Heat transfer methods, systems and compositions
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United States of America Patent
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Apr 2, 2019
Grant Date -
Nov 9, 2017
app pub date -
Jul 27, 2017
filing date -
Nov 16, 2007
priority date (Note) -
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Abstract
The present invention relates to a refrigerant composition, including difluoromethane (HFC-32), pentafluoroethane (HFC-125), and trifluoroiodomethane (CF3I) for use in a heat exchange system, including air conditioning and refrigeration applications and in particular aspects to the use of such compositions as a replacement of the refrigerant R-410A for heating and cooling applications and to retrofitting heat exchange systems, including systems designed for use with R-410A.
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