Control device for a hydraulic spool valve

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

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F15B 13/044 (2006.01) B60T 8/36 (2006.01) B60T 13/68 (2006.01) F15B 9/03 (2006.01) G05D 16/20 (2006.01)

Patent

CA 2152224

L'invention concerne un dispositif de commande d'un tiroir hydraulique. Le tiroir hydraulique (1) étant mis en mouvement par un moteur (11) et des moyens de rappel (71), le dispositif comprend des moyens (72, 73, 74, 75, 78) pour commander le sens de rotation du moteur en fonction de l'erreur de position de ce dernier, les moyens de commande du sens de rotation étant contrôlés par un signal fourni par un circuit de correction (51) dont la fonction de transfert (K(s)) corrige un effet de jet (31, 32, 61) s'exerçant sur le tiroir (1). Application:Systèmes hydrauliques nécessitant de larges bandes passantes.

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