公开(公告)号：US20230046753A1

公开(公告)日：2023-02-16

申请号：US17793708

申请日：2021-01-19

Applicant: LG INNOTEK CO., LTD.

Inventor： Jin Myung CHOI ,  Young Dae PARK ,  Jin Yong KIM ,  Jin Seob LEE

IPC: G01S7/481 ,  H02K5/173 ,  H02K7/08 ,  H02K11/215 ,  H02K21/22 ,  G01S17/10 ,  G01D5/20

Abstract: An embodiment can provide a motor comprising: a shaft; a rotor coupled to the shaft; a stator disposed between the shaft and the rotor; a bearing disposed between the shaft and the stator; and a base plate, wherein: the rotor includes a yoke coupled to the shaft; the base plate includes a body, a first partition protruding from the body, and a second partition extending from the first partition; the first partition is disposed between the bearing and the stator; a portion of the second partition is disposed to be overlapped with the first partition; and the first partition is in contact with the lateral surface of an outer ring of the bearing and the second partition is in contact with the one surface of the outer ring of the bearing.

公开(公告)号：US20210408872A1

公开(公告)日：2021-12-30

申请号：US17289053

申请日：2019-10-31

Applicant: LG INNOTEK CO., LTD.

Inventor： Jin Yong KIM

IPC: H02K11/215 ,  H02K11/30 ,  H02K5/22 ,  H02K29/08 ,  G01D5/14

Abstract: The present invention may provide a motor including a rotary shaft, a yoke coupled to the rotary shaft, a stator disposed between the rotary shaft and the yoke, a first magnet and a second magnet disposed in the yoke, and a circuit board on which a first Hall sensor is disposed to correspond to the first magnet and a second Hall sensor is disposed to correspond to the second magnet, wherein the second magnet includes a plurality of split magnets and one index magnet, a width of the split magnet in a circumferential direction is the same as a width of the index magnet in the circumferential direction, each of the split magnets and the index magnet are formed by combining a first pole and a second pole, a width of the first pole of the split magnet in the circumferential direction is the same as a width of the second pole in the circumferential direction, and a width of the first pole of the index magnet in the circumferential direction is different from a width of the second pole in the circumferential direction.