Refrigeration system with heat reclaim and efficiency control mo

Details Refrigeration system with heat reclaim and efficiency control mo Refrigeration system with heat reclaim and efficiency control mo

1997-03-25

1998-10-27

Wayner, William E.

Refrigeration

Automatic control

Refrigeration producer

622386, F25B 4100, F25B 2700

Patent

active

058264337

ABSTRACT:
A high-efficiency refrigeration system (10) with total heat reclaim capacity comprises one or more compressors (11) for compressing a refrigerant gas to a desirable operating pressure. A bi-directional valve (14) communicates the compressed gas from the compressor (11) to condensers (19) for cooling the gas, when required, or to heat reclaim coils (21-23) to extract heat from the gas for heating air locally. A modulating valve (40) adjusts the pressure of the refrigerant gas at the compressors (11) and dependent on outside temperature. A refrigerant liquid/gas reservoir (28) receives liquid and vapor gas from the condensers (19) and the heat exchange coils (21-23) independently from one another whereby these liquid refrigerants will mix freely in the reservoir (28). A heat exchange coil (46) is connected between an outlet (45) of the refrigerant liquid/gas reservoir (28) and evaporators (48) whereby to cool liquid refrigerant gas from the reservoir to feed the evaporators. Expansion valves (50-55) are associated with the heat exchanger (46) to maintain the liquid refrigerant at an operating cool temperature.

REFERENCES:
patent: 4286437 (1981-09-01), Abraham et al.
patent: 4437317 (1984-03-01), Ibrahim
patent: 4535603 (1985-08-01), Willitts et al.
patent: 5673567 (1997-10-01), Dube

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