A silencer according to claim 3 wherein said outlet means comprises two outlet apertures spaced apart axially of the tubular wall.Д¦. A silencer according to claim 3 wherein said outlet means is positioned radially in the tubular wall of said housing and wherein said perforate section of the inlet duct is positioned eccentrically in the housing being spaced further from the outlet means than from the side of the housing opposite to the outlet means.ДҐ. A silencer according to claim 2 wherein said resonance chamber is defined within and at one end of the housing, said one wall of the first chamber comprising a baffle plate arranged in said housing with said inlet duct normal to the baffle plate and extending therethrough.Д¤. A silencer according to claim 1 wherein said housing comprises a generally tubular wall, said perforate section of the inlet duct extending in a direction axially of the tubular wall.ДЈ. one wall of said first chamber being defined by a perforate plate on an opposite side of which is a resonance chamber which communicates with the first chamber through perforations in said one wall but is otherwise closed.Дў.

a tubular inlet duct extending through said inlet opening and having a perforate section extending within said first chamber transversely of said outlet means and terminating close to an end of said first chamber opposite to said inlet opening,Д¬. a housing having said outlet means, said housing defining a first chamber of elongate form transversely of said outlet means, and having an inlet opening at one end,Д«. An air intake silencer for an internal combustion engine of the two-stroke cycle type and having outlet means for connection to the intake side of engine carburetor means, comprising:ДЄ.

Bike silencer design pdf