US 12,070,995 B2
Cooling arrangement for electric work vehicle
Norita Tottori, Sakai (JP); Hironobu Nogami, Sakai (JP); Daisuke Miyazaki, Sakai (JP); Renta Kasai, Sakai (JP); and Daisuke Nakayama, Sakai (JP)
Assigned to KUBOTA CORPORATION, Osaka (JP)
Appl. No. 17/619,524
Filed by KUBOTA CORPORATION, Osaka (JP)
PCT Filed May 27, 2020, PCT No. PCT/JP2020/020873
§ 371(c)(1), (2) Date Dec. 15, 2021,
PCT Pub. No. WO2020/261846, PCT Pub. Date Dec. 30, 2020.
Claims priority of application No. 2019-116723 (JP), filed on Jun. 24, 2019.
Prior Publication US 2022/0379703 A1, Dec. 1, 2022
Int. Cl. B60K 1/04 (2019.01); B60K 11/04 (2006.01); B60L 1/00 (2006.01); B60L 50/60 (2019.01); B62D 25/08 (2006.01); B62D 25/10 (2006.01); B60K 1/00 (2006.01); B62D 49/06 (2006.01)
CPC B60K 1/04 (2013.01) [B60K 11/04 (2013.01); B60L 1/00 (2013.01); B60L 50/60 (2019.02); B62D 25/084 (2013.01); B62D 25/10 (2013.01); B60K 2001/003 (2013.01); B60K 2001/0411 (2013.01); B60L 2200/40 (2013.01); B62D 49/06 (2013.01)] 7 Claims
OG exemplary drawing
 
1. An electric work vehicle, comprising:
a travel battery;
an auxiliary battery to supply electric power to only one or more auxiliaries;
a motor drivable on electric power supplied by the travel battery;
a travel device drivable by only the motor;
a voltage converter positioned forward of the travel battery to step down a voltage of direct-current electric power from the travel battery and supply the direct-current electric power to the auxiliary battery; and
a radiator positioned forward of the travel battery; wherein
the electric power that the auxiliary battery supplies is not used to drive the travel device; and
the voltage converter and the radiator are laterally next to each other in a plan view.