Patents by Inventor Kang-Soo Seo
Kang-Soo Seo 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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Patent number: 10400865Abstract: A multi-stage transmission for a vehicle is provided that has at least nine forward shifting stages and one reverse shifting stage with a relatively small number of parts and a configuration such that an engine may be operated at desired operation points, thereby increasing fuel efficiency of the vehicle, and the engine may be operated more quietly, thereby improving the quietness of the vehicle.Type: GrantFiled: March 23, 2018Date of Patent: September 3, 2019Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Seong Wook Hwang, Jae Chang Kook, Hyu Tae Shim, Seong Wook Ji, Won Min Cho, Kang Soo Seo, Myeong Hoon Noh
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Patent number: 10344831Abstract: A transmission may include input shaft connected to second rotary element of the third planetary gear set and first clutch; first shaft connecting first rotary element of the second planetary gear set, and second clutch; second shaft connecting first rotary element of the third planetary gear set and first brake; third shaft connecting first rotary element of the first planetary gear set and third clutch; fourth shaft connecting third rotary element of the fourth planetary gear set, the third clutch, and second brake; fifth shaft connecting second rotary element of the first planetary gear set, second rotary element of the second planetary gear set, and third rotary element of the third planetary gear set; and sixth shaft connecting third rotary element of the first planetary gear set, third rotary element of the second planetary gear set, first rotary element of the fourth planetary gear set, and fourth clutch.Type: GrantFiled: June 28, 2017Date of Patent: July 9, 2019Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Seong Wook Ji, Kang Soo Seo, Jae Chang Kook, Seong Wook Hwang, Hyu Tae Shim, Won Min Cho, Hyun Sik Kwon, Wook Jin Jang, Myeong Hoon Noh
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Publication number: 20180209515Abstract: A multi-stage transmission for a vehicle is provided that has at least nine forward shifting stages and one reverse shifting stage with a relatively small number of parts and a configuration such that an engine may be operated at desired operation points, thereby increasing fuel efficiency of the vehicle, and the engine may be operated more quietly, thereby improving the quietness of the vehicle.Type: ApplicationFiled: March 23, 2018Publication date: July 26, 2018Applicant: HYUNDAI MOTOR COMPANYInventors: Seong Wook HWANG, Jae Chang KOOK, Hyu Tae SHIM, Seong Wook JI, Won Min CHO, Kang Soo SEO, Myeong Hoon NOH
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Patent number: 9958034Abstract: A multi-stage transmission for a vehicle is provided that has at least nine forward shifting stages and one reverse shifting stage with a relatively small number of parts and a configuration such that an engine may be operated at desired operation points, thereby increasing fuel efficiency of the vehicle, and the engine may be operated more quietly, thereby improving the quietness of the vehicle.Type: GrantFiled: October 15, 2015Date of Patent: May 1, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: Seong Wook Hwang, Jae Chang Kook, Hyu Tae Shim, Seong Wook Ji, Won Min Cho, Kang Soo Seo, Myeong Hoon Noh
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Patent number: 9927007Abstract: A multi-stages automatic transmission for a vehicle may include first, second, third and fourth planetary gear sets each including first, second and third rotation elements, and friction members including first, second, third and fourth clutches and first and second brakes, in which an input shaft may be connected to the second rotation element of the first planetary gear set and the second rotation element of the fourth planetary gear set, and an output shaft may be connected to the second rotation element of the first planetary gear set.Type: GrantFiled: May 27, 2015Date of Patent: March 27, 2018Assignee: Hyundai Motor CompanyInventors: Seong-Wook Ji, Jae-Chang Kook, Won-Min Cho, Myeong-Hoon Noh, Kang-Soo Seo, Seong-Wook Hwang
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Patent number: 9869373Abstract: A transmission for a vehicle may include a first planetary gear set, a second planetary gear set, a third, planetary gear set, and a fourth planetary gear set each including three rotary elements, and a plurality of friction members, wherein the friction members are connected to at least one of the rotary elements of the planetary gear sets and control rotation of the rotary elements.Type: GrantFiled: October 23, 2015Date of Patent: January 16, 2018Assignee: Hyundai Motor CompanyInventors: Seong Wook Ji, Kang Soo Seo, Jae Chang Kook, Won Min Cho, Myeong Hoon Noh, Wook Jin Jang, Seong Wook Hwang
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Publication number: 20180010675Abstract: A damper of a torque converter for a vehicle may include a front cover, an impeller rotatably coupled to the front cover, a turbine disposed facing the impeller, a reactor disposed between the impeller and the turbine for changing flow of oil transferred from the turbine toward the impeller, a driving disk assembled to a driving hub connected to the front cover, a driven hub to which a driven disk is assembled, a turbine shell connected to a turbine hub transferring torque to a transmission, and a driven plate connected to the turbine shell.Type: ApplicationFiled: December 8, 2016Publication date: January 11, 2018Applicant: Hyundai Motor CompanyInventors: Jin Mo PARK, Kang Soo SEO, Young Seok SON, Ho Jin JI, Myoung Chul LEE, Pan Seok WE
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Patent number: 9863502Abstract: An automotive multistage transmission includes four planetary gear sets and six shifting members, and each of the planetary gear sets include three rotary members selectively connected to the six shifting members to transmit torque between input and output shafts, so that the automotive multistage transmission provides ten or more forward shifting stages and one or more rearward shifting stages with few parts and a simple configuration. With this arrangement, the transmission can improve fuel efficiency of a vehicle.Type: GrantFiled: July 7, 2015Date of Patent: January 9, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: Won Min Cho, Jae Chang Kook, Myeong Hoon Noh, Seong Wook Ji, Kang Soo Seo, Seong Wook Hwang
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Patent number: 9835229Abstract: A multi-stage transmission for a vehicle may include an input shaft, an output shaft, first, second, third, and fourth planetary gear devices disposed between the input shaft and the output shaft to transmit rotary force, each of the first, second, third, and fourth planetary gear devices having three rotary elements, and at least six shifting elements connected to the rotary elements of the planetary gear devices.Type: GrantFiled: October 7, 2015Date of Patent: December 5, 2017Assignee: Hyundai Motor CompanyInventors: Won Min Cho, Jae Chang Kook, Myeong Hoon Noh, Seong Wook Ji, Kang Soo Seo, Seong Wook Hwang
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Patent number: 9816589Abstract: An automotive multistage transmission may include an input shaft and an output shaft, a first planetary gear set, a second planetary gear set, a third planetary gear set, and a fourth planetary gear set each including three rotary members and transmitting torque between the input shaft and the output shaft, and at least six shifting members connected to the rotary members of the planetary gear sets.Type: GrantFiled: October 9, 2015Date of Patent: November 14, 2017Assignee: Hyundai Motor CompanyInventors: Won Min Cho, Jae Chang Kook, Myeong Hoon Noh, Seong Wook Ji, Kang Soo Seo, Seong Wook Hwang
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Publication number: 20170299019Abstract: A transmission for a vehicle may include a first planetary gear set, a second planetary gear set, a third, planetary gear set, and a fourth planetary gear set each including three rotary elements, and a plurality of friction members, in which the friction members are connected to at least one or more of the rotary elements of the planetary gear sets and control rotation of the rotary elements.Type: ApplicationFiled: June 28, 2017Publication date: October 19, 2017Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: SEONG WOOK JI, KANG SOO SEO, JAY CHANG KOOK, SEONG WOOK HWANG, HYU TAE SHIM, WON MIN CHO, HYUN SIK KWON, WOOK JIN JANG, MYEONG HOON NOH
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Patent number: 9791021Abstract: A transmission for a vehicle may include an input shaft, an output shaft, a first planetary gear set, a second planetary gear set, a third, planetary gear set, a fourth planetary gear set, provided to transfer a torque between the input shaft and the output shaft, and friction members, wherein each of the first, second, third, and fourth planetary gear sets includes three rotary elements and three of the friction members are each selectively connected to at least one of the at least three rotary elements of the first, second, third, and fourth planetary gear sets and control rotation of the rotary elements to achieve gear ratios of ten or more steps of forward shifting and one step of reverse shifting in a vehicle.Type: GrantFiled: October 19, 2015Date of Patent: October 17, 2017Assignee: Hyundai Motor CompanyInventors: Jae Chang Kook, Kang Soo Seo, Won Min Cho, Myeong Hoon Noh, Seong Wook Ji, Wook Jin Jang, Seong Wook Hwang
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Patent number: 9777801Abstract: A transmission for a vehicle may include a first planetary gear set, a second planetary gear set, a third, planetary gear set, and a fourth planetary gear set each including three rotary elements, and a plurality of friction members, in which the friction members are connected to at least one or more of the rotary elements of the planetary gear sets and control rotation of the rotary elements.Type: GrantFiled: October 19, 2015Date of Patent: October 3, 2017Assignee: Hyundai Motor CompanyInventors: Jae Chang Kook, Seong Wook Hwang, Hyun Sik Kwon, Seong Wook Ji, Won Min Cho, Kang Soo Seo, Myeong Hoon Noh
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Patent number: 9765854Abstract: A multi-stage transmission for a vehicle may include an input shaft; an output shaft; first to fourth planetary gear devices transmitting rotary force between the input and output shafts, each of them having three rotary elements; and at least six shifting elements connected to the rotary elements of the planetary gear devices; wherein first rotary element of the first planetary gear device is installed to be fixable by any one of the shifting elements and variably connected to second rotary element of the second planetary gear device, second rotary element is continuously connected to the input shaft and variably connected to third rotary element of the second planetary gear device, and third rotary element is variably connected to the second rotary element of the second planetary gear device and continuously connected to first rotary element of the third planetary gear device.Type: GrantFiled: November 14, 2015Date of Patent: September 19, 2017Assignee: Hyundai Motor CompanyInventors: Seong Wook Ji, Jae Chang Kook, Seong Wook Hwang, Hyu Tae Shim, Won Min Cho, Hyun Sik Kwon, Kang Soo Seo, Myeong Hoon Noh
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Patent number: 9765855Abstract: A transmission for vehicles may include a first planetary gear set, a second planetary gear set, a third planetary gear set, and a fourth planetary gear set each of the first, second and third planetary gear sets including three rotary elements; and a plurality of friction members, wherein the friction members are connected to at least one of the rotary elements of the planetary gear sets and control rotation of the rotary elements.Type: GrantFiled: November 17, 2015Date of Patent: September 19, 2017Assignee: Hyundai Motor CompanyInventors: Jae Chang Kook, Kang Soo Seo, Won Min Cho, Myeong Hoon Noh, Seong Wook Ji, Wook Jin Jang, Seong Wook Hwang
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Patent number: 9752658Abstract: A transmission for vehicles may include a first planetary gear set, a second planetary gear set, a third planetary gear set, and a fourth planetary gear set each including three rotary elements, and a plurality of friction members, in which the friction members are connected to at least one or more of the rotary elements of the planetary gear sets and control rotation of the rotary elements.Type: GrantFiled: November 11, 2015Date of Patent: September 5, 2017Assignee: Hyundai Motor CompanyInventors: Jae Chang Kook, Seong Wook Hwang, Hyu Tae Shim, Seong Wook Ji, Won Min Cho, Kang Soo Seo, Myeong Hoon Noh
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Patent number: 9752659Abstract: A multi-stage transmission for a vehicle may include an input shaft; an output shaft; first to fourth planetary gear devices transmitting rotary force between the input and output shafts, each of them having three rotary elements, and at least six shifting elements connected to the rotary elements of the planetary gear devices; wherein a first rotary element of the first planetary gear device is variably connected to a first rotary element and a third rotary element of the second planetary gear device, a second rotary element is continuously connected to the input shaft and variably connected to the first rotary element of the second planetary gear device, and a third rotary element is installed to be fixable by any one of the shifting elements and continuously connected to a third rotary element of the third planetary gear device.Type: GrantFiled: November 14, 2015Date of Patent: September 5, 2017Assignee: Hyundai Motor CompanyInventors: Seong Wook Ji, Jae Chang Kook, Seong Wook Hwang, Hyun Sik Kwon, Won Min Cho, Kang Soo Seo, Myeong Hoon Noh
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Patent number: 9752656Abstract: A transmission for a vehicle may include a first planetary gear set, a second planetary gear set, a third, planetary gear set, and a fourth planetary gear set each including three rotary elements, and a plurality of friction members, in which the friction members are connected to at least one or more of the rotary elements of the planetary gear sets and control rotation of the rotary elements.Type: GrantFiled: October 23, 2015Date of Patent: September 5, 2017Assignee: Hyundai Motor CompanyInventors: Seong Wook Ji, Kang Soo Seo, Jae Chang Kook, Won Min Cho, Myeong Hoon Noh, Wook Jin Jang, Seong Wook Hwang
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Patent number: 9689469Abstract: A transmission for a vehicle includes first, second, third and fourth planetary gear set, and a plurality of friction members. Each planetary gear set includes three rotating elements. The friction elements selectively and operably connect the rotating elements of the planetary gear sets to control rotation of the rotating elements. The transmission improves fuel efficiency by increasing the number of gears and enhances driving stability of the vehicle using an operating point in a low RPM range of the engine.Type: GrantFiled: October 19, 2015Date of Patent: June 27, 2017Assignee: Hyundai Motor CompanyInventors: Jae Chang Kook, Seong Wook Hwang, Hyun Sik Kwon, Seong Wook Ji, Won Min Cho, Kang Soo Seo, Myeong Hoon Noh
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Patent number: 9683634Abstract: A multi-stage transmission for a vehicle may include an input shaft, an output shaft, first, second, third and fourth planetary gear devices disposed between the input shaft and the output shaft to transmit rotary force, each of the first, second, third and fourth planetary gear devices having three rotary elements, and at least six shifting elements connected to the rotary elements of the planetary gear devices.Type: GrantFiled: August 27, 2015Date of Patent: June 20, 2017Assignee: Hyundai Motor CompanyInventors: Won Min Cho, Jae Chang Kook, Myeong Hoon Noh, Seong Wook Ji, Kang Soo Seo, Seong Wook Hwang