ELECTRONICALLY CONTROLLED VALVES
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United States of America Patent
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N/A
Issued Date -
Jan 5, 2012
app pub date -
Mar 16, 2010
filing date -
Mar 16, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An electronically controlled valve for regulating the supply of fluid between a working chamber of a fluid working machine and a manifold, which valve includes a pilot valve and a pilot valve elastic member charged in use by the movement of the armature towards the electromagnet during closure of the valve to provide a return force urging the pilot valve sealing member away from the pilot valve seat. The valve is especially useful as the low pressure valve of a fluid working motor.
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