Compositions comprising fluoroolefins and uses thereof
AssigneeE. I. Du Pont de Nemours and Company
InventorsMario Joseph Nappa, Barbara Haviland Minor
Life of this patent
Estimating the term…
Abstract
The present invention relates to fluoroolefin compositions. The fluoroolefin compositions of the present invention are useful as refrigerants or heat transfer fluids and in processes for producing cooling or heat. Additionally, the fluoroolefin compositions of the present invention may be used to replace currently used refrigerant or heat transfer fluid compositions that have higher global warming potential.
Claims11
A process for cooling in a refrigeration, air-conditioning or heat pump apparatus suitable for using CFC-11 or HCFC-123 as a refrigerant, said process comprising:
- condensing a composition comprising a refrigerant consisting essentially of 1,1,1,4,4,5,5,5-octafluoro-2-pentene;
- and thereafter
- evaporating said composition in the vicinity of a body to be cooled, wherein said condensing and evaporating takes place in a chiller.
A process to produce cooling in a refrigeration, air-conditioning or heat pump apparatus suitable for using CFC-11 or HCFC-123 as a refrigerant, comprising compressing a composition comprising a refrigerant consisting essentially of 1,1,1,4,4,5,5,5-octafluoro-2-pentene, in a centrifugal compressor, condensing said composition, and thereafter evaporating said composition in the vicinity of a body to be cooled.
A process to produce cooling in a refrigeration, air-conditioning or heat pump apparatus suitable for using CFC-11 or HCFC-123 as a refrigerant, said process comprising:
- condensing a composition comprising a refrigerant consisting essentially of 1,1,1,4,4,5,5,5-octafluoro-2-pentene;
- and thereafter
- evaporating said composition in the vicinity of a body to be cooled, wherein said condensing and evaporating take place in a heat exchanger selected from the group consisting of fin and tube heat exchangers, microchannel heat exchangers, vertical or horizontal single pass tube or plate type heat exchangers, and single slab/single pass heat exchangers.
A method for replacing an original refrigerant or heat transfer fluid composition with a second refrigerant or heat transfer fluid composition said method comprising:
- providing a composition comprising a refrigerant consisting essentially of 1,1,1,4,4,5,5,5-octafluoro-2-pentene as the second refrigerant or heat transfer fluid composition, wherein said original refrigerant or heat transfer fluid composition comprises a refrigerant consisting essentially of CFC-11 or HCFC-123.
Dependencies are inferred from the claim text.