WO2022220438A1 - 차등 가열 기능을 구비한 에어로졸 발생 장치 및 이에 적용되는 에어로졸 발생 물품 - Google Patents
차등 가열 기능을 구비한 에어로졸 발생 장치 및 이에 적용되는 에어로졸 발생 물품 Download PDFInfo
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- WO2022220438A1 WO2022220438A1 PCT/KR2022/004205 KR2022004205W WO2022220438A1 WO 2022220438 A1 WO2022220438 A1 WO 2022220438A1 KR 2022004205 W KR2022004205 W KR 2022004205W WO 2022220438 A1 WO2022220438 A1 WO 2022220438A1
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- Prior art keywords
- aerosol
- heating
- unit
- segment
- generating
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- 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
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/105—Induction heating apparatus, other than furnaces, for specific applications using a susceptor
- H05B6/108—Induction heating apparatus, other than furnaces, for specific applications using a susceptor for heating a fluid
-
- 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
- A24F40/30—Devices using two or more structurally separated inhalable precursors, e.g. using two liquid precursors in two cartridges
-
- 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
- A24F47/00—Smokers' requisites not otherwise provided for
-
- 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
-
- 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
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/06—Control, e.g. of temperature, of power
-
- 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
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/105—Induction heating apparatus, other than furnaces, for specific applications using a susceptor
-
- 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
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/36—Coil arrangements
-
- 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
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/36—Coil arrangements
- H05B6/44—Coil arrangements having more than one coil or coil segment
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF 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
Definitions
- the present disclosure relates to an aerosol-generating device having a differential heating function and an aerosol-generating article applied thereto. More particularly, it relates to an aerosol-generating device capable of providing a more improved smoking quality by differentially heating each part of the aerosol-generating article, and an aerosol-generating article applicable to such a device.
- the heating temperature of the aerosol-generating device one of the important factors influencing the smoking quality of the user is the heating temperature of the aerosol-generating device. This is because, when the heating temperature is too low, the taste is deteriorated, and when the heating temperature is too high, it may cause excessive taste expression and a phenomenon of disconnection of the taste in the second half. Therefore, in order to provide a more improved smoking quality to the user, the heating temperature of the aerosol-generating device needs to be properly controlled.
- each part of the cigarette contains substances having different expression temperatures
- differential heating of each part may have a positive effect on improving smoking quality. This is because, when each part of the cigarette is heated to the same temperature, substances contained in a specific part of the cigarette may be underexpressed or overexpressed.
- a technical problem to be solved through some embodiments of the present disclosure is to provide an aerosol-generating device having a differential heating function.
- Another technical problem to be solved through some embodiments of the present disclosure is to provide an aerosol-generating article that can be applied to an aerosol-generating device having a differential heating function.
- an aerosol-generating device generates an aerosol by heating a housing that forms a receiving space for accommodating an aerosol-generating article and the aerosol-generating article accommodated in the receiving space. It may include a heater for generating.
- the heater unit includes a first heating unit for heating a first portion of the aerosol-generating article at a first distance and a second heating unit for heating a second portion of the aerosol-generating article at a second distance greater than the first distance.
- the heater unit may further include an inductor for inductively heating the first heating unit and the second heating unit.
- the first portion is a first segment of the aerosol-generating article
- the second portion is a second segment located downstream of the first segment, the first segment comprising an aerosol former; , wherein the second segment may comprise a nicotine generating substrate.
- an inner diameter of the first heating part may be smaller than that of the second heating part.
- the heater unit may further include an inductor, and the inductor may include a first coil unit for inductively heating the first heating unit and a second coil unit for inductively heating the second heating unit.
- the diameter of the first coil part may be smaller than that of the second coil part.
- a difference in heat capacity between the first heating unit and the second heating unit may be less than or equal to 10% of the heat capacity of the first heating unit.
- an aerosol-generating device having a differential heating function may be provided.
- a provided aerosol-generating device may improve smoking quality by differentially heating a first portion and a second portion of the aerosol-generating article.
- an aerosol-generating article contained in the device comprises a first segment containing an aerosol former and a second segment containing a nicotine-generating substrate
- a provided aerosol-generating device may produce a first segment having a high substance expression temperature. It can be heated more strongly than two segments.
- a continuous taste and abundant amount of atomization can be provided to the user. That is, a high-quality smoking experience may be provided to the user.
- FIG. 1 is an exemplary diagram schematically illustrating an aerosol-generating device according to some embodiments of the present disclosure.
- FIGS. 2 and 3 are exemplary diagrams schematically illustrating an aerosol-generating device according to some other embodiments of the present disclosure.
- FIG. 4 is an exemplary diagram illustrating an aerosol-generating article according to some embodiments of the present disclosure.
- 5 and 6 are exemplary views for explaining the structure and principle of differential heating of the heater unit according to the first embodiment of the present disclosure.
- FIG. 7 to 9 are exemplary views for explaining a method of reducing a difference in heat capacity between heating units in the heater unit according to the first embodiment of the present disclosure.
- FIGS. 10 and 11 are exemplary views for explaining the structure and principle of differential heating of the heater unit according to the second embodiment of the present disclosure.
- FIG. 12 is an exemplary view for explaining a structure and principle of differential heating of a heater unit according to a third embodiment of the present disclosure.
- FIG. 13 and 14 are exemplary views for explaining the structure and principle of differential heating of a heater unit according to a fourth embodiment of the present disclosure.
- 15 is an exemplary view for explaining a position of an opening in a heater unit according to a fourth embodiment of the present disclosure.
- 16 is an exemplary view for explaining an arrangement of openings in a heater unit according to a fourth embodiment of the present disclosure.
- 17 is an exemplary view for explaining a method of reducing a difference in heat capacity between heating units in a heater unit according to a fourth embodiment of the present disclosure.
- aerosol former may mean a substance capable of facilitating the formation of an aerosol.
- aerosol formers include, but are not limited to, glycerin, propylene glycol, ethylene glycol, dipropylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, and oleyl alcohol.
- an aerosol former may be used interchangeably with terms such as a humectant, a humectant, and the like.
- aerosol-forming substrate may mean a material capable of forming an aerosol. Aerosols may contain volatile compounds.
- the aerosol-forming substrate may be solid or liquid.
- the solid aerosol-forming substrate may comprise a solid material based on tobacco raw materials such as leaf tobacco, cut filler, reconstituted tobacco, etc.
- the liquid aerosol-forming substrate may contain nicotine, tobacco extract and/or various flavoring agents. liquid compositions based on it.
- the aerosol-forming substrate may further comprise an aerosol former to stably form an aerosol.
- aerosol-generating device may refer to a device that uses an aerosol-forming substrate to generate an aerosol to generate an inhalable aerosol directly into the user's lungs through the user's mouth. Reference is made to FIGS. 1 to 3 for some examples of aerosol-generating devices.
- aerosol-generating article may mean an article capable of generating an aerosol.
- the aerosol-generating article may comprise an aerosol-forming substrate.
- a representative example of an aerosol-generating article may be a cigarette, but the scope of the present disclosure is not limited thereto.
- upstream or downstream direction means a direction away from the user's (smoker's) bend
- downstream or downstream direction means a direction that is closer to the user's (smoker's) bend. It can mean direction.
- upstream and downstream may be used to describe the relative positions of elements constituting the aerosol-generating article.
- the aerosol-forming substrate part 21 is located upstream or upstream of the filter part 22
- the filter part 22 is the aerosol-forming substrate part 21 .
- puff means inhalation of the user, and inhalation may mean a situation in which the user's mouth or nose is drawn into the user's mouth, nasal cavity, or lungs. .
- longitudinal direction may mean a direction corresponding to the longitudinal axis of the aerosol-generating article.
- FIG. 1 is an exemplary diagram schematically showing an aerosol-generating device 1 according to some embodiments of the present disclosure.
- the figures below FIG. 1 show as an example the state in which the aerosol-generating article 2 is accommodated (inserted) in the device 1 .
- the aerosol generating device 1 may include a housing, a heater unit 13 , a battery 11 , and a control unit 12 .
- the aerosol generating device 1 includes an input module (e.g. button, touchable display, etc.) for receiving a command from a user and an output module (e.g. LED, display, vibration motor, etc.) may be further included.
- an input module e.g. button, touchable display, etc.
- an output module e.g. LED, display, vibration motor, etc.
- the housing may form the exterior of the aerosol-generating device 1 .
- the housing may also define a receiving space for receiving the aerosol-generating article 2 . It may be preferable that the housing is implemented with a material capable of protecting internal components.
- the heater unit 13 may heat the aerosol-generating article 2 accommodated in the accommodation space. Specifically, when the aerosol-generating article 2 is accommodated in the receiving space of the aerosol-generating device 1 , the heater unit 13 can heat the aerosol-generating article 2 by electric power supplied from the battery 11 . .
- the aerosol-generating article 2 may generate an aerosol as it is heated, and the generated aerosol may be inhaled through the user's mouth.
- the operation method and/or implementation form of the heater unit 13 may vary.
- the heater unit 13 may operate in a resistance heating method.
- the heater unit 13 includes an electrically insulating substrate (for example, a substrate formed of polyimide) and an electrically conductive track, and electrically resistive heating that generates heat as a current flows in the electrically conductive track. It can contain elements.
- the heater unit 13 may operate in an induction heating method.
- the heater unit 13 may include an induction coil and a heating element (ie, a susceptor) that is inductively heated by the induction coil.
- a susceptor may be located outside of the aerosol-generating article 2 , or may be located inside.
- the scope of the present disclosure is not limited to the above-described examples, and the heater unit 13 may be operated in any manner as long as it can heat the aerosol-generating article 2 to a desired temperature.
- the desired temperature may be preset in the aerosol-generating device 1 (eg, when a temperature profile is stored in advance), or may be set to a desired temperature by the user.
- the heater unit 13 may include a heating element that internally heats the aerosol-generating article 2 (hereinafter referred to as an "internal heating element"), an external heating element (hereinafter referred to as an “external heating element”) It may be implemented in a form including ”) or a combination thereof.
- the internal heating element may be arranged to penetrate at least a portion of the aerosol-generating article 2, for example in the form of a tubular, needle or rod-shaped, etc., and the external heating element may be in the form of a plate, cylindrical or the like, and the aerosol-generating article ( At least a part of 2) may be arranged in a wrap-around form.
- the scope of the present disclosure is not limited thereto, and the shape, number, arrangement, and the like of the heating element may be designed in various ways.
- the heater unit 13 may be configured to differentially heat each part of the aerosol-generating article 2 .
- the heater unit 13 may configure the first portion and the second portion according to the material expression temperature.
- the parts can be heated differentially.
- the material expression temperature may mean a temperature at which the material can be continuously well expressed during smoking.
- the battery 11 may supply the power used to operate the aerosol-generating device 1 .
- the battery 11 may supply power so that the heater unit 13 can heat the aerosol-generating article 2 , and may supply the power required for the control unit 12 to operate.
- the battery 11 may supply electric power required to operate electrical components such as a display (not shown), a sensor (not shown), and a motor (not shown) installed in the aerosol generating device 1 .
- control unit 12 may control the overall operation of the aerosol-generating device (1).
- the controller 12 may control the operation of the heater unit 13 and the battery 11 , and may also control the operation of other components included in the aerosol-generating device 1 .
- the control unit 12 may control the power supplied by the battery 11 , the heating temperature of the heater unit 13 , and the like.
- the control unit 12 may determine whether the aerosol-generating device 1 is in an operable state by checking the state of each of the components of the aerosol-generating device 1 .
- the controller 12 may be implemented by at least one processor.
- the control unit may be implemented as an array of a plurality of logic gates, or may be implemented as a combination of a general-purpose microcontroller and a memory in which a program executable in the microcontroller is stored.
- a general-purpose microcontroller or may be implemented as a combination of a general-purpose microcontroller and a memory in which a program executable in the microcontroller is stored.
- the controller 12 may be implemented in other types of hardware.
- the aerosol-generating article 2 may have a structure similar to that of a general combustion cigarette.
- the aerosol-generating article 2 may be divided into an aerosol-forming substrate portion comprising an aerosol-forming substrate (e.g. an aerosol former, a nicotine-generating substrate, etc.) and a filter portion comprising a filter material.
- an aerosol-forming substrate e.g. an aerosol former, a nicotine-generating substrate, etc.
- a filter portion comprising a filter material.
- At least a portion of the aerosol-forming substrate is inserted into the aerosol-generating device 1, and the filter unit may be exposed to the outside, but is not limited thereto. The user can smoke while holding the filter unit with his or her mouth.
- the aerosol-forming substrate portion of the aerosol-generating article 2 may comprise a plurality of segments.
- each segment may include substances having different expression temperatures.
- the first segment may include an aerosol former having a relatively high substance expression temperature
- the second segment may include a nicotine-generating substrate having a relatively low substance expression temperature.
- FIGS 2 and 3 are diagrams for explaining the aerosol-generating device 1 according to some other embodiments of the present disclosure.
- the aerosol-generating device 1 may further include a vaporizer 14 .
- 2 illustrates that the heater part 13 (or aerosol-generating article 2) and the vaporizer 14 are arranged in parallel
- FIG. 3 shows the heater part 13 (or aerosol-generating article 2) and the vaporizer ( 14) exemplifies that they are arranged in a line.
- the internal structure of the aerosol-generating device 1 is not limited to the examples of FIGS. 2 and 3 , and the arrangement of the components may be freely changed.
- the vaporizer 14 comprises a liquid reservoir for storing a liquid aerosol-forming substrate, a wick for absorbing the aerosol-forming substrate, and a vaporizing element for vaporizing the absorbed aerosol-forming substrate to generate an aerosol.
- a liquid reservoir for storing a liquid aerosol-forming substrate
- a wick for absorbing the aerosol-forming substrate
- a vaporizing element for vaporizing the absorbed aerosol-forming substrate to generate an aerosol.
- the vaporizer 14 may be designed to have a structure that does not include a wick.
- the vaporization element may be implemented in various forms, such as a heating element, a vibration element, and the like, and may be controlled by the controller 12 .
- the controller 12 may be implemented as a heating element, the operation of the heating element, heating temperature, etc. may be controlled by the controller 12 .
- the aerosol generated by the vaporizer 14 may pass through the aerosol-generating article 2 and be inhaled through the mouth of a user.
- the aerosol formed by the vaporizer 14 can travel along an airflow path of the aerosol-generating device 1 , wherein the airflow path is configured such that the formed aerosol can pass through the aerosol-generating article 2 and be delivered to the user.
- the vaporizer 14 may be used interchangeably with terms such as a cartomizer, an atomizer, and a cartridge.
- the aerosol-generating device 1 according to various embodiments of the present disclosure has been schematically described with reference to FIGS. 1 to 3 .
- an aerosol-generating article 2 according to some embodiments of the present disclosure will be described with reference to FIG. 4 .
- FIG. 4 is an exemplary diagram illustrating an aerosol-generating article 2 according to some embodiments of the present disclosure.
- the aerosol-generating article 2 may comprise an aerosol-forming substrate portion 21 , a filter portion 22 and a wrapper 23 .
- FIG. 4 only shows a preferred embodiment of the present disclosure, the structure of the aerosol-generating article 2 may be different from that shown in FIG. 4 .
- each of the aerosol-forming substrate unit 21 and the filter unit 22 may include a wrapper 23 .
- the aerosol-forming substrate portion 21 may include a plurality of segments 211 , 212 . 4 illustrates a case in which the number of segments of the aerosol-forming base unit 21 is two as an example, but the number of segments may be three or more.
- Each segment 211 , 212 may include a material having a different expression temperature (or optimum heating temperature).
- the first segment 211 may comprise an aerosol former (e.g. an expression temperature of about 290 degrees)
- the second segment 212 located downstream of the first segment 211 may include a nicotine generating substrate (e.g. an expression temperature of about 150 degrees).
- the high-temperature aerosol formed in the first segment 211 may transfer the nicotine component while passing through the second segment 212 , thereby providing a high-quality smoking experience to the user.
- each segment 212 needs to be differentially heated according to the material expression temperature.
- the substance expression temperature of the second segment 212 e.g. about 150 degrees
- the substance expression temperature of the first segment 211 e.g. about 290 degrees
- the first segment 211 may comprise crimped paper impregnated with an aerosol former.
- the aerosol former may include, for example, at least one of glycerin, propylene glycol, ethylene glycol, dipropylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol and oleyl alcohol.
- the present invention is not limited thereto.
- the nicotine generating substrate may include, for example, tobacco cut filler, tobacco particles, tobacco sheets, tobacco beads, and tobacco granules.
- the nicotine generating substrate may comprise crimped paper impregnated with tobacco extract. When the nicotine-generating substrate is heated, nicotine may be generated (expressed) from the nicotine-generating substrate and nicotine may be transferred to the filter unit 22 .
- the filter unit 22 may perform a filtering function for the aerosol formed in the aerosol-forming base unit 21 .
- the filter unit 22 may be formed of a single segment or may be formed of a plurality of segments (e.g. 221 and 222 ).
- the filter unit 22 may include a first filter segment 221 and a second filter segment 222 , or may include three or more segments.
- the first filter segment 221 may perform a cooling function for the aerosol. Accordingly, the first filter segment 221 may be referred to as a “cooling segment” 221 .
- the cooling segment 221 may be implemented in various forms.
- the cooling segment 221 may be a paper tube or cellulose acetate tube filter formed of a paper material and having a hollow cylindrical shape.
- the cooling segment 221 may be made of a polymer material or a biodegradable polymer material.
- the polymer material may be, for example, a woven fabric made of polylactic acid (PLA) fibers, but is not limited thereto.
- the cooling segment 221 may be made of a cellulose acetate filter perforated with a plurality of holes.
- the scope of the present disclosure is not limited to the above-described examples, and the cooling segment 221 may be implemented in any manner as long as it can perform a cooling function for the aerosol.
- the second filter segment 222 may perform a filtering function for the cooled aerosol.
- the second filter segment 222 may include a filter material such as cellulose acetate fiber, paper, or the like. Additionally, the second filter segment 222 may function as a mouthpiece that contacts the user's mouth. Accordingly, the second filter segment 222 may be referred to as a “mouthpiece segment” 222 .
- the mouthpiece segment 222 may be implemented in various forms.
- the mouthpiece segment 222 may be a cellulose acetate filter.
- the present invention is not limited thereto.
- the mouthpiece segment 222 may be, for example, a cylindrical rod or a tubular rod having a hollow therein.
- the mouthpiece segment 222 may be a recessed rod.
- the mouthpiece segment 222 may include at least one capsule (not shown).
- the capsule (not shown) may perform a function of generating flavor or may perform a function of generating an aerosol.
- the capsule (not shown) may have a structure in which a liquid containing a fragrance is wrapped with a film.
- the capsule (not shown) may have a spherical or cylindrical shape, but is not limited thereto.
- the wrapper 23 may wrap at least a portion of the aerosol-generating article 2 .
- the wrapper 23 may include a first wrapper surrounding the aerosol-forming substrate unit 21 and a second wrapper surrounding the filter unit 22 .
- the wrapper 23 may further include a third wrapper that wraps the aerosol-forming substrate unit 21 and the filter unit 22 together.
- the third wrapper may generally serve as a tip paper.
- At least one of the first to third wrappers may be biodegradable wrapping paper. When biodegradable wrapping paper is used, the aerosol-generating article 2 can be rapidly decomposed by microorganisms, so that environmental pollution can be reduced.
- the aerosol-generating article 2 according to some embodiments of the present disclosure has been described with reference to FIG. 4 .
- various embodiments of the heater unit 13 capable of providing a high-quality smoking experience by differentially heating the aerosol-generating article 2 as described above will be described.
- the heater unit 13 includes two heating units operating in an induction heating method, and the aerosol-generating article 2 has the structure illustrated in FIG. 4 . and assuming that the first segment 211 contains the aerosol former and the second segment 212 contains the nicotine generating substrate.
- the scope of the present disclosure is not limited thereto.
- the heater unit 13 according to the first embodiment of the present disclosure will be described with reference to FIGS. 5 to 9 .
- FIG. 6 illustrate the state in which the aerosol-generating article 2 is accommodated (inserted) in the device 1 , and for convenience the filter part 22 is shown as a single segment.
- the present embodiment is a heater unit 13 for differentially heating the aerosol-generating article 2 based on the distance between the heating element 132 and the aerosol-generating article 2 . it's about
- the heater unit 13 may include an inductor 131 and a heating element 132 .
- the heater unit 13 may include an inductor 131 and a heating element 132 .
- FIG. 5 only components related to the embodiment of the present disclosure are illustrated in FIG. 5 . Accordingly, those skilled in the art to which the present disclosure pertains can see that other general-purpose components other than the components shown in FIG. 5 may be further included. Hereinafter, each component of the heater unit 13 will be described.
- the inductor 131 may perform an induction heating function for the heating element 132 .
- the inductor 131 may include one or more coil units 1311 and 1312 .
- the inductor 131 may include a first coil unit 1311 for inductively heating the first heating unit 1321 constituting the heating element 132 and a first coil unit 1311 for inductively heating the second heating unit 1322 .
- Two coil units 1312 may be included.
- the inductor 131 may further include a third coil unit (not shown) for inductively heating the third heating unit (not shown).
- the first coil unit 1311 and the second coil unit 1312 may be independently controlled by the controller 12 .
- the first coil unit 1311 and the second coil unit 1312 are configured as separate coils, and the intensity of alternating current (power) supplied to the first coil unit 1311 and the second coil unit 1312 is , frequency, etc. can be independently controlled by the control unit 12 .
- the control unit 12 it is possible to independently control the corresponding heating units 1321 and 1322 through the first coil unit 1311 and the second coil unit 1312 (e.g., the heating unit 1321 through the intensity of the supplied power) Independently control the heating temperature of 1322), control precision and flexibility can be improved.
- the first coil unit 1311 and the second coil unit 1312 may be controlled by the controller 12 at once.
- the first coil unit 1311 and the second coil unit 1312 may be configured as one coil, and may be controlled by the controller 12 at once.
- the circuit configuration between the control unit 12 and the coil units 1311 and 1312 may be simplified.
- the heating element 132 may perform a heating function for the aerosol-generating article 2 . That is, the heating element 132 may heat the aerosol-generating article 2 as it is inductively heated by the inductor 131 .
- the heating element 132 may function as a susceptor, and may include a plurality of heating units 1321 and 1322 .
- the first heating element 1321 can heat the first segment 211 of the aerosol-generating article 2
- the second heating element 1322 can heat the second segment 212 of the aerosol-generating article 2 . can be heated.
- the heating target of each of the heating units 1321 and 1322 may not correspond to the segments 211 and 212 constituting the aerosol-generating article 2 .
- the first heating element 1321 heats the first portion of the aerosol-generating article 2
- the second heating element 1322 provides the aerosol-generating article ( The second part of 2) may be heated.
- each heating unit 1321 , 1322 may be implemented as a physically separated heating element.
- the first heating unit 1321 may be implemented as a first heating element
- the second heating unit 1322 may be implemented as a second heating element distinct from the first heating element.
- the plurality of heating units 1321 and 1322 may be implemented as a physically integrated heating element.
- the first heating unit 1321 may constitute a part of the specific heating element
- the second heating element 1322 may constitute another part of the specific heating element.
- each heating element 1321 , 1322 may be located at a different distance D11 , D12 from the aerosol-generating article 2 .
- the first heating unit 1321 is located at a relatively short distance D11 from the first segment 211
- the second heating unit 1322 is located at a relatively long distance D12 from the second segment 212 . can be located in
- the inner diameter of the first heating unit 1321 may be smaller than that of the second heating unit 1322 .
- the scope of the present disclosure is not limited thereto.
- the first heating element 1321 and the second heating element 1322 are not cylindrical (e.g. planar)
- the respective heating elements 1321 , 1322 are not cylindrical (e.g. planar)
- the distance D11, D12 difference described above may be achieved.
- the first segment 211 may be heated more strongly (at a high temperature) than the second segment 212 by the first heating unit 1321 positioned at a relatively close distance D11.
- the atomization amount may be increased by the formation of a large amount of aerosol in the first segment 211 containing the aerosol former, and an appropriate amount of nicotine is continuously supplied in the second segment 211 containing the nicotine generating substrate.
- the shape, arrangement position, material, heat capacity, distance to, and length of, the heating units 1321 and 1322 of the heating units 1321 and 1322 may be variously designed.
- the heating units 1321 and 1322 may have a cylindrical shape.
- the heating units 1321 and 1322 may be formed in a shape corresponding to the aerosol-generating article 2 .
- the aerosol-generating article 2 as a whole can be easily heated by the heating element 1321 , 1322 .
- the downstream end of the second heating portion 1322 located downstream may be disposed to coincide with the downstream end of the second segment 212 .
- the end of the heating part (e.g. 1322) located at the most downstream may be arranged to coincide with the downstream end of the aerosol-forming substrate part (21).
- the physical properties of the filter unit 22 may be prevented from being changed by the heat of the heating unit (e.g. 1322) located at the most downstream, and the aerosol-forming substrate unit 21 may be easily heated as a whole.
- the first heating unit 1321 and the second heating unit 1322 may be made of the same material.
- the first heating unit 1321 may be made of a material different from that of the second heating unit 1322 .
- the first heating unit 1321 may be made of a material having relatively strong induction heating
- the second heating unit 1322 may be made of a material having relatively weak induction heating.
- the differential heating for each segment 211 and 212 may be further strengthened, or the differential heating may be implemented even if it is not based on the distance D11 and D12 difference.
- the distance D21 from the first heating unit 1321 to the first coil unit 1311 is the distance D22 from the second heating unit 1322 to the second coil unit 1312 and can be the same.
- the first coil unit 1311 may have a smaller diameter than the second coil unit 1312 .
- the distance D21 may be different from the distance D22.
- the distance D21 may be closer than the distance D22. In this case, as the first heating unit 1321 is inductively heated more strongly than the second heating unit 1322 , the first segment 211 may be heated more strongly (at a high temperature) than the second segment 212 .
- the two heating units 1321 and 1322 may have the same heat capacity.
- the first heating unit 1321 and the second heating unit 1322 may be made of the same material (ie, the specific heat of the material is the same), and may have the same mass. In this case, the two heating units 1321 and 1322 may be heated at the same rate.
- the two heating units 1321 and 1322 may have different heat capacities.
- the difference in the heat capacity of the two heating units 1321 and 1322 may be about 20% or less, about 10% or less, or about 5% or less of the heat capacity of the first heating unit 1321 . Within this numerical range, the two heating units 1321 and 1322 may be heated at a similar rate.
- the length of the first heating unit 1321 is slightly longer than the original length (e.g. longer than the length of the first segment 211) and the length of the second heating unit 1322 is longer than the original length.
- a mass difference between the first heating unit 1321 and the second heating unit 1322 may be reduced.
- the heat capacity difference can be reduced as the mass difference is reduced.
- the first heating unit 1321 and the second heating unit can be reduced.
- the second heating unit 1322 may be arranged to heat the portion other than the downstream end portion of the second segment 212 .
- a heating limiting region 24 is formed at the downstream end portion of the second segment 212 , so that a filtering effect on the aerosol may also be generated.
- the meaning of filtering may include not only some of the components included in the aerosol are filtered, but also when other components are further included in the aerosol.
- the filtering may cover all cases in which components in the aerosol are changed. Specifically, some components in the aerosol may be filtered while passing through the heating restriction region 24 , and some components included in the heating restriction region 24 may be further included in the aerosol. Accordingly, the aerosol discharged to the outside of the aerosol-generating article 2 may be different from the component of the initially generated aerosol, and thus, a flavor different from that when the entire second segment 212 is heated may be exhibited.
- the thickness of the first heating unit 1321 is thicker than that of the second heating unit 1322 , the first heating unit 1321 and the second heating unit 1322 .
- the mass difference of can be reduced.
- the heat capacity difference can be reduced as the mass difference is reduced.
- the heater unit 13 according to the first embodiment of the present disclosure has been described with reference to FIGS. 5 to 9 .
- the differential heating structure and principle of the heater unit 13 according to the second embodiment of the present disclosure will be described with reference to FIG. 10 .
- a description of the content overlapping with the previous embodiment will be omitted.
- the present embodiment relates to a heater unit 13 that performs differential heating based on a distance between a coil unit e.g. 1311 and a heating unit e.g. 1321 .
- the heater unit 13 may include a plurality of heating units 1321 and 1322 and coil units 1311 and 1312 positioned at different distances from the respective heating units 1321 and 1322 .
- the heater unit 13 may have a relatively long distance D32 from the first coil unit 1311 and the second heating unit 1322 positioned at a relatively close distance D31 from the first heating unit 1321 . It may include a second coil unit 1312 located in the .
- the heater unit 13 includes a plurality of heating units 1321 and 1322 having the same or similar inner diameter, a first coil unit 1311 having a relatively small diameter, and a second coil unit having a relatively large diameter ( 1312) may be included.
- the first heating unit 1321 located at a relatively close distance D31 from the first coil unit 1311 is inductively heated more strongly than the second heating unit 1322 , the first segment 211 is first It can be heated more strongly (to a higher temperature) than the two segments 212 .
- the heater unit 13 according to the second embodiment of the present disclosure has been described with reference to FIG. 10 .
- the differential heating structure and principle of the heater unit 13 according to the third embodiment of the present disclosure will be described with reference to FIG. 11 .
- the present embodiment relates to a heater unit 13 that performs differential heating based on a difference in heat capacity between the heating units 1321 and 1322 .
- the heater unit 13 may include a plurality of heating units 1321 and 1322 having different heat capacities and coil units 1311 and 1312 for inductively heating each of the heating units 1321 and 1322.
- the heater unit 13 may include a first heating unit 1321 having a relatively small mass and a second heating unit 1322 having a relatively large mass.
- the material specific heat of the first heating unit 1321 and the second heating unit 1322 may be the same or similar, but is not limited thereto.
- the first heating unit 1321 is heated faster than the second heating unit 1322, and as a result, the first segment 211 is heated to the second segment ( 212) can be heated to a higher temperature.
- the heater unit 13 according to the third embodiment of the present disclosure has been described with reference to FIG. 11 .
- the differential heating structure and principle of the heater unit 13 according to the fourth embodiment of the present disclosure will be described with reference to FIG. 12 .
- the present embodiment relates to a heater unit 13 that performs differential heating based on the number of turns of a coil unit (e.g. 1311).
- the heater unit 13 is induction heating by a first coil unit 1311 having a relatively large number of turns, a second coil unit 1312 having a relatively small number of turns, and each coil unit 1311 and 1312 . It may include a heating unit 1321, 1322 that is.
- the coil units 1311 and 1312 may have a plurality of winding layers.
- the first coil unit 1311 may have a plurality of winding layers.
- both coil units 1311 and 1312 may have a plurality of winding layers, and the number of winding layers of the first coil unit 1311 may be greater than that of the second coil unit 1312 .
- the first heating unit 1321 is inductively heated more strongly than the second heating unit 1322 by the first coil unit 1311 having a relatively large number of turns
- the first segment 211 is the second segment It can be heated more strongly (to a higher temperature) than (212).
- the heater unit 13 according to the fourth embodiment of the present disclosure has been described with reference to FIG. 12 .
- the heater unit 13 according to the fifth embodiment of the present disclosure will be described with reference to the drawings below with reference to FIG. 13 .
- FIG. 14 are exemplary views for explaining the differential heating structure and principle of the heater unit 13 according to the fifth embodiment of the present disclosure.
- the drawings below FIG. 14 show the heating units 1321 and 1322 in the form of a plane for convenience of understanding.
- the present embodiment relates to a heater unit 13 that performs differential heating using an opening 133 formed in the heating units 1321 and 1322 .
- the heater unit 13 may include coil units 1311 and 1312 and a plurality of heating units 1321 and 1322 that are inductively heated by the respective coil units 1311 and 1312 .
- at least one opening 133 may be formed in the second heating unit 1322 (when the second segment 212 is heated more weakly).
- a specific gravity of the opening 133 in the second heating unit 1322 may be greater than that of the first heating unit 1321 .
- a larger number of openings 133 may be formed in the second heating unit 1322 , or openings 133 having a larger size may be formed.
- the second segment 212 is heated relatively weakly (at a low temperature) and the first segment 211 is heated. can be heated relatively strongly (to a high temperature).
- the number, shape, size, location, arrangement, and the like of the openings 133 may be designed in various ways.
- the shape of the opening 133 may be a triangle, a quadrangle (slot shape), a circle, or the like, but is not limited thereto.
- the opening 133 may be formed at a position corresponding to a downstream end portion of the second segment 212 .
- a second heating unit is formed so that a heat limiting region 24 (ie, a region in which heating is relatively low) is formed in a transverse direction at a downstream end portion of the second segment 212 .
- An opening 133 may be formed on the 1323 . In this case, a filtering effect on the aerosol may be generated and a different smoking experience may be provided to the user.
- the one or more openings 133 may be formed in a horizontal direction (ie, a vertical direction in a longitudinal direction).
- the plurality of openings 133 - 1 to 133 - 3 may be formed on the second heating unit 1322 in a horizontal direction and spaced apart from each other.
- the separation distance between the openings 133 may be the same or different.
- the plurality of openings 133 may be formed in a form in which the separation distance gradually increases or decreases.
- the size of the opening 133 may be the same or different.
- the plurality of openings 133 may be formed to gradually increase or decrease in size.
- one or more openings 133 may be formed in a longitudinal (vertical) direction.
- a plurality of openings 133 may be formed on the second heating unit 1322 in the longitudinal direction and spaced apart from each other.
- the problem of damage to the aerosol-generating article 2 due to the opening 133 can be greatly alleviated.
- the aerosol-generating article 2 when the aerosol-generating article 2 is inserted or removed, it may be caught or caught in the opening 133, and if the opening 133 is formed in the same direction as the insertion direction (or removal direction), this problem can be greatly alleviated. have.
- the shape, arrangement position, material, heat capacity, distance to, and length of, the heating units 1321 and 1322 of the heating units 1321 and 1322 may be variously designed.
- first distance is the distance from the second heating unit 1322 to the second coil unit 1312 .
- second distance is the distance from the first heating unit 1321 to the first coil unit 1311 .
- first distance and second distance may be different.
- the first distance may be closer than the second distance. In this case, as the first heating unit 1321 is inductively heated more strongly than the second heating unit 1322 , the first segment 211 may be heated more strongly (at a high temperature) than the second segment 212 .
- the two heating units 1321 and 1322 may have the same heat capacity.
- the first heating unit 1321 may be made of the same material as the second heating unit 1322 (ie, the specific heat of the material is the same), and may have the same mass. In this case, the two heating units 1321 and 1322 may be heated at the same rate.
- the two heating units 1321 and 1322 may have different heat capacities.
- the two heating units 1321 and 1322 may be designed to have different sizes.
- the second heating unit ( 1322 may be designed to be larger than the first heating unit 1321 .
- the length of the second heating unit 1322 may be designed to be longer than that of the first heating unit 1321 .
- the thickness of the second heating unit 1322 may be designed to be thicker than that of the first heating unit 1321 . In this case, the mass difference due to the opening 133 may be reduced, so that the difference in heat capacity may be reduced, and the temperature of the first heating unit 1321 and the second heating unit 1322 may be increased at the same or similar rate.
- the heater unit 13 includes a first heating unit 1321 , at least one opening 133 , and a second heating unit 1322 having an inner diameter larger than that of the first heating unit 1321 , and each heating unit. It may be configured to include coil parts 1311 and 1312 for inductively heating the parts 1321 and 1322 (a combination of the first and fifth embodiments).
- the heater unit 13 may operate in a resistance heating method.
- the heater part 13 may consist only of the electrically resistive heating element 132 excluding the inductor 131 , wherein the heating element 132 comprises different parts of the aerosol-generating article 2 (e.g. segment 211 , It may be configured to include a plurality of heating units (e.g. 1321 and 1322) for heating the 212). And, the plurality of heating units (e.g. 1321, 1322) can differentially heat different parts of the aerosol-generating article 2 based on, for example, the distance from the aerosol-generating article 2, the opening 133, etc. have.
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- Electromagnetism (AREA)
- Resistance Heating (AREA)
- Manufacture Of Tobacco Products (AREA)
Abstract
Description
Claims (11)
- 에어로졸 발생 물품을 수용하기 위한 수용공간을 형성하는 하우징; 및상기 수용공간에 수용된 상기 에어로졸 발생 물품을 가열함으로써 에어로졸을 발생시키는 히터부를 포함하고,상기 히터부는 상기 에어로졸 발생 물품의 제1 부분을 제1 거리에서 가열하는 제1 가열부와 상기 에어로졸 발생 물품의 제2 부분을 상기 제1 거리보다 먼 제2 거리에서 가열하는 제2 가열부를 포함하는, 에어로졸 발생 장치.
- 제1 항에 있어서,상기 히터부는 상기 제1 가열부 및 상기 제2 가열부를 유도 가열하기 위한 인덕터를 더 포함하는, 에어로졸 발생 장치.
- 제2 항에 있어서,상기 인덕터는 상기 제1 가열부에 대응되는 제1 코일부와 상기 제2 가열부에 대응되는 제2 코일부를 포함하되,상기 제1 코일부의 권선층의 수는 상기 제2 코일부보다 많은, 에어로졸 발생 장치.
- 제1 항에 있어서,상기 제1 부분은 상기 에어로졸 발생 물품의 제1 세그먼트이고,상기 제2 부분은 상기 제1 세그먼트의 하류에 위치한 제2 세그먼트이며,상기 제1 세그먼트는 에어로졸 형성제를 포함하고,상기 제2 세그먼트는 니코틴 발생 기재를 포함하는, 에어로졸 발생 장치.
- 제4 항에 있어서,상기 제2 가열부는 상기 제2 세그먼트의 하류 말단 부위를 제외한 나머지 부위를 가열하도록 구성되는, 에어로졸 발생 장치.
- 제1 항에 있어서,상기 제1 가열부의 내경은 상기 제2 가열부보다 작은, 에어로졸 발생 장치.
- 제6 항에 있어서,상기 히터부는 인덕터를 더 포함하고,상기 인덕터는 상기 제1 가열부를 유도 가열하기 위한 제1 코일부와 상기 제2 가열부를 유도 가열하기 위한 제2 코일부를 포함하며,상기 제1 코일부의 직경은 상기 제2 코일부보다 작은, 에어로졸 발생 장치.
- 제6 항에 있어서,상기 제1 가열부의 길이는 상기 제2 가열부보다 긴, 에어로졸 발생 장치.
- 제6 항에 있어서,상기 제1 가열부의 두께는 상기 제2 가열부보다 두꺼운, 에어로졸 발생 장치.
- 제1 항에 있어서,상기 제1 가열부와 상기 제2 가열부의 열용량 차이는 상기 제1 가열부의 열용량의 10% 이하인, 에어로졸 발생 장치.
- 제1 항에 있어서,상기 제2 가열부에는 적어도 하나의 개구부가 형성되어 있는, 에어로졸 발생 장치.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2023501590A JP7517631B2 (ja) | 2021-04-16 | 2022-03-25 | 差別加熱機能を具備するエアロゾル発生装置およびこれに適用されるエアロゾル発生物品 |
| EP22788294.1A EP4166020A4 (en) | 2021-04-16 | 2022-03-25 | AEROSOL GENERATING DEVICE WITH DIFFERENTIAL HEATING FUNCTION AND AEROSOL GENERATING ARTICLE APPLIED THERETO |
| CN202280006110.1A CN116157035A (zh) | 2021-04-16 | 2022-03-25 | 具备差温加热功能的气溶胶生成装置及适用于其的气溶胶生成制品 |
| US18/042,135 US12484625B2 (en) | 2021-04-16 | 2022-03-25 | Aerosol generation device having differentiated heating function and aerosol-generating article applied thereto |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2021-0049703 | 2021-04-16 | ||
| KR1020210049703A KR102630397B1 (ko) | 2021-04-16 | 2021-04-16 | 차등 가열 기능을 구비한 에어로졸 발생 장치 및 이에 적용되는 에어로졸 발생 물품 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2022220438A1 true WO2022220438A1 (ko) | 2022-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2022/004205 Ceased WO2022220438A1 (ko) | 2021-04-16 | 2022-03-25 | 차등 가열 기능을 구비한 에어로졸 발생 장치 및 이에 적용되는 에어로졸 발생 물품 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US12484625B2 (ko) |
| EP (1) | EP4166020A4 (ko) |
| JP (1) | JP7517631B2 (ko) |
| KR (1) | KR102630397B1 (ko) |
| CN (1) | CN116157035A (ko) |
| WO (1) | WO2022220438A1 (ko) |
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| CN120678266A (zh) * | 2024-03-22 | 2025-09-23 | 深圳麦时科技有限公司 | 加热不燃烧装置及其加热控制方法 |
| KR20250158255A (ko) * | 2024-04-30 | 2025-11-06 | 주식회사 케이티앤지 | 에어로졸 생성장치 |
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| KR102360135B1 (ko) * | 2019-08-08 | 2022-02-08 | 주식회사 케이티앤지 | 에어로졸 생성 시스템 |
| KR102275791B1 (ko) * | 2019-08-16 | 2021-07-09 | 주식회사 케이티앤지 | 에어로졸 생성 물품, 에어로졸 생성 장치 및 에어로졸 생성 시스템 |
| US20220287376A1 (en) * | 2019-08-23 | 2022-09-15 | Philip Morris Products S.A. | Temperature detection in peripherally heated aerosol-generating device |
| KR102651850B1 (ko) * | 2021-04-14 | 2024-03-26 | 주식회사 케이티앤지 | 차등 가열 기능을 구비한 에어로졸 발생 장치 및 이에 적용되는 에어로졸 발생 물품 |
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2021
- 2021-04-16 KR KR1020210049703A patent/KR102630397B1/ko active Active
-
2022
- 2022-03-25 WO PCT/KR2022/004205 patent/WO2022220438A1/ko not_active Ceased
- 2022-03-25 CN CN202280006110.1A patent/CN116157035A/zh active Pending
- 2022-03-25 US US18/042,135 patent/US12484625B2/en active Active
- 2022-03-25 EP EP22788294.1A patent/EP4166020A4/en active Pending
- 2022-03-25 JP JP2023501590A patent/JP7517631B2/ja active Active
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| KR20150139977A (ko) * | 2013-08-13 | 2015-12-14 | 필립모리스 프로덕츠 에스.에이. | 이중 열 전도 요소 및 개선된 기류를 갖는 흡연 물품 |
| KR20190097277A (ko) * | 2017-01-05 | 2019-08-20 | 브리티시 아메리칸 토바코 (인베스트먼츠) 리미티드 | 에어로졸 발생 디바이스 및 물품 |
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| WO2020260322A1 (en) * | 2019-06-28 | 2020-12-30 | Nicoventures Trading Limited | Aerosol provision device |
| KR20220053858A (ko) * | 2020-10-23 | 2022-05-02 | 주식회사 케이티앤지 | 유도가열식 에어로졸 발생 물품 및 장치 |
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| WO2024094488A1 (en) * | 2022-10-31 | 2024-05-10 | Nicoventures Trading Limited | Heater for an aerosol provision device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR102630397B1 (ko) | 2024-01-29 |
| US12484625B2 (en) | 2025-12-02 |
| EP4166020A4 (en) | 2024-10-30 |
| CN116157035A (zh) | 2023-05-23 |
| JP7517631B2 (ja) | 2024-07-17 |
| EP4166020A1 (en) | 2023-04-19 |
| JP2023534660A (ja) | 2023-08-10 |
| US20240008546A1 (en) | 2024-01-11 |
| KR20220143315A (ko) | 2022-10-25 |
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