B - Operations – Transporting – 66 – F
Patent
B - Operations, Transporting
66
F
B66F 9/22 (2006.01) B66F 9/06 (2006.01)
Patent
CA 2528670
A hydraulic system for a suspension system is disclosed. The system has a hydraulic cylinder, a hydraulic tank, a conveying means, a hydraulic accumulator, a control device, a load holding device disposed between the hydraulic accumulator and the hydraulic cylinder, and an on-off valve disposed between the hydraulic accumulator and the control device. In order to provide a suspension function for the hydraulic cylinder while simultaneously ensuring safeguarding of the hydraulic cylinder and of the hydraulic accumulator against a pressure drop in the case of a tube break, the present invention provides a system that controls the on-off valve and the load holding device synchronously through a control pressure device, such that when the suspension function is activated the load holding device is opened and the on-off valve is closed.
Système hydraulique pour système de suspension. Le système comprend un cylindre hydraulique, un réservoir hydraulique, un moyen de transport, un accumulateur hydraulique, un dispositif de commande, un dispositif de retenue de charge situé entre l'accumulateur hydraulique et le cylindre hydraulique, ainsi qu'une vanne à deux voies située entre l'accumulateur hydraulique et le dispositif de commande. Afin de fournir une suspension au cylindre hydraulique tout en protégeant ce dernier et l'accumulateur hydraulique des chutes de pression en cas de rupture de tuyau, le système hydraulique commande la vanne à deux voies et le dispositif de retenue de charge de manière synchrone au moyen d'un dispositif de réglage de la pression, de sorte que lorsque la fonction de suspension est activée, le dispositif de retenue de charge est ouvert et la vanne à deux voies est fermée.
Borden Ladner Gervais Llp
Deere & Company
LandOfFree
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