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WO2020258148A1 - Vaporisateur personnel - Google Patents

Vaporisateur personnel Download PDF

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Publication number
WO2020258148A1
WO2020258148A1 PCT/CN2019/093243 CN2019093243W WO2020258148A1 WO 2020258148 A1 WO2020258148 A1 WO 2020258148A1 CN 2019093243 W CN2019093243 W CN 2019093243W WO 2020258148 A1 WO2020258148 A1 WO 2020258148A1
Authority
WO
WIPO (PCT)
Prior art keywords
air passage
vaporiser
personal
personal vaporiser
liquid
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.)
Ceased
Application number
PCT/CN2019/093243
Other languages
English (en)
Inventor
Winghan WONG
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.)
Hang Shun Hing Co Ltd
Original Assignee
Hang Shun Hing 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 Hang Shun Hing Co Ltd filed Critical Hang Shun Hing Co Ltd
Priority to PCT/CN2019/093243 priority Critical patent/WO2020258148A1/fr
Publication of WO2020258148A1 publication Critical patent/WO2020258148A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • A24F40/44—Wicks
    • 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
    • A24F40/10—Devices using liquid inhalable precursors

Definitions

  • the present invention relates to personal vaporisers.
  • a personal vaporiser is a cordless hand-held device that vaporises a liquid for inhalation.
  • a personal vaporiser used for nicotine delivery is also sometimes referred to as an electronic cigarette, or e-cigarette, but personal vaporisers are also used for medicinal inhalation.
  • a personal vaporiser is described in US20170325510A1 and includes a vaporiser with a porous ceramic is supplied with the liquid directly from reservoir. It is an object of the present invention to address the need to better maintaining vaporiser efficiency, or more generally, to provide an improved personal vaporiser.
  • a personal vaporiser comprising a housing enclosing an air passage communicating with a mouthpiece through which a vapour is inhaled;
  • a reservoir disposed within the housing for holding a liquid
  • a vaporiser comprising a heating element embedded in a body of porous material permeable to the liquid, the body of porous material having an inner surface and an opposing outer surface, the inner surface bounding at least a portion of the air passage;
  • a power source disposed within the housing for providing power to the heating element.
  • the flow control device is a wick with a first major surface abutting the bulkhead and a second major surface abutting the outer surface of the body of porous material, and the liquid pathway comprises an aperture in the bulkhead.
  • the flow control device may comprise one or more metering orifices.
  • the wick is substantially flat, with the first and second major surfaces disposed on opposing sides, a first planar interface on the bulkhead abuts the first major surface, a second planar interface on the body of porous material abuts the second major face.
  • the air passage passes through the body of porous material.
  • the body of porous material comprises a tubular portion through which the air passage passes and a flange portion integral with the tubular portion, the flange portion comprising the second planar interface.
  • the flange portion projects from an external surface of the tubular portion and is axially coextensive with the tubular portion.
  • the electric heating element is wound in a helix substantially coaxial with an axis of the tubular portion.
  • the vaporiser comprises a pair of parallel flange portions joined by a flat web portion to bound the air passage on three sides.
  • the electric heating element may be embedded in the flat web portion and wound in a flat spiral.
  • the web portion is linearly aligned with the air inlet.
  • the housing is an assembly, comprising a first elongate housing part holding a vaporiser sub-assembly and an second elongate housing part connected end-to-end, wherein the first elongate housing part comprises the reservoir and vaporiser and the second elongate housing part comprises the power source.
  • an air inlet and the mouthpiece are generally coaxial, and disposed at longitudinally opposing ends of the first elongate housing part.
  • the first elongate housing part defines a cavity that tapers longitudinally to narrow from a first end to an opposing second end, wherein the first end is closed by the bulkhead to define the reservoir, and a hollow section of the first elongate housing part extends axially through the cavity to define a first axial length of the air passage.
  • the mouthpiece is formed by a cap extending over the first elongate housing part, and wherein
  • a first transverse length of the air passage extends from an outlet end of the first axial length of the air passage and is bounded between the first elongate housing part and the mouthpiece, and
  • a second transverse length of the air passage extends through the vaporiser to join an inlet end of the first axial length of the air passage, such that the air passage comprises a first dogleg between the first transverse length and the first axial length, a second dogleg between the first axial length and the second transverse length, and a third dogleg between the second transverse length and the air inlet.
  • a lower portion of the vaporising assembly comprises a magnet for removably connecting the vaporising assembly to the a battery module.
  • the vaporiser further comprises a check valve in the air passage that permits air to be drawn into the air passage and prevents a reverse flow of the liquid from the air passage.
  • the check valve may be a duckbill valve.
  • the porous material may be a ceramic.
  • This invention provides an personal vaporiser which can effectively prevent liquid leakage out of the personal vaporiser, and moreover it has a simple and compact overall design which minimizes manufacturing costs.
  • Figure 1 is a perspective view of an personal vaporiser according to an embodiment of the present invention.
  • Figure 2 is an exploded view of the personal vaporiser of Figure 1;
  • Figure 3 is a perspective view of a vaporising assembly of the personal vaporiser of Figure 1;
  • Figure 4 is an exploded view of the vaporising assembly of the personal vaporiser of Figure 3;
  • Figure 5 is an exploded view of a vaporiser according to one embodiment of the present invention.
  • Figure 6 is an exploded view of a vaporiser according to another embodiment of the present invention.
  • a personal vaporiser 10 comprises a vaporiser sub-assembly 11 connected to one longitudinal end of a battery module 16.
  • a coupling connecting the vaporiser sub-assembly 11 and battery module 16 end-to-end in this manner may comprise magnets 12, 13 fixed in one end of a housing part 21 of the sub-assembly 11, opposite the mouthpiece 26, for engagement with a ferromagnetic counter strip fixed in the battery module 16.
  • This coupling facilitates ready exchange of the vaporising sub-assemblies 11.
  • the battery module 16 may comprises a chassis 19 that supports a circuit board 63 and battery 52 which are together enclosed by a cooperating housing part 17 and end cap 20.
  • the housing part 21 of the vaporiser sub-assembly 11 is elongate and serves to hold the vaporiser and define the internal air passageway that extends from an air inlet 22 to an air outlet 23 in the mouthpiece 26.
  • the air inlet 22 and air outlet 23 are generally coaxial and disposed at longitudinally opposing ends 24, 25 of the first elongate housing part 21.
  • the mouthpiece 26 is mounted over the first elongate housing part 21.
  • the vaporiser sub-assembly 11 further comprises a reservoir 28, partially within the housing part 21, for holding a liquid such as a nicotine-containing e-liquid, and a vaporiser 29 for vaporising the liquid.
  • a bulkhead 30 closes an axial end 31 of the reservoir 28, and a wick 32 liquid flow control device is sandwiched between the bulkhead 30 and the vaporiser 29.
  • a check valve 33 in the air passage 27 permits air to be drawn into the air passage 27 and prevents a reverse flow of the liquid from the air passage 27 (i.e. liquid leakage) .
  • the check valve 33 may be a duckbill valve disposed at the air outlet 23.
  • the vaporiser 29 comprises an electric heating element 41 embedded in a body of porous material permeable to the liquid.
  • the two ends 42, 43 of the heating element 41 engage with respective contacts 44, 45 of the battery module 16.
  • the air passage 27 passes through the body of porous material of vaporiser 29, and may surround at least a portion of the air passage 27, with an inner surface 46 of the vaporiser 29 being thereby exposed to the air stream.
  • the porous material which preferably a ceramic, allows permeation of the liquid from the outer surface 35 to wet the inner surface 46 exposed to the air stream.
  • the bulkhead 30 extends generally transversely and comprises apertures 34 that provide a liquid pathway connecting the reservoir 28 and an outer surface 35 of the vaporiser 29.
  • the bulkhead 30 may further comprise an opening 36 that defines a portion of the air passage 27.
  • the wick 32 which, in preferred embodiments, comprises a flat textile with opposing major surfaces 37, 38.
  • a first planar interface 39 is provided between the bulkhead 30 and the wick 32
  • a second planar interface 40 is provided between the wick 32 and the outer surface 35 of the vaporiser 29 and the four edges of the wick 32 are bounded within the housing part 21.
  • the axially-stacked arrangement of the bulkhead in the housing part 21, the wick 32 on the bulkhead 30 and the vaporiser 29 on the wick provides a simple assembly technique but also provides a compact device.
  • the vaporiser 29 may comprise a tubular portion 47 through which the air passage 27 extends, as with the axis of the tubular portion 47 extending transversely relative to the axis of the housing part 21.
  • the vaporiser 29 further comprises a flange portion 48 on which the outer surface 35 is disposed, and which is integral with the tubular portion.
  • the flange portion 48 may have a generally rectangular prismatic form extending tangentially to the tubular portion 47 to projects from an external surface of the tubular portion 47 while being axially coextensive with the tubular portion 47.
  • the electric heating element 41 is embedded in the tubular portion 47 and is wound in a helix coaxial with an axis of the tubular portion 47.
  • the outer surface 35 of the flange portion 48 is arranged to abut the major face 38 of the wick 32.
  • the outer surface 35 provides a large contact surface to receive and absorb the liquid from the wick 32. Good vaporisation efficiency is achieved by the relatively large area that is at elevated temperature, exposed to the air stream and wetted.
  • the vaporiser 29 comprises a pair of parallel flange portions 49 joined by a flat web portion 50 which is linearly aligned with the air inlet 22.
  • the inner surfaces 46 of the parallel flange portions 49 and the flat web portion 50 define a portion of the air passage 27.
  • the electric heating element 41 is embedded in the flat web portion 50 and is wound in a flat spiral.
  • the two ends 42, 43 of the electric heating element 41 extend from the inner surface 46 of the flat web portion 50 to connect to the respective electrodes 44, 45.
  • the first elongate housing part 21 may define a cavity 51 with a closed end 52 and an axially opposing end 53, wherein the closed end 52 is closed by the bulkhead 30 to form the reservoir.
  • a hollow section of the first elongate housing part 21 may extend axially through the cavity 51 to define a first axial length 54 of the air passage 27 adjacent the reservoir 28.
  • the air passage 27 may comprise a first transverse length 55 extending from an outlet end 56 of the first axial length 54 and is bounded between the first elongate housing part 21 and the mouthpiece 26, and a second transverse length 57 extending through the vaporiser 29 to join an inlet end 58 of the first axial length 54, such that the air passage 27 comprises a first dogleg 59 between the first transverse length 55 and the first axial length 54, a second dogleg 60 between the first axial length 54 and the second transverse length 57, and a third dogleg 61 between the second transverse length 57 and the air inlet 22.
  • the doglegs in the air passage 27 provide a tortuous passage that slows and disperses the liquid over the internal surfaces as it travels toward the mouthpiece, ensuring the user cannot draw in any amount of escaped liquid while it remains in liquid form.
  • the a battery module 16 may comprises a rechargeable battery 62 for providing power to heat up the electric heating element 41.
  • An inlet extension member 65 may be disposed on one side of the a battery module 16 to provide an extended air passage 64 between the atmosphere and the air inlet 22.
  • the extended air passage 64 is in fluid communication with the air passage 27 in the vaporiser sub-assembly 11.
  • An outlet 66 of the inlet extension member 65 is connected to the air inlet 22 on the vaporiser sub-assembly 11.
  • An inlet 67 of the inlet extension member 65 is arranged in a plane perpendicular to a plane of the air inlet 22, and may comprises an air switch 68 to switch on the personal vaporiser 10 upon inhalation by the user.
  • the extended air passage 64 in this embodiment is configured to guide incoming air through four turnings before entering the air inlet 22.
  • such configuration helps to lengthen the time of the incoming air staying in the extended air passage 64 so that the incoming air can be warmed up by the heat producing from the power source 62 and the electric heating element 41. This helps to improve the experience of the user especially when the personal vaporiser 10 is used under cold weather.
  • the user inhales air by his mouth through the air outlet 23 on the mouthpiece 26 on the personal vaporiser 10.
  • This creates a negative pressure in the air passage 27 and the extended air passage 64, which triggers the air switch 68 to switch on the personal vaporiser 10 to heat up the electric heating element 41.
  • the heat produced by the electric heating element 41 vaporises the liquid that permeates the porous structure of the body of the vaporiser 29 to form liquid vapour.
  • the inhalation action of the user draws incoming air from the inlet 67 of the inlet extension member 65, through the check valve 33 and to the vaporiser 29, where the incoming air mixes with the liquid vapour.

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  • Catching Or Destruction (AREA)

Abstract

L'invention concerne un vaporisateur personnel (10) comprenant : un boîtier (21) entourant un passage d'air (27) ; un réservoir (28) disposé dans le boîtier (21) pour contenir un liquide ; un vaporisateur (29) comprenant un élément chauffant (41) intégré dans un corps de matériau poreux perméable au liquide, le corps de matériau poreux ayant une surface interne (46) et une surface externe opposée (35), la surface interne (46) délimitant au moins une partie du passage d'air ; une cloison (30) qui ferme une extrémité axiale du réservoir (28) ; un trajet de liquide à travers la cloison (30) reliant le réservoir (28) à la surface externe (35) du corps de matériau poreux ; un dispositif de régulation d'écoulement dans le trajet de liquide pour réguler l'écoulement du liquide. Le vaporisateur personnel (10) peut empêcher une fuite de liquide et une aspiration accidentelle de liquide dans la bouche d'un utilisateur.
PCT/CN2019/093243 2019-06-27 2019-06-27 Vaporisateur personnel Ceased WO2020258148A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/093243 WO2020258148A1 (fr) 2019-06-27 2019-06-27 Vaporisateur personnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/093243 WO2020258148A1 (fr) 2019-06-27 2019-06-27 Vaporisateur personnel

Publications (1)

Publication Number Publication Date
WO2020258148A1 true WO2020258148A1 (fr) 2020-12-30

Family

ID=74061291

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/093243 Ceased WO2020258148A1 (fr) 2019-06-27 2019-06-27 Vaporisateur personnel

Country Status (1)

Country Link
WO (1) WO2020258148A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023005990A1 (fr) * 2021-07-30 2023-02-02 深圳麦克韦尔科技有限公司 Module de chauffage et appareil d'atomisation électronique

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105054299A (zh) * 2015-07-21 2015-11-18 深圳睿思奇科技开发有限公司 无异味电子烟制备及使用方法、无异味雾化装置制备方法
CN105310111A (zh) * 2014-07-30 2016-02-10 葛宇 电子烟
JP2016117058A (ja) * 2014-12-17 2016-06-30 株式会社いけうち ノズル
US20160263595A1 (en) * 2015-03-13 2016-09-15 Hong Kun Shin Micro fogging device and method
CN205962842U (zh) * 2016-07-29 2017-02-22 深圳市合元科技有限公司 用于电子烟的加热装置及电子烟雾化器
CN206025228U (zh) * 2016-09-20 2017-03-22 湖南中烟工业有限责任公司 一种可调烟油量的雾化器及其电子烟
CN107692319A (zh) * 2017-10-18 2018-02-16 深圳市新宜康电子技术有限公司 沉浸式供油电子烟及其工作方法
CN108095197A (zh) * 2018-01-03 2018-06-01 云南中烟工业有限责任公司 一种具有mems微泵的电子烟

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105310111A (zh) * 2014-07-30 2016-02-10 葛宇 电子烟
JP2016117058A (ja) * 2014-12-17 2016-06-30 株式会社いけうち ノズル
US20160263595A1 (en) * 2015-03-13 2016-09-15 Hong Kun Shin Micro fogging device and method
CN105054299A (zh) * 2015-07-21 2015-11-18 深圳睿思奇科技开发有限公司 无异味电子烟制备及使用方法、无异味雾化装置制备方法
CN205962842U (zh) * 2016-07-29 2017-02-22 深圳市合元科技有限公司 用于电子烟的加热装置及电子烟雾化器
CN206025228U (zh) * 2016-09-20 2017-03-22 湖南中烟工业有限责任公司 一种可调烟油量的雾化器及其电子烟
CN107692319A (zh) * 2017-10-18 2018-02-16 深圳市新宜康电子技术有限公司 沉浸式供油电子烟及其工作方法
CN108095197A (zh) * 2018-01-03 2018-06-01 云南中烟工业有限责任公司 一种具有mems微泵的电子烟

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023005990A1 (fr) * 2021-07-30 2023-02-02 深圳麦克韦尔科技有限公司 Module de chauffage et appareil d'atomisation électronique

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