Diverter valve

F - Mech Eng,Light,Heat,Weapons – 16 – K

Patent

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Details

F16K 11/074 (2006.01) F16K 3/10 (2006.01)

Patent

CA 2540634

A diverter valve (10) for selectively controlling the flow of fluid from a fluid source to one of several fluid outlets (132, 136) includes a fixed ceramic disk (14) fixed to a housing (12) and a rotating ceramic disk (16) retained in the housing against the fixed disk by a retainer (24). An accessory mount (20) is adhered to the rotating ceramic disk to facilitate connection to accessories and to direct fluid from the valve. Flow passages (88, 90, 104, 106, 108, 110, 112) in the disks cooperate with flow passages (54, 64, 66, 68) in the housing and flow passages (116, 118, 122) in the accessory mount to balance the pressure of fluid flow within the valve against the disks to minimize leaks and prolong durability.

L'invention concerne une vanne (10) de dérivation permettant de diriger sélectivement l'écoulement d'un fluide provenant d'une source de fluide vers l'une de plusieurs sorties (132, 136) de fluide. Cette vanne comprend un disque (14) de céramique fixe assemblé à un logement (12), et un disque (16) de céramique rotatif retenu dans le logement contre le disque de céramique fixe au moyen d'un dispositif retenue (24). Un support (20) d'accessoire collé sur le disque de céramique rotatif facilite la fixation d'accessoires et dirige le fluide en provenance de la vanne. Des passages (88, 90, 104, 106, 108, 110, 112) d'écoulement formés dans les disques coopèrent avec les passages (54, 64, 66, 68) d'écoulement formés dans le logement et les passages (116, 118, 122) d'écoulement formés dans le support d'accessoire de manière à équilibrer la pression exercés sur les disques par fluide circulant dans la vanne contre, afin de réduire les fuites et d'augmenter la durabilité de la vanne.

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