公开(公告)号：US11211842B2

公开(公告)日：2021-12-28

申请号：US16826755

申请日：2020-03-23

Applicant: MINEBEA MITSUMI Inc.

Inventor： Hiroaki Mochizuki ,  Minoru Kuroda

IPC: H02K5/16 ,  H02K5/167 ,  H02K7/08

Abstract: An inner-rotor motor including: an armature assembly including a rotating shaft, an armature unit coupled to the rotating shaft and a pressing unit; a frame assembly including a frame housing the armature unit, a first bearing unit located on one side with respect to the armature unit in an axial direction, and a second bearing unit located on another side with respect to the armature unit in the axial direction; and an urging structure that urges the rotating shaft in a direction away from the second bearing unit and that presses the pressing unit toward the first bearing unit.

公开(公告)号：US11764637B2

公开(公告)日：2023-09-19

申请号：US17455679

申请日：2021-11-19

Applicant: MINEBEA MITSUMI Inc.

Inventor： Hiroaki Mochizuki ,  Minoru Kuroda

IPC: H02K5/16 ,  H02K5/167 ,  H02K7/08

CPC classification number: H02K5/161 ,  H02K5/1672 ,  H02K7/083

Abstract: An inner-rotor motor including: an armature assembly including a rotating shaft, an armature unit coupled to the rotating shaft and a pressing unit; a frame assembly including a frame housing the armature unit, a first bearing unit located on one side with respect to the armature unit in an axial direction, and a second bearing unit located on another side with respect to the armature unit in the axial direction; and an urging structure that urges the rotating shaft in a direction away from the second bearing unit and that presses the pressing unit toward the first bearing unit.

公开(公告)号：US10903713B2

公开(公告)日：2021-01-26

申请号：US15376127

申请日：2016-12-12

Applicant: MINEBEA MITSUMI INC.

Inventor： Hiroaki Mochizuki ,  Minoru Kuroda

IPC: H02K5/16 ,  H02K5/167 ,  H02K7/08

Abstract: An inner-rotor motor including: an armature assembly including a rotating shaft, an armature unit coupled to the rotating shaft and a pressing unit; a frame assembly including a frame housing the armature unit, a first bearing unit located on one side with respect to the armature unit in an axial direction, and a second bearing unit located on another side with respect to the armature unit in the axial direction; and an urging structure that urges the rotating shaft in a direction away from the second bearing unit and that presses the pressing unit toward the first bearing unit.