Tetrafluoropropene-based supercritical heat-transfer fluids
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United States of America Patent
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Mar 20, 2018
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Jul 12, 2012
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Aug 30, 2011
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Abstract
A method for heating a fluid or a body using a vapor compression circuit containing a heat-transfer fluid containing tetrafluoropropene, said method including, successively and cyclically, evaporation of the heat-transfer fluid, compression of the heat-transfer fluid, cooling of the heat-transfer fluid and expansion of the heat-transfer fluid, the heat-transfer fluid being in the supercritical state at the end of compression. Also, an installation suited to implementing this method.
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