ASSEMBLY AND SYSTEM FOR TANK FILLING, WITHDRAWAL AND PRESSURE MANAGEMENT OF A CRYOGENIC LIQUID
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United States of America Patent
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Issued Date -
May 6, 2010
app pub date -
Nov 4, 2008
filing date -
Nov 4, 2008
priority date (Note) -
Abandoned
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Abstract
A tank for a cryogenic liquid is fitted with a conduit assembly that provides for flow of the cryogenic liquid into and out of the tank, venting of the tank and control of the fill level in the tank. The conduit assembly includes serpentine tubes that extend into an upper region within the inner shell. Within the inner shell, one of the tubes extends downwardly to a lower opening and provides for liquid flow into and out the tank; the other tube has an end with a downwardly facing opening in the upper region whereby vapor can be conducted out of the tank and the fill level is established. A system for effecting pressure management of the cryogenic liquid in the tank includes a conduit network that provides for pressure build as pressure in the conduit network drops and provides for delivery of liquid only to, e.g., a vehicle engine.
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