Cryogenic Pump
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United States of America Patent
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app pub date -
Dec 28, 2013
filing date -
Jun 29, 2011
priority date (Note) -
Abandoned
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Abstract
A cryogenic pump is typically used to supply high pressure natural gas to an engine. The pump has a piston operable to discharge cryogenic liquid from a pumping chamber within a pump housing. The cryogenic liquid exits the chamber through an outlet port in which a check valve is positioned. The check valve has a valve member which is loaded by a spring and is retained by a retaining member accessible from outside the housing. The check valve has an inlet which is axial with the valve member and an outlet which is transverse to the axis of the valve member.
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