Patents by Inventor Sun Sung KWON

Sun Sung KWON 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: 11002339
    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: Grant
    Filed: November 26, 2018
    Date of Patent: May 11, 2021
    Assignees: 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, Ilhan Yoo, Juhyeon Park, Minho Chae, Dongwoo Kim, Hye Jin Lim, Soonki Eo, Ki Dong Kim, Woo Jin Chang, Yong Sug Choi, Young Chan Gweon
  • Patent number: 10989277
    Abstract: A power transmission apparatus may include a first input shaft fixedly connected to an engine output shaft, a second input shaft external and selectively connectable to the first input shaft, a third input shaft selectively connectable to the first input shaft, an intermediate shaft and an output shaft mounted in parallel with the input shafts, a planetary gear set having first to third elements and mounted on the intermediate shaft where two of the three elements are selectively connectable to the intermediate shaft, a plurality of gear sets allowing torque flows between the various shafts and the planetary gear set, first and second synchronizers mounted on the at least one output shaft to selectively receive torques from the second and third input shafts through a plurality of paths and to transmit the received torque to the at least one output shaft, and four clutches.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: April 27, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Chon Ok Kim, Seong Wook Hwang, Soonki Eo, Minho Chae, Sun Sung Kwon, Yong Uk Shin
  • Patent number: 10989255
    Abstract: A synchronizer apparatus for a transmission includes: first and second shifting gears rotatable on an output shaft; a hub spline-coupled with the output shaft and having a slope portion having slanted surfaces; a sleeve spline-coupled with the hub; a key coupled with a recess of a slope portion; first and second clutch gears disposed between the hub and shifting gears; first and second outer rings and first and second inner rings disposed between the hub and clutch gears; first and second synchronizer cones disposed between the first inner and outer rings and the second inner and outer rings; a poppet ball unit disposed at the sleeve and contacting the key through a poppet ball; first and second push blocks disposed at the slanted surfaces; and first and second push springs inserted in spring holes formed at the push blocks to force push blocks to the slanted surfaces.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: April 27, 2021
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Chon Ok Kim, Yong Uk Shin, Woochurl Son, Soonki Eo, Woo Jin Chang, Sun Sung Kwon, Minho Chae
  • Patent number: 10981442
    Abstract: A multi-stage dual clutch transmission for a vehicle includes: a first input shaft selectively connectable to an engine through a first clutch and having odd driving gears fixed thereon; a second input shaft disposed coaxially with the first input shaft, selectively connectable to the engine through a second clutch, and having even driving gears fixed thereon; a first output shaft and a second output shaft disposed in parallel with the first and second input shafts and have odd and even driven gears being freely rotatable thereon in mesh with the odd and even driving gears, respectively; and a motor shaft disposed in parallel with the first and second output shafts, connected to a motor, having first and second delivery gears being freely rotatable thereon, and having first and second one-way clutches transmitting power to the first and second delivery gears, respectively, when rotating in a predetermined direction thereof.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: April 20, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Soon Ki Eo, Woo Churl Son, Sun Sung Kwon, Seong Wook Hwang
  • Patent number: 10968995
    Abstract: A power transmission apparatus may include a first input shaft fixedly connected to an engine output shaft, a second input shaft and selectively connectable to the first input shaft, a third input selectively connectable to the first input shaft, an intermediate shaft and first and second output shafts, an idle shaft mounted, a planetary gear set, the second rotation element and one of the first and third rotation elements selectively connectable to the intermediate shaft, the first and third rotation elements connected to the third and second input shafts, a plurality of gear sets, a first synchronizer selectively receiving a torque from the second input shaft and transmitting the received first torque to the first output shaft, a second synchronizer selectively receiving a torque from the third input shaft and transmitting the received second torque to the second output shaft, and four clutches.
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: April 6, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Chon Ok Kim, Seong Wook Hwang, Minho Chae, Sun Sung Kwon, Yong Uk Shin
  • Patent number: 10955036
    Abstract: A power transmission apparatus for a vehicle may include a first input shaft fixedly connected to an engine output shaft, a second input shaft coaxial with the first input shaft a third input shaft coaxial with the second input shaft, an intermediate shaft and at least one output shaft, a planetary gear set mounted on an axis of the intermediate shaft, a plurality of gear sets, each of which allows at least one torque flow between the intermediate shaft, the first, second, and third input shafts, the output shaft and the planetary gear set, a first synchronizer mounted on the output shaft, selectively receiving a torque from the second input shaft, a second synchronizer mounted on the output shaft, selectively receiving a torque from the third input shaft through two paths, and transmitting the received torque to the output shaft, and four clutches each of which facilitating selective connection.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: March 23, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Chon Ok Kim, Seong Wook Hwang, Soonki Eo, Minho Chae, Sun Sung Kwon, Yong Uk Shin
  • Patent number: 10935132
    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: Grant
    Filed: October 18, 2019
    Date of Patent: March 2, 2021
    Assignees: 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: 10883583
    Abstract: A power transmission apparatus may include a first input shaft fixedly connected to an engine output shaft, a second input shaft mounted external to the first input shaft, a third input shaft mounted and external to the second input shaft, an intermediate shaft and first and second output shafts, an idle shaft mounted in parallel with the second output shaft, a planetary gear mounted on an axis of the intermediate shaft, a plurality of gear sets the first, and second output shafts, the idle shaft, and the planetary gear set, a first synchronizer mounted on the first output shaft, a second synchronizer mounted on the second output shaft, selectively receiving a torque from the third input shaft through two paths, and transmitting the received torque to the second output shaft, and four clutches each of which facilitating selective connection.
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: January 5, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Chon Ok Kim, Seong Wook Hwang, Minho Chae, Sun Sung Kwon, Yong Uk Shin
  • Patent number: 10865865
    Abstract: A powertrain may include drive gears provided in an input shaft; an output shaft configured such that a differential is connected thereto; a first driven gear and a second driven gear rotatably provided in the output shaft to be engaged with the drive gears to form respective gear stages; a first clutch and a second clutch; two driveshafts provided to output power in opposed directions from the differential; and a third clutch configured to change a connection relationship among a selected driveshaft of the two driveshafts, the second driven gear, and the output shaft by sliding along an axial direction of the input shaft while being connected to the output shaft via the second clutch.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: December 15, 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: 20200378478
    Abstract: A power transmission apparatus for a vehicle may include a first input shaft fixedly connected to an engine output shaft, a second input shaft coaxial with the first input shaft a third input shaft coaxial with the second input shaft, an intermediate shaft and at least one output shaft, a planetary gear set mounted on an axis of the intermediate shaft, a plurality of gear sets, each of which allows at least one torque flow between the intermediate shaft, the first, second, and third input shafts, the output shaft and the planetary gear set, a first synchronizer mounted on the output shaft, selectively receiving a torque from the second input shaft, a second synchronizer mounted on the output shaft, selectively receiving a torque from the third input shaft through two paths, and transmitting the received torque to the output shaft, and four clutches each of which facilitating selective connection.
    Type: Application
    Filed: September 23, 2019
    Publication date: December 3, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Chon Ok KIM, Seong Wook Hwang, Soonki Eo, Minho Chae, Sun Sung Kwon, Yong Uk Shin
  • Publication number: 20200378474
    Abstract: A power transmission apparatus may include a first input shaft fixedly connected to an engine output shaft, a second input shaft and selectively connectable to the first input shaft, a third input selectively connectable to the first input shaft, an intermediate shaft and first and second output shafts, an idle shaft mounted, a planetary gear set, the second rotation element and one of the first and third rotation elements selectively connectable to the intermediate shaft, the first and third rotation elements connected to the third and second input shafts, a plurality of gear sets, a first synchronizer selectively receiving a torque from the second input shaft and transmitting the received first torque to the first output shaft, a second synchronizer selectively receiving a torque from the third input shaft and transmitting the received second torque to the second output shaft, and four clutches.
    Type: Application
    Filed: October 10, 2019
    Publication date: December 3, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Chon Ok KIM, Seong Wook HWANG, Minho CHAE, Sun Sung KWON, Yong Uk SHIN
  • Publication number: 20200378473
    Abstract: A power transmission apparatus may include a first input shaft fixedly connected to an engine output shaft, a second input shaft mounted external to the first input shaft, a third input shaft mounted and external to the second input shaft, an intermediate shaft and first and second output shafts, an idle shaft mounted in parallel with the second output shaft, a planetary gear mounted on an axis of the intermediate shaft, a plurality of gear sets the first, and second output shafts, the idle shaft, and the planetary gear set, a first synchronizer mounted on the first output shaft, a second synchronizer mounted on the second output shaft, selectively receiving a torque from the third input shaft through two paths, and transmitting the received torque to the second output shaft, and four clutches each of which facilitating selective connection.
    Type: Application
    Filed: October 10, 2019
    Publication date: December 3, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Chon Ok KIM, Seong Wook HWANG, Minho CHAE, Sun Sung KWON, Yong Uk SHIN
  • Publication number: 20200378472
    Abstract: A power transmission apparatus may include a first input shaft fixedly connected to an engine output shaft, a second input shaft external and selectively connectable to the first input shaft, a third input shaft external to the second input shaft and selectively connectable to the first input shaft, an intermediate shaft and an output shaft mounted in parallel with the input shafts, a planetary gear set having first to third elements and mounted on the intermediate shaft where two of the three elements are selectively connectable to the intermediate shaft, a plurality of gear sets allowing torque flows between the various shafts and the planetary gear set, first and second synchronizers mounted on the at least one output shaft to selectively receive torques from the second and third input shafts through a plurality of paths and to transmit the received torque to the at least one output shaft, and four clutches.
    Type: Application
    Filed: September 19, 2019
    Publication date: December 3, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Chon Ok KIM, Seong Wook HWANG, Soonki EO, Minho CHAE, Sun Sung KWON, Yong Uk SHIN
  • Publication number: 20200378486
    Abstract: A power transmission apparatus may include a first input shaft, a second input shaft external and selectively connectable to the first input shaft, a third input shaft external to the second input shaft and selectively connectable to the first input shaft, an intermediate shaft, first and second output shafts, first and second idle shafts, a planetary gear set mounted on the intermediate shaft and having first to elements and where two elements are selectively connectable to the intermediate shaft, a plurality of gear sets allowing torque flows between the various shafts and the planetary gear set, first and second synchronizers respectively mounted on the first and second output shafts, selectively receiving a torque from the second and third input shafts through two paths, and transmitting the received torque to the first and second output shaft, and four clutches.
    Type: Application
    Filed: September 19, 2019
    Publication date: December 3, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Chon Ok KIM, Seong Wook HWANG, Minho CHAE, Sun Sung KWON, Yong Uk SHIN
  • Publication number: 20200378485
    Abstract: A transmission may include a first input shaft, a second input shaft external and selectively connectable to the first input shaft, a third input shaft external to the second input shaft and selectively connectable to the first input shaft, an intermediate shaft, an idle shaft, and an output shaft, a planetary gear set mounted on the intermediate shaft and having first to third elements where the third element and one the first and second elements are selectively connectable to the intermediate shaft and the first and second elements are connected to the third and second input shafts, a plurality of gear sets allowing torque flows between the various shafts and the planetary gear set, first and second synchronizers on the output shaft, receiving torques from the input shafts, and selectively transmitting the received torque to the output shaft, and four clutches.
    Type: Application
    Filed: September 19, 2019
    Publication date: December 3, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Chon Ok Kim, Seong Wook Hwang, Soonki Eo, Minho Chae, Sun Sung Kwon, Yong Uk Shin
  • Patent number: 10837534
    Abstract: A transmission may include a first input shaft, a second input shaft external and selectively connectable to the first input shaft, a third input shaft external to the second input shaft and selectively connectable to the first input shaft, an intermediate shaft, an idle shaft, and an output shaft, a planetary gear set mounted on the intermediate shaft and having first to third elements where the third element and one the first and second elements are selectively connectable to the intermediate shaft and the first and second elements are connected to the third and second input shafts, a plurality of gear sets allowing torque flows between the various shafts and the planetary gear set, first and second synchronizers on the output shaft, receiving torques from the input shafts, and selectively transmitting the received torque to the output shaft, and four clutches.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: November 17, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Chon Ok Kim, Seong Wook Hwang, Soonki Eo, Minho Chae, Sun Sung Kwon, Yong Uk Shin
  • Patent number: 10837533
    Abstract: A power transmission apparatus may include a first input shaft, a second input shaft external and selectively connectable to the first input shaft, a third input shaft external to the second input shaft and selectively connectable to the first input shaft, an intermediate shaft, first and second output shafts, first and second idle shafts, a planetary gear set mounted on the intermediate shaft and having first to elements and where two elements are selectively connectable to the intermediate shaft, a plurality of gear sets allowing torque flows between the various shafts and the planetary gear set, first and second synchronizers respectively mounted on the first and second output shafts, selectively receiving a torque from the second and third input shafts through two paths, and transmitting the received torque to the first and second output shaft, and four clutches.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: November 17, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Chon Ok Kim, Seong Wook Hwang, Minho Chae, Sun Sung Kwon, Yong Uk Shin
  • Publication number: 20200355266
    Abstract: A power transmission apparatus configured for a vehicle, may include a first input shaft selectively connectable to an engine output shaft, a second input shaft mounted coaxial with the first input shaft and selectively connectable to the engine output shaft, a third input shaft external to the second input shaft and selectively connectable to the engine output shaft, a torque mediating shaft mounted coaxial with the first input shaft, first and second intermediate shafts, an idle shaft, a first shifting section including five gear sets, the first and second intermediate shafts, the torque mediating shaft and the idle shaft, a second shifting section including a planetary gear set having a sun gear fixedly connected to the torque mediating shaft, and an output shaft mounted coaxial with and selectively connectable to the first intermediate shaft and outputting a torque from the first and second shifting sections.
    Type: Application
    Filed: October 8, 2019
    Publication date: November 12, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Juhyeon PARK, Seong Wook Hwang, Seongwook Ji, Ki Tae Kim, Wonmin Cho, Hyun Sik Kwon, Ilhan Yoo, Sun Sung Kwon, Chon Ok Kim
  • Publication number: 20200340538
    Abstract: A synchronizer apparatus for a transmission includes first and second shifting gears rotatable on output shaft, a hub spline-coupled with output shaft and having a slope portion having slanted surfaces, a sleeve spline-coupled with hub, a key coupled with the slope portion, first and second clutch gears disposed between hub and shifting gears, first and second outer rings and first and second inner rings disposed between hub and clutch gears, first and second synchronizer cones disposed between first inner and outer rings and second inner and outer rings and engaged with clutch gears, a poppet ball unit disposed at sleeve and contacting key through a poppet ball, first and second push blocks disposed at slanted surfaces, and first and second push springs inserted in spring holes formed at push blocks. In addition, the push springs is abutted by key such to force push blocks to tightly contact slanted surfaces.
    Type: Application
    Filed: August 23, 2019
    Publication date: October 29, 2020
    Inventors: Chon Ok KIM, Minho CHAE, Sun Sung KWON, Yong Uk SHIN
  • Publication number: 20200277999
    Abstract: A friction element latch device includes: a screw provided to be rotatable by receiving power from a driving source; a piston arranged to be movable by rotation of the screw; a guide arranged to selectively restrict movement of the piston; a guide pin protruding in a radial direction from an outer circumferential surface of the piston and guided by the guide; and a friction element arranged to be engaged as the piston moves.
    Type: Application
    Filed: August 21, 2019
    Publication date: September 3, 2020
    Inventors: Minho Chae, Chonok Kim, Sun Sung Kwon, Yong Uk Shin