Filtering cartridge, in particular for internal combustion...

Details Filtering cartridge, in particular for internal combustion... Filtering cartridge, in particular for internal combustion...

B - Operations, Transporting

01

D

B01D 46/24 (2006.01) B01D 29/21 (2006.01) F02M 35/024 (2006.01)

Patent

CA 2320864

The invention concerns a filtering cartridge comprising a tubular filtering element (2) consisting of a flexible porous sheet forming an annular series of pleats (7) with axial edges in the form of ridges all curved in the same circumferential direction, each ridge comprising a suction side (8) and a pressure side (9). The pressure side and the suction side of each ridge comprise axial lines with less resistance (15), forming hinge lines, enabling the ridges to be better controlled.

Il s'agit d'une cartouche de filtration comprenant un élément filtrant tubulaire (2) constitué par une feuille souple poreuse formant une succession annulaire de plis (7) à arêtes axiales qui se présentent sous la forme d'ailettes incurvées toutes dans un même sens circonférentiel, chaque ailette comprenant un extrados (8) et un intrados (9). L'intrados et l'extrados de chaque ailette comportent des lignes axiales de moindre résistance (15), formant charnières, qui permettent de mieux contrôler la courbure des ailettes.

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