Refrigerating apparatus

Details Refrigerating apparatus Refrigerating apparatus

1997-04-02

1999-06-08

Wayner, William

Refrigeration

Automatic control

Refrigeration producer

62114, 62505, F25B 4100, F25B 3100

Patent

active

059101610

ABSTRACT:
A liquid injection type scroll compressor is used to a refrigerating apparatus using hydrocarbon fluoride refrigerant which does not contain chlorine (HFC-125/HFC-143a/HFC-134a) as an operating fluid and an amount of an injected liquid is controlled according to a discharge temperature of the compressor. Further, ester oil and/or ether oil is used as refrigerator oil and a dryer is disposed in a refrigerating cycle. With this arrangement, a refrigerating cycle operation can be stably realized in a wide range without almost changing the arrangement of a conventional refrigerating apparatus.

REFERENCES:
patent: 5103652 (1992-04-01), Mizuno et al.
patent: 5277834 (1994-01-01), Bivens et al.
patent: 5295357 (1994-03-01), Kaneko
patent: 5685163 (1997-11-01), Fujita et al.

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