Roll stiffening and dampening in articulated vehicles

Details Roll stiffening and dampening in articulated vehicles Roll stiffening and dampening in articulated vehicles

B - Operations, Transporting

62

D

280/126

B62D 53/02 (2006.01) E02F 9/08 (2006.01)

Patent

CA 1065914

ROLL STIFFENING AND DAMPENING IN ARTICULATED VEHICLES ABSTRACT OF THE DISCLOSURE An articulated vehicle comprising first and second vehicle frames, ground engaging devices on each of the frames for engaging the underlying terrain and supporting the vehicle for movement thereover, a coupling securing the frames together for relative rolling movement about a generally horizontal axis and for relative pivotal movement about a generally vertical axis, a double-acting hydraulic cylinder interconnecting the frames at a location on at least one frame remote from the coupling, a pair of fluid flow restrictions, one connected to each end of the cylinder, and a pair of accumulators, each con- nected to a corresponding one of the restrictions to receive from or direct hydraulic fluid to the corresponding end of the cylinder through the associated restriction to thereby resist and dampen relative rolling movement of the frames. - 1 -

289190

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