Patent ID: 7992400
Filing Date: 2011-08-09
Classification: F01C,F04C,F25B,Y02A

Abstract:
1. A refrigerating apparatus having a waste heat collecting device comprising: a refrigerating cycle having a main compressor device, a condenser, a depressurizing device, and an evaporator, which are connected in a circuit; and Rankine cycle having a heating device for heating working fluid by waste heat from a thermal engine, an expansion device, the condenser, and a pump, which are connected in a circuit, wherein the main compressor device is driven by the thermal engine, the expansion device has a function of a sub-compressor device, in addition to a function of an expansion operation, the expansion device is operatively connected to a motor generator having a function of an electric motor and a function of an electric power generator, and a fluid passage device is provided and selectively connected between an inlet side of the main compressor device and an inlet side of the condenser via the expansion device, so that working fluid flows from the inlet side of the main compressor device to the inlet side of the condenser through the expansion device when the expansion device is operated as the sub-compressor device.