WO2024136147A1 - Dispositif de génération d'aérosol - Google Patents

Dispositif de génération d'aérosol Download PDF

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Publication number
WO2024136147A1
WO2024136147A1 PCT/KR2023/018455 KR2023018455W WO2024136147A1 WO 2024136147 A1 WO2024136147 A1 WO 2024136147A1 KR 2023018455 W KR2023018455 W KR 2023018455W WO 2024136147 A1 WO2024136147 A1 WO 2024136147A1
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WO
WIPO (PCT)
Prior art keywords
aerosol generating
aerosol
generating device
sensor
generating article
Prior art date
Application number
PCT/KR2023/018455
Other languages
English (en)
Inventor
Jong Sub Lee
Sun Hwan JUNG
Byung Sung Cho
Original Assignee
Kt&G Corporation
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
Priority claimed from KR1020230035396A external-priority patent/KR20240097675A/ko
Application filed by Kt&G Corporation filed Critical Kt&G Corporation
Publication of WO2024136147A1 publication Critical patent/WO2024136147A1/fr

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  • the present disclosure relates to an aerosol generating device capable of consistently maintaining the directionality of aerosols moving towards an aerosol generating article.
  • Examples of aerosol generating devices include an aerosol generating device in which an aerosol generating article is used together with a cartridge containing a liquid aerosol generating material.
  • Such an aerosol generating device has a structure in which an aerosol is generated by heating a liquid aerosol generating material, and the generated aerosol passes through an aerosol generating article and is inhaled by a user.
  • At least part of generated aerosols may move to the aerosol generating article and then may be liquefied.
  • the liquefied aerosols may contain some moisture, and the aerosols (or the moisture) may be soaked into or present on the aerosol generating article.
  • a usage time of the aerosol generating article is set to prevent the reuse of the aerosol generating article.
  • a sensor for sensing an aerosol (or moisture) soaked into the aerosol generating article may be used.
  • a user may replace an aerosol generating article, of which the usage time exceeds, with a new aerosol generating article and thus may continue to smoke.
  • the location of the aerosol (or moisture) soaked into the aerosol generating article is not constant.
  • the location of an aerosol (or moisture), which is subject to the detection of a sensor is not fixed, which results in errors in a detection value of a sensor each time. Therefore, the reliability and accuracy of the detection value of the sensor degrades, and as a result, there is a possibility of reusing an aerosol generating article of which the usage time exceeds.
  • One or more embodiments provide an aerosol generating device capable of improving the directionality of an aerosol traveling to an aerosol generating article.
  • one or more embodiments provide an aerosol generating device capable of reliably and accurately determining the prevention of reuse of an aerosol generating article by allowing an aerosol (or moisture) to be soaked into the aerosol generating article at a specific location.
  • an aerosol generating device includes a cartridge including a storage configured to store an aerosol generating material, an accommodation portion configured to accommodate an aerosol generating article, a chamber connected to the accommodation portion, a heating portion arranged in the chamber and configured to heat the aerosol generating material, and a support assembly arranged on the accommodation portion and configured to support the aerosol generating article, and a device main body including a cartridge coupling portion to which the cartridge is detachably coupled and a sensor arranged between the cartridge coupling portion and the accommodation portion and configured to sense moisture in the aerosol generating article.
  • the support assembly includes a support member protruding from an inner surface of the accommodation portion to support the aerosol generating article accommodated in the accommodation portion, and a guide hole defined by the support member such that an aerosol generated in the chamber moves towards a portion of the aerosol generating article through the guide hole.
  • an aerosol generating device by maintaining the directionality of an aerosol moving towards an aerosol generating article, the reliability and accuracy of the operation of detecting an aerosol (or moisture) soaked into the aerosol generating article may be improved.
  • an aerosol generating device in an aerosol generating device according to one or more embodiments, the precision and ease of the operation of detecting an aerosol (or moisture) soaked into an aerosol generating article may be improved.
  • FIG. 1 is a perspective view of an aerosol generating device and an aerosol generating article inserted thereinto, according to an embodiment.
  • FIG. 2 is an exploded perspective view of the aerosol generating device of FIG. 1, illustrating that a cap is separated from a device main body.
  • FIG. 4 is an exploded perspective view of the cartridge of FIG. 3.
  • FIG. 5 is a perspective view of an aerosol generating device in which a PCB assembly is coupled to a cartridge coupling portion.
  • FIG. 6 is an exploded perspective view of the device main body of FIG. 5 in which the PCB assembly is separated from the cartridge coupling portion.
  • FIG. 7 is a perspective view of a cross-section of an aerosol generating device according to an embodiment, taken along a line A-A' of FIG. 1.
  • FIG. 8 is a plan cross-sectional view of an aerosol generating device according to an embodiment, taken along a line B-B' of FIG. 1.
  • FIG. 9 is an enlarged perspective view illustrating an enlarged region A of FIG. 7.
  • FIG. 10 is an enlarged perspective view illustrating an enlarged region B of FIG. 7.
  • FIG. 11 is a front cross-sectional view of an aerosol generating device and an aerosol generating article inserted thereinto, taken along the line A-A' of FIG. 1.
  • FIG. 12 is an enlarged front cross-sectional view of a chamber and an accommodation portion of an aerosol generating device and an aerosol generating article inserted thereinto, according to a comparative example.
  • FIG. 13 is a front cross-sectional view of an enlarged region C of FIG. 11, for explaining a support assembly, according to an embodiment.
  • FIG. 14 is a front cross-sectional view of the enlarged region C of FIG. 11, for explaining a support assembly including a guide surface, according to an embodiment.
  • FIG. 15 is a front cross-sectional view of the enlarged region C of FIG. 11, for explaining a support assembly including an intermediate support, according to an embodiment.
  • FIG. 16 is a plan view of an aerosol generating device according to an embodiment from which a cap is separated, illustrating an example of a rib.
  • FIG. 17 is a plan view of an aerosol generating device according to an embodiment from which a cap is separated, illustrating another example of a rib.
  • FIG. 18 is a front cross-sectional view of the enlarged region C of FIG. 11, for explaining a support assembly, according to another embodiment.
  • FIGS. 19 and 20 illustrate examples of an aerosol generating article according to an embodiment.
  • FIG. 21 is a block diagram of an aerosol generating device according to another embodiment.
  • an aerosol generating device includes a cartridge including a storage configured to store an aerosol generating material, an accommodation portion in which an aerosol generating article is accommodated, a chamber connected to the accommodation portion, a heating portion arranged on the chamber and configured to heat the aerosol generating material, and a support assembly arranged on the accommodation portion and configured to support the aerosol generating article, and a device main body including a cartridge coupling portion to which the cartridge is detachably coupled and a sensor arranged between the cartridge coupling portion and the accommodation portion and configured to sense moisture in the aerosol generating article.
  • the support assembly includes a support member protruding from an inner surface of the accommodation portion to support the aerosol generating article accommodated in the accommodation portion, and a guide hole defined by the support member such that an aerosol, which is generated in the chamber, moves towards a portion of the aerosol generating article through the guide hole.
  • the heating portion may be arranged apart from the support member in a direction crossing a direction in which the device main body extends.
  • the inner wall of the chamber may include a curved surface for guiding the aerosol, generated in the chamber, to move to the guide hole.
  • An inflow hole, through which external air is introduced, may be formed in the chamber, and the inflow hole may be positioned at a location corresponding to the heating portion along a direction perpendicular to a direction in which the device main body extends.
  • An outer wall of the accommodation portion may be arranged between the sensor and the storage such that the sensor is arranged at a location spatially separated from the storage.
  • the sensor may include a first sensor configured to sense moisture in a first area of the aerosol generating article accommodated in the accommodation portion, and a second sensor configured to sense moisture in a second area of the aerosol generating article.
  • the first sensor may be arranged to be closer to the support member than the second sensor.
  • the sensor may include a curved surface to correspond to the outer wall of the accommodation portion.
  • the aerosol generating device may further include a guide plate arranged between the cartridge and the device main body, inclined with respect to a direction in which the device main body extends, and configured to guide external air to flow into the chamber.
  • a size of the guide hole may range from 0.405 to 0.857 of a size of the aerosol generating article.
  • a size of the guide hole may be 3 mm to 6 mm.
  • the support member may be configured to support an edge portion of the aerosol generating article, and the guide hole may be located at a position corresponding to the central portion of the aerosol generating article.
  • the support member may include a curved surface that guides the aerosol generated in the chamber to move to the guide hole.
  • the support assembly may further include an intermediate support located in the guide hole and a rib connecting the intermediate support to the support member.
  • the rib may be provided in plural along a circumferential direction of the intermediate support, and the plurality of ribs may connect the intermediate support to the support member.
  • an aerosol generating device may be a device that generates aerosols by electrically heating a cigarette accommodated in an interior space thereof.
  • the aerosol generating device may include a heater.
  • the heater may be an electro-resistive heater.
  • the heater may include an electrically conductive track, and the heater may be heated when currents flow through the electrically conductive track.
  • the heater may include a tube-shaped heating element, a plate-shaped heating element, a needle-shaped heating element, or a rod-shaped heating element, and may heat the inside or outside of a cigarette according to the shape of a heating element.
  • a cigarette may include a tobacco rod and a filter rod.
  • the tobacco rod may be formed of sheets, strands, and tiny bits cut from a tobacco sheet.
  • the tobacco rod may be surrounded by a heat conductive material.
  • the heat conductive material may be, but is not limited to, a metal foil such as aluminum foil.
  • the filter rod may include a cellulose acetate filter.
  • the filter rod may include at least one segment.
  • the filter rod may include a first segment configured to cool aerosols, and a second segment configured to filter a certain component in aerosols.
  • the aerosol generating device may be a device that generates aerosols by using a cartridge containing an aerosol generating material.
  • the aerosol generating device may include a cartridge that contains an aerosol generating material, and a main body that supports the cartridge.
  • the cartridge may be detachably coupled to the main body, but is not limited thereto.
  • the cartridge may be integrally formed or assembled with the main body, and may also be fixed to the main body so as not to be detached from the main body by a user.
  • the cartridge may be mounted on the main body while accommodating an aerosol generating material therein.
  • An aerosol generating material may also be injected into the cartridge while the cartridge is coupled to the main body.
  • the cartridge may contain an aerosol generating material in any one of various states, such as a liquid state, a solid state, a gaseous state, a gel state, or the like.
  • the aerosol generating material may include a liquid composition.
  • the liquid composition may be a liquid including a tobacco-containing material having a volatile tobacco flavor component, or a liquid including a non-tobacco material.
  • the cartridge may be operated by an electrical signal or a wireless signal transmitted from the main body to perform a function of generating aerosols by converting the phase of an aerosol generating material inside the cartridge into a gaseous phase.
  • the aerosols may refer to a gas in which vaporized particles generated from an aerosol generating material are mixed with air.
  • the aerosol generating device may generate aerosols by heating a liquid composition, and generated aerosols may be delivered to a user through a cigarette. That is, the aerosols generated from the liquid composition may move along an airflow passage of the aerosol generating device, and the airflow passage may be configured to allow aerosols to be delivered to a user by passing through a cigarette.
  • the aerosol generating device may be a device that generates aerosols from an aerosol generating material by using an ultrasonic vibration method.
  • the ultrasonic vibration method may mean a method of generating aerosols by converting an aerosol generating material into aerosols with ultrasonic vibration generated by a vibrator.
  • the aerosol generating device may include a vibrator, and generate a short-period vibration through the vibrator to convert an aerosol generating material into aerosols.
  • the vibration generated by the vibrator may be ultrasonic vibration, and the frequency band of the ultrasonic vibration may be in a frequency band of about 100 kHz to about 3.5 MHz, but is not limited thereto.
  • the aerosol generating device may further include a wick that absorbs an aerosol generating material.
  • the wick may be arranged to surround at least one area of the vibrator, or may be arranged to contact at least one area of the vibrator.
  • a voltage for example, an alternating voltage
  • heat and/or ultrasonic vibrations may be generated from the vibrator, and the heat and/or ultrasonic vibrations generated from the vibrator may be transmitted to the aerosol generating material absorbed in the wick.
  • the aerosol generating material absorbed in the wick may be converted into a gaseous phase by heat and/or ultrasonic vibrations transmitted from the vibrator, and as a result, aerosols may be generated.
  • the viscosity of the aerosol generating material absorbed in the wick may be lowered by the heat generated by the vibrator, and as the aerosol generating material having a lowered viscosity is granulated by the ultrasonic vibrations generated from the vibrator, aerosols may be generated, but is not limited thereto.
  • the aerosol generating device is a device that generates aerosols by heating an aerosol generating article accommodated in the aerosol generating device in an induction heating method.
  • the aerosol generating device may include a susceptor and a coil.
  • the coil may apply a magnetic field to the susceptor.
  • a magnetic field may be formed inside the coil.
  • the susceptor may be a magnetic body that generates heat by an external magnetic field. As the susceptor is positioned inside the coil and a magnetic field is applied to the susceptor, the suspector generates heat to heat an aerosol generating article.
  • the susceptor may be positioned within the aerosol generating article.
  • the aerosol generating device may further include a cradle.
  • the aerosol generating device may configure a system together with a separate cradle.
  • the cradle may charge a battery of the aerosol generating device.
  • the heater may be heated when the cradle and the aerosol generating device are coupled to each other.
  • FIG. 1 is a perspective view of an aerosol generating device and an aerosol generating article inserted thereinto, according to an embodiment.
  • an aerosol generating device 1 may include a cartridge 100, a device main body 200, and a cap 300.
  • An aerosol generating material may be stored in the cartridge 100 and provided to a heating portion included in the cartridge 100. Accordingly, the aerosol generating material may be aerosolized by the heating portion in a chamber included in the cartridge 100.
  • the term 'aerosol' may refer to particles produced from the mixture of air and vapor generated from a heated aerosol generating material, and the term may be used in the same meaning below.
  • the heating portion and the chamber are described below in detail.
  • an aerosol generating article 2 may be accommodated in the cartridge 100.
  • the cartridge 100 may include an accommodation portion for accommodating the aerosol generating article 2, and an aerosol generated inside the cartridge 100 may be discharged to the outside of the aerosol generating device 1 after passing through the aerosol generating article 2 accommodated in the accommodation portion.
  • a user may contact the aerosol generating article 2 with his/her mouth and inhale the aerosol discharged to the outside of the aerosol generating device 1 through the aerosol generating article 2.
  • the aerosol generating article 2 according to an embodiment is described in detail below.
  • the device main body 200 may be located under the cartridge 100 and the cartridge 300 (e.g., a portion in a -z direction) and support the same. In the device main body 200, components for an operation of the aerosol generating device 1 may be arranged.
  • the cap 300 may be arranged to surround at least a portion of the cartridge 100 and at least a portion of the device main body 200.
  • the cap 300 may be coupled to the device main body 200 to surround the entire outer side of the cartridge 100.
  • the cap 300 may protect the cartridge 100 and the device main body 200 from external impact or penetration of external foreign materials.
  • FIG. 2 is an exploded perspective view of the aerosol generating device of FIG. 1, illustrating that a cap is separated from a device main body of the aerosol generating device.
  • the aerosol generating device 1 may include the cartridge 100, the device main body 200 of the aerosol generating device, and the cap 300. At least one of the components of the aerosol generating device 1 according to an embodiment may be the same as or similar to at least one of the components of the aerosol generating device 1 of FIG. 1, and repeated descriptions are omitted hereinafter.
  • the cartridge 100 may include a storage 110 storing an aerosol generating material and an accommodation portion 120 in which the aerosol generating article 2 is accommodated.
  • the storage 110 may be connected or fluid-connected to an inner space of the chamber of the cartridge 100, and as a result, the aerosol generating material stored in the storage 110 may enter the inner space of the chamber of the cartridge 100.
  • the aerosol generating material stored in the storage 110 may include a tobacco-containing material having a volatile tobacco flavor component, or a liquid composition including a non-tobacco material.
  • the liquid composition may include, for example, any one component of water, solvents, ethanol, plant extracts, spices, flavorings, and vitamin mixtures, or a mixture of these components.
  • the spices may include menthol, peppermint, spearmint oil, and various fruit-flavored ingredients, but are not limited thereto.
  • the flavorings may include ingredients capable of providing various flavors or tastes to a user.
  • Vitamin mixtures may be a mixture of at least one of vitamin A, vitamin B, vitamin C, and vitamin E, but are not limited thereto.
  • the liquid composition may include an aerosol forming substance, such as glycerin and propylene glycol.
  • the liquid composition may include any weight ratio of glycerin and propylene glycol solution to which nicotine salts are added.
  • the liquid composition may include two or more types of nicotine salts. Nicotine salts may be formed by adding suitable acids, including organic or inorganic acids, to nicotine. Nicotine may be a naturally generated nicotine or synthetic nicotine and may have any suitable weight concentration relative to the total solution weight of the liquid composition.
  • Acid for the formation of the nicotine salts may be appropriately selected in consideration of the rate of nicotine absorption in the blood, the operating temperature of the aerosol generating device 1, the flavor or savor, the solubility, or the like.
  • the acid for the formation of nicotine salts may be a single acid selected from the group consisting of benzoic acid, lactic acid, salicylic acid, lauric acid, sorbic acid, levulinic acid, pyruvic acid, formic acid, acetic acid, propionic acid, butyric acid, valeric acid, caproic acid, caprylic acid, capric acid, citric acid, myristic acid, palmitic acid, stearic acid, oleic acid, linoleic acid, linolenic acid, phenylacetic acid, tartaric acid, succinic acid, fumaric acid, gluconic acid, saccharic acid, malonic acid or malic acid, or a mixture of two or more acids selected from the group, but is not limited there
  • the accommodation portion 120 may accommodate the aerosol generating article 2 and be arranged on a side of the storage 110 (e.g., in a -x direction).
  • the inner space of the accommodation portion 120 for accommodating the aerosol generating article 2 may be spatially separated from the storage 110, and as a result, the aerosol generating material stored in the storage 110 may not be introduced to the inner space of the accommodation portion 120.
  • the device main body 200 may include a cartridge coupling portion 210.
  • the cartridge 100 may be detachably coupled to the cartridge coupling portion 210. As the cartridge 100 is coupled to the cartridge coupling portion 210, the cartridge 100 may be coupled to the device main body 200. Also, as the cartridge 100 is separated from the cartridge coupling portion 210, the cartridge 100 may be separated from the device main body 200.
  • the cartridge coupling portion 210 may be arranged on an upper portion of the device main body 200 (e.g., a portion in a +z direction).
  • the cartridge coupling portion 210 may include a first portion 211 extending in a direction (e.g., a z-axis direction) and a second portion 212 extending in a direction (e.g., an x-axis direction) crossing the above direction.
  • the first portion 211 may be integrally formed with the second portion 212.
  • the first portion 211 of the cartridge coupling portion 210 may be coupled to a side portion (e.g., a portion facing the -x direction) of the cartridge 100, and the second portion 212 of the cartridge coupling portion 210 may be coupled to a lower portion (e.g., a portion facing the -z direction) of the cartridge 100.
  • the cap 300 may be detachably coupled to the device main body 200.
  • the cap 300 may be coupled to the device main body 200 on the upper portions of the cartridge 100 and the device main body 200 (e.g., the portions in the +z direction).
  • the cap 300 when the cap 300 is coupled to the device main body 200, the cap 300 may be arranged to surround the entire side portion of the cartridge 100 and the entire side portion of the cartridge coupling portion 210.
  • the cap 300 may include a cap main body 310 surrounding outer sides of the cartridge 100 and the cartridge coupling portion 210, an upper cap 320 coupled to an upper portion of the cap main body 310 (e.g., a portion facing the +z direction) and surrounding upper portions of the cartridge 100 and the cartridge coupling portion 210 (e.g., a portion facing the +z direction), and an accommodation portion cap 330 coupled to the upper cap 320 to cover the accommodation portion 120.
  • FIG. 3 is an exploded perspective view of the aerosol generating device of FIG. 2, illustrating that the cartridge is separated from the device main body.
  • an aerosol generating device 1 may include the cartridge 100 and the device main body 200 of the aerosol generating device. At least one of the components of the aerosol generating device 1 according to an embodiment may be the same as or similar to at least one of the components of the aerosol generating device 1 of FIG. 2, and repeated descriptions are omitted hereinafter.
  • the cartridge 100 may include the storage 110, the accommodation portion 120, and a chamber 130.
  • the storage 110 may store the aerosol generating material and be located on an upper portion of the chamber 130 (e.g., a portion facing the +z direction).
  • the inner space of the storage 110 may communicate with the inner space of the chamber 130.
  • the user may continue to smoke by replacing the existing cartridge 100 with a new cartridge 100.
  • the user may replace the existing cartridge 100 with a new cartridge 100 to enable sufficient generation of aerosols or to prevent the aerosol generating material from leaking.
  • the aerosol generating device 1 may enable the replacement of the cartridge 100, because the cartridge 100 is detachably coupled to the cartridge coupling portion 210. That is, the aerosol generating device 1 according to an embodiment may have a structure in which the storage 110 storing the aerosol generating material and the accommodation portion 120 for accommodating the aerosol generating article 2 are replaced together when the cartridge is replaced.
  • the accommodation portion 120 may include an outer wall 120a facing the first portion of the cartridge coupling portion 210, and the inner space of the accommodation portion 120 may be separated from the space between the cartridge coupling portion 210 and the accommodation portion 120 by the outer wall 120a.
  • the chamber 130 may be arranged on the lower portion of the storage 110 (e.g., a portion in the -z direction) and the lower portion of the accommodation portion 120 (e.g., a portion in the -z direction) and may communicate with the storage 110 and the accommodation portion 120. Accordingly, the aerosol generating material stored in the storage 110 may be introduced to the inner space of the chamber 130, and the aerosol generated in the inner space of the chamber 130 may move to the accommodation portion 120.
  • a coupling groove 100a and a coupling surface 100b for the coupling of the cartridge 100 to the cartridge coupling portion 210 may be formed.
  • the coupling surface 100b may be inclined in a direction in which the aerosol generating device 1 extends (e.g., in the z-axis direction).
  • the cartridge coupling portion 210 may include a seating portion 213 on which the cartridge 100 is seated, and a coupling protrusion 214 protruding from an inner surface of the cartridge coupling portion 210.
  • the cartridge 100 may be coupled to the cartridge coupling portion 210.
  • the cartridge 100 may be separated from the cartridge coupling portion 210.
  • the cartridge 100 may be detachably coupled to the device main body 200 in the above-described manner, but the method of coupling the cartridge 100 to the device main body 200 is not limited thereto.
  • components for the operation of the aerosol generating device 1 may be arranged in the device main body 200.
  • a battery (not shown) and a processor (not shown) may be arranged in the device main body 200.
  • the battery and the processor are only examples of the components arranged in the device main body 200, and other components (e.g., a user interface, a sensor, etc.) than the aforementioned components may be further arranged in the device main body 200.
  • the battery may supply power used to operate the aerosol generating device 1.
  • the battery may be electrically connected to the heating portion of the cartridge 100 and supply power to make the heating portion be heated.
  • the battery may supply power necessary to operate other components (e.g., the processor, etc.) of the aerosol generating device 1.
  • the processor may control general operations of the aerosol generating device 1.
  • a processor can be implemented as an array of a plurality of logic gates or can be implemented as a combination of a general-purpose microprocessor and a memory in which a program executable in the microprocessor is stored.
  • the processor may control the power supplied from the battery to the heating portion of the aerosol generating device 1.
  • the processor may control the amount of power, which is supplied from the battery to the heating portion, and a duration of power supply to heat the heating portion to a specific temperature or maintain the designated temperature.
  • the device main body 200 may further include a terminal 220 and a guide plate 230.
  • the terminal 220 may electrically connect the cartridge 100 to the device main body 200.
  • the terminal 220 may electrically connect the heating portion of the cartridge 100 to the battery of the device main body 200.
  • an end of the terminal 220 may be electrically connected to the battery, and the other end of the terminal 220 may be electrically connected to the heating portion of the cartridge 100.
  • the terminal 220 When the cartridge 100 is seated on the seating portion 213 and coupled to the cartridge coupling portion 210, the terminal 220 may be electrically connected to the cartridge 100.
  • At least a portion of the terminal 220 may be located on the seating portion 213, and a hole for exposing the terminal 220 to the upper portion of the cartridge coupling portion 210 may be formed in the cartridge coupling portion 210.
  • the guide plate 230 may be arranged between the cartridge 100 and the cartridge coupling portion 210.
  • the guide plate 230 may induce the air flowing into the aerosol generating device 1 to move towards the inside of the chamber 130.
  • the guide plate 230 may be inclined with respect to the direction (e.g., the z-axis direction) in which the aerosol generating device 1 extends.
  • the cartridge 100 may include the storage 110, the accommodation portion 120, the chamber 130, the heating portion 140, and a sealing portion 150.
  • the components of the cartridge 100 are not limited thereto, and at least one of the components may be omitted according to an embodiment, or other components may be added.
  • At least one of the components of the cartridge 100 may be the same as or similar to at least one of the components of the cartridge 100 of FIGS. 1 to 3, and repeated descriptions are omitted hereinafter.
  • the chamber 130 may be arranged on the lower portion of the storage 110 (e.g., a portion in the -z direction) and the lower portion of the accommodation portion 120 (e.g., a portion in the -z direction) and may communicate with the inner space of the storage 110 and the inner space of the accommodation portion 120. Accordingly, the aerosol generating material stored in the storage 110 may enter the inner space of the chamber 130, and the aerosol generated in the inner space of chamber 130 (or an aerosol generation space 130a) may move to the accommodation portion 120 and be discharged to the outside of the aerosol generating device 1 through the aerosol generating article 2 accommodated in the accommodation portion 120.
  • the chamber 130 may include a first chamber 131 and a second chamber 132.
  • the first chamber 131 may include the aerosol generation space 130a where the aerosol is generated by the heating portion 140, and a heating portion accommodation portion 130b for accommodating the heating portion 140.
  • the first chamber 131 may communicate with the inner space of the storage 110 and the inner space of the accommodation portion 120. That is, the aerosol generating material flowing into the first chamber 131 may be heated by the heating portion 140 and converted into the aerosol inside the aerosol generation space 130a, and the generated aerosol may move from the aerosol generation space 130a to the accommodation portion 120.
  • the first chamber 131 may have an open side (e.g., a portion in the -x direction).
  • the second chamber 132 may be arranged to surround the first chamber 131 on a lower portion of the first chamber 131 (e.g., a portion in the -z direction). In an embodiment, the second chamber 132 may form the aerosol generation space 130a together with the first chamber 131. When the second chamber 132 is arranged to surround the first chamber 131, the second chamber 132 may seal one side of the first chamber 131 (e.g., the side facing the -x direction) and form the aerosol generation space 130a.
  • the heating portion 140 may be arranged in the heating portion accommodation portion 130b and perform a function of generating an aerosol by changing the phase of the aerosol generating material to a gaseous phase.
  • the heating portion accommodation portion 130b may include a groove in which the heating portion 140 is accommodated.
  • the heating portion 140 may heat the aerosol generating material provided from the storage 110 to generate an aerosol.
  • the heating portion 140 may heat the aerosol generating material provided from the storage 110 to generate vapor from the aerosol generating material, and the generated vapor may be mixed with the external air flowing into the chamber 130. As a result, the aerosol may be generated.
  • the heating portion 140 may include a heater (or a heating coil) 141 and a wick 142.
  • the heater 141 may heat an aerosol generating material absorbed into the wick 142.
  • the heater 141 may be wound around the wick 142.
  • the heater 141 may heat the aerosol generating material absorbed into the wick 142 by using the power supplied from the battery of the device main body 200.
  • the heater 141 may include a metal material that generates heat by an electrical resistance.
  • the heater 141 may include stainless steel not to be corroded by the aerosol generating material absorbed into the wick 142, but the metal material of the heater 141 is not limited thereto.
  • the heater 141 may include a metal material, such as copper, nickel, or tungsten.
  • the wick 142 may be arranged on the lower portion of the storage 110 (e.g., the portion in the -z direction) inside the first chamber 131 and absorb the aerosol generating material entering the inner space of the chamber 130 from the storage 110.
  • the wick 142 may include a cotton material.
  • the material of the wick 142 is not limited to the embodiment above, and according to an embodiment, the wick 142 may include another material (e.g., glass or ceramic).
  • the wick 142 may be accommodated in the heating portion accommodation portion 130b of the first chamber 131. As the wick 142 is accommodated in the heating portion accommodation portion 130b, the heating portion 140 may be fixed within the first chamber 131.
  • the sealing portion 150 may prevent the aerosol generating material stored in the storage 110 from leaking outside the cartridge 100 or into the accommodation portion 120.
  • the sealing portion 150 may be arranged between the storage 110 and the chamber 130.
  • the sealing portion 150 may be coupled to the storage 110 in an interference fit manner, but the coupling method is not limited thereto.
  • the sealing portion 150 may include an elastic material such as rubber.
  • An aerosol generating material inlet 150a may be formed in the sealing portion 150.
  • the aerosol generating material inlet 150a may communicate with the inside of the chamber 130, and the aerosol generating material stored in the storage 110 may enter the inner space of the chamber 130 through the aerosol generating material inlet 150a. Accordingly, the aerosol generating material entering the inner space of the chamber 130 may be absorbed into the wick 142 and heated by the heater 141.
  • the sealing portion 150 may include a first sealing member 151 and a second sealing member 152.
  • the first sealing member 151 may be arranged on an edge portion of the sealing portion 150 to prevent the aerosol generating material stored in the storage 110 from leaking outside the cartridge 100.
  • the first sealing member 151 may be formed integrally with a main body of the sealing portion 150.
  • the second sealing member 152 may be arranged between the storage 110 and the accommodation portion 120 to prevent the aerosol generating material stored in the storage 110 from leaking into the accommodation portion 120.
  • the second sealing member 152 may be formed integrally with the main body of the sealing portion 150.
  • FIG. 5 is a perspective view of an aerosol generating device in which a PCB assembly is coupled to a cartridge coupling portion.
  • a PCB cover described below is omitted.
  • the aerosol generating device 1 may include the device main body 200 of the aerosol generating device and a PCB assembly 400. At least one of the components of the aerosol generating device 1 according to an embodiment may be the same as or similar to at least one of the components of the aerosol generating device 1 of FIGS. 1 to 3, and repeated descriptions are omitted hereinafter.
  • the PCB assembly 400 may include components for checking whether the aerosol generating article 2 is accommodated in the accommodation portion 120 of the cartridge 100 and/or components for measuring moisture in the aerosol generating article 2 accommodated in the accommodation portion 120.
  • the PCB assembly 400 may be arranged on a first portion of the cartridge coupling portion 210.
  • the PCB assembly 400 may be arranged on a side of the accommodation portion 120 (e.g., a side facing the -x direction).
  • the PCB assembly 400 may include a PCB substrate 410, a sensor 420, and a light source 430.
  • the components of the PCB assembly 400 are not limited thereto, and at least one of the components may be omitted according to an embodiment, or other components may be added.
  • the PCB substrate 410 may function as a main body of the PCB assembly 400 and support the sensor 420 and the light source 430.
  • the PCB substrate 410 may connect the sensor 420 and the light source 430 to a component of the aerosol generating device 1 (e.g., a battery).
  • the PCB substrate 410 may extend in the direction (e.g., the z-axis direction) in which the aerosol generating device 1 extends.
  • the PCB substrate 410 may be a flexible printed circuit board (FPCB).
  • the sensor 420 may be arranged on the PCB substrate 410 and located on a side of the accommodation portion 120 (e.g., a side facing the -x direction). The sensor 420 may operate by receiving power from the battery of the device main body 200.
  • the sensor 420 may sense a change in electromagnetic characteristics of the cartridge 100 and thus sense information about the cartridge 100.
  • the sensor 420 may sense a change in the electromagnetic characteristics, the change being caused by an object that is adjacent to the cartridge 100.
  • the sensor 420 may be a capacitance sensor or a magnetic proximity sensor, but the type of the sensor 420 is not limited thereto.
  • the sensor 420 may include a first sensor 421, a second sensor 422, and a third sensor 423.
  • the first sensor 421 may sense the moisture in the aerosol generating article 2 accommodated in the accommodation portion 120. At least a portion of the aerosol generated in the aerosol generation space 130a of the chamber 130 may move to the accommodation portion 120 and then be liquefied, and the liquefied aerosol may include some moisture and may be soaked into or present on the aerosol generating article 2 accommodated in the accommodation portion 120. In an embodiment, the first sensor 421 may sense the amount of aerosol (or moisture) soaked into or present on the aerosol generating article 2. Information regarding the moisture sensed by the first sensor 421 may be provided to a processor or a memory of the device main body 200.
  • the first sensor 421 may be arranged at a lower position (e.g., the -z direction) with respect to the second sensor 422. In this case, the first sensor 421 may sense the moisture in the first area of the aerosol generating article 2 accommodated in the accommodation portion 120.
  • the first area of the aerosol generating article 2 may be at least a portion of a tobacco rod described below.
  • the electromagnetic characteristics may change, and the first sensor 421 may sense such a change, thus sensing the information regarding the moisture in the aerosol generating article 2.
  • the second sensor 422 may be positioned at a location spaced apart from the first sensor 421 and sense the moisture in the aerosol generating article 2 accommodated in the accommodation portion 120. Information regarding the moisture sensed by the second sensor 422 may be provided to the processor or the memory of the device main body 200.
  • the second sensor 422 may sense the moisture in the second area of the aerosol generating article 2 accommodated in the accommodation portion 120.
  • the second area of the aerosol generating article 2 may be at least a portion of the tobacco rod described below.
  • the electromagnetic characteristics may change, and the second sensor 422 may sense such a change and thus detect the information regarding the moisture in the aerosol generating article 2.
  • the third sensor 423 may sense a change of the cartridge 100.
  • the electromagnetic characteristics may change, and the third sensor 423 may sense such a change in the electromagnetic characteristics.
  • the size of the magnetic field may change.
  • the third sensor 423 may sense the change in the size of the magnetic field and provide a result of the sensing to the processor or the memory. In this case, when the third sensor 423 senses the accommodation of the aerosol generating article 2 and provides the result of the sensing to the processor, the processor may generate a signal for operating the components (e.g., the battery) of the aerosol generating device 1.
  • the light source 430 may be arranged on the PCB substrate 410 at the location separated from the sensor 420 and provide light to the cartridge 100.
  • the light source 430 may provide the light to the storage 110.
  • the light source 430 may operate by receiving power from the battery of the device main body 200.
  • FIG. 6 is an exploded perspective view of the device main body of the aerosol generating device of FIG. 5 in which the PCB assembly is separated from the cartridge coupling portion. Unlike the illustration of FIG. 5, FIG. 6 illustrates a PCB cover 450.
  • the seating portion 213 of the device main body 200 may include a first seating portion 213a and a second seating portion 213b.
  • the first seating portion 213a may be formed on the first portion 211 of the cartridge coupling portion 210.
  • On the first seating portion 213a a portion the cartridge 100 (e.g., the portion in the -x direction) and the PCB assembly 400 may be arranged.
  • the second seating portion 213b may be formed on the second portion 212 of the cartridge coupling portion 210.
  • a lower portion of the cartridge 100 (e.g., the portion in the -z direction) may be arranged.
  • the PCB assembly 400 may include the PCB substrate 410, the sensor 420, the light source 430, a connecting portion 440, the PCB cover 450, and a connection plate 460.
  • the components of the PCB assembly 400 are not limited thereto, and at least one (e.g., the PCB cover) of the components may be omitted according to an embodiment, or other components may be added.
  • the sensor 420 may be arranged on a side of the PCB substrate 410 (e.g., in the +x direction) and electrically connected to the PCB substrate 410.
  • the sensor 420 may include a first sensor 421, a second sensor 422, and a third sensor 423 which are spaced apart from each other on the PCB substrate 410.
  • At least any one of the first sensor 421, the second sensor 422, and the third sensor 423 may include stainless steel or brass and may be plated with nickel (Ni) or gold (Au).
  • the light source 430 may be arranged on a side of the PCB substrate 410 (e.g., in the +x direction) at the location separated from the sensor 420 and may be electrically connected to the PCB substrate 410.
  • a plurality of light sources 430 may be arranged in the direction (e.g., the z-axis direction) in which the aerosol generating device 1 extends, and with the sensor 420 positioned between them.
  • the connecting portion 440 may electrically connect the first sensor 421 and the second sensor 422 to the PCB substrate 410.
  • the connecting portion 440 may be a C-clip.
  • the first sensor 421 and the second sensor 422 may be electrically connected to the PCB substrate 410 through the connecting portion 440.
  • the connecting portion 440 may include a first connecting member 441 for connecting the first sensor 421 to the PCB substrate 410 and a second connecting member 442 for connecting the second sensor 422 to the PCB substrate 410.
  • the PCB cover 450 may be arranged on a side of the PCB substrate 410 (e.g., a side facing the +x direction) and cover at least a portion of the PCB substrate 410.
  • the PCB cover 450 may extend in the direction (e.g., the z-axis direction) in which the PCB substrate 410 extends.
  • a sensor exposing portion 451 may be formed on the PCB cover 450 as a hole penetrating the PCB cover 450.
  • the aerosol generating device 1 may have a structure in which the moisture in the aerosol generating article 2 accommodated in the accommodation portion 120 is easily detected.
  • the number of sensor exposing portions 451 in the PCB cover 450 may be the same as the number of moisture sensors.
  • the PCB cover 450 may include a transparent material that passes light generated by the light source 430.
  • connection plate 460 may be arranged between the PCB substrate 410 and the cartridge coupling portion 210.
  • the connection plate 460 may be arranged on the other side (e.g., a side facing the -x direction) of the PCB substrate 410 and may cover at least a portion of the PCB substrate 410.
  • the connection plate 460 may extend in the direction (e.g., the z-axis direction) in which the PCB substrate 410 extends.
  • FIG. 7 is a perspective view of a cross-section of an aerosol generating device according to an embodiment, taken along the line A-A' of FIG. 1.
  • the aerosol generating device 1 may include the cartridge 100, the device main body 200 of the aerosol generating device, the cap 300, the PCB assembly 400, the support assembly 500, and an airflow passage 600. At least one of the components of the aerosol generating device 1 according to an embodiment may be the same as or similar to at least one of the components of the aerosol generating device 1 of FIGS. 1 to 6, and repeated descriptions are omitted hereinafter.
  • the cartridge 100 may include the storage 110 in which the aerosol generating material is stored, the accommodation portion 120 in which the aerosol generating article 2 is accommodated, the chamber 130 that communicates with the storage 110 and the accommodation portion 120, the heating portion 140 heating the aerosol generating material, and the sealing portion 150 arranged on the lower portion (e.g., the portion in the -z direction) of the storage 110.
  • an air inlet 300a through which external air flows into the aerosol generating device 1 may be formed in the cap 300.
  • the air inlet 300a may be formed between the cap main body 310 and the upper cap 320, but this is merely an example.
  • the air inlet 300a may be formed in the cap main body 310 or the upper cap 320 as long as the external air flows into the aerosol generating device 1 through the air inlet 300a.
  • the PCB assembly 400 may include the sensor 420 arranged on the outer wall 120a of the accommodation portion 120.
  • the sensor 420 may include the first sensor 421, the second sensor 422, and the third sensor 423 which are spaced apart from each other on the outer wall 120a of the accommodation portion 120 in the direction (e.g., the z-axis direction) in which the aerosol generating device 1 extends. Because the sensor 420 is described above, the detailed description regarding the same is omitted.
  • the cartridge 100 may include the support assembly 500.
  • the support assembly 500 may support the aerosol generating article 2 accommodated in the accommodation portion 120 and guide the aerosol, which is generated inside the chamber 130, to move towards the accommodation portion 120.
  • the support assembly 500 may be arranged between the accommodation portion 120 and the chamber 130.
  • the airflow passage 600 may form a flow path through which the external air introduced through the air inlet 300a moves inside the aerosol generating device 1.
  • the airflow passage 600 may communicate with the outside through the air inlet 300a and may communicate with the inner space of the chamber 130 through an inflow hole 130d (see FIG. 9) of the chamber 130. That is, the air flowing into the aerosol generating device 1 through the air inlet 300a may reach the aerosol generation space 130a that is the inner space of the chamber 130 along the airflow passage 600.
  • a portion of the airflow passage 600 may be formed in a space between the cap main body 310 and the cartridge 100, extending in one direction (e.g., the z-axis direction) on the outer side of the cartridge 100, and another portion of the airflow passage 600 may be formed in a space between the cartridge 100 and the device main body 200, extending in one direction (e.g., the x-axis direction) on the lower portion of the cartridge 100.
  • FIG. 8 is a plan cross-sectional view of an aerosol generating device according to an embodiment, taken along a line B-B' of FIG. 1.
  • the aerosol generating device 1 may include the cartridge 100, the sensor 420, and the support assembly 500. At least one of the components of the aerosol generating device 1 according to an embodiment may be the same as or similar to at least one of the components of the aerosol generating device 1 of FIG. 7, and repeated descriptions are omitted hereinafter.
  • the sensor 420 may be at the location spatially separated from the storage 110. That is, the sensor 420 may be arranged on the outer wall 120a of the accommodation portion 120 and separated from the inner space of the accommodation portion 120 by the outer wall 120a of the accommodation portion 120, such that the outer wall 120a of the accommodation portion 120 is arranged between the sensor 420 and the storage 110. Accordingly, the aerosol generating material stored in the storage 110 is prevented from leaking into the sensor 420, and thus the damage to the sensor 420 by the aerosol generating material may be prevented.
  • FIG. 8 illustrates that only the first sensor 421 is spatially separated from the storage 110, but the second sensor 422 and the third sensor 423 may also be arranged to be spatially separated from the storage 110.
  • At least a portion of the first sensor 421 may include a curved surface 421a to correspond to the outer wall 120a of the accommodation portion 120.
  • the curved surface 421a of the first sensor 421 may have a shape corresponding to an exterior of the aerosol generating article 2 accommodated in the accommodation portion 120.
  • the aerosol generating device 1 may have a structure in which the first sensor 421 is arranged closer to the aerosol generating article 2, compared to the comparative example in which the first sensor 421 has a planar structure without a curved surface 421a and extends only in a direction (e.g., the y-axis direction). It is because, in the comparative example, the first sensor 421 has a structure that becomes farther from the aerosol generating article 2 as the first sensor 421 extends in a direction (e.g., +y direction).
  • the first sensor 421 may be arranged at an equal distance from the aerosol generating article 2 along the circumferential direction of the accommodation portion 120. Therefore, because the first sensor 420 is close to the aerosol generating article 2, the moisture soaked into the aerosol generating article 2 may be accurately and precisely detected.
  • FIG. 8 illustrates that only the first sensor 421 includes the curved surface 421a, but the second sensor 422 may also include a curved surface.
  • the support assembly 500 may include a support member 510 and a guide hole 520.
  • the support member 510 may protrude from an inner surface 120b of the accommodation portion 120 towards the guide hole 520 to support the aerosol generating article 2 accommodated in the accommodation portion 120. As the support member 510 protrudes from the inner surface 120b of the accommodation portion 120, the support member 510 may support edge portions of the aerosol generating article 2 accommodated in the accommodation portion 120.
  • the support member 510 may be located on the lower portion of the accommodation portion 120 (e.g., the portion in the -z direction). In an embodiment, the support member 510 may be formed in a circular ring shape overall and integrally formed with the accommodation portion 120.
  • the guide hole 520 may guide the aerosol, which is generated by the chamber 130, to move towards the accommodation portion 120.
  • the guide hole 520 may guide the aerosol to move towards a portion of the aerosol generating article 2.
  • a portion of the aerosol generating article 2 may be the central portion of the aerosol generating article 2.
  • the guide hole 520 may be defined by the support member 510.
  • the guide hole 520 may communicate with the aerosol generation space 130a of the chamber 130 and the inner space of the accommodation portion 120.
  • FIG. 9 illustrating an enlarged interior of the cartridge 100.
  • FIG. 9 is an enlarged perspective view illustrating an enlarged region A of FIG. 7.
  • the aerosol generating device 1 may include the cartridge 100, the device main body 200 of the aerosol generating device, the cap 300, and the airflow passage 600. At least one of the components of the aerosol generating device 1 according to an embodiment may be the same as or similar to at least one of the components of the aerosol generating device 1 of FIG. 7, and repeated descriptions are omitted hereinafter.
  • the external air introduced through the air inlet 300a of the cap 300 may move through the first area of the airflow passage 600 formed in the space between the storage 110 and the cap main body 310.
  • the air may move through the second area of the airflow passage 600 formed in the space between the chamber 130 and the device main body 200.
  • the second area of the airflow passage 600 may be a space between the second chamber 132 and the guide plate 230.
  • the guide plate 230 may be inclined with respect to the direction (e.g., the z-axis direction) in which the s extends. Accordingly, the flow of the air moving in the second area may be improved.
  • a guide groove 230a may be formed in the guide plate 230.
  • the guide groove 230a may have a certain depth from an upper surface of the guide plate 230.
  • the guide groove 230a may facilitate the inhalation of the user as a movement space of the air moving in the second area of the airflow passage 600 is secured. That is, the guide groove 230a may lower a suction resistance that is a force required to suck the aerosol generating article 2.
  • the air may move in a third area of the airflow passage 600 through the inflow hole 130d formed in the second chamber 132, the third area being a space between the first chamber 131 and the second chamber 132.
  • the air may flow into the first chamber 131 through the inflow hole 130d formed in the first chamber 131.
  • the aerosol generating material absorbed into the wick 142 through the aerosol generating material inlet of the sealing portion 150 may be heated by the heater 141 and vaporized, and the air flowing into the first chamber 131 may be mixed with the generated vapor and aerosolized in the aerosol generation space 130a.
  • the inflow hole 130d formed in the first chamber 131 may be positioned at the location corresponding to the heating portion 140. That is, the inflow hole 130d formed in the first chamber 131 may be positioned at a location overlapping at least a portion of the heating portion 140 along the direction perpendicular to the extension direction (e.g., the z-axis direction) of the device main body 200.
  • the possibility of the occurrence of the air vortex in the chamber 130 may be reduced.
  • the inflow hole 130d is arranged at a location separated from the heating portion 140 with respect to the direction (e.g., in the z-axis direction) in which the device main body 200 extends, the air introduced through the inflow hole 130d has to travel a longer distance to reach the heating portion 140.
  • the inflow hole 130d is located lower than the heating portion 140 (e.g., in the -z direction), the air needs to move upwards to reach the heating portion 140, leading to an increased possibility of air vortex occurrence.
  • the aerosol generating device 1 may have a structure in which an aerosol is directly generated by using air introduced through the inflow hole 130d because the inflow hole 130d formed in the first chamber 131 is positioned at a location corresponding to the heating portion 140. Accordingly, the reduction in the possibility of air vortex occurrence in the first chamber 131 leads to improved airflow, and thus, the amount of aerosol generated in the aerosol generation space 130a may increase.
  • the chamber 130 may further include a first projection 133 and a second projection 134.
  • the first projection 133 may be formed on the second chamber 132.
  • the first projection 133 may be projected upwards (e.g., in the +z direction) from an upper portion of the second chamber 132 and inserted into an insertion groove 110a of the storage 110.
  • the first projection 133 and the insertion groove 110a of the storage 110 may be coupled to each other in an ultrasonic welding manner or by an adhesive.
  • the second projection 134 may be formed on the second chamber 132 at a location separated from the first projection 133.
  • the second projection 134 may include a first portion projected upwards (e.g., in the +z direction) from the upper portion of the second chamber 132, and a second portion projected from the first portion in a lateral direction (e.g., in the -x direction).
  • the second projection 134 may be inserted into the insertion groove 131a of the first chamber 131.
  • the second projection 134 and the insertion groove 131a of the first chamber 131 may be coupled to each other in an ultrasonic welding manner or by an adhesive.
  • FIG. 10 illustrating an enlarged interior of the cartridge 100.
  • FIG. 10 is an enlarged perspective view illustrating an enlarged region B of FIG. 7.
  • the aerosol generating device 1 may include the cartridge 100, the sensor 420, and the support assembly 500. At least one of the components of the aerosol generating device 1 according to an embodiment may be the same as or similar to at least one of the components of the aerosol generating device 1 of FIG. 7, and repeated descriptions are omitted hereinafter.
  • the aerosol generating material stored in the storage 110 may be absorbed into the wick 142 through the aerosol generating material inlet of the sealing portion 150, and the aerosol generating material absorbed into the wick 142 may be heated by the heater 141 and vaporized. Then, the generated vapor may be mixed with the air flowing into the first chamber 131 such that the aerosol may be generated in the aerosol generation space 130a.
  • the generated aerosol may move in the inner space of the chamber 130 and move to the accommodation portion 120 through the guide hole 520 arranged in an inner side of the support member 510.
  • the inner wall of the chamber 130 may include a curved surface 130c.
  • the inner wall of the chamber 130 may be an inner wall of the second chamber 132 that faces the aerosol generation space 130a.
  • an aerosol flowing on the bottom surface 131b of the first chamber 131 may not easily move upwards (e.g., in the +z direction) towards the guide hole 520. That is, in the comparative example, the fluidity of the aerosol generated in the aerosol generation space 130a is reduced.
  • the aerosol flowing on the bottom surface 131b of the first chamber 131 may easily move upwards (e.g., in the +z direction) towards the guide hole 520. Accordingly, the fluidity of the aerosol generated in the aerosol generation space 130a may be improved.
  • the aerosol moving towards the guide hole 520 in the aerosol generation space 130a may move to the accommodation portion 120 by passing through the guide hole 520.
  • the guide hole 520 is defined by the support member 510 protruding from the inner surface 120b of the accommodation portion 120, the aerosol passing through the guide hole 520 may move towards the central portion of the accommodation portion 120.
  • the first sensor 421 may sense the aerosol (or the moisture) soaked into or present on the first area of the aerosol generating article 2 accommodated in the accommodation portion 120.
  • the chamber 130 may further include a third projection 135.
  • the third projection 135 may be formed on the second chamber 132 at a location separated from the first projection 133 and the second projection 134.
  • the third projection 135 may be projected upwards (e.g., in the +z direction) from the upper portion of the second chamber 132.
  • the third projection 135 may be inserted into the insertion groove 120c of the accommodation portion 120.
  • the third projection 135 and the insertion groove 120c of the accommodation portion 120 may be coupled to each other in an ultrasonic welding manner or by an adhesive.
  • FIG. 11 is a front cross-sectional view of an aerosol generating device and an aerosol generating article inserted thereinto, taken along the line A-A' of FIG. 1.
  • the aerosol generating device 1 may include the cartridge 100, the device main body 200 of the aerosol generating device, the cap 300, the PCB assembly 400, the support assembly 500, and the airflow passage 600. At least one of the components of the aerosol generating device 1 according to an embodiment may be the same as or similar to at least one of the components of the aerosol generating device 1 of FIGS. 1 to 10, and repeated descriptions are omitted hereinafter.
  • the inner space of the accommodation portion 120 may decrease in size downwards (e.g., in the -z direction). Accordingly, in the aerosol generating device 1 according to an embodiment, the location of the aerosol generating article 2 in the accommodation portion 120 may be fixed by using a tapered structure of the accommodation portion 120 in addition to the support member 510. Therefore, while the aerosol generating device 1 is used, the location of the aerosol generating article 2 is fixed despite external impact, and thus, the user may stably inhale the aerosol generating article 2.
  • the accommodation portion cap 330 may be rotatably coupled to the cap main body 310 and the upper cap 320, and while the aerosol generating article 2 is accommodated in the accommodation portion 120, the accommodation portion cap 330 may open the upper portion of the accommodation portion 120.
  • the external air introduced through the air inlet 300a may flow into the chamber 130 through the airflow passage 600. That is, the air may flow into the chamber 130 by sequentially passing through the space between the outer wall 110b of the storage 110 and the cap main body 310, the space between the cartridge 100 and the device main body 200, the space between the guide plate 230 and the chamber 130, and the inflow hole 130d in the chamber 130.
  • the aerosol generating material stored in the storage 110 may flow into the chamber 130 through the aerosol generating material inlet of the sealing portion 150, and the heating portion 140 may heat the introduced aerosol generating material. As a result, the air flowing into the chamber 130 and the vapor generated by the heating portion 140 may be mixed, and thus, the aerosol may be generated.
  • At least part of the aerosol generated in the aerosol generation space 130a may directly move to the guide hole 520 or move to the guide hole 520 along the curved surface 130c of the chamber 130.
  • the heating portion 140 may be arranged at the location separated from the support assembly 500 in a direction (e.g., the x-axis direction) crossing the direction (e.g., the z-axis direction) in which the device main body 200 extends. Accordingly, the aerosol generating device 1 according to an embodiment may have a structure for preventing damage to the support member 510 by the heating portion 140, compared to the comparative example in which the heating portion 140 is arranged on the lower portion (e.g., a portion in the -z direction) of the support assembly 500.
  • the sensor 420 may include the first sensor 421 and the second sensor 422 which are arranged apart from each other along the outer wall 120a of the accommodation portion 120.
  • At least a portion of the aerosol generated in the aerosol generation space 130a may move to the accommodation portion 120 and then be liquefied.
  • the liquefied aerosol may contain moisture and may be soaked into or present on the first area of the aerosol generating article 2 accommodated in the accommodation portion 120.
  • the first sensor 421 may sense the amount of aerosol (or moisture) soaked into or present on the first area of the aerosol generating article 2 accommodated in the accommodation portion 120.
  • the first sensor 421 may send the information regarding a value (i.e., amount) of the aerosol (or the moisture) to the processor or the memory of the aerosol generating device 1.
  • the first sensor 421 may be arranged to be closer to the support assembly 500 than the second sensor 422. Accordingly, the aerosol generating device 1 according to an embodiment may have a structure in which the amount of aerosol (or moisture) soaked into the aerosol generating article 2 is easily measured.
  • the information regarding the amount of the aerosol (or moisture) detected by the first sensor 421 may be used to determine a usage time of the aerosol generating article 2.
  • the information regarding the amount of the aerosol (or the moisture) sensed by the first sensor 421 may be used to prevent the reuse of the aerosol generating article 2. That is, when the amount of aerosol (or moisture) detected by the first sensor 421 is greater than the preset amount, the processor may determine that the usage time of the aerosol generating article 2 exceeds the service life of the aerosol generating article 2, and may provide information regarding the determining to the user. For example, the processor may provide, through a display, a user with information regarding the amount of the aerosol (or the moisture) of the aerosol generating article 2 and the usage time of the aerosol generating article 2.
  • the location of the aerosol (or the moisture) soaked into or present on the aerosol generating article 2 may differ each time. This may indicate that the location of the aerosol (or the moisture) sensed by the first sensor 421 is not fixed and thus the amount of the aerosol (or the moisture) sensed by the first sensor 421 may vary each time. Therefore, the reliability and accuracy of the first sensor 421 may degrade, and there is a possibility that the aerosol generating article 2 which has been used longer than its service life may be reused.
  • the consistency in the directionality of the aerosol moving towards the aerosol generating article 2 through the guide hole 520 may be maintained while the aerosol generating article 2 is supported by the support member 510.
  • the aerosol generating device 1 according to an embodiment may have a structure in which the location of the aerosol (or the moisture) soaked into the aerosol generating article 2 is constantly maintained with respect to the central portion of the accommodation portion 120.
  • FIG. 12 is an enlarged front cross-sectional view of a chamber and an accommodation portion in an aerosol generating device and an aerosol generating article inserted thereinto, according to the comparative Example.
  • the aerosol generating device according to the comparative example may include a cartridge 100.
  • the lower portion of the aerosol generating article 2 accommodated in the accommodation portion 120 is completely open. Accordingly, the aerosol generated by the heating portion 140 in the chamber 130 may randomly move towards the aerosol generating article 2.
  • the generated aerosol may be primarily soaked into or present on a portion WA of the aerosol generating article 2 that is off to the side (e.g., in the +x direction) of the central portion of the aerosol generating article 2.
  • FIG. 12 merely illustrates an example, and the aerosol may be soaked into or present on another portion that is off to a different side from the central portion of the aerosol generating article 2 (e.g., in the -x direction).
  • the location of the portion WA of the aerosol generating article 2 where the aerosol (or the moisture) is soaked or present is not constant. Accordingly, in the comparative example, the location of the aerosol (or the moisture) that is subject to the detection of the first sensor 421 is not constant, and thus, errors may occur in the detection values of the first sensor 421.
  • the first sensor 421 may have difficulty in accurately directing the aerosol (or the moisture) soaked into the aerosol generating article 2.
  • FIG. 13 is a front cross-sectional view of an enlarged region C of FIG. 11 to explain a support assembly, according to an embodiment.
  • the aerosol generating device 1 may include the cartridge 100, the sensor 420, and the support assembly 500. At least one of the components of the aerosol generating device 1 according to an embodiment may be the same as or similar to at least one of the components of the aerosol generating device 1 of FIG. 11, and repeated descriptions are omitted hereinafter.
  • the support assembly 500 may include a support member 510 and a guide hole 520.
  • the support member 510 may protrude towards the guide hole 520 from the inner surface 120b of the accommodation portion 120, and the guide hole 520 may be defined by the support member 510. Accordingly, the aerosol generated by the heating portion 140 inside the chamber 130 may move towards the central portion of the aerosol generating article 2 along the guide hole 520.
  • the aerosol moving to the central portion of the aerosol generating article 2 along the guide hole 520 may be uniformly distributed from the lower portion of the aerosol generating article 2 to the upper portion thereof (e.g., in the +z direction), thus being soaked into the aerosol generating article 2.
  • the support member 510 and the guide hole 520 may keep the directionality of the aerosol moving to the aerosol generating article 2 constant, and thus, the location of the portion WA of the aerosol generating article 2 may always remain constant.
  • the location of the aerosol (or the moisture) soaked into the aerosol generating article 2 that sensed by the first sensor 421 may always be fixed. Accordingly, the possibility that errors may occur in the amount of the aerosol (or the moisture) sensed by the first sensor 421 may be reduced. Therefore, the aerosol generating device 1 according to an embodiment may have improved reliability and accuracy of the operation of detecting the aerosol (or the moisture) soaked into the aerosol generating article 2.
  • the aerosol generating device 1 may have a structure in which the distance between first sensor 421 arranged on the outer wall 120a of the accommodation portion 120 and the portion WA soaked with the aerosol (or the moisture) becomes smaller toward the downstream direction (e.g., +z direction). Therefore, the aerosol generating device 1 according to an embodiment may have improved precision and ease of the operation of detecting the amount of the aerosol (or the moisture) soaked into the aerosol generating article 2 may be improved.
  • the size of the guide hole 520 may range from 0.405 to 0.857 of the size of the aerosol generating article 2.
  • the diameter D1 of the aerosol generating article 2 may be 7 mm to 7.4 mm
  • the diameter D2 of the guide hole 520 may be 3 mm to 6 mm.
  • the size of the guide hole 520 is less than 0.405 of the size of the aerosol generating article 2
  • the size of the guide hole 520 is too small.
  • the aerosol generated in the chamber 130 may not easily pass through the guide hole 520, resulting in an increased suction resistance for the user when inhaling the aerosol.
  • the size of the guide hole 520 is greater than 0.857 of the size of the aerosol generating article 2
  • the size of the guide hole 520 is too large.
  • the directionality of the aerosol moving to the aerosol generating article 2 is not constant.
  • the portion WA of the aerosol generating article 2 that is soaked with the aerosol remains constant all the time, and the suction resistance of the user may decrease.
  • FIG. 14 is a front cross-sectional view of an enlarged region C of FIG. 11 to explain a support assembly including a guide surface, according to an embodiment.
  • the aerosol generating device 1 may include the cartridge 100, the sensor 420, and the support assembly 500. At least one of the components of the aerosol generating device 1 according to an embodiment may be the same as or similar to at least one of the components of the aerosol generating device 1 of FIG. 13, and repeated descriptions are omitted hereinafter.
  • the support assembly 500 may include the support member 510, the guide hole 520, and the guide surface 530.
  • the support member 510 may protrude towards the guide hole 520 from the inner surface 120b of the accommodation portion 120, and the guide hole 520 may be defined by the support member 510.
  • the guide hole 520 may be positioned at the center of the support member 510. Accordingly, the aerosol generated by the heating portion 140 inside the chamber 130 may move towards the central portion of the aerosol generating article 2 along the guide hole 520.
  • the aerosol moving to the central portion of the aerosol generating article 2 along the guide hole 520 may be uniformly distributed from the lower portion of the aerosol generating article 2 toward the upper portion thereof (e.g., in the +z direction), thus being soaked into the aerosol generating article 2.
  • the support member 510 and the guide hole 520 may keep the directionality of the aerosol moving to the aerosol generating article 2 constant, and thus, the location of the portion WA of the aerosol generating article 2 may always remain constant.
  • the location of the aerosol (or the moisture) soaked into the aerosol generating article 2 may always be fixed, the location being sensed by the first sensor 421. Accordingly, the possibility that errors may occur in the amount of the aerosol (or the moisture) sensed by the first sensor 421 may be reduced. Therefore, the aerosol generating device 1 according to an embodiment may have improved reliability and accuracy of the operation of detecting the aerosol (or the moisture) soaked into the aerosol generating article 2.
  • the aerosol generating device 1 may have a structure with a decreasing distance between the first sensor 421 on the outer wall 120a of the accommodation portion 120 and the portion WA soaked with the aerosol (or the moisture). Therefore, the aerosol generating device 1 according to an embodiment may have improved precision and ease of the operation of detecting the amount of the aerosol (or the moisture) soaked into the aerosol generating article 2 may be improved.
  • the size of the guide hole 520 may range from 0.405 to 0.857 of the size of the aerosol generating article 2.
  • the diameter D1 of the aerosol generating article 2 may be 7 mm to 7.4 mm
  • the diameter D2 of the guide hole 520 may be 3 mm to 6 mm.
  • the guide surface 530 may be formed on a portion of the support member 510 that faces the chamber 130 and guide the aerosol generated in the chamber 130 to move to the guide hole 520. That is, the guide surface 530 may increase the fluidity of the aerosol generated by the heating portion 140 such that the aerosol may easily move to the aerosol generating article 2.
  • the guide surface 530 may be formed on a lower portion of the support member 510 (e.g., a portion in the -z direction).
  • FIG. 15 is a front cross-sectional view of an enlarged region C of FIG. 11 to explain a support assembly including an intermediate support, according to an embodiment.
  • the aerosol generating device 1 may include the cartridge 100, the sensor 420, and the support assembly 500. At least one of the components of the aerosol generating device 1 according to an embodiment may be the same as or similar to at least one of the components of the aerosol generating device 1 of FIG. 13, and repeated descriptions are omitted hereinafter.
  • the support assembly 500 may include the support member 510, the guide hole 520, and the intermediate support 540.
  • the support member 510 may protrude towards the guide hole 520 from the inner surface 120b of the accommodation portion 120, and the guide hole 520 may be defined by the support member 510. Accordingly, the aerosol generated by the heating portion 140 inside the chamber 130 may move towards the central portion of the aerosol generating article 2 along the guide hole 520.
  • the aerosol moving to the central portion of the aerosol generating article 2 along the guide hole 520 may be uniformly distributed from the lower portion of the aerosol generating article 2 to the upper portion thereof (e.g., in the +z direction), thus being soaked into the aerosol generating article 2.
  • the support member 510 and the guide hole 520 may keep the directionality of the aerosol moving to the aerosol generating article 2 constant, and thus, the location of the portion WA of the aerosol generating article 2 may always remain constant.
  • the location of the aerosol (or the moisture) soaked into the aerosol generating article 2 may always be fixed, the location being sensed by the first sensor 421. Accordingly, the possibility that errors may occur in the amount of the aerosol (or the moisture) sensed by the first sensor 421 may be reduced. Therefore, the aerosol generating device 1 according to an embodiment may have improved reliability and accuracy of the operation of detecting the aerosol (or the moisture) soaked into the aerosol generating article 2.
  • the aerosol generating device 1 may have a structure in which a distance between the first sensor 421 and the portion WA soaked with the aerosol (or the moisture) becomes smaller toward the downstream direction (e.g., +z direction). Therefore, the aerosol generating device 1 according to an embodiment may have improved precision and ease of the operation of detecting the amount of the aerosol (or the moisture) soaked into the aerosol generating article 2 may be improved.
  • the size of the guide hole 520 may range from 0.405 to 0.857 of the size of the aerosol generating article 2.
  • the diameter D1 of the aerosol generating article 2 may be 7 mm to 7.4 mm
  • the diameter D2 of the guide hole 520 may be 3 mm to 6 mm.
  • the intermediate support 540 may be located in the guide hole 520. In an embodiment, the intermediate support 540 may be located at the central portion of the guide hole 520. In addition to the support member 510, the intermediate support 540 may perform a function of supporting the aerosol generating article 2 accommodated in the accommodation portion 120. Accordingly, the support force that supports the aerosol generating article 2 may increase.
  • the directionality of the aerosol moving to the aerosol generating article 2 is constant, and thus, the portion WA of the aerosol generating article 2 that is soaked with the aerosol may always be constant as illustrated in FIG. 15.
  • FIG. 16 is a plan view of an aerosol generating device according to an embodiment from which a cap is separated, illustrating an example of a rib
  • FIG. 17 is a plan view of an aerosol generating device according to an embodiment from which a cap is separated, illustrating another example of a rib.
  • the aerosol generating device 1 may include the cartridge 100 and the support assembly 500. At least one of the components of the aerosol generating device 1 according to an embodiment may be the same as or similar to at least one of the components of the aerosol generating device 1 of FIG. 15, and repeated descriptions are omitted hereinafter.
  • the support assembly 500 may include the support member 510, the guide hole 520, the intermediate support 540, and the rib 550.
  • the rib 550 may connect the support member 510 to the intermediate support 540.
  • the rib 550 may fix the intermediate support 540 to the support member 510 and support the aerosol generating article 2 accommodated in the accommodation portion 120. Therefore, the aerosol generating device 1 according to an embodiment may have improved support force for supporting the aerosol generating article 2.i
  • a plurality of ribs 550 may be arranged along the circumferential direction of the intermediate support 540 and connect the support member 510 to the intermediate support 540.
  • two ribs 550 may be arranged along the circumferential direction of the intermediate support 540 and connect the support member 510 to the intermediate support 540.
  • four ribs 550 may be arranged along the circumferential direction of the intermediate support 540 and connect the support member 510 to the intermediate support 540.
  • the ribs 550 are evenly spaced along the circumferential direction of the intermediate support 540 such that the fixation force for fixing the intermediate support 540 to the support member 510 and the support force for supporting the aerosol generating article 2 may be increased.
  • the guide holes 520 may be defined by the support member 510, the intermediate support 540, and the ribs 550.
  • the number of the guide holes 520 may be equal to the number of ribs 550.
  • two guide holes 520 may be arranged along the circumferential direction of the intermediate support 540
  • four guide holes 520 may be arranged along the circumferential direction of the intermediate support 540.
  • the directionality of the aerosol moving to the aerosol generating article 2 is constant, and thus, the portion WA of the aerosol generating article 2 that is soaked with the aerosol may always be constant as shown in FIG. 15.
  • the support assembly 500 may include the support member 510, the guide hole 520, the guide surface 530, the intermediate support 540, and the ribs 550.
  • FIG. 18 is a front cross-sectional view of the enlarged region C of FIG. 11 to explain a support assembly, according to another embodiment.
  • the aerosol generating device 1 may include the cartridge 100, the sensor 420, and the support assembly 500. At least one of the components of the aerosol generating device 1 according to an embodiment may be the same as or similar to at least one of the components of the aerosol generating device 1 of FIG. 13, and repeated descriptions are omitted hereinafter.
  • the support assembly 500 may include the support member 510 and the guide hole 520.
  • the support member 510 may protrude towards the guide hole 520 from the inner surface 120b of the accommodation portion 120, and the guide hole 520 may be defined by the support member 510. Accordingly, the aerosol generated by the heating portion 140 inside the chamber 130 may move towards the aerosol generating article 2 along the guide hole 520.
  • the support member 510 may asymmetrically protrude from the inner surface 120b of the accommodation portion 120 toward the central portion of the accommodation portion 120.
  • a distance 420L1 between the first sensor 421 and a portion of the support member 510 may be greater than a distance 420L2 between the first sensor 421 and another portion of the support member 510.
  • the guide hole 520 may be off to the side (e.g., in the -x direction) from the central portion of the accommodation portion 120, towards the first sensor 421.
  • the aerosol moving to the aerosol generating article 2 along the guide hole 520 may be uniformly distributed from the lower portion of the aerosol generating article 2 to the upper portion thereof (e.g., in the +z direction), thus being soaked into the aerosol generating article 2.
  • the support member 510 and the guide hole 520 may keep the directionality of the aerosol moving to the aerosol generating article 2 constant, and thus, the location of the portion WA of the aerosol generating article 2 may always remain constant.
  • the location of the aerosol (or the moisture) soaked into the aerosol generating article 2 may always be fixed, the location being sensed by the first sensor 421. Accordingly, the possibility of an error occurring in the amount of the aerosol (or the moisture) sensed by the first sensor 421 may be reduced. Therefore, the aerosol generating device 1 according to an embodiment may have improved reliability and accuracy of the operation of detecting the aerosol (or the moisture) soaked into the aerosol generating article 2.
  • the aerosol generating device 1 may have a structure in which the distance between the first sensor 421 and the portion WA soaked with the aerosol (or the moisture) is reduced. Therefore, the aerosol generating device 1 according to an embodiment may have improved precision and ease in detecting the amount of the aerosol (or the moisture) soaked into the aerosol generating article 2.
  • the size of the guide hole 520 may range from 0.405 to 0.857 of the size of the aerosol generating article 2.
  • the diameter D1 of the aerosol generating article 2 may be 7 mm to 7.4 mm
  • the diameter D2 of the guide hole 520 may be 3 mm to 6 mm.
  • FIGS. 19 and 20 illustrate examples of the aerosol generating article.
  • the aerosol generating article 2 includes a tobacco rod 21 and a filter rod 22.
  • the first portion of the aerosol generating article 2 described above may include the tobacco rod 21, and the second portion may include the filter rod 22.
  • FIG. 19 illustrates that the filter rod 22 includes a single segment, but is limited thereto.
  • the filter rod 22 may include a plurality of segments.
  • the filter rod 22 may include a first segment configured to cool an aerosol and a second segment configured to filter a certain component included in the aerosol.
  • the filter rod 22 may further include at least one segment configured to perform other functions.
  • the diameter of the aerosol generating article 2 is within the range of 5 mm to 9 mm, and the length may be about 48 mm, but is not limited thereto.
  • the length of the tobacco rod 21 may be about 12 mm
  • the length of the first segment of the filter rod 22 may be about 10 mm
  • the length of the second segment of the filter rod 22 may be about 14 mm
  • the length of the third segment of the filter rod 22 may be about 12 mm.
  • the disclosure is not limited thereto.
  • the aerosol generating article 2 may be packaged by at least one wrapper 24.
  • the wrapper 24 may have at least one hole through which external air may be introduced or internal air may be discharged.
  • the aerosol generating article 2 may be packaged by one wrapper 24.
  • the aerosol generating article 2 may be doubly packaged by at least two wrappers 24.
  • the tobacco rod 21 may be packaged by a first wrapper 241, and the filter rod 22 may be packaged by wrappers 242, 243, and 244.
  • the entire aerosol generating article 2 may be re-packaged by a single wrapper 245.
  • each segment may be packaged by the wrappers 242, 243, and 244.
  • the first wrapper 241 and the second wrapper 242 may be formed of general filter wrapping paper.
  • the first wrapper 241 and the second wrapper 242 may be porous wrapping paper or non-porous wrapping paper.
  • the first wrapper 241 and the second wrapper 242 may be made of an oil-resistant paper sheet and/or an aluminum laminate packaging material.
  • the third wrapper 243 may be made of hard wrapping paper.
  • a basis weight of the third wrapper 243 may be within a range of 88 g/m 2 to 96 g/m 2 .
  • the basis weight of the third wrapper 243 may be within a range of 90 g/m 2 to 94 g/m 2 .
  • a thickness of the third wrapper 243 may be within a range of 120 ⁇ m to 130 ⁇ m.
  • the thickness of the third wrapper 243 may be 125 ⁇ m.
  • the fourth wrapper 244 may be made of oil-resistant hard wrapping paper.
  • a basis weight of the fourth wrapper 244 may be within a range of about 88 g/m 2 to about 96 g/m 2 .
  • the basis weight of the fourth wrapper 244 may be within a range of 90 g/m 2 to 94 g/m 2 .
  • a thickness of the fourth wrapper 244 may be within a range of 120 ⁇ m to 130 ⁇ m.
  • the thickness of the fourth wrapper 244 may be 125 ⁇ m.
  • the fifth wrapper 245 may be made of sterilized paper (MFW).
  • MFW refers to paper specially manufactured to have enhanced tensile strength, water resistance, smoothness, and the like, compared to ordinary paper.
  • a basis weight of the fifth wrapper 245 may be within a range of 57 g/m 2 to 63 g/m 2 .
  • the basis weight of the fifth wrapper 245 may be about 60 g/m 2 .
  • a thickness of the fifth wrapper 245 may be within a range of 64 ⁇ m to 70 ⁇ m.
  • the thickness of the fifth wrapper 245 may be 67 ⁇ m.
  • a predetermined material may be included in the fifth wrapper 245.
  • an example of the predetermined material may be, but is not limited to, silicon.
  • silicon exhibits characteristics like heat resistance with little change due to the temperature, oxidation resistance, resistances to various chemicals, water repellency, electrical insulation, etc.
  • any material other than silicon may be applied to (or coated on) the fifth wrapper 245 without limitation as long as the material has the above-mentioned characteristics.
  • the fifth wrapper 245 may prevent the aerosol generating article 2 from being burned.
  • the temperature is raised to a temperature above the ignition point of any one of materials included in the tobacco rod 21, the aerosol generating article 2 may be burned. Even in this case, since the fifth wrapper 245 includes a non-combustible material, the burning of the aerosol generating article 2 may be prevented.
  • the fifth wrapper 245 may prevent the aerosol generating device 1 from being contaminated by substances generated in the aerosol generating article 2.
  • liquid substances may be generated in the aerosol generating article 2.
  • liquid substances e.g., moisture, etc.
  • the fifth wrapper 245 wraps the aerosol generating article 2
  • the liquid substances generated in the aerosol generating article 2 may be prevented from leaking out of the aerosol generating article 2.
  • the tobacco rod 21 may include an aerosol generating material.
  • the aerosol generating material may include at least one of glycerin, propylene glycol, ethylene glycol, dipropylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, and oleyl alcohol, but it is not limited thereto.
  • the tobacco rod 21 may include other additives, such as flavors, a wetting agent, and/or organic acid.
  • the tobacco rod 21 may include a flavored liquid, such as menthol or a moisturizer, which is injected to the tobacco rod 21.
  • the tobacco rod 21 may be manufactured in various forms.
  • the tobacco rod 21 may be formed as a sheet or a strand.
  • the tobacco rod 21 may be formed as a pipe tobacco, which is formed of tiny bits cut from a tobacco sheet.
  • the tobacco rod 21 may be surrounded by a heat-conducting material.
  • the heat-conducting material may be, but is not limited to, metal foil such as aluminum foil.
  • the heat-conducting material surrounding the tobacco rod 21 may uniformly distribute heat transmitted to the tobacco rod 21, and thus, the heat conductivity applied to the tobacco rod may be increased and taste of the tobacco may be improved.
  • the filter rod 22 may include a cellulose acetate filter. Shapes of the filter rod 22 are not limited.
  • the filter rod 22 may include a cylinder-type rod or a tube-type rod having a hollow inside.
  • the filter rod 22 may include a recess-type rod. When the filter rod 22 includes a plurality of segments, at least one of the plurality of segments may have a different shape.
  • the first segment of the filter rod 22 may be a cellulose acetate filter.
  • the first segment may be a tube-type structure having a hollow inside.
  • a diameter of the hollow included in the first segment may be an appropriate diameter within a range of 2 mm to 4.5 mm but is not limited thereto.
  • the length of the first segment may be an appropriate length within a range of 4 mm to 30 mm but is not limited thereto.
  • the length of the first segment may be 10 mm, but is not limited thereto.
  • the hardness of the first segment may be adjusted by adjusting the content of the plasticizer during manufacture of the first segment.
  • the first segment may be manufactured by inserting a structure such as a film or a tube made of the same or different material into the inside (e.g., hollow).
  • the length or diameter of the second segment may be variously determined according to the shape of the aerosol generating article 2.
  • the length of the second segment may be an appropriate length within a range of 7 mm to 20 mm.
  • the length of the second segment may be about 14 mm but is not limited thereto.
  • the second segment may be manufactured by weaving a polymer fiber.
  • a flavoring liquid may also be applied to the fiber formed of the polymer.
  • the second segment may be manufactured by weaving together an additional fiber coated with a flavoring liquid and a fiber formed of a polymer.
  • the second segment may be formed by a crimped polymer sheet.
  • a polymer may be formed of a material selected from the group consisting of polyethylene (PE), polypropylene ( ⁇ ), polyvinyl chloride (PVC), polyethylene terephthalate (PET), polylactic acid (PLA), cellulose acetate (CA), and aluminum foil.
  • PE polyethylene
  • ⁇ polypropylene
  • PVC polyvinyl chloride
  • PET polyethylene terephthalate
  • PLA polylactic acid
  • CA cellulose acetate
  • aluminum foil aluminum foil
  • the second segment may include a single channel or a plurality of channels extending in a longitudinal direction.
  • a channel refers to a passage through which a gas (e.g., air or aerosol) passes.
  • the second segment formed of the crimped polymer sheet may be formed from a material having a thickness between about 5 ⁇ m and about 300 ⁇ m, for example, between about 10 ⁇ m and about 250 ⁇ m.
  • a total surface area of the second segment may be between about 300 mm 2 /mm and about 1000 mm 2 /mm.
  • an aerosol cooling element may be formed from a material having a specific surface area between about 10 mm 2 /mg and about 100 mm 2 /mg.
  • the second segment may include a thread including a volatile flavor component.
  • the volatile flavor component may be menthol but is not limited thereto.
  • the thread may be filled with a sufficient amount of menthol to provide the second segment with menthol of 1.5 mg or more.
  • the third segment of the filter rod 22 may be a cellulose acetate filter.
  • the length of the third segment may be an appropriate length within a range of 4 mm to 20 mm.
  • the length of the third segment may be about 12 mm but is not limited thereto.
  • the third segment may be fabricated such that flavor is generated by spraying a flavored liquid on the third segment in the process of fabricating the third segment.
  • a separate fiber coated with flavoring liquid may be inserted into the third segment.
  • the aerosol generated in the tobacco rod 21 is cooled as it passes through the second segment of the filter rod 22, and the cooled aerosol is delivered to the user through the third segment. Therefore, when the flavoring element is added to the third segment, the effect of enhancing the persistence of the flavor delivered to the user may occur.
  • an aerosol generating article 3 may further include a front-end plug 33.
  • the front-end plug 33 may be located on a side of a tobacco rod 31, the side facing a filter rod 32.
  • the front-end plug 33 may prevent the tobacco rod 31 from being detached and prevent a liquefied aerosol from flowing into the aerosol generating device 1 from the tobacco rod 31, during smoking.
  • the filter rod 32 may include a first segment 321 and a second segment 322.
  • the first segment 321 may correspond to the first segment of the filter rod 22 of FIG. 19
  • the second segment 322 may correspond to the third segment of the filter rod 22 of FIG. 19.
  • a diameter and a total length of the aerosol generating article 3 may correspond to the diameter and the total length of the aerosol generating article 2 of FIG. 19.
  • a length of the front-end plug 33 may be about 7 mm
  • a length of the tobacco rod 31 may be about 15 mm
  • a length of the first segment 321 may be about 12 mm
  • a length of the second segment 322 may be about 14 mm, but embodiments are not limited thereto.
  • the aerosol generating article 3 may be wrapped by at least one wrapper 35.
  • the wrapper 35 may have at least one hole through which external air may be introduced or internal air may be discharged.
  • the front-end plug 33 may be wrapped using a first wrapper 351
  • the tobacco rod 31 may be wrapped using a second wrapper 352
  • the first segment 321 may be wrapped using a third wrapper 353, and the second segment 322 may be wrapped using a fourth wrapper 354.
  • the entire aerosol generating article 3 may be re-wrapped using a fifth wrapper 355.
  • the fifth wrapper 355 may have at least one perforation 36 formed therein.
  • the perforation 36 may be formed in an area of the fifth wrapper 355 surrounding the tobacco rod 31 but is not limited thereto.
  • the second segment 322 may include at least one capsule 34.
  • the capsule 34 may generate a flavor or an aerosol.
  • the capsule 34 may have a configuration in which a liquid including a flavoring material is wrapped with a film.
  • the capsule 34 may have a spherical or cylindrical shape but is not limited thereto.
  • the first wrapper 351 may be formed by combining general filter wrapping paper with metal foil such as aluminum foil.
  • the total thickness of the first wrapper 351 may be within a range of 45 ⁇ m to 55 ⁇ m.
  • the total thickness of the first wrapper 351 may be 50.3 ⁇ m.
  • a thickness of the metal foil of the first wrapper 351 may be within a range 6 ⁇ m to 7 ⁇ m.
  • the thickness of the metal foil of the first wrapper 351 may be 6.3 ⁇ m.
  • a basis weight of the first wrapper 351 may be within a range of 50 g/m 2 to 55 g/m 2 .
  • the basis weight of the first wrapper 351 may be 53 g/m 2 .
  • the second wrapper 352 and the third wrapper 353 may be formed of general filter wrapping paper.
  • the second wrapper 352 and the third wrapper 353 may be porous wrapping paper or non-porous wrapping paper.
  • porosity of the second wrapper 352 may be 35000 CU but is not limited thereto.
  • a thickness of the second wrapper 352 may be within a range of 70 ⁇ m to 80 ⁇ m.
  • the thickness of the second wrapper 352 may be 78 ⁇ m.
  • a basis weight of the second wrapper 352 may be within a range of 20 g/m 2 to 25 g/m 2 .
  • the basis weight of the second wrapper 352 may be 23.5 g/m 2 .
  • porosity of the third wrapper 353 may be 24000 CU but is not limited thereto.
  • a thickness of the third wrapper 353 may be in a range of about 60 ⁇ m to about 70 ⁇ m.
  • the thickness of the third wrapper 353 may be 68 ⁇ m.
  • a basis weight of the third wrapper 353 may be in a range of about 20 g/m 2 to about 25 g/m 2 .
  • the basis weight of the third wrapper 353 may be 21 g/m 2 .
  • the fourth wrapper 354 may be formed of PLA laminated paper.
  • the PLA laminated paper refers to three-layer paper including a paper layer, a PLA layer, and a paper layer.
  • a thickness of the fourth wrapper 354 may be in a range of 100 ⁇ m to 120 ⁇ m.
  • the thickness of the fourth wrapper 354 may be 110 ⁇ m.
  • a basis weight of the fourth wrapper 354 may be in a range of 80 g/m 2 to 100 g/m 2 .
  • the basis weight of the fourth wrapper 354 may be 88 g/m 2 .
  • the fifth wrapper 355 may be formed of MFW.
  • the MFW refers to paper which is particularly manufactured to improve tensile strength, water resistance, smoothness, and the like more than ordinary paper.
  • a basis weight of the fifth wrapper 355 may be in a range of 57 g/m 2 to 63 g/m 2 .
  • the basis weight of the fifth wrapper 355 may be 60 g/m 2 .
  • a thickness of the fifth wrapper 355 may be in a range of 64 ⁇ m to 70 ⁇ m.
  • the thickness of the fifth wrapper 355 may be 67 ⁇ m.
  • the front-end plug 33 may be formed of cellulose acetate.
  • the front-end plug 33 may be formed by adding a plasticizer (e.g., triacetin) to cellulose acetate tow.
  • Mono-denier of filaments constituting the cellulose acetate tow may be in a range of 1.0 to 10.0.
  • the mono-denier of filaments constituting the cellulose acetate tow may be within a range of 4.0 to 6.0.
  • the mono-denier of the filaments of the front-end plug 33 may be 5.0.
  • a cross-section of the filaments constituting the front-end plug 33 may be a ⁇ shape.
  • Total denier of the front-end plug 33 may be in a range of 20000 to 30000.
  • the total denier of the front-end plug 33 may be within a range of 25000 to 30000.
  • the total denier of the front-end plug 33 may be 28000.
  • the front-end plug 33 may include at least one channel.
  • a cross-sectional shape of the channel may be manufactured in various shapes.
  • the tobacco rod 31 may correspond to the tobacco rod 21 described above with reference to FIG. 19. Therefore, hereinafter, the detailed description of the tobacco rod 31 will be omitted.
  • the first segment 321 may be formed of cellulose acetate.
  • the first segment 321 may be a tube-type structure having a hollow inside.
  • the first segment 321 may be manufactured by adding a plasticizer (e.g., triacetin) to cellulose acetate tow.
  • a plasticizer e.g., triacetin
  • mono-denier and total denier of the first segment 321 may be the same as the mono-denier and total denier of the front-end plug 33.
  • the second segment 322 may be formed of cellulose acetate.
  • Mono denier of filaments constituting the second segment 322 may be in a range of 1.0 to 10.0.
  • the mono denier of the filaments of the second segment 322 may be within a range of about 8.0 to about 10.0.
  • the mono denier of the filaments of the second segment 322 may be 9.0.
  • a cross-section of the filaments of the second segment 322 may be a ⁇ shape.
  • Total denier of the second segment 322 may be in a range of 20000 to 30000.
  • the total denier of the second segment 322 may be 25000.
  • FIG. 21 is a block diagram of an aerosol generating device according to another embodiment.
  • the aerosol generating device 1 may include a controller 1000, a sensing unit 2000, an output unit 3000, a battery 4000, a heater 5000, a user input unit 6000, a memory 7000, and a communication unit 8000.
  • the internal structure of the aerosol generating device 1 is not limited to those illustrated in FIG. 21. That is, according to the design of the aerosol generating device 1, it will be understood by one of ordinary skill in the art that some of the components shown in FIG. 21 may be omitted or new components may be added.
  • the sensing unit 2000 may sense a state of the aerosol generating device 1 and a state around the aerosol generating device 1, and transmit sensed information to the controller 1000. Based on the sensed information, the controller 1000 may control the aerosol generating device 1 to perform various functions, such as controlling an operation of the heater 5000, limiting smoking, determining whether an aerosol generating article (e.g., a cigarette, a cartridge, or the like) is inserted, displaying a notification, or the like.
  • an aerosol generating article e.g., a cigarette, a cartridge, or the like
  • the sensing unit 2000 may include at least one of a temperature sensor 2100, an insertion detection sensor 2200, and a puff sensor 2300, but is not limited thereto.
  • the temperature sensor 2100 may sense a temperature at which the heater 5000 (or an aerosol generating material) is heated.
  • the aerosol generating device 1 may include a separate temperature sensor for sensing the temperature of the heater 5000, or the heater 5000 may serve as a temperature sensor.
  • the temperature sensor 2100 may also be arranged around the battery 4000 to monitor the temperature of the battery 4000.
  • the insertion detection sensor 2200 may sense insertion and/or removal of an aerosol generating article.
  • the insertion detection sensor 2200 may include at least one of a film sensor, a pressure sensor, an optical sensor, a resistive sensor, a capacitive sensor, an inductive sensor, and an infrared sensor, and may sense a signal change according to the insertion and/or removal of an aerosol generating article.
  • the puff sensor 2300 may sense a user's puff on the basis of various physical changes in an airflow passage or an airflow channel.
  • the puff sensor 2300 may sense a user's puff on the basis of any one of a temperature change, a flow change, a voltage change, and a pressure change.
  • the sensing unit 2000 may include, in addition to the temperature sensor 2100, the insertion detection sensor 2200, and the puff sensor 2300 described above, at least one of a temperature/humidity sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a gyroscope sensor, a location sensor (e.g., a global positioning system (GPS)), a proximity sensor, and a red-green-blue (RGB) sensor (illuminance sensor).
  • GPS global positioning system
  • RGB red-green-blue
  • the output unit 3000 may output information on a state of the aerosol generating device 1 and provide the information to a user.
  • the output unit 3000 may include at least one of a display unit 3100, a haptic unit 3200, and a sound output unit 3300, but is not limited thereto.
  • the display unit 3100 and a touch pad form a layered structure to form a touch screen
  • the display unit 3100 may also be used as an input device in addition to an output device.
  • the display unit 3100 may visually provide information about the aerosol generating device 1 to the user.
  • information about the aerosol generating device 1 may mean various pieces of information, such as a charging/discharging state of the battery 4000 of the aerosol generating device 1, a preheating state of the heater 5000, an insertion/removal state of an aerosol generating article, or a state in which the use of the aerosol generating device 1 is restricted (e.g., sensing of an abnormal object), or the like, and the display unit 3100 may output the information to the outside.
  • the display unit 3100 may be, for example, a liquid crystal display panel (LCD), an organic light-emitting diode (OLED) display panel, or the like.
  • the display unit 3100 may be in the form of a light-emitting diode (LED) light-emitting device.
  • LED light-emitting diode
  • the haptic unit 3200 may tactilely provide information about the aerosol generating device 1 to the user by converting an electrical signal into a mechanical stimulus or an electrical stimulus.
  • the haptic unit 3200 may include a motor, a piezoelectric element, or an electrical stimulation device.
  • the sound output unit 3300 may audibly provide information about the aerosol generating device 1 to the user.
  • the sound output unit 3300 may convert an electrical signal into a sound signal and output the same to the outside.
  • the battery 4000 may supply power used to operate the aerosol generating device 1.
  • the battery 4000 may supply power such that the heater 5000 may be heated.
  • the battery 4000 may supply power required for operations of other components (e.g., the sensing unit 2000, the output unit 3000, the user input unit 6000, the memory 7000, and the communication unit 8000) in the aerosol generating device 1.
  • the battery 4000 may be a rechargeable battery or a disposable battery.
  • the battery 4000 may be a lithium polymer (LiPoly) battery, but is not limited thereto.
  • the heater 5000 may receive power from the battery 4000 to heat an aerosol generating material.
  • the aerosol generating device 1 may further include a power conversion circuit (e.g., a direct current (DC)/DC converter) that converts power of the battery 4000 and supplies the same to the heater 5000.
  • the aerosol generating device 1 may further include a DC/alternating current (AC) that converts DC power of the battery 4000 into AC power.
  • the controller 1000, the sensing unit 2000, the output unit 3000, the user input unit 6000, the memory 7000, and the communication unit 8000 may each receive power from the battery 4000 to perform a function.
  • the aerosol generating device 1 may further include a power conversion circuit that converts power of the battery 4000 to supply the power to respective components, for example, a low dropout (LDO) circuit, or a voltage regulator circuit.
  • LDO low dropout
  • the heater 5000 may be formed of any suitable electrically resistive material.
  • the suitable electrically resistive material may be a metal or a metal alloy including titanium, zirconium, tantalum, platinum, nickel, cobalt, chromium, hafnium, niobium, molybdenum, tungsten, tin, gallium, manganese, iron, copper, stainless steel, nichrome, or the like, but is not limited thereto.
  • the heater 5000 may be implemented by a metal wire, a metal plate on which an electrically conductive track is arranged, a ceramic heating element, or the like, but is not limited thereto.
  • the heater 5000 may be a heater of an induction heating type.
  • the heater 5000 may include a suspector that heats an aerosol generating material by generating heat through a magnetic field applied by a coil.
  • the user input unit 6000 may receive information input from the user or may output information to the user.
  • the user input unit 6000 may include a key pad, a dome switch, a touch pad (a contact capacitive method, a pressure resistance film method, an infrared sensing method, a surface ultrasonic conduction method, an integral tension measurement method, a piezo effect method, or the like), a jog wheel, a jog switch, or the like, but is not limited thereto.
  • the aerosol generating device 1 may further include a connection interface, such as a universal serial bus (USB) interface, and may connect to other external devices through the connection interface, such as the USB interface, to transmit and receive information, or to charge the battery 4000.
  • USB universal serial bus
  • the memory 7000 is a hardware component that stores various types of data processed in the aerosol generating device 1, and may store data processed and data to be processed by the controller 1000.
  • the memory 7000 may include at least one type of storage medium from among a flash memory type, a hard disk type, a multimedia card micro type memory, a card-type memory (for example, secure digital (SD) or extreme digital (XD) memory, etc.), random access memory (RAM), static random access memory (SRAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read-only memory (PROM), a magnetic memory, a magnetic disk, and an optical disk.
  • the memory 7000 may store an operation time of the aerosol generating device 1, the maximum number of puffs, the current number of puffs, at least one temperature profile, data on a user's smoking pattern, etc.
  • the communication unit 8000 may include at least one component for communication with another electronic device.
  • the communication unit 8000 may include a short-range wireless communication unit 8100 and a wireless communication unit 8200.
  • the short-range wireless communication unit 8100 may include a Bluetooth communication unit, a Bluetooth Low Energy (BLE) communication unit, a near field communication unit, a wireless LAN (WLAN) (Wi-Fi) communication unit, a Zigbee communication unit, an infrared data association (IrDA) communication unit, a Wi-Fi Direct (WFD) communication unit, an ultra-wideband (UWB) communication unit, an Ant+ communication unit, or the like, but is not limited thereto.
  • BLE Bluetooth Low Energy
  • Wi-Fi wireless LAN
  • Zigbee communication unit an infrared data association (IrDA) communication unit
  • Wi-Fi Direct (WFD) communication unit Wi-Fi Direct (WFD) communication unit
  • UWB ultra-wideband
  • Ant+ communication unit or the like, but is not limited thereto.
  • the wireless communication unit 8200 may include a cellular network communication unit, an Internet communication unit, a computer network (e.g., local area network (LAN) or wide area network (WAN)) communication unit, or the like, but is not limited thereto.
  • the wireless communication unit 8200 may also identify and authenticate the aerosol generating device 1 within a communication network by using subscriber information (e.g., International Mobile Subscriber Identifier (IMSI)).
  • subscriber information e.g., International Mobile Subscriber Identifier (IMSI)
  • the controller 1000 may control general operations of the aerosol generating device 1.
  • the controller 1000 may include at least one processor.
  • the processor may be implemented as an array of a plurality of logic gates or may be implemented as a combination of a general-purpose microprocessor and a memory in which a program executable by the microprocessor is stored. It will be understood by one of ordinary skill in the art that the processor may be implemented in other forms of hardware.
  • the controller 1000 may control the temperature of the heater 5000 by controlling supply of power of the battery 4000 to the heater 5000.
  • the controller 1000 may control power supply by controlling switching of a switching element between the battery 4000 and the heater 5000.
  • a direct heating circuit may also control power supply to the heater 5000 according to a control command of the controller 1000.
  • the controller 1000 may analyze a result sensed by the sensing unit 2000 and control subsequent processes to be performed. For example, the controller 1000 may control power supplied to the heater 5000 to start or end an operation of the heater 5000 on the basis of a result sensed by the sensing unit 2000. As another example, the controller 1000 may control, based on a result sensed by the sensing unit 2000, an amount of power supplied to the heater 5000 and the time the power is supplied, such that the heater 5000 may be heated to a certain temperature or maintained at an appropriate temperature.
  • the controller 1000 may control the output unit 3000 on the basis of a result sensed by the sensing unit 2000. For example, when the number of puffs counted through the puff sensor 2300 reaches a preset number, the controller 1000 may notify the user that the aerosol generating device 1 will soon be terminated through at least one of the display unit 3100, the haptic unit 3200, and the sound output unit 3300.
  • One embodiment may also be implemented in the form of a computer-readable recording medium including instructions executable by a computer, such as a program module executable by the computer.
  • the computer-readable recording medium may be any available medium that may be accessed by a computer and includes both volatile and nonvolatile media, and removable and non-removable media.
  • the computer-readable recording medium may include both a computer storage medium and a communication medium.
  • the computer storage medium includes all of volatile and nonvolatile media, and removable and non-removable media implemented by any method or technology for storage of information such as computer-readable instructions, data structures, program modules, or other data.
  • the communication medium typically includes computer-readable instructions, data structures, other data in modulated data signals such as program modules, or other transmission mechanisms, and includes any information transfer media.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

Dispositif de génération d'aérosol comprenant une cartouche comprenant un stockage conçu pour stocker un matériau de génération d'aérosol, une partie de réception dans laquelle un article de génération d'aérosol est reçu, une chambre reliée à la partie de réception, une partie de chauffage disposée dans la chambre et conçue pour chauffer le matériau de génération d'aérosol et un ensemble de support disposé sur la partie de réception, conçu pour supporter l'article de génération d'aérosol et conçu pour permettre à un aérosol généré par la partie de chauffage de passer à travers celui-ci, ainsi qu'un corps principal de dispositif comprenant une partie de couplage de cartouche à laquelle la cartouche est couplée de manière amovible et un capteur disposé entre la partie de couplage de cartouche et la partie de réception et conçu pour détecter l'humidité dans l'article de génération d'aérosol.
PCT/KR2023/018455 2022-12-20 2023-11-16 Dispositif de génération d'aérosol WO2024136147A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2022-0179797 2022-12-20
KR20220179797 2022-12-20
KR10-2023-0035396 2023-03-17
KR1020230035396A KR20240097675A (ko) 2022-12-20 2023-03-17 에어로졸 생성 장치

Publications (1)

Publication Number Publication Date
WO2024136147A1 true WO2024136147A1 (fr) 2024-06-27

Family

ID=91589308

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2023/018455 WO2024136147A1 (fr) 2022-12-20 2023-11-16 Dispositif de génération d'aérosol

Country Status (1)

Country Link
WO (1) WO2024136147A1 (fr)

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