Patents by Inventor Wook Ji
Wook Ji 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: 20240121924Abstract: A water-cooled heat dissipation module assembly capable of cooling a power module of a vehicle driving inverter system using a battery or fuel cell. The water-cooled heat dissipation module assembly includes a housing unit provided in the form of a housing having an opening portion at least partially opened at one side thereof. The housing unit and at least a part of a rim region of the cooling unit are made of a plastic material, and the housing unit and the cooling unit are joined to each other by plastic welding using a laser.Type: ApplicationFiled: August 4, 2022Publication date: April 11, 2024Inventors: Kwan Ho RYU, Jeong Keun LEE, Min Woo LEE, Ju Hyun SUN, Tae Keun PARK, Kang Wook PARK, Lee Cheol JI, Hyeok Chul YANG, Tae Heon KIM, Keun Jae LEE
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Patent number: 10805186Abstract: Disclosed is mobile communication network failure monitoring system including: section-specific index value collecting unit for collecting a quantified index value about predetermined index which indicates communication situation of each corresponding communication section between nodes included in mobile communication network; index value pattern detecting unit for detecting index value pattern of mobile communication network by using index values collected according to each of communication sections; index value pattern learning unit for storing index value pattern of mobile communication network detected when failure of mobile communication network occurs, and corresponding failure cause, and then learning index value pattern of each failure cause of the mobile communication network; and failure information providing unit which compares index value pattern of mobile communication network detected during predetermined failure monitoring time and learned index value pattern, and then provides information onType: GrantFiled: February 28, 2019Date of Patent: October 13, 2020Assignee: KT CorporationInventors: Hyun-Wook Ji, Hyo-Jung Kim, Jung-Hoon Lee
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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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Patent number: 10612627Abstract: A vehicle transmission is provided that improves fuel efficiency through multiple speed stages and enhances silent drivability of a vehicle using an operating point in a low RPM range of an engine. The vehicle transmission combines three simple planetary gear units with a single compound planetary gear set or combines five simple planetary gear units to shift gears while changing rotational speeds and directions by a selective intermittence operation using rotation elements of the planetary gear units and a plurality of friction elements. Through such a shift operation, it is possible to form at least forward 10-speed or more and reverse 1-speed gear ratios for driving of the vehicle.Type: GrantFiled: December 6, 2017Date of Patent: April 7, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jae Chang Kook, Jin Ho Kim, Seong Wook Hwang, Seong Wook Ji, Woo Churl Son, Won Min Cho, Hyun Sik Kwon, Jong Sool Park, Woo Jin Chang, Dong Hwan Hwang, Ki Tae Kim
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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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Patent number: 10563734Abstract: A multi-stage transmission for a vehicle is provided. The multi-stage transmission 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 each have three rotary elements and transmit torque between the input shaft and the output shaft. At least six shifting elements are connected with the rotary elements of the planetary gear sets. Accordingly, fuel efficiency is improved by implementing multi-stages in an automatic transmission and vehicle driving comfort is improved by using operating points in a low RPM range of an engine.Type: GrantFiled: November 29, 2017Date of Patent: February 18, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Hyun Sik Kwon, Seong Wook Hwang, Ki Tae Kim, Won Min Cho, Jae Chang Kook, Seong Wook Ji
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Publication number: 20200039342Abstract: 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: November 14, 2018Publication date: February 6, 2020Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Ju Hyeon PARK, Seong Wook JI, Ki Tae KIM, Dong Woo KIM, Hyun Sik KWON, II Han YOO, Seong Wook HWANG, Won Min CHO
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Patent number: 10527133Abstract: A multi-stage transmission for a vehicle, 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 provided to transfer a torque between the input shaft and the output shaft and each including three rotation elements; and seven shifting elements connected to the rotation elements of the planetary gear sets.Type: GrantFiled: December 4, 2017Date of Patent: January 7, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Seong Wook Hwang, Hyun Sik Kwon, Ki Tae Kim, Won Min Cho, Jae Chang Kook, Seong Wook Ji
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Patent number: 10502286Abstract: 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: GrantFiled: November 27, 2017Date of Patent: December 10, 2019Assignees: HYUNDAI MOTOR COMPANY, KIA Motors CorporationInventors: Hyun Sik Kwon, Seong Wook Ji
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Patent number: 10480624Abstract: 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: GrantFiled: November 29, 2017Date of Patent: November 19, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Hyun Sik Kwon, Seong Wook Hwang, Ki Tae Kim, Won Min Cho, Jae Chang Kook, Seong Wook Ji
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Patent number: 10451150Abstract: A multi-stage transmission for a vehicle is provided. The multi-stage transmission includes an input shaft, an output shaft, and first, second, third, fourth and fifth planetary gear devices that are disposed between the input shaft and the output shaft to transmit rotary force. Each of the first, second, third, fourth and fifth planetary gear devices have three rotary elements, and six shifting elements that are connected to the rotary elements of the first, second, third, fourth and fifth planetary gear devices.Type: GrantFiled: November 29, 2017Date of Patent: October 22, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Ki Tae Kim, Seong Wook Hwang, Hyun Sik Kwon, Won Min Cho, Jae Chang Kook, 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: 10428912Abstract: A transmission for a vehicle capable is provided to improve fuel efficiency through multiple gear shift stages and enhance power performance of an engine. By combining first and second planetary gear sets, a compound planetary gear set, and multiple frictional elements selectively connecting rotary components of the three planetary gear sets via a corresponding shaft, the transmission provides eleven forward gear stages and three reverse gear stages. In particular, a first rotary element of the first planetary gear is fixedly connected to a transmission case, a second rotary element of the first planetary gear is fixedly connected to a second rotary element of the second planetary gear, and a third rotary element of the first planetary gear device is selectively connected to a first rotary element of the compound planetary gear set and a fourth rotary element of the compound planetary gear set.Type: GrantFiled: December 5, 2017Date of Patent: October 1, 2019Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Seong Wook Hwang, Hyun Sik Kwon, Ki Tae Kim, Won Min Cho, Jae Chang Kook, Seong Wook Ji
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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: 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: 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: 10400864Abstract: 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: GrantFiled: December 8, 2017Date of Patent: September 3, 2019Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Seong Wook Hwang, Hyun Sik Kwon, Ki Tae Kim, Won Min Cho, Jae Chang Kook, Seong Wook Ji
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Patent number: 10400868Abstract: 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: GrantFiled: December 6, 2017Date of Patent: September 3, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jae Chang Kook, Hyun Sik Kwon, Ki Tae Kim, Won Min Cho, Seong Wook Hwang, Seong Wook Ji