Muffler

Details Muffler Muffler

1988-09-06

1989-10-17

Fuller, B. R.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181272, 181276, F01N 102

Patent

active

048740624

ABSTRACT:
A muffler comprising a casing, a defining member for defining at least two resonance chambers in the casing, and a pipe for flowing a gas therethrough. Each of the resonance chambers has a different resonance frequency, and the pipe is communicated with each resonance chamber. Therefore, a plurality of noise frequencies can be suppressed.

REFERENCES:
patent: 4213414 (1980-07-01), Sato et al.
patent: 4244442 (1981-01-01), Scarton et al.
patent: 4415059 (1983-11-01), Hayashi
patent: 4416350 (1983-11-01), Hayashi
patent: 4589516 (1986-05-01), Inoue et al.
patent: 4700806 (1987-10-01), Harwood

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