Liquid filter arrangement with secondary filter and bypass flow

Details Liquid filter arrangement with secondary filter and bypass flow Liquid filter arrangement with secondary filter and bypass flow

B - Operations, Transporting

01

D

B01D 27/14 (2006.01) B01D 27/00 (2006.01) B01D 27/10 (2006.01) B01D 29/05 (2006.01) B01D 29/58 (2006.01) B01D 35/147 (2006.01)

Patent

CA 2478240

Liquid filter arrangements are provided. In general, the liquid filter arrangements comprise a housing, a primary filter element, a secondary filter construction and a bypass valve arrangement. The components are arranged such that in normal operation, liquid flows through the primary filter element and then through the secondary filter construction; and, such that during bypass valve operations, flow circumvents the primary filter element and is directed through the secondary filter construction, before leaving the liquid filter arrangement. Both a disposable spin on embodiment and a serviceable cartridge embodiement are provided.

L'invention concerne des ensembles filtres à liquide. Généralement, les ensembles filtres à liquide comprennent un logement, un élément filtrant principal, une structure filtrante auxiliaire et un ensemble clapet de dérivation. Les composants sont disposés de telle manière que pendant un fonctionnement normal, le liquide s'écoule à travers l'élément filtrant principal, puis à travers la structure filtrante auxiliaire; et que pendant le fonctionnement du clapet de dérivation, l'écoulement contourne l'élément filtrant principal pour être acheminé à travers la structure filtrante auxiliaire, avant d'être évacué de l'ensemble filtre à liquide. La présente invention concerne également une vrille jetable ainsi qu'une cartouche réutilisable.

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