F - Mech Eng,Light,Heat,Weapons – 01 – N
Patent
F - Mech Eng,Light,Heat,Weapons
01
N
172/30
F01N 1/02 (2006.01) F01N 13/18 (2010.01) F01N 1/06 (2006.01) F01N 1/08 (2006.01)
Patent
CA 2035182
A reinforced stamped muffler is provided. The muffler in- cludes a pair of internal plates secured in face-to-face relation- ship and formed to define an array of tubes and chambers there- between. The chambers are provided with at least one array of reinforcing grooves. Larger chambers defined by the internal plates may include a first array of parallel reinforcing grooves and a second array of parallel reinforcing grooves extending trans- verse to and intersecting the end-most grooves in the first array. All of the grooves preferably extend into intersection with planar portions of the internal plates. The muffler further includes ex- ternal shells formed to define larger chambers. The larger cham- bers of the external shells are formed with a major pattern of reinforcing undulations and a minor pattern of undulations or grooves superimposed thereon. The minor pattern preferably in- cludes a parallel array of grooves with end most grooves in the parallel array being intersected by orthogonally extending grooves. All of the grooves in the external shell preferably extend into intersection with a planar peripheral flange.
Clegg Michael W.
Harwood Jon W.
Ap Parts Manufacturing Company
Moffat & Co.
LandOfFree
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