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 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 C F C F F F F
F25B C09K F04C C09K F25B F04C F04C F04C
inventional inventional additional additional inventional inventional inventional additional
Yoshikazu Makoto
Amo Fujita