Vehicular exhaust system

Details Vehicular exhaust system Vehicular exhaust system

2007-06-15

2009-06-30

Martin, Edgargo San (Department: 2837)

Acoustics

Sound-modifying means

Muffler, fluid conducting type

C181S252000, C181S256000, C181S267000, C181S281000

Reexamination Certificate

active

07552797

ABSTRACT:
A system and method for dissipating at least one pressure wave in an exhaust gas flow is disclosed. A vehicular exhaust system directs the exhaust gas flow through a plurality of coaxial and perforated generally cylindrical tubes contained within an insulated canister towards a perforated partition plate. Through a series of apertures in the tubes and plate, the at least one pressure wave is dissipated such that sound attenuation is achieved without output loss from the engine.

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