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 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;
a fourth planetary gear set including a tenth rotation element, an eleventh rotation element, and a twelfth rotation element;
an input shaft mounted with the first and second 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 third and fourth planetary gear set on external circumference of the output shaft;
a first connecting member connected with the first rotation element;
a second connecting member interconnecting the second rotation element and the fifth rotation element;
a third connecting member interconnecting the third rotation element and the fourth rotation element;
a fourth connecting member connected with the sixth rotation element;
a fifth connecting member interconnecting the seventh rotation element and the tenth rotation element;
a sixth connecting member connecting the eighth rotation element and the twelfth rotation element and connected to the input shaft selectively;
a seventh connecting member connected with the ninth rotation element and engaged with the second connecting member;
an eighth connecting member connected with the eleventh rotation element and directly connected with the output shaft; and
transfer gears connected with at least two of the first, second, third, fourth, fifth, sixth, seventh, and eighth connecting members.
1 Assignment
0 Petitions
Accused Products
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, an output shaft disposed in parallel with the input shaft, a first connecting member, a second connecting member, a third connecting member, a fourth connecting member, a fifth connecting member, a sixth connecting member connected to the input shaft selectively, a seventh connecting member engaged with the second connecting member, an eighth connecting member directly connected with the output shaft, and transfer gears connected with the connecting members.
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Citations
15 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 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; a fourth planetary gear set including a tenth rotation element, an eleventh rotation element, and a twelfth rotation element; an input shaft mounted with the first and second 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 third and fourth planetary gear set on external circumference of the output shaft; a first connecting member connected with the first rotation element; a second connecting member interconnecting the second rotation element and the fifth rotation element; a third connecting member interconnecting the third rotation element and the fourth rotation element; a fourth connecting member connected with the sixth rotation element; a fifth connecting member interconnecting the seventh rotation element and the tenth rotation element; a sixth connecting member connecting the eighth rotation element and the twelfth rotation element and connected to the input shaft selectively; a seventh connecting member connected with the ninth rotation element and engaged with the second connecting member; an eighth connecting member connected with the eleventh rotation element and directly connected with the output shaft; and transfer gears connected with at least two of the first, second, third, fourth, fifth, sixth, seventh, and eighth connecting members. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A planetary gear train of an automatic transmission for a vehicle, comprising:
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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; a fourth planetary gear set including a tenth rotation element, an eleventh rotation element, and a twelfth rotation element; an input shaft mounted with the first and second planetary gear sets at an external circumference of the input shaft; and an output shaft disposed in parallel with the input shaft and mounted with the third and fourth planetary gear sets on an external circumference of the output shaft, wherein the first rotation element is selectively connectable with at least one of the input shaft and a transmission housing, the second rotation element is directly connected with the fifth rotation element, the third and fourth rotation elements are directly connected to each other and selectively connectable with the input shaft, the seventh and tenth rotation elements are directly connected to each other and selectively connectable with the transmission housing, the eighth and twelfth rotation elements are directly connected to each other and connected with the input shaft selectively, the ninth rotation element is connected with the fifth rotation element, and the eleventh rotation element is directly connected with the output shaft. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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Specification