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.

公开(公告)号：US20250132622A1

公开(公告)日：2025-04-24

申请号：US18828417

申请日：2024-09-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jonggun KIM ,  Incheol HWANG ,  Jungwoo PARK

IPC: H02K1/28 ,  F25B31/02 ,  H02K1/2791

Abstract: An outer rotor for a compressor is provided. The outer rotor includes a core formed in a hollow cylindrical shape, a plurality of permanent magnets disposed on an inner circumferential surface of the core, a roof disposed to cover one end of the core and including a bush hole formed at a center of the roof, and a bush disposed in the bush hole of the roof, wherein the core and the bush are made of a metal material, and the roof is made of a resin material, and wherein the roof includes at least one inner notch formed on an inner circumferential surface of the bush hole and at least one outer notch formed on an outer circumferential surface of the roof.