F - Mech Eng,Light,Heat,Weapons – 25 – B
Patent
F - Mech Eng,Light,Heat,Weapons
25
B
62/29
F25B 43/02 (2006.01) C09K 5/04 (2006.01) C10M 171/00 (2006.01) F25B 31/00 (2006.01) F25B 1/047 (2006.01)
Patent
CA 1307403
ROTARY DISPLACEMENT COMPRESSION HEAT TRANSFER SYSTEMS INCORPORATING HIGHLY FLUORINATED REFRIGERANT-SYNTHETIC OIL LUBRICANT COMPOSITIONS ABSTRACT OF THE INVENTION A rotary displacement compression heat transfer system and method for improving its efficiency includes a rotary displacement compressor for compressing a refrigerant, a condensor connected with the outlet of the compressor, an evaporator connected with the inlet of the compressor, an oil pump for injecting oil into the compressor, an oil separator for separating out the oil and recirculating it to the compressor, a non-chlorinated fluorinated refrigerant, and a synthetic oil providing an inverse solubility characteristic where a mixture of the refrigerant and oil has two immiscible phases in the compressor's operating temperature range at a weight concentration of oil in the range of about 10-60% and has only one dissolved liquid phase at a temperature in the evaporator's operating range at a weight concentration of oil less than about 5%.
600889
Cpi Engineering Services Inc.
Ridout & Maybee Llp
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