Exhaust gas catalytic converter

Details Exhaust gas catalytic converter Exhaust gas catalytic converter

1994-03-24

1996-10-08

Warden, Robert

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422173, 422180, 422199, 422222, 60300, F01N 310

Patent

active

055628850

ABSTRACT:
An exhaust gas catalytic converter, particularly for an internal combustion engine, includes a flow channel for carrying exhaust gas. A carrier body is disposed in the flow channel and has a structure through which exhaust gas can flow. The carrier body is formed of sheet-metal layers. At least some of the sheet-metal layers are at least partially structured. A catalytic coating is disposed in the carrier body. At least one separate heating element in addition to the structure, is adapted to the shape of one of the at least partially structured sheet-metal layers, is electrically insulated from the structure and is in close thermal contact with at least one of the coating and the sheet-metal layers, for electrically heating the carrier body externally. A method for producing an exhaust gas catalytic converter includes placing spaced-apart heating elements adapted to a shape of a corrosion-proof structured sheet-metal layer into the structured sheet-metal layer. At least one other sheet-metal layer is then wound, looped or layered with the structured sheet-metal layer to form a carrier body.

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patent: 5146743 (1992-09-01), Maus et al.
patent: 5294411 (1994-03-01), Breuer et al.

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