Patent ID: 8857386

Claim:
An internal combustion engine with liquid cooling, comprising: at least one exhaust gas line; at least one coolant jacket; a common boundary wall separating the at least one exhaust gas line and the at least one coolant jacket, wherein the common boundary wall includes a surface structure provided on sides of the coolant jacket in at least one locally limited region, and a turbine including a turbine casing for utilizing enthalpy of hot exhaust gases, the turbine including at least one flow duct for carrying the exhaust gas through the casing, wherein the at least one coolant jacket comprises at least one coolant jacket integrated in the turbine casing and the at least one exhaust gas line comprises the at least one flow duct, wherein the surface structure includes at least one knob-shaped element, the at least one knob-shaped element projecting from the common boundary wall into the at least one coolant jacket.