Filter module

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 63/02 (2006.01) B01D 29/15 (2006.01) B01D 61/18 (2006.01) B01D 63/06 (2006.01) C02F 5/00 (2006.01) C02F 1/28 (2006.01) C02F 1/44 (2006.01) C02F 1/68 (2006.01)

Patent

CA 2467241

A filter module provided with a housing (3) having an inlet (6) for a liquid to be filtered and an outlet (10) for filtered liquid, with a first filter element (7-9, 12) accommodated in the housing (3), in the form of a porous mass provided with a central through-opening, to which the inlet (6) connects, and with a second filter element (1) accommodated in the housing (3) in the form of a number of lengths of tube-shaped filtering membrane (2), which together define a cylinder shape, which cylinder shape, at at least one extremity, between the open-ended filter membranes (2), is filled up with a sealing material, to which extremity the outlet (10) connects. The inlet (6) connects to the central through-opening of the first filter element (7-9, 12), which is surrounded by the second filter element (1), which has the form of a tubular casing obtained by winding from tube-shaped filtering membrane (2).

L'invention concerne un module filtre disposé dans un logement (3) pourvu d'un orifice d'entrée (6) pour liquide à filtrer et d'un orifice de sortie (10) pour liquide filtré. Un premier élément filtre (7-9, 12) est disposé dans le logement (3), sous forme d'une masse poreuse comportant une ouverture traversante centrale, l'orifice d'entrée (6) étant relié à ce premier élément. Un deuxième élément filtre (1) est disposé dans le logement (3) sous forme de plusieurs longueurs d'une membrane de filtrage (2) en forme de tube. Ces deux éléments définissent ensemble une forme cylindrique, cette forme cylindrique étant remplie, au niveau d'au moins une extrémité, entre les membranes de filtrage (2) ouvertes, par un matériau d'obturation à l'extrémité duquel est relié l'orifice de sortie (10). L'orifice d'entrée (6) est relié à l'ouverture traversante centrale du premier élément filtre (7-9, 12) qui est entouré par le deuxième élément filtre (1), ce deuxième élément présentant une forme de gaine tubulaire obtenue par enroulement de la membrane de filtrage en forme de tube (2).

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