Steering system for articulated vehicles

Details Steering system for articulated vehicles Steering system for articulated vehicles

1976-12-22

1978-01-31

Peters, Jr., Joseph F.

Motor vehicles

Surface effect vehicles

Dynamic seal or fluid curtain

91388, B62D 506

Patent

active

040711080

ABSTRACT:
An articulated vehicle has a pair of hydraulic steering cylinders for causing angular motion of a forward vehicle portion relative to its rearward portion under the control of a steering control valve which is actuated from a steering wheel via a linkage system. Arranged between the steering cylinders and the steering control valve are a pair of flow dividers which upon actuation of the steering cylinders operate to selectively deliver part of the hydraulic fluid drained therefrom to the opposed fluid chambers of a follow-up cylinder having its piston rod coupled to the linkage system. The follow-up cylinder when thus actuated causes the linkage system to return the steering control valve to neutral. In an alternate embodiment of the invention the flow dividers are replaced by hydraulic motors which on selective actuation drive respective pumps communicating with the fluid chambers of the follow-up cylinder.

REFERENCES:
patent: 2936038 (1960-05-01), Rockwell
patent: 3444948 (1969-05-01), Bianchetta
patent: 3872773 (1975-03-01), Denker
patent: 3952825 (1976-04-01), Beyers

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