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公开(公告)号：US20240364168A1
公开(公告)日：2024-10-31
申请号：US18682700
申请日：2022-08-05
Applicant: LG INNOTEK CO., LTD.
Inventor： Jin Su PYEON , Kwon Cheol SHIN
CPC classification number: H02K3/34 , H02K1/146 , H02K2201/03
Abstract: The present invention may provide a motor including a shaft, a rotor coupled to the shaft, wherein the rotor includes a rotor core and a plurality of magnets coupled to the rotor core, and a stator disposed to correspond to the rotor, wherein the stator includes a stator core, an insulator coupled to the stator core, and a coil disposed on the insulator. In this case, based on an axial direction, the plurality of magnets are disposed at the same position in a circumferential direction, the stator core includes a yoke and a tooth protruding from the yoke, the tooth includes a first region and a second region formed by dividing an inner surface of the tooth facing the rotor in the axial direction, the first region corresponds to a partial region of the inner surface in which a first notch and a second notch are disposed to be spaced apart from each other in the circumferential direction, the second region corresponds to a partial region of the inner surface in which the first notch and the second notch are not present, and an axial length of the second region is in a range of 17% to 35% of an axial length of the stator core.
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公开(公告)号：US20220060067A1
公开(公告)日：2022-02-24
申请号：US17420105
申请日：2019-12-18
Applicant: LG INNOTEK CO., LTD.
Inventor： Jin Su PYEON
Abstract: An embodiment provides a motor comprising a shaft, a rotor to which the shaft is coupled, and a stator disposed on the outer side of the rotor, wherein the stator includes a stator core and coils wound around the stator core, the stator core includes a yoke, a tooth protruding from the yoke, and a first groove and a second groove formed on the inner surface of the tooth, and distances to the first groove and the second groove around the center of the tooth in a circumferential direction are different from each other. Therefore, the motor can reduce cogging torque through the design of the grooves arranged to be asymmetrical around the center of the tooth.
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公开(公告)号：US20190326800A1
公开(公告)日：2019-10-24
申请号：US16068036
申请日：2016-11-08
Applicant: LG INNOTEK CO., LTD.
Inventor： Jin Su PYEON
IPC: H02K11/40 , H02K11/215 , H02K5/04 , H05K1/18 , B62D5/04
Abstract: An embodiment of the present invention relates to a rotor position detecting apparatus and a motor and a motor-driven steering apparatus comprising same, the rotor position detecting apparatus comprising: a substrate, a magnetic Hall-signal element mounted on the substrate, and a first ground pattern disposed on one side of the substrate and electrically connected to the magnetic Hall-signal element. As a result, the motor can reduce probability of faults due to electromagnetic waves or static electricity.
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公开(公告)号：US20230291256A1
公开(公告)日：2023-09-14
申请号：US18016613
申请日：2021-07-16
Applicant: LG INNOTEK CO., LTD.
Inventor： Jin Su PYEON , Seong Jin KIM
CPC classification number: H02K1/278 , H02K1/148 , H02K7/003 , H02K29/03 , H02K2213/03
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 and magnets coupled to the rotor core, the magnets include a first unit magnet disposed on an outer circumferential surface of the rotor core in a circumferential direction and a second unit magnet disposed adjacent to the first unit magnet, the first unit magnet includes a first surface facing the rotor core and a first curved surface facing the stator, the second unit magnet includes a second surface facing the rotor core and a second curved surface facing the stator, a length of the first surface in the circumferential direction is different from a length of the second surface in the circumferential direction, and a radius of curvature of the first curved surface is different from a radius of curvature of the second curved 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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Patent Agency Ranking
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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公开(公告)号：US20230318411A1
公开(公告)日：2023-10-05
申请号：US18301687
申请日：2023-04-17
Applicant: LG INNOTEK CO., LTD.
Inventor： Jin Su PYEON
IPC: H02K11/40 , H02K11/215 , H02K5/04 , H02K11/21 , H02K29/08
Abstract: A rotor position detecting apparatus includes a rotor, a stator disposed in correspondence with the rotor and a sensing assembly disposed at one side of the rotor. The sensing assembly includes a substrate, a first magnetic element part and a second magnetic element part disposed on the substrate and a first ground pattern and a second ground pattern disposed on the substrate. The first ground pattern is electrically connected to the first magnetic element part. The second ground pattern is electrically connected to the second magnetic element part, and the first ground pattern is electrically disconnected from the second ground pattern.
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公开(公告)号：US20220337131A1
公开(公告)日：2022-10-20
申请号：US17853460
申请日：2022-06-29
Applicant: LG INNOTEK CO., LTD.
Inventor： Jin Su PYEON
IPC: H02K11/215 , B62D5/04 , H02K29/08 , H02K5/16 , H02K5/22
Abstract: A circuit board comprising a first power terminal, a second power terminal spaced apart from the first power terminal, a first ground terminal, a second ground terminal spaced apart from the first ground terminal, a first magnetic element part disposed along a first circular arc having a first radius, and a second magnetic element part disposed along a second circular arc having a second radius greater than the first radius, wherein an angle of at least one portion of the first circular arc is not overlapped with an angle of the second circular arc.
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公开(公告)号：US20200014286A1
公开(公告)日：2020-01-09
申请号：US16483867
申请日：2018-02-06
Applicant: LG INNOTEK CO., LTD.
Inventor： Tae Ho KIM , Nam Hoon KIM , Ja Young SEO , Jin Su PYEON
Abstract: The present invention may provide a motor including a housing; a stator disposed in the housing; a rotor disposed in the stator; a shaft coupled to the rotor; and a wire assembly connected to the stator, wherein the wire assembly includes a first ground part, the housing includes a body and a bracket including a first fastening hole and disposed on an upper portion of the body, and the bracket includes a third ground part, which is inserted into the first fastening hole and thereby contacts the body, and a second ground part, which is connected to the third ground part and is disposed so as to be exposed to the bottom surface of the bracket and thereby contacts the first ground part.
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公开(公告)号：US20170040873A1
公开(公告)日：2017-02-09
申请号：US15211570
申请日：2016-07-15
Applicant: LG INNOTEK CO., LTD.
Inventor： Jin Su PYEON
IPC: H02K11/215 , H02K5/16 , B62D5/04 , H02K5/22
CPC classification number: H02K11/215 , B62D5/0403 , B62D5/0406 , H02K5/161 , H02K5/225 , H02K29/08 , H02K2213/06
Abstract: The present disclosure provides techniques for securing a running stability of a vehicle, whereby danger of safety accident can be significantly reduced during operation of a vehicle by enabling a minimum number of Hall elements to be driven even during damage to a power terminal or to a ground unit due to defect in circuit by separately forming a power terminal supplying a power to a plurality of magnetic elements in a plurality of numbers
Abstract translation: 本公开提供了用于确保车辆的行驶稳定性的技术，由此即使在电力终端或地面的损坏期间能够驱动最小数量的霍尔元件被驱动，在车辆的操作期间可以显着减少安全事故的危险 通过单独地形成向多个数量的多个磁性元件供电的电源端子，由于电路缺陷而导致单元故障
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