Refrigeration system with surge receiver and saturated gas defro

Refrigeration – Automatic control – Refrigeration producer

Patent

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Details

62278, 62509, 62234, F25B 4104

Patent

active

045220379

ABSTRACT:
A refrigeration system having compressor, condenser, surge receiver and multiple evaporator means, and high side control means including gas defrost means for selectively defrosting the evaporator means with saturated refrigerant gas, a surge control valve for the surge receiver means, and other means for operating the surge control valve in response to differential high side pressures, liquid levels in the receiver means and/or gas defrost operations to regulate refrigerant pressures within the surge receiver means.

REFERENCES:
patent: 3358469 (1967-12-01), Quick
patent: 3427819 (1969-02-01), Seghetti
patent: 3645109 (1972-02-01), Quick
patent: 4012921 (1977-03-01), Willitts et al.
patent: 4167102 (1979-09-01), Willitts
patent: 4193781 (1980-03-01), Vogel et al.
patent: 4231229 (1980-11-01), Willitts

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