Low pressure rise rate pilot operated poppet relief valve
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United States of America Patent
Stats
-
Jan 29, 2013
Grant Date -
Feb 19, 2009
app pub date -
Aug 15, 2007
filing date -
Aug 15, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A relief valve for a hydraulic machine that combines a poppet valve assembly and a pilot valve assembly together using a connector pin wherein internal fluid passageways within the poppet and pilot spools provide a fluid flow path between the inlet of the valve and a cavity disposed between the poppet and pilot. As a result of the internal passageways fluid is metered to the interior cavity to provide additional control and stability within the relief valve.
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Family
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