Refrigeration – Automatic control – Refrigeration producer
Patent
1988-10-31
1990-08-14
Wayner, William
Refrigeration
Automatic control
Refrigeration producer
62210, 62505, 62510, F25B 500, F25B 110
Patent
active
049476556
ABSTRACT:
There is disclosed a refrigeration system employing multi-stage compressors, several unique modes of operation thereof, a sub-cooler/economizer for sub-cooling the condensed refrigerant prior to vaporization in the evaporator, as well as an improved expansion valve arrangement for controlling second stage discharge temperature, another valve arrangement for controlling economizer liquid discharge temperature, an interstage intercooler for use in a hot water system, a satellite compressor arrangement for ultra-low temperature applications, and an improved liquid-suction heat exchange arrangement.
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Thermal Environmental Engineering, Second Ed., by James L. Threlkeld, c. 1970, 1962 by Prentice-Hall, Inc., pp. 63-70.
Grasso Data Sheet, No. 20, May 1979, 2 pages.
Copeland Corporation
Wayner William
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