Patents by Inventor Baekyu Kim
Baekyu Kim 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: 11879540Abstract: A lubrication structure of a planetary gear set includes a hollow shaft on which the planetary gear set is disposed and forming an oil passage in an axial direction thereof and a plurality of oil holes in a radial direction thereof to supply a lubrication oil to the planetary gear set, and an internal pipe provided within the oil passage of the hollow shaft, wherein a gap chamber is formed between the internal pipe and the hollow shaft with a preset gap, where a plurality of oil supply holes are formed through the internal pipe in the radial direction to fluidically communicate the gap chamber and an internal space of the internal pipe.Type: GrantFiled: April 20, 2022Date of Patent: January 23, 2024Assignees: Hyundai Motor Company, Kia CorporationInventors: Chulmin Ahn, Baekyu Kim, SungGon Byun, Yohan Kim, Su Hyeon Maeng, Dong Hui Cheon, Jieun Kim, Sun Sung Kwon, Junyoung Ha
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Publication number: 20230175580Abstract: An exemplary lubrication structure of a torque vectoring apparatus includes an axle housing including left-side and right-side housings disposed on left and right sides of a differential device, a left-side cover provided on an external side of the left-side housing, and a right-side cover provided on an external side of the right-side housing, where, a first space is formed between the left-side and right-side housings and provided with the differential therein, a second space is formed between the left-side housing and the left-side cover and provided with a first planetary gear set, a third space is formed between the right-side housing and the right-side cover and provided with second and third planetary gear sets, and the first, second, and third spaces are fluidically partitioned by a plurality of oil seals, and respectively filled with a lubrication oil therein.Type: ApplicationFiled: April 28, 2022Publication date: June 8, 2023Inventors: Chulmin AHN, Baekyu KIM, SungGon BYUN, Junyoung HA, Dong Hui CHEON, Jieun KIM, Yohan KIM, Sun Sung KWON, Su Hyeon MAENG
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Publication number: 20230167895Abstract: A lubrication structure of a planetary gear set includes a hollow shaft on which the planetary gear set is disposed and forming an oil passage in an axial direction thereof and a plurality of oil holes in a radial direction thereof to supply a lubrication oil to the planetary gear set, and an internal pipe provided within the oil passage of the hollow shaft, wherein a gap chamber is formed between the internal pipe and the hollow shaft with a preset gap, where a plurality of oil supply holes are formed through the internal pipe in the radial direction to fluidically communicate the gap chamber and an internal space of the internal pipe.Type: ApplicationFiled: April 20, 2022Publication date: June 1, 2023Inventors: Chulmin Ahn, Baekyu KIM, SungGon BYUN, Yohan KIM, Su Hyeon MAENG, Dong Hui CHEON, Jieun KIM, Sun Sung KWON, Junyoung HA
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Patent number: 11512772Abstract: A planetary gear apparatus for a power transmission apparatus including a transmission housing includes a sun gear provided on a first shaft, first and second planet carriers rotatably supporting pinion gears gear-engaged with the sun gear, and a ring gear gear-engaged with the pinion gears, where an internal circumference of the sun gear is spline-engaged with an external circumference of the first shaft, where first and second support shafts are fixed to first and second side surfaces of the ring gear, respectively, where the first support shaft is rotatably supported by a supporting frame fixed to the transmission housing, interposing a first bearing, where the second support shaft is rotatably supported by the transmission housing, interposing a second bearing, where the first planet carrier is rotatably supported by the first support shaft interposing a third bearing, and where the second planet carrier is fixedly connected to a connection end portion of a second shaft.Type: GrantFiled: May 19, 2022Date of Patent: November 29, 2022Assignees: Hyundai Motor Company, Kia CorporationInventors: Chulmin Ahn, Baekyu Kim, SungGon Byun, Junyoung Ha, Donghui Cheon, Jieun Kim, Yohan Kim, Sun Sung Kwon, Suhyeon Maeng
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Patent number: 11098795Abstract: A torque vectoring apparatus receiving a vehicle driving torque from a motor-generator may include a speed reduction device configured of reducing a rotation speed of a torque received from the motor-generator, a differential device differentially outputting the speed-reduced torque to two output shafts, a torque vectoring control motor outputting a control torque, a torque vectoring apparatus engaged to the torque vectoring control motor and including two planetary gear sets to control a torque ratio output to the two output shafts by the control torque, and a torque multiplication device including a first planetary gear set having first to third rotation elements and being mounted on one of the two output shafts, the second rotation element being connected to the torque vectoring control motor, the third rotation element being fixedly connected to a transmission housing.Type: GrantFiled: March 31, 2020Date of Patent: August 24, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Chulmin Ahn, SungGon Byun, Seok Joon Kim, Su Hyeon Maeng, Dong Hui Cheon, Baekyu Kim, Junyoung Ha
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Publication number: 20210207698Abstract: A torque vectoring apparatus receiving a vehicle driving torque from a motor-generator may include a speed reduction device engaged to the motor-generator and configured to reduce a rotation speed received from the motor-generator, a differential device engaged to the speed reduction device and configured to receive the speed-reduced torque from the speed reduction device and to differentially output torques to left and right output shafts, a vectoring control motor outputting a control torque, and a torque vectoring apparatus engaged to the vectoring control motor and including two planetary gear sets and controlling a torque ratio output to the left and right output shafts by the control torque of the torque vectoring control motor, wherein the differential device includes a differential case receiving a torque from the speed reduction device, the differential case is mounted between the two planetary gear sets rotatably on a connecting member connecting the two planetary gear sets, and side gears in the diType: ApplicationFiled: March 31, 2020Publication date: July 8, 2021Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Chulmin AHN, SungGon BYUN, Seok Joon KIM, Su Hyeon MAENG, Dong Hui CHEON, Baekyu KIM, Junyoung HA
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Publication number: 20210207697Abstract: A torque vectoring apparatus receiving a vehicle driving torque from a motor-generator may include a speed reduction device configured to reduce a rotation speed of a torque received from the motor-generator, a differential device differentially outputting the speed-reduced torque to two output shafts, a vectoring control motor outputting a control torque, a torque vectoring apparatus engaged to the vectoring control motor and including two planetary gear sets to control a torque ratio output to the two output shafts by the control torque, and a torque multiplication device including a first planetary gear set having first to third rotation elements and being mounted on one of the two output shafts, the second rotation element being connected to the control motor, the third rotation element being fixedly connected to a transmission housing.Type: ApplicationFiled: March 31, 2020Publication date: July 8, 2021Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Chulmin AHN, SungGon BYUN, Seok Joon KIM, Su Hyeon MAENG, Dong Hui CHEON, Baekyu KIM, Junyoung HA
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Patent number: 11035451Abstract: A torque vectoring apparatus receiving a vehicle driving torque from a motor-generator may include a speed reduction device engaged to the motor-generator and configured to reduce a rotation speed received from the motor-generator, a differential device engaged to the speed reduction device and configured to receive the speed-reduced torque from the speed reduction device and to differentially output torques to left and right output shafts, a vectoring control motor outputting a control torque, and a torque vectoring apparatus engaged to the vectoring control motor and including two planetary gear sets and controlling a torque ratio output to the left and right output shafts by the control torque of the torque vectoring control motor, wherein the differential device includes a differential case receiving a torque from the speed reduction device, the differential case is mounted between the two planetary gear sets rotatably on a connecting member connecting the two planetary gear sets, and side gears in the diType: GrantFiled: March 31, 2020Date of Patent: June 15, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Chulmin Ahn, SungGon Byun, Seok Joon Kim, Su Hyeon Maeng, Dong Hui Cheon, Baekyu Kim, Junyoung Ha
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Publication number: 20210078400Abstract: According to an exemplary clutch apparatus of a hybrid electric vehicle, a clutch connection member directly transmits the torque of the motor to the input shaft, and a radially internal portion of a clutch connection member is spline-engaged with the input shaft while being supported by a step wall.Type: ApplicationFiled: November 25, 2019Publication date: March 18, 2021Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Chulmin AHN, SungGon BYUN, Seok Joon KIM, Su Hyeon MAENG, Dong Hui CHEON, Baekyu KIM, Junyoung HA
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Patent number: 10814721Abstract: A drive torque received from a power source is split and output to first and second output shafts through a torque vectoring apparatus including a torque vectoring device that controls a torque ratio of split torques, where the torque vectoring device includes a control motor, a first compound planetary gear set including first and second planetary gear sets having a shared first rotation element fixed to a housing, a second rotation element, and a third rotation element connected to the first output shaft, and a second compound planetary gear set including third and fourth planetary gear sets having a shared fourth rotation element connected to the control motor, a fifth rotation element connected to a second output shaft, and a sixth rotation element connected to the second rotation element.Type: GrantFiled: March 29, 2019Date of Patent: October 27, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Chulmin Ahn, SungGon Byun, Seok Joon Kim, Su Hyeon Maeng, Hongkyu Lee, Baekyu Kim, Junyoung Ha
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Patent number: 10744876Abstract: A torque vectoring system may include a first planetary gear set that may include first, second, and third rotation elements, wherein the first rotation element is selectively connectable to one of the left-side output shaft and the right-side output shaft through a coupling element, the second rotation element is selectively connectable to the one output shaft through a coupling element, and the third rotation element is fixedly connected to a housing; and a second planetary gear set that may include fourth, fifth, and sixth rotation elements, and the fourth rotation element is fixedly connected to the first rotation element, the fifth rotation element is connected to the differential such that power may be transmitted thereto, and the sixth rotation element is fixedly connected to the second rotation element.Type: GrantFiled: November 13, 2018Date of Patent: August 18, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jun Hoi Huh, Tae Sic Park, Seok Joon Kim, Chulmin Ahn, KwangMin Choi, Baekyu Kim
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Patent number: 10697529Abstract: A drive torque received from a power source is split and output to first and second output shafts through a torque vectoring apparatus including a torque vectoring device that controls a torque ratio of split torques, where the torque vectoring device includes a control motor, a first compound planetary gear set including first and second planetary gear sets having a first rotation element fixed to a housing, a shared second rotation element connected to the first output shaft, and a third rotation element, and a second compound planetary gear set including third and fourth planetary gear sets having a shared fourth rotation element connected to the second output shaft, a fifth rotation element connected to a third rotation element, and a sixth rotation element connected to the control motor.Type: GrantFiled: March 29, 2019Date of Patent: June 30, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Chulmin Ahn, SungGon Byun, Seok Joon Kim, Su Hyeon Maeng, Hongkyu Lee, Baekyu Kim, Junyoung Ha
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Publication number: 20200182342Abstract: A drive torque received from a power source is split and output to first and second output shafts through a torque vectoring apparatus including a torque vectoring device that controls a torque ratio of split torques, where the torque vectoring device includes a control motor, a first compound planetary gear set including first and second planetary gear sets having a first rotation element fixed to a housing, a shared second rotation element connected to the first output shaft, and a third rotation element, and a second compound planetary gear set including third and fourth planetary gear sets having a shared fourth rotation element connected to the second output shaft, a fifth rotation element connected to a third rotation element, and a sixth rotation element connected to the control motor.Type: ApplicationFiled: March 29, 2019Publication date: June 11, 2020Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Chulmin AHN, SungGon BYUN, Seok Joon KIM, Su Hyeon MAENG, Hongkyu LEE, Baekyu KIM, Junyoung HA
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Publication number: 20200180431Abstract: A drive torque received from a power source is split and output to first and second output shafts through a torque vectoring apparatus including a torque vectoring device that controls a torque ratio of split torques, where the torque vectoring device includes a control motor, a first compound planetary gear set including first and second planetary gear sets having a shared first rotation element fixed to a housing, a second rotation element, and a third rotation element connected to the first output shaft, and a second compound planetary gear set including third and fourth planetary gear sets having a shared fourth rotation element connected to the control motor, a fifth rotation element connected to a second output shaft, and a sixth rotation element connected to the second rotation element.Type: ApplicationFiled: March 29, 2019Publication date: June 11, 2020Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Chulmin AHN, SungGon Byun, Seok Joon KIM, Su Hyeon MAENG, Hongkyu LEE, Baekyu KIM, Junyoung HA
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Patent number: 10550929Abstract: A lubrication system of a transmission includes a plurality of oil passages formed in an upper portion of a transmission case and supplied with churning oil, a plurality of oil outlets branched from respective oil passages formed in the transmission case and allowing oil supplied from the oil passages to free-fall, and an oil collecting portion formed at an interior of the case wall between the gear case and the motor case. In particular, the oil collecting portion collects oil free-falling from at least one oil outlet branched from at least one oil passage at the gear case, through a through-hole formed at a case wall of the gear case, and then supplies the collected oil to an exterior lubrication portion.Type: GrantFiled: July 13, 2017Date of Patent: February 4, 2020Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Chulmin Ahn, Seok Joon Kim, Junyoung Ha, Su Hyeon Maeng, Baekyu Kim, SungGon Byun
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Patent number: 10371218Abstract: An electronic brake system includes an electromagnet housing in which an inner disk install end is integrally formed around the inside surface. An electromagnet is disposed inside of the electromagnet housing. A motor plate is installed at a motor/generator, and in which an outer disk install end disposed outside of the inner disk install end in a radial direction is integrally formed around one side surface. A disk unit is provided in which a plurality of the inner disks and the outer disks are overlapped between the inner disk install end and the outer disk install end to be combined each other through friction by virtual pressure. A piston is disposed according to the inside surface of the electromagnet housing, connected with a plunger being introduced along the support end of the rear cover, and operated by electromagnetic force of the electromagnet to supply virtual pressure to the disk unit.Type: GrantFiled: December 8, 2016Date of Patent: August 6, 2019Assignee: Hyundai Motor CompanyInventors: Baekyu Kim, Seok Joon Kim, Junyoung Ha, Chulmin Ahn, SungGon Byun
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Patent number: 10343671Abstract: A power transmission apparatus for a hybrid vehicle may include a planetary gear set as a torque branching device disposed on the same axis with the engine; and a final reduction device having a final reduction gear receiving a torque of the engine and a torque of the second motor/generator, wherein, the torque of the engine is delivered to the final reduction gear through the planetary gear set, an intermediate shaft, and an output gear formed on an output shaft, and the torque of the second motor/generator is delivered to the final reduction gear through a shifting device facilitating multi-stages of torque transmission.Type: GrantFiled: June 29, 2017Date of Patent: July 9, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: SungGon Byun, Chulmin Ahn, Seok Joon Kim, Junyoung Ha, Baekyu Kim
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Publication number: 20190176620Abstract: A torque vectoring system may include a first planetary gear set that may include first, second, and third rotation elements, wherein the first rotation element is selectively connectable to one of the left-side output shaft and the right-side output shaft through a coupling element, the second rotation element is selectively connectable to the one output shaft through a coupling element, and the third rotation element is fixedly connected to a housing; and a second planetary gear set that may include fourth, fifth, and sixth rotation elements, and the fourth rotation element is fixedly connected to the first rotation element, the fifth rotation element is connected to the differential such that power may be transmitted thereto, and the sixth rotation element is fixedly connected to the second rotation element.Type: ApplicationFiled: November 13, 2018Publication date: June 13, 2019Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Jun Hoi Huh, Tae Sic Park, Seok Joon Kim, Chulmin Ahn, KwangMin Choi, Baekyu Kim
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Patent number: 10023040Abstract: A power transmission system for a hybrid electric vehicle may include an engine, a planetary gear set, and first and second motor/generators, and transmit rotational power of the engine and rotational power of the second motor/generator to a final reduction gear including a differential through independent paths, respectively, in which a sun gear is directly connected with the first motor/generator through a first motor shaft and selectively connectable with a transmission housing, a planet carrier is directly connected with an input shaft and connected with the transmission housing with a one-way clutch and a torque limiter positioned therebetween, a ring gear is directly connected with a first output gear and connected with a final reduction gear through a first intermediate shaft, and the second motor/generator is directly connected with a second output gear through a second motor shaft and connected with the final reduction gear through a second intermediate shaft.Type: GrantFiled: November 17, 2016Date of Patent: July 17, 2018Assignee: Hyundai Motor CompanyInventors: Baekyu Kim, Seok Joon Kim, Junyoung Ha, Chulmin Ahn, SungGon Byun
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Publication number: 20180162346Abstract: A power transmission apparatus for a hybrid vehicle may include a planetary gear set as a torque branching device disposed on the same axis with the engine; and a final reduction device having a final reduction gear receiving a torque of the engine and a torque of the second motor/generator, wherein, the torque of the engine is delivered to the final reduction gear through the planetary gear set, an intermediate shaft, and an output gear formed on an output shaft, and the torque of the second motor/generator is delivered to the final reduction gear through a shifting device facilitating multi-stages of torque transmission.Type: ApplicationFiled: June 29, 2017Publication date: June 14, 2018Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: SungGon Byun, Chulmin AHN, Seok Joon KIM, Junyoung HA, Baekyu KIM