Internal combustion engine with exhaust gas recirculation
AssigneeMercedes-Benz AG
InventorsUwe Gartner, Silvano Covini
Life of this patent
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Abstract
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.
Claims6
An internal combustion engine, particularly for a motor vehicle, with exhaust gas recirculation, said engine having a charge air intake pipe for supplying combustion air to said engine, an exhaust pipe for discharging exhaust gases from said engine, an exhaust gas recirculation valve disposed in said exhaust pipe, an exhaust gas recirculation line extending between the exhaust gas recirculation valve of said exhaust pipe and said charge air intake pipe for returning exhaust gas from said exhaust pipe to said charge air intake pipe, a heat exchanger disposed in said exhaust gas recirculation line and a pressurized air supply arrangement for supplying air under pressure to said heat exchanger for cleaning said heat exchanger.
Dependencies are inferred from the claim text.