Energy saving refrigeration system with mechanical subcooling

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

A - Human Necessities

47

F

62/47

A47F 3/04 (2006.01) F25B 7/00 (2006.01) F25B 49/02 (2006.01)

Patent

CA 1135065

ENERGY SAVING REFRIGERATION SYSTEM WITH MECHANICAL SUBCOOLING ABSTRACT OF THE DISCLOSURE A refrigeration system employs mechanical subcooling to substantially increase the efficiency of operation and reduce power consumption. The refrigeration system includes a compres- sor 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 evaportors 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 re- frigerant is first condensed at a condensing temperature of approxi- mately 10° to 25°F above a preselected cooling temperature. The condensed liquid is then mechanically subcooled if necessary to the preselected cooling temperature which should be prefer- ably approximately 50°F.

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