DIESEL ENGINE FOR A MOTOR VEHICLE
A diesel engine is provided for a motor vehicle. The engine includes, but is not limited to a long route exhaust gas recirculating (LR-EGR) system, in which a Lean NO x Trap (LNT) is located upstream of a diesel particulate filter (DPF).
1 . A diesel engine, comprising:
a diesel particulate filter;
a long route exhaust gas recirculating system; and
a Lean NO x Trap of the long route exhaust gas recirculating system located upstream of the diesel particulate filter.
2 . The diesel engine according to claim 1 , further comprising a joint outer casing for the Lean NO x Trap.
3 . The diesel engine according to claim 1 , further comprising a joint outer casing for the diesel particulate filter.
4 . The diesel engine according to claim 1 , further comprising a joint outer casing for the Lean NO x Trap and the diesel particulate filter.
5 . The diesel engine according to claim 1 , wherein the long route exhaust gas recirculating system further comprises a turbocharger, the turbocharger comprising:
a compressor located downstream the diesel particulate filter; and
a turbine located upstream of the Lean NO x Trap.
6 . The diesel engine according to claim 5 , wherein the compressor is located downstream the diesel particulate filter in an intake line.
7 . A diesel engine according to claim 1 , further comprising a short route exhaust gas recirculating system.