METALLIC HONEYCOMB STRUCTURE SUPPORTED IN AND INNER AND AN OUTER CASING TUBE ESPECIALLY A CATALYST SUPPORT

摘要

The honeycomb body 1 for a vehicle internal combustion engine, in particular the tentacles body, has walls that form a number of channels through which fluid flows. The honeycomb 1 has a predetermined length and is fixed to at least one inner and outer jacket tube 2a, 2b, 2c. In addition, the inner jacket tubes 2a, 2b and 2c have at least three regions, that is, a first subregion 2a along a part of the length l of the outer honeycomb body, and a second subregion having a conical width. (2b), and the third subregion (c) lying on the inner side of the outer jacket tube (3). The first and second subregions of the inner jacket tube are thermally and mechanically separated from the honeycomb body 1 and the outer jacket tube 3 to ensure a long service life even under extreme operating conditions.