Muffler

Details Muffler Muffler

1989-12-06

1991-04-02

Fuller, Benjamin R.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181272, 181282, F01N 102

Patent

active

050040685

ABSTRACT:
A muffler is constructed to have a tubular perforated plate within its cavity so as to divide the cavity into an outer resonant cavity and an inner resonant cavity, to thereby provide two resonant frequencies. The tubular perforated plate is formed in the shape of a funnel.

REFERENCES:
patent: 1638309 (1927-08-01), Kemble
patent: 1844105 (1932-02-01), Schnell
patent: 2088576 (1987-08-01), Compo
patent: 2185584 (1940-01-01), Boyce
patent: 2512155 (1950-06-01), Hill
patent: 3080940 (1963-03-01), Jobson
"Acoustic Performance of Low-Aspect-Ratio Muffler", K. Yasui Lecturing Paper (pp. 357-360), Japan Noise Control Technology Association, 9/86.

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