US 12,089,638 B2
Vaporizer and aerosol-generating device including the same
Jong Seong Jeong, Seoul (KR); Chul Ho Jang, Daejeon (KR); Gyoung Min Go, Daejeon (KR); Hyung Jin Bae, Daejeon (KR); Jang Won Seo, Daejeon (KR); Min Seok Jeong, Seoul (KR); and Jin Chul Jung, Daejeon (KR)
Assigned to KT&G CORPORATION, Daejeon (KR)
Appl. No. 17/431,475
Filed by KT&G CORPORATION, Daejeon (KR)
PCT Filed Dec. 8, 2020, PCT No. PCT/KR2020/017846
§ 371(c)(1), (2) Date Aug. 17, 2021,
PCT Pub. No. WO2021/153895, PCT Pub. Date Aug. 5, 2021.
Claims priority of application No. 10-2020-0011897 (KR), filed on Jan. 31, 2020; and application No. 10-2020-0025928 (KR), filed on Mar. 2, 2020.
Prior Publication US 2022/0132925 A1, May 5, 2022
Int. Cl. A24F 40/44 (2020.01); A24F 40/10 (2020.01); A24F 40/42 (2020.01); A24F 40/46 (2020.01)
CPC A24F 40/44 (2020.01) [A24F 40/10 (2020.01); A24F 40/42 (2020.01); A24F 40/46 (2020.01)] 17 Claims
OG exemplary drawing
 
1. A vaporizer comprising:
a liquid storage tank configured to store a liquid aerosol-generating material; and
a wick-heater assembly comprising:
a porous wick configured to absorb the liquid aerosol-generating material through a porous body; and
a heater assembly configured to heat the liquid aerosol-generating material absorbed by the porous wick,
wherein the heater assembly comprises a heating pattern embedded in the porous body and having a flat shape,
wherein the heating pattern is embedded at a position distanced from a center of the porous body, and
wherein the heating pattern is embedded at a position which is 0 μm to 400 μm apart in an upward direction from a lower surface of the porous body.