Refrigeration – Storage of solidified or liquified gas – Liquified gas transferred as liquid
Patent
1992-12-30
1994-11-22
Capossela, Ronald C.
Refrigeration
Storage of solidified or liquified gas
Liquified gas transferred as liquid
622593, 165 46, F17C 904
Patent
active
053657454
ABSTRACT:
The invention in its preferred embodiment is a portable life support system for use in warm water diving providing temperature regulation and breathable atmosphere through cryogenic technology while maintaining neutral buoyancy and trim throughout zero-gravity simulation. The portable life support system comprises: a liquid cooled garment; an externally charged, positive expulsion dewar for storing and delivering liquid cryogen; means for circulating liquid cryogen from said dewar in heat exchange relation with the cooling liquid so as to cool the wearer of the garment and vaporize the liquid cryogen; and means forming a semi-closed breathing loop for delivering breathable gas obtained from the vaporized cryogen from said circulating means to the wearer of said garment for breathing purposes.
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Capossela Ronald C.
Oceaneering International Inc.
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