-06-30 Kt&G Corporation Dispositif et système de génération d'aérosol
US20230270178A1 (en) 2020-09-04 2023-08-31 Philip Morris Products S.A. Smoking device with heating profile based on puff frequency
WO2023175769A1 (fr) * 2022-03-16 2023-09-21 日本たばこ産業株式会社 Unité d'alimentation électrique de générateur d'aérosol et procédé de commande associé
US20230320427A1 (en) 2020-09-04 2023-10-12 Philip Morris Products S.A. Smoking device with heating profile based on puff volume

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9498000B2 (en) 2012-12-28 2016-11-22 Philip Morris Products S.A. Heated aerosol-generating device and method for generating aerosol with consistent properties
US11141548B2 (en) 2016-07-26 2021-10-12 British American Tobacco (Investments) Limited Method of generating aerosol
US20220142249A1 (en) * 2017-10-30 2022-05-12 Kt&G Corporation Aerosol generating device having heater
CN108652088A (zh) * 2018-08-06 2018-10-16 云南中烟工业有限责任公司 一种新型卷烟加热元件及其制备方法
WO2020193220A1 (fr) * 2019-03-22 2020-10-01 Nerudia Limited Système de substitution pour fumeurs
EP3818854A2 (fr) * 2019-06-18 2021-05-12 KT&G Corporation Dispositif de production d'aérosol et son procédé de fonctionnement
US20230270178A1 (en) 2020-09-04 2023-08-31 Philip Morris Products S.A. Smoking device with heating profile based on puff frequency
US20230320427A1 (en) 2020-09-04 2023-10-12 Philip Morris Products S.A. Smoking device with heating profile based on puff volume
WO2022139329A1 (fr) * 2020-12-22 2022-06-30 Kt&G Corporation Dispositif et système de génération d'aérosol
WO2023175769A1 (fr) * 2022-03-16 2023-09-21 日本たばこ産業株式会社 Unité d'alimentation électrique de générateur d'aérosol et procédé de commande associé

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