Filter assembly

Details Filter assembly Filter assembly

B - Operations, Transporting

01

D

B01D 46/52 (2006.01) B01D 29/07 (2006.01)

Patent

CA 2489370

A filter assembly includes a reusable filter frame and a collapsible and expandable filter element. The filter frame includes a base and a cover connected with the base. The base includes a plurality of longitudinal rails and a plurality of transverse ribs for supporting and spacing the filter element. The filter frame also includes means for securing the filter element to the frame and maintaining the filter element in its expanded condition. The filter element includes filter media having a plurality of pleats adapted to mesh with the ribs of the filter frame and a flexible spacing structure attached to the pleated media that provides the pleated media with uniform pleat spacing but allows the media to be collapsed to a compact form.

L'invention concerne un ensemble filtre qui comprend un cadre de filtre et un élément filtrant repliable et extensible. Le cadre comporte une base et un couvercle relié à la base. La base comporte plusieurs rails longitudinaux et plusieurs membrures transversales soutenant et espaçant l'élément filtrant. Le cadre comporte aussi un système de fixation de l'élément filtrant et de maintien de cet élément dans sa configuration déployée. L'élément filtrant comprend un milieu flirtant à plusieurs plis s'imbriquant avec les membrures, et une structure d'espacement flexible fixée au milieu à plis, qui donne à ce milieu une possibilité d'espacement uniforme entre les plis et une possibilité de repliage sous forme compacte.

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