Patent ID: 7650761
Filing Date: 2010-01-26
Classification: B60H,F25B,Y02A

Abstract:
1. A refrigerating device comprising waste heat utilization equipment having: a refrigerating cycle comprising a compressor, a condenser, an expansion valve, and an evaporator which are sequentially connected; a Rankine cycle comprising a heater using the waste heat of a heating device as a heating source, an expansion device, the condenser, and a pump, which are sequentially connected, an electric generator driven by the expansion device, a control circuit, and at least a battery, wherein the control circuit controls the electricity generation of the electric generator, in accordance with an amount of electric energy stored in the battery by controlling the rotation speed of the electric generator; drive shafts of the compressor and the expansion device are separated from each other, and the compressor is driven by an electric motor.