Process for heating and cooling using substantially constant boi

Details Process for heating and cooling using substantially constant boi Process for heating and cooling using substantially constant boi

1993-09-10

1995-04-04

Skane, Christine

Compositions

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

252DIG9, 62114, C09K 504

Patent

active

054035040

ABSTRACT:
Constant boiling mixtures of pentafluoroethane and difluoromethane are useful as refrigerants, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing agents, expansion agents for polyolefins and polyurethanes, and as power cycle working fluids.

REFERENCES:
patent: 4174295 (1379-11-01), Bargigia et al.
patent: 4978467 (1990-12-01), Shankland et al.
patent: 5185094 (1993-02-01), Shiflett
McLinden & Didion's article "Quest For Alternatives" (Ashrae Journal, Dec. '87).
Vinyard, Sand & Statt's article "Selection of Ozone-Safe, Nonazeotropic Refrigerant Mixtures for Capacity Modulation in Residential Heat Pumps" (Ashraie Transactions 1989, vol. 95, Part 1).
Extract fr. OakRidge Nat. Lab. "Environmental, Health, and CFC Substitution Aspects of the Ozone Depletion Issue", Apr. 1989.
Article "Beyond CFCs: Extending the search for new refrigerants": (presented at Sep. 1989) Ashrae CFC Technology Conf., Gaithersburg, Md.
Research Disclosure #14623, vol. 146, Jun. 1976.

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