Muffler assembly with perforated partition for ignition of accum

Details Muffler assembly with perforated partition for ignition of accum Muffler assembly with perforated partition for ignition of accum

1990-08-30

1992-06-23

Adams, Russell E.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181269, 181272, F01N 108

Patent

active

051235021

ABSTRACT:
A compact, sound-attenuating muffler for an internal combustion engine or the like. The muffler has a divergently tapered partition located near the inlet of the muffler for dividing the exhaust gases into two pulse streams with similar sound frequencies to achieve sound attenuation when the streams are converged back together. The diverging partition creates a low-pressure volume or region on the partition's downstream side where unignited fuels may accumulate. The partition is formed with a passageway to provide communication of live fire from the inlet of the muffler to the low-pressure volume for ignition of any unignited fuel. A method of communication of live fire from the inlet of the muffler to the low-pressure volume on the downstream side of the diverging partition in the muffler also is described.

REFERENCES:
patent: 624062 (1899-05-01), Mattews et al.
patent: 1081348 (1913-12-01), Unke
patent: 1184431 (1916-05-01), Dodge
patent: 2071351 (1937-02-01), McNamara
patent: 2239549 (1941-04-01), Chipley
patent: 2325905 (1943-08-01), Caulfield
patent: 2485555 (1949-10-01), Bester
patent: 2667940 (1954-02-01), Gallihugh
patent: 2971599 (1961-02-01), Tobias
patent: 3503714 (1970-03-01), Lang
patent: 4574914 (1986-03-01), Flugger
patent: 4809812 (1989-03-01), Flugger

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