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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

FIG. 27 is a view for illustrating connections of the semiconductor device, a smoothing capacitor, and each bus bar.

FIG. 28 is an equivalent circuit diagram including a wiring parasitic inductance.

FIG. 29 is a schematic diagram showing another example of FIG. 27.

FIG. 30 is a diagram showing a schematic configuration of a rotary electric machine.

FIG. 31 is a cross-sectional view taken along a line XXXI-XXXI in FIG. 30.

FIG. 32 is a perspective view of a rotary electric machine unit.

FIG. 33 is a view of a motor generator when viewed in a radial direction.

FIG. 34 is a diagram for explaining a configuration of a housing flow path.

FIG. 35 is a schematic cross-sectional view showing a cooling structure.

FIG. 36 is a schematic cross-sectional view showing another example of the housing flow path for the cooling structure.

FIG. 37 is a schematic cross-sectional view showing another example of the configuration of a power module for the cooling structure.

權(quán)利要求

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