JP2003329354A5 - - Google Patents

Claims (6)

Freezer compartment cooler and has a refrigerating compartment cooler, in refrigerator having a switching valve for distributing the condensable refrigerant to the plurality of coolers, wherein the switching valve has at least one of the plurality of coolers refrigerated cabinet, characterized in that so as to distribute control refrigerant flow in a plurality of stages which flows into cooler. The switching valve, by adjusting the degree of opening of the outlet, refrigeration refrigerator according to claim 1, characterized by controlling the flow rate of refrigerant flowing through each of the condenser. And wherein the connections between the switching valve and at least one cooler of the plurality of coolers is connected by a plurality of capillaries, controls the refrigerant flow rate by switching the plurality of capillaries by the switching valve refrigerated cabinet according to claim 1 or claim 2, wherein. The defroster heater heats the cooler during defrosting, and opens and closes the inlet / outlet of the switching valve so that a relatively high temperature refrigerant flows from the compressor into the cooler. , claim 2 or frozen refrigerator of claim 3, wherein. The refrigeration according to any one of claims 1 to 4 , wherein the opening degree of the switching valve is controlled so that the refrigerant flows through the plurality of coolers simultaneously during a predetermined time after defrosting. refrigerator. Temperature detection means for detecting the temperature of the outlet and inlet of the cooler, and the outlet opening control by the switching valve or the switching control of the plurality of capillaries by the switching valve according to the temperature difference between the outlet and inlet of the cooler The refrigerator-freezer according to any one of claims 1 to 5, wherein the refrigerator is performed.