Closed pressure-keeping system for liquid hydrogen storage
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United States of America Patent
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Aug 19, 2008
Grant Date -
Oct 19, 2006
app pub date -
Apr 14, 2005
filing date -
Apr 14, 2005
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Abstract
A pressure maintaining system for a hydrogen storage system includes a hydrogen supply feed that enables a hydrogen flow from the hydrogen storage system. A liquid phase hydrogen feed enables a liquid phase hydrogen flow to the hydrogen supply feed. A gas phase hydrogen feed enables a gas phase hydrogen flow to the hydrogen supply feed. A check valve enables fluid communication from the hydrogen supply feed to the liquid phase hydrogen feed when a pressure within the hydrogen supply feed is greater than a threshold pressure.
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