US 12,262,739 B2
Aerosol generating system
Sun Hwan Jung, Daejeon (KR); Sung Hoon Ha, Daejeon (KR); and Chan Min Kwon, Gyeonggi-do (KR)
Assigned to KT&G CORPORATION, Daejeon (KR)
Appl. No. 17/605,082
Filed by KT&G CORPORATION, Daejeon (KR)
PCT Filed Jul. 6, 2021, PCT No. PCT/KR2021/008565
§ 371(c)(1), (2) Date Oct. 20, 2021,
PCT Pub. No. WO2022/014932, PCT Pub. Date Jan. 20, 2022.
Claims priority of application No. 10-2020-0086437 (KR), filed on Jul. 13, 2020.
Prior Publication US 2024/0049782 A1, Feb. 15, 2024
Int. Cl. A24F 40/20 (2020.01); A24D 1/02 (2006.01); A24D 1/20 (2020.01); A24D 3/06 (2006.01); A24D 3/17 (2020.01); A24F 40/30 (2020.01); A24F 40/42 (2020.01); A24F 40/465 (2020.01); A24F 40/57 (2020.01)
CPC A24F 40/20 (2020.01) [A24D 1/02 (2013.01); A24D 1/20 (2020.01); A24F 40/30 (2020.01); A24F 40/42 (2020.01); A24F 40/465 (2020.01); A24F 40/57 (2020.01); A24D 3/061 (2013.01); A24D 3/17 (2020.01)] 9 Claims
 
1. An aerosol-generating system comprising a cigarette and an aerosol-generating apparatus,
wherein the cigarette comprises:
a medium part comprising a tobacco material;
a flavor unit comprising a flavoring material and a moisturizer; and
a wrapper configured to wrap the medium part and the flavor unit,
wherein the aerosol-generating apparatus comprises:
a first heater arranged on a portion corresponding to the medium part and configured to directly heat the medium part and indirectly heat the flavor unit by using heat transmitted through the wrapper,
a processor configured to control the first heater to make the aerosol-generating apparatus operate in a smoke-free mode in which no visible smoke is generated,
a cartridge configured to store an aerosol-generating material, and
a second heater configured to heat the aerosol-generating material,
wherein the processor is configured to individually control the first heater and the second heater to make the aerosol-generating apparatus operate in a smoke mode in which visible smoke is generated.