Patent ID: 8302732
Filing Date: 2012-11-06
Classification: F01N

Abstract:
1. A silencer for an exhaust system of a combustion engine, the silencer comprising: a housing with an inlet and in which an outlet chamber is located; an outlet pipe arrangement leading out of the housing, the outlet pipe arrangement being fluidically connected to the outlet chamber on an inlet side thereof, the outlet pipe arrangement being a pipe-in-pipe arrangement comprising at least one deflection pipe with a closed end on one side and arranged in the housing and an outlet pipe leading out of the housing, said closed end extending across a longitudinal direction of said outlet pipe, said deflection pipe being imperforate around said outlet pipe with axial walls parallel to said outlet pipe, an outer channel being defined between an outside of said deflection pipe and an inside of said housing, said first inlet of said housing being in communication with said outer channel.