MIXED REFRIGERANT
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United States of America Patent
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Issued Date -
May 19, 2016
app pub date -
Jun 20, 2014
filing date -
Jun 20, 2014
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Abstract
Disclosed is a mixed refrigerant having a GWP value less than 150. The mixed refrigerant consists of 2,3,3,3-tetra-fluoropropene (HFO-1234yf), Trans-1,3,3,3-tetra-fluoropropene (HFO-1234ze(E)) and trifluoromehyl ether(CH3OCH3,HFE-143a), and the mass percent thereof is: HFO-1234yf: 52%-90%; HFO-1234ze(E): 5%-30%; HFE-143a: 5-18%. The mixed refrigerant t does not destroy atmosphere ozonosphere, the greenhouse effect value is very low, and the environmental protection performance is excellent; the thermal performance is equivalent to HFC-134a. It can be directly used in the system originally using the existing HFC-134a without changing any details to achieve the filling replacement, enhancing energy efficiency ratio and reducing filling capacity. It has the advantage of low replacement cost, resource economization. It can be used as a long substitute for HFC-134a in the automotive air conditioner.
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