F - Mech Eng,Light,Heat,Weapons – 01 – N
Patent
F - Mech Eng,Light,Heat,Weapons
01
N
172/5
F01N 3/24 (2006.01) F01N 3/28 (2006.01) F01N 3/30 (2006.01) F01N 13/18 (2010.01)
Patent
CA 1220428
Abstract A catalytic converter includes a longitudinally disposed body portion having first and second shell halves and an interior through which the combustion product can flow. The body of the converter also includes an inlet through which the combustion product can flow into the interior of the body, and an outlet through which the combustion product can flow out of the interior of the body. A reducing catalyst is disposed in the interior of the body proximal to the inlet. An oxidizing catalyst is disposed in the interior of the body proximal to the outlet. A manifold is provided for forming a passageway between the body interior containing reducing catalyst and the body interior containing the oxidizing catalyst. The manifold includes first and second manifold halves, with each manifold half including a pair of flanges which extend perimetrally and substantially completely along the interior wall of one shell half. The manifold flanges are disposed substantially parallel to the interior wall and coupled thereto. The manifold flanges include a portion which is recessed inwardly from the interior wall and first and second mating sections. The recessed portions include air holes for introducing air into the passageway between the reducing catalyst and the oxidizing catalyst. The first mating section includes a stud and the second mating section includes an aperture. The aperture of the second mating section is sized and positioned to receive the stud of the first mating section. Each shell half also includes a portion of the interior wall for attaching the pair of manifold flanges to the interior wall of the shell. This portion has a greater longitudinal extent than the longitudinal extent of the pair of manifold flanges.
453994
Shaw Frank W.
Thayer Timothy Z.
Arvin Industries Inc.
Smart & Biggar
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