Patents by Inventor Un-Koo Lee

Un-Koo Lee 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: 9270153
    Abstract: An energy regeneration device of a suspension system for a vehicle, includes a suspension link that connects a wheel carrier to a vehicle body, a bush unit that is disposed between a vehicle body connection portion of the suspension link and the vehicle body and outputs hinge motion of the suspension link through an output gear, a one-way power transmission mechanism that is connected with the output gear of the bush unit, receives the hinge motion transmitted from the output gear through an input gear, and outputs only one-way rotational power, and a generator that is disposed at a side of the vehicle body and generates electricity while being rotated by the transmitted one-way rotational power.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: February 23, 2016
    Assignee: Hyundai Motor Company
    Inventors: Sang Hoon Yoo, Sung Bae Jang, Byung Gu Kang, Un Koo Lee
  • Patent number: 9205716
    Abstract: An energy regeneration device of a suspension system for a vehicle is provided and includes a suspension link connecting a wheel carrier to a vehicle body and a bush unit disposed between a vehicle body connection portion of the suspension link and the vehicle body, outputs hinge motion of the suspension link via an output gear. A rotation fixing mechanism rotates the output gear by connecting the output gear to a side of the suspension link. A one-way power transmission mechanism connected with the output gear receives the hinge motion via an input gear and outputs one-way rotational power. A generator generates electricity while being rotated by the transmitted one-way rotational power. A speed-up mechanism disposed between the generator and the one-way power transmission mechanism transmits the one-way rotational power to the generator. A rectifier electrically connected with the generator, rectifies the electricity generated by the generator.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: December 8, 2015
    Assignee: Hyundai Motor Company
    Inventors: Sang Hoon Yoo, Sung Bae Jang, Byung Gu Kang, Un Koo Lee
  • Patent number: 9030033
    Abstract: An energy regeneration device of a suspension system for a vehicle includes: a suspension link that connects a wheel carrier to a vehicle body; a bush unit that outputs hinge motion of the suspension link through an output gear; a one-way power transmission mechanism that receives the hinge motion transmitted from the output gear through an input gear, and outputs only one-way rotational power; a generator that is disposed at a side of the vehicle body and generates electricity while being rotated by the transmitted one-way rotational power; a speed-up mechanism that speeds up one-way rotational power transmitted from the one-way power transmission mechanism, and transmits the one-way rotational power to a rotary shaft of the generator; a rectifier that rectifies the electricity generated by the generator; and a battery that accumulates electric energy.
    Type: Grant
    Filed: September 23, 2013
    Date of Patent: May 12, 2015
    Assignee: Hyundai Motor Company
    Inventors: Sang Hoon Yoo, Sung Bae Jang, Sung-Jun Kim, Un Koo Lee, Byung Gu Kang
  • Patent number: 8954236
    Abstract: A device combining motor driven power steering with a compressor, may include a deceleration gearbox connected to a steering shaft, a motor selectively providing a steering force to the deceleration gearbox, a first electronic clutch mounted between the deceleration gearbox and a first shaft of the motor, and transmitting or discontinuing transmission of power from the motor to the deceleration gearbox, a power transmitting gear set transmitting power from the motor to a compressor, a second electronic clutch mounted between a second shaft of the motor and an input side of the power transmitting gear set, and transmitting or discontinuing transmission of power from the motor to the power transmitting gear set, and the compressor for an air conditioner, connected to an output side of the power transmitting gear set.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: February 10, 2015
    Assignee: Hyundai Motor Company
    Inventors: Dae Suk Jung, Un Koo Lee, Soo Bo Park
  • Patent number: 8910952
    Abstract: An active geometry control suspension system may include a toe control mechanism having an assist link disposed between the wheel carrier and the sub-frame, a housing unit integrally formed with the sub-frame and having hinge brackets integrally formed at both sides of a wheel side one surface, a guide unit configured to guide a vehicle body side connection portion of the assist link along a predetermined trajectory through a cam guider which slides upward and downward along guide, a drive unit configured to transmit rotating driving torque, and a power transmission unit configured to transmit the linear motion to the vehicle body side connection portion of the assist link so that the vehicle body side connection portion of the assist link is raised and lowered along a predetermined trajectory of the guide unit by the rotating driving torque of the screw shaft.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: December 16, 2014
    Assignee: Hyundai Motor Company
    Inventors: Sang Hoon Yoo, In Seok Seo, Sung Bae Jang, Byung Gu Kang, Un Koo Lee
  • Patent number: 8909433
    Abstract: A system of controlling a steering apparatus of a vehicle that has a motor driving section provided with a motor and a motor shaft, a power delivery section delivering a torque of the motor for assisting maneuvering force to a steering column, and a variable steering section controlling an angle and a length of the steering column by the torque of the motor, may include a first converting section selectively delivering the torque to one of the power delivery section and the variable steering section by using a motor clutch, a connecting section selectively connected to the first converting section and delivering the torque to the variable steering section, and a control portion controlling operations of the motor, and the motor clutch, wherein the motor clutch is a clutch using a first electromagnet, and wherein the control portion controls supply of current to the first electromagnet of the motor clutch.
    Type: Grant
    Filed: June 20, 2012
    Date of Patent: December 9, 2014
    Assignee: Hyundai Motor Company
    Inventors: Daesuk Jung, Un Koo Lee, Soobo Park
  • Patent number: 8899664
    Abstract: A crossmember assembly for a vehicle may include an upper panel; a pair of lower panels assembled at a lower side of both end portions of the upper panel to form a first box, a center lower panel, a middle portion of which is assembled to a lower middle portion of the upper panel, and a front side lower arm mounting panel and a rear side lower arm mounting panel that are disposed at a lower front side and a lower rear side of the crossmember assembly, respectively, and mounted to the both end portions of the upper panel to house a lower arm.
    Type: Grant
    Filed: July 30, 2012
    Date of Patent: December 2, 2014
    Assignee: Hyundai Motor Company
    Inventors: Un Koo Lee, Sung Bae Jang, Pil Young Jeong
  • Patent number: 8887860
    Abstract: A steering apparatus may include a motor; a motor shaft connected to the motor and adapted to deliver torque of the motor; a variable steering section connected to a steering column coupled to a steering handle and adapted to change angle and length of the steering column; and a connecting section adapted to receive from the motor shaft and deliver to the variable steering section the torque of the motor, wherein the variable steering section includes a tilting device adapted to change the angle of the steering column, a telescopic device adapted to change the length of the steering column, a variable steering clutch adapted to be coupled with one of the tilting device and the telescopic device selectively, and a delivery member coupled to the variable steering clutch and adapted to deliver the torque of the motor received from the connecting section to the variable steering clutch.
    Type: Grant
    Filed: June 21, 2012
    Date of Patent: November 18, 2014
    Assignee: Hyundai Motor Company
    Inventors: Daesuk Jung, Un Koo Lee, Soobo Park
  • Patent number: 8870191
    Abstract: An active roll control device utilizes driving torque to move a suspension arm side connection point of a stabilizer link connecting both sides of a stabilizer bar with a suspension arm along a sliding unit to actively control vehicle roll. The sliding unit may include slide rails, a load surface on an upper surface and a lower surface, and a guide surface on an inner side surface, a connector is connected to a pushrod of a drive shaft of the operating source and a lower end portion of the stabilizer link through a double ball joint, a plurality of load rollers rotatably disposed on an upper surface and a lower surface of the connector through a roller pin and contacts the load surface of the sliding rail, and guide rollers rotatably on the connector through a roller pin and contacts the guide surface of the sliding rail.
    Type: Grant
    Filed: July 30, 2012
    Date of Patent: October 28, 2014
    Assignee: Hyundai Motor Company
    Inventors: Un Koo Lee, Sung Bae Jang, Pil Young Jeong
  • Publication number: 20140300067
    Abstract: An active geometry control suspension system may include a toe control mechanism having an assist link disposed between the wheel carrier and the sub-frame, a housing unit integrally formed with the sub-frame and having hinge brackets integrally formed at both sides of a wheel side one surface, a guide unit configured to guide a vehicle body side connection portion of the assist link along a predetermined trajectory through a cam guider which slides upward and downward along guide, a drive unit configured to transmit rotating driving torque, and a power transmission unit configured to transmit the linear motion to the vehicle body side connection portion of the assist link so that the vehicle body side connection portion of the assist link is raised and lowered along a predetermined trajectory of the guide unit by the rotating driving torque of the screw shaft.
    Type: Application
    Filed: December 5, 2013
    Publication date: October 9, 2014
    Applicant: Hyundai Motor Company
    Inventors: Sang Hoon YOO, In Seok SEO, Sung Bae JANG, Byung Gu KANG, Un Koo LEE
  • Patent number: 8807593
    Abstract: A roof airbag device includes an outer cushion and an inner cushion. The outer cushion includes a left wing part and a right wing part, which are oppositely disposed about the passenger's head, an upper cushion part connecting the left and right wing parts, and an outlet hole through which an inflation gas from an inflator is transferred. The inner cushion is disposed between the left and right wing parts, and has an inlet hole through which the inflation gas is supplied, and a discharge hole through which the inflation gas is discharged.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: August 19, 2014
    Assignee: Hyundai Motor Company
    Inventors: Chang Hyun Lee, Jun Yeol Choi, Un Koo Lee
  • Patent number: 8801035
    Abstract: A mounting apparatus for an external airbag cushion of a vehicle may include a seal side unit provided with a seal side panel that may be arranged on a lower side of a vehicle body and a seal side molding covering a part of the seal side panel that may be exposed to the outside of the vehicle body, and an external airbag module that may be provided inside the seal side unit and allows the external airbag cushion to be deployed outside the seal side molding when the external airbag cushion may be deployed.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: August 12, 2014
    Assignees: Hyundai Motor Company, Kia Motors Corp.
    Inventors: Yong Sun Kim, Un Koo Lee, Seoung Hoon Lee
  • Patent number: 8789647
    Abstract: A steer by wire apparatus performing steering operation by turning a wheel when a vehicle turns, may include a tie rod provided with one end pivotally connected to a knuckle of the wheel, a coupling unit rotatably mounted at a sub-frame of a vehicle body, connected to the other end of the tie rod, and converting rotation direction of torque from a first rotation direction to a second rotation direction which is substantially perpendicular to the first rotation direction so as to slidably move the tie rod from the coupling unit and control a steering angle of the wheel, and a motor unit fixed to the sub-frame and supplying the torque to the coupling unit according to a control signal of a vehicle ECU, the rotation direction of the torque being the same as the first rotation direction or being opposite to the first rotation direction.
    Type: Grant
    Filed: September 7, 2010
    Date of Patent: July 29, 2014
    Assignee: Hyundai Motor Company
    Inventors: Sungwook Hwang, Min Woo Han, Un Koo Lee
  • Publication number: 20140183873
    Abstract: An energy regeneration device of a suspension system for a vehicle, includes a suspension link that connects a wheel carrier to a vehicle body, a bush unit that is disposed between a vehicle body connection portion of the suspension link and the vehicle body and outputs hinge motion of the suspension link through an output gear, a one-way power transmission mechanism that is connected with the output gear of the bush unit, receives the hinge motion transmitted from the output gear through an input gear, and outputs only one-way rotational power, and a generator that is disposed at a side of the vehicle body and generates electricity while being rotated by the transmitted one-way rotational power.
    Type: Application
    Filed: December 19, 2013
    Publication date: July 3, 2014
    Applicant: Hyundai Motor Company
    Inventors: Sang Hoon YOO, Sung Bae JANG, Byung Gu KANG, Un Koo LEE
  • Publication number: 20140182955
    Abstract: An energy regeneration device of a suspension system for a vehicle is provided and includes a suspension link connecting a wheel carrier to a vehicle body and a bush unit disposed between a vehicle body connection portion of the suspension link and the vehicle body, outputs hinge motion of the suspension link via an output gear. A rotation fixing mechanism rotates the output gear by connecting the output gear to a side of the suspension link. A one-way power transmission mechanism connected with the output gear receives the hinge motion via an input gear and outputs one-way rotational power. A generator generates electricity while being rotated by the transmitted one-way rotational power. A speed-up mechanism disposed between the generator and the one-way power transmission mechanism transmits the one-way rotational power to the generator. A rectifier electrically connected with the generator, rectifies the electricity generated by the generator.
    Type: Application
    Filed: December 4, 2013
    Publication date: July 3, 2014
    Applicant: Hyundai Motor Company
    Inventors: Sang Hoon Yoo, Sung Bae Jang, Byung Gu Kang, Un Koo Lee
  • Patent number: 8752860
    Abstract: An external air bag apparatus may include a bumper cover having a tear line in a front portion thereof, a cushion disposed behind the bumper cover, wherein the cushion expands outwards by tearing the tear line when the cushion may be expanded so that the cushion surrounds a front surface of the bumper cover, and an expansion guide arranged between the bumper cover and the cushion to guide the cushion to expand forwards to the bumper cover.
    Type: Grant
    Filed: December 11, 2011
    Date of Patent: June 17, 2014
    Assignees: Hyundai Motor Company, Kia Motors Corp.
    Inventors: Yong Sun Kim, Un Koo Lee, Seoung Hoon Lee
  • Patent number: 8733772
    Abstract: An anti-roll apparatus for a vehicle may include lower arms installed at both sides of a sub frame through hinges respectively, a reaction force cylinder formed at a center of the sub frame, wherein piston rods may be installed at both sides thereof respectively and interact by reaction force of compressible fluid filled inside a sealed cylinder housing, and push rods connecting the respective piston rod of the reaction force cylinder and the respective lower arms.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: May 27, 2014
    Assignee: Hyundai Motor Company
    Inventors: Un Koo Lee, Sung Bae Jang, Daesik Ko, Jong Min Kim
  • Patent number: 8727066
    Abstract: A steering apparatus of a vehicle including a motor, a motor shaft, a power delivery section selectively engaged to the motor shaft, a variable steering section connected to the steering column and selectively engaged to the motor shaft to control an angle and a length of the steering column, a connecting section selectively engaged to the motor shaft and delivering the torque of the motor to the variable steering section, and a first converting section delivering the torque of the motor to one of the power delivery section and the connecting section, wherein the first converting section includes a motor clutch coupling a power delivery shaft of the power delivery section to or decoupling the power delivery shaft from the motor shaft, and a delivery member engaged to the motor shaft when the motor shaft is decoupled from the power delivery shaft by the motor clutch.
    Type: Grant
    Filed: June 20, 2012
    Date of Patent: May 20, 2014
    Assignee: Hyundai Motor Company
    Inventors: Daesuk Jung, Un Koo Lee, Soobo Park
  • Publication number: 20140132007
    Abstract: An energy regeneration device of a suspension system for a vehicle includes: a suspension link that connects a wheel carrier to a vehicle body; a bush unit that outputs hinge motion of the suspension link through an output gear; a one-way power transmission mechanism that receives the hinge motion transmitted from the output gear through an input gear, and outputs only one-way rotational power; a generator that is disposed at a side of the vehicle body and generates electricity while being rotated by the transmitted one-way rotational power; a speed-up mechanism that speeds up one-way rotational power transmitted from the one-way power transmission mechanism, and transmits the one-way rotational power to a rotary shaft of the generator; a rectifier that rectifies the electricity generated by the generator; and a battery that accumulates electric energy.
    Type: Application
    Filed: September 23, 2013
    Publication date: May 15, 2014
    Applicant: Hyundai Motor Company
    Inventors: Sang Hoon YOO, Sung Bae JANG, Sung-Jun KIM, Un Koo LEE, Byung Gu KANG
  • Patent number: 8672078
    Abstract: An external airbag module for a vehicle, installed to be located in a space formed between a back beam and a front bumper may include an inflator secured to a front of the back beam and accommodated in the back beam, and an airbag cushion surrounding the inflator and secured to the back beam together with the inflator between the back beam and the front bumper.
    Type: Grant
    Filed: November 9, 2011
    Date of Patent: March 18, 2014
    Assignees: Hyundai Motor Company, Kia Motors Corp.
    Inventors: Seoung Hoon Lee, Yong Sun Kim, Un Koo Lee