Refrigeration – Automatic control – Refrigeration producer
Patent
1982-12-09
1985-06-11
Tanner, Harry
Refrigeration
Automatic control
Refrigeration producer
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
Ares Roland A.
Burpo Steven J.
Schaeffer Wayne G.
Heywood Richard G.
Hussmann Corporation
Tanner Harry
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