Patent ID: 9212588
Filing Date: 2015-12-15
Classification: F01N,Y10T

Abstract:
1. An exhaust gas treatment device for an exhaust system of an internal combustion engine, exhaust gas treatment device comprising: an exhaust gas treatment insert with an axial direction, a radial direction and a circumferential direction; a mounting mat arranged around said exhaust gas treatment insert; a tubular housing having a tubular housing interior, said exhaust gas treatment insert and said mounting mat being arranged in said tubular housing interior, wherein said tubular housing is arranged around said mounting mat and said exhaust gas treatment insert, said tubular housing having a shape to define a gap between said exhaust gas treatment insert and an inside of said tubular housing, said mounting mat being arranged in said gap, said tubular housing having an axial direction, a radial direction and a circumferential direction in correspondence with said axial direction, radial direction and circumferential direction of said exhaust gas treatment insert, said tubular housing being shaped in said circumferential direction with said exhaust gas treatment insert and said mounting mat arranged in said tubular housing interior to follow asymmetries of said exhaust gas treatment insert, wherein said exhaust gas treatment is asymmetric in said circumferential direction.