Electric excavator

WO2026127108A1PCT designated stage Publication Date: 2026-06-18SUMITOMO CONSTRUCTION MACHINERY

Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
SUMITOMO CONSTRUCTION MACHINERY
Filing Date
2025-12-12
Publication Date
2026-06-18

AI Technical Summary

Technical Problem

Existing electric excavators require operators to manually check battery charging status, increasing operational burden by necessitating movement to the driver's cab for information access.

Method used

An electric excavator system that includes a detection unit for the door of the driver's cab, triggering charging information display when the door is opened, allowing real-time charging updates without operator intervention.

🎯Benefits of technology

Reduces operational burden by providing timely charging information directly to the operator, enhancing convenience and efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure JP2025043405_18062026_PF_FP_ABST
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Abstract

An electric excavator according to one aspect of the present embodiment comprises: a lower traveling body; an upper rotating body rotatably mounted on the lower traveling body; an attachment connected to the upper rotating body; a driver cabin mounted on the upper rotating body; an output device provided inside the driver cabin; an openable and closable door for accessing the inside of the driver cabin; a detector that detects the opening and closing of the door; a power storage device; and a controller that, when the detector detects that the door has been opened, performs control to output, from the output device, information related to charging performed on the power storage device.
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