Patent ID: 7942240

Claim:
A silencer for an internal combustion engine, comprising: a silencer housing formed by a pair of clamped housing members each having a substantially identical configuration relative to one another, said silencer housing having an intake port formed at a first end and an exhaust port formed at a second, opposite end; and at least one separator received in said silencer housing between and spaced apart from said first end and said second end, said at least one separator extending transversely across said silencer housing relative to a longitudinal length of said silencer housing, wherein said silencer housing has an interior wall surface defining spaced apart circumferential recesses, said at least one separator being received in one of said recesses so as to be longitudinally locked when said pair of housing members are secured to one another, wherein said silencer housing includes elongated ribs extending along said longitudinal length of said silencer housing to attenuate resonance in the silencer, said elongated ribs being positioned between said recesses, and an intake pipe section extending from said intake port through said at least one separator; and an exhaust pipe section extending from said exhaust port through said at least one separator, said intake pipe section and said exhaust pipe section having substantially identical configurations relative to one another, wherein said silencer housing defines a pair of ports at each of said first end and said second end, one of said pair of ports at said first end forming said intake port and the other of said pair of ports at said first end closed with an end cap, one of said pair of ports at said second end forming said exhaust port and the other of said pair of ports at said second end closed with another end cap.