US 11,938,274 B2
Electronic atomizing device and ventilation valve thereof
Changyong Yi, Shenzhen (CN); Zhenlong Jiang, Shenzhen (CN); Congwen Xiao, Shenzhen (CN); Xiaoping Li, Shenzhen (CN); and Lingrong Xiao, Shenzhen (CN)
Assigned to SHENZHEN SMOORE TECHNOLOGY LIMITED, Shenzhen (CN)
Filed by SHENZHEN SMOORE TECHNOLOGY LIMITED, Shenzhen (CN)
Filed on Jul. 15, 2020, as Appl. No. 16/929,322.
Claims priority of application No. 201910642518.8 (CN), filed on Jul. 16, 2019.
Prior Publication US 2021/0016049 A1, Jan. 21, 2021
Int. Cl. A61M 11/00 (2006.01); A61M 11/04 (2006.01); A61M 16/20 (2006.01)
CPC A61M 16/206 (2014.02) [A61M 11/042 (2014.02); A61M 2205/02 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A ventilation valve configured to be mounted to a liquid reservoir of an electronic atomizing device, the ventilation valve comprising:
a valve sleeve connected to the liquid reservoir and provided with a through hole in communication with a storage cavity of the liquid reservoir; and
a valve element having air permeability and comprising an oleophobic material layer adjacent to the storage cavity, and a semi-permeable membrane connected to an end of the oleophobic material layer away from the storage cavity, the oleophobic material layer being accommodated in the through hole.