B - Operations – Transporting – 60 – K
Patent
B - Operations, Transporting
60
K
B60K 28/16 (2006.01) B60W 30/18 (2006.01) F16H 61/42 (2006.01)
Patent
CA 2503916
A drive system of a working vehicle including a main engine drivingly connected to a hydraulic pump. The hydraulic pump is connected to first and second hydraulic motors. When an undesirable operating condition is detected, a control device shifts an actuator associated with at least one of the wheels, to reduce the displacement volume of the hydraulic motors driving that wheel. In addition, shifts are made in the actuator of the respective other hydraulic motor and/or in the actuator of the hydraulic pump, in order to maintain a constant speed of travel. The control device shifts the actuator of the hydraulic motor of the other wheel toward greater displacement, and if that shift is insufficient to compensate for the undesirable operating condition, the control device will shift the actuator of the hydraulic pump in the direction of reduced displacement volume.
Borden Ladner Gervais Llp
Deere & Company
LandOfFree
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