US 12,484,632 B2
Aerosol generating device and method of operation thereof
Yong Hwan Kim, Anyang-si (KR); Dae Nam Han, Seoul (KR); Sung Wook Yoon, Suwon-si (KR); Seung Won Lee, Gwangmyeong-si (KR); and Seok Su Jang, Daejeon (KR)
Assigned to KT&G Corporation, Daejeon (KR)
Appl. No. 17/802,559
Filed by KT&G CORPORATION, Daejeon (KR)
PCT Filed Nov. 1, 2021, PCT No. PCT/KR2021/015583
§ 371(c)(1), (2) Date Aug. 26, 2022,
PCT Pub. No. WO2022/098020, PCT Pub. Date May 12, 2022.
Claims priority of application No. 10-2020-0145531 (KR), filed on Nov. 3, 2020.
Prior Publication US 2023/0144267 A1, May 11, 2023
Int. Cl. A24F 40/53 (2020.01); A24F 40/10 (2020.01); A24F 40/40 (2020.01); A24F 40/42 (2020.01); A24F 40/46 (2020.01); A24F 40/50 (2020.01); A24F 40/51 (2020.01); A24F 40/60 (2020.01); A24F 40/65 (2020.01); A24F 40/90 (2020.01)
CPC A24F 40/53 (2020.01) [A24F 40/40 (2020.01); A24F 40/42 (2020.01); A24F 40/46 (2020.01); A24F 40/50 (2020.01); A24F 40/51 (2020.01); A24F 40/60 (2020.01); A24F 40/65 (2020.01); A24F 40/90 (2020.01); A24F 40/10 (2020.01)] 11 Claims
OG exemplary drawing
 
1. An aerosol generating device comprising:
a heater configured to heat an aerosol generating material;
at least one wetting detection module configured to generate a wetting signal when short-circuited by a liquid which is introduced from outside of the aerosol generating device or leaked from inside of the aerosol generating device; and
a control circuit configured to control operation of the heater based on the wetting signal,
wherein the at least one wetting detection module is configured to generate the wetting signal having a different signal level depending on a degree of wetting, and
wherein the control circuit is configured to:
when a signal level of the wetting signal is greater than or equal to a first threshold and less than a second threshold, limit a heating operation of the heater until the signal level of the wetting signal drops below the first threshold, and
when the signal level of the wetting signal is equal to or greater than the second threshold, cut off a battery power supply.