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: 8608181
    Abstract: An active roll control system may include a sliding unit which includes a housing disposed on a suspension, a slide rail disposed within the housing along vehicle width direction, and a connector movably disposed on the slide rail, wherein the connector may be pivotally connected with a lower end of the stabilizer link, the connector guided along the vehicle width direction according to vehicle driving condition, and a driving unit connected with the connector so as to drive the connector, wherein the connector may be movable at inward of an imaginary line connecting the first connecting point connected with the knuckle and the second connecting point connected with the outward portion of the sub frame.
    Type: Grant
    Filed: December 11, 2012
    Date of Patent: December 17, 2013
    Assignee: Hyundai Motor Company
    Inventors: Un Koo Lee, Sung Bae Jang, Pil Young Jeong
  • Patent number: 8608186
    Abstract: An active roll control system that may be adapted to actively control roll stiffness of a vehicle by adjusting a mounting position of a stabilizer link connecting a suspension arm with a stabilizer bar of the vehicle on the suspension arm according to a driving condition of vehicle may include a driving unit which including a housing connected with a side of the suspension arm, a rail plate disposed within the housing, and a connector movable along the rail plate, and a stabilizer link of which one end may be connected with an end of the stabilizer bar and the other end may be connected with the connector through a first joint.
    Type: Grant
    Filed: August 3, 2012
    Date of Patent: December 17, 2013
    Assignee: Hyundai Motor Company
    Inventors: Un Koo Lee, Sung Bae Jang, Pil Young Jeong
  • Patent number: 8596647
    Abstract: An active roll control device utilizes a driving torque to move a suspension arm side connection point of a stabilizer link that connects both sides of a stabilizer bar with a suspension arm along a sliding unit such that roll of a vehicle is actively controlled. The sliding unit includes a linear shaft that extends in a vehicle width direction in a housing on the suspension arm, a linear bushing into which the linear shaft is inserted to be slidably moved along the linear shaft in the housing, and a bushing housing that is fixed on an external circumference of the linear bushing, a double ball joint is fixed on an inner side thereof to connect the bushing housing, and the double ball joint is connected to a drive shaft of the drive source through one end of a push rod and a lower end of the stabilizer link.
    Type: Grant
    Filed: July 30, 2012
    Date of Patent: December 3, 2013
    Assignee: Hyundai Motor Company
    Inventors: Un Koo Lee, Sung Bae Jang, Pil Young Jeong
  • Publication number: 20130313800
    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 provider 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 provider and the respective lower arms.
    Type: Application
    Filed: December 27, 2012
    Publication date: November 28, 2013
    Applicant: Hyundai Motor Company
    Inventors: Un Koo Lee, Sung Bae Jang, Daesik Ko, Jong Min Kim
  • Patent number: 8579321
    Abstract: A relatively small capacity of airbag apparatus can be used by relatively shortening the distance between locations on which a passenger and the airbag apparatus are mounted to more effectively prevent a head and a neck of the passenger from being damaged through a discriminated supporting action of an upper body and a head part of the passenger while reducing a weight and a price of the airbag apparatus and the airbag apparatus can be easily standardized by configuration the airbag apparatus regardless of the shapes of a crash pad and a wind shield glass.
    Type: Grant
    Filed: December 12, 2011
    Date of Patent: November 12, 2013
    Assignee: Hyundai Motor Company
    Inventors: Chang Hyun Lee, Jun Yeol Choi, Un Koo Lee
  • Patent number: 8579313
    Abstract: An active roll control device varies a position of a stabilizer link connecting a stabilizer bar with a suspension arm such that torsion rigidity of the stabilizer bar is varied to actively control the roll. A penetrating slot is formed in the suspension arm and may include a sliding unit that includes a rail plate disposed in a housing disposed at a lower side of the penetrating slot along a vehicle width direction and connects a connector that is movably disposed on the rail plate with a lower end of the stabilizer link to guide the stabilizer link along a width direction of the vehicle, and a drive unit having a lead screw as a rotation shaft through a three joint mounting portion that engages a screw connector connected to a hinge portion of the stabilizer link to transfer a driving torque to the stabilizer link.
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: November 12, 2013
    Assignee: Hyundai Motor Company
    Inventors: Un Koo Lee, Sung Bae Jang, Pil Young Jeong
  • Publication number: 20130292927
    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: Application
    Filed: July 1, 2013
    Publication date: November 7, 2013
    Applicant: Hyundai Motor Company
    Inventors: Chang Hyun Lee, Jun Yeol Choi, Un Koo Lee
  • Patent number: 8540251
    Abstract: An active roll control system (ARCS) can actively control roll of a stabilizer bar connected to a pair of upper arms mounted respectively at both sides of a vehicle body through stabilizer links. The system may include a rail plate mounted in a space formed by bending a middle portion of the suspension arm, a connector having a screw hole and a connecting end that is connected to the stabilizer link, upper and lower portions of the connector being movable along the rail plate, a drive motor coupled to the suspension arm and provided with a screw shaft, wherein the connector is movable along the rail plate, and a cover covering the space in a state of being coupled with the rail plate and having a slot formed at a lower surface thereof, wherein the stabilizer link being inserted in and movable along the slot.
    Type: Grant
    Filed: September 10, 2012
    Date of Patent: September 24, 2013
    Assignee: Hyundai Motor Company
    Inventors: Un Koo Lee, Sung Bae Jang, Pil Young Jeong
  • Patent number: 8480101
    Abstract: An anti-roll device for a vehicle may include a lower arm disposed at both sides of a sub-frame, a rotation mounter formed at a middle portion of the sub-frame, a spring unit of which the middle portion is rotatably disposed at the rotation mounter, and a push rod connected to both sides of the spring unit and the lower arm, wherein the spring unit includes a plate spring of which both end portions are bent in opposite directions, an engagement portion having an engagement hole in the middle portion thereof is formed, and a bolt hole is formed at both ends thereof, an assistant spring that is disposed at both sides of the engagement portion and an assemble hole is formed in the middle portion corresponding to the engagement hole, and an engagement yoke engaged with the plate spring and the assistant spring and disposed on the rotation mounter.
    Type: Grant
    Filed: July 30, 2012
    Date of Patent: July 9, 2013
    Assignee: Hyundai Motor Company
    Inventors: Un Koo Lee, Sung Bae Jang, Daesik Ko, Jong Min Kim
  • Patent number: 8469371
    Abstract: An active geometric control suspension system may include an upper arm connected to a side above and between a rear wheel-sided knuckle and a subframe, and an assist link connected to the other side above and between the knuckle and the subframe, together with a node-changeable unit, wherein the node-changeable unit includes a housing formed at a portion of the subframe, a track-variable kit detachably coupled to brackets of the housing, cam-operating rails fixed to a side of the track-variable kit, a cam disposed on the cam-operating rails of the track-variable kit to be slidable up/down along the cam-operating rails, and a cam bolt connecting the cam with a vehicle body-sided connecting portion of the assist link.
    Type: Grant
    Filed: August 17, 2012
    Date of Patent: June 25, 2013
    Assignee: Hyundai Motor Company
    Inventors: Un Koo Lee, Sung Bae Jang, Byung Gu Kang, Sang Hoon Yoo
  • Publication number: 20130147141
    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: Application
    Filed: July 30, 2012
    Publication date: June 13, 2013
    Applicant: Hyundai Motor Company
    Inventors: Un Koo LEE, Sung Bae Jang, Pil Young Jeong
  • Publication number: 20130147135
    Abstract: An active roll control system (ARCS) can actively control roll of a stabilizer bar connected to a pair of upper arms mounted respectively at both sides of a vehicle body through stabilizer links. The system may include a rail plate mounted in a space formed by bending a middle portion of the suspension arm, a connector having a screw hole and a connecting end that is connected to the stabilizer link, upper and lower portions of the connector being movable along the rail plate, a drive motor coupled to the suspension arm and provided with a screw shaft, wherein the connector is movable along the rail plate, and a cover covering the space in a state of being coupled with the rail plate and having a slot formed at a lower surface thereof, wherein the stabilizer link being inserted in and movable along the slot.
    Type: Application
    Filed: September 10, 2012
    Publication date: June 13, 2013
    Applicant: Hyundai Motor Company
    Inventors: Un Koo Lee, Sung Bae Jang, Pil Young Jeong
  • Publication number: 20130147140
    Abstract: An active roll control device utilizes a driving torque to move a suspension arm side connection point of a stabilizer link that connects both sides of a stabilizer bar with a suspension arm along a sliding unit such that roll of a vehicle is actively controlled. The sliding unit includes a linear shaft that extends in a vehicle width direction in a housing on the suspension arm, a linear bushing into which the linear shaft is inserted to be slidably moved along the linear shaft in the housing, and a bushing housing that is fixed on an external circumference of the linear bushing, a double ball joint is fixed on an inner side thereof to connect the bushing housing, and the double ball joint is connected to a drive shaft of the drive source through one end of a push rod and a lower end of the stabilizer link.
    Type: Application
    Filed: July 30, 2012
    Publication date: June 13, 2013
    Applicant: Hyundai Motor Company
    Inventors: Un Koo LEE, Sung Bae JANG, Pil Young JEONG
  • Publication number: 20130147142
    Abstract: An active roll control device varies a position of a stabilizer link connecting a stabilizer bar with a suspension arm such that torsion rigidity of the stabilizer bar is varied to actively control the roll. A penetrating slot is formed in the suspension arm and may include a sliding unit that includes a rail plate disposed in a housing disposed at a lower side of the penetrating slot along a vehicle width direction and connects a connector that is movably disposed on the rail plate with a lower end of the stabilizer link to guide the stabilizer link along a width direction of the vehicle, and a drive unit having a lead screw as a rotation shaft through a three joint mounting portion that engages a screw connector connected to a hinge portion of the stabilizer link to transfer a driving torque to the stabilizer link.
    Type: Application
    Filed: July 31, 2012
    Publication date: June 13, 2013
    Applicant: Hyundai Motor Company
    Inventors: Un Koo Lee, Sung Bae Jang, Pil Young Jeong
  • Publication number: 20130147134
    Abstract: An active geometric control suspension system may include an upper arm connected to a side above and between a rear wheel-sided knuckle and a subframe, and an assist link connected to the other side above and between the knuckle and the subframe, together with a node-changeable unit, wherein the node-changeable unit includes a housing formed at a portion of the subframe, a track-variable kit detachably coupled to brackets of the housing, cam-operating rails fixed to a side of the track-variable kit, a cam disposed on the cam-operating rails of the track-variable kit to be slidable up/down along the cam-operating rails, and a cam bolt connecting the cam with a vehicle body-sided connecting portion of the assist link.
    Type: Application
    Filed: August 17, 2012
    Publication date: June 13, 2013
    Applicant: Hyundai Motor Company
    Inventors: Un Koo Lee, Sung Bae Jang, Byung Gu Kang, Sang Hoon Yoo
  • Publication number: 20130147236
    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: Application
    Filed: July 30, 2012
    Publication date: June 13, 2013
    Applicant: Hyundai Motor Company
    Inventors: Un Koo Lee, Sung Bae Jang, Pil Young Jeong
  • Publication number: 20130147143
    Abstract: An active roll control system that may be adapted to actively control roll stiffness of a vehicle by adjusting a mounting position of a stabilizer link connecting a suspension arm with a stabilizer bar of the vehicle on the suspension arm according to a driving condition of vehicle may include a driving unit which including a housing connected with a side of the suspension arm, a rail plate disposed within the housing, and a connector movable along the rail plate, and a stabilizer link of which one end may be connected with an end of the stabilizer bar and the other end may be connected with the connector through a first joint.
    Type: Application
    Filed: August 3, 2012
    Publication date: June 13, 2013
    Applicant: Hyundai Motor Company
    Inventors: Un Koo Lee, Sung Bae Jang, Pil Young Jeong
  • Publication number: 20130147144
    Abstract: An anti-roll device for a vehicle may include a lower arm disposed at both sides of a sub-frame, a rotation mounter formed at a middle portion of the sub-frame, a spring unit of which the middle portion is rotatably disposed at the rotation mounter, and a push rod connected to both sides of the spring unit and the lower arm, wherein the spring unit includes a plate spring of which both end portions are bent in opposite directions, an engagement portion having an engagement hole in the middle portion thereof is formed, and a bolt hole is formed at both ends thereof, an assistant spring that is disposed at both sides of the engagement portion and an assemble hole is formed in the middle portion corresponding to the engagement hole, and an engagement yoke engaged with the plate spring and the assistant spring and disposed on the rotation mounter.
    Type: Application
    Filed: July 30, 2012
    Publication date: June 13, 2013
    Applicant: Hyundai Motor Company
    Inventors: Un Koo Lee, Sung Bae JANG, Daesik KO, Jong Min KIM
  • Publication number: 20130126258
    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: Application
    Filed: June 20, 2012
    Publication date: May 23, 2013
    Applicant: Hyundai Motor Company
    Inventors: Daesuk Jung, Un Koo Lee, Soobo Park
  • Publication number: 20130131924
    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: Application
    Filed: June 20, 2012
    Publication date: May 23, 2013
    Applicant: Hyundai Motor Company
    Inventors: Daesuk JUNG, Un Koo Lee, Soobo Park