F - Mech Eng,Light,Heat,Weapons – 01 – N
Patent
F - Mech Eng,Light,Heat,Weapons
01
N
F01N 3/28 (2006.01) F01N 13/14 (2010.01) F01N 13/18 (2010.01)
Patent
CA 2447651
A method of manufacturing a catalytic converter is described where the catalytic converter (2) is comprised of an outer tube member having a monolith substrate (6) internally compressed therein with a wrapped mat material (8) surrounding the monolith substrate (6) and intermediate the outer tubE (4). One or more monolith members (6) can be applied within the outer tube (4) and heat shields (12, 20) may also be applied internal to the outer tube (4) and adjacent to the monolith substrate (6). The assembly of the catalytic converter (2) includes measuring the sequence of compression of the mat material (8) to the monolith substrate (6) in order to understand the possible force characteristics which can be applied during the assembly thereof. The mat material (8) is therefore compressed within the outer tube (4) by way of compression jaws, by compression rollers, and/or by spinning. The compression of the mat material (8) can be in single or multiple steps.
Cette invention concerne un procédé de fabrication pour convertisseur catalytique. Le convertisseur catalytique (2) est constitué d'un élément tubulaire extérieur (4)dans lequel est comprimé un substrat monolithique (6) entouré d'un fourreau de matériau (8). Un ou plusieurs éléments monolithiques (6) peuvent être appliqués dans le tube extérieur (4) ainsi que des écrans thermiques (12, 20) à l'intérieur du tube extérieur (4), contre le substrat monolithique (6). Pour l'assemblage du convertisseur catalytique (2), il faut mesurer la séquence de compression du matériau en fourreau (8) sur le substrat monolithique (6) afin de déterminer les caractéristiques de force possibles susceptibles d'être appliquées en cours d'assemblage. C'est pourquoi le matériau en fourreau (8) est comprimé dans le tube extérieur (4) au moyen de mâchoires de compression, de galets de compression et/ou par rotation. La compression du matériau (8) peut se faire en une seule ou en plusieurs opérations.
Hess Engineering Inc.
Sim & Mcburney
LandOfFree
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