Planetary gear train of automatic transmission for vehicle
First Claim
1. A planetary gear train of an automatic transmission for a vehicle, comprising:
- 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;
an input shaft, the first, second, and third planetary gear sets being disposed at a radial outer of the input shaft;
an output shaft disposed in parallel to the input shaft, the fourth planetary gear set being disposed at a radial outer of the outer shaft;
a first shaft directly connected to the first rotation element;
a second shaft directly connecting the second rotation element to the fourth rotation element and being connected to the input shaft;
a third shaft directly connected to the third rotation element;
a fourth shaft directly connected to the fifth rotation element;
a fifth shaft directly connecting the sixth rotation element to the eighth rotation element;
a sixth shaft directly connected to the seventh rotation element;
a seventh shaft directly connected to the ninth rotation element;
an eighth shaft directly connected to the tenth rotation element, the eighth shaft connected to one of the third and seventh shafts through a first transfer gear;
a ninth shaft directly connected to the eleventh rotation element and the output shaft; and
a tenth shaft directly connected to the twelfth rotation element, the tenth shaft connected to the other of the third and seventh shafts through a second transfer gear.
1 Assignment
0 Petitions
Accused Products
Abstract
A planetary gear train of an automatic transmission for a vehicle is disclosed. The planetary gear train may include: 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; an input shaft, the first, second, and third planetary gear sets being disposed at a radial outer of the input shaft; and an output shaft disposed in parallel with the input shaft, the fourth planetary gear set being disposed at a radial outer of the outer shaft.
2 Citations
19 Claims
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1. A planetary gear train of an automatic transmission for a vehicle, comprising:
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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; an input shaft, the first, second, and third planetary gear sets being disposed at a radial outer of the input shaft; an output shaft disposed in parallel to the input shaft, the fourth planetary gear set being disposed at a radial outer of the outer shaft; a first shaft directly connected to the first rotation element; a second shaft directly connecting the second rotation element to the fourth rotation element and being connected to the input shaft; a third shaft directly connected to the third rotation element; a fourth shaft directly connected to the fifth rotation element; a fifth shaft directly connecting the sixth rotation element to the eighth rotation element; a sixth shaft directly connected to the seventh rotation element; a seventh shaft directly connected to the ninth rotation element; an eighth shaft directly connected to the tenth rotation element, the eighth shaft connected to one of the third and seventh shafts through a first transfer gear; a ninth shaft directly connected to the eleventh rotation element and the output shaft; and a tenth shaft directly connected to the twelfth rotation element, the tenth shaft connected to the other of the third and seventh shafts through a second transfer gear. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A planetary gear train of an automatic transmission for a vehicle, comprising:
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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; an input shaft, the first, second, and third planetary gear sets being disposed at a radial outer of the input shaft; and an output shaft disposed in parallel to the input shaft, the fourth planetary gear set being disposed at a radial outer of the outer shaft, wherein the first rotation element is selectively connected to a transmission housing, the second rotation element is directly connected to the fourth rotation element and the input shaft, the sixth rotation element is directly connected to the eighth rotation element and is selectively connected to the transmission housing, the eleventh rotation element is directly connected to the output shaft, the third rotation element is connected to one of the tenth rotation element and the twelfth rotation element, and the ninth rotation element is connected to the other of the tenth rotation element and the twelfth rotation element and is selectively connected to the transmission housing. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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Specification