Exhaust muffler

Details Exhaust muffler Exhaust muffler

1997-03-12

1998-04-14

Dang, Khanh

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181270, 181272, 181273, 181275, F01N 108

Patent

active

057394849

ABSTRACT:
An exhaust muffler includes a housing having a rectangularly shaped interior without fiberglass or other packing, an inlet tube on a first end portion of the housing for conveying exhaust gases to the interior, an outlet tube on an opposite second end portion of the housing for conveying the exhaust gases from the interior, and a baffle assembly within the interior for defining multiple different paths for exhaust gases to follow and two Helmholtz chambers for the exhaust gases to encounter as the exhaust gases flow through the interior of the housing from the inlet tube to the outlet tube. A central chamber flow path is provided that inhibits reverse flow.

REFERENCES:
patent: 2960179 (1960-11-01), Bryant
patent: 4574914 (1986-03-01), Flugger
patent: 4809812 (1989-03-01), Flugger
patent: 4909347 (1990-03-01), Wang

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