Refrigeration machine including evaporator condenser structure

Claim 1

IN A REFRIGERATION MACHINE, AN ELONGATED HOLLOW SHELL HAVING ITS AXIS HORIZONTALLY DISPOSED, A GENERALLY FLAT HOLLOW PARTITION SUBDIVIDING SAID SHELL INTO AN UPPER EVAPORATOR COMPARTMENT AND A LOWER CONDENSER COMPARTMENT, HEAT TRANSFER TUBES IN SAID COMPARTMENTS TO CONDUCT HEAT TRANSFER FLUIDS THERETHROUGH, MEANS PLACING SAID HEAT TRANSFER TUBES IN HEAT-EXCHANGE RELATION WITH FLUID TO BE COOLED BY THE EVAPORATOR COMPARTMENT AND COOL THE CONDENSER COMPARTMENT, SAID HOLLOW PARTITION DEFINING A CAVITY, CONDUIT MEANS CONNECTING SAID CAVITY AND A QUIESCENT PORTION OF SAID EVAPORATOR CHAMBER WHEREBY GASEOUS REFRIGERANT CAN PASS TO SAID CAVITY TO PROVIDE INSULATION AGAINST THE FLOW OF HEAT BETWEEN SAID EVAPORATOR AND CONDENSER COMPARTMENTS, A POWERED COMPRESSOR HAVING AN INLET AND AN OUTLET, A CONDUIT MEANS OPERABLY CONNECTING SAID COMPRESSOR INLET AND OUTLET TO SAID EVAPORATOR AND CONDENSER COMPARTMENTS RESPECTIVELY, AND MEANS CONNECTING SAID CONDENSER AND EVAPORATOR COMPARTMENTS TO CONVEY LIQUEFIED REFRIGERANT FROM SAID CONDENSER COMPARTMENT TO SAID EVAPORATOR COMPARTMENT.