Sound attenuation devices for internal combustion engines

Details Sound attenuation devices for internal combustion engines Sound attenuation devices for internal combustion engines

1998-12-29

2000-09-12

Dang, Khanh

Acoustics

Sound-modifying means

Muffler, fluid conducting type

276251, F01N 108

Patent

active

061163775

ABSTRACT:
A sound attenuation device for internal combustion engines includes a tubular core extending from an inlet end to an outlet end and having apertures formed therethrough to allow fluid communication between the interior and the exterior of the tubular core. One or more flanges position the tubular core in an exhaust passageway and are provided with apertures so that exhaust flowing through the exhaust passageway can flow either through the tubular core or through the flange apertures. End caps may be employed to close the inlet end of the tubular core and to provide a reduced diameter opening at the outlet end thereof.

REFERENCES:
patent: 1266255 (1918-05-01), Harris
patent: 1900027 (1933-03-01), Radecky
patent: 2131001 (1938-09-01), Prochnow
patent: 3754619 (1973-08-01), McCormick
patent: 4055231 (1977-10-01), Martinez
patent: 4192403 (1980-03-01), Nakagawa et al.
patent: 4909347 (1990-03-01), Wang
patent: 5025890 (1991-06-01), Hisashige et al.
patent: 5183976 (1993-02-01), Plemons, Jr.

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