Exhaust gas silencer for combustion engine, especially two-stroke engine, has interference body arranged upstream of catalyst unit and lying at distance from collision surface of catalyst unit

摘要

An exhaust gas silencer comprises an inner separating wall (5) for dividing a housing into two chambers (4, 6), and a catalyst unit (2) held by the wall and having a collision surface (7) which is impinged upon by an exhaust gas stream flowing through the housing. The catalyst unit forms a flow connection between the chambers. An interference body (40) is arranged upstream of the catalyst unit and lies at a distance from the collision surface. A projection surface (27) is formed on the collision surface to cover the center of the collision surface.