Muffler with rupture control means

Details Muffler with rupture control means Muffler with rupture control means

1974-09-03

1976-03-23

Hix, L. T.

Acoustics

Auditorium

181 35C, F01N 718

Patent

active

039454606

ABSTRACT:
A muffler for attenuating the exhaust gas noise from an internal combustion engine in which there is an elongated shell having a pair of end caps rigidly secured to the ends thereof. Inlet and outlet conduits are mounted in said end caps and are operatively connected to sound attenuating means carried within the shell for reducing the noise level of the exhaust gases entering the muffler through the inlet conduit and exiting through the outlet conduit. Intermediate its length the shell has a groove formed therein to thus form a fracture point in the shell for controlling the location of a rupture in the muffler in the event that the muffler is subjected to an excessive number of backfires.

REFERENCES:
patent: 2981057 (1961-04-01), Buttler
patent: 3289785 (1966-12-01), Walker
patent: 3306393 (1967-02-01), Straw
patent: 3648803 (1972-03-01), Heath

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