Patents by Inventor Seong-taek Lim
Seong-taek Lim 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: 20240083018Abstract: An embodiment device includes an input module including a motor configured to generate a rotational force, an output module configured to receive power from the input module to be rotatable, and a connection module having a first side coupled to the input module and a second side, opposite the first side, coupled to the output module, wherein the connection module is configured to transmit the power from the input module to the output module.Type: ApplicationFiled: February 9, 2023Publication date: March 14, 2024Inventors: Hyo-Joong Kim, Sang In Park, Ki Hyeon Bae, Ju Young Yoon, Beom Su Kim, Min Woong Jeung, Seong Taek Hwang, Ho Jun Kim, Hyun Seop Lim, Kyu Jung Kim
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Patent number: 10651696Abstract: A motor is provided. The motor includes a stator, a rotor rotatably disposed in the stator, and a motor shaft provided in the rotor to rotate integrally with the rotor. The rotor includes at least one permanent magnet fixing core, at least one injection fixing core alternately stacked with the at least one permanent magnet core in a direction of the motor shaft, a plurality of permanent magnets inserted at a predetermined interval in the at least one permanent magnet fixing core and the at least one injection fixing core, and an injection ring formed to cover the at least one permanent magnet fixing core, the at least one injection fixing core, and the plurality of permanent magnets. The at least one permanent magnet fixing core is formed to prevent the permanent magnets from becoming separated from the rotor by a centrifugal force, and the at least one injection fixing core is formed to prevent the injection ring from becoming separated from the rotor by the centrifugal force.Type: GrantFiled: November 2, 2016Date of Patent: May 12, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Won-ho Kim, Sung-hyuk Park, Seong-taek Lim, Woong Hwang
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Patent number: 10505413Abstract: An interior permanent magnet motor includes a stator comprising a hollow and a plurality of coils provided around the hollow; and a rotor rotatably disposed in the hollow of the stator and comprising a plurality of permanent magnets therein. Each of the plurality of permanent magnets of the rotor comprises a central permanent magnet; a pair of side permanent magnets provided at opposite ends of the central permanent magnet to be inclined toward an outer circumferential surface of the rotor; and a pair of bathers provided between the central permanent magnet and the pair of side permanent magnets, a thickness of each of the pair of bathers is equal to or greater than a thickness of the central permanent magnet. The thickness of the central permanent magnet is greater than a thickness of each of the pair of side permanent magnets.Type: GrantFiled: March 24, 2017Date of Patent: December 10, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seong-taek Lim, Sung-il Kim, Hyung-chul Lee, Jun-seok Kim, Tae-ho Yoon
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Patent number: 10186918Abstract: A motor that minimizes demagnetization to improve a force resistant to the demagnetization without increasing a thickness of each permanent magnet and a distance between each permanent magnet and a stator includes a rotor that rotates in one direction and includes cavities configured to hold magnets, flux barriers configured to communicate with first ends of the cavities and formed adjacent to an outer circumferential surface of the rotor, and ribs formed between the outer circumferential surface of the rotor and the flux barriers. Each of the ribs is configured such that a width of one end thereof at an upstream side in a rotational direction of the rotor is wider than that of the other thereof at a downstream side in the rotational direction.Type: GrantFiled: June 26, 2015Date of Patent: January 22, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung Il Kim, Won Ho Kim, Seong Taek Lim
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Patent number: 10008890Abstract: A rotor and an electric motor including the rotor are provided. The electric motor includes a rotor and a plurality of stators. The rotor includes a plurality of main magnets that are disposed spaced apart from each other along a circumferential direction with respect to a rotation axis of the rotor, and have a magnetizing direction that is a direction of the rotation axis, a plurality of auxiliary magnetic units that are disposed on both sides of each of the main magnets in the direction of the rotation axis, and have a magnetizing direction that is the circumferential direction, so as to concentrate magnetic flux in each of the main magnets, and a plurality of webs that are disposed between the auxiliary magnetic units so as to generate a reluctance torque.Type: GrantFiled: August 20, 2013Date of Patent: June 26, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Won-Ho Kim, Seong-Taek Lim, Jin-Woo Cho
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Patent number: 10003226Abstract: A motor includes a cylindrical stator having a hollow, and a rotor rotatably arranged inside the stator. The rotor includes a cylindrical rotor body, a permanent magnet group provided to the rotor body to generate a magnetic field, and a flux barrier group to interrupt magnetic flux. The rotor body, the permanent magnet group and the flux barrier group are asymmetrically formed with respect to a center of poles of the rotor.Type: GrantFiled: November 10, 2014Date of Patent: June 19, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung Il Kim, Seong Taek Lim
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Patent number: 9882441Abstract: A motor including a stator, and a rotor adapted to rotate, wherein the stator includes a stator body, a plurality of teeth protruding from the stator body toward the rotor, and at least one stator magnetic barrier provided to each of the teeth to interrupt magnetic flux. A magnetic field produced in a direction parallel to the outer circumferential surface of the rotor is attenuated, and therefore demagnetization of permanent magnets included in the rotor may be prevented.Type: GrantFiled: October 17, 2014Date of Patent: January 30, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung Il Kim, Seong Taek Lim
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Publication number: 20170294813Abstract: An interior permanent magnet motor includes a stator comprising a hollow and a plurality of coils provided around the hollow; and a rotor rotatably disposed in the hollow of the stator and comprising a plurality of permanent magnets therein. Each of the plurality of permanent magnets of the rotor comprises a central permanent magnet; a pair of side permanent magnets provided at opposite ends of the central permanent magnet to be inclined toward an outer circumferential surface of the rotor; and a pair of bathers provided between the central permanent magnet and the pair of side permanent magnets, a thickness of each of the pair of bathers is equal to or greater than a thickness of the central permanent magnet. The thickness of the central permanent magnet is greater than a thickness of each of the pair of side permanent magnets.Type: ApplicationFiled: March 24, 2017Publication date: October 12, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seong-taek LIM, Sung-il KIM, Hyung-chul LEE, Jun-seok KIM, Tae-ho YOON
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Patent number: 9667111Abstract: Exemplary embodiments disclose a rotor of an electric motor and an electric motor using the same. The rotor includes a core which includes a plurality of protrusion portions which are arranged along an outer circumference of the core and protrude radially to an outer portion of the core, and a plurality of concave portions interposed between the protrusion portions; a plurality of permanent magnets which are respectively disposed at the plurality of concave portions; and a plurality of pole pieces which are disposed at the plurality of concave portions and at outer sides of the plurality of permanent magnets. A length of each of the plurality of pole pieces in an axial direction is shorter than a length of each of the plurality of protrusion portions in the axial direction.Type: GrantFiled: June 20, 2014Date of Patent: May 30, 2017Assignees: SAMSUNG ELECTRONICS CO., LTD., Kyungpook National University Industry-Academic Cooperation FoundationInventors: Won-ho Kim, Seong-taek Lim, Hong-soon Choi, Jin-woo Cho
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Publication number: 20170126081Abstract: A motor is provided. The motor includes a stator, a rotor rotatably disposed in the stator, and a motor shaft provided in the rotor to rotate integrally with the rotor. The rotor includes at least one permanent magnet fixing core, at least one injection fixing core alternately stacked with the at least one permanent magnet core in a direction of the motor shaft, a plurality of permanent magnets inserted at a predetermined interval in the at least one permanent magnet fixing core and the at least one injection fixing core, and an injection ring formed to cover the at least one permanent magnet fixing core, the at least one injection fixing core, and the plurality of permanent magnets. The at least one permanent magnet fixing core is formed to prevent the permanent magnets from becoming separated from the rotor by a centrifugal force, and the at least one injection fixing core is formed to prevent the injection ring from becoming separated from the rotor by the centrifugal force.Type: ApplicationFiled: November 2, 2016Publication date: May 4, 2017Inventors: Won-ho KIM, Sung-hyuk PARK, Seong-taek LIM, Woong HWANG
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Patent number: 9608484Abstract: A motor includes a first rotor and a second rotor which are disposed at opposite sides of a stator, and each of the first rotor and the second rotor includes a plurality of modules, each including a pair of permanent magnets and a connection unit which connects ends of the permanent magnets.Type: GrantFiled: February 10, 2012Date of Patent: March 28, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jin-Woo Cho, Seong-Taek Lim
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Patent number: 9306430Abstract: An in-wheel assembly includes an in-wheel actuator and a wheel. The in-wheel actuator includes a driving motor; a hollow shaft which is disposed inside of the driving motor and driven by a rotational speed of the driving motor to rotate; a decelerator which is arranged in an inner space of the hollow shaft and configured to reduce a rotational speed of the hollow shaft and output the reduced rotational speed to an output shaft; and a shaft support which is configured to support the hollow shaft to rotate with respect to the driving motor and the decelerator. The wheel accommodates the in-wheel actuator and is driven by a rotational speed decreased by the decelerator to rotate.Type: GrantFiled: February 22, 2013Date of Patent: April 5, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jin-Woo Cho, Seong-Taek Lim, Sung-Hyuk Park
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Patent number: 9254741Abstract: An in-wheel assembly includes an in-wheel actuator and a wheel. The in-wheel actuator includes a driving motor, a decelerator which is disposed in the driving motor and configured to decrease a rotational speed received from the driving motor, and an output shaft which is configured to receive the rotational speed decreased by the decelerator. The wheel is configured to accommodate the in-wheel actuator in an inner space and is driven by the rotational speed of the output shaft to rotate.Type: GrantFiled: March 1, 2013Date of Patent: February 9, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung-Hyuk Park, Seong-Taek Lim, Jin-woo Cho
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Publication number: 20150380996Abstract: A motor that minimizes demagnetization to improve a force resistant to the demagnetization without increasing a thickness of each permanent magnet and a distance between each permanent magnet and a stator includes a rotor that rotates in one direction and includes cavities configured to hold magnets, flux barriers configured to communicate with first ends of the cavities and formed adjacent to an outer circumferential surface of the rotor, and ribs formed between the outer circumferential surface of the rotor and the flux barriers. Each of the ribs is configured such that a width of one end thereof at an upstream side in a rotational direction of the rotor is wider than that of the other thereof at a downstream side in the rotational direction.Type: ApplicationFiled: June 26, 2015Publication date: December 31, 2015Applicant: Samsung Electronics Co., Ltd.Inventors: Sung Il KIM, Won Ho Kim, Seong Taek Lim
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Patent number: 9189066Abstract: A touch panel and an electronic device having the same are provided. The touch panel includes a first substrate; a second substrate that is spaced apart from the first substrate by a gap, the second substrate including a touch surface; an array of driving electrode pairs that is arranged on the first substrate and the second substrate, and induces an electrical field locally between the first substrate and the second substrate when a driving voltage is applied thereto; and electro-rheological fluid that is filled in the gap between the first substrate and the second substrate, a viscosity of the electro-rheological fluid changing depending on the electrical field induced by the driving electrode pairs. An operating force or a return force is adjusted by controlling an application or release of the driving voltage.Type: GrantFiled: September 24, 2010Date of Patent: November 17, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Tae-Sang Park, Seong-Taek Lim
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Publication number: 20150288233Abstract: A rotor and a motor using the same may include a cylindrical main core having an inner diameter and an outer diameter; a plurality of radial cores, each of which extends in a direction perpendicular to an outer circumference edge of the main core; a plurality of magnetic flux concentration cores placed between the radial cores, respectively; a plurality of inner coupling parts, each of which connects the main core and the plurality of magnetic flux concentration cores and has a width smaller than the width of the radial core; a rotor core having permanent magnet seating parts provided at both sides of the radial core in parallel with the radial core; and a plurality of permanent magnets placed on the permanent magnet seating parts, and magnetized such that opposite poles face each other with the radial core centered therebetween.Type: ApplicationFiled: April 1, 2015Publication date: October 8, 2015Applicant: Samsung Electronics Co., Ltd.Inventors: Won Ho Kim, Seong Taek Lim, Jin Woo Cho, Sung Il Kim
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Patent number: 9083219Abstract: A rotor and a motor are provided in which the q-axis inductance is increased and the leakage of magnetic flux is prevented to ensure high power operation at high level driving speeds. The rotor includes a rotor core, which is formed at the center thereof with a hole coupled to a shaft, and a module configured to be coupled to the rotor core and comprises a pair of first permanent magnets, which are space apart from each other, and a first connection part connecting ends of the first permanent magnets to each other.Type: GrantFiled: April 17, 2012Date of Patent: July 14, 2015Assignees: SAMSUNG ELECTRONICS CO., LTD., Kyungpook National University Industry-Academic Cooperation FoundationInventors: Hong-Soon Choi, Jin-woo Cho, Seong-Taek Lim
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Publication number: 20150145371Abstract: A motor includes a cylindrical stator having a hollow, and a rotor rotatably arranged inside the stator. The rotor includes a cylindrical rotor body, a permanent magnet group provided to the rotor body to generate a magnetic field, and a flux barrier group to interrupt magnetic flux. The rotor body, the permanent magnet group and the flux barrier group are asymmetrically formed with respect to a center of poles of the rotor.Type: ApplicationFiled: November 10, 2014Publication date: May 28, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung Il KIM, Seong Taek LIM
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Patent number: 9013443Abstract: A driving device and a touch panel are provided. The driving device includes a first switcher and a second switcher. The first switcher is coupled to a first electrode of a capacitance node of the touch panel and is configured to selectively apply, to the first electrode, a driving voltage for generating an electric potential difference in the capacitance node. The second switcher is coupled to the first electrode and configured to selectively apply, to the first electrode, a sensing voltage for sensing a variation in the capacitance of the at least one capacitance node.Type: GrantFiled: September 2, 2011Date of Patent: April 21, 2015Assignee: Samsung Electronics Co., Ltd.Inventor: Seong-Taek Lim
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Patent number: 8994685Abstract: An input sensing device for sensing an input on a touch panel, and touch panel are provided. The input sensing device has a capacitance node and includes a charge pump to which an output signal from a first electrode of the capacitance node is input as a charge source in response to a sensing signal applied through a second electrode of the capacitance node. The input sensing device determines whether there is an input on the touch panel, based on an output voltage of the charge pump.Type: GrantFiled: July 25, 2011Date of Patent: March 31, 2015Assignee: Samsung Electronics Co., Ltd.Inventor: Seong-Taek Lim