Patent ID: 8950173
Filing Date: 2015-02-10
Classification: F01N,Y02A,Y02T

Abstract:
1. An integrated exhaust gas after-treatment system for eliminating pollutants present in exhaust gases emitted from an engine as said exhaust gases pass there-through, said integrated exhaust gas after-treatment system comprising: a Diesel Oxidation Catalyst-Diesel Particulate Filter assembly adapted to connect to an exhaust gas manifold of an engine, said Diesel Oxidation Catalyst-Diesel Particulate Filter assembly comprising: a connecting passage; a Selective Catalytic Reduction connected to said Diesel Oxidation Catalyst-Diesel Particulate Filter assembly through said connecting passage and disposed down-stream thereof, said Selective Catalytic Reduction adapted to facilitate elimination of NOx present in the exhaust gases by reduction of the NOx; a dosing module disposed down-stream of said Diesel Oxidation Catalyst-Diesel Particulate Filter assembly and upstream of said Selective Catalytic Reduction and adapted to inject a reducing agent selected from at least one of ammonia and urea into said connecting passage upstream of said Selective Catalytic Reduction, wherein said reducing agent reacts inside said Selective Catalytic Reduction with the NOx present in the exhaust gases for facilitating reduction of said NOx; and a reducing agent supply system comprising: