Internal combustion engine for vehicle i.e. motor vehicle, has combustion gas exhaust line whose hydrogen sulfide trap is arranged at outlet of particle filter and in upstream of branch connection of exhaust gas recirculation line

摘要

The engine (1) has a combustion gas exhaust line (2) extended from an exhaust manifold of the engine. A gas mixture intake line (3) has a compressor (12) compressing a gas mixture. A low pressure exhaust gas recirculation line (4) includes a heat exchanger (41), and emerges from the exhaust line at an output of a nitrogen oxide treating unit i.e. nitrogen oxide trap (21), and from upstream of the compressor. The exhaust line has a hydrogen sulfide trap (23) arranged at an outlet of a particle filter (22) and in upstream of a branch connection of the recirculation line.