Patents by Inventor Woo Jin Chang
Woo Jin Chang 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).
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Publication number: 20180363735Abstract: A planetary gear train of an automatic transmission for a vehicle provides at least ten forward speed stages and one reverse speed stage by combination of: first to fourth planetary gear sets respectively having first to third rotation elements, fourth to sixth rotation elements, seventh to ninth rotation elements, or tenth to twelfth rotation elements; first to eighth shafts; at least four clutches and two brakes. In particular, the first shaft is fixedly connected to the first and fourth rotation elements and selectively connected to a transmission housing, the second shaft is fixedly connected to the second rotation element and an input shaft, the third shaft is fixedly connected to the fifth, eighth and twelfth rotation elements, the fourth shaft is fixedly connected to the ninth and tenth rotation elements and selectively connected to the input shaft.Type: ApplicationFiled: October 30, 2017Publication date: December 20, 2018Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jin Ho KIM, Woo Jin CHANG, Jinseok KIM, Jae Chang KOOK, Dong Hwan HWANG, Seong Wook HWANG, Jong Soo KIM, Tae Whan KIM, Seongwook JI, Jin Won SEOK, Yong Beom KIM, Hyun Sik KWON, Jong Sool PARK, Hyeonjin KIM, Kyeong Hun LEE
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Patent number: 10119596Abstract: 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, a second planetary gear set, a third planetary gear set, a fourth planetary gear set, a first shaft, a second shaft, a third shaft, a fourth shaft, a fifth shaft selectively connectable to at least one of the second shaft and the third shaft, and directly connected to the input shaft, a sixth shaft connected to the ninth rotation element, a seventh shaft connected to the tenth rotation element, and an eighth shaft connected to the eleventh rotation element, selectively connectable to the sixth shaft, and directly connected to the output shaft.Type: GrantFiled: September 14, 2016Date of Patent: November 6, 2018Assignee: Hyundai Motor CompanyInventors: Jae Chang Kook, Woo Jin Chang, Wonmin Cho, Hyun Sik Kwon, Seong Wook Hwang, Seongwook Ji
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Patent number: 10094447Abstract: Eight or more forward speeds and at least one reverse speed is achieved by a planetary gear train of an automatic transmission for a vehicle including an input shaft, an output shaft, three planetary gear sets respectively having three rotation elements, and six control elements for selectively interconnecting the rotation elements.Type: GrantFiled: May 4, 2016Date of Patent: October 9, 2018Assignee: Hyundai Motor CompanyInventors: Hyun Sik Kwon, Seong Wook Hwang, Woo Jin Chang, Wonmin Cho, Jae Chang Kook, Seongwook Ji
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Patent number: 10047832Abstract: A planetary gear train of an automatic transmission for a vehicle includes: an input shaft and an output shaft; a first planetary gear set including a first, second, and third rotation elements; a second planetary gear set including a fourth, fifth, and sixth rotation elements; a third planetary gear set including a seventh, eighth, and ninth rotation elements; a fourth planetary gear set including a tenth, eleventh and twelfth rotation elements; a first shaft interconnecting the first rotational element and the twelfth rotational element; a second shaft connected with the second rotational element and the input shaft; a third shaft interconnecting the third rotational element and the fourth rotational element; a fourth shaft interconnecting the sixth rotational element and the seventh rotational element; a fifth shaft interconnecting the ninth rotational element and the tenth rotational element; and a sixth shaft connected with the eleventh rotational element and the output shaft.Type: GrantFiled: December 12, 2016Date of Patent: August 14, 2018Assignee: Hyundai Motor CompanyInventors: Jin Ho Kim, Jinseok Kim, Jae Chang Kook, Dong Hwan Hwang, Seong Wook Hwang, Woo Jin Chang, Tae Whan Kim, Seongwook Ji, Chon Ok Kim, Wonmin Cho, Hyun Sik Kwon, Jong Sool Park, Kyeong Hun Lee, Jong Soo Kim
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Patent number: 10047833Abstract: A planetary gear train disclosed herein includes an input shaft for receiving engine torque; an output shaft for outputting shifted torque; a first planetary gear set having first, second, and third rotational elements; a second planetary gear set having fourth, fifth, and sixth rotational elements; a third planetary gear set having seventh, eighth, and ninth rotational elements; a fourth planetary gear set having tenth, eleventh, and twelfth rotational elements; a first shaft interconnecting the first, fifth, ninth, and tenth rotational elements; a second shaft connected with the second rotational element and the input shaft; a third shaft connected with the third rotational element; a fourth shaft interconnecting the sixth and eighth rotational elements, and selectively connected with the second shaft; a fifth shaft connected with the seventh rotational element and selectively connected with the second shaft; and a sixth shaft connected with the eleventh rotational element and the output shaft.Type: GrantFiled: December 12, 2016Date of Patent: August 14, 2018Assignee: Hyundai Motor CompanyInventors: Jin Ho Kim, Jinseok Kim, Jae Chang Kook, Dong Hwan Hwang, Seong Wook Hwang, Woo Jin Chang, Tae Whan Kim, Seongwook Ji, Chon Ok Kim, Wonmin Cho, Hyun Sik Kwon, Jong Sool Park, Kyeong Hun Lee, Jong Soo Kim
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Patent number: 10047834Abstract: Nine or more forward speeds and at least one reverse speed is achieved by a planetary gear train of an automatic transmission for a vehicle including an input shaft, an output shaft, four planetary gear sets respectively having three rotation elements, and six control elements for selectively interconnecting the rotation elements.Type: GrantFiled: June 23, 2016Date of Patent: August 14, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: Jae Chang Kook, Seongwook Ji, Woochurl Son, Hyun Sik Kwon, Woo Jin Chang, Seong Wook Hwang, Wonmin Cho
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Patent number: 10023042Abstract: A power transmission apparatus for a vehicle may include a first input shaft directly connected to an engine, a second input shaft selectively receiving torque of the engine through a first clutch, a third input shaft selectively receiving the torque of the engine through a second clutch, an intermediate shaft disposed in parallel with the first, second, and third input shafts, a transfer gear fixedly disposed on the intermediate shaft, an first shifting member outputting first and second preliminarily shifted torques, an second shifting member outputting third and fourth preliminarily shifted torques, a third shifting member outputting eight forward speed stage stages and one reverse speed stage, and an auxiliary power source disposed on a supply of the torque transmitted from the first shifting member and the second shifting member to the third shifting member and supplying torque to the third shifting member.Type: GrantFiled: September 29, 2016Date of Patent: July 17, 2018Assignee: Hyundai Motor CompanyInventors: Wonmin Cho, Seong Wook Hwang, Yong Uk Shin, Seongwook Ji, Woochurl Son, Hyun Sik Kwon, Ki Been Lim, Woo Jin Chang, Jae Chang Kook, Ki Tae Kim
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Patent number: 10012293Abstract: A planetary gear train of an automatic transmission for a vehicle is disclosed. The planetary gear train provides ten forward speed stages and one reverse speed stage by combining four planetary gear sets with seven control elements. The planetary gear train includes an input shaft, an output shaft, four planetary gear sets, eight shafts interconnecting rotation elements of the four planetary gear sets, four clutches, and three brakes for controlling operation of the planetary gear train. The planetary gear train is configured to have a gear ratio span greater than 10.0 while securing linearity of step ratios of shift stages.Type: GrantFiled: December 9, 2016Date of Patent: July 3, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: Jin Ho Kim, Jinseok Kim, Jae Chang Kook, Dong Hwan Hwang, Seong Wook Hwang, Woo Jin Chang, Tae Whan Kim, Seongwook Ji, Chon Ok Kim, Wonmin Cho, Hyun Sik Kwon, Jong Sool Park, Kyeong Hun Lee, Jong Soo Kim
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Publication number: 20180180140Abstract: 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 an output torque, a first planetary gear set including first, second, and third rotational elements, a second planetary gear set including fourth, fifth, and sixth rotational elements, a third planetary gear set including seventh, eighth, and ninth rotational elements, and a fourth planetary gear set including tenth, eleventh, and twelfth rotational elements.Type: ApplicationFiled: July 20, 2017Publication date: June 28, 2018Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jin Ho Kim, Jinseok Kim, Jae Chang Kook, Dong Hwan Hwang, Seong Wook Hwang, Woo Jin Chang, Tae Whan Kim, Seongwook Ji, Chon Ok Kim, Wonmin Cho, Hyun Sik Kwon, Jong Sool Park, Kyeong Hun Lee, Jong Soo Kim
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Patent number: 9995368Abstract: A planetary gear train of an automatic transmission for a vehicle may include an input shaft from an engine, an output shaft, and first, second, third, and fourth planetary gear sets each including three rotation elements. The gear train also includes eight shafts for selectively connecting the planetary gear sets and the input and output shafts in various configurations to achieve at least ten forward speeds and at least four reverse speeds.Type: GrantFiled: December 12, 2016Date of Patent: June 12, 2018Assignee: Hyundai Motor CompanyInventors: Jae Chang Kook, Seongwook Ji, Woo Jin Chang, Wonmin Cho, Hyun Sik Kwon, Seong Wook Hwang, Ki Tae Kim
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Patent number: 9982764Abstract: A power transmission apparatus for a vehicle may include a first input shaft, a second input shaft, a third input shaft, an intermediate shaft disposed parallel to the first, second, and third input shafts, a transfer gear fixedly disposed on the intermediate shaft and outputting torque thereof, an first shifting member changing torque of an engine into first and second preliminarily shifted torques, and outputting the first and second preliminarily shifted torques, an second shifting member changing the torque of the engine into third and fourth preliminarily shifted torques, and outputting the third and fourth preliminarily shifted torques, and a third shifting member changing the torque of the engine transmitted from the first input shaft and the first preliminarily shifted torque to the fourth preliminarily shifted torque selectively transmitted from the first shifting member or the second shifting member into eight forward speed stages and one reverse speed stage.Type: GrantFiled: July 28, 2016Date of Patent: May 29, 2018Assignee: Hyundai Motor CompanyInventors: Seong Wook Hwang, Yong Uk Shin, Seongwook Ji, Woochurl Son, Wonmin Cho, Hyun Sik Kwon, Ki Been Lim, Woo Jin Chang, Jae Chang Kook, Ki Tae Kim
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Patent number: 9976633Abstract: A planetary gear train of an automatic transmission includes an input shaft for receiving an engine torque, an output shaft outputting changed torque, a first planetary gear set including a first, second, and third rotation elements, a second planetary gear set including a fourth, fifth, and sixth rotation elements, a third planetary gear set including a seventh, eighth, and ninth rotation elements, a fourth planetary gear set including a tenth, eleventh and twelfth rotation elements, a first shaft connected with the first rotational element, a second shaft interconnecting the second rotational element and the fourth rotational element and connected with the input shaft, a third shaft interconnecting the third rotational element and the tenth rotational element, a fourth shaft interconnecting the fifth rotational element and the eighth element, a fifth shaft connected with the sixth rotational element, and a sixth shaft connected with the seventh rotational element.Type: GrantFiled: December 8, 2016Date of Patent: May 22, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: Jin Ho Kim, Jinseok Kim, Jae Chang Kook, Dong Hwan Hwang, Seong Wook Hwang, Woo Jin Chang, Tae Whan Kim, Seongwook Ji, Chon Ok Kim, Wonmin Cho, Hyun Sik Kwon, Jong Sool Park, Kyeong Hun Lee, Jong Soo Kim
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Publication number: 20180112745Abstract: Ten forward speeds and one reverse speed are achieved by a power transmission apparatus for a vehicle including a double clutch, a plurality of input, output, and idle shafts, a plurality of gears fixed to or rotatable on the shafts, a plurality of synchronizers selectively synchronizing gears to the shafts.Type: ApplicationFiled: December 15, 2016Publication date: April 26, 2018Applicant: HYUNDAI MOTOR COMPANYInventors: Sueng Ho LEE, Ki Tae KIM, Woo Jin CHANG, Jihun LEE, Ma Ru KANG, Ki Dong KIM, Seongwook JI, Chon Ok KIM
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Publication number: 20180094701Abstract: A planetary gear train of an automatic transmission for a vehicle includes: an input shaft and an output shaft; a first planetary gear set including a first, second, and third rotation elements; a second planetary gear set including a fourth, fifth, and sixth rotation elements; a third planetary gear set including a seventh, eighth, and ninth rotation elements; a fourth planetary gear set including a tenth, eleventh and twelfth rotation elements; a first shaft interconnecting the first rotational element and the twelfth rotational element; a second shaft connected with the second rotational element and the input shaft; a third shaft interconnecting the third rotational element and the fourth rotational element; a fourth shaft interconnecting the sixth rotational element and the seventh rotational element; a fifth shaft interconnecting the ninth rotational element and the tenth rotational element; and a sixth shaft connected with the eleventh rotational element and the output shaft.Type: ApplicationFiled: December 12, 2016Publication date: April 5, 2018Inventors: Jin Ho Kim, Jinseok Kim, Jae Chang Kook, Dong Hwan Hwang, Seong Wook Hwang, Woo Jin Chang, Tae Whan Kim, Seongwook Ji, Chon Ok Kim, Wonmin Cho, Hyun Sik Kwon, Jong Sool Park, Kyeong Hun Lee, Jong Soo Kim
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Publication number: 20180094700Abstract: A planetary gear train of an automatic transmission for a vehicle is disclosed. The planetary gear train provides ten forward speed stages and one reverse speed stage by combining four planetary gear sets with seven control elements. The planetary gear train includes an input shaft an output shaft, four plantary gear sets, eight shafts interconnecting rotation elements of the four planetary gear sets, four clutches, and three brakes for controlling operation of the planetary gear train. The planetary gear train is configured to have a gear ratio span greater than 10.0 while securing linearty of step ratios of shift stages.Type: ApplicationFiled: December 9, 2016Publication date: April 5, 2018Applicant: HYUNDAI MOTOR COMPANYInventors: Jin Ho KIM, Jinseok KIM, Jae Chang KOOK, Dong Hwan HWANG, Seong Wook HWANG, Woo Jin CHANG, Tae Whan KIM, Seongwook JI, Chon Ok KIM, Wonmin CHO, Hyun Sik KWON, Jong Sool PARK, Kyeong Hun LEE, Jong Soo KIM
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Publication number: 20180094702Abstract: A planetary gear train of an automatic transmission for a vehicle includes: an input shaft for receiving an engine torque; an output shaft for outputting a changed torque; and first, second, third, and fourth planetary gear sets each including three rotational elements. The gear train also includes eight shafts for selectively connecting the planetary gear sets, the input and output shafts, and a transmission housing in various configurations to achieve at least ten forward speeds and at least one reverse speed.Type: ApplicationFiled: December 12, 2016Publication date: April 5, 2018Applicant: HYUNDAI MOTOR COMPANYInventors: Jin Ho Kim, Jinseok Kim, Jae Chang Kook, Dong Hwan Hwang, Seong Wook Hwang, Woo Jin Chang, Tae Whan Kim, Seongwook Ji, Chon Ok Kim, Wonmin Cho, Hyun Sik Kwon, Jong Sool Park, Kyeong Hun Lee, Jong Soo Kim
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Publication number: 20180094699Abstract: A planetary gear train of an automatic transmission includes an input shaft for receiving an engine torque, an output shaft outputting changed torque, a first planetary gear set including a first, second, and third rotation elements, a second planetary gear set including a fourth, fifth, and sixth rotation elements, a third planetary gear set including a seventh, eighth, and ninth rotation elements, a fourth planetary gear set including a tenth, eleventh and twelfth rotation elements, a first shaft connected with the first rotational element, a second shaft interconnecting the second rotational element and the fourth rotational element and connected with the input shaft, a third shaft interconnecting the third rotational element and the tenth rotational element, a fourth shaft interconnecting the fifth rotational element and the eighth element, a fifth shaft connected with the sixth rotational element, and a sixth shaft connected with the seventh rotational element.Type: ApplicationFiled: December 8, 2016Publication date: April 5, 2018Inventors: Jin Ho Kim, Jinseok Kim, Jae Chang Kook, Dong Hwan Hwang, Seong Wook Hwang, Woo Jin Chang, Tae Whan Kim, Seongwook Ji, Chon Ok Kim, Wonmin Cho, Hyun Sik Kwon, Jong Sool Park, Kyeong Hun Lee, Jong Soo Kim
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Publication number: 20180087617Abstract: A planetary gear train disclosed herein includes an input shaft for receiving engine torque; an output shaft for outputting shifted torque; a first planetary gear set having first, second, and third rotational elements; a second planetary gear set having fourth, fifth, and sixth rotational elements; a third planetary gear set having seventh, eighth, and ninth rotational elements; a fourth planetary gear set having tenth, eleventh, and twelfth rotational elements; a first shaft interconnecting the first, fifth, ninth, and tenth rotational elements; a second shaft connected with the second rotational element and the input shaft; a third shaft connected with the third rotational element; a fourth shaft interconnecting the sixth and eighth rotational elements, and selectively connected with the second shaft; a fifth shaft connected with the seventh rotational element and, selectively connected with the second shaft; and a sixth shaft connected with the eleventh rotational element and the output shaft.Type: ApplicationFiled: December 12, 2016Publication date: March 29, 2018Applicant: HYUNDAI MOTOR COMPANYInventors: Jin Ho Kim, Jinseok Kim, Jae Chang Kook, Dong Hwan Hwang, Seong Wook Hwang, Woo Jin Chang, Tae Whan Kim, Seongwook Ji, Chon Ok Kim, Wonmin Cho, Hyun Sik Kwon, Jong Sool Park, Kyeong Hun Lee, Jong Soo Kim
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Patent number: 9897168Abstract: Eight or more forward speeds and at least one reverse speed is achieved by a planetary gear train of an automatic transmission for a vehicle including an input shaft, an output shaft, four planetary gear sets respectively having three rotation elements, and six control elements for selectively interconnecting the rotation elements.Type: GrantFiled: June 23, 2016Date of Patent: February 20, 2018Assignee: Hyundai Motor CompanyInventors: Jae Chang Kook, Woo Jin Chang, Wonmin Cho, Hyun Sik Kwon, Seong Wook Hwang, Seongwook Ji
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Patent number: 9897172Abstract: 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 of the engine, a first planetary gear set, a second planetary gear set, a third planetary gear set, a fourth planetary gear set, a first shaft selectively connectable to the input shaft, a second shaft, a third shaft selectively connectable to the input shaft, a fourth shaft, a fifth shaft, a sixth shaft directly connected to the output shaft, and a seventh shaft selectively connectable to the input shaft.Type: GrantFiled: September 14, 2016Date of Patent: February 20, 2018Assignee: Hyundai Motor CompanyInventors: Jae Chang Kook, Seong Wook Hwang, Woochurl Son, Wonmin Cho, Hyun Sik Kwon, Woo Jin Chang, Wookjin Jang, Seongwook Ji