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An improved refrigeration system utilizing one or more vortex tubes. Vortex tubes produce liquid refrigerant from saturated-state vapor refrigerant in a vapor-compression refrigeration cycle. The efficiency of a refrigeration system can be improved by placing a vortex tube before the evaporator. The

An improved refrigeration system utilizing one or more vortex tubes. Vortex tubes produce liquid refrigerant from saturated-state vapor refrigerant in a vapor-compression refrigeration cycle. The efficiency of a refrigeration system can be improved by placing a vortex tube before the evaporator. The efficiency of a refrigeration system may also be improved by placing a vortex tube in the condenser approximately one-quarter of the way from the inlet of the condenser. The efficiency of a refrigeration system may also be improved by placing a vortex tube before the compressor.

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[ We claim:] [1.]1. A refrigeration system having a compressor, a condenser, an expansion device, and an evaporator arranged in succession and connected by their respective inlets and outlets by tubing in a closed loop in order to circulate refrigerant through the closed loops the improvement compri

[ We claim:] [1.]1. A refrigeration system having a compressor, a condenser, an expansion device, and an evaporator arranged in succession and connected by their respective inlets and outlets by tubing in a closed loop in order to circulate refrigerant through the closed loops the improvement comprising:a first vortex tube placed in the closed loop proximate the evaporator for converting at least a portion of the refrigerant vapor exiting the expansion device into liquid thereby increasing the efficiency of the refrigeration system; anda second vortex tube being placed about one quarter of the way from the inlet of the condenser for assisting in the conversion of refrigerant vapor to liquid.