Actuator

F - Mech Eng,Light,Heat,Weapons – 15 – B

Patent

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Details

F15B 15/06 (2006.01) F15B 15/08 (2006.01) F15B 15/14 (2006.01) F16J 9/00 (2006.01)

Patent

CA 2461371

An actuator having a set of slidable pistons including sliding regions with the sliding regions including at least one wear member supported by a resilient member and a second wear member laterally spaced from the first wear member with a lubrication reservoir located therebetween for maintaining the wear members in lubricated sliding engagement with the cylindrical walls of the housing to limit the need to replace or repair the actuator. In order to provide ingress and egress of fluid from the chambers within the actuator a channel passage extends along the back side of the extension of the piston to permit quick venting of fluid therefrom.

Il s'agit d'un vérin pourvu d'un ensemble de pistons coulissants comprenant des parties coulissantes, ces parties comprenant au moins une pièce d'usure supportée par un élément élastique, et une seconde pièce d'usure espacée latéralement de la première pièce d'usure, avec un réservoir de lubrification entre les deux. Ce réservoir maintient les pièces d'usure raccordées par coulissement sous lubrification avec les parois cylindriques du carter pour limiter le besoin de remplacer ou de réparer le vérin. Afin d'assurer l'admission de fluide dans les chambres du vérin et sa sortie, un passage de canalisation suit le côté arrière du prolongement du piston pour permettre la mise à l'air libre rapide du fluide.

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