Material for the controlled vaporization of a liquid cryogen
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United States of America Patent
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Mar 4, 2003
Issued Date -
N/A
app pub date -
Jul 11, 2002
filing date -
Jun 8, 1999
priority date (Note) -
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Abstract
A shaped article is capable of at least one of containing and delivering a cryogenic fluid. The article has a porous structure that restricts the passage of cryogenic fluid in the liquid phase while permitting the passage of cryogenic fluid in the gaseous phase. The article may be in the form of a tube or container. The article permits a liquid cryogen to be transported to a specific site, and then cool the site by means of conduction from the cold article and convection of cold gas, the phase change of the evaporating liquid greatly enhancing the heat loss.
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