Pressure control valve
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United States of America Patent
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-
Mar 28, 1995
Grant Date -
N/A
app pub date -
Oct 5, 1992
filing date -
Feb 5, 1991
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A solenoid-operated pressure control valve in which a valve shaft can move transverse to its longitudinal axis to permit self-centering of a closure member at the end of the valve shaft, relative to a valve seat which receives the closure member, when the valve shaft is displaced along its longitudinal axis. Longitudinal displacement of the valve shaft is sealedly guided by at least one sealing element through which the valve shaft extends and which can move along a surface of a guide member against which the sealing element is positioned when the valve shaft undergoes self-centering which is permitted by the clearance fit between the valve shaft and a bore in the guide member through which the valve shaft extends.
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