Rear wheel steering system

Details Rear wheel steering system Rear wheel steering system

1993-02-12

1995-09-12

Culbreth, Eric D.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

180142, 180162, B62D 506

Patent

active

054491860

ABSTRACT:
An actuating system is provided that includes a differential hydraulic cylinder containing a piston and a piston rod connected to one side of the piston. A first or head chamber (53) is defined in the cylinder and is bounded by the one side of the piston, to which the piston rod is not connected. A second or rod chamber (54) is also defined in the cylinder and is bounded by the other side of the piston, to which the piston rod is connected. An actuatable assembly is provided that is adapted to be connected to either the hydraulic cylinder or the piston rod. Finally, a proportional control valve is provided which is adapted to actuate the hydraulic cylinder by controlling the amount of fluid supply to the first chamber, wherein the supply pressure is connected to the second chamber.

REFERENCES:
patent: 4973069 (1990-11-01), Edahiro et al.
patent: 5012881 (1991-05-01), Yokote et al.
patent: 5048627 (1991-09-01), Eguchi et al.
patent: 5099938 (1992-03-01), Watanabe et al.
patent: 5186273 (1993-02-01), Mori
patent: 5195603 (1993-03-01), Sugiyama
patent: 5217083 (1993-06-01), Bachhuber et al.

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