Electric work machinery
JP7875050B2Active Publication Date: 2026-06-17YANMAR HLDG CO LTD
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- YANMAR HLDG CO LTD
- Filing Date
- 2022-06-28
- Publication Date
- 2026-06-17
AI Technical Summary
Benefits of technology
【0008】 上記の構成によれば、コンパクトなレイアウトで第1熱交換器および第2熱交換器を冷却することができるとともに、第1熱交換器および第2熱交換器の冷却に用いる風のいずれかを有効利用することができる。
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Abstract
To cool a first heat exchanger and a second heat exchanger in a compact layout, and to utilize one of winds used for cooling of the first heat exchanger and the second heat exchanger effectively.SOLUTION: A hydraulic shovel serving as an electrically-driven work machine includes: an electric motor; an electric device connected to the electric motor through an electric power supply path; a first heat exchanger which cools a refrigerant passing through the electric device; a hydraulic pump which is driven by the electric motor and discharges a working fluid; a second heat exchanger which cools the working fluid; a fan; and a first passage part and a second passage part. The first passage part has, at one end, a first passage one end side opening. The second passage part has, at one end, a second passage one end side opening. The first passage one end side opening is located at a passage of a wind generated by driving of the fan and traversing the first heat exchanger. The second passage one end side opening is located at a passage of wind generated by driving of the fan and traversing the second heat exchanger.SELECTED DRAWING: Figure 8
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