US 12,102,127 B2
Aerosol generating device with multiple heating portions
In Su Park, Seoul (KR); and Eun Mi Jeoung, Daejeon (KR)
Assigned to KT&G CORPORATION, Daejeon (KR)
Appl. No. 17/420,277
Filed by KT&G CORPORATION, Daejeon (KR)
PCT Filed Mar. 19, 2021, PCT No. PCT/KR2021/003415
§ 371(c)(1), (2) Date Jul. 1, 2021,
PCT Pub. No. WO2021/215673, PCT Pub. Date Oct. 28, 2021.
Claims priority of application No. 10-2020-0048862 (KR), filed on Apr. 22, 2020.
Prior Publication US 2023/0189890 A1, Jun. 22, 2023
Int. Cl. A24F 40/465 (2020.01); A24F 40/20 (2020.01); H05B 6/10 (2006.01)
CPC A24F 40/465 (2020.01) [A24F 40/20 (2020.01); H05B 6/105 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An aerosol generating device comprising:
an accommodation portion configured to accommodate at least a portion of a cigarette; and
a heater arranged in the accommodation portion to heat the cigarette,
wherein the heater comprises:
a first heating portion arranged along the inside of the accommodation portion;
a second heating portion arranged in a lower portion of the accommodation portion; and
a third heating portion extending in a lengthwise direction of the cigarette from the lower portion of the accommodation portion, and
the first heating portion, the second heating portion, and the third heating portion are thermally connected to one another,
wherein the first heating portion is heated to a first temperature, and
wherein the second heating portion is heated to a second temperature lower than the first temperature.