Refrigerant circulating system

Refrigeration – Refrigeration producer – With lubricant handling means

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Details

62 84, 62468, 62498, 62503, F25B 4302

Patent

active

055310800

ABSTRACT:
A refrigerant circulating system that uses a highly polar refrigerant, as typified by a hydrofluorocarbon-based one, and a refrigerating oil that has slight solubility with a liquid refrigerant on the condensation side. Also, a refrigerant circulating cycle that uses a highly polar refrigerant, as typified by a hydrofluorocarbon-based one, and a refrigerating oil that has a slight solubility with a liquid refrigerant and which has a greater specific gravity than the liquid refrigerant. Thereby, it provides a high electrical insulation and moisture resistance, good oil return to the compressor, and high reliability.

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U.S. Ser. No. 08/273,848, filed Jul. 12, 1994, pending.
U.S. Ser. No. 08/582,932, filed Jan. 4, 1996, pending.

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