High performance automotive muffler

Details High performance automotive muffler High performance automotive muffler

1986-05-09

1987-06-16

Fuller, Benjamin R.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181256, 181272, F01N 104

Patent

active

046730583

ABSTRACT:
A high performance vehicular muffler is provided. The muffler includes a centrally disposed outlet tube, an inlet tube and a transfer tube. Internal baffles define a low frequency tuning chamber with which the inlet tube and transfer tube communicate. A high frequency tuning chamber surrounds the portion of the outlet tube between the internal baffles. The high frequency tuning chamber is packed with an absorbant. The opposed end caps of the muffler are provided with outwardly bowed portions to achieve a more laminar flow of exhaust gases and to minimize back pressure.

REFERENCES:
patent: 2041767 (1936-05-01), Jack, 3rd
patent: 2088296 (1937-07-01), Kingsley
patent: 3289786 (1966-12-01), Powers
patent: 3389764 (1968-06-01), Kelso
patent: 3741336 (1973-06-01), Malosh
patent: 4381045 (1983-04-01), Buchwalder
patent: 4467887 (1984-08-01), Vizard

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