Patents by Inventor Cheong Un Han

Cheong Un Han 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).

  • Patent number: 10396634
    Abstract: Disclosed herein are a sensor assembly including a holder that includes a first insertion groove formed at one side and a second insertion groove formed at the other side, a sensing magnet disposed at the first insertion groove, and a sensor cap that covers the sensing magnet, and a motor including the same.
    Type: Grant
    Filed: August 1, 2016
    Date of Patent: August 27, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Cheong Un Han
  • Patent number: 10263489
    Abstract: The present invention provides a housing of a motor including a bearing pocket portion which is formed to protrude from an inner lower portion of the housing and in which an accommodation space of a bearing configured to support a shaft is formed and a shaft hole through which the shaft passes is formed in a bottom surface thereof, wherein the bearing pocket portion includes a stepped portion, the stepped portion protrudes upward along a circumference of the shaft hole, and an accommodation groove is formed between the stepped portion and an inner wall of the bearing pocket portion, thereby providing an advantageous effect of preventing foreign materials discharged from the housing of the motor, the wave washer, the bearing, and the like from exiting through the shaft hole.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: April 16, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Cheong Un Han
  • Patent number: 10224782
    Abstract: A motor includes a shaft, a rotor disposed at the shaft, a stator disposed on an outer side of the rotor, a busbar disposed on the stator, a housing accommodating the rotor, the stator, and the busbar, and having an opening formed on one side thereof, and a bracket disposed on a side of the opening of the housing. The busbar includes a busbar body, a reinforcing rib disposed to protrude from an upper surface of the busbar body, and a weight groove formed in a lower surface of the busbar body.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: March 5, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Cheong Un Han
  • Patent number: 9905977
    Abstract: Disclosed herein is a motor terminal assembly comprising a terminal case comprising a terminal accommodation portion accommodate a terminal of another component, and a front end portion having a larger horizontal cross-section than a terminal hole so as to be caught by the terminal hole outside a bracket, and a body portion formed beneath the front end portion and having a smaller horizontal cross-section than the terminal hole so as to move in the terminal hole and A part of electrical connection means to be connected to a terminal a busbar terminal, and to be located at inside the terminal case. Consequently, it may be possible to prevent damage to the terminal and more effectively prevent the terminal from being inclined or biased in an initial state in which the terminal is inserted into a terminal hole.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: February 27, 2018
    Assignee: LG Innotek Co., Ltd.
    Inventors: Cheong Un Han, Woong Seon Ryu
  • Publication number: 20170373556
    Abstract: The present invention provides a housing of a motor including a bearing pocket portion which is formed to protrude from an inner lower portion of the housing and in which an accommodation space of a bearing configured to support a shaft is formed and a shaft hole through which the shaft passes is formed in a bottom surface thereof, wherein the bearing pocket portion includes a stepped portion, the stepped portion protrudes upward along a circumference of the shaft hole, and an accommodation groove is formed between the stepped portion and an inner wall of the bearing pocket portion, thereby providing an advantageous effect of preventing foreign materials discharged from the housing of the motor, the wave washer, the bearing, and the like from exiting through the shaft hole.
    Type: Application
    Filed: December 22, 2015
    Publication date: December 28, 2017
    Inventor: Cheong Un Han
  • Patent number: 9755376
    Abstract: Disclosed herein is a motor terminal including a body including a connection terminal, a rear end portion allowing the connection terminal to be connected to a busbar terminal, and a front end portion allowing the connection terminal to be connected to a terminal of another component, and a pair of hook portions formed on both sides of the body, respectively, so as to be symmetrical on the basis of a criteria line passing a center of the body in a width direction, and configured so as to be open to be further away from each other as directed toward the front end portion from the rear end portion and to be elastically deformable. Consequently, it may be possible to prevent damage to the terminal and more effectively prevent the terminal from being inclined or biased in an initial state in which the terminal is inserted into a terminal hole.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: September 5, 2017
    Assignee: LG Innotek Co., Ltd.
    Inventors: Cheong Un Han, Woong Seon Ryu
  • Publication number: 20170155302
    Abstract: Disclosed herein is a motor terminal assembly comprising a terminal case comprising a terminal accommodation portion accommodate a terminal of another component, and a front end portion having a larger horizontal cross-section than a terminal hole so as to be caught by the terminal hole outside a bracket, and a body portion formed beneath the front end portion and having a smaller horizontal cross-section than the terminal hole so as to move in the terminal hole and A part of electrical connection means to be connected to a terminal a busbar terminal, and to be located at inside the terminal case. Consequently, it may be possible to prevent damage to the terminal and more effectively prevent the terminal from being inclined or biased in an initial state in which the terminal is inserted into a terminal hole.
    Type: Application
    Filed: January 11, 2017
    Publication date: June 1, 2017
    Inventors: Cheong Un HAN, Woong Seon RYU
  • Publication number: 20170126092
    Abstract: A motor includes a shaft, a rotor disposed at the shaft, a stator disposed on an outer side of the rotor, a busbar disposed on the stator, a housing accommodating the rotor, the stator, and the busbar, and having an opening formed on one side thereof, and a bracket disposed on a side of the opening of the housing. The busbar includes a busbar body, a reinforcing rib disposed to protrude from an upper surface of the busbar body, and a weight groove formed in a lower surface of the busbar body.
    Type: Application
    Filed: November 1, 2016
    Publication date: May 4, 2017
    Inventor: Cheong Un HAN
  • Publication number: 20170040874
    Abstract: Disclosed herein are a sensor assembly including a holder that includes a first insertion groove formed at one side and a second insertion groove formed at the other side, a sensing magnet disposed at the first insertion groove, and a sensor cap that covers the sensing magnet, and a motor including the same.
    Type: Application
    Filed: August 1, 2016
    Publication date: February 9, 2017
    Applicant: LG INNOTEK CO., LTD.
    Inventor: Cheong Un HAN
  • Publication number: 20150162809
    Abstract: Disclosed herein is a motor terminal including a body including a connection terminal, a rear end portion allowing the connection terminal to be connected to a busbar terminal, and a front end portion allowing the connection terminal to be connected to a terminal of another component, and a pair of hook portions formed on both sides of the body, respectively, so as to be symmetrical on the basis of a criteria line passing a center of the body in a width direction, and configured so as to be open to be further away from each other as directed toward the front end portion from the rear end portion and to be elastically deformable. Consequently, it may be possible to prevent damage to the terminal and more effectively prevent the terminal from being inclined or biased in an initial state in which the terminal is inserted into a terminal hole.
    Type: Application
    Filed: December 11, 2014
    Publication date: June 11, 2015
    Inventors: Cheong Un HAN, Woong Seon RYU
  • Patent number: 9027041
    Abstract: A turn table of a spindle motor is provided, wherein an outer diameter of a vertical portion at the disk insertion unit facing an inner periphery of a small-diameter disk is smaller by 0.01% to 0.15% than the inner periphery of the small-diameter disk to enable a chucking of the small-diameter disk having an inner diameter of an inner periphery smaller than 15 mm.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: May 5, 2015
    Assignee: LG Innotek Co., Ltd.
    Inventors: Jae Hyun Park, Cheong Un Han
  • Publication number: 20140040925
    Abstract: A turn table of a spindle motor is provided, wherein an outer diameter of a vertical portion at the disk insertion unit facing an inner periphery of a small-diameter disk is smaller by 0.01% to 0.15% than the inner periphery of the small-diameter disk to enable a chucking of the small-diameter disk having an inner diameter of an inner periphery smaller than 15 mm.
    Type: Application
    Filed: October 8, 2013
    Publication date: February 6, 2014
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Jae Hyun PARK, Cheong Un HAN
  • Patent number: 8584154
    Abstract: A turn table of a spindle motor in which a small-diameter disk can be freely attached and detached is disclosed, wherein the disk insertion unit includes an inclination portion guiding the inserted disk, and a vertical portion extensively formed from the inclination portion to the disk accommodation unit to allow an inner periphery of the disk to be brought into contact, and wherein the claw includes an inclination claw portion guiding the inserted disk and a vertical claw portion bent from the inclination claw portion to chuck the disk, and wherein an outer diameter of the vertical portion at the disk insertion unit is 14.94˜l4.96 mm and an outer diameter of the vertical claw portion at the claw is 15.17˜15.23 mm.
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: November 12, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventors: Jae Hyun Park, Cheong Un Han
  • Publication number: 20100083296
    Abstract: A turn table of a spindle motor in which a small-diameter disk can be freely attached and detached is disclosed, wherein the disk insertion unit includes an inclination portion guiding the inserted disk, and a vertical portion extensively formed from the inclination portion to the disk accommodation unit to allow an inner periphery of the disk to be brought into contact, and wherein the claw includes an inclination claw portion guiding the inserted disk and a vertical claw portion bent from the inclination claw portion to chuck the disk, and wherein an outer diameter of the vertical portion at the disk insertion unit is 14.94˜l4.96 mm and an outer diameter of the vertical claw portion at the claw is 15.17˜15.23 mm.
    Type: Application
    Filed: September 18, 2009
    Publication date: April 1, 2010
    Inventors: Jae Hyun Park, Cheong Un Han