Patent ID: 7104048
Filing Date: 2006-09-12
Classification: F01N,F02B,F02D,F02M,Y02T

Abstract:
1. A method of operating a diesel engine, comprising: dividing exhaust gas generated by said diesel engine into first and second exhaust segments that respectively channel exhaust gas from first and second cylinder banks; redirecting at least a portion of said first exhaust segment into cylinders of said diesel engine and inhibiting re-circulation of exhaust from said second exhaust segment during a first mode; redirecting a portion of exhaust from each of said first and second exhaust segments back into said diesel engine during a second mode; injecting fuel into said second exhaust segment during a first mode; directing said second exhaust segment and a remainder of said first exhaust segment to a particulate filter during said first mode; and combusting said fuel to burn particulates trapped within a particulate filter.