Patent ID: 7516737

Claim:
An internal combustion engine with a cooling system and an exhaust gas recirculation system, comprising: an engine housing with a cylinder head, a plurality of cylinders and a plurality of coolant passages, with the engine housing having at least one coolant inflow opening and at least one coolant outflow opening; a coolant collecting rail ( 20 ) with at least one first coolant inflow opening ( 28 ) which is connected to a coolant outflow opening of the engine housing, and with a coolant outflow opening ( 30 ) which is connected by means of a coolant line to a cooler; and an EGR heat exchanger ( 22 ) in connection with an exhaust gas duct and a coolant duct which are in heat-exchanging relationship with one another, and with a coolant inflow opening and a coolant outflow opening, the EGR heat exchanger ( 22 ) being fastened directly to the coolant collecting rail ( 20 ); and the coolant outflow opening of the EGR heat exchanger ( 22 ) being connected directly to a second coolant inflow opening ( 32 ) of the coolant collecting rail ( 20 ).