Compositions – Electrolytes for electrical devices
Patent
1989-05-23
1990-02-13
Dixon, Jr., William R.
Compositions
Electrolytes for electrical devices
252 52R, 252 58, 252 68, C01M12904
Patent
active
049004638
ABSTRACT:
The present invention provides a lubricating composition. The composition comprises a single phase blend of (i) at least one polyoxyalkylene glycol which has a molecular weight between 300 and 2000, a viscosity of about 10-157 centistokes at 37.degree. C., and a viscosity index of at least 20 and (ii) a chlorotrifluoroethylene oil having a viscosity of about 0.8-1000 centistokes at 25.degree. C. The blend is miscible in combination with the tetrafluoroethane in the range between 0.degree. C. and at least +5.degree. C.
REFERENCES:
patent: 4267064 (1981-05-01), Sasaki
patent: 4302343 (1981-11-01), Carswell
patent: 4428854 (1984-01-01), Enjo
patent: 4431557 (1984-02-01), Shimizu
patent: 4454052 (1984-06-01), Shoji
patent: 4755316 (1988-07-01), Magid
Fundamental of Lubrication in Refrigeration Systems and Heat Pumps, ASHRAE TRANSACTIONS 90(2B) 763 (1984).
Evaluation of Lubricants for Refrigeration and Air-Conditioning Compressors, ASHRAE TRANSACTIONS 90(2B) 784 (1984).
1980 ASHRAE Systems Handbook, Chapter 32.
Research Disclosure 17463, Oct. 1978 by DuPont.
Magid Hillel
Pelava John W.
Thomas Raymond H. P.
Wilson David P.
Allied-Signal Inc.
Brown Melanie L.
Dixon Jr. William R.
Friedenson Jay P.
Hunter, Jr. James M.
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