Refrigeration system

Details Refrigeration system Refrigeration system

1981-03-23

1982-08-17

Wayner, William E.

Refrigeration

Automatic control

Refrigeration producer

62228, 236 80R, 417299, F25B 4100

Patent

active

043442978

ABSTRACT:
A refrigeration system provided with a rotary compressor, a refrigeration pipe line system connected with the compressor and having a gas-liquid separator for separating an injection pressure gas refrigerant, and a gas injection channel extending from a gas zone of the separator and having an open-close valve. The compressor is provided at its cylinder block with an injection pressure port opening to a pumping chamber and with a valve chamber communicating with the port. A by-pass passage channel communicating with the suction port side of the chamber extends from the valve chamber, and a control valve having a communication aperture and a spring, are housed within the valve chamber, the injection channel is connected with a back chamber of the control valve within the valve chamber, so that the open-close valve may be operated to control a capacity of the refrigeration system.

REFERENCES:
patent: 2299811 (1942-10-01), Feicht
patent: 2920812 (1960-01-01), Courtney, Jr.
patent: 3759057 (1973-09-01), English et al.

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