公开(公告)号：US20170261077A1

公开(公告)日：2017-09-14

申请号：US15266825

申请日：2016-09-15

Applicant: Hyundai Motor Company

Inventor： Wonmin Cho ,  Seong Wook Hwang ,  Hyun Sik Kwon ,  Jae Chang Kook ,  Seongwook Ji

IPC: F16H3/66

CPC classification number: F16H3/66 ,  F16H2200/0065 ,  F16H2200/2012 ,  F16H2200/2046 ,  F16H2200/2097

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.

公开(公告)号：US20170261072A1

公开(公告)日：2017-09-14

申请号：US15078584

申请日：2016-03-23

Applicant: HYUNDAI MOTOR COMPANY

Inventor： 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

IPC: F16H3/66

CPC classification number: F16H3/66 ,  F16H2200/0073 ,  F16H2200/2012 ,  F16H2200/2048

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.

公开(公告)号：US09752659B2

公开(公告)日：2017-09-05

申请号：US14941559

申请日：2015-11-14

Applicant: Hyundai Motor Company

Inventor： Seong Wook Ji ,  Jae Chang Kook ,  Seong Wook Hwang ,  Hyun Sik Kwon ,  Won Min Cho ,  Kang Soo Seo ,  Myeong Hoon Noh

IPC: F16H3/66

CPC classification number: F16H3/66 ,  F16H2200/0069 ,  F16H2200/2012 ,  F16H2200/2046

Abstract: A multi-stage transmission for a vehicle may include an input shaft; an output shaft; first to fourth planetary gear devices transmitting rotary force between the input and output shafts, each of them having three rotary elements, and at least six shifting elements connected to the rotary elements of the planetary gear devices; wherein a first rotary element of the first planetary gear device is variably connected to a first rotary element and a third rotary element of the second planetary gear device, a second rotary element is continuously connected to the input shaft and variably connected to the first rotary element of the second planetary gear device, and a third rotary element is installed to be fixable by any one of the shifting elements and continuously connected to a third rotary element of the third planetary gear device.

公开(公告)号：US09752657B2

公开(公告)日：2017-09-05

申请号：US14925865

申请日：2015-10-28

Applicant: Hyundai Motor Company

Inventor： KyeongHun Lee ,  Chang Wook Lee ,  JongSool Park ,  Sueng Ho Lee ,  Dong Hwan Hwang

IPC: F16H3/66

CPC classification number: F16H3/66 ,  F16H2200/0069 ,  F16H2200/2012 ,  F16H2200/2048

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 of the engine, 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 seven friction elements disposed between at least one rotation element among the twelve rotation elements and another rotation element or the input shaft, or between at least one rotation element among the twelve rotation elements and a transmission housing.

公开(公告)号：US09746053B2

公开(公告)日：2017-08-29

申请号：US14799864

申请日：2015-07-15

Applicant: ZF Friedrichshafen AG

Inventor： Stefan Beck ,  Christian Sibla ,  Martin Brehmer ,  Josef Haupt

IPC: F16H3/66 ,  F16H3/44

CPC classification number: F16H3/66 ,  F16H2003/442 ,  F16H2200/0065 ,  F16H2200/0069 ,  F16H2200/2012 ,  F16H2200/2046 ,  F16H2200/2048

Abstract: A transmission (G) is provided having four planetary gear sets (P1, P2, P3, P4), several shafts (W1-W8) and a first, second, third, fourth and fifth shift element (B1, B2, K1, K2, K3), the selective meshing of which brings about different transmission ratio relationships between a transmission input shaft (GW1) and a transmission output shaft (GW2). The transmission (G) includes a sixth shift element (K4), through which the fifth shaft (W5) is connectable to the sun gear (So-P4) of the fourth planetary gear set (P4).

公开(公告)号：US09726261B1

公开(公告)日：2017-08-08

申请号：US15265054

申请日：2016-09-14

Applicant: Hyundai Motor Company

Inventor： Hyun Sik Kwon ,  Jae Chang Kook ,  Seongwook Ji ,  Wonmin Cho ,  Wookjin Jang ,  Seong Wook Hwang

IPC: F16H3/66

CPC classification number: F16H3/66 ,  F16H2200/0069 ,  F16H2200/2012 ,  F16H2200/2041 ,  F16H2200/2046

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 directly connected to the input shaft, a second shaft directly connected to the output shaft, a third shaft, a fourth shaft selectively connectable to the third shaft, a fifth shaft selectively connectable to the third shaft, a sixth shaft, a seventh shaft, and an eighth shaft selectively connectable to the second shaft and the fourth shaft.

公开(公告)号：US20170219082A1

公开(公告)日：2017-08-03

申请号：US15182802

申请日：2016-06-15

Applicant: Michael B. Solt ,  Berthold Martin

Inventor： Michael B. Solt ,  Berthold Martin

IPC: F16H57/04 ,  F16D48/06 ,  F16D21/00 ,  F16H3/66

CPC classification number: F16H57/0413 ,  F16D21/00 ,  F16D25/12 ,  F16D48/062 ,  F16D2500/10412 ,  F16D2500/1045 ,  F16D2500/10462 ,  F16D2500/30803 ,  F16D2500/5043 ,  F16D2500/506 ,  F16H3/66 ,  F16H57/0409 ,  F16H57/0484 ,  F16H57/08 ,  F16H2003/442 ,  F16H2057/087 ,  F16H2200/0065 ,  F16H2200/2012 ,  F16H2200/2046 ,  F16H2200/2064 ,  F16H2200/2094

Abstract: An automatic transmission system includes a housing containing automatic transmission fluid (ATF), a plurality of clutches configured to be engaged to generate gear ratios corresponding to forward speeds of the automatic transmission, wherein one clutch of the plurality of clutches is a friction clutch movable between a disengaged state, an engaged state utilized to create one or more gear ratios of the automatic transmission, and a slippingly engaged state between the disengaged state and the engaged state where the friction clutch is not engaged to create a gear ratio of the automatic transmission, and a controller configured to selectively move the friction clutch to the slippingly engaged state when the friction clutch is not being utilized to generate the one or more gear ratios, such that the friction clutch generates heat from friction to thereby rapidly heat the ATF in the housing and improve operating efficiency of the transmission.

公开(公告)号：US20170219065A1

公开(公告)日：2017-08-03

申请号：US15265664

申请日：2016-09-14

Applicant: Hyundai Motor Company

Inventor： Kyeong Hun LEE ,  Jong Soo KIM ,  Jong Sool PARK ,  Dong Hwan HWANG

IPC: F16H3/66

CPC classification number: F16H3/663 ,  F16H3/66 ,  F16H2200/0065 ,  F16H2200/2012 ,  F16H2200/2046

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.

公开(公告)号：US20170219063A1

公开(公告)日：2017-08-03

申请号：US15484612

申请日：2017-04-11

Applicant: GM Global Technology Operations LLC

Inventor： JAMES M. HART ,  ELIZABETH I. WOODEN ,  SCOTT H. WITTKOPP

IPC: F16H3/66

CPC classification number: F16H3/66 ,  F16H3/663 ,  F16H2003/442 ,  F16H2200/0069 ,  F16H2200/201 ,  F16H2200/2012 ,  F16H2200/2023 ,  F16H2200/2046

Abstract: A transmission is provided having an input member, an output member, at least three planetary gear sets, a plurality of interconnecting members and six torque transmitting mechanisms. The torque transmitting mechanisms include clutches and brakes that are actuatable in combinations of three to establish at least ten forward gear ratios and at least one reverse gear ratio.

公开(公告)号：US20170219058A1

公开(公告)日：2017-08-03

申请号：US15267473

申请日：2016-09-16

Applicant: Hyundai Motor Company

Inventor： Kyeong Hun LEE ,  Jong Soo KIM ,  Jong Sool Park ,  Dong Hwan Hwang

IPC: F16H3/66 ,  F16H37/04

CPC classification number: F16H3/666 ,  F16H2200/0065 ,  F16H2200/2012 ,  F16H2200/2046

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 mounted with the fourth planetary gear set on an external circumference of the output shaft, a first shaft directly connected with the input shaft, a second shaft, a third shaft, a fourth shaft, a fifth shaft, a sixth shaft, a seventh shaft, an eighth shaft gear-meshed with one shaft among the fourth and seventh shafts, a ninth shaft directly connected with the output shaft, a tenth shaft gear-meshed with a remaining shaft among the fourth and seventh shafts that is not externally gear-meshed with the eighth shaft, and transfer gears.