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).
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Publication number: 20130126259Abstract: 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: ApplicationFiled: June 21, 2012Publication date: May 23, 2013Applicant: Hyundai Motor CompanyInventors: Daesuk Jung, Un Koo Lee, Soobo Park
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Publication number: 20130087995Abstract: 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: ApplicationFiled: December 12, 2011Publication date: April 11, 2013Applicant: Hyundai Motor CompanyInventors: Chang Hyun Lee, Jun Yeol Choi, Un Koo Lee
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Patent number: 8414017Abstract: A roof airbag apparatus for a vehicle, may include an inflator providing gas pressure, an air tube deploying towards sides of a passenger sitting on a seat when gas may be supplied from the inflator into the air tube, and a front support panel provided on a front end of the air tube to enclose a front portion of the passenger when the air tube may be deployed.Type: GrantFiled: June 21, 2011Date of Patent: April 9, 2013Assignee: Hyundai Motor CompanyInventors: Chang Hyun Lee, Hyeong Ho Choi, Sang Min Jo, Un Koo Lee
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Patent number: 8408559Abstract: An active geometry control suspension system may include an active roll control unit having a guide rail formed along a predetermined distance in a front-rear direction from a rail seat inserted down from above a lower arm, sliders slidably fitting in the guide rail, a stabilizer link with one end pivotally coupled to the sliders, a pushrod with one end pivotally connected to the sliders, and an actuator having an operation bar, one end of which may be pivotally connected to the other end of the pushrod, the operating bar operating forward or backward, wherein the one end of the stabilizer link and the one end of the pushrod may be connected to the sliders through a double ball joint, and the other end of the pushrod and the one end of the operation bar may be connected through a ball joint.Type: GrantFiled: August 15, 2012Date of Patent: April 2, 2013Assignee: Hyundai Motor CompanyInventors: Un Koo Lee, Sung Bae Jang, Pil Young Jeong
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Patent number: 8398092Abstract: A roll control system improves stability in turning by actively controlling roll stiffness in accordance with traveling conditions of a vehicle. The active roll control system for a vehicle suspension includes a stabilizer bar of which the middle straight portion is fixed to a sub-frame by a mount bush and both ends are connected with a lower control arm by a stabilizer link to suppress roll of the vehicle body, in which a roll control mechanism is disposed between a lower end connecting portion of the stabilizer link and the lower control arm to increase roll stiffness by increasing a lever ratio of the stabilizer bar, if needed.Type: GrantFiled: December 1, 2010Date of Patent: March 19, 2013Assignee: Hyundai Motor CompanyInventors: Un Koo Lee, Sung Bae Jang
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Publication number: 20130030652Abstract: 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: ApplicationFiled: June 8, 2012Publication date: January 31, 2013Applicant: Hyundai Motor CompanyInventors: Dae Suk Jung, Un Koo LEE, Soo Bo PARK
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Publication number: 20120319387Abstract: 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: ApplicationFiled: December 11, 2011Publication date: December 20, 2012Applicants: Kia Motors Corporation, Hyundai Motor CompanyInventors: Yong Sun Kim, Un Koo Lee, Seoung Hoon Lee
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Publication number: 20120298438Abstract: 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: ApplicationFiled: November 9, 2011Publication date: November 29, 2012Applicants: Kia Motors Corp., Hyundai Motor CompanyInventors: Seoung Hoon Lee, Yong Sun Kim, Un Koo Lee
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Patent number: 8302973Abstract: An active geometry control suspension, may include an assist link of which a wheel is connected to one end portion thereof to guide a movement of the wheel, a moving member, one portion of which is pivotally fixed to the other end portion of the assist link, a guide formed in the moving member and including a slot to slidably receive the moving member therein so as to guide a movement of the moving member, a body that is fixed to a vehicle body to connect the guide thereto, and a driving portion coupled to the other portion of the moving member and moving the moving member along the slot to vary a position of the assist link and thus to vary an alignment angle of the wheel.Type: GrantFiled: July 13, 2010Date of Patent: November 6, 2012Assignee: Hyundai Motor CompanyInventors: Un Koo Lee, Sang Ho Lee, Hae Ryong Choi, Sung Bae Jang, Byung Gu Kang
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Patent number: 8226091Abstract: An actuating device for an active control suspension system which is provided at both ends of a sub-frame of a vehicle body and connected to one end of an assist link having the other end mounted at a knuckle and which changes a position of a mounting point of the assist link at the vehicle body, may include a member bracket fixedly mounted at each end of the sub-frame, provided with openings formed at both sides and an upper surface thereof, and formed of a pair of slide grooves having arc shape at the both ends thereof to slidably receive a pair of slide plates therein; an actuator connected to both slide plates through a pin-bolt unit; and a cam-bolt unit assembling a bush of the assist link with both slide plates and setting an initial position of the mounting point of the assist link at the vehicle body.Type: GrantFiled: November 30, 2010Date of Patent: July 24, 2012Assignee: Hyundai Motor CompanyInventor: Un Koo Lee
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Publication number: 20120146339Abstract: An energy recovery device of a vehicle suspension system includes a suspension link arm that connects a wheel carrier to a subframe to move up and down according to a road condition, a rotational direction converter that is disposed between a vehicle body side connecting portion of the suspension link and a vehicle body and outputs one direction movement of both direction movements of the vehicle body side connecting portion according to the up-and-down movement of the suspension link arm, a generator that is rotated by torque outputted by the rotational direction converter to generate electrical energy, a rectifier that is connected to the generator to rectify the generated electrical energy, and a battery that is connected to the rectifier to charge the electrical energy thereto.Type: ApplicationFiled: September 21, 2011Publication date: June 14, 2012Applicant: Hyundai Motor CompanyInventor: Un Koo Lee
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Publication number: 20120119473Abstract: A roof airbag apparatus for a vehicle, may include an inflator providing gas pressure, an air tube deploying towards sides of a passenger sitting on a seat when gas may be supplied from the inflator into the air tube, and a front support panel provided on a front end of the air tube to enclose a front portion of the passenger when the air tube may be deployed.Type: ApplicationFiled: June 21, 2011Publication date: May 17, 2012Applicant: Hyundai Motor CompanyInventors: Chang Hyun Lee, Hyeong Ho Choi, Sang Min Jo, Un Koo Lee
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Publication number: 20120049480Abstract: A roll control system improves stability in turning by actively controlling roll stiffness in accordance with traveling conditions of a vehicle. The active roll control system for a vehicle suspension includes a stabilizer bar of which the middle straight portion is fixed to a sub-frame by a mount bush and both ends are connected with a lower control arm by a stabilizer link to suppress roll of the vehicle body, in which a roll control mechanism is disposed between a lower end connecting portion of the stabilizer link and the lower control arm to increase roll stiffness by increasing a lever ratio of the stabilizer bar, if needed.Type: ApplicationFiled: December 1, 2010Publication date: March 1, 2012Applicant: Hyundai Motor CompanyInventors: Un Koo LEE, Sung Bae Jang
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Patent number: 8030826Abstract: An energy regeneration device for a suspension system may include a transforming body configured to be compressed or elongated by a chassis spring of the suspension system, and at least an electric generating member that are electrically connected each other and configured to be compressed or elongated with the transforming body.Type: GrantFiled: July 30, 2009Date of Patent: October 4, 2011Assignee: Hyundai Motor CompanyInventor: Un Koo Lee
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Publication number: 20110233880Abstract: An actuating device for an active control suspension system which is provided at both ends of a sub-frame of a vehicle body and connected to one end of an assist link having the other end mounted at a knuckle and which changes a position of a mounting point of the assist link at the vehicle body, may include a member bracket fixedly mounted at each end of the sub-frame, provided with openings formed at both sides and an upper surface thereof, and formed of a pair of slide grooves having arc shape at the both ends thereof to slidably receive a pair of slide plates therein; an actuator connected to both slide plates through a pin-bolt unit; and a cam-bolt unit assembling a bush of the assist link with both slide plates and setting an initial position of the mounting point of the assist link at the vehicle body.Type: ApplicationFiled: November 30, 2010Publication date: September 29, 2011Applicant: Hyundai Motor CompanyInventor: Un Koo Lee
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Publication number: 20110137523Abstract: A motor driven power steering device may include a motor drive unit equipped with a motor moving a rack so as to change steering angle, and a control unit detecting a moving direction of a steering wheel, operating the motor in accordance with the moving direction, and controlling the motor so as to vary the maximum stroke of the rack. The rack stroke may be increased in a predetermined control range of a wheel stroke and the rack stroke may be decreased out of a predetermined control range of a wheel stroke in such a manner that the gap between the wheel and the vehicle body is actively controlled. Further, a separate varying device for limiting the movement of the rack is not included such that the number of components and the manufacturing cost is reduced.Type: ApplicationFiled: September 7, 2010Publication date: June 9, 2011Applicant: HYUNDAI MOTOR COMPANYInventors: Seok Joo LEE, Hyun Sung, Un Koo Lee, Se Il Kim
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Publication number: 20110132682Abstract: 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: ApplicationFiled: September 7, 2010Publication date: June 9, 2011Applicant: HYUNDAI MOTOR COMPANYInventors: Sungwook Hwang, Min Woo Han, Un Koo Lee
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Publication number: 20110042907Abstract: An active geometry control suspension, may include an assist link of which a wheel is connected to one end portion thereof to guide a movement of the wheel, a moving member, one portion of which is pivotally fixed to the other end portion of the assist link, a guide formed in the moving member and including a slot to slidably receive the moving member therein so as to guide a movement of the moving member, a body that is fixed to a vehicle body to connect the guide thereto, and a driving portion coupled to the other portion of the moving member and moving the moving member along the slot to vary a position of the assist link and thus to vary an alignment angle of the wheel.Type: ApplicationFiled: July 13, 2010Publication date: February 24, 2011Applicant: Hyundai Motor CompanyInventors: Un Koo LEE, Sang Ho LEE, Hae Ryong CHOI, Sung Bae JANG, Byung Gu KANG
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Publication number: 20100052475Abstract: An energy regeneration device for a suspension system may include a transforming body configured to be compressed or elongated by a chassis spring of the suspension system, and at least an electric generating member that are electrically connected each other and configured to be compressed or elongated with the transforming body.Type: ApplicationFiled: July 30, 2009Publication date: March 4, 2010Applicant: HYUNDAI MOTOR COMPANYInventor: Un Koo Lee
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Patent number: 7621539Abstract: The present invention provides an actuator for AGCS of a vehicle having a piston reciprocating rectilinearly, a screw bar engaged with the rear portion of the piston and rotating in place, and a drive motor rotating the screw bar in place, the actuator comprising an impact buffering means for buffering a load in the axial direction and an impact absorbing means for absorbing a load in the vertical direction to the axis, the impact buffering means and impact absorbing means being provided on the boundary portion between the screw bar and the motor.Type: GrantFiled: December 29, 2006Date of Patent: November 24, 2009Assignee: Hyundai Motor CompanyInventors: Hae Ryong Choi, Un Koo Lee, Sang Ho Lee, Hyun Sung, Jung Won Kim, Sung Jun Kim, Young Kwang Kim, In Ho Lee