Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 7, 2020
Patent Application Number
15747443
Date Filed
July 28, 2016
Patent Citations Received
Patent Primary Examiner
Patent abstract
A pressure compensation device for compensating an internal pressure in a housing of an electrochemical device includes: at least one gas-permeable membrane for gas exchange between an interior of the housing and surroundings of the electrochemical device; and a valve body that can be transferred from a home position resting on a valve seat into a use position remote from the valve seat, the valve body including a gas throughflow opening that is sealed by the gas-permeable membrane.
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