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US 8,412,420 B2Granted
Wheel lean control
AssigneeDeere & Company
InventorsMartin L. Ruhter, Brent A. Smith
Life of this patent
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Abstract
A work vehicle comprises a leanable traction wheel. A control unit of the work vehicle is configured to cause the wheel to move to a wheel-lean angle setpoint.
Claims20
A work vehicle, comprising:
- an axle,
- a traction wheel coupled to the axle to move relative thereto to lean at a present wheel-lean angle from neutral,
- a wheel-lean angle sensor positioned to sense an indication of the present wheel-lean angle,
- a setpoint activation control,
- a wheel-lean actuator coupled to the traction wheel to lean the traction wheel relative to neutral, and
- a control unit coupled to the wheel-lean angle sensor, the setpoint activation control, and the wheel-lean actuator, the control unit configured to perform feedback control of the present wheel-lean angle causing the wheel-lean actuator to move the traction wheel automatically such that the present wheel-lean angle assumes the wheel-lean angle setpoint in response to operation of the setpoint activation control.
3 more elements
Dependencies are inferred from the claim text.