Cooling system

Details Cooling system Cooling system

1984-01-31

1985-08-13

Wayner, William E.

Refrigeration

Automatic control

Of external fluid or means

62209, F25D 1700

Patent

active

045341818

ABSTRACT:
An improved cooling system includes a vapor compression refrigeration loop made up of a compressor, an expansion valve, an evaporator and a condenser. A cool air fan blows air past the cool surfaces of the evaporator. The cooled air is directed to the interior of the structure by a cool air duct. A thermostat actuates the cool air fan and the compressor when the temperature in the structure rises above a selected value. Recognizing that cooling systems are oversized, and thus run inefficiently during normal operation, a compressor cycling switch is used to cycle the compressor on and off during the cool demand cycles according to the air temperature in the cool air duct. This increases the efficiency of the system by reducing back pressure on the compressor and reducing icing of the system.

REFERENCES:
patent: 3831663 (1974-08-01), Pithie
patent: 4094166 (1978-06-01), Jerles
patent: 4136730 (1979-01-01), Kinsey
patent: 4140274 (1979-02-01), Nabinger
patent: 4199023 (1980-04-01), Phillips
patent: 4471632 (1984-09-01), Nishi et al.

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