US 11,992,052 B2
Atomizer and cartridge including the same
Jae Min Lee, Gyeonggi-do (KR); Dong Bum Kwon, Seoul (KR); Jin Soo Seong, Seoul (KR); and Jong Sub Lee, Gyeonggi-do (KR)
Assigned to KT&G CORPORATION, Daejeon (KR)
Appl. No. 17/046,534
Filed by KT&G CORPORATION, Daejeon (KR)
PCT Filed May 7, 2020, PCT No. PCT/KR2020/006035
§ 371(c)(1), (2) Date Oct. 9, 2020,
PCT Pub. No. WO2021/020698, PCT Pub. Date Feb. 4, 2021.
Claims priority of application No. 10-2019-0092655 (KR), filed on Jul. 30, 2019.
Prior Publication US 2022/0279848 A1, Sep. 8, 2022
Int. Cl. A24F 40/46 (2020.01); A24F 40/10 (2020.01); A24F 40/42 (2020.01); A24F 40/44 (2020.01); H05B 3/16 (2006.01)
CPC A24F 40/46 (2020.01) [A24F 40/10 (2020.01); A24F 40/42 (2020.01); A24F 40/44 (2020.01); H05B 3/16 (2013.01); H05B 2203/002 (2013.01); H05B 2203/021 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An atomizer comprising:
a liquid delivery element configured to absorb an aerosol generating material contained in a liquid storage; and
a wire configured to heat the aerosol generating material and wound on a surface of the liquid delivery element,
wherein the wire is wound in a spiral shape such that coils of the wire are spaced apart from each other by a certain distance on the surface of the liquid delivery element,
wherein one of end portions of the wire is in contact with a first portion of the surface of the liquid delivery element, and the other one of the end portions of the wire is in contact with a second portion of the surface of the liquid delivery element, and
wherein at least one of the end portions of the wire comprises a ridge portion wound to be spaced apart from the liquid delivery element by a certain distance.