MOTEUR A COMBUSTION INTERNE, NOTAMMENT MOTEUR A COMBUSTION INTERNE POUR UN VEHICULE AUTOMOBILE, COMPRENANT UN SYSTEME DE RECIRCULATION DES GAZ D'ECHAPPEMENT

摘要

In an internal combustion engine with exhaust gas recirculation wherein the engine has a charge air intake pipe for supplying combustion air to the engine, an exhaust pipe for discharging exhaust gas from the engine and an exhaust gas recirculation line extending between an exhaust gas recirculation valve arranged in the exhaust pipe and the charge air intake pipe for the controllable return of exhaust gas to the charge air intake pipe, a heat exchanger is disposed in the exhaust gas recirculation line and means are provided for supplying air under pressure to the heat exchanger for cleaning the heat exchanger.