초록

A muffler housing consists essentially of two shell parts and is penetrated by pipes arranged between the shell parts. Fastening screws are inserted through the pipes into receiving holes at one of the shell parts and are accessible there.

대표청구항 ▼

A muffler for internal combustion engine exhaust gases, comprising a housing adapted to be mounted at the engine and having two shell parts with one shell part forming an engine side and the other shell part facing away from the engine side; passage bores located in said one shell part and adapted f

A muffler for internal combustion engine exhaust gases, comprising a housing adapted to be mounted at the engine and having two shell parts with one shell part forming an engine side and the other shell part facing away from the engine side; passage bores located in said one shell part and adapted for insertion of fastening screws for attachment of said one shell part to the engine; and pipes penetrating the housing, each pipe being operatively associated with a respective one of said passage bores, one end of each pipe being held at the one shell part in coaxial arrangement to the respective passage bore, the other end of each pipe penetrating the other shell part and forming an access to the respective passage bore for insertion of the respective fastening screw in said passage bore, wherein a reinforcing bottom having openings arranged concentrically with respect to the passage bores is arranged on an interior side of the engine-side shell part, the openings of the reinforcing bottom each have an edge directed toward the interior of the housing, said edge wrapping with pressure the adjacent end of the respective pipe whereby the pipes are held at the reinforcing bottom in at least one of a force-locking and form-fitting manner, wherein the openings of the reinforcing bottom each have an edge directed toward an interior space of the housing in the shape of a funnel tapering in the direction toward the interior, and the ends of the pipes adjacent to the reinforcing bottom each have a widened portion fitting into the funnel shape of the reinforcing bottom such that the widened portions of the pipe ends are form-fittingly held between the engine-side shell part and the funnel-shaped edges of the openings of the reinforcing bottom.