Refrigeration – Storage of solidified or liquified gas – Liquified gas transferred as liquid
Patent
1992-03-16
1993-10-12
Capossela, Ronald C.
Refrigeration
Storage of solidified or liquified gas
Liquified gas transferred as liquid
165179, 165183, F17C 902
Patent
active
052514528
ABSTRACT:
A single pass ambient air heat exchanger for vaporizing and heating cryogenic liquids includes a plurality of vertically mounted and parallel connected heat exchange tubes. Each tube has plurality of external fins and a plurality of internal peripheral passageways symmetrically arranged about and in fluid communication with a central opening, preferably circular in cross section. A solid bar or rod extends within the central opening for a predetermined length of each tube to increase the rate of heat transfer between the cryogenic fluid in its vapor phase and the ambient air as compared to the rate of heat between the fluid in its vapor phase and the air in an unblocked tube so that the fluid is raised from its boiling temperature at the bottom of the tubes to a temperature at the top suitable for manufacturing and other operations.
REFERENCES:
patent: 3177936 (1965-04-01), Walter
patent: 3735465 (1973-05-01), Tibbetts et al.
patent: 4343156 (1982-08-01), Gauthier
patent: 4479359 (1984-10-01), Pelloux-Gervais
patent: 4487256 (1984-12-01), Lutjens et al.
Capossela Ronald C.
Cryoquip, Inc.
Jackson Harold L.
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