US 11,730,074 B2
Work vehicle
Tetsuo Yamaguchi, Osaka (JP); and Takudai Matsuda, Saka (JP)
Assigned to KUBOTA CORPORATION, Osaka (JP)
Filed by KUBOTA CORPORATION, Osaka (JP)
Filed on Feb. 11, 2021, as Appl. No. 17/173,227.
Claims priority of application No. 2020-030388 (JP), filed on Feb. 26, 2020.
Prior Publication US 2021/0259147 A1, Aug. 26, 2021
Int. Cl. A01B 63/10 (2006.01); A01B 59/06 (2006.01); A01B 63/118 (2006.01); A01B 76/00 (2006.01)
CPC A01B 63/1006 (2013.01) [A01B 59/067 (2013.01); A01B 63/118 (2013.01); A01B 76/00 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A work vehicle comprising:
a hydraulic drive;
a lifting mechanism to control at least one of a height and a posture of a work machine connected to the work vehicle using the hydraulic drive;
an oil-temperature acquirer to acquire an oil temperature to be used for the hydraulic drive;
a maximum oil amount setter to set a maximum oil amount according to the oil temperature acquired by the oil-temperature acquirer, the maximum oil amount being a maximum value of a supply amount of oil used to drive the hydraulic drive; and
a hydraulic drive controller to control the hydraulic drive below the maximum oil amount set by the maximum oil amount setter; wherein
a selection of either one of an accuracy priority in which priority is given to an accuracy of a target position to which the work machine is moved and a time priority in which priority is given to a time required to move the work machine to the target position is possible; and
the maximum oil amount setter is configured or programmed to:
when the accuracy priority is selected, set the maximum oil amount according to the oil temperature.