Energy saving refrigeration system

Refrigeration – Automatic control – Preventing – removing or handling atmospheric condensate

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Details

62183, 62278, 62DIG17, F25D 2106, F25B 3904, F25B 4700

Patent

active

042864372

ABSTRACT:
A refrigeration system having an increased efficiency of operation and reduction in power consumption. By maintaining a low head pressure and subcooling the liquid refrigerant emitted from the remote condenser, the efficiency of operation of the compressor of the refrigeration system can be substantially increased. The particular type of refrigeration system of concern generally 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. The gaseous refrigerant passing through the condenser is first condensed into a liquid at a condensing temperature of approximately 10.degree. to 25.degree. F. above a preselected cooling temperature. The condensed liquid is then subcooled to the preselected cooling temperature which should be preferably either approximately 50.degree. F. or the temperature of the ambient atmosphere surrounding the condenser, whichever is higher.

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patent: 4122688 (1978-10-01), Mochizaki et al.
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