Acoustics – Sound-modifying means – Muffler – fluid conducting type
Patent
1986-09-02
1987-12-29
Fuller, Benjamin R.
Acoustics
Sound-modifying means
Muffler, fluid conducting type
181239, 181264, F01N 118
Patent
active
047154721
ABSTRACT:
An adjustable motorcycle muffler affixable to the exhaust pipe of a motorcycle. The muffler includes a stationary ring which is affixed to the exit end of the muffler body and the stationary ring has several openings therethrough. An adjustable ring is affixed to the face of the stationary ring and is movable to increase or decrease the gas flow resistance through the stationary ring.
REFERENCES:
patent: 3145800 (1964-08-01), Marx
patent: 3545566 (1970-12-01), Frolunda
Averill, Jr. Edgar W.
Fuller Benjamin R.
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