公开(公告)号：US20210167646A1

公开(公告)日：2021-06-03

申请号：US16953845

申请日：2020-11-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jungwoo PARK ,  Cheo PARK ,  Byoungsoo KO ,  Dongbum LEE ,  Jonghyun CHOI

IPC: H02K1/27 ,  H02K15/02 ,  H02K1/18 ,  H02K5/08 ,  H02K1/14

Abstract: A motor having a compact volume by reducing sizes in axial and radial directions includes a stator, and a rotor arranged outside the stator and rotated by electromagnetically interacting with the stator, wherein the rotor includes a ring-shaped back yoke, a plurality of magnets separately arranged inside of the back yoke along a circumferential direction of the back yoke, and a frame arranged to combine the back yoke and the plurality of magnets, and having an open side through which an outer surface of the back yoke is exposed to an outside of the frame.