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公开(公告)号：US11590955B2
公开(公告)日：2023-02-28
申请号：US16957019
申请日：2019-03-07
Applicant: LG ELECTRONICS INC.
Inventor： Seung-Suk Oh , Dosun Kim , Hyojin Ko
Abstract: The present invention relates to an electronic braked-integrated in-wheel motor driving device. According to one embodiment of the present invention, an apparently complicated driving device structure, which is formed due to the installation of a brake, can be avoided, and a product appearance of a wheel-chair, to which the in-wheel motor driving device is applied, can be simplified, whereby the driving device improves the visual appearance as well as the brake function and can thus enhance production competitiveness.
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公开(公告)号：US12115859B2
公开(公告)日：2024-10-15
申请号：US17092988
申请日：2020-11-09
Applicant: LG ELECTRONICS INC.
Inventor： Haerim Yang , Seung-Suk Oh , Yeongjae Kim
CPC classification number: B60K7/0007 , B60K17/046 , F16C3/02 , H02K7/003 , H02K7/006 , H02K7/088 , H02K7/116 , B60K2007/0038 , B60K2007/0092 , F16C2326/20
Abstract: According to an embodiment of the present disclosure, provided is a high-output, high-torque in-wheel motor having a power line-taken-out structure. According to an embodiment of the present disclosure, the in-wheel motor includes a circular rim; a shaft connected to the rim through a center of the rim; a motor assembly including a stator connected to the shaft in the rim and a rotor surrounding the stator and rotated about the stator; a cover coupled to an opening of the rim to block the motor assembly from an outside of the rim; and a bearing contacting and configured to support the shaft. The shaft includes a first shaft body passing through a center of each of the rim and the cover and extending outward; and a second shaft body having a larger diameter than a diameter of the first shaft body and disposed between the stator and the bearing. A power line for supplying power to the motor assembly is inserted in a radial direction of the second shaft body between the stator and the bearing and is taken out in a longitudinal direction of the second shaft body. According to an embodiment of the present disclosure, even when a diameter of the power line is increased to achieve the high-output, high torque performance of the in-wheel motor, structural rigidity of the shaft may not be degraded.
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公开(公告)号：US11267530B2
公开(公告)日：2022-03-08
申请号：US16761135
申请日：2018-10-24
Applicant: LG ELECTRONICS INC.
Inventor： Seung-Suk Oh , Eul Pyo Hong , Wondong Do
Abstract: The present disclosure provides: an in-wheel motor driving device, which is improved so as to enable impact transmitted from the road during traveling to be buffered; and a movement device including the same. The in-wheel motor driving device, according to the present invention, comprises: a wheel including an in-wheel; an in-wheel motor provided inside the rim and rotating the rim; a supporting portion provided at the side surface of the in-wheel motor, and having the movement device connected at one side thereof; and a buffer provided between the in-wheel motor and the supporting portion so as to buffer the impact generated during vertical movement.
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Patent Agency Ranking
公开(公告)号：US11639074B2
公开(公告)日：2023-05-02
申请号：US16856895
申请日：2020-04-23
Applicant: LG ELECTRONICS INC.
Inventor： Seung-Suk Oh , Jaekwang Nam
Abstract: A rim cover assembly having a waterproof structure according to an embodiment of the present invention includes a rim of which an outer wheel is surrounded by a tire, wherein a shaft passes through and is connected to a center of the rim, a cover coupled to the rim to seal an interior of the rim, tire separation prevention steps formed on the rim and the cover to prevent separation of the tire, and a bolt coupling portion which couples the cover and the rim, wherein the tire separation prevention steps include a first tire separation prevention step, which is integrally formed with the rim and protrudes from one side of the rim and a second tire separation prevention step integrally formed with the cover coupled to the other side of the rim, and the bolt coupling portion may be formed in the second tire separation prevention step.
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公开(公告)号：US11565582B2
公开(公告)日：2023-01-31
申请号：US16765741
申请日：2019-03-07
Applicant: LG ELECTRONICS INC.
Inventor： Seung-Suk Oh , Hyoung Uk Nam , Eul Pyo Hong
IPC: B60K7/00 , H02K11/215 , B60G3/00 , B60G11/00 , G01R33/00 , G01R33/07 , H02K5/16 , H02K7/00 , H02K7/08 , H02K21/22
Abstract: The present invention relates to an in-wheel motor driving apparatus for reducing weight, improving Hall sensor assembly performance, and reducing a defect rate. According to one embodiment of the present invention, the weight of an in-wheel motor can be reduced by separating a suspension housing and a shaft and applying different materials thereto. Furthermore, the ease of assembling a Hall sensor can be improved, and the defect rate can be reduced.
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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
Applicant: LG Electronics Inc.
Inventor： Hyoung Uk Nam , Seung-Suk Oh , Jin Hong
Abstract: 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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公开(公告)号：US20210094413A1
公开(公告)日：2021-04-01
申请号：US16941005
申请日：2020-07-28
Applicant: LG ELECTRONICS INC.
Inventor： Jaeyeon Kim , Yeongjae Kim , Seung-Suk Oh
IPC: B60K17/04 , B60K7/00 , F16H57/031 , F16H1/28 , F16H57/08 , H02K7/00 , H02K7/116 , H02K11/215
Abstract: Disclosed herein is a geared in-wheel motor, the geared in-wheel motor, including, a circular rim an outer wheel of which is wrapped by a tire and which is coupled to the tire, a shaft configured to pass through a center of the rim and connected to the rim, a motor assembly comprising a stator connected and fixed to the shaft in the rim and a rotor disposed to wrap the stator and configured to rotate, a cover configured to seal an opened portion of the rim and coupled to the rim, and a gear assembly disposed in the rim and configured to reduce a speed of rotation of the rotor, wherein the gear assembly comprises a sun gear disposed at the same center as the rotor, and a plurality of planetary gears disposed to surround and wrap a circumference of the sun gear, fixed to the rotor and configured to rotate along with the rotor.
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公开(公告)号：US20200346488A1
公开(公告)日：2020-11-05
申请号：US16856895
申请日：2020-04-23
Applicant: LG ELECTRONICS INC.
Inventor： Seung-Suk Oh , Jaekwang Nam
Abstract: A rim cover assembly having a waterproof structure according to an embodiment of the present invention includes a rim of which an outer wheel is surrounded by a tire, wherein a shaft passes through and is connected to a center of the rim, a cover coupled to the rim to seal an interior of the rim, tire separation prevention steps formed on the rim and the cover to prevent separation of the tire, and a bolt coupling portion which couples the cover and the rim, wherein the tire separation prevention steps include a first tire separation prevention step, which is integrally formed with the rim and protrudes from one side of the rim and a second tire separation prevention step integrally formed with the cover coupled to the other side of the rim, and the bolt coupling portion may be formed in the second tire separation prevention step.
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