Exhaust diffusion apparatus

Details Exhaust diffusion apparatus Exhaust diffusion apparatus

1982-04-21

1985-09-17

Fuller, Benjamin R.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181239, F01N 100

Patent

active

045415064

ABSTRACT:
An exhaust diffusion apparatus positionable between noise level control and performance modes defining a restricted diffusion passage and an unrestricted exit port for performance operation which may be closed to effect noise level control operation.

REFERENCES:
patent: D246038 (1977-10-01), Moller
patent: 1174456 (1916-03-01), Wangelin
patent: 1989675 (1935-02-01), Bobo
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patent: 2740423 (1956-04-01), Stillwagon
patent: 2954839 (1960-10-01), Gibel
patent: 3672773 (1972-06-01), Moller
patent: 3779342 (1973-12-01), Broberg, Jr.
patent: 3854549 (1974-12-01), Moller
patent: 3987867 (1976-10-01), Moller
patent: 4113051 (1978-09-01), Moller

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