Working fluid

Details Working fluid Working fluid

1992-02-24

1994-04-19

Skane, Christine

Compositions

Vaporization, or expansion, refrigeration or heat or energy...

62114, C09K 504

Patent

active

053043197

ABSTRACT:
A working fluid comprising tetrafluoroethane, difluoroethane and at least one fluorinated hydrocarbon having a boiling point of not higher than -40.degree. C. under atmospheric pressure selected from the group consisting of methane derivatives and ethane derivatives which consist of one or two carbon atoms, hydrogen atoms and fluorine atoms, which has very small influence on the ozone layer in the stratosphere and is suitable as a substitute working fluid for chlorodifluoromethane.

REFERENCES:
patent: 3173872 (1965-03-01), Broadley et al.
patent: 3444085 (1969-05-01), Eiseman
patent: 3640869 (1972-02-01), Orfeo et al.
patent: 3733273 (1973-05-01), Munro
patent: 4810403 (1989-03-01), Bivens et al.
patent: 4971712 (1990-11-01), Gorski
World Patent Index (Latest), Derwent Pub. Lt'd (London)-abstract of JP-A-63-308084 (accession No. 89-035371 [05]), Dec. 1988.

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