Automobile muffler

Details Automobile muffler Automobile muffler

1988-08-16

1989-06-27

Fuller, B. R.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181237, 181239, 181249, 181254, 181282, F01N 110

Patent

active

048420964

ABSTRACT:
Disclosed is an automobile muffler having a drain pipe communicating with the upperstream, upper half inside sound-deadening area of its outer pipe, thereby allowing the moisture of the air drawn into the sound-deadening space to leave for the surrounding atomosphere via the drain pipe prior to condensation of the moisture to water in the sound-deadening space, thus making it unnecessary to drain water from the muffler.

REFERENCES:
patent: 2625234 (1953-01-01), Fina
patent: 2818131 (1957-12-01), Doughty
patent: 2824619 (1958-02-01), Brener et al.
patent: 3396812 (1968-08-01), Wilcox et al.
patent: 3522863 (1970-08-01), Ignoffo

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