Filter device with a segmented design

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 25/26 (2006.01) B01D 46/12 (2006.01) B01D 63/08 (2006.01)

Patent

CA 2482412

The invention relates to a filter device (10) comprising: filter elements (1a, 11a, 22a) with wall openings (4) on their internal ring and filter elements (1b, 11b, 22b) with wall openings on their external ring (3), said elements being alternately stacked; an external housing (20); an internal filter conduit (18), which is configured through the internal ring walls (8) of the filter elements (1a, 1b, 22a, 22b, 11a, 11b) and is connected to filter elements (1a, 11a, 22a) in addition to a first fluid conduit (12) via the internal ring wall openings (4); and an essentially annular filter material (2) that is located between two respective filter elements (1a, 1b; 11a, 11b; 22a, 22b). The front faces (7) of said filter elements (1a, 1b) have essentially planar, peripheral external and internal sealing surfaces (53, 54), which, when the filter elements rest one on top of the other (1a, 1b; 11a, 11b; 22a, 22b), clamping filter material therebetween, lie above one another and are rough.

Ensemble filtre (10) qui comporte des éléments filtres (1a, 11a, 22a) à ouvertures (4) dans la paroi annulaire interne et des éléments filtres (1b, 11b, 22b) à ouvertures (3) dans la paroi annulaire externe empilés en alternance, un boîtier externe (20), un conduit interne (18) de filtre formé à travers la paroi annulaire interne (8) des éléments filtres (1a, 1b, 22a, 22b, 11a, 11b) et raccordé via les ouvertures (4) dans les parois annulaires internes à des éléments filtres (1a, 11a, 22a) ainsi qu'à un premier conduit (12) pour fluide, et de la matière de filtration (2) essentiellement annulaire qui est placée entre deux éléments filtres successifs (1a, 1b; 11a, 11b; 22a, 22b). Les faces frontales (7) des éléments filtres (1a, 1b) possèdent des surfaces d'étanchéité internes et externes périphériques essentiellement planes (53, 54) qui, en cas d'empilement des éléments filtres (1a, 1b; 11a, 11b; 22a, 22b) avec serrage de matière de filtration entre eux, se trouvent empilées les unes au-dessus des autres et sont rugueuses.

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