US 12,004,562 B2
Aerosol generating device
Jong Sub Lee, Seongnam-si (KR); Jae Min Lee, Siheung-si (KR); Dae Nam Han, Seoul (KR); Jin Soo Seong, Seoul (KR); Sung Wook Yoon, Suwon-si (KR); and Won Kyeong Lee, Guri-si (KR)
Assigned to KT&G CORPORATION, Daejeon (KR)
Appl. No. 16/981,538
Filed by KT&G CORPORATION, Daejeon (KR)
PCT Filed Jun. 11, 2020, PCT No. PCT/KR2020/007567
§ 371(c)(1), (2) Date Sep. 16, 2020,
PCT Pub. No. WO2021/015413, PCT Pub. Date Jan. 28, 2021.
Claims priority of application No. 10-2019-0089215 (KR), filed on Jul. 23, 2019.
Prior Publication US 2021/0274841 A1, Sep. 9, 2021
Int. Cl. A24F 40/42 (2020.01); A24F 40/10 (2020.01); A24F 40/485 (2020.01)
CPC A24F 40/42 (2020.01) [A24F 40/10 (2020.01); A24F 40/485 (2020.01)] 9 Claims
OG exemplary drawing
 
1. An aerosol generating device comprising:
a cartridge configured to generate aerosol from an aerosol generating material; and
a main body comprising an accommodation space that is configured to accommodate the cartridge,
wherein an airflow passage, that is configured to introduce external air, is formed between a wall of the main body adjoining the accommodation space and a wall of the cartridge based on the cartridge being accommodated in the accommodation space of the main body, and
wherein:
at least one from among the wall of main body adjoining the accommodation space and the wall of the cartridge comprises a plurality of projection portions spaced apart from each other, such that the airflow passage is formed between the plurality of projection portions based on the cartridge being accommodated in the accommodation space of the main body; or
the cartridge comprises a chamfer portion at edges, such that the airflow passage is formed between the chamfer portion and the wall of the main body adjoining the accommodation space based on the cartridge being accommodated in the accommodation space of the main body.