ELECTRIC CONSTRUCTION MACHINE
DE602020068232T2Active Publication Date: 2026-03-04HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD
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Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2020-03-26
- Publication Date
- 2026-03-04
AI Technical Summary
Technical Problem
Existing power-operated hydraulic excavators face challenges in efficiently cooling electrical and hydraulic equipment due to differing temperature bands, as they are accommodated in the same space and cooled by a single cooling system.
Method used
The excavator is partitioned into separate electrical and hydraulic equipment rooms, each with dedicated cooling devices, including fans and radiators, to individually manage the distinct temperature requirements of electrical and hydraulic components.
Benefits of technology
This configuration allows for efficient cooling of both electrical and hydraulic equipment, maintaining optimal operating temperatures and enhancing the reliability of the excavator by preventing direct heat transfer and optimizing cooling efficiency.
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