HYDROGEN LIQUEFACTION DEVICE
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United States of America Patent
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Issued Date -
Aug 11, 2016
app pub date -
Apr 28, 2015
filing date -
Feb 3, 2015
priority date (Note) -
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Abstract
An example hydrogen liquefaction apparatus is disclosed. The apparatus includes an outer container; a liquefaction container positioned at least partially within the outer container; a heat pipe positioned within the liquefaction container. The head pipe includes a condensing portion, an evaporating portion, an inner tube portion containing a working fluid and operatively coupling the condensing portion to the evaporating portion, and an outer tube portion surrounding the inner tube portion and defining a dual tube region between the outer tube and the inner tube. Also included is a cryocooler in thermal communication with the liquefaction container, a pre-cooling tube, and an ortho-para converting part having a catalyst configured to induce an ortho-para conversion of gaseous hydrogen within the pre-cooling tube.
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