Refrigeration – Processes – Compressing – condensing and evaporating
Patent
1991-11-08
1993-03-02
Hepperle, Stephen M.
Refrigeration
Processes
Compressing, condensing and evaporating
62503, 62509, F25B 4300
Patent
active
051898853
ABSTRACT:
An improved gas pumping recirculating refrigeration system is disclosed. A controlled pressure flash tank provides flash gas for forcing liquid refrigerant from a dump tank. A controlled pressure receiver receives liquid from the dump tank and recirculates it to an evaporator. The flash gas pressure in the flash tank is controlled by a pressure regulator valve connected between the controlled pressure flash tank and the controlled pressure receiver. The pressure regulator valve may set so that the flash gas in the flash tank is at the pressure needed to force liquid from the dump tank. Thereby, optimum refrigeration efficiency is achieved with very little energy waste.
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H. A. Phillips & Co.
Hepperle Stephen M.
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