Tractor with ground rotated member and driven wheel revolution c

Details Tractor with ground rotated member and driven wheel revolution c Tractor with ground rotated member and driven wheel revolution c

1981-11-27

1984-08-14

Stouffer, Richard T.

Earth working

Automatic power control

Draft responsive

180197, 364426, A01B 63112

Patent

active

044651422

ABSTRACT:
A tractor is provided with a wheel slippage control to regulate the load produced by an implement. Wheel slippage is measured by pulses received from tachometers measuring the rotation of a non-driven wheel and a driven wheel. These pulses are applied to associated counters, where the total number of pulses received from each wheel is continuously counted. If the difference between the counts of the counters reaches a preset amount, a signal is applied to the control valve of a lifting device attached to the tractor, so that an implement carried by the device penetrates less deeply into the soil. After the lifting device has been energized, the counters are reset to zero to continue counting until reset again.

REFERENCES:
patent: 3811526 (1974-05-01), Adahan
patent: 4086563 (1978-04-01), Bachman
patent: 4098367 (1978-07-01), Fleischer
patent: 4125295 (1978-11-01), Ruhnav et al.

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