Patents by Inventor Chon Ok Kim

Chon Ok Kim 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).

  • Publication number: 20200166132
    Abstract: A gear shifting apparatus for a multi-speed transmission includes a shifting unit controlling gear shifting by a torque of an actuator and a parking unit controlling a parking state by the torque of the actuator. The actuator includes a control motor transmitting a driving torque to driven gears of the shifting and parking units through a drive gear externally gear-meshed with the driven gears. The shifting unit includes a cam block connected to a first driven gear engaged with the drive gear and having a cam surface on an exterior circumference for shift-stages for controlling gear shifting. In addition, the parking unit includes a parking gear and a parking sprag having an engagement end for controlling engagement and disengagement of a parking state.
    Type: Application
    Filed: October 18, 2019
    Publication date: May 28, 2020
    Applicants: Hyundai Motor Company, KIA Motors Corporation
    Inventors: Sun Sung Kwon, Soonki Eo, Ma Ru Kang, Minho Chae, Yong Uk Shin, Chon Ok Kim
  • Publication number: 20200166127
    Abstract: A gear shifting apparatus for a multi-speed transmission includes: a shifting unit controlling gear shifting by a torque of an actuator; and a parking unit controlling a parking state by the torque of the actuator. In particular, the actuator includes a control motor transmitting a driving torque to driven gears of the shifting and parking units through a drive gear, and the shifting unit includes: a fork slider slidably mounted on a fork rail; a shift fork integrally formed with the fork slider; a finger drum connected to a first driven gear engaged with the drive gear, and having a finger end; and a shift lug that rotates about a lug shaft and includes two lug ends having a different length from each other. The shift lug interacts with the finger end, and has a coupler end coupled with a pocket portion formed at the fork slider.
    Type: Application
    Filed: July 16, 2019
    Publication date: May 28, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Sun Sung KWON, Soonki EO, Ma Ru KANG, Minho CHAE, Yong Uk SHIN, Chon Ok KIM
  • Patent number: 10663018
    Abstract: A hydraulic control system of double piston clutch device configured for an automatic transmission, which includes clutch drum connected to one rotation element, a clutch configured in the clutch drum and configured to transmit rotation power in connection with another rotation element through a clutch hub, and a double piston in which first and second pistons are disposed in series to operate the clutch by hydraulic pressure while a front end is disposed to correspond to the clutch, may include a first hydraulic chamber formed between the first piston and the clutch drum to receive the hydraulic pressure through a first passage hole in a sealed state; and a second hydraulic chamber formed between the first and second pistons to receive the hydraulic pressure through a second passage hole in the sealed state and the hydraulic pressure separately controlled is supplied to the first and second hydraulic chambers, respectively.
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: May 26, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Yong Uk Shin, Minho Chae, Chon Ok Kim
  • Publication number: 20200158234
    Abstract: A gear shifting apparatus for a multi-speed transmission includes: a shifting unit controlling gear shifting by a torque of an actuator; and a parking unit controlling a parking state by the torque of the actuator. In particular, the actuator includes a control motor transmitting a driving torque to a first driven gear of the shifting unit and a second driven gear of the parking unit through a drive gear externally gear-meshed with the driven gears, and the shifting unit includes: a fork slider slidably mounted on a fork rail, a shift fork integrally formed with the fork slider, a cam block connected to the first driven gear engaged with the drive gear and having a cam surface on an exterior circumference for shift-stages, a cam contact pin integrally formed with the fork slider and contacting the cam surface, and a return spring mounted around the fork rail.
    Type: Application
    Filed: July 16, 2019
    Publication date: May 21, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Sun Sung Kwon, Soonki Eo, Ma Ru Kang, Minho Chae, Yong Uk Shin, Chon Ok Kim
  • Publication number: 20200158238
    Abstract: A gear shifting apparatus for a multi-speed transmission for an electric vehicle includes a shifting unit controlling gear shifting by a torque of an actuator, and a parking unit controlling a parking state by the torque of the actuator. In particular, the actuator includes a control motor transmitting a driving torque to a first driven gear and a second driven gear through a drive gear externally gear-meshed with the driven gears, and the shifting unit includes: a shift fork slidably mounted on a fork rail and activating the gear shifting; a profile drum connected to the first driven gear externally engaged with the drive gear, and having a profile groove formed along an exterior circumference of the profile drum; and a shift lug integrally formed with the shift fork and coupled with the profile groove.
    Type: Application
    Filed: July 16, 2019
    Publication date: May 21, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Sun Sung KWON, Soonki EO, Ma Ru KANG, Minho CHAE, Yong Uk SHIN, Chon Ok KIM
  • Patent number: 10626982
    Abstract: An automotive transmission may include a first planetary gear set having first to third rotation elements, an input shaft engaged with the first rotation element of the first planetary gear set, an output shaft engaged with the second rotation element of the first planetary gear set, and a sleeve section sliding linearly along an axial direction of the first planetary gear set to selectively switch to a first state in which the third rotation element is secured to a transmission housing, a second state in which the third rotation element is engaged with a further rotation element, or a neutral state in which the third rotation element is not secured to or engaged with the transmission housing or the further rotation element.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: April 21, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Min Ho Chae, Yong Uk Shin, Soon Ki Eo, Sun Sung Kwon, Chon Ok Kim
  • Publication number: 20200116235
    Abstract: A powertrain for a vehicle may include a first planetary gear set configured such that a first rotation element of three rotation elements thereof is connected to an input shaft; and a first clutch device and a second clutch device provided in series between a second rotation element and a third rotation element of the first planetary gear set to directly connect the second rotation element and the third rotation element, wherein the second clutch device is configured to selectively lock the third rotation element; and the second rotation element of the first planetary gear set functions as an output element of the first planetary gear set.
    Type: Application
    Filed: January 23, 2019
    Publication date: April 16, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Min Ho CHAE, Yong Uk SHIN, Soon Ki EO, Sun Sung KWON, Chon Ok KIM
  • Publication number: 20200116237
    Abstract: A powertrain for a vehicle may include a compound planetary gear set configured such that, of four rotation elements, a first rotation element is connected to an input shaft and a second rotation element is connected to an output element; a brake provided to connect a rotating body to a transmission housing to be locked thereto; a first clutch device provided to switch a connection state of the rotating body between a third rotation element and a fourth rotation element of the compound planetary gear set; and a second clutch device provided to switch a connection state of the second rotation element of the compound planetary gear set to the input shaft.
    Type: Application
    Filed: January 23, 2019
    Publication date: April 16, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Min Ho CHAE, Yong Uk SHIN, Soon Ki EO, Sun Sung KWON, Chon Ok KIM
  • Patent number: 10612647
    Abstract: An oil supply system of an automatic transmission for vehicle may include low-pressure oil pump discharging the oil to low-pressure passage; torque converter control valve controlling flow of the low-pressure passage while recirculating some of surplus flow rate and supplying the controlled flow rate to an operating-side chamber of torque converter and downstream valve; torque converter lock-up clutch switch valve supplying the flow rate of the torque converter control valve and circulation flow rate of the operating-side chamber of the torque converter to lubrication passage; torque converter pressure control valve supplying the flow rate to non-operating side chamber of the torque converter; high-pressure oil pump boosting some of the flow rate of the low-pressure passage and discharging the boosted flow rate to high-pressure passage; and line regulator valve supplying the surplus flow rate during control process to the low-pressure passage and supplying the controlled flow rate to high-pressure portion.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: April 7, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Yong Uk Shin, Minho Chae, Chon Ok Kim, Sun Sung Kwon
  • Patent number: 10596904
    Abstract: A powertrain for a vehicle, may include a first planetary gear set having three rotation elements, with an input shaft connected to a first rotation element of the three rotation elements; an output shaft connected to a second rotation element of the first planetary gear set; a differential connected to the output shaft; a brake configured to lock or release a third rotation element of the first planetary gear set; a hub connected to the second rotation element through a clutch; and a sleeve unit restricted in rotation with respect to the hub and configured to be linearly slidable along an axial direction of the first planetary gear set to change a restriction state of relative rotation between a selected driveshaft of two driveshafts receiving power from the differential, the second rotation element, the third rotation element, and the hub by linear sliding.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: March 24, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Min Ho Chae, Yong Uk Shin, Soon Ki Eo, Sun Sung Kwon, Chon Ok Kim
  • Patent number: 10584779
    Abstract: A transmission for an electric vehicle may include an input shaft connect with a motor; a planetary gear set having a first rotation element directly connected to the input shaft, a second rotation element and a third rotation element; an output shaft having an output gear; a first drive gear provided in the third rotation element of the planetary gear set; a first driven gear disposed at the output shaft to be rotatable to engage with the first drive gear; a second drive gear connected to or disconnected from the input shaft; a second driven gear engaged with the second drive gear and directly connected to the first driven gear; a third drive gear directly connected to the second rotation element of the planetary gear set; and a third driven gear engaged with the third drive gear and directly connected to the output shaft.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: March 10, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Min Ho Chae, Yong Uk Shin, Soon Ki Eo, Ma Ru Kang, Sun Sung Kwon, Chon Ok Kim
  • Publication number: 20200072334
    Abstract: A powertrain for a vehicle may include a main shaft; a transmission unit provided to selectively supply power of a motor to the main shaft with different gear ratios; a differential connected to the main shaft; two driveshafts provided to output power in opposed directions from the differential; a rotating ring rotatably mounted on the main shaft through a first clutch; and a second clutch provided to select either a state where the rotating ring is connected to the transmission unit or a state where the rotating ring is connected to a selected driveshaft of the two driveshafts.
    Type: Application
    Filed: November 19, 2018
    Publication date: March 5, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Min Ho Chae, Yong Uk SHIN, Soon Ki EO, Sun Sung KWON, Chon Ok KIM
  • Patent number: 10576816
    Abstract: A transmission for electric vehicles may include a first input shaft receiving a rotational force from a first motor; a second input shaft receiving a rotational force from a second motor; a one-way clutch mounted between the first and second input shafts, transferring only a forward rotation of the first input shaft to the second input shaft, and transferring only a reverse rotation of the second input shaft to the first input shaft; an output shaft disposed in parallel to the first and second shafts; a gear shifting device coupled to the first input shaft and the output shaft and coupled to the second input shaft and the output shaft, wherein the gear pairs have different shift ratios, and a gear pair corresponding to a driving speed is selected by a clutch device; and an idler gear coupled between gears coupled to the second input shaft and the output shaft.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: March 3, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Soon Ki Eo, Seong Wook Hwang, Chon Ok Kim, Il Han Yoo, Jong Yun Park, Seong Wook Ji
  • Publication number: 20200063829
    Abstract: A power transmission apparatus for a vehicle may include a first input shaft directly connected to a motor/generator, a second and third input shafts coaxial and selectively connectable to the first input shaft, a torque mediating shaft coaxial with the first input shaft, an intermediate shaft and output shaft disposed in parallel with the first input shaft, a first shifting section receiving torque from the third input shaft and outputting a modified torque to the torque mediating shaft, a second shifting section including first planetary gear set, shifting torque of the first input shaft to output the shifted torque to the torque mediating shaft, and selectively stopping the torque mediating shaft, and a third shifting section including second planetary gear set, forming an output torque in combination of torques from the first and second shifting sections and the second input shaft, and outputting the output torque to the output shaft.
    Type: Application
    Filed: November 26, 2018
    Publication date: February 27, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Cheol Ho Jang, Woochurl Son, Sun Sung Kwon, Seong Wook Hwang, Kijong Park, Yong Uk Shin, Seongwook Ji, Ki Tae Kim, Chon Ok Kim, Wonmin Cho, Hyun Sik Kwon, llhan Yoo, Juhyeon Park, Minho Chae, Dongwoo Kim, Hye Jin Lim, Soonki Eo, Ki Dong Kim, Woo Jin Chang, Yong Sug Choi, Young Chan Gweon
  • Publication number: 20200063861
    Abstract: A torque converter system of a vehicle for delivering an input torque to a transmission may include a front cover of a torque converter receiving the input torque through a torque receiving shaft, an impeller of the torque converter receiving the input torque through the front cover, a turbine of the torque converter disposed opposed to and coaxially with the impeller and rotated by an operation fluid supplied from the impeller thereby driving a transmission input shaft, a reactor of the torque converter disposed between the impeller and the turbine and redirecting the operation fluid from the turbine toward the impeller, and a lock-up clutch disposed inside a transmission to selectively connecting the front cover and the turbine.
    Type: Application
    Filed: October 17, 2018
    Publication date: February 27, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Yong Uk SHIN, Seong Wook HWANG, Minho CHAE, Chon Ok KIM, Hyun Sik KWON, Sun Sung KWON, Seongwook JI
  • Publication number: 20200063835
    Abstract: A power transmission apparatus configured for a vehicle, may include a motor/generator including a motor shaft a first input shaft selectively connectable to the motor shaft, a second input shaft externally disposed with the first input shaft and selectively connectable to the motor shaft, a third input shaft externally disposed with the second input shaft and selectively connectable to the motor shaft, a first torque mediating shaft formed as a hollow shaft and coaxially and externally disposed with the first input shaft without rotational interference therebetween, an intermediate shaft parallel with the first input shaft, a first shifting section receiving a torque and outputting the shifted torque, and a second shifting section including a first planetary gear set selectively receiving the torques from the first shifting section and the third input shaft, respectively, and outputting shifted torque through one gear set.
    Type: Application
    Filed: December 3, 2018
    Publication date: February 27, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Seong Wook Hwang, Seongwook Ji, Ki Tae Kim, Chon Ok Kim, Wonmin Cho, Hyun Sik Kwon, Ilhan Yoo, Juhyeon Park, Cheol Ho Jang, Dongwoo Kim, Hye Jin Lim, Ki Been Lim, Ki Dong Kim, Woo Jin Chang, Woochurl Son, Kijong Park
  • Publication number: 20200063830
    Abstract: A power transmission apparatus configured for a vehicle may include a first input shaft fixedly connected to a motor/generator, a second input shaft selectively connectable to the first input shaft, a third input shaft selectively connectable to the first input shaft, a torque mediating shaft externally disposed with the first input shaft, an intermediate shaft, an idle shaft, an output shaft, a first shifting section selectively receiving a torque from the third input shaft, shifting the received torque and outputting the shifted torque, a second shifting section shifting a torque from the first input shaft to the torque mediating shaft, or stopping a rotation of the torque mediating shaft, and a third shifting section selectively receiving a torques from the first and second shifting sections and a torque from the second input and outputting shifted torque to the output shaft.
    Type: Application
    Filed: November 28, 2018
    Publication date: February 27, 2020
    Applicants: Hyndai Motor Company, Kia Motors Corporation
    Inventors: Cheol Ho JANG, Ki Dong KIM, Seong Wook HWANG, Kijong PARK, Yong Uk SHIN, Seongwook JI, Ki Tae KIM, Chon Ok KIM, Wonmin CHO, Hyun Sik KWON, IIhan YOO, Juhyeon PARK, Minho CHAE, Dongwoo KIM, Hye Jin LIM, Soonki EO, Yong Sug CHOI, Sun Sung KWON
  • Patent number: 10563757
    Abstract: The present disclosure provides a hydraulic control system for an automatic transmission. The system includes: a linear solenoid valve configured to control a line pressure and to supply the line pressure to a coupling element, a shift valve to which an output hydraulic pressure of the linear solenoid valve is supplied, and a transmission control unit configured to control the shift vale and the linear solenoid valve.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: February 18, 2020
    Assignees: Hyundai Motor Company, KIA Motors Corporation
    Inventors: Yong Uk Shin, Woongseok Kang, Seongwook Ji, Chon Ok Kim, Woochurl Son, Seung Jung Seo, Minho Chae, Hyu Tae Shim, Ki Dong Kim, Ju Ho Song, Jihoon Kim
  • Patent number: 10563759
    Abstract: A hydraulic control apparatus may include a first valve bifurcating hydraulic pressures of two pressure control solenoid valves, a second valve selectively supplying one pressure from the first valve to first chambers of first and second actuators and another hydraulic pressure from the first valve to second chambers of first and second actuators, a third valve bifurcating hydraulic pressure from the first valve, a fourth valve selectively supplying one pressure from the third valve to first chambers of third and fourth actuators and selectively supplying another pressure from the third valve to second chambers of third and fourth actuators, and a fifth valve selectively supplying one pressure from the third valve to a first chamber of a fifth actuator and an exhaust port and selectively supplying another pressure from the third valve to a second chamber of the fifth actuator and the exhaust port.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: February 18, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Yong Uk Shin, Minho Chae, Chon Ok Kim, Sun Sung Kwon
  • Publication number: 20200047602
    Abstract: A power transmission apparatus for a vehicle may include a first input shaft directly connected with a motor/generator, second and third input shafts and torque mediating shaft coaxial and selectively connected with the first input shaft, a first intermediate shaft and first and second idle shafts in parallel with the first input shaft, a second intermediate shaft in parallel with the first input shaft, and selectively connected with a transmission housing, an output shaft in parallel with the first input shaft, and coaxial and selectively connected with the second intermediate shaft, a first shifting section including six gear sets, selectively receiving torque through the first and third input shafts, and outputting intermediate shift-stages, and a second shifting section including a planetary gear set, forming an output torque by combination torques from the first shifting section and the second input shaft, and outputting the output torque to the output shaft.
    Type: Application
    Filed: December 7, 2018
    Publication date: February 13, 2020
    Applicants: Hyundai Motor Company, KIA Motors Corporation
    Inventors: Minho Chae, Woochurl Son, Sun Sung Kwon, Seong Wook Hwang, Kijong Park, Yong Uk Shin, Seongwook Ji, Ki Tae Kim, Chon Ok Kim, Wonmin Cho, Hyun Sik Kwon, Ilhan Yoo, Juhyeon Park, Cheol Ho Jang, Dongwoo Kim, Hye Jin Lim, Soonki Eo, Ki Dong Kim, Woo Jin Chang, Yong Sug Choi, Young Chan Gweon