Hydraulic circuit for hydraulic equipment

Details Hydraulic circuit for hydraulic equipment Hydraulic circuit for hydraulic equipment

F - Mech Eng,Light,Heat,Weapons

15

B

F15B 13/06 (2006.01) E02F 9/22 (2006.01)

Patent

CA 2217021

A hydraulic circuit is intended to enable a plurality of hydraulic actuators to be locked or unlocked at the same time no matter whether control valves controlling pressurized oil feed to the hydraulic actuators are pilot-controlled or not. To this end, the circuit is provided with oil lines leading from hydraulic pumps to an oil tank without passing through the control valves and with first and second selector valves 20 and 24 opening or closing the oil lines.

L'invention a trait à un circuit hydraulique capable de verrouiller et de déverrouiller simultanément plusieurs actionneurs, que la soupape de commande servant à la régulation de l'alimentation en liquide d'un actionneur hydraulique soit du type manoeuvrée par un pilote ou d'un autre type. Le circuit comporte, d'une part, un canal conduisant d'une pompe hydraulique à une cuve en ignorant les soupapes de commande respectives et, d'autre part, une première et un seconde soupape d'inversion (20, 24) servant à ouvrir et à fermer le passage d'huile.

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