Hydrofluorocarbon compositions with tetrafluoroethane and cyclop

Details Hydrofluorocarbon compositions with tetrafluoroethane and cyclop Hydrofluorocarbon compositions with tetrafluoroethane and cyclop

1997-04-23

1998-07-28

McGinty, Douglas J.

Compositions

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

510177, 510408, 62114, 623241, C09K 504, C09K 330, C11D 750, C08J 914

Patent

active

057858837

ABSTRACT:
Refrigerant compositions include mixtures of difluoromethane and isobutane, butane, propylene or cyclopropane; pentafluoroethane and propylene or cyclopropane; 1,1,2,2-tetrafluoroethane and propane; 1,1,1,2-tetrafluoroethane and cyclopropane; 1,1,1-trifluoroethane and DME or propylene; 1,1-difluoroethane and propane, isobutane, butane or cyclopropane; fluoroethane and propane or cyclopropane; 1,1,1,2,2,3,3-heptafluoropropane and butane, cyclopropane, DME, isobutane or propane; or 1,1,1,2,3,3,3-heptafluoropropane and butane, cyclopropane, isobutane or propane.

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Defibaugh, D.R., et al., "Interaction coefficients for 15 mixtures of flammable and non-flammable components", Int. J. Refrigl, 18(8), 518-523, Month not known and abstract only, 1995.
Biancardi, F.R., et al., "Component design issues and limitations with 3rd generation HFC, HC and natural refrigerants", Sci. Tech. Froid., 365-386, Month not known and abstract only, 1994.
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Kopko, Beyond CFCs: Extending the Search for New Refrigerants, 1989 Ashrae CFC Technology Conference, 79-85, Sep., 1989.

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