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...

2011-08-16

2011-08-16

Duong, Tom (Department: 1774)

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

C422S177000

Reexamination Certificate

active

07998425

ABSTRACT:
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 channels20of 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 face25, 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 elements30in the assembly.

REFERENCES:
patent: 2004/0093858 (2004-05-01), Aoki
patent: 2004/0211164 (2004-10-01), Hamanaka et al.
patent: 2007/0125053 (2007-06-01), Matsubara et al.
patent: 1 371 406 (2003-12-01), None
patent: 1 413 345 (2004-04-01), None
patent: 1 618 941 (2006-01-01), None

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