US 11,925,206 B2
Electronic cigarette having dual air passages
Guangrong Lin, Guangdong (CN); and Xianbin Zheng, Guangdong (CN)
Assigned to HUIZHOU HAPPY VAPING TECHNOLOGY LIMITED, Huizhou (CN)
Appl. No. 17/419,352
Filed by HUIZHOU HAPPY VAPING TECHNOLOGY LIMITED, Guangdong (CN)
PCT Filed Dec. 5, 2019, PCT No. PCT/CN2019/123185
§ 371(c)(1), (2) Date Jun. 29, 2021,
PCT Pub. No. WO2020/151376, PCT Pub. Date Jul. 30, 2020.
Claims priority of application No. 201910068880.9 (CN), filed on Jan. 24, 2019.
Prior Publication US 2022/0079227 A1, Mar. 17, 2022
Int. Cl. A24F 40/42 (2020.01); A24F 40/46 (2020.01); A24F 40/485 (2020.01); A24F 40/51 (2020.01)
CPC A24F 40/42 (2020.01) [A24F 40/46 (2020.01); A24F 40/485 (2020.01); A24F 40/51 (2020.01)] 10 Claims
OG exemplary drawing
 
1. An electronic cigarette having dual air passages, comprising a vaporizer and a battery rod, wherein the vaporizer is provided with a plug-in portion, the battery rod is provided with a receiving portion, the vaporizer and the battery rod are connected by insertion of the plug-in portion into the receiving portion, and a suction sensor is provided inside the battery rod, wherein an upper portion of the battery rod is provided with a first suction sensing air passage extending downwardly to communicate with the suction sensor, the vaporizer comprises a mouth piece, a cigarette liquid cup, and a vaporizing device, wherein the mouth piece is sleeved on an outer wall of an upper portion of the cigarette liquid cup, and the vaporizing device is sleeved upwardly in an inner wall of a lower portion of the cigarette liquid cup, a vapor outlet tube is centrally provided inside the cigarette liquid cup, the vapor outlet tube is in communication with a mouthpiece opening formed on an upper end of the mouth piece, the vaporizing device comprises a liquid isolation component, a vaporizing tube, a heating assembly, a throttle plate, a vaporizing base, and a bottom cap, which are connected in sequence from top to bottom, the vaporizing tube is connected with a lower end of the vapor outlet tube, the liquid isolation component is connected at a joint between the vaporizing tube and the vapor outlet tube to provide sealing, an inner space of the cigarette liquid cup above the throttle plate forms a liquid storage chamber for storing cigarette liquid, a second air inlet passage extending through the vaporizing base in a vertical direction is centrally provided in the vaporizing base, a second air inlet cavity which is in communication with the second air inlet passage is formed between the vaporizing base and the bottom cap, a lower portion of the cigarette liquid cup is formed as the plug-in portion, an air inlet gap is formed where the plug-in portion and the receiving portion are connected, a first air inlet cavity is formed between a bottom portion of the bottom cap and a top portion of the receiving portion, the bottom portion of the bottom cap is provided with a first air inlet passage for communicating the first air inlet cavity with the second air inlet cavity, and the bottom portion of the bottom cap is further provided with a second suction sensing air passage for communicating the second air inlet cavity with the first suction sensing air passage.