Filter cartridge having component for use with a sensor...

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 35/14 (2006.01) B01D 27/10 (2006.01) B01D 29/11 (2006.01)

Patent

CA 2505110

According to the present disclosure a filter cartridge used as a serviceable component in a cartridge-style filter assembly is provided. The filter cartridge includes, mounted thereon, a communication/sensor circuit completion unit operably positioned so that it will complete a signal circuit only when the filter cartridge is properly mounted, for use. In a typical application, the communication/sensor circuit completion unit is an optic circuit completion unit. The communication /sensor circuit completion unit can be configured: as an optic conduit or reflector, which merely indicates that a circuit is complete; or it can be configured as part of an analytical sensor to evaluate a condition of liquid that passes outwardly from the filter cartridge. A cartridge-style filter assembly including a filter cartridge as characterized, is also provided. Further, a filter assembly comprising a filter head with a cartridge-style filter assembly as characterized is provided. Further, a filter head configured for use with such a serviceable filter cartridge, is provided. Finally, methods of assembly and use are described.

La présente invention concerne une cartouche filtrante utilisée en tant que composant démontable dans un ensemble filtre de style cartouche. La cartouche filtrante comprend, montée dessus, une unité de fermeture de circuit de communication/détection positionnée fonctionnelle afin de fermer un circuit de signalisation uniquement lorsque la cartouche filtrante est montée de manière appropriée, en vue d'une utilisation. Dans une application type, l'unité de fermeture de circuit de communication/détection est une unité de fermeture de circuit optique. L'unité de fermeture de communication/détection peut être conçue: en tant qu'un conduit optique ou qu'un réflecteur, lequel indique à peine qu'un circuit est fermé ; ou elle peut être conçue en tant que partie d'un détecteur d'analyse pour évaluer une condition de liquide qui traverse la cartouche filtrante. L'invention concerne également un ensemble filtre de style cartouche comprenant une cartouche filtrante telle que susdécrite. L'invention concerne en outre un ensemble filtre comprenant une tête de filtrage présentant un ensemble filtre de style cartouche tel que susdécrit. L'invention concerne aussi une tête de filtrage conçue pour être utilisée avec ladite cartouche filtrante démontable. Enfin, l'invention concerne des procédés d'assemblage et d'utilisation.

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