RELIEF VALVE
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United States of America Patent
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N/A
Issued Date -
Sep 12, 2013
app pub date -
Dec 7, 2011
filing date -
Dec 7, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A relief valve (100) is provided, including a floating piston (120) configured to move reciprocally in a piston chamber (103) in response to fluid pressure, a circumferential seal (124) located on the floating piston (120), a biasing device (130) configured to keep the floating piston (120) within a piston float movement range, wherein the fluid is held when the floating piston (120) is within the piston float movement range and the fluid is exhausted when the floating piston (120) exceeds the piston float movement range, and one or more relief grooves (107) formed in a sidewall (106) of the piston chamber (103). The one or more relief grooves (107) are configured to conduct fluid around the floating piston (120) and the circumferential seal (124) when the floating piston (120) is compressed to a predetermined relief location in the piston chamber (103).
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