EP3944777A1 - Système de chauffage par dépôt de suscepteur pour un ensemble de génération d'aérosol et cartouche, dispositif de génération d'aérosol et ensemble de génération d'aérosol associés - Google Patents

Système de chauffage par dépôt de suscepteur pour un ensemble de génération d'aérosol et cartouche, dispositif de génération d'aérosol et ensemble de génération d'aérosol associés Download PDF

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Publication number
EP3944777A1
EP3944777A1 EP20188713.0A EP20188713A EP3944777A1 EP 3944777 A1 EP3944777 A1 EP 3944777A1 EP 20188713 A EP20188713 A EP 20188713A EP 3944777 A1 EP3944777 A1 EP 3944777A1
Authority
EP
European Patent Office
Prior art keywords
cartridge
aerosol generation
storage portion
heating system
generation 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.)
Withdrawn
Application number
EP20188713.0A
Other languages
German (de)
English (en)
Inventor
Ola POPOOLA
Alec WRIGHT
Andrew ROGAN
Kyle ADAIR
Peter LOVEDAY
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.)
JT International SA
Original Assignee
JT International 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 JT International SA filed Critical JT International SA
Priority to EP20188713.0A priority Critical patent/EP3944777A1/fr
Publication of EP3944777A1 publication Critical patent/EP3944777A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • 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
    • A24F40/40—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
    • 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
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • H05B3/04—Waterproof or air-tight seals for heaters
    • 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
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/013—Heaters using resistive films or coatings
    • 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
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/021—Heaters specially adapted for heating liquids
    • 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
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/022—Heaters specially adapted for heating gaseous material

Definitions

  • the present invention concerns a heating system by susceptor filings for an aerosol generation assembly.
  • the present invention also concerns an associated cartridge, an aerosol generation device designed to operate with such a cartridge and an aerosol generation assembly comprising such a cartridge and such an aerosol generation device.
  • aerosol generation devices comprise a storage portion for storing an aerosol forming precursor, which can comprise for example a liquid or a solid.
  • a heating system is formed of one or more electrically activated resistive heating elements arranged to heat said precursor to generate the aerosol.
  • the aerosol is released into a flow path extending between an inlet and outlet of the device.
  • the outlet may be arranged as a mouthpiece, through which a user inhales for delivery of the aerosol.
  • the precursor is stored in a removable cartridge.
  • the cartridge can be easily removed and replaced.
  • a screw-threaded connection can for example be used.
  • the heating system is distributed between the aerosol generation device and the cartridge.
  • the part of the heating system comprised in the aerosol generation device may be formed for example by a pair of contacts connected electrically to the battery.
  • the part of the heating system comprised in the cartridge can be for example formed by a resistance wound around a wick and a pair of contacts cooperating with the corresponding pair of the contacts of the aerosol generation device to connect electrically the resistance to the battery.
  • the cartridge can be connected wirelessly to the aerosol generation device.
  • the contacts are replaced by a primary and a secondary winding integrated respectfully into the aerosol generation device and the cartridge to generate an electric current for the resistance, by magnetic induction.
  • heat can be transmitted directly between the cartridge and the aerosol generation device using for example heating plates integrated in both device and cartridge.
  • One of the aims of the present invention is to propose a heating system adapted to be used by an aerosol generation device and a removable cartridge without increasing structure complexity and costs of these elements.
  • the invention also allows cartridge recycling in a simple way.
  • the invention relates to a heating system for an aerosol generation assembly comprising an aerosol generation device and a cartridge designed to operate with the aerosol generation device the aerosol generation device comprising a battery and the cartridge comprising a storage portion for storing an aerosol forming precursor and extending along a cartridge axis between a device end and a mouthpiece end.
  • the heating system comprises a heating circuit comprising an AC source connected to the battery, a coil intended to be arranged around the storage portion along the cartridge axis and connected to the AC source, and susceptor filings arranged or able to be arranged in the storage portion along the cartridge axis and a control module configured to control the operation of the heating circuit to generate heat into the storage portion by currents induced in the susceptor filings by the coil.
  • the cartridge structure or more globally the structure of a precursor storage portion can be simplified which decreases the cost of the cartridge or the whole aerosol generation assembly and makes its recycling simpler.
  • the susceptor filings are fixed into the storage portion along the cartridge axis on insulating supports.
  • the precursor heating can be optimized since the position of the susceptor filings is predetermined.
  • the susceptor filings are suspended in the precursor or mixed with the precursor and able to be arranged at least temporary along the cartridge axis.
  • the internal structure of the storage portion can be further simplified as no support is required for the susceptor filings.
  • the concentration of the susceptor filings in the storage portion can be optimized to ensure optimal precursor heating.
  • the cartridge or the aerosol generation device can be shaken before using in order to optimize the disposition of the susceptor filings.
  • the AC source and the coil are arranged within the aerosol generation device.
  • a measuring circuit configured to generate measurements relative to a precursor level in the storage portion, the control module being configured to control the operation of the heating circuit basing on these measurements.
  • the precursor level in the storage portion can be determined. This makes it possible for example to avoid heating an empty storage portion.
  • control module is configured to control the operation of both circuits using time-division multiplexing where the operation times of both circuits are mutually exclusive.
  • the measuring circuit comprises a pair of electrodes configured to be arranged on opposite sides of the storage portion, said measurements being measurements of the capacitance between the electrodes.
  • the measuring circuitry can be arranged entirely outside the storage portion.
  • each electrode is configured to be adjacent to one of the ends of the cartridge perpendicularly to the cartridge axis.
  • one of the electrodes is arranged between the storage portion and a mouthpiece of the aerosol generation device or the cartridge.
  • the measuring circuit further comprises a function generator configured to generate a measuring signal on at least one of the electrodes a buffer configured to acquire a response signal from one of the electrodes and an amplifier configured to amplify the response signal and to deliver the amplified response signal to the control module.
  • the function generator it is possible to generate a signal suitable to measure the capacitance between the electrodes and determine from this capacitance the precursor level into the storage portion. Thanks to the buffer, a response signal from one the electrodes can be preserved and thus, the accuracy of the capacitance measurements can be improved. Thanks to the amplifier, even little changes in the capacitance may be measured.
  • the measuring circuit is arranged entirely within the aerosol generation device, the pair of electrodes being designed to be in contact with a cartridge housing delimiting the storage portion.
  • the structure of the cartridge can be further simplified.
  • At least one of the electrodes forms partially a cartridge housing delimiting the storage portion.
  • the invention also relates to a cartridge comprising:
  • the invention also relates to an aerosol generation device comprising a battery and a control module and at least a part of a heating circuit of the heating system as described here above.
  • the invention also relates to an aerosol generation assembly comprising:
  • aerosol generation device or “ device” may include a vaping device to deliver an aerosol to a user, including an aerosol for vaping, by means of aerosol generating unit (e.g. an aerosol generating element which generates vapor which condenses into an aerosol before delivery to an outlet of the device at, for example, a mouthpiece, for inhalation by a user).
  • the device may be portable.
  • “Portable” may refer to the device being for use when held by a user.
  • the device may be adapted to generate a variable amount of aerosol, e.g. by activating a heater system for a variable amount of time (as opposed to a metered dose of aerosol), which can be controlled by a trigger.
  • the trigger may be user activated, such as a vaping button and/or inhalation sensor.
  • the inhalation sensor may be sensitive to the strength of inhalation as well as the duration of inhalation to enable a variable amount of vapor to be provided (so as to mimic the effect of smoking a conventional combustible smoking article such as a cigarette, cigar or pipe, etc.).
  • the device may include a temperature regulation control to drive the temperature of the heater and/or the heated aerosol generating substance (aerosol pre-cursor) to a specified target temperature and thereafter to maintain the temperature at the target temperature that enables efficient generation of aerosol.
  • aerosol may include a suspension of precursor as one or more of: solid particles; liquid droplets; gas. Said suspension may be in a gas including air. Aerosol herein may generally refer to/include a vapor. Aerosol may include one or more components of the precursor.
  • aerosol-forming precursor or " precursor” or “ aerosol-forming substance “ or “ substance” may refer to one or more of a: liquid; solid; gel; mousse; foam or other substances.
  • the precursor may be processable by the heating system of the device to form an aerosol as defined herein.
  • the precursor may comprise one or more of: nicotine; caffeine or other active components.
  • the active component may be carried with a carrier, which may be a liquid.
  • the carrier may include propylene glycol or glycerin.
  • a flavoring may also be present. The flavoring may include Ethylvanillin (vanilla), menthol, Isoamyl acetate (banana oil) or similar.
  • a solid aerosol forming substance may be in the form of a rod, which contains processed tobacco material, a crimped sheet or oriented strips of reconstituted tobacco (RTB).
  • an aerosol generation assembly 10 according to the invention comprises an aerosol generation device 12 and a removable cartridge 14.
  • the aerosol generation device 12 comprises a device housing 21 extending between a battery end 22 and a mouthpiece end 24 along a device axis X.
  • the device housing 21 delimits an interior part of the aerosol generation device 12 comprising a power block 32 designed to power the device 12, at least a part of a heating system 34 powered by the power block 32, and a controller 36.
  • the device housing 21 also defines a payload compartment 38 which may be arranged in the interior part of the device 12 or/and defined at least partially by at least one wall of the device housing 21.
  • the device housing 21 defines a mouthpiece 40.
  • the mouthpiece 40 is in a fluid communication with the payload compartment 38 and defines an airflow outlet configured to deliver aerosol to the user when the aerosol generation device 12 is operated with the cartridge 14.
  • the device housing 21 may further comprise other internal components performing different functionalities of the device 12 known in the art.
  • Figure 1 presents only a schematic diagram of different components of the aerosol generation device 12 and does not necessarily show the real physical arrangement and dimensions of these components. Particularly, such an arrangement can be chosen according to the design of the aerosol generation device 12 and technical features of its components.
  • the power block 32 comprises a battery and a battery charger.
  • the battery is for example a known battery designed to be charged using the power supply furnished by an external source and to provide a direct current of a predetermined voltage.
  • the battery charger is able to connect the battery to the external source and comprises for this purpose a power connector (like for example a mini-USB connector) or wireless charging connector.
  • the battery charger is also able to control the power delivered from the external source to the battery according for example a predetermined charging profile.
  • a charging profile can for example define a charging voltage of the battery depending on its level of charge.
  • the payload compartment 38 defines a cavity designed to receive the cartridge 14.
  • the cavity has a cylindrical shape.
  • the payload compartment 38 extends along the device axis X between a pair of parallel walls 41, 42 of the device housing 21.
  • the payload compartment 38 is further delimited by at least one side wall 43 extending between the parallel walls 41, 42 along the device axis X.
  • the payload compartment 38 may further define an opening used to insert the cartridge 14 into the payload compartment 38.
  • the opening may for example extend perpendicularly to the device axis X and is formed when a removable part of the device housing 21 is moved away from a fixed part of the device housing 21 including notably the payload compartment 38.
  • the removable part can for example comprise the mouthpiece 24 and the wall 42.
  • the removable part can be hinged or screwed to the fixed part.
  • Each of the parallel walls 41, 42 is for example perpendicular to the device axis X.
  • the wall 41 is adjacent to the battery end 22 and defines a hole suitable for an airflow passage between an airflow channel formed inside the device housing 21 and the cartridge 14.
  • the wall 42 is adjacent to the mouthpiece end 24 and defines a hole suitable for an airflow passage between the cartridge 14 and the airflow outlet of the mouthpiece 40.
  • the cartridge 14 comprises a cartridge housing 51 and the part of the heating system 34 not comprised in the aerosol generation device 12 as it will be explained below in further detail.
  • the cartridge housing 51 extends along a cartridge axis Y between a device end and a mouthpiece end, and defines at these ends two parallel walls 61, 62 perpendicular to the cartridge axis Y and at least one lateral wall 63 extending along the cartridge axis Y between the parallel walls 61, 62.
  • the cartridge housing 51 has a cylindrical shape.
  • the parallel walls 61, 62 can have a circular shape.
  • the walls 61, 62, 63 of the cartridge housing 51 are made of a dielectric material like for example a plastic material.
  • the walls 61, 62, 63 can form a single piece made by an appropriate industrial process.
  • the walls 61, 62, 63 of the cartridge housing 51 delimit a storage portion 66 configured to store the aerosol forming precursor.
  • the cartridge axis Y coincides with the device axis X and the parallel walls 61, 62 of the cartridge housing 51 are in contact with the parallel walls 41, 42 of the payload compartment 38.
  • the wall 61 is in contact with the wall 41 and defines an airflow inlet facing the corresponding hole of the wall 41 to allow entering the airflow into in the cartridge 14.
  • the wall 62 is in contact with the wall 42 and defines an airflow outlet facing the corresponding hole of the wall 42 to allow evacuating the airflow from the cartridge 14.
  • FIG. 2 shows in more detail the heating system 34.
  • the heating system 34 comprises a heating circuit 72 for heating the precursor, a measuring circuit 74 for measuring a precursor level in the storage portion and a control module 76 for controlling the operation of both circuits 72, 74.
  • the heating circuit 72 comprises an AC source 80, a coil 82, susceptor filings 84 and optionally, a boost converter 86.
  • the AC source 80 is connected to the battery of the power block 32 through an SPDT switch 87 and eventually through the boost converter 86.
  • the boost converter 86 makes it possible to increase voltage provided by the battery on the inlet of the AC source 80.
  • the AC source 80 presents a DC/AC inverter configured to transform the direct current provided by the battery or the boost converter 86 into an alternative current in its outlet to power the coil 82.
  • the AC source 80 and eventually the boost converter 86 are arranged into the interior part defined by the device housing 21.
  • the coil 82 is intended to be arranged around the storage portion 66 of the cartridge 14 along the cartridge axis Y when the cartridge 14 is received into the payload compartment 38.
  • the coil 82 is intended to extend around the lateral wall 63 of the cartridge housing 51, and preferably, significantly along the whole length of the lateral wall 63.
  • the coil 82 is integrated into the side wall 43 of the payload compartment 38 or protrudes from this side wall 43 to extend around the payload compartment 38 along the device axis X.
  • the coil 82 is integrated into the device 12 and when the cartridge 14 is received into the payload compartment 38, the coil 82 extends around the lateral wall 63 of the cartridge housing 51 and consequently, around the storage portion 66 of the cartridge 14.
  • the susceptor filings 84 are arranged or able to be arranged into the storage portion 66 of the cartridge 14, preferably along the cartridge axis Y. Particularly, according to one example of the invention, the susceptor filings 84 are fixed into the storage portion 66 along the cartridge axis Y on insulating supports.
  • the insulating supports can be made of the same material as the cartridge walls 61, 62, 63.
  • the susceptor filings 84 are suspended in the precursor or mixed with the precursor and able to be arranged at least temporary along the cartridge axis Y. Such an arrangement can for example be achieved by shaking the cartridge 14 or the device 12 with the cartridge 14 before using.
  • the susceptor filings 84 can present thin elongated filings of 1 mm or 2 mm long, as for example wire cuttings or metal strips of 1 mm or 2 mm long.
  • the wire thickness can be for example comprised between 0,05 mm and 0,5 mm.
  • the strip thickness may be comprised in the same range or between for example 0,1 mm and 0,5 mm.
  • the susceptor filings 84 in the shape of square flakes may be used. More generally, the dimensions and/or the shape of the susceptor filings 84 may be chosen to optimize heating in the applied magnetic field.
  • the susceptor filings 84 can be made of any suitable material, notably a metal material.
  • the susceptor filings 84 can be also coated to prevent corrosion.
  • the measuring circuit 74 is configured to generate measurements relative to a precursor level in the storage portion 66.
  • the measuring circuit 74 comprises a pair of electrodes 91, 92, a function generator 93, a resistance 94, a buffer 95 and an amplifier 96. According to the first embodiment of the invention, the measuring circuit 74 is arranged entirely in the device 12.
  • the pair of electrodes 91, 92 are formed for example by a pair of capacitive plates and are intended to be arranged on opposite sides of the storage portion 66 so as the storage portion 66 forms a capacitor.
  • the electrodes 91, 92 are arranged in the payload compartment 38 of the device housing 21 and are able to come in contact with the parallel walls 61, 62 of the cartridge housing 51 when the cartridge 14 is inserted into the payload compartment 38.
  • the electrodes 91, 92 may for example protrudes from the parallel walls 41, 42 delimiting the payload compartment 38.
  • the electrodes 91, 92 are integrated into these parallel walls 41, 42 or form these walls 41, 42.
  • Electrodes 91, 92 are connected to the battery through the function generator 93, the SPDT switch 87 and the resistance 94.
  • the electrodes 91, 92 are also connected to the control module 76 through the function generator 93 and the resistance 94.
  • the function generator 93 is configured to generate a measuring signal on at least one of the electrodes, for example on the positive electrode 91.
  • the resistance 94 is connected between the positive electrode 91 and the function generator 93.
  • the resistance value of the resistance 94 is chosen to optimize the capacitance measuring process between the electrodes 91, 92.
  • the buffer 95 is connected between the positive electrode 91 and the control module 76 and is able to acquire and store a response signal from the positive electrode 91.
  • the amplifier 96 is connected between the buffer 95 and the control module 76. The amplifier 96 is able to amplify the response signal acquired by the buffer to deliverer the amplified signal to the control module 76.
  • the control module 76 is configured to control the operation of the heating system 34 by controlling the operation of both circuits 72, 74.
  • the control module 76 is connected to a command terminal of the SPDT switch 87 and is able to send to this terminal a control command (for example a XOR switch command) to power only the heating circuit 72 or only the measuring circuit 74.
  • a control command for example a XOR switch command
  • the control module 76 is configured to control the operation of both circuits 72, 74 using time-division multiplexing where the operation times of both circuits 72, 74 are mutually exclusive.
  • the control module 76 is also configured to control the operation of the function generator 93 and acquire the amplified response signal from the amplifier 96.
  • the control module 76 is further configured to determine capacitance values between the electrodes 91, 92 and basing on these capacitance values, determine the precursor level in the storage portion 66. Finally, basing on the determined precursor level, the control module 76 is configured to control the operation of the heating circuit 72. For example, the control module 76 can adjust the heating temperature by controlling the operation of the AC source 80.
  • control module 76 is integrated into the controller 36 and presents for example a program code dedicated to control the heating and measuring capacities of the aerosol generation assembly.
  • control module 76 is formed by a separated controller similar to the controller 36 explained above.
  • the cartridge 14 is extracted from the aerosol generation device 12.
  • the cartridge can be for example purchased separately from the aerosol generation device 12 and used as a consumable.
  • the user When the user is intending to activate the operation of the assembly 10, he/she inserts first the cartridge 14 into the payload compartment 38 of the aerosol generation device 12. In this position, the coil 82 is arranged around the storage portion 66 of the cartridge 14 and the electrodes 91, 92 are positioned on opposite sides of the storage portion 66. Then, the user activates the operation of the controller 36 by activating for example a switch or by making a puff. This activates the operation of the control module 76 which controls the operation of the circuits 72, 74.
  • the control module 76 can first control the operation of the measuring circuit 74 to determine the precursor level in the storage portion 66. In this case, a measuring signal is generated between the electrodes 91, 92 and a response signal is then generated. The precursor level is determined by analyzing the response signal. If the storage is not empty, the control module 76 may deactivate the operation of the measuring circuit 74 and activate the operation of the heating circuit 72 by controlling the SPDT switch. In this case, the coil 82 induces electric currents on the susceptor filings 84 which are transformed into heat. The heat is transferred to the precursor. Upon expiring a predetermined time interval, the control module 76 may deactivate the operation of the heating circuit 72 and activate the operation of the measuring circuit 74.
  • An aerosol generation assembly 110 according to a second embodiment of the invention is showed on Figure 3 .
  • the aerosol generation assembly 110 comprises an aerosol generation device 112 and a cartridge 114.
  • the aerosol generation device 112 also defines a payload compartment 138 able to receive the cartridge 114 and delimited along a device axis X by parallel walls 141, 142 similar to the parallel walls 41, 42 explained above.
  • the cartridge 114 also defines a storage portion 166 delimited by parallel walls 161, 162 along a cartridge axis Y.
  • the assembly 110 also comprises a heating system 134 operation of which is similar to the operation of the heating system 34 explained above.
  • the heating system 134 comprises notably a pair of electrodes 191, 192 used to measure the precursor level in the storage portion 166 and formed for example by a pair of capacitive plates.
  • the electrodes 191, 192 are not integrated into the device 112 but form at least partially a cartridge housing of the cartridge 114.
  • the electrodes 191, 192 are adjacent to respectfully to the parallel walls 161, 162 of the cartridge 114 on external sides of these walls 161, 162.
  • the electrodes 191, 192 can be tightly fitted with these walls 161, 162 which are, like in the previous case, made of a dielectric material.
  • the electrodes 191, 192 form the walls 161, 162 or are integrated into these walls, and can for example be in contact with the precursor.
  • the cartridge 114 may further comprise a mouthpiece arranged adjacent to the electrode 192. In this case, no mouthpiece arrangement is needed for the device 112. This can simplify the structure of the payload compartment 138.
  • one of the electrodes 191, 192 is integrated into the device 112 and the other into the cartridge 114.
  • the electrode 191 may be arranged in the device 112 as the electrode 91 according to the first embodiment and the electrode 192 may be arranged in the cartridge 114 as explained above.
  • the heating system and the aerosol generation assembly according to the invention are also possible.
  • different components of the heating system may be arranged differently in respect with the device and the cartridge.
  • the cartridge may comprise some other components of the heating system, as for example the coil.
  • the heating system according to the invention may also be used in an aerosol generation device comprising a fixed precursor storage portion.
  • the heating system is arranged entirely within the device housing with a core around the precursor storage portion and electrodes on opposite sides of it.
  • the measuring circuit of the heating system according to the invention may also be implemented differently, for example without electrodes, by using an appropriate sensor.

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  • Catching Or Destruction (AREA)
EP20188713.0A 2020-07-30 2020-07-30 Système de chauffage par dépôt de suscepteur pour un ensemble de génération d'aérosol et cartouche, dispositif de génération d'aérosol et ensemble de génération d'aérosol associés Withdrawn EP3944777A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20188713.0A EP3944777A1 (fr) 2020-07-30 2020-07-30 Système de chauffage par dépôt de suscepteur pour un ensemble de génération d'aérosol et cartouche, dispositif de génération d'aérosol et ensemble de génération d'aérosol associés

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20188713.0A EP3944777A1 (fr) 2020-07-30 2020-07-30 Système de chauffage par dépôt de suscepteur pour un ensemble de génération d'aérosol et cartouche, dispositif de génération d'aérosol et ensemble de génération d'aérosol associés

Publications (1)

Publication Number Publication Date
EP3944777A1 true EP3944777A1 (fr) 2022-02-02

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EP20188713.0A Withdrawn EP3944777A1 (fr) 2020-07-30 2020-07-30 Système de chauffage par dépôt de suscepteur pour un ensemble de génération d'aérosol et cartouche, dispositif de génération d'aérosol et ensemble de génération d'aérosol associés

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016075436A1 (fr) * 2014-11-11 2016-05-19 Relco Induction Developments Limited Inhalateurs de vapeur électroniques
WO2017068096A1 (fr) * 2015-10-22 2017-04-27 Philip Morris Products S.A. Système de génération d'aérosol et capsule destinée à être utilisée dans un système de génération d'aérosol
US20170231278A1 (en) * 2016-02-12 2017-08-17 Oleg Mironov Aerosol-generating system with electrodes
US20180289067A1 (en) * 2017-04-05 2018-10-11 Jerome COURBAT Susceptor for use with an inductively heated aerosol-generating device or system
WO2019073237A1 (fr) * 2017-10-12 2019-04-18 British American Tobacco (Investments) Limited Système d'injection d'aérosol

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016075436A1 (fr) * 2014-11-11 2016-05-19 Relco Induction Developments Limited Inhalateurs de vapeur électroniques
WO2017068096A1 (fr) * 2015-10-22 2017-04-27 Philip Morris Products S.A. Système de génération d'aérosol et capsule destinée à être utilisée dans un système de génération d'aérosol
US20170231278A1 (en) * 2016-02-12 2017-08-17 Oleg Mironov Aerosol-generating system with electrodes
US20180289067A1 (en) * 2017-04-05 2018-10-11 Jerome COURBAT Susceptor for use with an inductively heated aerosol-generating device or system
WO2019073237A1 (fr) * 2017-10-12 2019-04-18 British American Tobacco (Investments) Limited Système d'injection d'aérosol

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