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Rotary electric machine unit having rotary electric machine with cooling part and electric power conversion device

專利號
US11888376B2
公開日期
2024-01-30
申請人
DENSO CORPORATION(JP Kariya)
發(fā)明人
Ryota Tanabe; Yuta Hashimoto; Tomohisa Sano; Tomoyuki Shinkai
IPC分類
H02K5/20; H02K11/33; H02K5/22
技術(shù)領(lǐng)域
terminals,70e,main,in,70c,capacitor,power,direction,housing,cooling
地域: Kariya

摘要

A rotary electric machine unit including a rotary electric machine, and an electric power conversion device having a plurality of power modules. The rotary electric machine includes a stator, a rotor, and a housing. The housing includes a housing flow path through which a refrigerant flows. The power modules of the electric power conversion device and the rotary electric machine are configured to be cooled by the refrigerant.

說明書

The example in which the semiconductor device 20 is arranged adjacent to the outer cooling part 713 in the power module 110 has been described. However, the present embodiment is not limited to such a configuration. The capacitor C1 may be arranged adjacent to the outer cooling part 713. However, it is preferable to cool the semiconductor device 20 having a large temperature change per unit time on the side adjacent to the outer cooling part 713.

Fourth Embodiment

The present embodiment can refer to the preceding embodiment. Therefore, the descriptions of the parts common to the drive system 1, the electric power conversion device 5, the semiconductor device 20, the power module 110, and the motor unit 800 shown in the preceding embodiment will be omitted.

權(quán)利要求

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