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

專利號(hào)
US11888376B2
公開(kāi)日期
2024-01-30
申請(qǐng)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(shuō)明書

FIG. 47 is a cross-sectional view of a housing around power modules in a direction orthogonal to a circumferential direction.

DETAILED DESCRIPTION

A rotary electric machine unit, for example, has an electric motor as a rotary electric machine, an electric power conversion device that converts an electric power to be supplied to the electric motor from DC power to AC power, and a cooling device that cools the electric motor and the electric power conversion device. The cooling device may be formed into a tubular shape as a whole, and the electric motor may be accommodated in an internal space of the cooling device. The electric power conversion device may be packaged into a rectangular parallelepiped shape and be attached to an outer peripheral surface of the cooling device. The cooling device may cool the outer peripheral surface of the electric motor and the contact surface with the electric power conversion device.

權(quán)利要求

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