Patents by Inventor Seung-Suk Oh
Seung-Suk Oh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230283129Abstract: A motor for a laundry apparatus includes a stator and a rotor including a rotor frame which rotates outside the stator. The rotor frame includes a base frame having a circular shape and disposed with a distance from a coil, an extension frame which fixes a magnet, an air inlet which suctions air, and a blade protruding to a set height from the base frame, and the blade is positioned outside a region in which the coil is disposed. According to the present disclosure, the heat dissipation performance of the motor can be improved while maintaining the strength of the rotor frame, and motor output can be improved by sufficiently securing a winding space of the coil.Type: ApplicationFiled: January 31, 2023Publication date: September 7, 2023Inventors: Sunho KIM, Kyeong-Hwan KIM, Seung-Suk OH
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Patent number: 11639074Abstract: 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.Type: GrantFiled: April 23, 2020Date of Patent: May 2, 2023Assignee: LG ELECTRONICS INC.Inventors: Seung-Suk Oh, Jaekwang Nam
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Patent number: 11590955Abstract: 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.Type: GrantFiled: March 7, 2019Date of Patent: February 28, 2023Assignee: LG ELECTRONICS INC.Inventors: Seung-Suk Oh, Dosun Kim, Hyojin Ko
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Patent number: 11565582Abstract: 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.Type: GrantFiled: March 7, 2019Date of Patent: January 31, 2023Assignee: LG ELECTRONICS INC.Inventors: Seung-Suk Oh, Hyoung Uk Nam, Eul Pyo Hong
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Patent number: 11267530Abstract: 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.Type: GrantFiled: October 24, 2018Date of Patent: March 8, 2022Assignee: LG ELECTRONICS INC.Inventors: Seung-Suk Oh, Eul Pyo Hong, Wondong Do
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Patent number: 11072880Abstract: 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.Type: GrantFiled: May 13, 2020Date of Patent: July 27, 2021Assignee: LG Electronics Inc.Inventors: Hyoung Uk Nam, Seung-Suk Oh, Jin Hong
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Publication number: 20210178893Abstract: 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.Type: ApplicationFiled: November 9, 2020Publication date: June 17, 2021Inventors: Haerim YANG, Seung-Suk OH, Yeongjae KIM
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Publication number: 20210094413Abstract: 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.Type: ApplicationFiled: July 28, 2020Publication date: April 1, 2021Inventors: Jaeyeon Kim, Yeongjae Kim, Seung-Suk Oh
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Publication number: 20200391719Abstract: 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.Type: ApplicationFiled: March 7, 2019Publication date: December 17, 2020Inventors: Seung-Suk OH, Dosun KIM, Hyojin KO
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Publication number: 20200362499Abstract: 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.Type: ApplicationFiled: May 13, 2020Publication date: November 19, 2020Inventors: Hyoung Uk NAM, Seung-Suk OH, Jin HONG
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Publication number: 20200346488Abstract: 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.Type: ApplicationFiled: April 23, 2020Publication date: November 5, 2020Inventors: Seung-Suk Oh, Jaekwang Nam
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Publication number: 20200282822Abstract: 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.Type: ApplicationFiled: March 7, 2019Publication date: September 10, 2020Inventors: Seung-Suk OH, Hyoung Uk NAM, Eul Pyo HONG
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Publication number: 20200269952Abstract: 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.Type: ApplicationFiled: October 24, 2018Publication date: August 27, 2020Inventors: Seung-Suk OH, Eul Pyo HONG, Wondong DO
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Patent number: 8193666Abstract: An interior permanent magnet type brushless direct current (BLDC) motor includes a stator having a plurality of slots. The BLDC motor also includes a rotor positioned in the stator and that is rotatable with respect to the stator. The rotor has a rotor core, a plurality of permanent magnets inserted in the rotor core, a plurality of vent holes positioned between the center of the rotor core and the permanent magnets, and a plurality of coupling holes positioned between the permanent magnets and a periphery of the rotor core.Type: GrantFiled: October 28, 2009Date of Patent: June 5, 2012Assignee: LG Electronics Inc.Inventors: Seung-Suk Oh, Jin-Soo Park
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Patent number: 8193672Abstract: Disclosed is an interior permanent magnet type brushless direct current (BLDC) motor including a stator having a plurality of slots wound in a distributed winding manner, and a rotor positioned in the stator, configured to rotate with respect to the stator, and having a rotor core, a plurality of permanent magnets inserted in the rotor core and a plurality of flux barriers, wherein a flux barrier angle of the rotor is determined by multiples of twenty as an electrical angle and the multiples of twenty relates to a number of slots of the stator.Type: GrantFiled: October 28, 2009Date of Patent: June 5, 2012Assignee: LG Electronics Inc.Inventors: Seung-Suk Oh, Jin-Soo Park
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Patent number: 7983800Abstract: An apparatus for controlling a fan motor of an air conditioner comprises: a hybrid induction motor (HIM) for discharging warm air outwardly by a control signal; a temperature detecting unit for detecting a temperature of an evaporator; and a controlling unit for comparing the temperature of the evaporator with a preset temperature, and outputting a control signal to control the HIM based on a result of the comparison.Type: GrantFiled: December 27, 2006Date of Patent: July 19, 2011Assignee: LG Electronics Inc.Inventors: Seung-Suk Oh, Dong-Il Lee, Hyoun-Jeong Shin
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Publication number: 20100148624Abstract: Disclosed is an interior permanent magnet type brushless direct current (BLDG) motor including a stator having a plurality of slots wound in a distributed winding manner, and a rotor positioned in the stator, configured to rotate with respect to the stator, and having a rotor core, a plurality of permanent magnets inserted in the rotor core and a plurality of flux barriers, wherein a flux barrier angle of the rotor is determined by multiples of twenty as an electrical angle and the multiples of twenty relates to a number of slots of the stator.Type: ApplicationFiled: October 28, 2009Publication date: June 17, 2010Applicant: LG ELECTRONICS INC.Inventors: Seung-Suk OH, Jin-Soo PARK
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Publication number: 20100150750Abstract: An interior permanent magnet type brushless direct current (BLDC) motor includes a stator having a plurality of slots. The BLDC motor also includes a rotor positioned in the stator and that is rotatable with respect to the stator. The rotor has a rotor core, a plurality of permanent magnets inserted in the rotor core, a plurality of vent holes positioned between the center of the rotor core and the permanent magnets, and a plurality of coupling holes positioned between the permanent magnets and a periphery of the rotor core.Type: ApplicationFiled: October 28, 2009Publication date: June 17, 2010Applicant: LG ELECTRONICS INC.Inventors: Seung-Suk OH, Jin-Soo PARK
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Publication number: 20100038985Abstract: Disclosed is a brushless DC motor, a magnetizing method thereof and a washing machine having the same. The brushless DC motor, comprising: a stator, and a rotor having a plurality of magnetic poles with a same thickness, wherein each of the magnetic poles is magnetized such that a magnetic flux density of an air gap is high at a central portion of each of the magnetic poles, compared to the magnetic flux density at both ends of each of the magnetic poles. Accordingly, a manufacturing cost can be reduced, a manufacturing process can be facilitated, and vibration and noise can be reduced.Type: ApplicationFiled: September 19, 2007Publication date: February 18, 2010Inventors: Jang-Ho Shim, Seung-Suk Oh, Byoung-Wook Min
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Patent number: 7592730Abstract: A hybrid induction motor includes a motor casing; a rotational shaft rotatably coupled with the motor casing; an induction rotor rotated by being integrally coupled with the rotational shaft and having a rotor core and a conductor bar inserted in the rotor core; a stator having a hollow into which the induction rotor is inserted and installed with a certain length in a direction of the rotational shaft; a first magnetic rotor inserted between the stator and the induction rotor and coupled with the rotational shaft so as to be freely rotatable; a second magnetic rotor inserted between the stator and the induction rotor so as to be symmetrical with the first magnetic rotor and coupled with the rotational shaft so as to be freely rotatable; and a magnetic spacer inserted between the first and second magnetic rotors.Type: GrantFiled: December 19, 2006Date of Patent: September 22, 2009Assignee: LG Electronics Inc.Inventors: Seung-Do Han, Seung-Suk Oh, Hyoun-Jeong Shin