Patents by Inventor Il Han Yoo
Il Han Yoo 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: 20240066967Abstract: The present disclosure provides a reducer for an electric vehicle, the reducer including an input shaft connected to a motor, a differential disposed coaxially with the input shaft and relatively rotatable, a planetary gear train configured to decelerate power of the input shaft and transmit the power to a differential casing of the differential, and a drive shaft configured to penetrate the input shaft and coupled to one side gear of the differential.Type: ApplicationFiled: November 6, 2023Publication date: February 29, 2024Inventors: Il Han Yoo, Se Hwan Cheon, Min Su Sun
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Patent number: 11845330Abstract: A reducer for an electric vehicle includes an input shaft connected to a motor, a differential disposed coaxially with the input shaft and relatively rotatable, a planetary gear train configured to decelerate power of the input shaft and transmit the power to a differential casing of the differential, and a drive shaft configured to penetrate the input shaft and coupled to one side gear of the differential.Type: GrantFiled: March 11, 2022Date of Patent: December 19, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Il Han Yoo, Se Hwan Cheon, Min Su Sun
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Publication number: 20230022817Abstract: The present disclosure provides a reducer for an electric vehicle, the reducer including an input shaft connected to a motor, a differential disposed coaxially with the input shaft and relatively rotatable, a planetary gear train configured to decelerate power of the input shaft and transmit the power to a differential casing of the differential, and a drive shaft configured to penetrate the input shaft and coupled to one side gear of the differential.Type: ApplicationFiled: March 11, 2022Publication date: January 26, 2023Inventors: Il Han Yoo, Se Hwan Cheon, Min Su Sun
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Patent number: 11480232Abstract: A dual clutch transmission may include a first input shaft, a second input shaft, a first output shaft and a second output shaft; a first gear constrained to the first input shaft; a second gear and a third gear constrained to the second input shaft; a fourth gear provided to constrain the rotation to the second input shaft; a fifth gear which is engaged with the third gear; a sixth gear which is gear-engaged with the fourth gear; a seventh gear which is engaged with the first gear; an eighth gear which is gear-engaged with the second gear; and a ninth gear which is gear-engaged with the fourth gear.Type: GrantFiled: September 30, 2020Date of Patent: October 25, 2022Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Soon Ki Eo, Dong Woo Kim, Min Ho Chae, Il Han Yoo, Chon Ok Kim, Marcus Meyer, Mirko Leesch, Erik Schreiterer, Rico Resch, Matthias Hoehne, Joerg Mueller
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Publication number: 20210310541Abstract: A dual clutch transmission may include a first input shaft, a second input shaft, a first output shaft and a second output shaft; a first gear constrained to the first input shaft; a second gear and a third gear constrained to the second input shaft; a fourth gear provided to constrain the rotation to the second input shaft; a fifth gear which is engaged with the third gear; a sixth gear which is gear-engaged with the fourth gear; a seventh gear which is engaged with the first gear; an eighth gear which is gear-engaged with the second gear; and a ninth gear which is gear-engaged with the fourth gear.Type: ApplicationFiled: September 30, 2020Publication date: October 7, 2021Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Soon Ki EO, Dong Woo KIM, Min Ho CHAE, IL Han YOO, Chon Ok KIM, Marcus MEYER, Mirko LEESCH, Erik SCHREITERER, Rico RESCH, Matthias HOEHNE, Joerg MUELLER
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Patent number: 10955029Abstract: A dual clutch transmission for a vehicle may include a first input shaft to which a first clutch is connected; a second input shaft connected to a second clutch and disposed coaxially with the first input shaft; a first output shaft, a second output shaft and a third output shaft disposed in parallel with the first input shaft and the second input shaft; and a combined gear group including two pairs of external gears configured to be connected in series to each other or disconnected from each other so that power of the first input shaft is decelerated in two steps using the first output shaft to enable the second input shaft to be driven in a direction in which the first input shaft is driven.Type: GrantFiled: February 22, 2019Date of Patent: March 23, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Soon Ki Eo, Woo Churl Son, Il Han Yoo, Min Ho Chae
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Publication number: 20200300347Abstract: A dual clutch transmission which can reduce the overall length of a transmission and improve mountability in the vehicle by simplifying the constituent elements of the transmission, is configured by reducing the number of synchronizers and external gears and shafts, and a drive motor is not disposed on the same axle as other constituent elements to reduce the overall length of the transmission, reducing cost and weight of the transmission to improve mountability of the transmission in the vehicle.Type: ApplicationFiled: June 9, 2020Publication date: September 24, 2020Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Ju Hyeon PARK, Seong Wook JI, Ki Tae KIM, Dong Woo KIM, Hyun Sik KWON, Il Han YOO, Seong Wook HWANG, Won Min CHO
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Patent number: 10718415Abstract: A dual clutch transmission which can reduce the overall length of a transmission and improve mountability in the vehicle by simplifying the constituent elements of the transmission, is configured by reducing the number of synchronizers and external gears and shafts, and a drive motor is not disposed on the same axle as other constituent elements to reduce the overall length of the transmission, reducing cost and weight of the transmission to improve mountability of the transmission in the vehicle.Type: GrantFiled: November 14, 2018Date of Patent: July 21, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Ju Hyeon Park, Seong Wook Ji, Ki Tae Kim, Dong Woo Kim, Hyun Sik Kwon, Il Han Yoo, Seong Wook Hwang, Won Min Cho
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Patent number: 10668915Abstract: A transmission for an electric vehicle, may include a concentric deceleration device for receiving power from a motor shaft and for decelerating; an output shaft disposed in parallel with the input shaft; a hollow shaft rotatably provided on the input shaft; a clutch device provided to switch the transmission state of power from the input shaft to the hollow shaft; a first synchronizer having a hub fixed to the input shaft; a second synchronizer having a hub fixed to the hollow shaft; a plurality of driving gears having different sizes and provided on the input shaft and the hollow shaft to be engaged with at least one of the first synchronizer and the second synchronizer; and a plurality of driven gears provided on the output shaft to be engaged with the plurality of driving gears to form different shift ratios, respectively.Type: GrantFiled: July 16, 2018Date of Patent: June 2, 2020Assignees: Hyundai Motor Company, Kia Motors Corp.Inventors: Ma Ru Kang, Sun Sung Kwon, Yong Uk Shin, Seong Wook Ji, Soon Ki Eo, Chon Ok Kim, Il Han Yoo, Min Ho Chae, Yong Sug Choi, Ki Tae Kim
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Publication number: 20200124140Abstract: A dual clutch transmission for a vehicle may include a first input shaft to which a first clutch is connected; a second input shaft connected to a second clutch and disposed coaxially with the first input shaft; a first output shaft, a second output shaft and a third output shaft disposed in parallel with the first input shaft and the second input shaft; and a combined gear group including two pairs of external gears configured to be connected in series to each other or disconnected from each other so that power of the first input shaft is decelerated in two steps using the first output shaft to enable the second input shaft to be driven in a direction in which the first input shaft is driven.Type: ApplicationFiled: February 22, 2019Publication date: April 23, 2020Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Soon Ki EO, Woo Churl Son, Il Han Yoo, Min Ho Chae
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Patent number: 10576816Abstract: A transmission for electric vehicles may include a first input shaft receiving a rotational force from a first motor; a second input shaft receiving a rotational force from a second motor; a one-way clutch mounted between the first and second input shafts, transferring only a forward rotation of the first input shaft to the second input shaft, and transferring only a reverse rotation of the second input shaft to the first input shaft; an output shaft disposed in parallel to the first and second shafts; a gear shifting device coupled to the first input shaft and the output shaft and coupled to the second input shaft and the output shaft, wherein the gear pairs have different shift ratios, and a gear pair corresponding to a driving speed is selected by a clutch device; and an idler gear coupled between gears coupled to the second input shaft and the output shaft.Type: GrantFiled: March 9, 2018Date of Patent: March 3, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Soon Ki Eo, Seong Wook Hwang, Chon Ok Kim, Il Han Yoo, Jong Yun Park, Seong Wook Ji
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Publication number: 20190315332Abstract: A transmission for an electric vehicle, may include a concentric deceleration device for receiving power from a motor shaft and for decelerating; an output shaft disposed in parallel with the input shaft; a hollow shaft rotatably provided on the input shaft; a clutch device provided to switch the transmission state of power from the input shaft to the hollow shaft; a first synchronizer having a hub fixed to the input shaft; a second synchronizer having a hub fixed to the hollow shaft; a plurality of driving gears having different sizes and provided on the input shaft and the hollow shaft to be engaged with at least one of the first synchronizer and the second synchronizer; and a plurality of driven gears provided on the output shaft to be engaged with the plurality of driving gears to form different shift ratios, respectively.Type: ApplicationFiled: July 16, 2018Publication date: October 17, 2019Applicants: Hyundai Motor Company, Kia Motors Corp.Inventors: Ma Ru Kang, Sun Sung Kwon, Yong Uk Shin, Seong Wook Ji, Soon Ki Eo, Chon Ok Kim, Il Han Yoo, Min Ho Chae, Yong Sug Choi, Ki Tae Kim
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Patent number: 10428908Abstract: A multi-stage transmission for vehicles includes 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 configured to transmit rotary force between the input shaft and the output shaft. Each of the planetary gear sets has three rotary elements. Six gear shift elements are connected to the rotary elements of the planetary gear sets.Type: GrantFiled: December 5, 2017Date of Patent: October 1, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Hyun Sik Kwon, Seong Wook Ji, Ju Hyeon Park, Il Han Yoo, Seong Wook Hwang, Ki Tae Kim
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Patent number: 10408306Abstract: 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: GrantFiled: November 27, 2017Date of Patent: September 10, 2019Assignees: HYUNDAI MOTOR COMPANY, KIA Motor CorporationInventors: Hyun Sik Kwon, Seong Wook Ji, Ki Tae Kim, Ju Hyeon Park, Il Han Yoo, Seong Wook Hwang, Won Min Cho
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Patent number: 10408307Abstract: A multi-stage transmission for vehicles includes an input shaft for receiving power from an engine; an output shaft for outputting the power; and a first, a second, a third, and a fourth planetary gear device. Each of the planetary gear devices has three rotary elements. The transmission further includes a first rotary shaft connected to the input shaft; a second rotary shaft; a third rotary shaft; a fourth rotary shaft; a fifth rotary shaft; a sixth rotary shaft; a seventh rotary shaft connected to a first rotary element of the third planetary gear device; and an eighth rotary shaft connected to a third rotary element of the fourth planetary gear device and to the output shaft.Type: GrantFiled: November 28, 2017Date of Patent: September 10, 2019Assignees: HYUNDAI MOTOR COMPANY, KIA Motors CorporationInventors: Hyun Sik Kwon, Seong Wook Ji, Ki Tae Kim, Ju Hyeon Park, Il Han Yoo, Seong Wook Hwang, Won Min Cho
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Patent number: 10352405Abstract: A vehicular multi-stage transmission includes: input and output shafts; first, second, third and fourth planetary gear devices each including first, second and third rotary elements; and seven shifting elements connected to the rotary elements of the four planetary gear devices. In particular, the second rotary element of the first planetary gear device PG1 is selectively connected to a transmission case by a first shifting element while being selectively connected to the input shaft, and the secondary rotary element of the first planetary gear device is selectively connected to the third rotary element of the second planetary gear device, the first rotary element of the third planetary gear device, and the first rotary element of the fourth planetary gear device. In addition, the third rotary element of the first planetary gear device is fixedly connected to the second rotary element of the second planetary gear device.Type: GrantFiled: November 14, 2017Date of Patent: July 16, 2019Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jae Chang Kook, Seong Wook Ji, Ju Hyun Park, Won Min Cho, Hyun Sik Kwon, Il Han Yoo, Seong Wook Hwang, Ki Tae Kim
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Patent number: 10316938Abstract: 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: GrantFiled: November 30, 2017Date of Patent: June 11, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Hyun Sik Kwon, Seong Wook Ji, Ki Tae Kim, Ju Hyeon Park, Il Han Yoo, Seong Wook Hwang, Won Min Cho
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Patent number: 10309493Abstract: A multi-stage transmission includes an input shaft, 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 planetary gear set includes three rotating elements. Six shifting elements are connected to the rotating elements of the first, the second, the third and the 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 and a second rotating element of the third planetary gear set and is selectively connected to the input shaft. A second rotating element thereof is fixedly connected to a third rotating element of the third planetary gear set and a third rotating element of the fourth planetary gear set. A third rotating element thereof is selectively connected to the input shaft.Type: GrantFiled: November 29, 2017Date of Patent: June 4, 2019Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Hyun Sik Kwon, Seong Wook Ji, Ju Hyeon Park, Il Han Yoo, Seong Wook Hwang, Ki Tae Kim
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Patent number: 10260601Abstract: Disclosed herein is a multi-stage transmission for a vehicle. The multi-stage transmission includes an input shaft IN and an output shaft OUT; a first planetary gear set PG1, a second planetary gear set PG2, a third planetary gear set PG3, and a fourth planetary gear set PG4 installed between the input shaft IN and the output shaft OUT so as to transfer a torque and each including three rotary elements; and six shifting elements connected to the rotary elements of the first to fourth planetary gear sets.Type: GrantFiled: November 30, 2017Date of Patent: April 16, 2019Assignees: HYUNDAI MOTOR COMPANY, KIA Motors CorporationInventors: Hyun Sik Kwon, Seong Wook Ji, Ki Tae Kim, Ju Hyeon Park, Il Han Yoo, Seong Wook Hwang, Won Min Cho
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Publication number: 20190093739Abstract: A multi-stage transmission for vehicles includes an input shaft for receiving power from an engine; an output shaft for outputting the power; and a first, a second, a third, and a fourth planetary gear device. Each of the planetary gear devices has three rotary elements. The transmission further includes a first rotary shaft connected to the input shaft; a second rotary shaft; a third rotary shaft; a fourth rotary shaft; a fifth rotary shaft; a sixth rotary shaft; a seventh rotary shaft connected to a first rotary element of the third planetary gear device; and an eighth rotary shaft connected to a third rotary element of the fourth planetary gear device and to the output shaft.Type: ApplicationFiled: November 28, 2017Publication date: March 28, 2019Applicants: HYUNDAI MOTOR COMPANY, KIA Motors CorporationInventors: Hyun Sik Kwon, Seong Wook JI, Ki Tae Kim, Ju Hyeon Park, Il Han YOO, Seong Wook HWANG, Won Min CHO