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公开(公告)号：US11867197B2
公开(公告)日：2024-01-09
申请号：US17165456
申请日：2021-02-02
申请人： LG Electronics Inc.
发明人： Jin Hong , Kwangyong Jang , Yongdae Kim , Sunggi Kim
IPC分类号： F04D25/08 , F04D29/52 , F04D25/06 , F04D29/056 , F04D29/54 , H02K3/52 , H02K5/20 , H02K7/08 , H02K9/06 , H02K5/16
CPC分类号： F04D29/522 , F04D25/06 , F04D25/0693 , F04D25/08 , F04D29/056 , F04D29/542 , H02K3/522 , H02K5/161 , H02K5/207 , H02K7/083 , H02K9/06 , H02K2203/06 , H02K2203/15
摘要： A fan motor includes: a motor including a stator and a rotor, a motor housing accommodating the motor, a bearing case disposed at a lower portion of the motor housing, an impeller coupled to a rotary shaft of the motor, a vane structure disposed at a lower side of the impeller and configured to guide air, and a lead cable connector provided in the bearing case. The stator of the motor includes a core and a coil that is wound on the core, and the lead cable connector is connected to a lead cable of the coil of the stator.
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公开(公告)号：US11728706B2
公开(公告)日：2023-08-15
申请号：US17406691
申请日：2021-08-19
申请人： LG Electronics Inc.
发明人： Joohang Kang , Hyeonho Ha , Yongdae Kim , Jin Hong
摘要： An electric motor assembly includes a stator and a rotor configured to rotate relative to the stator. The stator includes a stator core including a yoke that has a ring shape and a plurality of teeth radially coupled to an inner surface of the yoke, a stator coil that is wound around the stator core, and an insulator disposed between the stator core and the stator coil. The insulator includes a yoke insulator that is coupled to the yoke with a first coupling tolerance defined between the yoke insulator and the plurality of tooth insulators, and a plurality of tooth insulators that are coupled to the plurality of teeth, respectively, with a second coupling tolerance defined between the yoke and the plurality of teeth. The first coupling tolerance is less than the second coupling tolerance.
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公开(公告)号：US11613837B2
公开(公告)日：2023-03-28
申请号：US16752383
申请日：2020-01-24
申请人： LG Electronics Inc.
发明人： Hyoung Uk Nam , Hyojin Ko , Jin Hong
IPC分类号： D06F37/30 , D06F37/36 , D06F37/40 , H02K29/08 , D06F105/48 , D06F33/36 , D06F33/40 , D06F23/00 , F16D28/00 , H02K7/108 , H02K49/10
摘要： A driving device for a washing machine includes: a shaft including an inner shaft and an outer shaft surrounding the inner shaft; a motor assembly including a stator, a rotor that surrounds the stator, a modulator that surrounds the rotor, and a magnetic gear rotating body that surrounds the modulator; a first fixation body that connects between the inner shaft and the magnetic gear rotating body; a second fixation body having one end connected to the stator and the other end connected to a tub; and an electronic clutch that disconnects the outer shat and the rotor or connects the inner shaft and the rotor according to an operation mode of the washing machine. The modulator adjusts a speed and torque of the magnetic gear rotating body. The driving device may make a motor drive area highly efficient and may reduce electric consumption.
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公开(公告)号：US11563349B2
公开(公告)日：2023-01-24
申请号：US16794794
申请日：2020-02-19
申请人： LG Electronics Inc.
发明人： Jin Hong , Cheol Han , Kwangyong Jang
摘要： Various embodiments relate to a motor in which a structure of an insulator is improved. The motor includes an insulator module coupled to a top face of a stator core. The insulator module includes: each power terminal unit connected to each of 3-phases power lead wires; a neutral terminal unit connected to a neutral point of a coil; and an insulator body for achieving insulations between the power and neutral terminal units and the stator core, and between the power and neutral terminal units, wherein the power terminal unit and the neutral terminal unit are positioned at different vertical levels.
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公开(公告)号：US11303185B2
公开(公告)日：2022-04-12
申请号：US16775472
申请日：2020-01-29
申请人： LG Electronics Inc.
发明人： Jin Hong , Cheol Han , Yongdae Kim
摘要： Various embodiments relate to a motor in which a structure of an insulator is improved. The motor includes an upper insulator coupled to a top face of a stator core. The upper insulator includes a power terminal unit connected to each of 3-phases power lead wires; and an upper insulator body for insulating the power terminal unit from the stator core. The upper insulator includes protrusions radially protruding from the upper insulator body. Each protrusion has a guide hole defined therein for receiving each of the 3-phases power lead wires.
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公开(公告)号：US11309762B2
公开(公告)日：2022-04-19
申请号：US16815704
申请日：2020-03-11
申请人： LG Electronics Inc.
发明人： Jin Hong , Yongdae Kim , Kwangyong Jang
摘要： Various embodiments relate to a stator having an improved structure of an insulator coupled to teeth and to a motor having the stator. The stator includes an insulator. The insulator includes: a coil-wound portion surrounding an outer circumferential face of a tooth; and both side walls respectively extending from both sides of the coil-wound portion, wherein the both side walls and the coil-wound portion defines a space receiving the coil, wherein one of the both side walls includes a coupling portion, wherein the insulator are divided into two parts and the two parts are coupled to each other via the coupling portion such that the tooth is inserted into and coupled to the insulator.
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公开(公告)号：US11072880B2
公开(公告)日：2021-07-27
申请号：US15930796
申请日：2020-05-13
申请人： LG Electronics Inc.
发明人： Hyoung Uk Nam , Seung-Suk Oh , Jin Hong
摘要： A driving device for a washing machine includes a motor comprising a stator and a rotor configured to rotate inside the stator, a shaft configured to receive torque of the motor and rotate an inner tub of the washing machine, a planetary gear located at a front end of the shaft and configured to adjust a rotation speed of the inner tub by changing the torque of the motor at a preset reduction gear ratio, and an electronic clutch located between the shaft and the planetary gear and configured to operate to adjust connection and disconnection between the shaft and the planetary gear according to an operation mode change signal of the washing machine.
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8.发明授权公开(公告)号：US11855518B2
公开(公告)日：2023-12-26
申请号：US17390329
申请日：2021-07-30
申请人： LG Electronics Inc.
发明人： Joohang Kang , Junggu Lee , Yongdae Kim , Jin Hong
摘要： An electric motor assembly includes a housing, an impeller disposed inside the housing, a stator disposed at one side of the impeller in an axial direction of the impeller, the stator comprising a plurality of coil parts, a rotor that includes a rotation shaft connected to the impeller and that is configured to rotate relative to the stator, a bracket that is coupled to the housing and supports the rotation shaft, and a connection ring that electrically connects together end portions of the plurality of coil parts.
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公开(公告)号：US20210028663A1
公开(公告)日：2021-01-28
申请号：US16815704
申请日：2020-03-11
申请人： LG Electronics Inc.
发明人： Jin Hong , Yongdae Kim , Kwangyong Jang
摘要： Various embodiments relate to a stator having an improved structure of an insulator coupled to teeth and to a motor having the stator. The stator includes an insulator. The insulator includes: a coil-wound portion surrounding an outer circumferential face of a tooth; and both side walls respectively extending from both sides of the coil-wound portion, wherein the both side walls and the coil-wound portion defines a space receiving the coil, wherein one of the both side walls includes a coupling portion, wherein the insulator are divided into two parts and the two parts are coupled to each other via the coupling portion such that the tooth is inserted into and coupled to the insulator.
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公开(公告)号：US12088165B2
公开(公告)日：2024-09-10
申请号：US18152415
申请日：2023-01-10
申请人： LG Electronics Inc.
发明人： Jin Hong , Cheol Han , Kwangyong Jang
CPC分类号： H02K3/38 , H02K3/522 , A47L5/28 , A47L9/22 , H02K2203/06
摘要： Various embodiments relate to a motor in which a structure of an insulator is improved. The motor includes an insulator module coupled to a top face of a stator core. The insulator module includes: each power terminal unit connected to each of 3-phases power lead wires; a neutral terminal unit connected to a neutral point of a coil; and an insulator body for achieving insulations between the power and neutral terminal units and the stator core, and between the power and neutral terminal units, wherein the power terminal unit and the neutral terminal unit are positioned at different vertical levels.
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