Bayerische Motoren Werke Aktiengesellschaft

Dr. Ing. H.c. F. Porsche Aktiengesellschaft

Volkswagen Ag

Daimler Chrysler Ag

Wulf Sebbesse

Alf Degen

Roland Huss

Paul Kueper

A combination of an adsorbent with a catalyst for internal combustion engines. The adsorbent-catalyst combination is built up in two or more alternating layers of zones, which are coated to be adsorbing, and zones, which are coated to have catalytic activity, and are connected in series in relation to the flow of exhaust gas. The zones having adsorbing activity are to be designed thermodynamically so that they have a lesser heat transfer than the zones having catalytic activity, so that the zones having catalytic activity have a higher support temperature than the upstream zones having adsorbing activity.

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Munich, Germany

Wulf Sebbesse