Filter comprising a plurality of honeycomb elements joined...

Details Filter comprising a plurality of honeycomb elements joined... Filter comprising a plurality of honeycomb elements joined...

B - Operations, Transporting

01

D

B01D 46/24 (2006.01) F01N 3/022 (2006.01)

Patent

CA 2657749

The invention relates to a structure for filtering particle-laden gases, comprising an assembly of elements of the honeycomb type linked by a joint or seal, each element incorporating a set of adjacent ducts or channels 20 of mutually parallel axes and separated by porous walls, which ducts are closed off by plugs at one or other of their ends so as to define entry chambers that open onto a gas intake face and exit chambers opening onto a gas discharge face 25, in such a way that the gas to be filtered passes through the porous walls, said structure being characterized in that its geometrical centre, in a cross section of the structure perpendicular to its main axis, does not correspond to a symmetry element of an element or of a group of elements 30 in the assembly.

L'invention se rapporte à une structure de filtration de gaz chargés en particules, comprenant un assemblage d'éléments du type en nid d'abeilles liés par un joint, chaque élément incorporant un ensemble de conduits ou canaux adjacents 20 d'axes parallèles entre eux séparés par des parois poreuses, lesquels conduits sont obturés par des bouchons à l'une ou l'autre de leurs extrémités pour délimiter des chambres d'entrée s'ouvrant suivant une face d'admission des gaz et des chambres de sortie s'ouvrant sur une face d'évacuation 25 des gaz, de telle façon que le gaz à filtrer traverse les parois poreuses, ladite structure se caractérisant en ce que son centre géométrique, selon une section de la structure perpendiculaire à son axe principal, ne correspond pas à un élément de symétrie d'un élément ou d'un groupe d'élément 30 dans l'assemblage.

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