公开(公告)号：US20230327513A1

公开(公告)日：2023-10-12

申请号：US18186245

申请日：2023-03-20

Applicant: MINEBEA MITSUMI Inc.

Inventor： Jun OHMURA ,  Koichiro HIRABAYASHI ,  Yukimasa MATSUMURA

IPC: H02K5/14 ,  H02K5/22 ,  H01R39/39

CPC classification number: H02K5/225 ,  H01R39/39 ,  H02K5/148

Abstract: A motor includes: a lid including an opening; a bracket including a projecting part; and a terminal extending from the projecting part. A part of the bracket is covered by the lid. The projecting part projects from the opening of the lid.

公开(公告)号：US20220268350A1

公开(公告)日：2022-08-25

申请号：US17650262

申请日：2022-02-08

Applicant: MINEBEA MITSUMI Inc.

Inventor： Koichiro HIRABAYASHI ,  Yukimasa MATSUMURA ,  Jun OHMURA ,  Kodai KAMEOKA

IPC: F16H57/025 ,  F16H57/028 ,  F16H57/039 ,  H02K7/116 ,  H02K5/24

Abstract: A rotating device includes a motor, a gear, and a housing configured to accommodate the motor and the gear. The housing includes a first housing, a second housing, and a joining element for joining the first housing and the second housing. The first housing includes a first attaching part attached to an external device. The second housing includes a second attaching part attached to the external device. The first attaching part and the second attaching part include surfaces opposing each other after the housing is assembled. The first attaching part and the second attaching part include the joining element.

公开(公告)号：US20170302128A1

公开(公告)日：2017-10-19

申请号：US15479894

申请日：2017-04-05

Applicant: MINEBEA MITSUMI INC.

Inventor： Jun OHMURA ,  Makoto OTSUKA

IPC: H02K5/22 ,  H02K15/10 ,  H02K11/25

CPC classification number: H02K5/225 ,  H02K5/08 ,  H02K11/25 ,  H02K15/0062 ,  H02K15/10 ,  H02K15/14

Abstract: A motor includes a stator including a terminal and a casing that houses the stator, in which the casing includes a casing body with high thermal conductivity that includes an opening in which the terminal is disposed and houses the stator and a casing block disposed in the opening and with an insulating property and high thermal conductivity, and the casing block includes a housing part that houses a distal end portion of the terminal.

公开(公告)号：US20220200399A1

公开(公告)日：2022-06-23

申请号：US17654672

申请日：2022-03-14

Applicant: MINEBEA MITSUMI Inc.

Inventor： Jun OHMURA

IPC: H02K7/04 ,  H02K5/173 ,  H02K7/08

Abstract: A motor (1) including a rotary shaft (2) and a bearing portion (53) including an inner ring and an outer ring and a magnet (51) and a balance adjusting portion (52). The balance adjusting portion (52) and the magnet (51) are fixed. The balance adjusting portion (52) is in contact with an inner ring of the bearing portion (53).

公开(公告)号：US20210367460A1

公开(公告)日：2021-11-25

申请号：US17319541

申请日：2021-05-13

Applicant: MINEBEA MITSUMI Inc.

Inventor： Jun OHMURA

IPC: H02K1/18 ,  H02K5/04

Abstract: A stator of a motor includes a plurality of magnetic bodies stacked in a direction of a central axis (X), a case configured to hold the plurality of magnetic bodies, a cover configured to cover the case, and a pillar including a guiding part configured to guide the plurality of magnetic bodies in the direction of the central axis (X). The plurality of magnetic bodies include a guided part guided by the pillar. The pillar includes an outer peripheral surface including positioning parts. The positioning parts determine relative positions of the case and the cover in an axial direction.

公开(公告)号：US20210075294A1

公开(公告)日：2021-03-11

申请号：US16961815

申请日：2018-08-27

Applicant: MINEBEA MITSUMI Inc.

Inventor： Jun OHMURA

IPC: H02K7/04 ,  H02K7/08 ,  H02K15/16

Abstract: A rotor according to an embodiment includes a cylindrical magnet and a balance adjusting portion. The balance adjusting portion is provided to at least one end portion of the magnet in a rotation axis direction, and is used for adjusting rotational balance of the rotor. The balance adjusting portion has a first member that is in contact with an end portion of the magnet and a second member press-fitted onto the rotary shaft with the first member interposed therebetween.

公开(公告)号：US20240055928A1

公开(公告)日：2024-02-15

申请号：US18259138

申请日：2021-12-16

Applicant: MINEBEA MITSUMI Inc.

Inventor： Jun OHMURA

IPC: H02K5/15 ,  H02K1/27915 ,  H02K5/173

CPC classification number: H02K5/15 ,  H02K1/27915 ,  H02K5/1737

Abstract: To achieve miniaturization in the rotation axis direction. A motor includes a stator housing having an inner peripheral portion and an outer peripheral portion, a stator supported by an outer peripheral portion of the stator housing, a rotor housing covering the stator housing and the stator, and a magnet supported by an outer peripheral portion of the rotor housing. The stator includes a first surface provided at an inner side of the magnet, supported by the stator housing and positioned in a rotation axis direction, and a second surface opposing an outside in the rotation axis direction. A surface of the magnet supported by the rotor housing is provided at an upper surface portion side of the stator core in the rotation axis direction.

公开(公告)号：US20210057947A1

公开(公告)日：2021-02-25

申请号：US16964776

申请日：2018-08-27

Applicant: MINEBEA MITSUMI Inc.

Inventor： Jun OHMURA

IPC: H02K1/30 ,  H02K1/27 ,  H02K7/04 ,  H02K15/03 ,  H02K15/16 ,  B23P19/02

Abstract: A rotor according to an embodiment includes a cylindrical magnet, a holder, and a balance adjusting portion. The cylindrical magnet has a bore portion into which a rotary shaft is inserted, the inner diameter of the bore portion being larger than the outer diameter of the rotary shaft. The holder is made of resin, and has a tubular portion formed in the bore portion of the magnet and a protruding portion protruding from the magnet in the rotation axis direction, the holder being press-fitted onto the rotary shaft. The balance adjusting portion is press-fitted onto the rotary shaft with the protruding portion interposed therebetween.