US 11,815,168 B2
Work vehicle
Tsuyoshi Gono, Osaka (JP); Yuji Hirase, Osaka (JP); Atsushi Jinnai, Osaka (JP); Susumu Takeoka, Osaka (JP); Masahiro Sakaguchi, Osaka (JP); and Kazuma Ishihara, Osaka (JP)
Assigned to KUBOTA CORPORATION, Osaka (JP)
Filed by KUBOTA CORPORATION, Osaka (JP)
Filed on May 24, 2022, as Appl. No. 17/752,014.
Application 17/752,014 is a continuation of application No. PCT/JP2020/047950, filed on Dec. 22, 2020.
Claims priority of application No. 2019-239898 (JP), filed on Dec. 27, 2019.
Prior Publication US 2022/0290748 A1, Sep. 15, 2022
Int. Cl. F16H 47/04 (2006.01); F16H 59/72 (2006.01); F16H 61/02 (2006.01); B60K 17/10 (2006.01); B60K 17/08 (2006.01); F16H 57/04 (2010.01)
CPC F16H 47/04 (2013.01) [B60K 17/08 (2013.01); B60K 17/10 (2013.01); F16H 57/0413 (2013.01); B60Y 2200/221 (2013.01); F16H 59/72 (2013.01); F16H 2061/0241 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A work vehicle comprising:
a vehicle body;
a travel device provided on the vehicle body;
a prime mover provided in the vehicle body;
a transmission device to speed-change and transmit a driving force from the prime mover to the travel device;
a transmission case housing the transmission device and being filled with lubricating oil;
a control device to switch between a warm-up operation mode in which a gear of the transmission device is rotated in a state in which transmission of power from the transmission device to the travel device is blocked and a travel operation mode in which the gear is rotated in a state in which the power is transmitted from the transmission device to the travel device; and
a temperature measurement device to measure a temperature of the lubricating oil, wherein
the control device is configured or programmed to switch to the warm-up operation mode when the temperature measured by the temperature measurement device is lower than a threshold value, and to switch to the travel operation mode when the temperature is equal to or higher than the threshold value.