公开(公告)号：US20230102677A1

公开(公告)日：2023-03-30

申请号：US17955547

申请日：2022-09-29

Applicant: NIDEC CORPORATION

Inventor： Hiroki AKAISHI ,  Kazuyuki YAMAMOTO ,  Daisuke OGASAWARA ,  Shuhei NAKAMATSU

IPC: H02K11/33 ,  H02K5/04

Abstract: In an electric power unit including: an electric motor accommodated in a motor accommodating portion formed in a housing; an inverter accommodated in an inverter accommodating portion formed in an upper portion of the housing; and a harness storing portion that is provided in the inverter accommodating portion and protrudes from an end surface of the housing in a motor-axis direction, at least one fastening portion that supports the harness storing portion from below is formed in the harness storing portion, the fastening portion is provided with a seat surface and at least one rib adjacent to the seat surface and connected to a lower surface of the inverter accommodating portion, and the harness storing portion is fastened to the housing by a bolt (fastener) inserted into the seat surface.

公开(公告)号：US20200313506A1

公开(公告)日：2020-10-01

申请号：US16788309

申请日：2020-02-12

Applicant: NIDEC CORPORATION

Inventor： Jun MURAKAMI ,  Kazuyuki YAMAMOTO ,  Daisuke OGASAWARA ,  Yuki ISHIKAWA

IPC: H02K5/24 ,  H02K1/18 ,  H02K7/00 ,  B60K1/00

Abstract: A motor according to a preferred embodiment of the present disclosure includes a rotor arranged to be capable of rotating about a central axis, a stator located radially outside of the rotor, a housing arranged to house the rotor and the stator, and a plurality of bolts arranged to fasten the stator to the housing. The housing includes a tubular portion arranged radially outside of the stator to surround the stator; a plurality of stator support portions each of which is arranged to project radially inward from an inner circumferential surface of the tubular portion, and includes a seating surface arranged to face a first axial side; and screw holes each of which is arranged to open in the seating surface of a separate one of the stator support portions. The stator includes a plurality of through holes each of which is arranged to extend along an axial direction. The bolts are passed through the through holes of the stator and screwed into the screw holes of the stator support portions. The housing includes a rib arranged to project radially outward from an outer circumferential surface of the tubular portion on the first axial side of the seating surfaces of the stator support portions.