F - Mech Eng,Light,Heat,Weapons – 01 – N
Patent
F - Mech Eng,Light,Heat,Weapons
01
N
172/30
F01N 1/08 (2006.01) F01N 13/18 (2010.01)
Patent
CA 1301659
ABSTRACT A sound attenuating muffler of the type used in the exhaust gas systems of motor vehicles is provided with a round cross section. The invention provides a frame that can be inserted into a round tubular muffler housing to subdivide the interior of the housing into a plurality of interconnected parallel gas flow paths that extend longitudinally of the housing and define a triflow or retroverted gas passage connecting the inlet at one end of the muffler housing to the outlet at the other end of the housing. The resulting muffler has a light weight, is compact, durable and acoustically efficient.
566690
Macrae & Co.
Tenneco Automotive Inc.
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