Refrigeration – Storage of solidified or liquified gas – Liquified gas transferred as liquid
Patent
1993-11-08
1994-11-22
Tapolcai, William E.
Refrigeration
Storage of solidified or liquified gas
Liquified gas transferred as liquid
62239, F17C 904
Patent
active
053657446
ABSTRACT:
Air conditioning and refrigeration methods and apparatus for controlling the temperature of a conditioned space to a predetermined temperature band adjacent to a predetermined set point temperature via cooling and heating cycles utilizing a supply of pressurized cryogen. A fluid flow path for the cryogen includes a heat exchanger associated with the conditioned space. A cryogen heater is connected in the active cryogen flow path during a heating cycle, and cryogen is directed through the heater and heat exchanger via at least two successive serial passes, utilizing the elevated pressure energy of the cryogen as the motive force.
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Johnson Dale T.
Roehrich Roland L.
Viegas Herman H.
Tapolcai William E.
Thermo King Corporation
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