Self-regulating valve for controlling the gas flow in high pressure systems
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United States of America Patent
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Jan 3, 2012
Grant Date -
Jul 9, 2009
app pub date -
Apr 7, 2005
filing date -
Apr 7, 2005
priority date (Note) -
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Abstract
A controlled pressure release valve controls the gas flow in high-pressure systems. The valve includes a valve body, a slidable spool, a primary flow passage, a first and second chamber, a first and second spring, a first and second passages, and a valve actuator. The valve body has a gas inlet and a gas outlet and houses the slidable spool. The slidable spool has a first end and a second end, and is slidable between a first position and a second position. The primary flow passage connects the gas inlet and the gas outlet and increases with lineal movement of the slidable spool. The first chamber is located adjacent the first end of the slidable spool and a second chamber is located adjacent the second end of the slidable spool. The sliding spool is biased toward the first position by a gas pressure applied by the second chamber and the second spring.
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