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TWO-PHASE REFRIGERATION SYSTEM

United States Patent Application

20160245558
A1
View the Complete Application at the US Patent & Trademark Office
A heat transfer system includes a first two-phase heat transfer fluid vapor/compression circulation loop including a compressor, a heat exchanger condenser, an expansion device, and a heat absorption side of a heat exchanger evaporator/condenser. A first conduit in a closed fluid circulation loop circulates a first heat transfer fluid therethrough. A second two-phase heat transfer fluid circulation loop transfers heat to the first heat transfer fluid circulation loop through the heat exchanger evaporator/condenser, including a heat rejection side of the heat exchanger evaporator/condenser, a liquid pump, a liquid refrigerant reservoir located upstream of the liquid pump and downstream of the heat exchanger evaporator/condenser, and a heat exchanger evaporator. A second conduit in a closed fluid circulation loop circulates a second heat transfer fluid therethrough having an ASHRAE Class A toxicity and a Class 1 or 2L flammability rating.
Feng, Yinshan (South Windsor, CT), Wang, Jinliang (Ellington, CT), Zhao, Futao (Farmington, CT), Radcliff, Thomas D. (Vernon, CT), Verma, Parmesh (South Windsor, CT)
15/ 029,743
August 14, 2014
FEDERAL RESEARCH STATEMENT [0001] This invention was made with government support under contract number DE-EE0003955 awarded by the Department of Energy. The government has certain rights in the invention.