US 2020/0003280 A1Published application

Planetary gear train of automatic transmission for vehicle

AssigneesHyundai Motor Company, Kia Motors Corporation

InventorsJin Ho Kim, Jae Joon Lee, Jong Sool Park, Kyeong Hun Lee, Jong Soo Kim

Life of this patent

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Abstract

A planetary gear train of an automatic transmission may include an input shaft receiving power, an output shaft outputting 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, a fifth planetary gear set including thirteenth, fourteenth and fifteenth rotation elements, and first to ninth shafts for connecting the rotation elements of the first to fifth planetary gear sets to each other.

Claims16

Dependent claims

A planetary gear train apparatus of an automatic transmission for a vehicle, the planetary gear train apparatus comprising:

an input shaft receiving power;
an output shaft outputting 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;
a fifth planetary gear set including thirteenth, fourteenth and fifteenth rotation elements;
a first shaft fixedly connected to the second rotation element, the sixth rotation element and the input shaft;
a second shaft fixedly connected to the fourteenth rotation element and the output shaft;
a third shaft fixedly connected to the third rotation element and the fifth rotation element;
a fourth shaft fixedly connected to the fourth rotation element and the seventh rotation element;
a fifth shaft fixedly connected to the eighth rotation element and the thirteenth rotation element;
a sixth shaft fixedly connected to the eleventh rotation element and the fifteenth rotation element;
a seventh shaft fixedly connected to the ninth rotation element and the tenth rotation element;
an eighth shaft fixedly connected to the first rotation element;
and
a ninth shaft fixedly connected to the twelfth rotation element.

14 more elements

A planetary gear train apparatus of an automatic transmission for a vehicle, the planetary gear train apparatus comprising:

an input shaft and an output shaft;
a first planetary gear set, a second planetary gear set, a third planetary gear set, a fourth planetary gear set, and a fifth planetary gear set, each being mounted between the input shaft and the output shaft;
and
six engagement elements configured to variably provide frictional force,
wherein each of the first planetary gear set to the fifth planetary gear set includes a first rotation element, a second rotation element and a third rotation element, and
wherein the first rotation element of the first planetary gear set is mounted to be selectively fixed to a transmission housing and to be selectively connectable to the second rotation element of the third planetary gear set,
wherein the second rotation element of the first planetary gear set is fixedly connected to the input shaft and the third rotation element of the second planetary gear set and is mounted to be selectively connectable to the second rotation element of the third planetary gear set,
wherein the third rotation element of the first planetary gear set is fixedly connected to the second rotation element of the second planetary gear set,
wherein the first rotation element of the second planetary gear set is fixedly connected to the first rotation element of the third planetary gear set,
wherein the second rotation element of the second planetary gear set is mounted to be selectively connectable to the second rotation element of the fifth planetary gear set,
wherein the second rotation element of the third planetary gear set is fixedly connected to the first rotation element of the fifth planetary gear set,
wherein the third rotation element of the third planetary gear set is fixedly connected to the first rotation element of the fourth planetary gear set and is mounted to be selectively fixed to the transmission housing,
wherein the second rotation element of the fourth planetary gear set is fixedly connected to the third rotation element of the fifth planetary gear set,
wherein the third rotation element of the fourth planetary gear set is mounted to be selectively fixed to the transmission housing, and
wherein the second rotation element of the fifth planetary gear set is fixedly connected to the output shaft.

12 more elements

A planetary gear train apparatus of an automatic transmission for a vehicle, the planetary gear train apparatus comprising:

a first planetary gear set, a second planetary gear set, a third planetary gear set, a fourth planetary gear set, and a fifth planetary gear set, each including three rotation elements having first, second, and third rotation elements;
six engagement elements configured to variably provide frictional force;
and
first to ninth shafts connected to the three rotation elements of the first planetary gear set to the fifth planetary gear set,
wherein the first to ninth shafts comprise:
a first shaft fixedly connected to the second rotation element of the first planetary gear set, the third rotation element of the second planetary gear set and the input shaft;
a second shaft fixedly connected to the second rotation element of the fifth planetary gear set and the output shaft;
a third shaft fixedly connected to the third rotation element of the first planetary gear set and the second rotation element of the second planetary gear set;
a fourth shaft fixedly connected to the first rotation element of the second planetary gear set and the first rotation element of the third planetary gear set;
a fifth shaft fixedly connected to the second rotation element of the third planetary gear set and the first rotation element of the fifth planetary gear set;
a sixth shaft fixedly connected to the second rotation element of the fourth planetary gear set and the third rotation element of the fifth planetary gear set;
and
a seventh shaft, an eighth shaft and a ninth shaft, each being mounted to be selectively fixed to a transmission housing.

10 more elements

Dependencies are inferred from the claim text.

Facts

Application: 16/197,169Filed 20 Nov 2018
Priority: KR 10-2018-00766502 Jul 2018
Published: 2 Jan 2020
Term ends: Not estimatedThe source records don’t support an estimate.

Classification6 codes

F16H 3/62
Using gears having orbital motion: gearings having three or more central gears
F16H 3/66
Gearings having three or more central gears: composed of a number of gear trains without drive passing from one train to another
F16H 2200/0069
Characterised by the number of forward speeds: the gear ratios comprising ten forward speeds
F16H 2200/2015
Characterised by the number of sets of orbital gears: with five sets of orbital gears