INTERNAL COMBUSTION ENGINE WITH AN EGR COOLING SYSTEM

摘要

The present invention relates to a cooling system for cooling exhaust gas in an exhaust gas recirculation (EGR) circuit of an internal combustion engine, said cooling system comprising: at least one EGR cooler, at least one EGR valve provided in said EGR circuit for controlling the passage of exhaust gases from the exhaust system into the air intake system, wherein said at least one EGR cooler comprises means for achieving a Reynolds number RE>2100 for the exhaust gases in the EGR circuit.