Method and device for silencing the exhaust noise of internal co

Details Method and device for silencing the exhaust noise of internal co Method and device for silencing the exhaust noise of internal co

1978-11-27

1980-09-30

Hix, L. T.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181296, F01N 100

Patent

active

042250110

ABSTRACT:
An exhaust gas silencing system wherein standing waves are utilized in a silencing chamber to reduce low frequency components of noise, and a downstream muffler is utilized to reduce the high frequency components of noise. An expansion chamber can be utilized further to reduce the pressure of the sound waves.

REFERENCES:
patent: 2240052 (1941-04-01), Pomries
patent: 3462947 (1969-08-01), Nowak
patent: 3842599 (1974-10-01), Ehlen

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