Patent ID: 8161949

Claim:
An exhaust gas recirculation cooling system for an internal combustion engine having an exhaust system, the exhaust gas recirculation cooling system comprising: a cooling fluid circuit including a cooling fluid to circulate through the exhaust gas recirculation cooling system and receive heat from the exhaust gas recirculation cooling system; an exhaust gas recirculation cooler disposed in fluid communication with the exhaust system to receive engine exhaust gas from the engine and remove heat from the exhaust gas, the exhaust gas recirculation cooler additionally disposed in fluid communication with the cooling fluid circuit, the cooling fluid within the cooling fluid circuit receiving heat within the exhaust gas recirculation cooler; a turbine disposed in fluid communication with the cooling fluid circuit, the turbine converting heat energy within the cooling fluid circuit to mechanical energy; a condenser disposed in fluid communication with the cooling fluid circuit, the condenser cooling fluid within the cooling fluid circuit; and a compressor disposed in fluid communication with the cooling fluid circuit, the compressor pressurizing the fluid within the cooling fluid circuit and circulating the fluid within the cooling fluid circuit.