Patent ID: 7617909
Filing Date: 2009-11-17
Classification: F01N

Abstract:
1. A muffler for a line carrying gas and airborne sound, for an exhaust system of an internal combustion engine, said muffler comprising: a housing in which an inside pipe is arranged for carrying gas in the interior of the housing; and an inside plate having an opening, said inside plate positioned in said housing and reinforcing said housing; wherein only the inside pipe, and no other pipe, penetrates through said opening in said inside plate, wherein a first circumferential section of said opening has a radial play with respect to said inside pipe, wherein a first spring-elastic tongue is defined in said opening in the area of the inside pipe, said first spring-elastic tongue forming on its free end a second circumferential section of the opening and being fixedly connected to said inside pipe, and wherein the inside pipe is the only pipe connected to the inside plate at said opening.