US 12,433,335 B2
Airflow chimney
Kentaro Matsuda, Tokyo (JP); Peter Loveday, Epsom (GB); Manabu Yamada, Tokyo (JP); Shen Pifa, Shenzhen (CN); and Rui Cao, Shenzhen (CN)
Assigned to JT International SA, (CH)
Appl. No. 17/802,746
Filed by JT International SA, Geneva (CH)
PCT Filed Feb. 25, 2021, PCT No. PCT/EP2021/054767
§ 371(c)(1), (2) Date Aug. 26, 2022,
PCT Pub. No. WO2021/170766, PCT Pub. Date Sep. 2, 2021.
Claims priority of application No. PCT/CN2020/077283 (WO), filed on Feb. 28, 2020.
Prior Publication US 2023/0114975 A1, Apr. 13, 2023
Int. Cl. A24F 40/10 (2020.01); A24F 40/42 (2020.01); A24F 40/46 (2020.01); A24F 40/485 (2020.01); A24F 40/44 (2020.01)
CPC A24F 40/42 (2020.01) [A24F 40/10 (2020.01); A24F 40/46 (2020.01); A24F 40/485 (2020.01); A24F 40/44 (2020.01)] 20 Claims
OG exemplary drawing
 
1. A capsule for an electronic cigarette, the capsule having a first end configured to engage with an electronic cigarette device and a second end having a vapor outlet, the capsule further comprising:
a liquid store configured to contain a liquid to be vaporized;
a vaporizer housing arranged to house at least a part of a heating element and a part of a fluid transfer element, wherein the fluid transfer element is arranged to deliver liquid from the liquid store to the heating element, the heating element being configured to vaporize the received liquid and generate a vapor;
a seal arranged to hold the vaporizer housing;
a holder arranged to attach to the seal;
a main gas flow channel extending between the vaporizer housing and the vapor outlet to allow the generated vapor to flow from the vaporizer housing to the vapor outlet;
a pair of electrodes, wherein the pair of electrodes are arranged to provide an electrical connection between the first end of the capsule and an electronic cigarette device;
wherein the holder comprises an airflow passageway, and
wherein the airflow passageway comprises a plurality of grooves on an external surface of the airflow passageway.