Refrigeration – Processes – Defrosting or frost inhibiting
Patent
1978-10-02
1981-01-27
King, Lloyd L.
Refrigeration
Processes
Defrosting or frost inhibiting
62155, 62197, 62278, F25B 4100, F25D 2106, F25B 4700
Patent
active
042467608
ABSTRACT:
A method and apparatus utilizing a hot gas defrost system wherein superheated gas from the system compressor is conducted into a heat exchanger mounted within an accumulator for supplying heat to vaporize liquid refrigerant received from the evaporator. After the gas passes through the heat exchanger it is conducted to the condenser where it is condensed to a liquid and then routed to the evaporator. In the evaporator or frost accumulating coil the liquid refrigerant is subcooled, supplying heat to melt the ice formed on the evaporator surfaces and the liquid is thereafter conducted to the accumulator where the heat supplied from the heat exchanger acts to vaporize the fluid. The vaporized refrigerant is then recycled to the compressor to complete the system.
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Cann Peter L.
Casler Donald J.
Duell Richard J.
Carrier Corporation
Curtin J. Raymond
Hayter Robert P.
King Lloyd L.
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