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:
Dec. 23, 2025

Filed:

Apr. 05, 2023
Applicant:

Kubota Corporation, Osaka, JP;

Inventors:

Yuji Hirase, Osaka, JP;

Sumio Yagyu, Osaka, JP;

Kazuto Okazaki, Osaka, JP;

Tsunehiro Ii, Osaka, JP;

Assignee:

KUBOTA CORPORATION, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60K 11/02 (2006.01); B60K 6/40 (2007.10);
U.S. Cl.
CPC ...
B60K 11/02 (2013.01); B60K 6/40 (2013.01); B60Y 2200/221 (2013.01);
Abstract

A work vehicle includes: a travel device; a battery; a motor configured to supply motive power to the travel device; an inverter configured to enable the motor to operate; a first storage section configured to store a first coolant; and a second storage section configured to store a second coolant. The first coolant in the first storage section is supplied to the motor by the first pump, and returns from the motor to the first storage section, and the second coolant in the second storage section is supplied to the inverter by the second pump, and returns from the inverter to the second storage section.


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