WO2023036262A1 - Dispositif de génération d'aérosol et son procédé de commande - Google Patents

Dispositif de génération d'aérosol et son procédé de commande Download PDF

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Publication number
WO2023036262A1
WO2023036262A1 PCT/CN2022/117905 CN2022117905W WO2023036262A1 WO 2023036262 A1 WO2023036262 A1 WO 2023036262A1 CN 2022117905 W CN2022117905 W CN 2022117905W WO 2023036262 A1 WO2023036262 A1 WO 2023036262A1
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WO
WIPO (PCT)
Prior art keywords
aerosol
potential difference
chamber
preset
capacitor
Prior art date
Application number
PCT/CN2022/117905
Other languages
English (en)
Chinese (zh)
Inventor
王宽
徐中立
李永海
Original Assignee
深圳市合元科技有限公司
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 深圳市合元科技有限公司 filed Critical 深圳市合元科技有限公司
Priority to KR1020247011730A priority Critical patent/KR20240053650A/ko
Publication of WO2023036262A1 publication Critical patent/WO2023036262A1/fr

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR 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
    • A24F40/20—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
    • 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
    • A24F40/50—Control or monitoring
    • 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

Definitions

  • the present application relates to the field of smoking articles, in particular to an aerosol generating device and a control method thereof.
  • Smoking articles such as cigarettes and cigars burn tobacco to produce smoke during use. Attempts have been made to provide alternatives to these tobacco burning articles by creating products that release compounds without burning them. Examples of such products are so-called heat-not-burn products, which release compounds by heating tobacco rather than burning it.
  • the patent document with the publication number CN111511233A discloses an aerosol generating device and its operation method.
  • a detector with a coil is arranged in the aerosol generating device; Electromagnetic induction is generated, and the characteristic change of the electric current flowing through the coil generated by the electromagnetic induction can be detected, and the insertion state of the cigarette into the aerosol generating device can be confirmed.
  • the present application aims to provide an aerosol generating device and a control method thereof which are different from existing cigarette insertion detection methods.
  • the present application provides an aerosol generating device on the one hand, comprising:
  • a chamber for removably receiving an aerosol-generating article comprising a magnetic material
  • a heater for heating the aerosol-generating article received in the chamber to generate an aerosol
  • a detection circuit comprising a capacitor connected in series with the heater
  • a controller configured to control the detection circuit to have a direct current flow, and determine that the aerosol-generating product is received in the chamber or determine the The aerosol-generating article is removed from the chamber.
  • a controller configured to control the detection circuit to have a direct current flow, and determine that the aerosol-generating product is received in the chamber or determine the The aerosol-generating article is removed from the chamber.
  • Receipt of the aerosol-generating article in the chamber or removal of the aerosol-generating article from the chamber is determined based on the duration for which the potential difference across the capacitor reaches a preset potential difference threshold.
  • the aerosol generating device and its control method provided by the present application judge whether a cigarette is inserted into the heating chamber by the time when the potential difference at both ends of the capacitor reaches the preset potential difference threshold, and then control the action of the heater; the implementation method is simple and improves user experience.
  • FIG. 1 is a schematic diagram of an aerosol generating device provided in an embodiment of the present application
  • Fig. 2 is a schematic diagram of an aerosol generating product provided by an embodiment of the present application.
  • Fig. 3 is a schematic diagram of a controller provided in an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a detection circuit and a switch tube circuit provided in an embodiment of the present application.
  • Fig. 5 is a schematic diagram of the control method of the aerosol generating device provided by the embodiment of the present application.
  • Fig. 6 is a schematic diagram of the control process of the aerosol generating device provided by the embodiment of the present application.
  • Fig. 1 is a schematic diagram of an aerosol generating device provided in an embodiment of the present application. Aerosol generating devices include:
  • a heater 10 when the aerosol generating product 40 is received in the chamber A, the heater 10 is inserted into the aerosol generating product 40 for heating to generate an aerosol;
  • the electric core 20 is used for power supply
  • the circuit board 30 is arranged between the battery cell 20 and the heater 10 .
  • Various circuits are integrated on the circuit board 30 to control the aerosol generating device; for example, the control cell 20 provides power to the heater 10 .
  • the aerosol-generating article 40 is preferably a tobacco-containing material that releases volatile compounds from the substrate when heated; alternatively, it may be a non-tobacco material that is suitable for electric heating and smoking after heating.
  • the aerosol-generating product 40 is preferably a solid substrate, which may include one or more of powder, granules, shredded strips, strips or flakes of one or more of vanilla leaves, tobacco leaves, homogenized tobacco, and expanded tobacco; Alternatively, the solid matrix may contain additional tobacco or non-tobacco volatile flavor compounds to be released when the matrix is heated.
  • aerosol-generating article 40 includes a liquid substrate, or includes a carrier carrying a liquid substrate, or includes a container carrying a liquid substrate.
  • the heating methods of the heater 10 include but not limited to resistance heating, electromagnetic heating, and infrared heating.
  • the shape of the heater 10 includes, but is not limited to, a needle shape, a pin shape, a tube shape, or a sheet shape.
  • the heater 10 is configured to heat at least part of the aerosol-generating article 40 , which is commonly referred to as circumferential heating or peripheral heating, etc. It is also feasible.
  • Fig. 2 is a schematic diagram of an aerosol generating product provided by an embodiment of the present application.
  • the aerosol-generating article 40 comprises a filter segment 41, an aerosol-generating segment 42 having a smokeable material.
  • the aerosol-generating article 40 is provided with a magnetic material 43 .
  • the magnetic material 43 may be a ferromagnetic material, or other materials with a magnetic permeability above 100 H/m.
  • the magnetic material 43 may be a coating formed on the outer surface of the aerosol generating article 40, for example, disposed near the lower end of the aerosol generating section 202; or, a component disposed on the outer surface of the aerosol generating article 40; or, a magnetic Material 43 is located within aerosol-generating article 40, mixed with the smokeable material.
  • FIG. 3 is a schematic diagram of a controller provided in an embodiment of the present application
  • FIG. 4 is a schematic diagram of a detection circuit and a switching tube circuit provided in an embodiment of the present application.
  • controller 31 the controller 31 , the detection circuit 32 and the switch tube circuit 33 are integrated on the circuit board 30 .
  • Controller 31 adopts MCU (Micro Controller Unit, microcontroller unit). It can be understood that, in other examples, the controller 31 may adopt an ASIC or other chips with processor functions.
  • the controller 31 has a TEST_VCC port, a TEST_AIN port, a PWM_OUT_P port, and a PWM_OUT_N port.
  • the detection circuit 32 includes a resistor R2, an electric heater C2, and the resistor R2, capacitor C2 and the heater 10 are connected in series. Specifically, one end of the resistor R2 is electrically connected to the TEST_VCC port of the controller 31, and the other end of the resistor R2 is electrically connected to one end of the heater 10 (shown as WH+ in the figure); the other end of the heater 10 (shown as WH+ in the figure) -shown) is electrically connected to one end of the capacitor C2 and the TEST_AIN port of the controller 31, and the other end of the capacitor C2 is connected to the ground.
  • the switching tube circuit 33 includes a switching tube Q3, a switching tube Q5 and a switching tube Q7.
  • the switching tube Q3 and the switching tube Q7 are NMOS tubes, and the switching tube Q5 is a PMOS tube.
  • the PWM_OUT_P port of the controller 31 is electrically connected to the gate of the switching tube Q3, the drain of the switching tube Q3 is electrically connected to the gate of the switching tube Q5, and the source of the switching tube Q3 is grounded; the source of the switching tube Q5 is connected to the battery cell 20 (shown as VBAT in the figure) is electrically connected, the drain of the switch tube Q5 is electrically connected to one end of the heater 10 (shown as WH+ in the figure); the PWM_OUT_N port is electrically connected to the gate of the switch tube Q7, and the gate of the switch tube Q7 The drain is electrically connected to the other end of the heater 10 (indicated by WH- in the figure), and the source of the switching tube Q7 is grounded; other components and their electrical connections
  • the controller 31 is configured to output a control signal to control the switching tube circuit 33 to be disconnected; when the switching tube circuit 33 is disconnected and after the timing time of the timer is up, the control detection circuit 32 has a direct current Circulation; according to the duration of the potential difference across the capacitor C2 reaching the preset potential difference threshold, it is determined that the aerosol generating product 40 is received in the chamber A or the aerosol generating product 40 is removed from the chamber A, and then the heater 10 is controlled Actions.
  • the controller 31 can control the PWM_OUT_P port to output a low level so that the switch tube Q3 is turned off, and then the switch tube Q5 is turned off; at the same time, the controller 31 controls the PWM_OUT_N port to output a low level so that the switch tube Q7 is turned off; thus, the heater 10 The electrical connection with the battery cell 20 is disconnected.
  • the controller 31 is integrated with a timer (not shown in the drawings), and activates the function of whether the aerosol generating product 40 is received in the chamber A through the timing wake-up function to control the action of the heater 10, that is, to control the heater 10 to start or stop heating.
  • the controller 31 can control the TEST_VCC port to output a high level, so that the detection circuit 32 has a DC flow.
  • the heater 10 can be equivalent to a series connection of a resistance R and an inductance L, the resistance R is a fixed value, and the inductance of the inductance L is related to whether the aerosol generating product 40 is received in the chamber A, that is, Insertion of the aerosol-generating article 40 into chamber A is concerned.
  • the line impedance of the detection circuit 32 can be expressed by the following formula:
  • the change in the inductance of the inductance L will affect the magnitude of the line impedance
  • the aerosol-generating article 40 with magnetic material can increase the inductance L, thereby increasing the line impedance
  • the controller 31 controls the TEST_VCC port to output a high level, the aerosol generating product 40 is not inserted into the chamber A, and when the aerosol generating product 40 is inserted into the chamber A, the charging time of the capacitor C2 before and after is different;
  • the charging time of the capacitor C2 when the generating article 40 is inserted into the chamber A is longer than the charging time of the capacitor C2 when the aerosol generating article 40 is not inserted into the chamber A.
  • the TEST_AIN port of the controller 31 is an interrupt port, and a timer (not shown in the drawings) is integrated in the controller 31 .
  • the controller 31 is configured to control the timer to start timing when the TEST_VCC port outputs a high level; when the potential difference across the capacitor C2 reaches a preset potential difference threshold, an interrupt is generated to obtain the timing time of the timer; The timing of the timer is used to determine whether the aerosol-generating product 40 is received in the chamber A or to determine that the aerosol-generating product 40 is removed from the chamber A, thereby controlling the action of the heater 10 .
  • the preset potential difference threshold is a high level, which may be the potential difference between both ends of the capacitor C2 when it is fully charged, or may be lower than the potential difference between both ends of the capacitor C2 when it is fully charged.
  • the duration during which the potential difference across the capacitor C2 reaches a preset potential difference threshold can be compared with the preset time threshold
  • a control signal (such as a square wave signal) is output to control the switch
  • the tube circuit 33 works, and then starts the heater 10 for heating;
  • the control switch tube circuit 33 is kept disconnected, that is The heater 10 is in an unheated state.
  • the preset time threshold can be set as the duration when the potential difference across the capacitor C2 reaches the preset potential difference threshold when the aerosol generating product 40 is not received in the chamber A.
  • the heater 10 can be automatically controlled to start heating without key operation, which improves the user experience.
  • is very small, so the time when the potential difference across the capacitor C2 reaches the preset potential difference threshold value hardly changes; At this time, the heater 10 is not automatically controlled to start heating, which can play an anti-counterfeiting role.
  • a control signal such as a square wave signal
  • control the switch tube circuit 33 it is possible to determine the difference between the duration of the potential difference between the two ends of the capacitor C2 reaching the preset potential difference threshold and the preset time threshold; if the difference is not greater than the preset difference threshold and is greater than zero , then output a control signal (such as a square wave signal) to control the operation of the switch tube circuit 33, and then start the heater 10 for heating; if the difference is greater than the preset difference threshold or the difference is less than or equal to zero, then control the switch tube Circuit 33 remains open.
  • a control signal such as a square wave signal
  • the aerosol-generating product 40 equipped with a magnetic material due to the consistency of the magnetic material, can make the time interval between when the aerosol-generating product 40 is inserted into the chamber A and when the aerosol-generating product 40 is not inserted into the chamber A Yes for sure. Therefore, by determining that the difference between the duration of the potential difference between the two ends of the capacitor C2 reaching the preset potential difference threshold and the preset time threshold is within the preset range, it can be determined that the aerosol generating product 40 is received in the chamber A, and the automatic control The heater 10 starts heating without key operation, which improves user experience.
  • the device 10 starts heating. Further, if the difference between the duration during which the potential difference across the capacitor C2 reaches the preset potential difference threshold and the preset time threshold is less than or equal to zero, it can be determined that the aerosol generating product 40 is not inserted into the chamber A, and the heater is not controlled at this time. 10 Start heating.
  • the determination of whether the aerosol generating product 40 is received in the chamber A can be restarted when the heater 10 is in the heating gap. If the aerosol-generating article 40 is inserted into chamber A, the heating is continued; if the aerosol-generating article 40 is removed from chamber A, the heating is stopped.
  • the foregoing implementation manners reference may be made to the foregoing implementation manners.
  • the heating gap refers to the time period between two adjacent high levels (or low levels) in the square wave signal.
  • the controller 31 not to interrupt, that is, the TEST_AIN port is a general port. At this time, the controller 31 obtains the counting time of the timer when the potential difference between the two ends of the capacitor C2 reaches a preset potential difference threshold. Subsequent processes are similar to those described above, and will not be repeated here.
  • Fig. 5 is a schematic diagram of a control method of an aerosol generating device provided in an embodiment of the present application.
  • the aerosol generating device is consistent with the foregoing content, and will not be repeated here.
  • the methods include:
  • Step S11 control the detection circuit 32 to have a DC flow
  • Step S12 determine whether the aerosol generating product 40 is received in the chamber A or is removed from the chamber A according to the duration of the potential difference across the capacitor C2 reaching the preset potential difference threshold.
  • the method includes:
  • control timer starts counting
  • the receipt of the aerosol-generating article 40 into the chamber A or the removal of the aerosol-generating article 40 from the chamber A is determined according to the timing of the timer.
  • the method includes:
  • Whether the aerosol-generating article 40 is received in chamber A or removed from chamber A is determined based on the duration for which the potential difference across capacitor C2 reaches a predetermined potential difference threshold.
  • the aerosol generating product 40 is determined to be received in the chamber A or the aerosol generating product 40 is removed from the chamber A according to the duration during which the potential difference across the capacitor C2 reaches a preset potential difference threshold, include:
  • the switching tube circuit 33 is controlled to remain turned off.
  • the aerosol generating product 40 is determined to be received in the chamber A or the aerosol generating product 40 is removed from the chamber A according to the duration during which the potential difference across the capacitor C2 reaches a preset potential difference threshold, include:
  • the switching tube circuit is controlled to keep turned off.
  • the method includes:
  • control detection circuit 32 After the timing time of the timer has arrived, the control detection circuit 32 has a direct current flow;
  • the aerosol-generating article 40 is determined to be received in the chamber A or removed from the chamber A according to the duration for which the potential difference across the capacitor C2 reaches a preset potential difference threshold.
  • Fig. 6 is a schematic diagram of the control process of the aerosol generating device provided by the embodiment of the present application.
  • control process includes:
  • Step S21 the switch tube circuit 33 is disconnected
  • the controller 31 controls the PWM_OUT_P port to output a low level so that the switch tube Q3 is turned off, and then the switch tube Q5 is turned off; at the same time, the PWM_OUT_N port is controlled to output a low level so that the switch tube Q7 is turned off; thus, the heater 10 and the battery cell The electrical connection between 20 is broken.
  • Step S22 judging whether the timing time of the timer has arrived
  • the function of whether the aerosol-generating product 40 is received in the chamber A is activated by the timer wake-up function, so as to control the action of the heater 10 . If the timing time of the timer has not arrived, the switch tube circuit 33 remains disconnected.
  • Step S23 when controlling the TEST_VCC port to output a high level, controlling the timer to start timing
  • Step S24 whether the TEST_AIN port receives an interrupt signal
  • Step S25 obtaining the counting time of the timer
  • a high level signal generates an interrupt, and the timing time of the timer is read through the interrupt program.
  • Step S26 judging whether the counting time of the timer is greater than a preset time threshold
  • step S27 If it is greater than the preset time threshold, execute step S27; otherwise, it can be determined that the aerosol-generating product 40 is not received in the chamber A, and the switching tube circuit 33 remains turned off, waiting for a timing wake-up.
  • steps S27 and S28 it is determined that the aerosol generating product 40 is received in the chamber A, at this time, a square wave signal is output to control the switch tube circuit 33, and then the heater 10 is started for heating.

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Abstract

La présente invention concerne un dispositif de génération d'aérosol et son procédé de commande. Le dispositif de génération d'aérosol comprend : une chambre (A) utilisée pour recevoir de manière amovible un article de génération d'aérosol (40) comprenant un matériau magnétique (43) ; un dispositif de chauffage (10) utilisé pour chauffer l'article de génération d'aérosol (40) reçu dans la chambre (A) pour générer un aérosol ; un circuit de détection (32) comprenant un condensateur (C2) connecté en série au dispositif de chauffage (10) ; et un dispositif de commande (31) configuré pour commander le circuit de détection (32) pour qu'un courant continu circule à travers celui-ci et pour déterminer, selon la durée de la différence de potentiel aux deux bornes du condensateur (C2) atteignant un seuil de différence de potentiel prédéfini, que l'article de génération d'aérosol (40) est reçu dans la chambre (A) ou que l'article de génération d'aérosol (40) est retiré de la chambre (A). Le dispositif détermine si l'article de génération d'aérosol (40) est ou non inséré dans la chambre de chauffage (A) selon le temps pendant lequel la différence de potentiel aux deux bornes du condensateur (C2) atteint le seuil de différence de potentiel prédéfini, puis commande l'action du dispositif de chauffage (10). Le mode de mise en œuvre est simple, et l'expérience de l'utilisateur est améliorée.
PCT/CN2022/117905 2021-09-08 2022-09-08 Dispositif de génération d'aérosol et son procédé de commande WO2023036262A1 (fr)

Priority Applications (1)

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KR1020247011730A KR20240053650A (ko) 2021-09-08 2022-09-08 에어로졸 생성 장치 및 그 제어 방법

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CN202111048301.8A CN115769914A (zh) 2021-09-08 2021-09-08 气溶胶生成装置及其控制方法
CN202111048301.8 2021-09-08

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WO2023036262A1 true WO2023036262A1 (fr) 2023-03-16

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CN106597063A (zh) * 2017-01-25 2017-04-26 杭州士兰微电子股份有限公司 电流检测电路及电流检测方法
CN107144725A (zh) * 2017-05-22 2017-09-08 钰泰科技（上海）有限公司 一种用于小电流检测的新方法
CN107404107A (zh) * 2017-08-15 2017-11-28 惠州市新泓威科技有限公司 一种电子烟的防干烧装置及其控制方法
CN108303190A (zh) * 2018-01-08 2018-07-20 吉士福电子科技(东莞)有限公司 一种自动检测烟支的装置及方法
CN110612034A (zh) * 2017-05-26 2019-12-24 韩国烟草人参公社 具有检测卷烟插入功能的气溶胶生成装置及方法
CN111511233A (zh) 2018-11-23 2020-08-07 韩国烟草人参公社 气溶胶生成装置及其动作方法
WO2020193187A1 (fr) * 2019-03-22 2020-10-01 Nerudia Limited Système de substitution au tabagisme
WO2021037403A1 (fr) * 2019-08-23 2021-03-04 Philip Morris Products S.A. Dispositif de génération d'aérosol doté de moyens de détection d'au moins l'une des actions suivantes : l'insertion d'un article de génération d'aérosol dans le dispositif et l'extraction d'un article de génération d'aérosol hors du dispositif
KR20210088299A (ko) * 2020-01-06 2021-07-14 주식회사 케이티앤지 에어로졸 생성 장치

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106597063A (zh) * 2017-01-25 2017-04-26 杭州士兰微电子股份有限公司 电流检测电路及电流检测方法
CN107144725A (zh) * 2017-05-22 2017-09-08 钰泰科技（上海）有限公司 一种用于小电流检测的新方法
CN110612034A (zh) * 2017-05-26 2019-12-24 韩国烟草人参公社 具有检测卷烟插入功能的气溶胶生成装置及方法
CN107404107A (zh) * 2017-08-15 2017-11-28 惠州市新泓威科技有限公司 一种电子烟的防干烧装置及其控制方法
CN108303190A (zh) * 2018-01-08 2018-07-20 吉士福电子科技(东莞)有限公司 一种自动检测烟支的装置及方法
CN111511233A (zh) 2018-11-23 2020-08-07 韩国烟草人参公社 气溶胶生成装置及其动作方法
WO2020193187A1 (fr) * 2019-03-22 2020-10-01 Nerudia Limited Système de substitution au tabagisme
WO2021037403A1 (fr) * 2019-08-23 2021-03-04 Philip Morris Products S.A. Dispositif de génération d'aérosol doté de moyens de détection d'au moins l'une des actions suivantes : l'insertion d'un article de génération d'aérosol dans le dispositif et l'extraction d'un article de génération d'aérosol hors du dispositif
KR20210088299A (ko) * 2020-01-06 2021-07-14 주식회사 케이티앤지 에어로졸 생성 장치

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KR20240053650A (ko) 2024-04-24

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