Patents by Inventor Hyun Sik KWON

Hyun Sik 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).

  • Publication number: 20190078656
    Abstract: A planetary gear train includes input and output shafts; first to fourth planetary gear sets respectively having first to third, fourth to sixth, seventh to ninth, and tenth to twelfth elements, respectively; a first shaft connected with the second and twelfth elements, and selectively connected with the input shaft, a second shaft connected with the sixth element, and selectively connected with the input shaft, a third shaft connected with the eighth element and the output shaft, a fourth shaft connected with the first, fourth, and tenth elements, a fifth shaft connected with the third, fifth, and ninth element, at least one additional shaft selectively connecting a corresponding element to a transmission housing, wherein the corresponding element is an element of the first or second planetary gear sets that is not interconnected.
    Type: Application
    Filed: November 30, 2017
    Publication date: March 14, 2019
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Hyun Sik Kwon, Seongwook JI, Ki Tae Kim, Juhyeon Park, Ilhan Yoon, Seong Wook Hwang, Wonmin Cho
  • Publication number: 20190078657
    Abstract: A planetary gear train of an automatic transmission for a vehicle is disclosed and may include: an input shaft receiving torque of an engine; an output shaft outputting torque; a first, second, third and fourth planetary gear set, each having three rotation elements, together first-twelfth rotation elements; a first shaft fixedly connected to a second rotation element and selectively connected to the input shaft; a second shaft fixedly connected to a fourth rotation element and selectively connected to the input shaft; a third shaft fixedly connected to an eighth rotation element and a twelfth rotation element, and fixedly connected to the output shaft; a fourth shaft fixedly connected to a first rotation element, a fifth rotation element, and a ninth rotation element; a fifth shaft connected to a sixth rotation element and an eleventh rotation element; and a plurality of shafts selectively connected to a transmission housing.
    Type: Application
    Filed: December 1, 2017
    Publication date: March 14, 2019
    Applicants: HYUNDAI MOTOR COMPANY, KIA Motors Corporation
    Inventors: Hyun Sik KWON, Seongwook JI, Ki Tae KIM, Juhyeon PARK, Ilhan YOO, Seong Wook HWANG, Wonmin CHO
  • Publication number: 20190078654
    Abstract: A planetary gear train of an automatic transmission for a vehicle may include an input shaft receiving torque of an engine, an output shaft outputting torque, a first planetary gear set including first, second, and third rotation elements, a second planetary gear set including fourth, fifth, and sixth rotation elements, a third planetary gear set including seventh, eighth, and ninth rotation elements, and a fourth planetary gear set having tenth, eleventh, and twelfth rotation elements. The planetary gear train may further include a first plurality of shafts each fixedly connected with at least one of the rotation elements from the first, second, third, or fourth planetary gear sets, a second plurality of shafts, each selectively connected to a transmission housing and fixedly connected to a rotation element of the first and third planetary gear sets that is not fixedly connected with any of the first plurality of shafts.
    Type: Application
    Filed: November 28, 2017
    Publication date: March 14, 2019
    Inventors: Ilhan Yoo, Seong Wook Hwang, Seongwook Ji, Juhyeon Park, Hyun Sik Kwon, Jae Chang Kook, Ki Tae Kim
  • Publication number: 20190078653
    Abstract: A multi-stage transmission for a vehicle includes: an input shaft, an output shaft, a first, a second, a third, and a fourth planetary gear device, each of which is disposed between the input shaft and the output shaft, and six gear-shift elements connected to rotation elements of the planetary gear devices. A first rotation element of the third planetary gear device is fixedly connected to a first rotation element of the first planetary gear device and to a first rotation element of the second planetary gear device. A second rotation element of the third planetary gear device is fixedly connected to a third rotation element of the first planetary gear device and to a third rotation element of the fourth planetary gear device. A third rotation element of the third planetary gear device is selectively connected to the input shaft.
    Type: Application
    Filed: November 27, 2017
    Publication date: March 14, 2019
    Applicants: HYUNDAI MOTOR COMPANY, KIA Motors Corporation
    Inventors: Hyun Sik Kwon, Seong Wook Ji, Ki Tae Kim, Ju Hyeon Park, Il Han Yoo, Seong Wook Hwang, Won Min Cho
  • Publication number: 20190078662
    Abstract: A multi-stage transmission for vehicles may include an input shaft receiving power from an engine, an output shaft outputting the power, a first planetary gear set, a second planetary gear set, and a third planetary gear set, each of the planetary gear sets having three rotation elements, and seven rotation shafts connected to the rotation elements of the planetary gear sets.
    Type: Application
    Filed: November 28, 2017
    Publication date: March 14, 2019
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Seong Wook Ji, Ki Tae KIM, Ju Hyeon PARK, Hyun Sik KWON, II Han YOO, Seong Wook HWANG, Won Min CHO
  • Publication number: 20190078650
    Abstract: A planetary gear train may include input and output shafts, first to fourth planetary gear sets respectively having first to third, fourth to sixth, seventh to ninth, and tenth to twelfth elements, a first shaft connected with the ninth element and selectively connected with the input shaft, a second shaft connected with the twelfth element and selectively connected with the input shaft, a third shaft connected with the eighth and tenth elements and the output shaft, a fourth shaft connected with the first, fifth, and eleventh elements, a fifth shaft connected with the third, sixth, and seventh elements, and a plurality of additional shafts each selectively connecting a corresponding element to a transmission housing, the corresponding element being an element of the first or second planetary gear sets that is not interconnected.
    Type: Application
    Filed: November 22, 2017
    Publication date: March 14, 2019
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Hyun Sik Kwon, Seongwook Ji, Juhyeon Park, Ilhan Yoo, Seong Wook Hwang, Ki Tae Kim
  • Publication number: 20190078658
    Abstract: A planetary gear train of an automatic transmission is disclosed. The planetary gear train comprises four planetary gear sets each including three rotation elements. The planetary gear train further comprises five shafts connecting at least one rotation member that are fixedly or operably connecting at least one rotation member to at least one from an input shaft of the transmission, an output shaft of the transmission, and the another rotation member of another planetary gear sets.
    Type: Application
    Filed: December 6, 2017
    Publication date: March 14, 2019
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Hyun Sik KWON, Seongwook JI, Ki Tae KIM, Juhyeon PARK, Ilhan YOO, Seong Wook HWANG, Wonmin CHO
  • Publication number: 20190078651
    Abstract: A planetary gear train includes input and output shafts, first to fourth planetary gear sets respectively having first to third, fourth to sixth, seventh to ninth, and tenth to twelfth elements. The planetary gear train includes a first shaft connected with the first and fourth elements and selectively connected with the input shaft, a second shaft connected with the sixth element and selectively connected with the input shaft, a third shaft fixedly connected with the eighth and twelfth elements and the output shaft, a fourth shaft connected with the second, fifth, and seventh elements, and a fifth shaft connected with the third and eleventh elements, The planetary gear train includes a plurality of shafts each selectively connecting a corresponding element to a transmission housing, the corresponding element being an element of the third and fourth planetary gear sets that is not interconnected.
    Type: Application
    Filed: November 22, 2017
    Publication date: March 14, 2019
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Hyun Sik KWON, Seongwook JI, Ki Tae KIM, Juhyeon PARK, Ilhan YOO, Seong Wook HWANG, Wonmin CHO
  • Publication number: 20190078660
    Abstract: A multi-stage transmission for a vehicle includes: a first planetary gear set and a second planetary gear set each including three rotating elements; a compound planetary gear set including four rotating elements; and eight rotation shafts connected to the rotating elements of the planetary gear sets.
    Type: Application
    Filed: November 29, 2017
    Publication date: March 14, 2019
    Inventors: Hyun Sik Kwon, Seong Wook Hwang, Ki Tae Kim, Won Min Cho, Jae Chang Kook, Seong Wook Ji
  • Publication number: 20190078652
    Abstract: Disclosed is a multi-stage transmission for a vehicle. The multi-stage transmission includes: an input shaft, an output shaft, and a first planetary gear set, a second planetary gear set, a third planetary gear set, and a fourth planetary gear set provided between the input shaft and the output shaft to transfer a torque. Each planetary gear set includes three rotating elements and six shifting elements connected to the rotating elements of the first, second, third and fourth planetary gear sets. A first rotating element of the first planetary gear set is fixedly connected to a first rotating element of the second planetary gear set. The second rotating element thereof is fixedly connected to a first rotating element of the third planetary gear set. A third rotating element thereof is fixedly connected to a third rotating element of the fourth planetary gear set.
    Type: Application
    Filed: November 27, 2017
    Publication date: March 14, 2019
    Applicants: HYUNDAI MOTOR COMPANY, KIA Motors Corporation
    Inventors: Hyun Sik Kwon, Seong Wook Ji
  • Publication number: 20190078663
    Abstract: Disclosed is a vehicle transmission with multiple gear stages, the transmission being capable of improving fuel economy and the performance of a vehicle. The vehicle transmission includes four planetary gear sets and six friction members. A shifting operation is performed such that rotary elements of the planetary gear sets are selectively connected and disconnected by the friction members so that the speed and direction of rotation of each gear are changed. Through this shifting operation, a vehicle can drive with one of ten or more forward speed gear ratios and one or more reverse speed gear ratios.
    Type: Application
    Filed: December 11, 2017
    Publication date: March 14, 2019
    Applicants: HYUNDAI MOTOR COMPANY, KIA Motors Corporation
    Inventors: Seong Wook Hwang, Hyun Sik Kwon, Ki Tae Kim, Won Min Cho, Jae Chang Kook, Seong Wook Ji
  • Publication number: 20190078655
    Abstract: A planetary gear train of an automatic transmission for a vehicle is disclosed. The planetary gear train includes an input shaft for receiving an engine torque, an output shaft for outputting a torque, four planetary gear sets each having three rotational elements. The planetary gear train further comprises a plurality of additional shafts, each of which is selectively connected to the transmission housing and fixedly connected to a rotation element of the first, second, third, and fourth planetary gear set that is not fixedly connected with any of the first to fifth shafts.
    Type: Application
    Filed: November 29, 2017
    Publication date: March 14, 2019
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Ilhan YOO, Seongwook JI, Juhyeon PARK, Hyun Sik KWON, Seong Wook HWANG, Ki Tae KIM
  • Publication number: 20190072157
    Abstract: A transmission apparatus may include an input shaft and an output shaft; first to fourth planetary gear devices, each of which is disposed between the input shaft and the output shaft to transfer and has three rotation elements; and six gear-shifting elements connected to the rotation elements of the planetary gear devices, wherein a first rotation element of the first planetary gear device is fixedly connected to a first rotation element of the second planetary gear device, a second rotation element of the first planetary gear device is fixedly connected to a third rotation element of the second planetary gear device and to a third rotation element of the fourth planetary gear device, and a third rotation element of the first planetary gear device is fixedly connected to a third rotation element of the third planetary gear device and to a second rotation element of the fourth planetary gear device.
    Type: Application
    Filed: November 30, 2017
    Publication date: March 7, 2019
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Hyun Sik KWON, Seong Wook JI, KI Tae KIM, Ju Hyeon PARK, II Han YOO, Seong Wook HWANG, Won Min CHO
  • Publication number: 20190063558
    Abstract: A planetary gear train is provided. The gear train includes input and output shafts and first to fourth planetary gear sets that respectively have first to third, fourth to sixth, seventh to ninth, and tenth to twelfth elements. A first shaft is connected with the first and fourth elements and selectively connected with the input shaft, a second shaft is connected with the sixth element and selectively connected with the input shaft, a third shaft is connected with the eighth element and the output shaft, a fourth shaft is connected with the second, fifth, and ninth elements, and a fifth shaft is connected with the third and eleventh elements. A plurality of shafts are each selectively connected to the transmission housing and connected to an element of the third and fourth planetary gear sets that is not connected with any of the first to seventh shafts.
    Type: Application
    Filed: November 28, 2017
    Publication date: February 28, 2019
    Inventors: Hyun Sik Kwon, Seongwook Ji, Ki Tae Kim, Juhyeon Park, Ilhan Yoo, Seong Wook Hwang, Wonmin Cho
  • Publication number: 20190063560
    Abstract: A multi-stage transmission for a vehicle includes an input shaft; an output shaft; first, second, third, fourth and fifth planetary gear sets disposed between the input shaft and the output shaft to transmit rotary force, each of the first, second, third, fourth and fifth planetary gear sets having three rotary elements; and six shifting elements connected to the rotary elements of the first, second, third, fourth and fifth planetary gear sets.
    Type: Application
    Filed: December 6, 2017
    Publication date: February 28, 2019
    Inventors: Jae Chang Kook, Hyun Sik Kwon, Ki Tae Kim, Won Min Cho, Seong Wook Hwang, Seong Wook Jl
  • Patent number: 10215261
    Abstract: A planetary gear train of an automatic transmission for a vehicle may include an input shaft for receiving an engine torque, an output shaft for outputting a shifted torque of the engine, a first planetary gear set including first, second, and third rotation elements, a second planetary gear set including fourth, fifth, and sixth rotation elements, a third planetary gear set including seventh, eighth, and ninth rotation elements, a fourth planetary gear set including tenth, eleventh, and twelfth rotation elements, and six control elements for selectively interconnecting the rotation elements and a transmission housing.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: February 26, 2019
    Assignee: Hyundai Motor Company
    Inventors: Seong Wook Hwang, Jae Chang Kook, Dong Hwan Hwang, Chang Wook Lee, Seongwook Ji, Wonmin Cho, Hyun Sik Kwon, Jong Sool Park, Kyeong Hun Lee, Jong Soo Kim
  • Publication number: 20190056015
    Abstract: A vehicular multi-stage transmission is provided. In particular, the transmission includes an input shaft and an output shaft. A first planetary gear set, a second planetary gear set, a third planetary gear set, a fourth planetary gear set, and a fifth planetary gear set (PG5) are provided and each is disposed between the input shaft and the output shaft to transfer a rotational force and has three rotation elements. Additionally, at least six gear-shifting elements are connected to the rotation elements of the planetary gear sets.
    Type: Application
    Filed: November 28, 2017
    Publication date: February 21, 2019
    Inventors: Jae Chang Kook, Hyun Sik Kwon, Ki Tae Kim, Won Min Cho, Seong Wook Hwang, Seong Wook Ji
  • Publication number: 20190056014
    Abstract: A vehicle transmission realizes speed change via variation in rotation speed and direction by selective control operation using combinations of six friction elements and a plurality of rotating elements of four planetary gear devices, and enables vehicle driving by realizing at least ten stage gear ratios for forward movement and at least one stage gear ratio for backward movement based on different speeds, wherein the vehicle transmission may increase fuel efficiency and power performance resulting from the multiple stages of the transmission.
    Type: Application
    Filed: November 28, 2017
    Publication date: February 21, 2019
    Applicants: Hyundai Motor Company, Kia Motors Corp.
    Inventors: Seong Wook Ji, Seong Wook Hwang, Hyun Sik Kwon, Ki Tae Kim, Won Min Cho, Jae Chang Kook
  • Publication number: 20190048977
    Abstract: A multistage transmission for a vehicle includes: input and output shafts; four planetary gear devices each having three rotary elements to transfer rotary force; and six shift elements connected to the rotary elements of the planetary gear devices. A first rotary element of the first planetary gear device is selectively connected to a transmission case and to a second rotary element of a second planetary gear device, a second rotary element of the first planetary gear device is selectively connected to the transmission case and fixedly connected to a third rotary element of the second planetary gear device, and a third rotary element of the first planetary gear device is selectively connected to the second rotary element of the second planetary gear device and fixedly connected to a third rotary element of a third planetary gear device and a first rotary element of a fourth planetary gear device.
    Type: Application
    Filed: December 8, 2017
    Publication date: February 14, 2019
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Seong Wook HWANG, Hyun Sik KWON, Ki Tae KIM, Won Min CHO, Jae Chang KOOK, Seong Wook JI
  • Publication number: 20190024758
    Abstract: A planetary gear train of an automatic transmission is provided to improve power delivery and fuel efficiency by applying six engagement elements to four planetary gear sets to achieve multiple speeds. The planetary gear train includes: input and output shafts; first to fourth planetary gear sets respectively including first to third rotation elements, fourth to sixth rotation elements, seventh to ninth rotation elements, tenth to twelfth rotation elements; and first to eighth shafts. In particular, the first shaft is fixedly connected to the second, sixth and eleventh rotation elements and the input shaft, the fourth shaft is fixedly connected to the fourth, seventh and tenth rotation elements, and the seventh and eighth shafts selectively and respectively connect a transmission housing to corresponding rotation elements of the first and third planetary gear sets, and the corresponding rotation elements are not connected to any shaft among the first to sixth shafts.
    Type: Application
    Filed: September 14, 2017
    Publication date: January 24, 2019
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Seong Wook HWANG, Hyun Sik KWON, Wonmin CHO, Seongwook JI, Ki Tae KIM