公开(公告)号：US11469641B2

公开(公告)日：2022-10-11

申请号：US16636142

申请日：2018-07-30

Applicant: LG INNOTEK CO., LTD.

Inventor： Ji Hoon Han ,  Il Sik Won ,  Jin Seung Yoo

IPC: H02K5/08 ,  H02K11/215 ,  H02K1/30 ,  H02K7/00

Abstract: The present invention provides a rotor comprising: a rotor core; a plurality of magnets disposed outside the rotor core; and a molding part disposed outside the plurality of magnets, wherein the rotor core includes a plurality of guide protrusions disposed between the plurality of magnets, and the distance from the center of the rotor core to the outer surface of the molding part passing across the center of one of the guide protrusions is shorter than the distance from the same to the outer surface of the molding part passing across the center of one of the plurality of magnets.

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.

公开(公告)号：USRE49924E1

公开(公告)日：2024-04-16

申请号：US17060885

申请日：2020-10-01

Applicant: LG INNOTEK CO., LTD.

Inventor： Il Sik Won

IPC: H02K1/2726 ,  F16H3/00 ,  F16H3/091 ,  H02K1/2733 ,  H02K1/30

CPC classification number: H02K1/2726 ,  H02K1/2733 ,  H02K1/30 ,  F16H3/006 ,  F16H3/091

Abstract: The present invention discloses a motor comprising: a stator part; and a rotor assembly rotatably disposed with respect to the stator part, wherein the rotor assembly comprises: a ring magnet including an insertion hole with a shaft disposed therein and a plurality of first grooves formed at one side thereof along a first imaginary circle; and a core member including a body portion disposed between the shaft and the insertion hole, and an extension portion covering the plurality of first grooves, wherein the extension portion comprises a plurality of second grooves deviated from a plurality of first imaginary straight lines which pass from a center of the first imaginary circle respectively through the plurality of first grooves.

公开(公告)号：US11955840B2

公开(公告)日：2024-04-09

申请号：US17264155

申请日：2019-07-08

Applicant: LG INNOTEK CO., LTD.

Inventor： Il Sik Won

IPC: H02K3/38 ,  H02K1/04 ,  H02K1/14 ,  H02K1/16 ,  H02K3/34 ,  H02K5/22 ,  H02K15/02 ,  H02K15/08 ,  H02K15/09 ,  H02K15/12

CPC classification number: H02K1/04 ,  H02K1/146 ,  H02K1/165 ,  H02K3/345 ,  H02K3/38 ,  H02K5/22 ,  H02K15/024 ,  H02K15/09 ,  H02K15/12

Abstract: An embodiment relates to a stator and a motor comprising same, the stator comprising: a stator core comprising a yoke and multiple teeth protruding from the inner surface of the yoke; an insulator surrounding a part of the stator core; a coil wound around the insulator; and a molding portion disposed to cover the stator core, the insulator, and the coil. The insulator comprises a first insulator and a second insulator. The first insulator comprises: a body portion around which the coil is wound; and inner guide extending from the inside of the body portion in the perpendicular direction; a first outer guide extending from the outside of the body portion in the perpendicular direction; a second outer guide disposed to be spaced apart from the first outer guide in the outward direction; and a protrusion protruding from the second outer guide in the inward direction. The protrusion has an end portion disposed such that a predetermined gap (G) is formed between same and the first outer guide. The coil has a part disposed between the first outer guide and the second outer guide through the gap (G). Accordingly, it is possible to inhibit the coil from contacting the housing due to injection molding pressure during over-molding of the stator.

公开(公告)号：US10566860B2

公开(公告)日：2020-02-18

申请号：US15318219

申请日：2015-06-12

Applicant: LG INNOTEK CO., LTD.

Inventor： Il Sik Won

IPC: H02K1/27 ,  F16H3/091 ,  H02K1/30 ,  F16H3/00

Abstract: The present invention discloses a motor comprising: a stator part; and a rotor assembly rotatably disposed with respect to the stator part, wherein the rotor assembly comprises: a ring magnet including an insertion hole with a shaft disposed therein and a plurality of first grooves formed at one side thereof along a first imaginary circle; and a core member including a body portion disposed between the shaft and the insertion hole, and an extension portion covering the plurality of first grooves, wherein the extension portion comprises a plurality of second grooves deviated from a plurality of first imaginary straight lines which pass from a center of the first imaginary circle respectively through the plurality of first grooves.