Refrigerating apparatus

Details Refrigerating apparatus Refrigerating apparatus

2007-07-24

2007-07-24

Norman, Marc (Department: 3744)

Refrigeration

Processes

Employing diverse materials or particular material in...

C062S196300, C062S222000, C062S474000, C062S505000, C252S068000

Reexamination Certificate

active

10447291

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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