Balanced liquid level head pressure control systems

Details Balanced liquid level head pressure control systems Balanced liquid level head pressure control systems

1974-11-21

1976-02-24

Wye, William J.

Refrigeration

Automatic control

Refrigeration producer

62117, F25B 4100

Patent

active

039396681

ABSTRACT:
A refrigerant condenser system employs a three-way valve in the output line from the system compressor. Upon cold start-up of the system or excess condenser capacity, the valve directs hot compressed vapor to a liquid receiver to increase the pressure therein forcing liquid therefrom in a reverse flow to the condenser to raise its liquid level and thereby decrease its cooling capacity. Upon a rise in system pressure, the valve opens to direct some vapor, in proportion to the pressure, to the condenser, reducing condenser liquid level to the extent necessary to obtain adequate cooling capacity in the condenser. At maximum cooling load and high ambient temperature, all vapor will be directed by the valve to the condenser to obtain maximum cooling capacity.

REFERENCES:
patent: 2874550 (1959-02-01), Musson
patent: 2986899 (1961-06-01), Schenk
patent: 3103795 (1963-09-01), Tilney
patent: 3248895 (1966-03-01), Mauer

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