Filter element and methods of manufacturing and using same

Details Filter element and methods of manufacturing and using same Filter element and methods of manufacturing and using same

B - Operations, Transporting

01

D

B01D 39/08 (2006.01)

Patent

CA 2671044

A coreless and spirally wound non-woven filter element is provided. The filter element includes at least one band of base media having a selected porosity and an interlay having a different porosity within at least one band of base media. The presence of the interlay in the filter element can create additional surface area within the contiguous construction of a filter element for filtration. This interlay can also create the ability to change direction of flow and to increase the deposition of specifically sized contaminants.

L'invention concerne un élément filtrant non-tissé dépourvu d'âme et enroulé en spirale. L'élément filtrant comprend au moins une bande de milieu de base présentant une porosité choisie et un intercalaire présentant une porosité différente à l'intérieur de la ou des bandes de milieu de base. La présence de l'intercalaire dans l'élément filtrant peut créer une aire surfacique supplémentaire de filtration à l'intérieur de la construction contiguë d'un élément filtrant. Ledit intercalaire peut également donner la possibilité de modifier la direction de l'écoulement et d'accroître le dépôt de contaminants de taille spécifique.

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