B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/94 (2006.01)
Patent
CA 2670740
A catalytic converter (Fig. 1) having a housing (12) holding upstream and downstream catalytic material (14,16) carrying substrates or bricks includes a ring (40) located between the substrates (14,16), the ring (40)having a gap therein for receipt of a mid-bed oxygen sensor (via 20). The ring (40) traps a layer of insulating material (42) between the ring (40) and the converter housing (12) or shell surface surrounding the inter-substrate gap. The ring (40) is coupled to the housing (12) at a plurality of embossments 44) either by welding or mechanical couplings.
L'invention concerne un convertisseur catalytique doté d'un boîtier contenant des substrats ou des briques amont et aval porteurs d'un matériau catalytique, comprenant une bague située entre les substrats, la bague comprenant un interstice destiné à recevoir un capteur d'oxygène inséré au milieu du lit. La bague piège une couche de matériau isolant entre la bague et la surface du boîtier ou de la coque du convertisseur entourant l'interstice entre les substrats. La bague est couplée au boîtier au niveau d'une pluralité de reliefs par soudage ou par des accouplements mécaniques.
Balk Timothy S.
Cothron Thomas A.
Sullivan Pernilla S.
Walworth Bradley B.
Gowling Lafleur Henderson Llp
Tenneco Automotive Operating Company Inc.
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