Patent ID: 6820599
Filing Date: 2004-11-23
Classification: F02B,F02D,F02M,Y02T

Abstract:
A system for an engine having an intake and exhaust manifold, the engine having a compression device coupled with a first portion coupled to the intake and a second portion coupled to the exhaust manifold of the engine, the system comprising:a first exhaust gas recirculation system having a first end coupled to the exhaust manifold upstream of the second portion of the compression device and a second end coupled to the intake manifold downstream of the first portion compression device, said first system also having a first valve that adjusts a first flow amount from the exhaust manifold to the intake manifold; and a second exhaust gas recirculation system having a first end coupled downstream of the second portion of the compression device and a second end coupled to the intake manifold, said first system also having a second valve that adjusts a second flow amount from the exhaust to the intake manifold.