Combinations of E-1,3,3,3-tetrafluoropropene and at least one tetrafluoroethane and their use for heating

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United States of America Patent

PATENT NO 9828536
SERIAL NO

13988028

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Disclosed herein is a method for producing heating comprising condensing a vapor working fluid comprising (a) E-CF3CH═CHF and (b) at least one tetrafluoroethane of the formula C2H2F4. Also disclosed herein is a heat pump apparatus containing a working fluid comprising (a) E-CF3CH═CHF and (b) at least one tetrafluoroethane of the formula C2H2F4. Also disclosed herein is a method for raising the maximum feasible condenser operating temperature in a heat pump apparatus suitable for use with HFC-134a, comprising charging the heat pump with a working fluid comprising (a) E-CF3CH═CHF and (b) at least one tetrafluoroethane of the formula C2H2F4. Also disclosed herein is a method for replacing HFC-134a refrigerant in a heat pump designed for HFC-134a comprising providing a replacement working fluid comprising (a) E-CF3CH═CHF and (b) at least one tetrafluoroethane of the formula C2H2F4.

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Patent Owner(s)

  • THE CHEMOURS COMPANY FC, LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kontomaris, Konstantinos Wilmington, US 67 522

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