To effectively cool a component of an inverter.SOLUTION: An inverter 14 contains a loading plate 50A, and includes: an inverter case 50 onto which a sealed space is formed; a capacitor 51 that is held by the loading plate 50A in the sealed space; a power transistor 52 that is held by the loading plate 50A in the sealed space; a resistance 53 that is held by the loading plate 50A in the sealed space; and an inverter coolant passage 55 that is provided to an inner part of the loading plate 50A, and is circulated in the inverter 14 to flow a coolant for cooling the capacitor 51, the power transistor 52, and the resistance 53. The power transistor 52 includes a heat sink, and the inverter coolant passage 55 includes an open hole penetrated to the sealed space. The heat sink penetrates the open hole to be projected into the inverter coolant passage 55.SELECTED DRAWING: Figure 8

    【課題】インバータの部品を効率的に冷却することを目的とする。【解決手段】インバータ14は、搭載板50Aを含み、密閉空間が形成されるインバータケース50と、密閉空間内において搭載板50Aに保持されるコンデンサ51と、密閉空間内において搭載板50Aに保持されるパワートランジスタ52と、密閉空間内において搭載板50Aに保持される抵抗53と、搭載板50Aの内部に設けられ、インバータ14内を巡回して、コンデンサ51、パワートランジスタ52、および抵抗53を冷却する冷媒が流通されるインバータ冷媒流路55とを有し、パワートランジスタ52はヒートシンクを有し、インバータ冷媒流路55は密閉空間に向けて貫通する貫通孔を有し、ヒートシンクは貫通孔を貫通してインバータ冷媒流路55内に突出する。【選択図】図8


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    Title :

    ELECTRICALLY-DRIVEN MOBILE VEHICLE


    Additional title:

    電動作業車


    Contributors:

    Publication date :

    2023-07-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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