EP4179901A1 - Dispositif de génération d'aérosol - Google Patents

Dispositif de génération d'aérosol Download PDF

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Publication number
EP4179901A1
EP4179901A1 EP21838681.1A EP21838681A EP4179901A1 EP 4179901 A1 EP4179901 A1 EP 4179901A1 EP 21838681 A EP21838681 A EP 21838681A EP 4179901 A1 EP4179901 A1 EP 4179901A1
Authority
EP
European Patent Office
Prior art keywords
opening
generating device
fixing
tube
air flow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21838681.1A
Other languages
German (de)
English (en)
Other versions
EP4179901A4 (fr
Inventor
Yongbao YUAN
Yancheng LIAO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Maishi Technology Co Ltd
Original Assignee
Shenzhen Merit Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Merit Technology Co Ltd filed Critical Shenzhen Merit Technology Co Ltd
Publication of EP4179901A1 publication Critical patent/EP4179901A1/fr
Publication of EP4179901A4 publication Critical patent/EP4179901A4/fr
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors

Definitions

  • the present invention relates to a heat-not-burning atomization device, and more particularly to an aerosol generating device.
  • a current aerosol forming device comprises a fixing tube for receiving and holding an aerosol forming substrate and a lower casing for receiving and holding a battery.
  • a heating element is arranged inside the fixing tube, and the battery supplies electricity to the heating element.
  • the lower casing defines a gas inlet opening and a gas passage in communication with the gas inlet opening and the fixing tube.
  • a distance from the heating element to a tube wall of the fixing tube is short.
  • the heat of the heating element can be readily transmitted to the tube wall of the fixing tube to cause a high temperature, and this may easily result in the user's hand feeling uncomfortable.
  • the gas passage is arranged in the lower casing, and the structure is complicated and the path being long, so that it is easy to get blocked.
  • the technical problem that the present invention is made to overcome is to provide an improved aerosol generating device.
  • an aerosol forming device which comprises a fixing tube for fixing an aerosol forming substrate and a heating assembly;
  • the air flow channel comprises a first air flow channel arranged on the inner side of the tube wall of the fixing tube and the first opening and extending toward and in communication with an end distant from the first opening to allow the external air to get into the aerosol forming substrate.
  • the aerosol forming device further comprises an outer tube sleeved over an outer circumference of the fixing tube; and the air flow channel further comprises a second air flow channel arranged in the outer tube and in communication with the first air flow channel to allow gas from the first air flow channel to get into the aerosol forming substrate.
  • an end of the fixing tube that is distant from the first opening is formed with a second opening that is in communication with the first opening;
  • the first air flow channel is arranged in a longitudinal direction of the fixing tube; and/or, the fixing tube is provided, at an end thereof that is distant from the first opening, with a bottom wall.
  • the fixing tube has a cross section that is of a non-circular shape; and the first air flow channel is formed by recessing of a portion of the tube wall of the fixing tube.
  • the fixing tube comprises a fixing section that is hollow and has two penetrating ends; the first opening and the second opening are both arranged at the two ends of the fixing section;
  • the fixing tube comprises a circular internal tube wall and an external tube wall arranged on the outer circumference of the internal tube wall and spaced from the internal tube wall; and the first air flow channel is arranged on the inner side of the external tube wall and is located between the external tube wall and the internal tube wall.
  • the internal tube wall comprises a plurality of internal tube wall units that are arranged at intervals and circumferentially enclosing to define a columnar structure;
  • the fixing tube further comprises a linking section provided on the internal tube wall to connect the internal tube wall and the external tube wall.
  • the internal tube wall and the external tube wall are integrally formed as one piece; or alternatively, the internal tube wall and the external tube wall are connected in a detachable manner.
  • a top cover is further included and is sleeved over the outer circumference of the fixing tube; the internal tube wall integrally formed with the top cover as one piece.
  • the supporting wall is provided with a plurality of platforms arranged thereon at intervals; two adjacent ones of the platforms define therebetween the second air flow channel in communication with the first air flow channel.
  • the supporting wall is formed with a through hole to receive the heating assembly to perforate therethrough.
  • the heating assembly comprises a heating body that perforates through the supporting wall to insert from the second opening into the aerosol forming substrate.
  • a cross section of a fixing section of the fixing tube comprises a major axis and a minor axis that is arranged to intersect the major axis; two ends of the major axis are both provided with the first air flow channel of the gas flow channel; and
  • the heating body is of a form of a plate, and when the heating body is inserted into the aerosol forming substrate, the width direction of the heating body coincides with the length direction of the minor axis.
  • the heating body is of a form of a pillar.
  • the heating body comprises a cylindrical main section and a sharp tip structure arranged at one end of the main section and having a conical form.
  • a top cover is further included and is sleeved over the outer circumference of the fixing tube; the top cover formed with an insertion opening that corresponds to the first opening to allow the aerosol forming substrate to insert into the fixing tube.
  • the shape of the insertion opening matches a cross-sectional shape of the fixing tube.
  • the insertion opening is provided with a guide slope surface for guiding the insertion of the aerosol forming substrate; and the guide slope surface is extended from an end face of an end of the insertion opening that is distant from the fixing tube in a direction toward the fixing tube.
  • the aerosol generating device possesses the following efficacy.
  • the aerosol generating device is structured to include an air flow channel arranged on the inner side of the tube wall of the fixing tube to conduct external air to enter the aerosol forming substrate, so as to make it easy for users to inhale and to reduce the air flow channel and avoid blocking of the gas flow channel, and also to prevent heat from directly transmitting to the tube wall to thereby avoid being hard to be held by the users or causing discomfort during inhaling.
  • the aerosol generating device possesses advantages of simple structure, high gas conveyance efficiency, being not easy to get blocked, and excellent users' experience.
  • FIGS. 1 and 2 shows an aerosol generating device according to a first embodiment of the present invention.
  • the aerosol generating device 100 may adopt a low temperature heating but not burning manner to heat the aerosol forming substrate 200.
  • the aerosol forming substrate 200 may be of a cylindrical form, and specifically, the aerosol forming substrate 200 may be a cigarette.
  • the aerosol generating device comprises a top cover 10, a fixing tube 20, and a heating assembly 50.
  • the top cover 10 is fit over the outer circumference of the fixing tube 20.
  • the top cover 10 in combination with the fixing tube 20 forms a top cover assembly.
  • the top cover assembly receives and holds therein the aerosol forming substrate 200.
  • the fixing tube 20 is arranged in the top cover 10 to receive the aerosol forming substrate 200 to insert therein in order to fix the aerosol forming substrate 200 in position.
  • the heating assembly 50 is arranged to insert into the aerosol forming substrate 200 received in the fixing tube 10 and is operable to heat the aerosol forming substrate 200. As shown in FIGS.
  • the top cover 10 and the fixing tube 20 are connected to each other in a detachable manner, and are connected, by means of a connecting assembly, to form an integral structure.
  • the top cover 10 and the fixing tube 20 can alternatively be formed integrally as one piece by means of casting or injection molding.
  • the top cover 10 comprises a top wall 11 and a tubular sidewall 12 that is mounted to the top wall 11 and is extended downward from the circumference of the top wall 11.
  • the inner side of the tubular sidewall 12 circumferentially delimits and defines a receiving chamber.
  • the top wall 11 has a cross section that is substantially of an elliptical shape, but is not limited to elliptical shape.
  • the top cover 10 is formed with an insertion opening 111, and the insertion opening 111 is configured for receiving the aerosol forming substrate 200 to insert into the fixing tube 20.
  • the insertion opening 111 is formed in the top wall 11 of the top cover 10.
  • a shape of the insertion opening 11 is corresponded to a cross-sectional shape of the fixing tube 20.
  • the shape of the insertion opening 11 is corresponded to a cross-sectional shape of a fixing section 21 of the fixing tube 20.
  • the insertion opening 11 is substantially of an elliptical shape, but is not limited thereto.
  • the insertion opening 11 is provided with a guide slope surface.
  • the guide slope surface extends from an end face of an end of the insertion opening 11 that is distant from the fixing tube 20 in a direction toward the fixing tube 20, so that the insertion opening 11is generally of a shape of a frustum.
  • the guide slope surface functions to guide the insertion of the aerosol forming air 100. It is appreciated that in other embodiments, the guide slope surface may be omitted.
  • the fixing tube 20 is of a structure that is hollow and has two ends that are open for receiving the aerosol forming substrate 200 therein.
  • the fixing tube 20 further comprises a fixing section 21 and a mounting section 22.
  • the fixing section 21 is provided for fixing the aerosol forming substrate 200.
  • the mounting section 22 is arranged at an end of the fixing section 21 and may be mounted in combination with the top cover 10.
  • the fixing section 21 is in a tubular configuration.
  • the fixing section 21 is a hollow and two-end-perforating structure, and an insertion passage 210 is formed in the interior of the fixing section 21.
  • the two ends of the fixing tube 20 are respectively formed as a first opening 211 and a second opening 212.
  • the first opening 211 and the second opening 212 are respectively formed in the two ends of the fixing section 21 and are arranged symmetric about an axis and are in communication with the insertion passage 210.
  • the aerosol forming substrate 200 is insertable from the first opening 211 into the fixing tube, and is extractable from the fixing tube 212 toward the first opening 211 for removal.
  • the aerosol forming substrate 200 can be inserted to reach the second opening 212, and can be extracted from the second opening 212 toward the first opening 211 for removal.
  • the aerosol forming substrate 200 has a length that is greater than the distance between the first opening 211 and the second opening 212.
  • the aerosol forming substrate 200 can alternatively be arranged to exceed the second opening 212.
  • the aerosol forming substrate 200 may alternatively not reach the second opening.
  • the first opening 211 is a frustum-like opening, and a radial dimension of the first opening 211 is arranged to gradually reduce in a direction toward the second opening 212, to facilitate the insertion of the aerosol forming substrate 200. It is appreciated that in other embodiments, an end of the fixing section 21 that is distant from the first opening 211 may be provided with a bottom wall.
  • the cross section of the fixing tube 20 can be of a non-circular shape, and specifically, the cross section of the fixing tube 20 is in an elliptical shape, but is not limited thereto. Specifically, the cross section of the fixing section 21 is substantially elliptical in shape, but is not limited thereto. In other embodiments, the cross section of the fixing tube 21 can be circular or non-circular.
  • a cross-sectional size of the fixing section 21 is corresponded to a cross-sectional size of the aerosol forming substrate 200, and specifically, the cross section of the fixing section 21 may have a major axis and a minor axis intersect the major axis.
  • the length of the major axis is greater than a radial size of the aerosol forming substrate 200, while the length of the minor axis is substantially equal to the radial size of the aerosol forming substrate 200, so that surface contact can be formed between a major portion of the outer surface of a lateral side of the aerosol forming substrate 200 and the inside surface of the insertion passage 210, so as to prevent the aerosol forming substrate 200 from being compressed by the fixing tube 20, which results in deformation of the aerosol forming substrate 200.
  • the mounting section 22 is arranged at the first opening 211 of the fixing section 21 and has a cross section that is in an elliptical shape, and the shape and size of the cross section is corresponded to a shape and a size of a cross section of the inside of the top cover 10.
  • the mounting section 22 is provided, in the inside thereof, with a hollow compartment 221 having an opening.
  • the hollow compartment 221 has a top in which the opening is formed and the opening is in communication with the insertion opening 111 of the top cover 10 and is also in communication, by way of the first opening 211, with the insertion passage 210 of the fixing section 21.
  • the mounting section 22 and the fixing section 21 are integrally formed as one piece by means of casting or injection molding.
  • the mounting section 22 is connected, in a detachable manner, to the top cover 10 by means of an arrangement of connecting structure.
  • the mounting section 22 can be integrally formed with the top cover 10 as one piece.
  • the connecting structure comprises snap hooks 222 and snap slots 121.
  • the snap hooks 222 are arranged on a sidewall 122 of the mounting section 22 and are arranged as plural ones, and specifically, in some embodiments, the snap hooks 222 are plural, and the plural snap hooks 222 are arranged, at intervals, along the circumference of the sidewall 122.
  • the snap slots 121 are formed in the inner side of the top cover 10 and are adjacent to the top wall of the top cover 10, and may also be arranged as plural ones, and correspond to the snap hooks 222 and are snap-engageable with the snap hooks 222.
  • the top cover 10 is fit, along the mounting section 22 to the outer circumference of the fixing section 21, and the snap hooks 222 of the mounting section 22 are put into engagement with the snap slots 121 respectively.
  • the connecting structure when the top cover 10 is slid, the fixing tube 20 is simultaneously moved out.
  • the aerosol generating device may further comprise an outer tube 30.
  • the outer tube 30 is disposed inside the top cover 10 and is sleeved over and spaced to an outer circumference of the fixing tube 20,which is applied to isolate heat and to prevent thermal energy from directly transmitting to the top cover. The heat may make a temperature of the top cover excessively high to make a user hard to hold or uncomfortable.
  • the outer tube 30 forms, in combination with the fixing tube 20, a gas flow channel. In other embodiments, the outer tube 30 can be omitted.
  • the outer tube 30 is sleeved over the outer circumference of the fixing section 21, so as to, on the one hand, provide a heat isolation effect during heating, and, on the other hand, receive a residue generated through heating of the aerosol forming substrate 200.
  • the top cover 10 is slid out to simultaneously withdraw the fixing tube 10 from the outer tube 30, and then, the residue can be dumped out of the outer tube 30.
  • the outer tube 30 comprises a tubular body 31.
  • the tubular body 31 is sleeved over the outer circumference of the fixing section 21.
  • the tubular body 31 has an inside that is of a columnar form.
  • a shape and a size of a cross section of the outer tube 30 is corresponded, respectively, to the shape and size of the cross section of the fixing section 21.
  • the cross section of the outer tube 30 is generally of an elliptical shape.
  • a supporting wall 311 is provided at an end of the outer tube 30.
  • the supporting wall 311 is arranged at one end of the tubular body 31 and corresponds to the second opening 212 for supporting the aerosol forming substrate 200.
  • the supporting wall 311 is further formed with a through hole 3111, and a cross-sectional shape of the through hole 3111 is corresponded to a cross-sectional shape of the heating body 51 of the heating assembly 50.
  • the through hole 3111 is circular for receiving extension of the heating assembly 50 therethrough into the fixing tube 10, in order to ease insertion of the heating body 51 of the heating assembly 50 into the aerosol forming substrate 200.
  • the cross-sectional size of the through hole 3111 is smaller than the cross-sectional size of the second opening 212, in order to prevent the aerosol forming substrate 200 from extending out of the outer tube 30.
  • the supporting wall 311 is provided with a plurality of platforms 312 arranged thereon.
  • the plurality of platforms 312 are arranged at intervals.
  • the plurality of platforms 312 support the aerosol forming substrate 200.
  • the plurality of platforms 312 are integrally formed with the supporting wall 311 as one piece by means of injection molding or casting.
  • the outer tube 30 further comprises a first extended section 32 that is arranged at one side of the tubular body 31 and projects outward, and a second extended section 33 that is arranged at an end of the tubular body 31 and projects outward.
  • the first extended section 32 and the second extended section 33 are both slidable to snap-engage with the heating assembly 50, so that the outer tube 30, in the entirety thereof, is detachably connectable with the heating assembly 50.
  • the air flow channel is arranged in the inner side of a tube wall of the fixing tube 20 and the supporting wall 311, and is in communication with the first opening 211 and the second opening 212.
  • the air flow channel functions to receive external air to enter the aerosol forming substrate 200.
  • the air flow channel comprises first air flow channels 213 and second air flow channels 3112.
  • the first air flow channels 213 are arranged in the inner side of the tube wall of the fixing tube 20 and are in communication with the first opening 211, and are extended in a longitudinal direction of the fixing tube 20 toward the end away from the first opening 211, namely the second opening 212.
  • the first air flow channels 213 are arranged at two ends of the major axis and are formed by recessing portions of the tube wall of the fixing tube 20.
  • the first air flow channels 213 are respectively formed of recesses on the tube wall that are located at and correspond to the two ends of the major axis of the fixing section 21.
  • the second air flow channels 3112 are arranged in the supporting wall 311 and are in communication with the first air flow channels 213 and the second opening 212.
  • the second air flow channels 3112 are formed of spacings between two adjacent ones of the platforms 312.
  • the aerosol generating device further comprises a protection cover 40.
  • the protection cover 40 is slidably mounted on the top cover 10 and is selectively slid to block the insertion opening 111 when the aerosol forming substrate 200 is not yet inserted into the fixing tube 10, in order to prevent dusts from entering the fixing tube 10.
  • the protection cover 40 comprises a cover body 41.
  • the cover body 41 is disposed on the top wall 11 of the top cover 10, and is reciprocally slidable in a direction toward the insertion opening 111.
  • the top cover 10 is formed with a guide opening 112, and the guide opening 112 is set in communication with the insertion opening 111.
  • the guide opening 112 can be an elongated opening.
  • the cover body 41 is provided with a connection peg 411, and the connection peg 411 is inserted through the guide opening 112 into the top cover 10.
  • a slide block 42 is arranged in the hollow compartment 121 of the mounting section 12, and the slide block 42 is arranged to be slidable in a direction toward the insertion opening 111.
  • the connection peg 411 is connected to the slide block 42 and may drive the slide block 42 to slide.
  • An elastic element 43 is arranged between the slide block 42 and the sidewall of the mounting section 12. The elastic element 43 generates a spring force for easing sliding and position restoring of the slide block 42.
  • the heating assembly 50 comprises a heating body 51.
  • the heating body 51 perforates through the supporting wall 311 and extends through the second opening 212 to insert into the aerosol forming substrate 200.
  • the heating body 51 is of a form of a plate.
  • a width direction of the heating body 52 coincides a length direction of the minor axis.
  • the thickness direction of the heating body 52 is parallel to the major axis direction of the fixing section 21, so that the first air flow channels 213 are located at two opposite sides of the heating body 51 to allow a gas flow to more uniformly flow toward the two sides of the heating body 52 during heating of the aerosol forming substrate 200, thereby making heating by the heating body 52 more uniform and mouthfeel of the atomization gas tasting better.
  • the heating body 51 is not limited to be in the form of a plate and can be of a form of peg or a needle.
  • the heating assembly 50 further comprises a retaining frame 52.
  • the retaining frame 52 is configured for mounting the heating body 51 and is slidable to engage with the gas channel tube 20 and receives thetop cover 30 to fit thereto.
  • the retaining frame 52 comprises a sleeve body, and the sleeve body comprises a first sleeve section 521 and a second sleeve section 522.
  • the first sleeve section 521 and the second sleeve section 522 are arranged side by side in a transverse direction and are integrally formed as one piece.
  • the first sleeve section 521 and the second sleeve section 522 are integrally formed as one piece by means of injection molding or casting.
  • a control circuit board 60 is received and held inside of the first sleeve section 521.
  • the control circuit board 60 is connected with the heating assembly 50 to activate or deactivate the heating assembly 50.
  • a coupling section 5211 is arranged on a sidewall of the first sleeve section 521 that is adjacent to the second sleeve section 522.
  • the coupling section 5211 is arranged as a snap-connecting platform on the first sleeve section 521 and is snap-connectable with the first extended section 32 of the outer tube 30.
  • the first extended section 32 may define a sliding trough, and the sliding trough is snap-connected with the snap-connecting platform.
  • the retaining frame 52 further comprises a flange 523 matching the top cover 10. The flange 523 is arranged as being raised from an outer circumference of the first sleeve section 521, and is located at one end of the first sleeve section 521 that is distant from the second sleeve section 522.
  • the heating assembly 50 further comprises a supporting frame 53 mounted in combination with the retaining frame 52.
  • the retaining frame 52 is fit on the supporting frame 53.
  • the heating body 51 is disposed on the supporting frame 53.
  • the aerosol generating device further comprises an electricity supply assembly 70.
  • the electricity supply assembly 70 is mechanically and electrically connected with the heating assembly 50 to supply electricity to the heating assembly 50.
  • the electricity supply assembly 70 comprises a power supply casing 71 and a battery 72 arranged in the power supply casing 71.
  • the retaining frame 52 is arranged at an open end of the power supply casing 71.
  • An ON-OFF switch 711 is provided on the power supply casing 71, and the ON-OFF switch 711 is connected with the control circuit board 60.
  • the battery 72 is connected with the heating assembly 50 and supplies electricity to the heating assembly 50. Specifically, in some embodiments, the battery 72 is connected, by means of the control circuit board 60, to the heating assembly 50.
  • FIGS. 10 and 11 show an aerosol generating device according to a second embodiment of the present invention, which is different from the first embodiment in that the fixing tube 20 comprises circular internal tube wall 20a and external tube wall 20b.
  • the internal tube wall 20a is configured to receive the aerosol forming substrate 200 to insert therein.
  • a shape and size of the internal tube wall 20a match a shape and size of the aerosol forming substrate 200.
  • the external tube wall 20b is sleeved around the internal tube wall 20a, and the external tube wall 20b cooperates with the internal tube wall 20a to form the first air flow channel 213.
  • the internal tube wall 20a forms the fixing section 21 and the mounting section 22, and the internal tube wall 20a comprises a plurality of internal tube wall units 210a that are arranged at intervals and circumferentially enclose and define a columnar structure.
  • a cross section of the columnar structure may be circular in shape having a radial dimension that matches a radial dimension of the aerosol forming substrate 200.
  • the internal tube wall units 210a have one end connected to the mounting section 22.
  • a slit 214 is formed between two adjacent ones of the internal tube wall units 210a, and the slits 214 is in communication with the first opening 211 and the second opening 212.
  • the internal tube wall units 210a When the aerosol forming substrate 200 is inserted into the internal tube wall 20a, the internal tube wall units 210a is in contact with the aerosol forming substrate 200, and due to the slits 214, any two of the internal tube wall units 210a that are adjacent can apply a compressing force to the aerosol forming substrate 200, so as to deform the aerosol forming substrate 200.
  • the internal tube wall 20a is integrally formed with the top cover 10 as one piece, and of course, it is appreciated that in other embodiments, the internal tube wall 20a can be connected with the top cover 10 in a detachable manner.
  • the external tube wall 20b can be a metal tube, and specifically, the external tube wall 20b can be a stainless steel tube.
  • the external tube wall 20b and the internal tube wall 20a can be of a splitable structure.
  • the external tube wall 20b can be integrally formed with the internal tube wall 20a as one piece.
  • the external tube wall 20b can be of a hollow structure having two ends that are formed with openings and can be in a cylindrical form.
  • a cross-sectional size of the external tube wall 20b can be greater than a cross-sectional size of the internal tube wall 20a, so that spacing is present between the external tube wall 20b and the internal tube wall 20a.
  • the first air flow channel 213 is arranged in an inner side of the external tube wall 20b, and is located between the external tube wall 20b and the internal tube wall 20a as being formed by the spacing between the external tube wall 20b and the internal tube wall 20a.
  • the slits 214 are arranged to be in communication with the first air flow channel 213 to allow gas to flow into the first air flow channel 213.
  • the fixing tube 20 may further comprises linking sections 211a.
  • the linking sections 211a are arranged on the internal tube wall 20a, and, specifically, are arranged to be located on an outside wall of each of the internal tube wall units 210a and projecting from the outside walls of the internal tube wall units 210a.
  • the linking sections 211a are of a form of an elongate strip and are arranged to extend in a longitudinal direction of the internal tube wall units 210a for connecting the internal tube wall 20a and the external tube wall 20b and for mounting and positioning the external tube wall 20b.
  • FIG. 12 shows the aerosol generating device according to the second embodiment of the present invention, which is different from the first embodiment in that the heating body 51 is made in a form of a needle.
  • the heating body 51 comprises a cylindrical main section 511 and a sharp tip structure 512.
  • the sharp tip structure 512 is arranged at one end of the main section 511 to allow the heating body 51 to easily insert into the aerosol forming substrate 200.
  • the sharp tip structure 512 can be of a conical form.
  • the aerosol forming substrate 200 can be withdrawn, through rotating thereof, from the second opening 212 toward the first opening 211 to be separated from the heating body 51 so as to facilitate removal and replacement of the aerosol forming substrate 200.
  • FIG. 13 shows an aerosol generating device according to a third embodiment of the present invention, which is different from the first embodiment in that the fixing tube 20 is provided, at the end thereof that is distant from the first opening 211, with a bottom wall 24, and the first air flow channel 213 is arranged to extend from the first opening of the fixing tube 20 toward an end that is distant from the first opening, namely arranged to extend toward the bottom wall 24, and then curves to extend from the bottom of the aerosol forming substrate 200 into the aerosol forming substrate.

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  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
EP21838681.1A 2020-07-07 2021-02-22 Dispositif de génération d'aérosol Pending EP4179901A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010645069.5A CN111972712A (zh) 2020-07-07 2020-07-07 气溶胶产生装置
PCT/CN2021/077279 WO2022007410A1 (fr) 2020-07-07 2021-02-22 Dispositif de génération d'aérosol

Publications (2)

Publication Number Publication Date
EP4179901A1 true EP4179901A1 (fr) 2023-05-17
EP4179901A4 EP4179901A4 (fr) 2024-03-27

Family

ID=73438407

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21838681.1A Pending EP4179901A4 (fr) 2020-07-07 2021-02-22 Dispositif de génération d'aérosol

Country Status (5)

Country Link
EP (1) EP4179901A4 (fr)
JP (1) JP2023533282A (fr)
KR (1) KR20230038147A (fr)
CN (1) CN111972712A (fr)
WO (1) WO2022007410A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111420620A (zh) * 2020-04-21 2020-07-17 深圳麦时科技有限公司 气溶胶产生装置
CN111972712A (zh) * 2020-07-07 2020-11-24 深圳麦时科技有限公司 气溶胶产生装置
CN214486820U (zh) * 2020-12-01 2021-10-26 深圳市卓力能技术有限公司 一种气流通道结构及气溶胶发生装置
CN113508926A (zh) * 2021-06-24 2021-10-19 深圳麦时科技有限公司 气溶胶产生装置
WO2023204626A1 (fr) * 2022-04-20 2023-10-26 주식회사 이엠텍 Article à fumer et dispositif de génération d'aérosol pour le chauffer
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