Refrigeration – Processes – Circulating external gas
Patent
1993-10-12
1994-07-19
Sollecito, John M.
Refrigeration
Processes
Circulating external gas
62DIG2, 621765, F25D 1706
Patent
active
053297822
ABSTRACT:
A reheater is used in air-conditioning system which includes a compressor, a condenser, an expansion valve, and an evaporator, interconnected by conduits in a closed loop. A first conduit coupling a flow of liquid refrigerant through the expansion valve into the evaporator. A second conduit coupling the an outlet of the evaporator to an inlet of the compressor. A third conduit coupling an outlet of the compressor to an inlet of the condenser. A centrifugal pump, coupled to an outlet of the condenser, for boosting a pressure of the condensed liquid refrigerant by an incremental pressure sufficient to pressure subcool the refrigerant. A reheater is positioned adjacent to the evaporator and coupled to an outlet of the centrifugal pump, for receiving pressure subcooled liquid refrigerant and cooled air from the evaporator to further subcool the liquid refrigerant to a temperature below its condensing temperature and to effect a partial reheating of the cooled flow of air thereby decreasing the relative humidity of the flow of the air.
REFERENCES:
patent: 1946328 (1934-02-01), Neff
patent: 2967410 (1961-01-01), Schulze
patent: 4419865 (1983-12-01), Szymaszek
patent: 4599873 (1986-07-01), Hyde
patent: 5097677 (1992-03-01), Holtzapple
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