Multi-purpose valve for cryogen gas egress
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United States of America Patent
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Oct 23, 2012
Grant Date -
Apr 29, 2010
app pub date -
Sep 1, 2009
filing date -
Sep 1, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A valve for controlling cryogen egress from a cryogen vessel has a housing having a low pressure side and a high pressure side with a fluid path defined between. A valve element is interposed between the low pressure side and the high pressure side of the housing. A mechanism is provided for holding the valve element against a valve seat. The mechanism has a cam shaft that is rotatable to displace the valve element from its seat to open the fluid path.
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