The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 14, 2026

Filed:

Aug. 01, 2024
Applicant:

Kubota Corporation, Osaka, JP;

Inventors:

Keita Aoki, Sakai, JP;

Kazuto Okazaki, Sakai, JP;

Daiki Tamba, Sakai, JP;

Shunya Takase, Sakai, JP;

Assignee:

KUBOTA CORPORATION, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60L 58/18 (2019.01); B60L 1/00 (2006.01); B60L 50/60 (2019.01);
U.S. Cl.
CPC ...
B60L 58/18 (2019.02); B60L 1/00 (2013.01); B60L 50/60 (2019.02); B60L 2200/40 (2013.01); B60L 2240/547 (2013.01);
Abstract

An electric work vehicle includes an electric motor to drive a vehicle body to travel, a first battery chargeable by an external power supply to supply driving electric power to the electric motor, a second battery that is rechargeable to supply electric power to an electric component installed in the vehicle body, a voltage converter to supply electric power while adjusting a voltage value between the first and second batteries, and a controller to which electric power is supplied from the second battery and configured or programmed to control a charge state during charging by the power supply and to control operation of the voltage converter. The control is configured or programmed to execute an interval charging process repeatedly at set time intervals to control operation of the voltage converter to charge the second battery using electric power supplied from the first battery.


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