All-electric A.C. tractor

Details All-electric A.C. tractor All-electric A.C. tractor

1979-11-05

1982-09-07

Reeves, Robert B.

Motor vehicles

Power

Electric

198308, B60L 1108

Patent

active

043479073

ABSTRACT:
An electronic differential speed control circuit for driving the inboard and outboard A.C. wheel motors at different relative speeds depending upon the steering angle during a turn. An electrical circuit for sensing the torque of the tractor's wheel motors to maintain a constant implement draft. A hollow tubular axle pivots around the tractor's longitudinal material-transferring tunnel to conserve space and permit mounting of the wheel motors within the axle. The tunnel has two material-transferring compartments or passageways, and has vertically movable extensions on either end to facilitate coupling to accessories. An electrical power outlet is provided for energizing non-motor driven accessories.

REFERENCES:
patent: 2964158 (1960-12-01), Walls
patent: 4093087 (1978-06-01), De Coene
patent: 4113045 (1978-09-01), Downing

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