Safety valve for pressure reservoir of motor vehicle i.e. car, has inlet opening with cross-section that is adjusted to volume flow such that dynamic pressure amounts to double of counter pressure applied by spring element

摘要

The valve (10) has an inlet opening (20) formed in a base body (18) and closed by a closing element (22). The closing element is spaced from a valve seat (26) in a filling position. The inlet opening has a small traverse cross-section in an area of the valve seat. The traverse cross-section is adjusted to a volume flow prevailing during filling of a pressure reservoir such that a dynamic pressure acting on the closing element during filling amounts to double of a counter pressure applied by a spring element (24) in the filling position. An independent claim is also included for a method for producing an inlet opening of a safety valve.