Patents by Inventor Young-Jun Lee

Young-Jun 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: 10581306
    Abstract: A power system having two motors includes: a first motor transmitting power to an output shaft of an engine or receiving power from the output shaft of the engine; a first clutch selectively connecting a first rotor of the first motor to the output shaft and mounted on a first power transmitting member that operably connects the output shaft and the first rotor of the first motor; a second motor outputting power to an input shaft of a transmission; and a second clutch selectively connecting the output shaft to a second rotor of the second motor and mounted on a second power transmitting member that operably connects the output shaft and the second rotor of the second motor.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: March 3, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Seong Yeop Lim, Hyun Jun Soh, Jeongbin Yim, Jeong Min Shin, Young Jun Lee
  • Patent number: 10501086
    Abstract: A method for controlling a hybrid vehicle may include detecting, in a controller, a circumstance that a vehicle is rapidly decelerated and then rapidly accelerated; confirming that a transmission clutch slipped in the controller as a result of performing the detecting; reducing a driving torque and a motor speed while minimizing a hydraulic pressure of the transmission clutch in the controller, in the case that the transmission clutch has slipped as a result of performing the confirming; determining when the transmission clutch is available for synchronization in the controller while performing the reducing; and normalizing the hydraulic pressure of the transmission clutch and the driving torque in the controller, in the case that it is determined that the transmission clutch is available for synchronization as a result of performing the determining.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: December 10, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Young Jun Lee, Jung Wan Choi
  • Patent number: 10441242
    Abstract: An X-ray apparatus includes an X-ray source configured to radiate X-rays, a collimator configured to adjust a radiation field of the X-rays and rotate on an optical axis direction of the X-rays, a ring-shaped first rotation transfer unit centered on an optical axis of the X-rays in the X-ray source, a second rotation transfer unit interlocked with the ring-shaped first rotation transfer unit and configured to rotate as the collimator rotates, a rotation sensor configured to sense an amount of rotation of the second rotation transfer unit, and a detector comprising a receiving surface on which the X-rays radiated from the collimator are incident.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: October 15, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae-soo Kim, Han-ju Nam, Young-jun Lee, Jin-ho Choi
  • Patent number: 10375779
    Abstract: Disclosed herein is a lighting apparatus capable of uniformly maintaining power consumed by light emitting units even in the case in which various voltages are applied, and increasing power efficiency while minimizing a heating problem by adjusting a reference voltage applied to a connection structure of the light emitting units and a distribution switch according to magnitude of the applied voltage.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: August 6, 2019
    Assignee: LUMENS CO., LTD.
    Inventors: Tai-Hyun Kim, Jong-il Kim, Hyun-Pyo Hong, Jun-Hyung Lim, Tae-Kwan Lee, Young-Jun Lee
  • Publication number: 20190152465
    Abstract: A control method of a power train for a hybrid vehicle is provided. The method includes determining whether an engine corresponds to an optimal operating point when intervention for upshifting is demanded during an HEV driving mode and determining whether an amount of demanded intervention is equal to or less than a value adding maximum intervention torques of a drive motor and an HSG. Each intervention torque of the drive motor and the HSG is determined to adjust a whole energy-collect rate by the drive motor and the HSG to a maximum value of the amount of demanded intervention, and simultaneously, the value adding the intervention torques of the drive motor and the HSG satisfies the amount of demanded intervention.
    Type: Application
    Filed: September 1, 2016
    Publication date: May 23, 2019
    Inventor: Young Jun Lee
  • Patent number: 10272897
    Abstract: A control method of a power train for a hybrid vehicle is provided. The method includes determining whether an engine corresponds to an optimal operating point when intervention for upshifting is demanded during an HEV driving mode and determining whether an amount of demanded intervention is equal to or less than a value adding maximum intervention torques of a drive motor and an HSG. Each intervention torque of the drive motor and the HSG is determined to adjust a whole energy-collect rate by the drive motor and the HSG to a maximum value of the amount of demanded intervention, and simultaneously, the value adding the intervention torques of the drive motor and the HSG satisfies the amount of demanded intervention.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: April 30, 2019
    Assignee: Hyundai Motor Company
    Inventor: Young Jun Lee
  • Publication number: 20190097499
    Abstract: An oil circulation type motor may include an oil circulating device having cooling oil chambers which are formed along the circumference of a stator core and through which cooling oil pumped by an oil pump is introduced and discharged, wherein cooling oil is introduced into the cooling oil chambers, wets a stator coil wound around the stator core, and is then discharged from the cooling oil chambers.
    Type: Application
    Filed: December 12, 2017
    Publication date: March 28, 2019
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jeong-Bin Yim, Jeong-Min Shin, Hyun-Jun Soh, Seong-Yeop Lim, Young-Jun Lee
  • Publication number: 20190054921
    Abstract: A method for controlling a hybrid vehicle may include detecting, in a controller, a circumstance that a vehicle is rapidly decelerated and then rapidly accelerated; confirming that a transmission clutch slipped in the controller as a result of performing the detecting; reducing a driving torque and a motor speed while minimizing a hydraulic pressure of the transmission clutch in the controller, in the case that the transmission clutch has slipped as a result of performing the confirming; determining when the transmission clutch is available for synchronization in the controller while performing the reducing; and normalizing the hydraulic pressure of the transmission clutch and the driving torque in the controller, in the case that it is determined that the transmission clutch is available for synchronization as a result of performing the determining.
    Type: Application
    Filed: November 20, 2017
    Publication date: February 21, 2019
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Young Jun Lee, Jung Wan CHOI
  • Publication number: 20190034637
    Abstract: A reprogramming method of a vehicle includes authenticating a diagnostor; receiving integrated firmware comprising a plurality of firmwares that correspond to a plurality of target controllers, respectively, from the diagnostor that is completely authenticated; authenticating the integrated firmware; encrypting and storing the plurality of firmwares included in the integrated firmware; and generating encryption keys that corresponds the plurality of target controllers, respectively apparatus. The encrypting and storing comprises encrypting and storing the plurality of firmwares to the encryption keys that correspond to the plurality of firmwares, respectively.
    Type: Application
    Filed: November 29, 2017
    Publication date: January 31, 2019
    Inventors: A. Ram CHO, Ho Jin JUNG, Hyun Soo AHN, Young Jun LEE, Dae Young KIM
  • Publication number: 20190013721
    Abstract: A power system having two motors includes: a first motor transmitting power to an output shaft of an engine or receiving power from the output shaft of the engine; a first clutch selectively connecting a first rotor of the first motor to the output shaft and mounted on a first power transmitting member that operably connects the output shaft and the first rotor of the first motor; a second motor outputting power to an input shaft of a transmission; and a second clutch selectively connecting the output shaft to a second rotor of the second motor and mounted on a second power transmitting member that operably connects the output shaft and the second rotor of the second motor.
    Type: Application
    Filed: December 4, 2017
    Publication date: January 10, 2019
    Inventors: Seong Yeop LIM, Hyun Jun Soh, Jeongbin Yim, Jeong Min Shin, Young Jun Lee
  • Publication number: 20180297576
    Abstract: A method of performing a mode transition in a hybrid vehicle includes: determining a transition from a first mode to a second mode; comparing a driver's required torque with a maximum torque of an electric motor, determining a compensation torque when the driver's required torque is greater than the maximum torque; and determining a first torque to be output from an engine and a second torque to be output from a hybrid starter generator, which is connected to the engine, in consideration of the compensation torque and a system efficiency.
    Type: Application
    Filed: December 7, 2017
    Publication date: October 18, 2018
    Inventor: Young Jun LEE
  • Patent number: 10099693
    Abstract: A control method of a dual clutch transmission for a hybrid electric vehicle, and a control system for the dual clutch transmission. The control method includes: a handover step of performing a handover process of a transmission while controlling clutch torque of an engaging-side input shaft to maintain a rotational speed change rate of the engaging-side input shaft at a reference change rate; and an actual shifting step of synchronizing a rotational speed of a motor with a rotational speed of the engaging-side input shaft when the first finish determining step determines that the handover process has finished, and of increasing a rotational speed change rate of the motor by increasing motor torque when a synchronization rate is a reference synchronization rate or less.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: October 16, 2018
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Sung Hyun Cho, Ju Hyun Nam, Young Jun Lee
  • Publication number: 20180295686
    Abstract: Disclosed herein is a lighting apparatus capable of uniformly maintaining power consumed by light emitting units even in the case in which various voltages are applied, and increasing power efficiency while minimizing a heating problem by adjusting a reference voltage applied to a connection structure of the light emitting units and a distribution switch according to magnitude of the applied voltage.
    Type: Application
    Filed: June 5, 2018
    Publication date: October 11, 2018
    Applicant: LUMENS CO., LTD.
    Inventors: Tai-Hyun KIM, Jong-il KIM, Hyun-Pyo HONG, Jun-Hyung LIM, Tae-Kwan LEE, Young-Jun LEE
  • Patent number: 10046642
    Abstract: A control method of a dual clutch transmission for a hybrid electric vehicle includes: determining, by a transmission controller, whether a vehicle has entered a power-off down-shift state; determining, by the transmission controller, whether a transmission including a first input shaft, a second input shaft, and an output shaft has entered a torque phase, when the first determining step determines that the vehicle has entered the power-off down-shift state; calculating a compensatory torque for compensating for a change in a regenerative braking force according to a change of a gear ratio in accordance with a completion percentage of the torque phase, when it is determined that a transmission has entered the torque phase; and compensating for regenerative torque of a motor by applying the compensatory torque.
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: August 14, 2018
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Sung Hyun Cho, Young Jun Lee
  • Patent number: 10015850
    Abstract: Disclosed herein is a lighting apparatus capable of uniformly maintaining power consumed by light emitting units even in the case in which various voltages are applied, and increasing power efficiency while minimizing a heating problem by adjusting a reference voltage applied to a connection structure of the light emitting units and a distribution switch according to magnitude of the applied voltage.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: July 3, 2018
    Assignee: LUMENS CO., LTD.
    Inventors: Tai-Hyun Kim, Jong-il Kim, Hyun-Pyo Hong, Jun-Hyung Lim, Tae-Kwan Lee, Young-Jun Lee
  • Patent number: 9862377
    Abstract: A method and an apparatus for controlling a hybrid electric vehicle are provided. The method includes: determining whether a coasting condition is satisfied and whether a current gear stage is greater than or equal to a predetermined gear stage; determining whether a brake pedal is pushed when the coasting condition is satisfied and the current gear stage is greater than or equal to the predetermined gear stage; determining whether deceleration of the hybrid electric vehicle is less than a predetermined deceleration when the brake pedal is pushed; connecting a speed gear to an output shaft when the deceleration of the hybrid electric vehicle is less than the predetermined deceleration; determining whether a shift condition before stopping from a current gear stage to a target gear stage is satisfied; and locking up a shift clutch when the shift condition before stopping is satisfied.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: January 9, 2018
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Seong Hwan Cheong, Ju Hyun Nam, Byeong Wook Jeon, Young Jun Lee
  • Publication number: 20170338509
    Abstract: A rechargeable battery having increased capacity while facilitating a manufacturing process is provided. A rechargeable battery includes: an electrode assembly including at least a unit body including a first region and a second region that are divided based on a folding center in which separators including at least two facing sheets are folded, and electrode plates of a first electrode and electrode plates of a second electrode, and the electrode plates of the first electrode and the electrode plates of the second electrode are alternately stacked with the separators therebetween in each of the first region and the second region: and a case receiving the electrode assembly and an electrolyte solution.
    Type: Application
    Filed: May 18, 2017
    Publication date: November 23, 2017
    Inventors: Seongbong CHO, Jeongsoon SHIN, Young-Jun LEE, Taewoo KIM
  • Patent number: 9796845
    Abstract: Disclosed is a nylon-based resin composite that has a sufficiently low moisture absorption rate to substantially prevent the occurrence of deformation and can attain both low warpage and improved impact resistance. The nylon-based resin composite comprises about 100 parts by weight of a base resin and about 1 to about 30 parts by weight of an impact modifier wherein the base resin comprises about 20 to about 80% by weight of a modified nylon-based thermoplastic resin containing benzene rings in the main chain and about 20 to about 80% by weight of a flat reinforcing fiber having a cross-sectional aspect ratio of about 1.5 or more.
    Type: Grant
    Filed: June 18, 2009
    Date of Patent: October 24, 2017
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Jung Hoon Park, Young Jun Lee, Tae Uk Kim, Bum Seok Youn
  • Publication number: 20170297554
    Abstract: A control method of a power train for a hybrid vehicle is provided. The method includes determining whether an engine corresponds to an optimal operating point when intervention for upshifting is demanded during an HEV driving mode and determining whether an amount of demanded intervention is equal to or less than a value adding maximum intervention torques of a drive motor and an HSG. Each intervention torque of the drive motor and the HSG is determined to adjust a whole energy-collect rate by the drive motor and the HSG to a maximum value of the amount of demanded intervention, and simultaneously, the value adding the intervention torques of the drive motor and the HSG satisfies the amount of demanded intervention.
    Type: Application
    Filed: September 1, 2016
    Publication date: October 19, 2017
    Inventor: Young Jun Lee
  • Patent number: D807666
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: January 16, 2018
    Assignee: JinBiotech Co., Ltd.
    Inventors: Young Jun Lee, Yeo Ok Jeong, Min Seok Lee