Exhaust silencer with acoustic damping mat
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United States of America Patent
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Issued Date -
Apr 20, 2006
app pub date -
Oct 14, 2004
filing date -
Oct 14, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An exhaust silencer includes an upper shell and a lower shell attached to the upper shell to define an internal cavity. Acoustic damping material is positioned within said internal cavity to reduce radiated and transmitted noise. A plurality of retention members compresses the acoustic damping material against an inner surface of the upper shell. The acoustic damping material is only located in the upper shell and thus is not affected by condensate that collects in the lower shell.
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