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).
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Publication number: 20180141429Abstract: 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: ApplicationFiled: January 19, 2018Publication date: May 24, 2018Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Wonmin CHO, Seong Wook HWANG, Woochurl SON, Hyun Sik KWON, Jae Chang KOOK, Seongwook JI
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Publication number: 20180112742Abstract: Nine 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, Seongwook JI, Woochurl SON, Jihun LEE, Ma Ru KANG, Ki Dong KIM, Dongwon KIM, Chon Ok KIM
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Patent number: 9908397Abstract: 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: GrantFiled: June 22, 2016Date of Patent: March 6, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: Wonmin Cho, Seong Wook Hwang, Woochurl Son, Hyun Sik Kwon, Jae Chang Kook, 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
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Publication number: 20180023701Abstract: Disclosed is a hydraulic pressure supply system of a dual clutch transmission for a vehicle in which by independently configuring a low pressure supply route and a high pressure supply route, the hydraulic pressure supply system can enable a low hydraulic pressure that is generated in a hydraulic pump for a low pressure to be supplied to a gear lubrication device and a clutch cooling/lubrication device and enable a low hydraulic pressure that is generated in a hydraulic pump for a high pressure to be supplied to a gear control device and a clutch control device.Type: ApplicationFiled: December 13, 2016Publication date: January 25, 2018Applicant: Hyundai Motor CompanyInventors: Yong Uk SHIN, Hyun Chul KIM, Woochurl SON, Chang Yeon CHO, Woo Jin CHANG, Wonmin CHO, Hyu Tae SHIM
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Patent number: 9856950Abstract: Nine or more forward speeds and at least one reverse speed are 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 rotational elements, and six control elements for selectively interconnecting the rotational elements.Type: GrantFiled: June 22, 2016Date of Patent: January 2, 2018Assignee: Hyundai Motor CompanyInventors: Jae Chang Kook, Woochurl Son, Wonmin Cho, Hyun Sik Kwon, Seong Wook Hwang, Seongwook Ji
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Patent number: 9845847Abstract: 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, a second shaft, a third shaft selectively connectable to the input shaft, and selectively connectable to a transmission housing, a fourth shaft selectively connectable to the input shaft, a fifth shaft directly connected to the output shaft, a sixth shaft, and a seventh shaft selectively connectable to the input shaft.Type: GrantFiled: October 26, 2016Date of Patent: December 19, 2017Assignee: 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: 9841084Abstract: Eleven or more forward speeds and at least one reverse speed are 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 and a transmission housing.Type: GrantFiled: June 15, 2016Date of Patent: December 12, 2017Assignee: Hyundai Motor CompanyInventors: Seongwook Ji, Seong Wook Hwang, Woochurl Son, Hyun Sik Kwon, Woo Jin Chang, Jae Chang Kook, Wonmin Cho
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Patent number: 9835237Abstract: A power transmission apparatus for a vehicle includes a first input shaft directly connected to an engine, a second input shaft enclosing the first input shaft and rotating independently from the first input shaft and selectively receiving torque of the engine through a first clutch, a third input shaft enclosing the second input shaft and rotating independently from with the second input shaft and 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 and outputting torque of the intermediate shaft, a first shifting member, a second shifting member, and a third shifting member for changing the torque of the engine.Type: GrantFiled: August 2, 2016Date of Patent: December 5, 2017Assignee: 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: 9784342Abstract: 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, a second shaft, a third shaft, a fourth shaft directly connected to the input shaft, a fifth shaft selectively connectable to the second shaft, a sixth shaft selectively connectable to the fifth shaft, a seventh shaft selectively connectable to the fourth shaft and the fifth shaft, and an eighth shaft directly connected to the output shaft.Type: GrantFiled: September 15, 2016Date of Patent: October 10, 2017Assignee: Hyundai Motor CompanyInventors: Jae Chang Kook, Seong Wook Hwang, Woochurl Son, Wonmin Cho, Hyun Sik Kwon, Wookjin Jang, Seongwook Ji
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Publication number: 20170268613Abstract: A planetary gear train of a transmission for vehicles is provided. The planetary gear train includes an input shaft that receives power of an engine, an output shaft that outputs power, and four planetary gear sets each including three rotary elements. Additionally, multiple shafts are selectively and directly connected to the rotary elements to thus achieve a shift-stage of at least ten forward speeds or more.Type: ApplicationFiled: September 7, 2016Publication date: September 21, 2017Inventors: Seongwook JI, Seong Wook Hwang, Woochurl Son, Hyun Sik Kwon, Woo Jin Chang, Jae Chang Kook, Wonmin Cho
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Publication number: 20170268625Abstract: 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, a second shaft, a third shaft, a fourth shaft directly connected to the input shaft, a fifth shaft selectively connectable to the second shaft, a sixth shaft selectively connectable to the fifth shaft, a seventh shaft selectively connectable to the fourth shaft and the fifth shaft, and an eighth shaft directly connected to the output shaft.Type: ApplicationFiled: September 15, 2016Publication date: September 21, 2017Applicant: Hyundai Motor CompanyInventors: Jae Chang Kook, Seong Wook Hwang, Woochurl Son, Wonmin Cho, Hyun Sik Kwon, Wookjin Jang, Seongwook Ji
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Publication number: 20170268617Abstract: 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: ApplicationFiled: September 14, 2016Publication date: September 21, 2017Applicant: Hyundai Motor CompanyInventors: Jae Chang KOOK, Seong Wook HWANG, Woochurl SON, Wonmin CHO, Hyun Sik KWON, Woo Jin CHANG, Wookjin JANG, Seongwook JI
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Publication number: 20170268635Abstract: 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, a second shaft, a third shaft selectively connectable to the input shaft, and selectively connectable to a transmission housing, a fourth shaft selectively connectable to the input shaft, a fifth shaft directly connected to the output shaft, a sixth shaft, and a seventh shaft selectively connectable to the input shaft.Type: ApplicationFiled: October 26, 2016Publication date: September 21, 2017Applicant: 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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Publication number: 20170268628Abstract: A planetary gear train of a transmission for a vehicle is provided. Nine or more forward speeds and one or more reverse speeds are achieved by a planetary gear train of an automatic transmission for a vehicle including an input shaft and an output shaft. A first planetary gear set has first, second, and third rotation elements. A second planetary gear set has fourth, fifth, and sixth rotation elements. A third planetary gear set has seventh, eighth, and ninth rotation elements. A fourth planetary gear set has tenth, eleventh, and twelfth rotation elements and eight shaft element . . .Type: ApplicationFiled: October 25, 2016Publication date: September 21, 2017Inventors: Jae Chang Kook, Seong Wook Hwang, Woochurl Son, Wonmin Cho, Hyun Sik Kwon, Wookjin Jang, Seongwook Ji
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Publication number: 20170248203Abstract: The present disclosure provides a planetary gear train of an automatic transmission for a vehicle. The planetary gear train may include: an input shaft receiving torque of an engine; an output shaft outputting changed 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; a fourth planetary gear set including tenth, eleventh, and twelfth rotation elements. The planetary gear train improves power delivery performance and fuel economy by achieving at least eleven forward speed stages and widening speed ratio (or gear ratio) with a reduced number of constituent elements being used, and secures linearity of step ratios.Type: ApplicationFiled: September 15, 2016Publication date: August 31, 2017Applicant: Hyundai Motor CompanyInventors: Seong Wook Hwang, Jong Soo Kim, Seongwook Ji, Woochurl Son, Hyun Sik Kwon, Jong Sool Park, Ki Been Lim, Hyu Tae Shim, Jae Chang Kook, Wonmin Cho
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Patent number: 9726260Abstract: 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, 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 directly connected to the input shaft, a fifth shaft, a sixth shaft selectively connectable to the second shaft, a seventh shaft selectively connectable to the second shaft and the fifth shaft respectively, and an eighth shaft selectively connectable to the fifth shaft and directly connected to the output shaft.Type: GrantFiled: July 28, 2016Date of Patent: August 8, 2017Assignee: Hyundai Motor CompanyInventors: Jae Chang Kook, Seong Wook Hwang, Woochurl Son, Wonmin Cho, Hyun Sik Kwon, Wookjin Jang, Seongwook Ji
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Publication number: 20170166042Abstract: 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: ApplicationFiled: September 29, 2016Publication date: June 15, 2017Applicant: 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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Publication number: 20170159760Abstract: Eleven or more forward speeds and at least one reverse speed are 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 and a transmission housing.Type: ApplicationFiled: June 15, 2016Publication date: June 8, 2017Applicant: Hyundai Motor CompanyInventors: Seongwook JI, Seong Wook HWANG, Woochurl SON, Hyun Sik KWON, Woo Jin CHANG, Jae Chang KOOK, Wonmin CHO
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Publication number: 20170159775Abstract: 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: ApplicationFiled: June 23, 2016Publication date: June 8, 2017Applicant: HYUNDAI MOTOR COMPANYInventors: JAE CHANG KOOK, SEONGWOOK JI, WOOCHURL SON, HYUN SIK KWON, WOO JIN CHANG, SEONG WOOK HWANG, WONMIN CHO