公开(公告)号：US12244182B2

公开(公告)日：2025-03-04

申请号：US17757903

申请日：2020-11-30

Applicant: LG INNOTEK CO., LTD.

Inventor： Sung Joo Oh ,  Jae Young Kim

IPC: H02K1/27 ,  H02K1/278 ,  H02K21/14

Abstract: The present invention may provide a motor including a shaft, a rotor coupled to the shaft, and a stator disposed to correspond to the rotor, wherein the rotor includes a rotor core, a magnet disposed on an outer surface of the rotor core, and a guide in contact with the rotor core, the guide includes a first member in contact with one side surface of the rotor core and a plurality of second members (420, 430) which extend from the first member in an axial direction and are in contact with a side surface of the magnet, and positions of one side end portions and the other side end portions of the second members are different from each other in a circumferential direction.

公开(公告)号：US11451116B2

公开(公告)日：2022-09-20

申请号：US16958411

申请日：2018-12-19

Applicant: LG INNOTEK CO., LTD.

Inventor： Jae Young Kim ,  Kyung Sang Park ,  Young Hwan Jung

IPC: H02K7/00 ,  H02K11/215

Abstract: An embodiment relates to a motor including a shaft, a rotor coupled to the shaft, a stator disposed outside the rotor, a sensing magnet disposed on the shaft, and a coupling member disposed to cover the sensing magnet, wherein the coupling member is inserted into a first groove concavely formed in an end portion of the shaft. Accordingly, combinability and assemblability of the sensing magnet and the shaft can be secured using the coupling member formed to have an elastic structure in the motor.

公开(公告)号：US11329524B2

公开(公告)日：2022-05-10

申请号：US16765726

申请日：2018-11-21

Applicant: LG INNOTEK CO., LTD.

Inventor： Chang Hyun Park ,  Jae Young Kim ,  Il Sik Won

IPC: H02K1/27 ,  H02K1/28 ,  H02K21/22

Abstract: An embodiment relates to a motor comprising: a shaft; a rotor which is coupled to the shaft; and a stator which is disposed outside the rotor, wherein the rotor comprises a first can, a rotor core which is at least partially disposed in the first can, a plurality of magnets which are coupled to the rotor core, and a second can in which another portion of the rotor core is disposed, the plurality of magnets are spaced apart in the circumferential direction by a plurality of spacing spaces, the first can comprises a first plate portion, a first protrusion portion which is formed by bending at an edge of the first plate portion, and a plurality of first protrusions which are disposed on at least two of the plurality of spacing spaces and spaced apart from each other, the second can includes a second plate portion, a second protrusion portion which is formed by bending at the edge of the second plate portion, and a plurality of second protrusions which are disposed on at least two different spaces of the plurality of spacing spaces and spaced from each other, and the first protrusion and the second protrusion are arranged to be offset from each other.