Refrigeration – Processes – Circulating external gas
Patent
1990-12-20
1991-12-31
Tapolcai, William E.
Refrigeration
Processes
Circulating external gas
62310, 62314, 261149, 261150, 261161, F28D 500
Patent
active
050760653
ABSTRACT:
A heat exchange process and apparatus for supplying cool air or cool water to a location by cooling a recirculating working fluid utilized in the heat exchange process wherein a primary air stream or second working fluid is cooled by indirect heat exchange with the working fluid and wherein the working fluid is initially evaporatively cooled by heat exchange with a first waste air stream and subsequently divided into separate circulating circuits with a first portion of the working fluid further evaporatively cooled by a second waste air stream which has been indirectly cooled by indirect heat exchange with a second portion of the working fluid prior to the first portion of the working fluid being utilized indirectly to cool the primary air stream or a second working fluid.
REFERENCES:
patent: 1962572 (1934-06-01), Richardson
patent: 2162158 (1939-06-01), Coly
patent: 2214880 (1940-09-01), Crawford
patent: 3116612 (1964-01-01), Pennington
patent: 3808832 (1974-05-01), Zusmanovich
patent: 4380910 (1983-04-01), Hood et al.
patent: 4478767 (1984-10-01), Watanabe et al.
patent: 4538426 (1985-09-01), Bock
Aztec Sensible Cooling, Inc.
Tapolcai William E.
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