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SYNCHRONOUS TEMPERATURE RATE CONTROL AND APPARATUS FOR REFRIGERATION WITH REDUCED ENERGY CONSUMPTION

United States Patent Application

20150276306
A1
View the Complete Application at the US Patent & Trademark Office
A refrigerator appliance configuration, and associated methods of operation, for an appliance with a controller, a condenser, at least one evaporator, a compressor, and two refrigeration compartments. The configuration may be equipped with a variable-speed or variable-capacity compressor, variable speed evaporator or compartment fans, a damper, and/or a dual-temperature evaporator with a valve system to control flow of refrigerant through one or more pressure reduction devices. The controller, by operation of the compressor, fans, damper and/or valve system, depending on the appliance configuration, synchronizes alternating cycles of cooling each compartment to a temperature approximately equal to the compartment set point temperature.
Gomes, Alberto Regio (St. Joseph, MI), Keres, Stephen L. (Stevensville, MI), Kuehl, Steven J. (Stevensville, MI), Litch, Andrew D. (St. Joseph, MI), Richmond, Peter J. (Berrien Springs, MI), Wu, Guolian (St. Joseph, MI)
Whirlpool Corporation (Benton Harbor MI)
14/ 734,526
June 9, 2015
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT [0002] 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.