B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 27/06 (2006.01) B01D 29/48 (2006.01) B01D 46/52 (2006.01)
Patent
CA 2671751
A filter apparatus and method utilize a filter element having a central winding frame and a length of fluted filter material wound about the frame with the flutes of the media oriented substantially longitudinally, to thereby provide for filtration of a flow of fluid passing axially through the filter element. The winding frame is a substantially open, truss-like structure, having a smooth outer periphery and an axially extending winding feature to facilitate pulling the media into intimate contact with the smooth outer periphery during fabrication of the filter element. A leading edge of the filter media is anchored to a leading edge of the frame by a length of tape.
Appareil de filtration et procédé utilisant un élément de filtration ayant un bobinoir central et une longueur de matériau de filtration cannelé, enroulé autour du bobinoir, les cannelures du support étant orientées sensiblement de manière longitudinale afin de fournir une filtration d'un écoulement de fluide passant axialement à travers l'élément de filtration. Le bobinoir est une structure sensiblement ouverte, de type treillis, possédant une périphérie extérieure lisse et un élément d'enroulement s'étendant axialement pour faciliter la mise en contact intime du support avec la périphérie extérieure lisse pendant la fabrication de l'élément de filtration. Un bord d'attaque du support filtrant est fixé sur un bord d'attaque du bobinoir par une longueur de bande.
Merritt Steven J.
Swanson Kyle
Baldwin Filters Inc.
Borden Ladner Gervais Llp
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