Electronic atomizing device and ventilation valve thereof
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United States of America Patent
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Mar 26, 2024
Grant Date -
Jan 21, 2021
app pub date -
Jul 15, 2020
filing date -
Jul 16, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
The present disclosure relates to a ventilation valve configured to be mounted to a liquid reservoir of an electronic atomizing device. The ventilation valve includes: a valve sleeve connected to the liquid reservoir and provided with a through hole, the through hole in communication with a storage cavity of the liquid reservoir; and a valve element having air permeability and including 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 filling at least a part of the through hole.
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