Patents by Inventor Woochurl Son

Woochurl Son 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: 11118502
    Abstract: A vehicle supercharging system and a control method thereof are disclosed. The vehicle supercharging system includes: an engine generating power according to combustion of a fuel; a transmission including at least one friction clutch; an electric supercharger that compresses air by rotational force of a motor; an engine-side supercharging path part branching from an air supplying line that supplies air to the engine, passing through the electric supercharger, and joining the air supplying line; a transmission-side supercharging path part that sucks air separately from the engine-side air supplying line, passes through the electric supercharger, and supplies compressed air to the transmission; and a controller that operates the electric supercharger according to a driving state of a vehicle and that controls the engine-side supercharging path part for boosting the engine and the transmission-side supercharging path part for cooling or warming the transmission through control of valves.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: September 14, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sueng Ho Lee, Young Chan Gweon, Taehwan Wi, Woochurl Son, Dongwon Kim, Seongwook Ji, Wootae Kim, Sunghyun Cho, Jae Hyeong Kim
  • 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: 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
  • Publication number: 20210115844
    Abstract: A vehicle supercharging system and a control method thereof are disclosed. The vehicle supercharging system includes: an engine generating power according to combustion of a fuel; a transmission including at least one friction clutch; an electric supercharger that compresses air by rotational force of a motor; an engine-side supercharging path part branching from an air supplying line that supplies air to the engine, passing through the electric supercharger, and joining the air supplying line; a transmission-side supercharging path part that sucks air separately from the engine-side air supplying line, passes through the electric supercharger, and supplies compressed air to the transmission; and a controller that operates the electric supercharger according to a driving state of a vehicle and that controls the engine-side supercharging path part for boosting the engine and the transmission-side supercharging path part for cooling or warming the transmission through control of valves.
    Type: Application
    Filed: June 18, 2020
    Publication date: April 22, 2021
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Sueng Ho LEE, Young Chan GWEON, Taehwan WI, Woochurl SON, Dongwon KIM, Seongwook JI, Wootae KIM, Sunghyun CHO, Jae Hyeong KIM
  • Patent number: 10913341
    Abstract: A power transmission apparatus for a hybrid electric vehicle includes: a planetary gear set including first, second and third rotary elements; a first shaft fixedly connected to an output shaft of an engine; a second shaft fixedly connected to the first rotary element and a first motor/generator; a third shaft receiving rotational power from the first shaft; a fourth shaft selectively connected with the first shaft, and the fourth shaft selectively receiving rotational power from the first shaft or from the third rotary element; a fifth shaft fixedly connected to a second motor/generator; and a sixth shaft transmitting rotational power transmitted from the fifth shaft to a final reduction gear of the differential gear. In particular, the six shafts are connected to external gears mutually by four gear sets so that rotational power is transmitted.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: February 9, 2021
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Wonmin Cho, Kijong Park, Yong Uk Shin, Seongwook Ji, Woochurl Son, Ki Been Lim, Ki Dong Kim, Woo Jin Chang, Seong Wook Hwang, Ki Tae Kim
  • Patent number: 10858003
    Abstract: A vehicle transmission system may include an engine outputting power from fuel combustion, a transmission coupled to the engine and including at least one clutch to control torque input from the engine, an supercharger compressing an intake air and supplying the compressed intake air to the engine, and a control unit, where, when a predetermined acceleration condition is satisfied, the control unit is configured to operate the supercharger and to control the transmission according to a transmission clutch stroke operation map corresponding to the operation of the electric supercharger, to vary an engagement speed of the clutch when the supercharger is operated.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: December 8, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sueng Ho Lee, Woochurl Son, Dong Hee Han, Yong Woo Shin, Jin San Kim, Chong Tae Yang, Choung Wan Son, Young Chan Gweon, Kijong Park, Young Chul Jeong, Dong Hyup Kang, Jihun Lee, Yeongseop Park, Cheol Ho Jang, Jihwan Byun, Wootae Kim, Jung Woo Kim, Han Ki Hong, Ki Been Lim, Changgi Yeo, Hwangbok Lee, Hwan Hur, Woo Jin Chang, Nag Geun Song, Bo Hee Lee
  • Publication number: 20200378477
    Abstract: A power transmission apparatus may include a motor/generator having a rotor selectively connectable to an engine output shaft, a first input shaft mounted coaxial with the engine output shaft and selectively connectable to the rotor, a second input shaft external to the first input shaft and fixedly connected to the rotor, an intermediate shaft parallel with the input shafts, first and second output shafts receiving torques from the first and second input shafts, and outputting a shifted torque based on the received torques, a planetary gear set mounted on the first output shaft, having a sun gear fixedly connected to the first output shaft, selectively receiving torques from the first and second input shafts and the intermediate shaft, and outputting a shifted torque based on the received torques to the first output shaft, and a plurality of gear sets allowing torque flows between the various shafts.
    Type: Application
    Filed: August 8, 2019
    Publication date: December 3, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Juhyeon PARK, Yong Uk SHIN, Seongwook JI, Ki Tae KIM, Woochurl SON, Wonmin CHO, IIHAN YOO, Woo Jin CHANG, Seong Wook HWANG, Chon Ok KIM
  • Patent number: 10851875
    Abstract: A power transmission apparatus may include a motor/generator having a rotor selectively connectable to an engine output shaft, a first input shaft mounted coaxial with the engine output shaft and selectively connectable to the rotor, a second input shaft external to the first input shaft and fixedly connected to the rotor, an intermediate shaft parallel with the input shafts, first and second output shafts receiving torques from the first and second input shafts, and outputting a shifted torque based on the received torques, a planetary gear set mounted on the first output shaft, having a sun gear fixedly connected to the first output shaft, selectively receiving torques from the first and second input shafts and the intermediate shaft, and outputting a shifted torque based on the received torques to the first output shaft, and a plurality of gear sets allowing torque flows between the various shafts.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: December 1, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Juhyeon Park, Yong Uk Shin, Seongwook Ji, Ki Tae Kim, Woochurl Son, Wonmin Cho, Ilhan Yoo, Woo Jin Chang, Seong Wook Hwang, Chon Ok Kim
  • Patent number: 10836246
    Abstract: A power transmission apparatus may include a motor/generator having a rotor selectively connectable to an engine output shaft, a first input shaft mounted along an axis of the engine output shaft and fixedly connected to the rotor, a second input shaft external and selectively connectable to the first input shaft, first and second intermediate shafts and an output shaft mounted in parallel with the input shafts, a planetary gear set mounted on the output shaft, having a sun gear fixedly connected to the output shaft, selectively receiving torques from the first and second input shafts and the first and second intermediate shafts, and outputting the shifted torque based on the received torques to the output shaft, and a plurality of gear sets allowing torque flows between the first and second input shafts, the first and second intermediate shafts, and the output shaft.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: November 17, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Juhyeon Park, Yong Uk Shin, Seongwook Ji, Ki Tae Kim, Woochurl Son, Wonmin Cho, Ilhan Yoo, Woo Jin Chang, Seong Wook Hwang, Chon Ok Kim
  • Publication number: 20200353809
    Abstract: A power transmission apparatus may include a motor/generator having a rotor selectively connectable to an engine output shaft, a first input shaft mounted along an axis of the engine output shaft and fixedly connected to the rotor, a second input shaft external and selectively connectable to the first input shaft, first and second intermediate shafts and an output shaft mounted in parallel with the input shafts, a planetary gear set mounted on the output shaft, having a sun gear fixedly connected to the output shaft, selectively receiving torques from the first and second input shafts and the first and second intermediate shafts, and outputting the shifted torque based on the received torques to the output shaft, and a plurality of gear sets allowing torque flows between the first and second input shafts, the first and second intermediate shafts, and the output shaft.
    Type: Application
    Filed: August 14, 2019
    Publication date: November 12, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Juhyeon PARK, Yong Uk SHIN, Seongwook JI, KiTae KIM, Woochurl SON, Wonmin CHO, llhan YOO, Woo Jin CHANG, Seong Wook HWANG, Chon Ok KIM
  • Publication number: 20200353927
    Abstract: A vehicle transmission system may include an engine outputting power from fuel combustion, a transmission coupled to the engine and including at least one clutch to control torque input from the engine, an supercharger compressing an intake air and supplying the compressed intake air to the engine, and a control unit, where, when a predetermined acceleration condition is satisfied, the control unit is configured to operate the supercharger and to control the transmission according to a transmission clutch stroke operation map corresponding to the operation of the electric supercharger, to vary an engagement speed of the clutch when the supercharger is operated.
    Type: Application
    Filed: October 3, 2019
    Publication date: November 12, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sueng Ho LEE, Woochurl Son, Dong Hee Han, Yong Woo Shin, Jin San Kim, Chong Tae Yang, Choung Wan Son, Young Chan Gweon, Kijong Park, Young Chul Jeong, Dong Hyup Kang, Jihun Lee, Yeongseop Park, Cheol Ho Jang, Jihwan Byun, Wootae Kim, Jung Woo Kim, Han Ki Hong, Ki Been Lim, Changgi Yeo, Hwangbok Lee, Hwan Hur, Woo Jin Chang, Nag Geun Song, Bo Hee Lee
  • Patent number: 10814715
    Abstract: A power transmission system of a vehicle may include a first input shaft selectively connected to an engine, a second input shaft as a hollow shaft, enclosing the first input shaft without rotational interference with the first input shaft, and selectively connected to the engine, a speed change portion including first and second planetary gear sets, each planetary gear set including three rotation elements, and four rotation shafts directly connected to at least one rotation element among the rotation elements of the first and second planetary gear sets, a motor/generator, an output shaft, and control elements including two clutches disposed at positions where the first and second input shafts are selectively connected to an output shaft of the engine, and two brakes disposed at positions where two rotation shafts among the four rotation shafts are selectively connected to a transmission housing.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: October 27, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Wonmin Cho, Seong Wook Hwang, Woochurl Son, Hyun Sik Kwon, Jae Chang Kook, Seongwook Ji
  • Patent number: 10780769
    Abstract: A power transmission apparatus of a hybrid electric vehicle using an engine and first and second motor/generators as power sources, may include a first shaft, a second shaft which is selectively connectable to the first shaft and fixedly connected to the first motor/generator, a third shaft selectively connectable to the first shaft, a fourth shaft coaxially mounted with the third shaft, a fifth shaft transferring rotational power transmitted from the third and fourth shafts to a final reduction gear, a sixth shaft fixedly connected to the second motor/generator, a seventh shaft transferring rotational power transmitted from the sixth shaft to the final reduction gear and a planetary gear set including first, second, and third rotation elements wherein the first to seventh shafts are externally gear-meshed with each other by four gear sets so that rotational power is transmitted.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: September 22, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Wonmin Cho, Kijong Park, Yong Uk Shin, Seongwook Ji, Woochurl Son, Ki Been Lim, Ki Dong Kim, Woo Jin Chang, Seong Wook Hwang, Ki Tae Kim
  • Patent number: 10774903
    Abstract: A power transmission apparatus may include a motor/generator having a rotor selectively connectable to an engine output shaft, a first input shaft mounted coaxial with the engine output shaft and fixedly connected to the rotor, a second input shaft external and selectively connectable to the first input shaft, first and second intermediate shafts and an output shaft mounted in parallel with input shafts, a planetary gear set mounted on the output shaft, having a sun gear fixedly connected to the output shaft, selectively receiving torques from the first and second input shafts and the first and second intermediate shafts, and outputting a shifted torque based on the received torques to the output shaft, and a plurality of external gear sets forming external engagements among the various shafts.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: September 15, 2020
    Inventors: Juhyeon Park, Yong Uk Shin, Seongwook Ji, Ki Tae Kim, Woochurl Son, Wonmin Cho, Ilhan Yoo, Woo Jin Chang, Seong Wook Hwang, Chon Ok Kim
  • Patent number: 10753432
    Abstract: A power transmission apparatus includes: a first input shaft always receiving an input torque from an engine; second and third input shafts coaxially disposed and selectively connected with the first input shaft; a torque mediating shaft selectively connected with the first input shaft or a transmission housing; first and second intermediate shafts and an output shaft respectively disposed in parallel with the first input shaft; a first preliminary shifting section receiving a torque through a first input gear set, selectively shifting the received torque, and outputting the shifted torque; a second preliminary shifting section including a second shifting gear set which outputs a torque from the first input shaft and stops; and a compound shifting section forming an output torque by the input torque and the first and second shifted torques.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: August 25, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Seong Wook Hwang, Woochurl Son, Kijong Park, Sangwon Seo, Yong Uk Shin, Seongwook Ji, Ki Tae Kim, Chon Ok Kim, Wonmin Cho, Ma Ru Kang, Ilhan Yoo, Juhyeon Park, Minho Chae, Dongwoo Kim, Hye Jin Lim, Ki Been Lim, Jin Yong Kim, Soonki Eo, Ki Dong Kim, Woo Jin Chang, Yong Sug Choi, Sun Sung Kwon
  • Patent number: 10746271
    Abstract: A power transmission apparatus includes a first input shaft receiving an input torque, second and third input shafts coaxially disposed and selectively connected with the first input shaft, first and second torque mediating shafts coaxially disposed with the first input shaft, first and second intermediate shafts and an output shaft disposed in parallel with the first input shaft, a first shifting section receiving a torque from the third input shaft and outputting a plurality of first shifted torques, a second shifting section including a first planetary gear set selectively connected with the first input shaft and outputting a plurality of second shifted torques, and a compound shifting section forming an output torque by the input torque and the first and second shifted torques.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: August 18, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Seong Wook Hwang, Woochurl Son, Kijong Park, Sangwon Seo, Yong Uk Shin, Seongwook Ji, Ki Tae Kim, Chon Ok Kim, Wonmin Cho, Ma Ru Kang, Ilhan Yoo, Juhyeon Park, Minho Chae, Dongwoo Kim, Hye Jin Lim, Ki Been Lim, Jin Yong Kim, Soonki Eo, Ki DOng Kim, Woo Jin Chang, Yong Sug Choi, Sun Sung Kwon
  • Publication number: 20200180425
    Abstract: A power transmission system of a vehicle may include a first input shaft selectively connected to an engine, a second input shaft as a hollow shaft, enclosing the first input shaft without rotational interference with the first input shaft, and selectively connected to the engine, a speed change portion including first and second planetary gear sets, each planetary gear set including three rotation elements, and four rotation shafts directly connected to at least one rotation element among the rotation elements of the first and second planetary gear sets, a motor/generator, an output shaft, and control elements including two clutches disposed at positions where the first and second input shafts are selectively connected to an output shaft of the engine, and two brakes disposed at positions where two rotation shafts among the four rotation shafts are selectively connected to a transmission housing.
    Type: Application
    Filed: February 19, 2020
    Publication date: June 11, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Wonmin Cho, Seong Wook Hwang, Woochurl Son, Hyun Sik Kwon, Jae Chang Kook, Seongwook Ji
  • Publication number: 20200182307
    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: Application
    Filed: May 31, 2019
    Publication date: June 11, 2020
    Applicants: 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
  • Publication number: 20200171931
    Abstract: A power transmission apparatus for a hybrid electric vehicle includes: a planetary gear set including first, second and third rotary elements; a first shaft fixedly connected to an output shaft of an engine; a second shaft fixedly connected to the first rotary element and a first motor/generator; a third shaft receiving rotational power from the first shaft; a fourth shaft selectively connected with the first shaft, and the fourth shaft selectively receiving rotational power from the first shaft or from the third rotary element; a fifth shaft fixedly connected to a second motor/generator; and a sixth shaft transmitting rotational power transmitted from the fifth shaft to a final reduction gear of the differential gear. In particular, the six shafts are connected to external gears mutually by four gear sets so that rotational power is transmitted.
    Type: Application
    Filed: August 20, 2019
    Publication date: June 4, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Wonmin CHO, Kijong PARK, Yong Uk SHIN, Seongwook JI, Woochurl SON, Ki Been LIM, Ki Dong KIM, Woo Jin CHANG, Seong Wook HWANG, Ki Tae KIM
  • Patent number: 10668797
    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: Grant
    Filed: December 7, 2018
    Date of Patent: June 2, 2020
    Assignees: 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