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).
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Patent number: 10396634Abstract: 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: GrantFiled: August 1, 2016Date of Patent: August 27, 2019Assignee: LG INNOTEK CO., LTD.Inventor: Cheong Un Han
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Patent number: 10263489Abstract: 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: GrantFiled: December 22, 2015Date of Patent: April 16, 2019Assignee: LG INNOTEK CO., LTD.Inventor: Cheong Un Han
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Patent number: 10224782Abstract: 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: GrantFiled: November 1, 2016Date of Patent: March 5, 2019Assignee: LG INNOTEK CO., LTD.Inventor: Cheong Un Han
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Patent number: 9905977Abstract: 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: GrantFiled: January 11, 2017Date of Patent: February 27, 2018Assignee: LG Innotek Co., Ltd.Inventors: Cheong Un Han, Woong Seon Ryu
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Publication number: 20170373556Abstract: 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: ApplicationFiled: December 22, 2015Publication date: December 28, 2017Inventor: Cheong Un Han
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Patent number: 9755376Abstract: 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: GrantFiled: December 11, 2014Date of Patent: September 5, 2017Assignee: LG Innotek Co., Ltd.Inventors: Cheong Un Han, Woong Seon Ryu
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Publication number: 20170155302Abstract: 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: ApplicationFiled: January 11, 2017Publication date: June 1, 2017Inventors: Cheong Un HAN, Woong Seon RYU
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Publication number: 20170126092Abstract: 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: ApplicationFiled: November 1, 2016Publication date: May 4, 2017Inventor: Cheong Un HAN
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Publication number: 20170040874Abstract: 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: ApplicationFiled: August 1, 2016Publication date: February 9, 2017Applicant: LG INNOTEK CO., LTD.Inventor: Cheong Un HAN
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Publication number: 20150162809Abstract: 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: ApplicationFiled: December 11, 2014Publication date: June 11, 2015Inventors: Cheong Un HAN, Woong Seon RYU
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Patent number: 9027041Abstract: 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: GrantFiled: October 8, 2013Date of Patent: May 5, 2015Assignee: LG Innotek Co., Ltd.Inventors: Jae Hyun Park, Cheong Un Han
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Publication number: 20140040925Abstract: 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: ApplicationFiled: October 8, 2013Publication date: February 6, 2014Applicant: LG INNOTEK CO., LTD.Inventors: Jae Hyun PARK, Cheong Un HAN
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Patent number: 8584154Abstract: 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: GrantFiled: September 18, 2009Date of Patent: November 12, 2013Assignee: LG Innotek Co., Ltd.Inventors: Jae Hyun Park, Cheong Un Han
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Publication number: 20100083296Abstract: 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: ApplicationFiled: September 18, 2009Publication date: April 1, 2010Inventors: Jae Hyun Park, Cheong Un Han