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).

  • Publication number: 20240083018
    Abstract: 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: Application
    Filed: February 9, 2023
    Publication date: March 14, 2024
    Inventors: 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
  • Patent number: 10651696
    Abstract: 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: Grant
    Filed: November 2, 2016
    Date of Patent: May 12, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won-ho Kim, Sung-hyuk Park, Seong-taek Lim, Woong Hwang
  • Patent number: 10505413
    Abstract: 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: Grant
    Filed: March 24, 2017
    Date of Patent: December 10, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seong-taek Lim, Sung-il Kim, Hyung-chul Lee, Jun-seok Kim, Tae-ho Yoon
  • Patent number: 10186918
    Abstract: 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: Grant
    Filed: June 26, 2015
    Date of Patent: January 22, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Il Kim, Won Ho Kim, Seong Taek Lim
  • Patent number: 10008890
    Abstract: 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: Grant
    Filed: August 20, 2013
    Date of Patent: June 26, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won-Ho Kim, Seong-Taek Lim, Jin-Woo Cho
  • Patent number: 10003226
    Abstract: 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: Grant
    Filed: November 10, 2014
    Date of Patent: June 19, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Il Kim, Seong Taek Lim
  • Patent number: 9882441
    Abstract: 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: Grant
    Filed: October 17, 2014
    Date of Patent: January 30, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Il Kim, Seong Taek Lim
  • Publication number: 20170294813
    Abstract: 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: Application
    Filed: March 24, 2017
    Publication date: October 12, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seong-taek LIM, Sung-il KIM, Hyung-chul LEE, Jun-seok KIM, Tae-ho YOON
  • Patent number: 9667111
    Abstract: 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: Grant
    Filed: June 20, 2014
    Date of Patent: May 30, 2017
    Assignees: SAMSUNG ELECTRONICS CO., LTD., Kyungpook National University Industry-Academic Cooperation Foundation
    Inventors: Won-ho Kim, Seong-taek Lim, Hong-soon Choi, Jin-woo Cho
  • Publication number: 20170126081
    Abstract: 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: Application
    Filed: November 2, 2016
    Publication date: May 4, 2017
    Inventors: Won-ho KIM, Sung-hyuk PARK, Seong-taek LIM, Woong HWANG
  • Patent number: 9608484
    Abstract: 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: Grant
    Filed: February 10, 2012
    Date of Patent: March 28, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-Woo Cho, Seong-Taek Lim
  • Patent number: 9306430
    Abstract: 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: Grant
    Filed: February 22, 2013
    Date of Patent: April 5, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-Woo Cho, Seong-Taek Lim, Sung-Hyuk Park
  • Patent number: 9254741
    Abstract: 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: Grant
    Filed: March 1, 2013
    Date of Patent: February 9, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-Hyuk Park, Seong-Taek Lim, Jin-woo Cho
  • Publication number: 20150380996
    Abstract: 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: Application
    Filed: June 26, 2015
    Publication date: December 31, 2015
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung Il KIM, Won Ho Kim, Seong Taek Lim
  • Patent number: 9189066
    Abstract: 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: Grant
    Filed: September 24, 2010
    Date of Patent: November 17, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae-Sang Park, Seong-Taek Lim
  • Publication number: 20150288233
    Abstract: 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: Application
    Filed: April 1, 2015
    Publication date: October 8, 2015
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Won Ho Kim, Seong Taek Lim, Jin Woo Cho, Sung Il Kim
  • Patent number: 9083219
    Abstract: 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: Grant
    Filed: April 17, 2012
    Date of Patent: July 14, 2015
    Assignees: SAMSUNG ELECTRONICS CO., LTD., Kyungpook National University Industry-Academic Cooperation Foundation
    Inventors: Hong-Soon Choi, Jin-woo Cho, Seong-Taek Lim
  • Publication number: 20150145371
    Abstract: 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: Application
    Filed: November 10, 2014
    Publication date: May 28, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Il KIM, Seong Taek LIM
  • Patent number: 9013443
    Abstract: 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: Grant
    Filed: September 2, 2011
    Date of Patent: April 21, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Seong-Taek Lim
  • Patent number: 8994685
    Abstract: 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: Grant
    Filed: July 25, 2011
    Date of Patent: March 31, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Seong-Taek Lim