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US 9,845,419 B2Granted
Low GWP heat transfer compositions containing difluoromethane and 1,3,3,3-tetrafluoropropene
AssigneeHoneywell International Inc.
InventorsSamuel F Yana Motta, Mark W. Spatz, Christopher J Seeton, Ryan Hulse
Life of this patent
Estimating the term…
Abstract
Heat transfer compositions, methods and use wherein the composition comprising: (a) from about 5 to about 20% by weight of HFC-32 and (b) from about 80% to about 95% by weight of HFO-1234ze.
Claims4
A mobile air conditioning system comprising:
- at least one compressor, at least one condenser, at least one evaporator and a heat transfer composition comprising a refrigerant comprising:
- (a) from about 74% to about 90% by weight of transHFO-1234ze and (b) from about 10% to about 26% by weight of HFC-32.
Dependencies are inferred from the claim text.