초록

A vehicle muffler, which is structured in a coiled fashion, has a tube extending through the circumferential wall. This tube is welded to the circumferential wall and fastened by mechanical deformation to a support wall of an inner insert piece.

대표청구항 ▼

The invention claimed is: 1. A vehicle muffler, comprising:opposite outer end walls,a closed outer circumferential wall formed by coiling a sheet metal part,at least one muffler insert,at least one outlet tube,at least one inlet tube wherein the at least one inlet tube or outlet tube extends through

The invention claimed is: 1. A vehicle muffler, comprising:opposite outer end walls,a closed outer circumferential wall formed by coiling a sheet metal part,at least one muffler insert,at least one outlet tube,at least one inlet tube wherein the at least one inlet tube or outlet tube extends through the circumferential wall into a muffler interior, and wherein the at least one inlet tube or outlet tube extends into an associated at least one inlet chamber or outlet chamber formed within the muffler interior with each inlet chamber only being associated with one inlet tube, and wherein the at least one inlet tube or outlet tube is fastened to the circumferential wall and the muffler insert, the at least one inlet tube or outlet tube being fastened to the muffler insert by mechanical deformation, andwherein the at least one muffler insert comprises at least one interior end wall for the formation of the inlet chamber or outlet chamber, and a support wall coupled to the interior end wall, and the at least one inlet tube or outlet tube is directly coupled to the support wall.