Acoustics – Sound-modifying means – Muffler – fluid conducting type
Patent
1981-08-20
1982-11-02
Fuller, Benjamin R.
Acoustics
Sound-modifying means
Muffler, fluid conducting type
181240, 181249, F01N 708
Patent
active
043568858
ABSTRACT:
A chambered-core motorcycle-exhaust apparatus having an inner exhaust core system comprising a plurality of interconnected pipe segments, including a muffler-end segment, wherein the inner core is mounted within a tubular housing having a substantially larger diameter than the inner core, so as to establish an annular chamber between the outer housing and the inner exhaust core, to prevent substantial heat transfer to the outer housing and to reduce noise output normally associated with motorcycle exhaust systems.
REFERENCES:
patent: 3104733 (1963-09-01), Ludlow
patent: 3858678 (1975-01-01), Haren
Fuller Benjamin R.
Lojacono Francis X.
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