Refrigerating apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 24, 2007
Grant Date -
Oct 23, 2003
app pub date -
Sep 11, 2002
filing date -
Sep 20, 1994
priority date (Note) -
In Force
status (Latency Note)
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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.
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