Refrigeration – Refrigeration producer – Compressor-condenser-evaporator circuit
Patent
1995-06-27
1998-03-03
Skane, Christine
Refrigeration
Refrigeration producer
Compressor-condenser-evaporator circuit
62114, 62498, 252 67, F25B 100, C09K 504
Patent
active
057222568
ABSTRACT:
Ternary mixtures of pentafluoroethane, difluoromethane and tetrafluoroethane 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 (1979-11-01), Bargigia et al.
patent: 4810403 (1989-03-01), Bivens et al.
patent: 4971712 (1990-11-01), Gorski et al.
patent: 5185094 (1993-02-01), Shiflett
patent: 5370811 (1994-12-01), Yoshida et al.
patent: 5438849 (1995-08-01), Yoshida et al.
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" (ASHRAE Transactions 1989,vol. 95,Part 1), no month available.
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.
E. I. Du Pont de Nemours and Company
Skane Christine
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