Self ionizing pleated air filter system

B - Operations – Transporting – 03 – C

Patent

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Details

B03C 3/34 (2006.01) B01D 50/00 (2006.01)

Patent

CA 2520848

A pleated filter is provided with electrically conductive fibrous material that releases ions to improve trapping efficiency. The edges of folded filter media are rendered emitting as by attaching conductive strings to the edges of the folds. The ends of the fibers in the strings are left exposed and, by applying high voltage on these strings, ions may be produced which charge dust particles to improve the filter's efficiency. Alternately, the pleated medium itself provides ion-emitting fiber ends along folded edges that have been rendered conductive.

La présente invention concerne un filtre plissé avec un matériau fibreux électriquement conducteur qui libère des ions pour améliorer l'efficacité du piégeage. Les bords du support de filtre pliés sont rendus émissifs par l'attache de ficelles conductrices sur les bords de pliure. Les extrémité des fibres sont exposées et, par l'application d'une haute tension sur ces ficelles, des ions peuvent être produits, qui chargent des particules de poussière de façon à améliorer l'efficacité du filtre. Dans un mode de réalisation de l'invention, le support plissé lui-même est pourvu d'extrémités de fibre émettrices d'ions le long des bords des pliures qui ont été rendus conducteurs.

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