US 12,433,326 B2
Aerosol generating article and aerosol generating system including the same
Tae Kyung Lee, Daejeon (KR); Chan Min Kwon, Daejeon (KR); and Sun Hwan Jung, Daejeon (KR)
Assigned to KT&G CORPORATION, Daejeon (KR)
Appl. No. 17/763,059
Filed by KT&G CORPORATION, Daejeon (KR)
PCT Filed Oct. 18, 2021, PCT No. PCT/KR2021/014477
§ 371(c)(1), (2) Date Apr. 28, 2022,
PCT Pub. No. WO2022/086087, PCT Pub. Date Apr. 28, 2022.
Claims priority of application No. 10-2020-0135518 (KR), filed on Oct. 19, 2020.
Prior Publication US 2024/0108059 A1, Apr. 4, 2024
Int. Cl. A24D 1/20 (2020.01); A24D 3/04 (2006.01); A24D 3/06 (2006.01); A24F 40/10 (2020.01); A24F 40/46 (2020.01); A24F 40/50 (2020.01)
CPC A24D 1/20 (2020.01) [A24D 3/04 (2013.01); A24D 3/061 (2013.01); A24F 40/10 (2020.01); A24F 40/46 (2020.01); A24F 40/50 (2020.01)] 11 Claims
OG exemplary drawing
 
1. An aerosol generating article comprising:
a first segment impregnated with a first liquid composition;
a second segment impregnated with a second liquid composition that is different from the first liquid composition;
a cooler configured to cool aerosol by allowing the aerosol, generated from the first segment or the second segment, to pass through the cooler; and
a filter configured to filter the aerosol by allowing the aerosol having passed through the cooler to pass through the filter,
wherein at least a portion of the filter is recessed to thereby form a cavity in the filter,
wherein a wound paper sheet is filled in each of the first segment and the second segment, and
wherein a filling density of the sheet filled in the first segment is higher than the filling density of the sheet filled in the second segment.