Gas pressure regulator
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United States of America Patent
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-
Aug 18, 2009
Grant Date -
Jun 29, 2006
app pub date -
Dec 5, 2005
filing date -
Dec 23, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
a bottom end of the valve member receives a piston-like plug. Openings in the wall of the valve member are occluded when the valve is closed. In the open position of the valve member pressure is equal all round each opening. In another embodiment of the invention a spool is provided having one enlarged end within the valve member and another outside it. Pressure on the combined surfaces of the end and the end of the valve member is equal to the pressure on the end of the spool.
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Family
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