Exhaust gas treatment device and the respective manufacturing process
AssigneeJ. Eberspaecher GmbH & Co. KG
InventorsGeorg Wirth, Marco Wenz, Peter Zacke
Life of this patent
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Abstract
An exhaust gas treatment device for an exhaust gas system of an internal combustion engine, in particular of a motor vehicle, includes a housing and at least one exhaust gas treatment insert arranged in the housing and sheathed by bearing material on the circumference. To improve the axial fixation of the position of the exhaust gas treatment insert in the housing, at least one frictional structure is provided between the bearing material and the housing.
Claims15
An exhaust gas treatment device for an exhaust system of an internal combustion engine, comprising:
- a housing,
- at least one exhaust gas treatment insert which is arranged in the housing and is sheathed by bearing material on a circumference thereof,
- wherein at least one frictional structure is provided between the bearing material and the housing,
- wherein the at least one frictional structure is formed by at least one frictional insert,
- wherein the at least one frictional insert protrudes axially beyond the at least one exhaust gas treatment insert and attaches with the housing.
An exhaust gas treatment device for an exhaust gas system of an internal combustion engine, comprising:
- a housing,
- at least one exhaust gas treatment insert arranged in the housing and sheathed on a circumference thereof by bearing material, and
- at least one fixation insert arranged between the bearing material and the housing, mounted on the housing and attached at least axially to the bearing material,
- wherein the at least one fixation insert protrudes axially beyond the at least one exhaust gas treatment insert and mounts on the housing,
- wherein the fixation insert is mounted on the housing with a ring body.
Dependencies are inferred from the claim text.