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公开(公告)号：US20230216358A1
公开(公告)日：2023-07-06
申请号：US18182865
申请日：2023-03-13
Applicant: LG INNOTEK CO., LTD.
Inventor： Jin Su PYEON , Shung Hun WOO
CPC classification number: H02K1/165 , H02K1/146 , H02K1/274 , H02K2213/03
Abstract: An embodiment provides a stator comprising a stator core having a plurality of teeth and coils wound around the teeth, wherein the tooth includes a body around which the coil is wound and a shoe connected to the body, the shoe includes a plurality of grooves and a curvature center of the inner peripheral surface of the shoe is the same as the center of the stator core.
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公开(公告)号：US20210119504A1
公开(公告)日：2021-04-22
申请号：US17133759
申请日：2020-12-24
Applicant: LG INNOTEK CO., LTD.
Inventor： Jung Kyu LEE , Shung Hun WOO
Abstract: A rotor including a first rotor part and a second rotor part which are disposed in a shaft direction is provided. The first rotor part includes a first rotor core, a plurality of first magnets disposed on an outer circumferential surface of the first rotor core, and a first holder configured to fix the plurality of first magnets. The first holder includes a first body in a cylindrical shape, a first plate which is connected to the first body and configured to cover the plurality of first magnets, and a plurality of first coupling protrusions which protrude from an inner circumferential surface of the first body and are coupled to the first rotor core. A motor is also provided.
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公开(公告)号：US20210099061A1
公开(公告)日：2021-04-01
申请号：US17121134
申请日：2020-12-14
Applicant: LG INNOTEK CO., LTD.
Inventor： Shung Hun WOO , Nam Hoon KIM
IPC: H02K29/08 , H02K11/215 , G01D5/245 , G01D5/14
Abstract: The present invention provides an apparatus for sensing rotor location, the apparatus comprising: a central shaft; a magnet coupled to the central shaft; a sensor portion is disposed correspond to the magnet; wherein the sensor portion comprising a substrate, a first group including a first Hall sensor and a third Hall sensor disposed on the substrate, and a second group including a second Hall sensor and a fourth Hall sensor, the first Hall sensor and the third Hall sensor are arranged to overlap in a radial direction about the central shaft and the second Hall sensor and the fourth Hall sensor are arranged to overlap in a radial direction about the central shaft.
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公开(公告)号：US20200185988A1
公开(公告)日：2020-06-11
申请号：US16317744
申请日：2017-07-12
Applicant: LG INNOTEK CO., LTD.
Inventor： Shung Hun WOO , Jung Kyu LEE
Abstract: The present invention provides rotor including: a rotor core having a cylindrical shape; and a plurality of magnets disposed to surround an outer circumferential surface of the rotor core, wherein the magnet includes an inner circumferential surface in contact with the outer circumferential surface of the rotor core, when a first angle is defined by dividing an angle formed by the outer circumferential surface of the rotor core by the number of magnets, a second angle is formed by a first extension line and a second extension line which extend from both end points of the inner circumferential surface of the magnet to a center point of the rotor core on cross sections of the rotor core and the magnet, and a ratio of the second angle to the first angle is in a range of 0.87 to 0.93, thereby providing an advantageous effect of greatly reducing a cogging torque by decreasing a width of the magnet to double a cogging main degree.
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公开(公告)号：US20220368204A1
公开(公告)日：2022-11-17
申请号：US17816131
申请日：2022-07-29
Applicant: LG INNOTEK CO., LTD.
Inventor： Shung Hun WOO , Nam Hoon KIM
IPC: H02K29/08 , H02K11/215 , G01D5/245 , G01D5/14
Abstract: The present invention provides an apparatus for sensing rotor location, the apparatus comprising: a central shaft; a magnet coupled to the central shaft; a sensor portion is disposed correspond to the magnet; wherein the sensor portion comprising a substrate, a first group including a first Hall sensor and a third Hall sensor disposed on the substrate, and a second group including a second Hall sensor and a fourth Hall sensor, the first Hall sensor and the third Hall sensor are arranged to overlap in a radial direction about the central shaft and the second Hall sensor and the fourth Hall sensor are arranged to overlap in a radial direction about the central shaft.
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Patent Agency Ranking
公开(公告)号：US20140167572A1
公开(公告)日：2014-06-19
申请号：US14106182
申请日：2013-12-13
Applicant: LG INNOTEK CO., LTD.
Inventor： Shung Hun WOO
IPC: H02K11/00
CPC classification number: H02K11/215 , H02K11/20 , H02K11/21
Abstract: Provided are a motor and a sensing magnet of the motor. The sensing magnet includes a through hole that is positioned at a center portion thereof, and a plurality of poles which are formed along an outer periphery thereof. Here, the plurality of poles includes a first pole and a second pole extending from the first pole in a direction of the through hole.
Abstract translation: 提供电动机和电动机的感应磁铁。 感测磁体包括位于其中心部分的通孔和沿其外周形成的多个磁极。 这里，多个极包括在通孔的方向上从第一极延伸的第一极和第二极。
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公开(公告)号：US20140167558A1
公开(公告)日：2014-06-19
申请号：US14133253
申请日：2013-12-18
Applicant: LG INNOTEK CO., LTD.
Inventor： Shung Hun WOO
IPC: H02K1/18
Abstract: Provided are a stator and a motor including the same. The motor includes a housing; and a stator coupled to an inner space portion of the housing, wherein the stator includes a stator core having an outer surface on which a first surface spaced apart from an inner circumferential surface of the housing and a second surface in contact with an inner circumferential surface of the housing are alternately disposed, and a coil wound around the stator core.
Abstract translation: 提供一种定子和包括该定子和马达的马达。 电机包括壳体; 以及定子，其联接到所述壳体的内部空间部分，其中所述定子包括具有外表面的定子芯，所述定子芯具有与所述壳体的内周表面间隔开的第一表面和与所述壳体的内周表面接触的第二表面 交替地设置壳体，并且缠绕在定子芯上的线圈。
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公开(公告)号：US20220368176A1
公开(公告)日：2022-11-17
申请号：US17618319
申请日：2020-06-10
Applicant: LG INNOTEK CO., LTD.
Inventor： Shung Hun WOO
IPC: H02K1/14
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 stator includes a yoke and a tooth protruding from the yoke, the tooth includes a first surface, a plurality of second surfaces, and a plurality of third surfaces which are opposite to the rotor, the second surface is disposed between the first surface and the third surfaces to have predetermined gaps therebetween in a radial direction from the shaft, and a shortest distance from the shaft to the first surface is shorter than a shortest distance from the shaft to the third surface.
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公开(公告)号：US20220216744A1
公开(公告)日：2022-07-07
申请号：US17656191
申请日：2022-03-23
Applicant: LG INNOTEK CO., LTD.
Inventor： Jin Su PYEON , Shung Hun WOO
Abstract: An embodiment provides a stator comprising a stator core having a plurality of teeth and coils wound around the teeth, wherein the tooth includes a body around which the coil is wound and a shoe connected to the body, the shoe includes a plurality of grooves and a curvature center of the inner peripheral surface of the shoe is the same as the center of the stator core.
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公开(公告)号：US20210083532A1
公开(公告)日：2021-03-18
申请号：US16642280
申请日：2018-08-08
Applicant: LG INNOTEK CO., LTD.
Inventor： Jin Su PYEON , Shung Hun WOO
Abstract: An embodiment provides a stator comprising a stator core having a plurality of teeth and coils wound around the teeth, wherein the tooth includes a body around which the coil is wound and a shoe connected to the body, the shoe includes a plurality of grooves and a curvature center of the inner peripheral surface of the shoe is the same as the center of the stator core.
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