Antonelli, Terry, Stout & Kraus, LLP
Refrigerating apparatus
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.
Hitachi, Ltd.
F F F F F F F F F F C C F F
F25B F25B F04C F04C F04C F04C F25B F25B F25B F04C C09K C09K F04C F25B
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Yoshikazu Makoto
Amo Fujita