Universal hydraulic valve

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

Patent

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Details

F15B 13/04 (2006.01) B66F 11/04 (2006.01) F15B 11/048 (2006.01) F16M 11/42 (2006.01) F16M 13/00 (2006.01)

Patent

CA 2188801

A universal hydraulic stop valve (10) has a housing (12) having check valves (20, 22) in a check valve bore (74). A needle (30) in needle bore (72) has spaced apart seals (60) which may alternately seal against valve seats (52, 54) on adjustable knobs (26, 28) with movement of the needle, which may be mechanically linked to a machine element moved by a hydraulic actuator (140). The universal hydraulic valve sets accurate starting and stopping positions, and also provides for gradual feathered stops.

Soupape (10) d'arrêt hydraulique universelle qui possède un boîtier (12) doté de clapets de non retour (20, 22) situés dans un trou (74) de clapet de non retour. Une aiguille (30) située dans un trou (72) pour aiguille possède des éléments d'étanchéité espacés pouvant assurer en alternance l'étanchéité contre des sièges (52, 54) de soupape sur des boutons (26, 28) réglables, avec le mouvement de l'aiguille, et peut être mécaniquement couplée à un élément de machine déplacé par un actionneur hydraulique (140). Ladite soupape hydraulique universelle permet des positions de départ et d'arrêt précises et permet également des arrêts graduels en douceur.

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