B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
341/73.41
B60T 8/60 (2006.01) B60T 8/58 (2006.01) B60T 8/72 (2006.01)
Patent
CA 1217545
-27- Abstract of the Disclosure Multiple Threshold Wheel Slip Control Apparatus and Method Anti-wheel spin control systems are useful, for example, in industrial off-road vehicles. It is desirable that such systems operate automatically and not be unduly influenced by false slip signals caused by steering of the vehicle. It is further desirable that the operability of the control be readily determined by the operator. The instant anti-spin control in one embodiment includes apparatus for producing a slip signal having a value responsive to the difference in rotational velocity between the vehicle wheels, and means for producing a test signal. Processor apparatus receives the slip signal and test signal, compares the slip signal value with a first predetermined reference value in response to receiving the slip signal in the absence of the test signal, and compares the slip signal value with a second predetermined reference value in response to receiving both the slip signal and the test signal. A brake control signal is produced in response to the slip signal value exceeding the compared reference value, and the braking mechanism corresponding to the slipping wheel is activated.
479737
Phelps Weldon L.
Stahl Alan L.
Caterpillar Inc.
Kirby Eades Gale Baker
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