Work vehicle

By arranging energy storage devices vertically or horizontally along the hydrogen tank and positioning them within the vehicle frame, the challenge of hydrogen tank detachment is addressed, enabling efficient operation with large-capacity storage devices.

WO2026140541A1PCT designated stage Publication Date: 2026-07-02KUBOTA CORP
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
KUBOTA CORP
Filing Date
2025-11-07
Publication Date
2026-07-02

AI Technical Summary

Technical Problem

Existing work vehicles with large-capacity power storage devices face challenges in optimizing the arrangement of multiple power storage devices, which hinders the detachment and attachment of hydrogen tanks, especially when the power storage devices are positioned around the hydrogen tank.

Method used

The arrangement of energy storage devices is optimized by positioning them vertically or horizontally along the longitudinal direction of the hydrogen tank, and at least a part of the energy storage device is placed within the vehicle frame, with the hydrogen tank positioned above the vehicle frame.

Benefits of technology

This configuration allows for smoother detachment and attachment of the hydrogen tank while accommodating a large-capacity energy storage device, optimizing the vehicle's layout and enhancing operational efficiency.

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    Figure JP2025039142_02072026_PF_FP_ABST
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Abstract

The present invention provides a work vehicle capable of optimizing the arrangement of a plurality of power storage devices.　The present invention comprises: a vehicle body (5); a hydrogen tank (21) provided in the vehicle body (5); a fuel cell (22) that is provided in the vehicle body (5) and generates electric power using hydrogen supplied from the hydrogen tank (21); and a plurality of power storage devices (24) that store electric power generated by the fuel cell (22), wherein the plurality of power storage devices (24) are arranged in either the vertical direction or the lateral direction of the vehicle body (5) along the longitudinal direction of the hydrogen tank (21).
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