Stamp formed muffler with multiple low frequency resonating...

Details Stamp formed muffler with multiple low frequency resonating... Stamp formed muffler with multiple low frequency resonating...

F - Mech Eng,Light,Heat,Weapons

01

N

172/30

F01N 1/02 (2006.01) F01N 13/18 (2010.01) F01N 1/08 (2006.01)

Patent

CA 1278524

ABSTRACT OF THE DISCLOSURE A muffler is provided with a pair of internal plates stamp formed to define an array of tubes therebetween. An external shell, which may be stamp formed, surrounds and encloses at least selected portions of the internal plates. The array of tubes stamp formed in the internal plates includes at least two tuning tubes. One tuning tube terminates at a tuning aperture in one of the two internal plates, while the other tuning tube terminates at an aperture stamp formed in the other of the two internal plates. Thus, one tuning tube will communicate with a low frequency resonating chamber on one side of the pair of internal plates, while the other tuning tube will communicate with a low frequency resonating chamber on the opposite side of the assembled internal plates.

554424

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