WATER DRAIN VALVE COMPRISING AN UMBRELLA DIAPHRAGM
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United States of America Patent
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Issued Date -
Jun 21, 2012
app pub date -
Aug 26, 2010
filing date -
Sep 3, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A water drain valve for an electromechanical motor vehicle power steering may include a base and a diaphragm which is configured as a movable valve element and is arranged such that it can move relative to the base between a closed position and an open position. In the closed position, the diaphragm rests against the base along an annular ring. The base may have a passage which extends from a free opening to a floor, with the diaphragm being attached centrally to the floor, the floor having at least one opening which forms a connection from the passage to the diaphragm, and the floor having at least one groove which is open towards the diaphragm and extends from the at least one opening as far as the annular ring.
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