ELECTRICALLY DRIVED HYDRAULIC SYSTEM AND METHOD FOR CONTROLLING AN ELECTRICALLY DRIVED HYDRAULIC SYSTEM

DE602018078086T2Active Publication Date: 2025-01-01VOLVO CONSTRUCTION EQUIPMENT AB
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Patent Information

Application Number
DE602018078086
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Filing Date
2018-03-19
Publication Date
2025-01-01
Estimated Expiration
2038-03-19

AI Technical Summary

Technical Problem

Working machines like wheel loaders generate high noise levels due to their hydraulic systems, creating an unsuitable working environment for operators and crew.

Method used

An electrically powered hydraulic system with an electric motor that maintains constant speed in one operating range and varies speed in another, combined with an electronically controlled control valve to manage hydraulic fluid flow, reducing noise and maintaining functionality.

Benefits of technology

The system significantly reduces noise variations and maintains hydraulic system functionality by controlling electric motor speed and fluid flow, enabling quieter operation without compromising performance.

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