F - Mech Eng,Light,Heat,Weapons – 17 – C
Patent
F - Mech Eng,Light,Heat,Weapons
17
C
162/29
F17C 7/02 (2006.01) F17C 9/02 (2006.01)
Patent
CA 1231040
AMBIENT AIR HEATED ELECTRICALLY ASSISTED CRYOGEN VAPORIZER ABSTRACT OF THE DISCLOSURE A high volume cryogen vaporizer includes a radiator where a working fluid draws heat from ambient air for vaporizing a cryogen in a heat exchanger. An electrical heater is provided for periodically heating the working fluid to defrost the radiator, thereby allowing sustained operation of the vaporizer. When not required for defrosting the radiator, the heater may be operated to heat a working fluid in a circuit separate from that of the radiator, and in which the heated working fluid is used for further elevating the temperature of the vaporized cryogen in a second heat exchanger, thereby making possible a gas output temperature higher than ambient air temperature. -1-
460189
Brigham William D.
Dung Nguyen D.
Fetherstonhaugh & Co.
Zwick Energy Research Organization Inc.
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