Precool/subcool system and condenser therefor

Details Precool/subcool system and condenser therefor Precool/subcool system and condenser therefor

1981-03-25

1983-02-15

King, Lloyd L.

Refrigeration

Processes

Exchanging heat between plural systems, e.g., disparate

62 99, 62160, 62179, 622386, 623241, F25B 700

Patent

active

043733468

ABSTRACT:
The apparatus of the invention includes a precooler (post heater) heat exchanger and a subcooler heat exchanger which are connected in fluid communication with the refrigerant input and output, respectively, of the condenser (evaporator) of a heat transfer system. A fluid, such as water, is forced through the subcooler heat exchanger and then through the precooler (post heater) heat exchanger to be in a heat exchanging relationship with the refrigerant flowing therethrough.
The method of the invention includes the step of regulating the flow rate of the water flowing through the apparatus such that the refrigerant is precooled to approximately its saturated-vapor state and subcooled when the system is operating in a cooling mode and such that the refrigerant is post heated to at least a saturated-vapor state and subcooled when the system is operating in a heating mode.

REFERENCES:
patent: 2548508 (1951-04-01), Wolfner
patent: 2893218 (1959-07-01), Harnish
patent: 2975609 (1961-03-01), Allander et al.
patent: 3188829 (1965-06-01), Siewept et al.
patent: 3362184 (1968-01-01), Jensen
patent: 3976123 (1976-08-01), Davies
patent: 4089667 (1978-05-01), Jonsson
patent: 4098092 (1978-07-01), Singh
patent: 4173865 (1979-11-01), Sawyer

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