Method and device for silencing the exhaust noise of...

Details Method and device for silencing the exhaust noise of... Method and device for silencing the exhaust noise of...

F - Mech Eng,Light,Heat,Weapons

01

N

172/35

F01N 1/04 (2006.01) F01N 1/00 (2006.01) F01N 1/06 (2006.01) F01N 1/10 (2006.01) F01N 1/16 (2006.01)

Patent

CA 1038770

METHOD AND DEVICE FOR SILENCING THE EXHAUST NOISE OF INTERNAL COMBUSTION ENGINES ABSTRACT OF THE DISCLOSURE An exhaust gas silencing system wherein standing waves are utilized in a silencing chamber to reduce low frequency compo- nents 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. -1-

235004

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