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DUAL CAPILLARY TUBE / HEAT EXCHANGER IN COMBINATION WITH CYCLE PRIMING FOR REDUCING CHARGE MIGRATION

United States Patent Application

20130213065
A1
View the Complete Application at the US Patent & Trademark Office
A refrigerator appliance including a multi-capacity compressor and a refrigerant circuit with two conduits and pressure reducing devices arranged in parallel between an evaporator and a condenser. Refrigerant can flow through one, both or none of the conduits and pressure reducing devices. The appliance also has a heat exchanger in contact with either one pressure reducing device, or one conduit between the pressure reducing device and the valve system. The appliance also includes a controller for priming the compressor above a nominal capacity for a predetermined or calculated duration at the beginning of an ON-cycle.
GOMES, ALBERTO REGIO (St. Joseph, MI), KUEHL, STEVEN J. (Stevensville, MI), LITCH, ANDREW D. (St. Joseph, MI), WU, GUOLIAN (St. Joseph, MI)
WHIRLPOOL CORPORATION (BENTON HARBOR MI)
13/ 400,804
February 21, 2012
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT [0001] This invention was made with government support under Award No. DE-EE0003910, awarded by the U.S. Department of Energy. The government has certain rights in the invention.