Energy saving refrigeration system with mechanical subcooling

Details Energy saving refrigeration system with mechanical subcooling Energy saving refrigeration system with mechanical subcooling

1979-09-24

1981-12-08

King, Lloyd L.

Refrigeration

Automatic control

Of external fluid or means

62DIG17, F25B 3904

Patent

active

043041000

ABSTRACT:
A refrigeration system employs mechanical subcooling to substantially increase the efficiency of operation and reduce power consumption. The refrigeration system includes a compressor for compressing a gaseous refrigerant, a condenser for condensing the gaseous refrigerant and subcooling the liquid refrigerant, a receiver for receiving the liquid and a plurality of display cases having evaporators for evaporating the liquid refrigerant.
A supplemental subcooling system, including a subcooling evaporator associated with the receiver discharge further subcools the condensed refrigerant before it is passed to the display case evaporators. The compressed gaseous refrigerant is first condensed at a condensing temperature of approximately 10.degree. to 25.degree. F. above a preselected cooling temperature. The condensed liquid is then mechanically subcooled if necessary to the preselected cooling temperature which should be preferably approximately 50.degree. F.

REFERENCES:
patent: 3357199 (1967-12-01), Harnish
patent: 4136528 (1979-01-01), Vogel et al.

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