Refrigeration – Processes – Lubricant handling
Patent
1992-09-17
1994-03-22
Bennet, Henry A.
Refrigeration
Processes
Lubricant handling
62114, 252 67, 252 68, C09K 504
Patent
active
052953572
ABSTRACT:
A method of lubricating a compression type refrigerating system comprising a compressor, a condensor, an expansion valve or a capillary tube and an evaporator, involves the use of lubricants having a kinematic viscosity of 5 to 500 cSt at 40.degree. C. and an interfacial tension of 8 dyne/cm or above in combination with a mixed refrigerant comprising 1,1,1,2-tetrafluoroethane and 1,1-dichloro-2,2,2-trifluoroethane or chlorodifluoromethane as an essential component in the system.
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Bennet Henry A.
Idemitsu Kosan Co, Ltd.
Kilner Christopher B.
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