Work machine, especially dump truck or truck

By relocating power electronics to the driven axle and integrating them into the vehicle frame, the dump truck design addresses the issues of complex wiring and electromagnetic interference, improving safety and serviceability.

DE102014003203B4Undetermined Publication Date: 2026-06-25LIEBHERR MINING EQUIP COLMAR SAS
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Patent Information

Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
LIEBHERR MINING EQUIP COLMAR SAS
Filing Date
2014-03-06
Publication Date
2026-06-25

AI Technical Summary

Technical Problem

The complexity and risk of electromagnetic interference, as well as the need for long cable runs, are exacerbated by the large dimensions of dump trucks with diesel-electric drives, particularly due to the placement of power electronics on the upper deck, posing hazards and increasing the likelihood of electromagnetic interference.

Method used

The power electronics are relocated to the region of the driven axle, minimizing cable lengths and reducing electromagnetic interference by integrating them into the vehicle frame, preferably between the frame members, and designed modularly for easier access and service.

Benefits of technology

This arrangement reduces cable lengths, minimizes electromagnetic interference, simplifies wiring, enhances serviceability, and reduces the risk to operating personnel by placing power electronics in a safer, more accessible location.

✦ Generated by Eureka AI based on patent content.

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Abstract

Working machine with a diesel-electric drive, comprising at least one internal combustion engine (40), at least one generator (60), at least one power electronics unit (100), and at least one electric motor (80), wherein the power electronics unit (100) is at least partially arranged in the area of ​​a driven axle of the working machine and the power electronics unit (100) is divided into two or more functional modules (101, 102, 103), wherein each functional module (101, 102, 103) has an encapsulated housing, and wherein at least a part of the power electronics unit (100) divided into functional modules (101, 102, 103) is mounted between two frame members of the vehicle frame (12), characterized in that the part of the functional modules (101, 102, 103) mounted between two frame members is arranged side by side on a mounting frame (110) between the frame members of the vehicle frame (12) and is supported by the mounting frame (110) on longitudinal beams (12a,12b) is attached.,
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