Vehicles with differential speed steering

Details Vehicles with differential speed steering Vehicles with differential speed steering

1983-11-10

1985-11-19

Pekar, John A.

Motor vehicles

Steering by driving

Independently operable drive motors

60444, B62D 1104

Patent

active

045536201

ABSTRACT:
Vehicles with differential speed steering are provided having a hydrostatic transmission on each side for driving the drive wheels on that side, a spring-loaded servo piston operating a final control element of each transmission, at least one control pressure pick-off connected to the operating cylinders for controlling forward and backward travel, a pair of second control pressure pick-offs connected with the operating cylinders for controlling turning, a manually controlled pilot valve in a connection between the second control pick-offs and the operating cylinder and a control pressure reducing valve acting on the second control pressure pick-offs reducing the pressure to prescribed characteristics independently of the incoming pressure with respect to the actuation path.

REFERENCES:
patent: 3946560 (1976-03-01), MacIntosh et al.

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