Transmission Includes Three Relatively Rotatable Sun Gears Patents (Class 475/275)
  • Patent number: 9958039
    Abstract: A planetary gear train of an automatic transmission includes: an input shaft; an output shaft; first to fifth planetary gear sets each including first to third rotation elements, fourth to sixth rotation elements, seventh to ninth rotation elements, tenth to twelfth rotation elements, and thirteenth to fifteenth rotational elements; a first shaft connected with the second rotation element and the input shaft; a second shaft connected with the fourteenth rotation element and the output shaft; a third shaft connected with the third and thirteenth rotation elements; a fourth shaft connected with the sixth and fifteenth rotation elements; a fifth shaft connected with the first, eighth, and twelfth rotation elements; a sixth shaft connected with the fourth and ninth rotation elements; a seventh shaft connected with the fifth and eleventh rotation elements; an eighth shaft connected with the seventh rotation element; and a ninth shaft connected with the tenth rotation element.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: May 1, 2018
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Jin Ho Kim, Dong Hwan Hwang, Jong Sool Park, Jong Soo Kim, Kyeong Hun Lee
  • Patent number: 9958034
    Abstract: 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: Grant
    Filed: October 15, 2015
    Date of Patent: May 1, 2018
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Seong Wook Hwang, Jae Chang Kook, Hyu Tae Shim, Seong Wook Ji, Won Min Cho, Kang Soo Seo, Myeong Hoon Noh
  • Patent number: 9958038
    Abstract: A planetary gear train of an automatic transmission includes: an input shaft; an output shaft; first to fifth planetary gear sets each including first to third rotation elements, fourth to sixth rotation elements, seventh to ninth rotation elements; tenth to twelfth rotation elements, thirteenth to fifteenth rotation elements; a first shaft connected with the first rotation element and the input shaft; a second shaft connected with the fourteenth rotation element and the output shaft; a third shaft connected with the fifth, eleventh, and thirteenth rotation elements; a fourth shaft connected with the eighth and fifteenth rotation elements; a fifth shaft connected with the sixth and tenth rotation elements; a sixth shaft connected with the twelfth rotation element; a seventh shaft connected with the third, fourth, and seventh rotation elements; an eighth shaft connected with the second rotation element; and a ninth shaft connected with the ninth rotation element.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: May 1, 2018
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Jin Ho Kim, Dong Hwan Hwang, Jong Sool Park, Jong Soo Kim, Kyeong Hun Lee
  • Patent number: 9951848
    Abstract: A planetary gear train of an automatic transmission for a vehicle may include a first planetary gear set, a second planetary gear set, a third planetary gear set, a fourth planetary gear set, an input shaft mounted with the first, second, and third planetary gear sets at an external circumference of the input shaft, an output shaft disposed in parallel with the input shaft and mounted with the fourth planetary gear set on external circumference of the output shaft, a first shaft, a second shaft directly connected with the input shaft, a third shaft, a fourth shaft gear-meshed with the output shaft, a fifth shaft, a sixth shaft, a seventh shaft, an eighth shaft, a ninth shaft directly connected with the output shaft, a tenth shaft, and transfer gears, each gear-meshed with at least one of the shafts.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: April 24, 2018
    Assignee: Hyundai Motor Company
    Inventors: Kyeong Hun Lee, Jong Soo Kim, Jong Sool Park, Dong Hwan Hwang
  • Patent number: 9945449
    Abstract: A transmission gearing arrangement has four simple planetary gear sets and six shift elements. The six shift elements are engaged in combinations of three to establish ten forward speed ratios and one reverse speed ratio. A four clutch module selectively couples an intermediate shaft to four different gearing elements. One shift element is a brake.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: April 17, 2018
    Assignee: Ford Global Technologies, LLC
    Inventors: David Gon Oh, Gregory Daniel Goleski
  • Patent number: 9945453
    Abstract: An automatic transmission 20 includes: a Simpson type complex planetary gear train 25 including single pinion type first and second planetary gears 21 and 22 and single pinion type third and fourth planetary gears 23 and 24; first through fourth clutches C1 to C4; and first and second brakes B1 and B2. A first carrier 21c of the first planetary gear 21 is coupled to an input shaft 20i. A first ring gear 21r of the first planetary gear 21 is selectively connected to an output shaft 20o by the first clutch C1.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: April 17, 2018
    Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takayoshi Kato, Takashi Morimoto, Toshihiko Aoki, Hiroshi Kato, Satoru Kasuya, Tomochika Inagaki, Minoru Todo, Shinji Oita, Masaru Morise, Terufumi Miyazaki, Yoshio Hasegawa
  • Patent number: 9927009
    Abstract: The present disclosure provides a multiple speed transmission having an input member, an output member, a plurality of planetary gearsets, a plurality of interconnecting members and a plurality of torque-transmitting mechanisms. The plurality of planetary gear sets includes first, second and ring gears. The input member is continuously interconnected with at least one member of one of the plurality of planetary gear sets, and the output member is continuously interconnected with another member of one of the plurality of planetary gear sets. At least eight forward speeds and one reverse speed are achieved by the selective engagement of the five torque-transmitting mechanisms.
    Type: Grant
    Filed: April 23, 2015
    Date of Patent: March 27, 2018
    Assignee: Allison Transmission, Inc.
    Inventors: Michael Foster, Brian Schoolcraft
  • Patent number: 9915322
    Abstract: Disclosed herein is an eight-speed powertrain of a vehicle automatic transmission, including first, second, third, and fourth planetary gear sets, each having a plurality of operational elements, an input shaft connected to a second planetary carrier while power of a vehicle engine is input to the input shaft, an output shaft connected to a fourth ring gear while varied torque is output from the output shaft, a plurality of rotary shafts interconnecting the operational elements, a plurality of brakes, and a plurality of clutches selectively connecting the rotary shafts.
    Type: Grant
    Filed: January 23, 2013
    Date of Patent: March 13, 2018
    Assignee: Hyundai-Powertech Co., Ltd.
    Inventor: Tae Hoon Kim
  • Patent number: 9903446
    Abstract: A planetary gear train of an automatic transmission for a vehicle is disclosed. The planetary gear train may include: an input shaft receiving torque of an engine; an output shaft outputting 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; and a fourth planetary gear set including tenth, eleventh, and twelfth rotation elements.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: February 27, 2018
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Ki Tae Kim, Seong Wook Hwang, Hyun Sik Kwon, Wonmin Cho, Jae Chang Kook, Seongwook Ji
  • Patent number: 9897173
    Abstract: A planetary gear train of claim of an automatic transmission for a vehicle may include an input shaft for receiving an engine torque, an output shaft, 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 directly connected with the input shaft, a third shaft, a fourth shaft, a fifth shaft selectively connectable with each of the third shaft and the fourth shaft, a sixth shaft selectively connectable with the second shaft, a seventh shaft, and an eighth shaft directly connected with the output shaft.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: February 20, 2018
    Assignee: Hyundai Motor Company
    Inventors: Hyun Sik Kwon, Seong Wook Hwang, Wonmin Cho, Jae Chang Kook, Seongwook Ji
  • Patent number: 9897169
    Abstract: A planetary gear set 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 of the engine, a first planetary gear set including first, second, and third rotational elements, a second planetary gear set including fourth, fifth, and sixth rotational elements, a third planetary gear set including seventh, eighth, and ninth rotational elements, a fourth planetary gear set including tenth, eleventh, and twelfth rotational elements, and six control elements for selectively interconnecting the rotational elements and a transmission housing.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: February 20, 2018
    Assignee: Hyundai Motor Company
    Inventors: Jae Chang Kook, Hyun Sik Kwon, Seongwook Ji, Wonmin Cho, Wookjin Jang, Seong Wook Hwang
  • Patent number: 9897168
    Abstract: Eight 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: Grant
    Filed: June 23, 2016
    Date of Patent: February 20, 2018
    Assignee: Hyundai Motor Company
    Inventors: Jae Chang Kook, Woo Jin Chang, Wonmin Cho, Hyun Sik Kwon, Seong Wook Hwang, Seongwook Ji
  • Patent number: 9897174
    Abstract: A planetary gear train of claim 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 with a transmission housing, a fifth shaft selectively connectable with the second shaft, a sixth shaft directly connected with the output shaft, a seventh shaft, an eighth shaft selectively connectable with the first shaft and the second shaft, and directly connected with the input shaft, and a ninth shaft selectively connectable with the sixth shaft.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: February 20, 2018
    Assignee: Hyundai Motor Company
    Inventors: Seong Wook Hwang, Hyun Sik Kwon, Wonmin Cho, Jae Chang Kook, Seongwook Ji
  • Patent number: 9890835
    Abstract: A multiple speed transmission includes an input member, an output member, a plurality of planetary gearsets, a plurality of interconnecting members and a plurality of torque-transmitting mechanisms. The plurality of planetary gear sets includes first, second and ring gears. The input member is continuously interconnected with at least one member of one of the plurality of planetary gear sets, and the output member is continuously interconnected with another member of one of the plurality of planetary gear sets. At least eight forward speeds and one reverse speed are achieved by the selective engagement of the five torque-transmitting mechanisms.
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: February 13, 2018
    Assignee: Allison Transmission, Inc.
    Inventors: Michael Foster, Brian Schoolcraft
  • Patent number: 9863503
    Abstract: A planetary gear train of an automatic transmission for a vehicle may include an input shaft receiving power of an engine, an output shaft configured to output shifted power, 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, and six control elements which are disposed between the rotation elements, and disposed at portions where the rotation elements are selectively connected to a transmission housing.
    Type: Grant
    Filed: November 21, 2015
    Date of Patent: January 9, 2018
    Assignee: Hyundai Motor Company
    Inventors: JongSool Park, Dong Hwan Hwang, Seong Wook Hwang, Seongwook Ji, Chang Wook Lee, Hyun Sik Kwon, SeokJin Kim, KyeongHun Lee, Wonmin Cho
  • Patent number: 9863508
    Abstract: 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, a sixth shaft selectively connectable to each of the first, second, and fourth shafts, a seventh shaft, and an eighth shaft selectively connectable to the seventh shaft, and directly connected to the output shaft.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: January 9, 2018
    Assignee: Hyundai Motor Company
    Inventors: Jae Chang Kook, Hyun Sik Kwon, Seongwook Ji, Wonmin Cho, Wookjin Jang, Seong Wook Hwang
  • Patent number: 9863506
    Abstract: A planetary gear train of a transmission for a vehicle is provided. The planetary gear train includes an input shaft that receives power of an engine and an output shaft that outputs power. Additionally, four planetary gear sets are provided each having three rotation elements. Various shafts then connect the rotation elements either directly or selectively. Accordingly, a gear shift stage appropriate to a rotation speed of an engine is implemented and operating noise of a vehicle is reduced by using a driving point in a low rotation speed range of the engine.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: January 9, 2018
    Assignee: Hyundai Motor Company
    Inventors: Wonmin Cho, Seong Wook Hwang, Hyun Sik Kwon, Jae Chang Kook, Seongwook Ji
  • Patent number: 9856948
    Abstract: A multi-speed transmission for a motor vehicle includes a housing, a drive shaft, an output shaft, and at least four planetary gear sets, whereas each of the planetary gear sets comprises one sun gear, at least one planet, one planetary carrier and one ring gear. Several shift elements are provided in the form of at least four clutches and at least two brakes. The drive shaft is connectable through the third clutch to the first brake and to the sun gear of the first planetary gear set and to the sun gear of the second planetary gear set. The ring gear of the first planetary gear set is connected to the planetary carrier of the fourth planetary gear set. The planetary carrier of the fourth planetary gear set is connectable through the fourth clutch to the drive shaft. The sun gear of the fourth planetary gear set is connected to the housing. The second brake is connected to the planetary carrier of the first planetary gear set.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: January 2, 2018
    Assignee: ZF Friedrichshafen AG
    Inventors: Stefan Beck, Christian Sibla, Wolfgang Rieger
  • Patent number: 9856953
    Abstract: The present disclosure provides a planetary gear train of an automatic transmission for a vehicle having advantages of improving power transfer performance and fuel efficiency by implementing ten forward speeds and one reverse speed. The planetary gear train includes: first, second, third, and fourth planetary gear sets; an input shaft; an output shaft; eight shafts connected to the respective rotation elements of the first, second, third, and fourth planetary gear sets; four clutches and two brakes which are control elements; and a transmission housing H. With this arrangement, rotation power from an engine which is input from the input shaft is shifted by a mutual complementing operation between the first, second, third, and fourth planetary gear sets, and is then output through the output shaft.
    Type: Grant
    Filed: December 6, 2016
    Date of Patent: January 2, 2018
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Hyun Sik Kwon, Seong Wook Hwang, Ki Tae Kim, Wonmin Cho, Jae Chang Kook, Seongwook Ji
  • Patent number: 9856954
    Abstract: A planetary gear train of automatic transmission may comprise an input shaft, an output shaft, first, second, third, and fourth planetary gear sets having first to twelfth rotating element, and six control elements disposed between one of the rotating elements and another or the input shaft, between one of the rotating elements and the output shaft, or between one of the rotating elements and a transmission housing, wherein the input shaft is directly connected with the third rotating element, the output shaft is connected with the eleventh rotating element continuously, the second rotating element is directly connected with the eleventh rotating element, the third rotating element is directly connected with the fourth rotating element, the fifth rotating element is directly connected with the ninth rotating element, the sixth rotating element is directly connected with the tenth rotating element, and the seventh rotating element is selectively connected with the transmission housing.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: January 2, 2018
    Assignee: Hyundai Motor Company
    Inventors: JongSool Park, Dong Hwan Hwang, Seong Wook Hwang, Seongwook Ji, Chang Wook Lee, Hyun Sik Kwon, SeokJin Kim, KyeongHun Lee, Wonmin Cho
  • Patent number: 9850988
    Abstract: 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 directly connected to the input shaft, a third shaft, a fourth shaft, a fifth shaft selectively connectable to the third shaft, a sixth shaft selectively connectable to the third shaft, a seventh shaft selectively connectable to the fourth shaft, and an eighth shaft selectively connectable to the third shaft, and directly connected to the output shaft.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: December 26, 2017
    Assignee: Hyundai Motor Company
    Inventors: Jae Chang Kook, Hyun Sik Kwon, Seongwook Ji, Wonmin Cho, Wookjin Jang, Seong Wook Hwang
  • Patent number: 9845845
    Abstract: A planetary gear train of an automatic transmission for vehicle may include an input shaft receiving power of an engine, an output shaft outputting shifted power 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 directly connected with the input shaft, a second shaft, a third shaft, a fourth shaft selectively connectable to the third shaft, a fifth shaft selectively connectable with the third shaft, a sixth shaft, a seventh shaft directly connected with a transmission housing, an eighth shaft selectively connectable with each of the fifth shaft and the sixth shaft, and a ninth shaft selectively connectable with the fifth shaft, and directly connected with the output shaft.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: December 19, 2017
    Assignee: Hyundai Motor Company
    Inventors: Seongwook Ji, Seong Wook Hwang, Woo Jin Chang, Wonmin Cho, Hyun Sik Kwon, Jae Chang Kook
  • Patent number: 9845847
    Abstract: 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: Grant
    Filed: October 26, 2016
    Date of Patent: December 19, 2017
    Assignee: Hyundai Motor Company
    Inventors: Jae Chang Kook, Seongwook Ji, Woochurl Son, Hyun Sik Kwon, Woo Jin Chang, Seong Wook Hwang, Wonmin Cho
  • Patent number: 9841085
    Abstract: 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 nine forward speed stages with a minimum number of constituent elements being used, and improves driving stability of a vehicle by utilizing a low rotation speed of an engine.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: December 12, 2017
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Wonmin Cho, Seong Wook Hwang, Hyun Sik Kwon, Jae Chang Kook, Seongwook Ji
  • Patent number: 9829079
    Abstract: Eleven forward speeds and one reverse speed are achieved by a planetary gear train of an automatic transmission for a vehicle. The planetary gear train includes: an input shaft, an output shaft, four planetary gear sets respectively having three rotational elements, and six control elements for selectively interconnecting the rotational elements and a transmission housing. In particular, the six control elements may be four clutches and two brakes, and the rotational elements of each planetary gear set may be a sun gear, a planet carrier rotatably supporting pinion gears, and a ring gear which internally meshes with the pinion gears.
    Type: Grant
    Filed: December 6, 2016
    Date of Patent: November 28, 2017
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Hyun Sik Kwon, Seong Wook Hwang, Ki Tae Kim, Wonmin Cho, Jae Chang Kook, Seongwook Ji
  • Patent number: 9822849
    Abstract: 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 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 ten forward speed stages and one reverse speed stage, and widens gear ratio span and secures linearity of step ratios.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: November 21, 2017
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Jong Soo Kim, Jinseok Kim, Jae Chang Kook, Dong Hwan Hwang, Seong Wook Hwang, Woo Jin Chang, Seongwook Ji, Chon Ok Kim, Wonmin Cho, Hyun Sik Kwon, Jong Sool Park, Kyeong Hun Lee, Tae Whan Kim
  • Patent number: 9822855
    Abstract: 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, a third planetary gear set, a fourth planetary gear set, six control elements, a first shaft selectively connectable with a transmission housing, a second shaft, a third shaft, a fourth shaft directly connected with the input shaft, a fifth shaft selectively connectable with the third shaft, and selectively connectable with the transmission housing, a sixth shaft selectively connectable with at least one of the first shaft and the fourth shaft, a seventh shaft directly connected with the output shaft, and an eighth shaft selectively connectable with the sixth shaft.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: November 21, 2017
    Assignee: Hyundai Motor Company
    Inventors: Seongwook Ji, Seong Wook Hwang, Hyun Sik Kwon, Wonmin Cho, Jae Chang Kook
  • Patent number: 9822847
    Abstract: 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 changed torque; a first planetary gear set including a first rotation element, a second rotation element, and a third rotation element; a second planetary gear set including a fourth rotation element, a fifth rotation element, and a sixth rotation element; a third planetary gear set including a seventh rotation element, an eighth rotation element, and a ninth rotation element; and a fourth planetary gear set including a tenth rotation element, an eleventh rotation element, and a twelfth rotation element.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: November 21, 2017
    Assignee: Hyundai Motor Company
    Inventors: Chang Wook Lee, Sueng Ho Lee, Dong Hwan Hwang, Seong Wook Hwang, Seongwook Ji, Wonmin Cho, JongSool Park, KyeongHun Lee, Myeong Hoon Noh
  • Patent number: 9816591
    Abstract: 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 changed torque; a first planetary gear set including a first rotation element, a second rotation element, and a third rotation element; a second planetary gear set including a fourth rotation element, a fifth rotation element, and a sixth rotation element; a third planetary gear set including a seventh rotation element, an eighth rotation element, and a ninth rotation element; and a fourth planetary gear set including tenth, eleventh, and twelfth rotation elements.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: November 14, 2017
    Assignee: Hyundai Motor Company
    Inventors: Dong Hwan Hwang, Sueng Ho Lee, Chang Wook Lee, JongSool Park, KyeongHun Lee
  • Patent number: 9816589
    Abstract: 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: Grant
    Filed: October 9, 2015
    Date of Patent: November 14, 2017
    Assignee: Hyundai Motor Company
    Inventors: Won Min Cho, Jae Chang Kook, Myeong Hoon Noh, Seong Wook Ji, Kang Soo Seo, Seong Wook Hwang
  • Patent number: 9797458
    Abstract: A shifting device for a motor vehicle transmission includes several transmission shafts which each are rotatable about a transmission axis, a synchronizer ring which is firmly connected with a transmission shaft, a first disk carrier, a plurality of first disks which are non-rotatably and axially shiftably connected with the first disk carrier, a second disk carrier which is axially shiftable relative to the first disk carrier and in circumferential direction can be coupled with the synchronizer ring both frictionally and positively, a plurality of second disks which are non-rotatably and axially shiftably connected with the second disk carrier and form a multidisk clutch with the first disks, and an actuating body for axially pressurizing the second disk carrier, wherein the actuating body and the second disk carrier are rotatable relative to each other in circumferential direction and substantially are firmly connected with each other in axial direction.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: October 24, 2017
    Assignee: HOERBIGER ANTRIEBSTECHNIK HOLDING GMBH
    Inventors: Ansgar Damm, Peter Echtler, Michael Koelzer, Juergen Ackermann, Kjell Lundin
  • Patent number: 9797480
    Abstract: An automatic transmission for a vehicle may include an input shaft; an output shaft; first to fourth planetary gear sets and six control elements which are disposed between the rotating elements, and disposed at portions where the rotating elements are selectively connected to a transmission housing, in which the input shaft is directly connected with the second rotating element, the output shaft is directly connected with the eleventh rotating element, the first rotating element is directly connected with the seventh rotating element, the sixth rotating element is directly connected with the transmission housing, the fourth rotating element is directly connected with the ninth rotating element, the eighth rotating element is directly connected with the tenth rotating element, and at least ten forward speeds and one reverse speed are implemented by operations of three control elements among the six control elements.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: October 24, 2017
    Assignee: Hyundai Motor Company
    Inventors: Seongwook Ji, Sueng Ho Lee, Jae Chang Kook, Dong Hwan Hwang, SeokJin Kim, Wonmin Cho, Hyun Sik Kwon, JongSool Park, KyeongHun Lee, Seong Wook Hwang
  • Patent number: 9791021
    Abstract: 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: Grant
    Filed: October 19, 2015
    Date of Patent: October 17, 2017
    Assignee: Hyundai Motor Company
    Inventors: Jae Chang Kook, Kang Soo Seo, Won Min Cho, Myeong Hoon Noh, Seong Wook Ji, Wook Jin Jang, Seong Wook Hwang
  • Patent number: 9784341
    Abstract: A planetary gear train of an automatic transmission for a vehicle may include an input shaft, an output shaft, 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 element, and a fourth planetary gear set including tenth, eleventh, and twelfth rotation elements, in which the input shaft is directly connected to the third rotation element, the second rotation element is directly connected to the eleventh rotation element, the output shaft is directly connected to the second rotation element, the third rotation element is directly connected to the fourth rotation element, the sixth rotation element is directly connected to the eighth rotation element, the ninth rotation element is directly connected to the tenth rotation element, and the fifth rotation element is selectively connected to a transmission housing.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: October 10, 2017
    Assignee: Hyundai Motor Company
    Inventors: Jong Sool Park, Sueng Ho Lee, Dong Hwan Hwang, Seong Wook Hwang, Seongwook Ji, Wonmin Cho, Hyun Sik Kwon, Kyeong Hun Lee, Jong Soo Kim
  • Patent number: 9784345
    Abstract: A transmission device, wherein the compound planetary gear mechanism increases the speed of the power transmitted to the input element and transmits the resultant power to the first and the second output elements when the fixable element is non-rotatably held stationary by the first brake; and the first and the second clutches are disposed on a side closer in the axial direction to the compound planetary gear mechanism than the first and the second planetary gear mechanisms.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: October 10, 2017
    Assignee: AISIN AW CO., LTD.
    Inventors: Nobutada Sugiura, Takashi Morimoto, Toshihiko Aoki, Hiroshi Kato, Satoru Kasuya, Masahiro Otake, Masanori Murakami, Takuya Nakajima
  • Patent number: 9777802
    Abstract: Transmissions with at least three gearing-arrangements with similar first and second gearing-arrangements that produce a number of transmissions having an eleven forward-speed and two reverse-speed ratios, having ten forward-speed and three reverse-speed ratios, and having five forward-speed and one reverse-speed ratios by selective engagement of three shift-elements in various combinations. Some embodiments include four simple planetary-gearsets and six shift-elements of which two or three are brakes. Another embodiment includes a double-pinion planetary-gearset and six shift-elements of which three are brakes. Other embodiments include three simple planetary-gearsets and five shift-elements of which one or two are brakes.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: October 3, 2017
    Assignee: Ford Global Technologies, LLC
    Inventors: Robert Scott Lippert, Jeremy Lynn Hargis
  • Patent number: 9777803
    Abstract: A planetary gear train of an automatic transmission provides a planetary gear train that includes an input shaft receiving torque of an engine. An output shaft outputs changed torque. Four planetary gear sets include twelve rotation elements. Six friction elements are disposed between rotation elements or between a rotation element and a transmission housing. The input shaft is connected to the second rotation element and selectively connected to the twelfth rotation element. The output shaft is connected to the eleventh rotation element. The first rotation element is connected to the fourth rotation element, the fifth rotation element is connected to the eighth rotation element, the sixth rotation element is connected to the tenth rotation element, the ninth rotation element is connected to the eleventh rotation element, and three friction elements among the six friction elements are operated at each speed stage.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: October 3, 2017
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Hyun Sik Kwon, Jae Chang Kook, Dong Hwan Hwang, Seong Wook Hwang, Chang Wook Lee, Seongwook Ji, Wonmin Cho, JongSool Park, KyeongHun Lee, Jong Soo Kim
  • Patent number: 9777814
    Abstract: A three mode continuously variable transmission (CVT) for a motor vehicle includes an optional speed change device connected to a pulley and a belt assembly or other continuously variable unit. The pulley and belt assembly is also connected to a planetary gear set arrangement. The planetary gear set arrangement generally includes two planetary gear sets, two brakes and two clutches. The planetary gear set arrangement is connected to a final drive unit. Engagement of the clutches and brakes provides three modes of operation to the CVT.
    Type: Grant
    Filed: April 24, 2014
    Date of Patent: October 3, 2017
    Assignee: GM Global Technology Operations LLC
    Inventors: Edward W. Mellet, Craig S. Ross, Chunhao J. Lee
  • Patent number: 9777801
    Abstract: 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: Grant
    Filed: October 19, 2015
    Date of Patent: October 3, 2017
    Assignee: Hyundai Motor Company
    Inventors: Jae Chang Kook, Seong Wook Hwang, Hyun Sik Kwon, Seong Wook Ji, Won Min Cho, Kang Soo Seo, Myeong Hoon Noh
  • Patent number: 9765855
    Abstract: 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: Grant
    Filed: November 17, 2015
    Date of Patent: September 19, 2017
    Assignee: Hyundai Motor Company
    Inventors: Jae Chang Kook, Kang Soo Seo, Won Min Cho, Myeong Hoon Noh, Seong Wook Ji, Wook Jin Jang, Seong Wook Hwang
  • Patent number: 9759291
    Abstract: An automatic transmission for a motor vehicle includes eight rotatable shafts, including a drive shaft and an output shaft. Four planetary gear sets are included, with each planetary gear set further including a first element, a second element, and a third element. Seven shift elements are included, wherein selective engagement of the seven shift elements leads to different transmission ratio relationships between the drive shaft and output shaft for shifting of several forward gears and one reverse gear. Three of the shift elements are designed as brakes, and four of the shift elements are designed as clutches.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: September 12, 2017
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Stefan Beck, Christian Sibla
  • Patent number: 9746054
    Abstract: The present disclosure provides a multiple speed transmission having an input member, an output member, a plurality of planetary gearsets, a plurality of interconnecting members and a plurality of torque-transmitting mechanisms. Each of the plurality of planetary gearsets includes a sun gear, a ring gear, and a carrier member with pinion gears. The input member is selectively interconnected with at least one member of one of the plurality of planetary gear sets, and the output member is continuously interconnected with another member of one of the plurality of planetary gear sets. At least ten forward speeds and one reverse speed are achieved by the selective engagement of the plurality of torque-transmitting mechanisms.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: August 29, 2017
    Assignee: Allison Transmission, Inc.
    Inventors: Joerg Mueller, Rico Resch, Mirko Leesch
  • Patent number: 9739346
    Abstract: When a fourth sun gear is held stationary so as to be unrotatable, a Ravigneaux type planetary gear mechanism transfers power, which has been transferred from an input shaft to a third carrier, to a third sun gear and a third ring gear with the speed of the power increased such that the rotational speed of the third sun gear is higher than the rotational speed of the third ring gear. A clutch, which corresponds to the third sun gear which rotates at a higher speed than that of the third ring gear, is disposed between the Ravigneaux type planetary gear mechanism and a second planetary gear disposed in proximity to the Ravigneaux type planetary gear mechanism with respect to a first planetary gear.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: August 22, 2017
    Assignee: AISIN AW CO., LTD.
    Inventors: Takayoshi Kato, Takashi Morimoto, Hiroshi Kato, Minoru Todo, Satoru Kasuya
  • Patent number: 9726256
    Abstract: The present disclosure provides a multiple speed transmission having an input member, an output member, a plurality of planetary gearsets, a plurality of interconnecting members and a plurality of torque-transmitting mechanisms. The plurality of planetary gear sets includes first, second and third members. The input member is continuously interconnected with at least one member of one of the plurality of planetary gear sets, and the output member is continuously interconnected with another member of one of the plurality of planetary gear sets. At least eight forward speeds and one reverse speed are achieved by the selective engagement of the five torque-transmitting mechanisms.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: August 8, 2017
    Assignee: Allison Transmission, Inc.
    Inventors: Jorg Muller, Rico Resch, Mirko Leesch
  • Patent number: 9726262
    Abstract: 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, 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 selectively connectable to the second shaft, and directly connected to the input shaft, a fifth shaft, a sixth shaft, a seventh shaft selectively connectable to the second shaft, and an eighth shaft selectively connectable to the third shaft, and directly connected to the output shaft.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: August 8, 2017
    Assignee: Hyundai Motor Company
    Inventors: Jae Chang Kook, Hyun Sik Kwon, Ki Tae Kim, Wonmin Cho, Seong Wook Hwang, Seongwook Ji
  • Patent number: 9726258
    Abstract: A multi stage transmission for a vehicle may include an input shaft and an output shaft; first to third planetary gear device provided to transfer a torque between the input shaft and the output shaft and each including three rotating elements; and at least six shifting elements connected to the rotating elements of the first to third planetary gear devices, wherein the first planetary gear device has a first rotating element continuously connected to the input shaft and variably connected to a third rotating element of the third planetary gear device, a second rotating element fixedly installed by any one of the shifting elements and variably connected to the third rotating element of the third planetary gear device, and a third rotating element variably connected to a first rotating element of the second planetary gear device and continuously connected to a first rotating element of the third planetary gear device.
    Type: Grant
    Filed: November 11, 2015
    Date of Patent: August 8, 2017
    Assignee: Hyundai Motor Company
    Inventors: Seong Wook Ji, Seong Wook Hwang, Woo Jin Chang, Won Min Cho, Hyun Sik Kwon, Jae Chang Kook
  • Patent number: 9726257
    Abstract: A planetary gear train of an automatic transmission for vehicles may include an input shaft receiving power of an engine, an output shaft outputting shifted power of the engine, a first planetary gear set including first, second, and third rotating elements, a second planetary gear set including fourth, fifth, and sixth rotating elements, a third planetary gear set including seventh, eighth, and ninth rotating elements, a fourth planetary gear set including tenth, eleventh, and twelfth rotating elements, and seven control elements disposed between the rotating elements and at positions selectively connecting the rotating elements and a transmission housing.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: August 8, 2017
    Assignee: Hyundai Motor Company
    Inventors: KyeongHun Lee, Chang Wook Lee, JongSool Park, Sueng Ho Lee, Dong Hwan Hwang
  • Patent number: 9726259
    Abstract: A first carrier rotates integrally with an input shaft. A third sun gear and a fourth sun gear rotate integrally with a first intermediate shaft. A third carrier rotates integrally with a second ring gear. A fourth carrier rotates integrally with a third ring gear, and outputs power. A first clutch couples a first ring gear and a second sun gear to the first intermediate shaft. A second clutch couples the first carrier to a second carrier. A third clutch couples the second carrier to the first intermediate shaft. A first brake brakes rotation of a first sun gear. A second brake brakes rotation of the second ring gear and the third carrier. A third brake brakes rotation of a fourth ring gear.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: August 8, 2017
    Assignee: KOMATSU LTD.
    Inventors: Nobuhito Yasuta, Taku Matsuo, Masaki Shiohara, Yutaka Kamatani, Kohei Izumi
  • Patent number: 9719580
    Abstract: A transmission includes an input member, an output member, three planetary gear sets, a coupling member and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes.
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: August 1, 2017
    Assignee: GM Global Technology Operations, LLC
    Inventors: James M. Hart, James B. Borgerson
  • Patent number: 9689467
    Abstract: The present disclosure provides a multiple speed transmission having an input member, an output member, a plurality of planetary gearsets, a plurality of interconnecting members and a plurality of torque-transmitting mechanisms. The plurality of planetary gear sets includes first, second and ring gears. The input member is continuously interconnected with at least one member of one of the plurality of planetary gear sets, and the output member is continuously interconnected with another member of one of the plurality of planetary gear sets. At least eight forward speeds and one reverse speed are achieved by the selective engagement of the five torque-transmitting mechanisms.
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: June 27, 2017
    Assignee: Allison Transmission, Inc.
    Inventors: Michael Foster, Brian Schoolcraft