WO2022236822A1 - Dispositif d'atomisation électronique et son atomiseur - Google Patents

Dispositif d'atomisation électronique et son atomiseur Download PDF

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Publication number
WO2022236822A1
WO2022236822A1 PCT/CN2021/093903 CN2021093903W WO2022236822A1 WO 2022236822 A1 WO2022236822 A1 WO 2022236822A1 CN 2021093903 W CN2021093903 W CN 2021093903W WO 2022236822 A1 WO2022236822 A1 WO 2022236822A1
Authority
WO
WIPO (PCT)
Prior art keywords
insulating part
atomizer
conductive
atomizer according
conductive structure
Prior art date
Application number
PCT/CN2021/093903
Other languages
English (en)
Chinese (zh)
Inventor
陈受浩
Original Assignee
深圳麦克韦尔科技有限公司
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 深圳麦克韦尔科技有限公司 filed Critical 深圳麦克韦尔科技有限公司
Priority to PCT/CN2021/093903 priority Critical patent/WO2022236822A1/fr
Priority to US17/739,432 priority patent/US20220361575A1/en
Priority to CA3158970A priority patent/CA3158970A1/fr
Publication of WO2022236822A1 publication Critical patent/WO2022236822A1/fr

Links

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
    • A24F40/46—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
    • A24F40/40—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
    • A24F40/42—Cartridges or containers for inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/48—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
    • A24F40/10—Devices using liquid inhalable precursors

Definitions

  • the present invention relates to an atomizing device, more specifically, to an electronic atomizing device and its atomizer.
  • the electronic atomization device has become a relatively mature substitute in the market, which atomizes the liquid matrix in the atomizer through the heating element of the battery to form an aerosol that is harmless to the human body; the atomizer acts as an electronic atomizer
  • the core components of the electronic atomization device play a vital role in the performance of the electronic atomization device.
  • the atomizer in order to ensure the electrical connection between the atomizer and the power supply device, the atomizer will include a connection component, which is a separate structure from the atomization shell, and the existing atomization device is Holes are drilled on the electrical insulation part of the connecting components, resulting in many assembly parts of the atomizer, complicated assembly, complicated hole drilling process, and high manufacturing cost.
  • the technical problem to be solved by the present invention is to provide an improved electronic atomization device and its atomizer.
  • the technical solution adopted by the present invention to solve the technical problem is to construct an atomizer, including an atomizing shell, a first conductive structure and a second conductive structure electrically connected to the power supply assembly, the atomizing shell includes a hollow body , and an insulating part provided at one end of the body; the insulating part is integrally formed with the body; the first conductive structure and the second conductive structure are insulated through the insulating part; the body and the An air inlet is provided at the insulation part or at the joint of the insulation part.
  • the body and the insulating part are integrally formed by injection molding.
  • the body is a first pipe section
  • the insulating part is a second pipe section arranged at one end of the first pipe section and communicating with the first pipe section.
  • the outer diameter of the first pipe section is larger than the outer diameter of the second pipe section.
  • the air inlet is arranged on the end surface of the first pipe section facing the second pipe section.
  • the insulating part is tubular
  • the first conductive structure is disposed on the outer wall of the insulating part.
  • the first conductive structure is a conductive sleeve sleeved on the insulating part.
  • the inner wall of the conductive sleeve is provided with a rib that cooperates with the insulating part
  • the outer wall of the first conductive structure is provided with an external thread connected with the power supply component.
  • the insulating part is tubular
  • the second conductive structure is disposed on the inner sidewall of the insulating part.
  • the second conductive structure is a conductive ring.
  • the atomizer further includes an atomization assembly disposed in the body;
  • the atomizer also includes a first conductive connection part and a second conductive connection part electrically connecting the atomization component and the power supply component.
  • the insulating part is provided with a first guiding groove for guiding the first conductive connecting member.
  • the insulating part is provided with a second guiding groove for guiding the second conductive connecting member.
  • the atomization assembly includes an atomization core and a heating element disposed on the atomization core; both ends of the first conductive connector and the second conductive connector are connected to the heating element.
  • the body is a hollow structure with both ends penetrating, and a liquid storage cavity is formed inside the body.
  • the nebulizer further includes a vent pipe pierced in the body;
  • a space is left between the vent pipe and the inner side wall of the body to form a liquid storage cavity.
  • a limiting flange is provided in the body to limit the ventilation pipe
  • the limiting flange is arranged close to the insulating part.
  • the atomizer further includes a liquid absorbing structure disposed in the body and close to the insulating part;
  • the atomizer further includes a suction nozzle assembly inserted into the body from an end away from the insulating part.
  • the present invention also constructs an electronic atomization device, including the atomizer described in the present invention, and a power supply assembly connected with the atomizer.
  • the electronic atomization device and its atomizer implementing the present invention have the following beneficial effects: the atomizer is provided by integrally molding the body of the atomization shell and the insulating part that insulates the first conductive structure and the second conductive structure , and an air inlet is provided at the junction of the body and the insulating part or on the insulating part, thereby simplifying assembly parts, improving assembly efficiency and saving costs.
  • Fig. 1 is a schematic structural diagram of an electronic atomization device in some embodiments of the present invention.
  • Fig. 2 is an exploded schematic diagram of a partial structure of the electronic atomization device shown in Fig. 1;
  • Fig. 3 is an exploded schematic diagram of the structure of the atomizer of the electronic atomization device shown in Fig. 2;
  • Fig. 4 is a cross-sectional view of the atomizer of the electronic atomization device shown in Fig. 2;
  • Fig. 5 is a cross-sectional view from another angle of the atomizer of the electronic atomization device shown in Fig. 4;
  • Fig. 6 is a schematic structural view of the atomization shell of the atomizer shown in Fig. 3;
  • Fig. 7 is a sectional view of the atomizing shell of the atomizer shown in Fig. 6;
  • Fig. 8 is a structural schematic diagram of the first conductive structure of the atomizer shown in Fig. 3 .
  • Figure 1 and Figure 2 show some preferred embodiments of the electronic atomization device of the present invention.
  • the electronic atomization device includes an atomizer A and a power supply component B; the atomizer A can be used to heat the atomizing medium.
  • the power supply component B can be connected with the atomizer A mechanically and/or electrically, and can provide electric energy to the atomizer A.
  • the atomizer A may be roughly cylindrical. Of course, it is understandable that in some other embodiments, the atomizer A is not limited to being cylindrical.
  • the atomizer A may include an atomization shell 10 , an air pipe 20 , an atomization assembly 30 , a first conductive structure 40 and a second conductive structure 50 .
  • the atomizing shell 10 can be used for accommodating the air pipe 20 and the atomizing assembly 30 .
  • the ventilation pipe 20 can be arranged in the atomization shell 10 and can be used to output the atomized gas formed after atomization.
  • the atomizing component 30 can be arranged in the air pipe 20 and can be used for heating and atomizing the liquid atomizing medium.
  • the first conductive structure 40 can be disposed on the atomizing shell 10 and can be electrically connected with the atomizing component 30 and the power supply component B.
  • the second conductive structure 50 is disposed on the atomizing shell 10 and can be electrically connected to the atomizing component 30 and the power supply component B. As shown in FIG.
  • the atomizing shell 10 may include a main body 11 and an insulating part 12 .
  • the main body 11 can be used for accommodating the air pipe 20 and the atomizing assembly 30 .
  • the insulating part 12 can be disposed at one end of the body 11 and can be used for connecting with the power supply component B, specifically, the insulating part 12 can be mechanically connected with the power supply component B.
  • the insulating part 12 can be integrally formed with the body 11 , which simplifies assembly parts, improves assembly efficiency and saves cost.
  • the atomizing shell 10 can be an injection molding part, and the body 11 and the insulating part 12 can be integrally formed by injection molding.
  • the atomizing shell 10 and the insulating part are not limited to being integrally formed by injection molding, but can be integrally formed by sintering or casting.
  • the body 11 may be a hollow structure with both ends penetrating.
  • the body 11 can be in the shape of a round tube, which can form the first tube segment 110 .
  • the main body 11 can also be provided with a slot 112 for inserting the air pipe 12, the slot 112 can be arranged at one end of the liquid storage chamber 111, and the inner diameter of the slot 112 can be matched with the first air pipe section of the air pipe 20. 21 to match the outer diameter.
  • a limiting flange 113 can be disposed in the body 11 , and the limiting flange 113 can be located at one end of the slot 112 and disposed close to the insulating portion 12 .
  • the limiting flange 113 can be annular, and can be used for installing a limiting on the vent pipe 20 . When the air pipe 20 is installed, one end surface of the air pipe 20 can abut against the limiting flange 113 .
  • an opening 114 may be provided at an end of the body 11 away from the insulating portion 12 , and the opening 114 may be used for installing the suction nozzle assembly 70 .
  • the insulating part 12 can be in the shape of a round tube, and can form a second tube segment 120 , which can be disposed at one end of the first tube segment 110 and communicate with the first tube segment 110 .
  • the insulating part 12 can be directly inserted on the power supply component B, and mechanically connected with the power supply component B.
  • other connection structures may also be provided on the insulating part 12 to be mechanically and/or electrically connected to the power supply component B.
  • the outer diameter of the second pipe section 120 may be smaller than the outer diameter of the first pipe section 110 .
  • a first guide groove 121 and a second guide groove 122 may be provided on the insulating portion 12; 12 extends axially to the end of the insulating portion 12, and then turns back from the end of the insulating portion 12 along the outer wall of the insulating portion 12 toward the end where the insulating portion 12 connects with the body 11.
  • the first guide The slot 121 is used to guide the first conductive connecting element 33 .
  • the second guiding groove 122 is a strip-shaped groove that can extend along the axial direction of the insulating portion 12 , and can be disposed opposite to the first guiding groove 121 to guide the second conductive connector 34 .
  • an air inlet 13 may be provided at the joint between the body 11 and the insulating part 12, and the air inlet 13 may be a circular through hole, and the air inlet 13 may be provided at the first On the end surface of the pipe section 110 facing the second pipe section 120, by setting the air inlet 13 on the end surface of the first pipe section 110 facing the second pipe section 120, the drilling process can be simplified and the cost can be saved; compared with the original structure , can reduce the condensate clogging the air inlet 13.
  • the air inlet 13 is not limited to be opened at the junction of the body 11 and the insulating portion 12 , and can also be disposed on the side wall of the insulating portion 12 .
  • the two air inlets 13 may be arranged symmetrically along the radial direction of the insulating part 12.
  • the The gas ports 13 are not limited to two.
  • the vent pipe 20 can be arranged along the axial direction of the atomizing shell 10 .
  • the ventilation pipe 20 may include a first ventilation pipe section 21 and a second ventilation pipe section 22; the first ventilation pipe section 21 and the second ventilation pipe section 22 are cylindrical, and the radial direction of the first ventilation pipe section 21 The size may be larger than the radial size of the second vent pipe section 22 .
  • the inner side of the first ventilation pipe section 21 can form an atomizing cavity, which can accommodate the atomizing assembly 30 therein.
  • a liquid inlet hole 211 can be provided on the side wall of the first ventilation pipe section 21, and the liquid inlet hole 211 can communicate with the liquid storage chamber 111 and the atomization assembly 30, so that the liquid medium in the liquid storage chamber 11 can be conveniently into the atomization assembly 30.
  • the second ventilation tube section 22 can be extended toward the opening 114 , and the second ventilation tube 22 is an elongated structure, which can be used to output the atomized gas formed after atomization.
  • the first ventilation tube section 21 and the second ventilation tube section 22 can be integrally formed. In some embodiments, the first ventilation pipe section 21 and the second ventilation pipe section 22 can be integrally formed by casting.
  • the atomizing assembly 30 may include an atomizing core 31 and a heating element 32; the atomizing core 31 may be a liquid-absorbing cotton, which may be in a cylindrical shape, and there is a through hole in the middle. hole.
  • the atomizing core 31 is not limited to absorbent cotton, and in some other embodiments, the atomizing core 31 can also be a ceramic porous body.
  • the heating element 32 can be a spiral heating wire, which can be arranged in the through hole of the atomizing core 31 , and can be used to heat and atomize the liquid atomizing medium in the atomizing core 31 .
  • the heating element 32 is not limited to a heating wire.
  • the atomizer may further include a first conductive connection part 33 and a second conductive connection part 34 .
  • the first conductive connecting piece 33 and the second conductive connecting piece 34 can be used to electrically connect the heating element 32 of the atomization assembly 30 with the power supply assembly B, so that the power supply assembly B can supply power to the heating element 32 .
  • the first conductive connector 33 can be a first lead wire, one end of the first conductive connector 33 can be connected to the heating element 32, and the other end can be connected to the heating element 32 through the first guide groove.
  • 121 leads to the first conductive structure 40 , is electrically connected to the first conductive structure 40 , and is further electrically connected to the power supply component B.
  • the second conductive connector 34 can be a second lead, one end of the second conductive connector 34 can be connected to the heating element 32 , and the other end can be guided through the second guide groove 122 To the second conductive structure 50 , electrically connected to the second conductive structure 50 , and then electrically connected to the power supply component B.
  • the first conductive structure 40 can be disposed on the outer side wall of the insulating part 12 , which can not only connect the atomization component A with the The power supply component B is electrically connected, and the insulating part 12 can be mechanically connected to the power supply component B.
  • the first conductive structure 40 can be a conductive sleeve, and the conductive sleeve can be sleeved on the insulating portion 12 .
  • the conductive sleeve can be a conductive metal sleeve, and in some embodiments, the conductive sleeve can be connected and fixed with the power supply component B through an interference fit.
  • the conductive sleeve is not limited to be connected with the power supply component B through an interference fit.
  • the conductive sleeve may include a sleeve body 41 and an external thread 42 , and the sleeve body 41 may be columnar and a hollow structure with both ends penetrating.
  • the external thread 42 can be provided on the outer wall of the first conductive structure 40, specifically, in some embodiments, the external thread 42 can be provided at the lower part of the sleeve 41 and located on the outer wall of the sleeve 41, By providing the external thread 42 , the first conductive structure 40 can be screwed to the power supply component B, so as to facilitate the disassembly and assembly of the atomizer A and the power supply component B. Understandably, in some other embodiments, the first conductive structure 40 is not limited to be a conductive sleeve.
  • the inner wall of the conductive sleeve can be provided with ribs 411, and the ribs 411 can be strip-shaped, and can protrude from the inner wall of the conductive sleeve along the radial direction of the conductive sleeve, and can be connected with the insulating part. 12, it can be in contact with the insulating part 12, limit the position of the insulating part 12 and improve the stability of cooperation with the insulating part 12.
  • there may be a plurality of ribs 411 and the plurality of ribs 411 may be arranged at intervals along the circumferential direction of the conductive sleeve. Specifically, in some embodiments, the plurality of ribs 411 may be arranged at intervals along the circumferential direction of the sleeve body 41 .
  • the first conductive structure 40 and the second conductive structure 50 can be insulated by the insulating part 12 .
  • the second conductive structure 50 can be disposed on the inner sidewall of the insulating portion 12 and can be used for conductively connecting the atomizing component 30 and the power supply component B.
  • the second conductive structure 50 can be a conductive ring, and the outer diameter of the conductive ring can match the inner diameter of the second pipe segment 120 .
  • the second conductive structure 50 can be attached to the inner wall of the second tube section 120.
  • Components B are in contact, thereby forming a conductive connection.
  • the conductive ring can be made of metal conductive material.
  • the second conductive structure 50 is not limited to a conductive ring, but can be a conductive coating coated on the end surface of the inner wall of the second pipe section 120 that can be connected to the power supply component B .
  • the atomizer may further include a liquid absorbing structure 60 , and the liquid absorbing structure 60 may be disposed in the body 11 and disposed close to the insulating portion 12 .
  • the liquid-absorbing structure 60 can be disposed at the end of the ventilation tube 20 connected with the limiting flange 113 of the body 11 , and located in the body 11 .
  • the liquid-absorbent structure 60 can be liquid-absorbent cotton, which can be used to absorb the leakage or condensate in the vent pipe 20 .
  • the atomizer further includes a nozzle assembly 70; the nozzle assembly 70 can be inserted into the body 11 from the opening 114 provided at the end of the body 11 away from the insulating part 12, in some embodiments Among them, the nozzle assembly 70 can be a nozzle plug, and the nozzle assembly 70 includes a plugging portion 71 and a matching portion 72 arranged at one end of the plugging portion 71; the plugging portion 71 can be cylindrical, and the plugging portion The radial dimension of the portion 71 can match the radial dimension of the main body 11 , can be inserted into the main body 11 from the opening 114 , and can be fixed with the main body 11 through interference fit.
  • the matching portion 72 may be circular, and its radial dimension may be larger than that of the plugging portion 71 .
  • the suction nozzle assembly 70 may further include an air outlet hole 73 , which may be arranged along the axial direction of the plugging portion 71 and the matching portion 72 , and communicate with the vent pipe 20 for outputting atomized gas.
  • the atomizer also includes a sealing structure 80, which can be a silicone sealing sleeve, which can be sleeved on the second ventilation pipe segment 22 of the ventilation pipe 20, and can be connected with The suction nozzle assembly 70 is in sealing contact.
  • a sealing structure 80 can be a silicone sealing sleeve, which can be sleeved on the second ventilation pipe segment 22 of the ventilation pipe 20, and can be connected with The suction nozzle assembly 70 is in sealing contact.
  • the atomizer can further include a decoration ring 90 , which can be sleeved on the body 11 and can be disposed close to the insulating part 12 .
  • the decorative ring 90 can be a metal ring.
  • the decorative ring 90 is not limited to a metal ring. In some other embodiments, the decorative ring 90 can be omit.

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  • Catching Or Destruction (AREA)
  • Electrostatic Spraying Apparatus (AREA)

Abstract

L'invention concerne un dispositif d'atomisation électronique et son atomiseur. L'atomiseur comprend une coque d'atomisation (10), et une première structure conductrice (40) et une seconde structure conductrice (50) qui sont en liaison conductrice avec un ensemble alimentation électrique (B) ; la coque d'atomisation (10) comprend un corps creux (11) et une partie d'isolation (12) disposée au niveau d'une extrémité du corps (11) ; la partie d'isolation (12) et le corps (11) sont formées d'un seul tenant ; la première structure conductrice (40) est isolée de la seconde structure conductrice (50) au moyen de la partie d'isolation (12) ; et une entrée d'air est formée au niveau de la jonction entre le corps (11) et la partie d'isolation (12) ou dans la partie d'isolation (12). Dans l'atomiseur, le corps (11) de la coque d'atomisation (10) et la partie d'isolation (12) isolant la première structure conductrice (40) de la seconde structure conductrice (50) sont formés d'un seul tenant, et l'entrée d'air est formée au niveau de la jonction entre le corps (11) et la partie d'isolation (12) ou dans la partie d'isolation (12), de telle sorte que des parties d'assemblage puissent être simplifiées, que l'efficacité d'assemblage soit améliorée, et que les coûts sont réduits.
PCT/CN2021/093903 2021-05-14 2021-05-14 Dispositif d'atomisation électronique et son atomiseur WO2022236822A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/CN2021/093903 WO2022236822A1 (fr) 2021-05-14 2021-05-14 Dispositif d'atomisation électronique et son atomiseur
US17/739,432 US20220361575A1 (en) 2021-05-14 2022-05-09 Electronic vaporization device and vaporizer thereof
CA3158970A CA3158970A1 (fr) 2021-05-14 2022-05-16 Dispositif de vaporisation electronique et vaporisateur connexe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/093903 WO2022236822A1 (fr) 2021-05-14 2021-05-14 Dispositif d'atomisation électronique et son atomiseur

Publications (1)

Publication Number Publication Date
WO2022236822A1 true WO2022236822A1 (fr) 2022-11-17

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Application Number Title Priority Date Filing Date
PCT/CN2021/093903 WO2022236822A1 (fr) 2021-05-14 2021-05-14 Dispositif d'atomisation électronique et son atomiseur

Country Status (3)

Country Link
US (1) US20220361575A1 (fr)
CA (1) CA3158970A1 (fr)
WO (1) WO2022236822A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203789152U (zh) * 2014-01-25 2014-08-27 深圳市合元科技有限公司 插拔式电子烟
CN203873012U (zh) * 2014-06-06 2014-10-15 山东中烟工业有限责任公司 电子烟用控制器、供电装置及电子烟
CN104287095A (zh) * 2014-10-20 2015-01-21 深圳市麦克韦尔科技有限公司 电子烟及其制造方法
CN105979806A (zh) * 2014-02-28 2016-09-28 吉瑞高新科技股份有限公司 电池杆及具有该电池杆的电子烟
US10492540B2 (en) * 2018-01-29 2019-12-03 Tuanfang Liu Electronic cigarette
CN211832811U (zh) * 2019-12-12 2020-11-03 深圳雷炎科技有限公司 电极与绝缘安装座一体化成型的电子烟杆和电子烟

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203789152U (zh) * 2014-01-25 2014-08-27 深圳市合元科技有限公司 插拔式电子烟
CN105979806A (zh) * 2014-02-28 2016-09-28 吉瑞高新科技股份有限公司 电池杆及具有该电池杆的电子烟
CN203873012U (zh) * 2014-06-06 2014-10-15 山东中烟工业有限责任公司 电子烟用控制器、供电装置及电子烟
CN104287095A (zh) * 2014-10-20 2015-01-21 深圳市麦克韦尔科技有限公司 电子烟及其制造方法
US10492540B2 (en) * 2018-01-29 2019-12-03 Tuanfang Liu Electronic cigarette
CN211832811U (zh) * 2019-12-12 2020-11-03 深圳雷炎科技有限公司 电极与绝缘安装座一体化成型的电子烟杆和电子烟

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CA3158970A1 (fr) 2022-11-14
US20220361575A1 (en) 2022-11-17

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