Exhaust silencer for internal combustion engine

Details Exhaust silencer for internal combustion engine Exhaust silencer for internal combustion engine

2004-03-05

2008-12-16

Benson, Walter (Department: 2837)

Acoustics

Sound-modifying means

Muffler, fluid conducting type

C181S258000, C181S252000, C181S212000, C181S222000

Reexamination Certificate

active

07464789

ABSTRACT:
A high-performance exhaust silencer in which a shell wall includes a shell outer plate, a shell inner plate, and a damping material to be inserted therebetween. A space between the shell outer plate and shell inner plate of the exhaust silencer is narrowed and the shell outer plate and the shell inner plate will not interfere with each other. An outer shape of the exhaust silencer is small but the expansion chambers are large by providing an air space between the shell outer plate and the shell inner plate. For the above-mentioned damping material, a material obtained by stretchably weaving metal wire into mesh is used.

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