Refrigerating Apparatus

Abstract

In order that an indoor heat exchanger ( 41 ), a cold storage heat exchanger ( 45 ), and a freeze storage heat exchanger ( 51 ) may differ in their refrigerant evaporating temperature, a refrigerant circuit ( 1 E) is provided with a suction side three way switching valve ( 102 ) capable of switching of flow paths between the heat exchangers ( 41, 45, 51 ) and a compressor ( 2 ).

1 . A refrigerating apparatus comprising a refrigerant circuit ( 1 E), the refrigerant circuit ( 1 E) including a compressor ( 2 ), a heat source side heat exchanger ( 4 ), an expansion mechanism, a first heat exchanger ( 41 ) for room air conditioning, and a second heat exchanger ( 45 ,  51 ) for storage compartment refrigeration which are connected,
 wherein:   the refrigerant circuit ( 1 E) is provided with flow rate regulating means ( 102 ) for establishing switching of flow paths between the first heat exchanger ( 41 ) and the second heat exchanger ( 45 ,  51 ), and the compressor ( 2 ) in such a manner that the amount of refrigerant flow becomes variable, whereby the first heat exchanger ( 41 ) and the second heat exchanger ( 45 ,  51 ) differ from each other in refrigerant evaporating temperature.   
   
   
       2 . A refrigerating apparatus comprising a refrigerant circuit ( 1 E), the refrigerant circuit ( 1 E) including a compressor ( 2 ), a heat source side heat exchanger ( 4 ), an expansion mechanism, a first heat exchanger ( 41 ) with a first evaporating temperature, and a second heat exchanger ( 45 ,  51 ) with a second evaporating temperature which are connected,
 wherein:   the refrigerant circuit ( 1 E), in which the first heat exchanger ( 41 ) and the second heat exchanger ( 45 ,  51 ) are connected in parallel, is provided, on a suction side of the compressor ( 2 ), with flow rate regulating means ( 102 ) for variably changing the amount of refrigerant flow from the first heat exchanger ( 41 ) and the second heat exchanger ( 45 ,  51 ) to the compressor ( 2 ).   
   
   
       3 . The refrigerating apparatus of  claim 1  or  claim 2  wherein the flow rate regulating means is a switching valve ( 102 ) capable of flow rate regulation and connected to a suction pipe ( 6 ) of the compressor ( 2 ) and to the first heat exchanger ( 41 ) and the second heat exchanger ( 45 ,  51 ).