Planetary gear train of automatic transmission for vehicles
First Claim
Patent Images
1. A planetary gear train of an automatic transmission for a vehicle, comprising:
- an input shaft for receiving an engine torque;
an output shaft for outputting a shifted 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;
a fourth planetary gear set including a tenth rotation element, an eleventh rotation element, and a twelfth rotation element;
six control elements, each of which selectively connects at least one of the first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, eleventh, and twelfth rotation elements with the input shaft or selectively connects at least one of the first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, eleventh, and twelfth rotation elements with a transmission housing;
a first connecting member fixedly connected with the first rotation element and fixedly connected with the transmission housing;
a second connecting member fixedly connected with the second rotation element and the seventh rotation element and selectively connectable with the transmission housing to act as a selective fixed element;
a third connecting member fixedly connected with the third rotation element and the sixth rotation element, and selectively connectable with the input shaft to act as a selective input element;
a fourth connecting member fixedly connected with the fourth rotation element and fixedly and continuously connected with the input shaft to act as an input element;
a fifth connecting member fixedly connected with the fifth rotation element and selectively connectable with the transmission housing to act as a selective fixed element;
a sixth connecting member fixedly and continuously connected with the eighth rotation element and the twelfth rotation element, selectively connectable with the input shaft to act as a selective input element, and selectively connectable with the transmission housing to act as a selective fixed element;
a seventh connecting member fixedly connected with the ninth rotation element and the eleventh rotation element, and fixedly connected with the output shaft to act as an output element; and
an eighth connecting member fixedly connected with the tenth rotation element, and selectively connectable with the input shaft to act as a selective input element.
1 Assignment
0 Petitions
Accused Products
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 set, a third planetary gear set, a fourth planetary gear set, six control elements, a first connecting member directly connected with a transmission housing, a second connecting member selectively connectable with the transmission housing, a third connecting member selectively connectable with the input shaft, a fourth connecting member directly connected with the input shaft, a fifth connecting member selectively connectable with the transmission housing, a sixth connecting member selectively connectable with the input shaft, and selectively connectable with the transmission housing, a seventh connecting member directly connected with the output shaft, and an eighth connecting member selectively connectable with the input shaft.
-
Citations
9 Claims
-
1. A planetary gear train of an automatic transmission for a vehicle, comprising:
-
an input shaft for receiving an engine torque; an output shaft for outputting a shifted 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; a fourth planetary gear set including a tenth rotation element, an eleventh rotation element, and a twelfth rotation element; six control elements, each of which selectively connects at least one of the first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, eleventh, and twelfth rotation elements with the input shaft or selectively connects at least one of the first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, eleventh, and twelfth rotation elements with a transmission housing; a first connecting member fixedly connected with the first rotation element and fixedly connected with the transmission housing; a second connecting member fixedly connected with the second rotation element and the seventh rotation element and selectively connectable with the transmission housing to act as a selective fixed element; a third connecting member fixedly connected with the third rotation element and the sixth rotation element, and selectively connectable with the input shaft to act as a selective input element; a fourth connecting member fixedly connected with the fourth rotation element and fixedly and continuously connected with the input shaft to act as an input element; a fifth connecting member fixedly connected with the fifth rotation element and selectively connectable with the transmission housing to act as a selective fixed element; a sixth connecting member fixedly and continuously connected with the eighth rotation element and the twelfth rotation element, selectively connectable with the input shaft to act as a selective input element, and selectively connectable with the transmission housing to act as a selective fixed element; a seventh connecting member fixedly connected with the ninth rotation element and the eleventh rotation element, and fixedly connected with the output shaft to act as an output element; and an eighth connecting member fixedly connected with the tenth rotation element, and selectively connectable with the input shaft to act as a selective input element. - View Dependent Claims (2, 3)
-
-
4. A planetary gear train of an automatic transmission for a vehicle, comprising:
-
an input shaft for receiving an engine torque; an output shaft for outputting a shifted torque; a first planetary gear set as a single pinion planetary gear set including a first rotation element, a second rotation element, and a third rotation element; a second planetary gear set as a single pinion planetary gear set including a fourth rotation element, a fifth rotation element, and a sixth rotation element; a third planetary gear set as a single pinion planetary gear set including a seventh rotation element, an eighth rotation element, and a ninth rotation element; a fourth planetary gear set as a single pinion planetary gear set including a tenth rotation element, an eleventh rotation element, and a twelfth rotation element; a first connecting member fixedly connected with the first rotation element and fixedly connected with the transmission housing; a second connecting member fixedly connected with the second rotation element and the seventh rotation element, and selectively connectable with the transmission housing; a third connecting member fixedly connected with the third rotation element and the sixth rotation element, and selectively connectable with the input shaft; a fourth connecting member fixedly connected with the fourth rotation element and fixedly connected with the input shaft; a fifth connecting member fixedly connected with the fifth rotation element and selectively connectable with the transmission housing; a sixth connecting member fixedly connected with the eighth rotation element and the twelfth rotation element, and selectively connectable with the input shaft, and selectively connectable with the transmission housing; a seventh connecting member fixedly connected with the ninth rotation element and the eleventh rotation element, and fixedly connected with the output shaft; an eighth connecting member fixedly connected with the tenth rotation element, and selectively connectable with the input shaft; a first clutch selectively connecting the input shaft and the third connecting member; a second clutch selectively connecting the input shaft and the sixth connecting member; a third clutch selectively connecting the input shaft and the eighth connecting member; a first brake selectively connecting the second connecting member and the transmission housing; a second brake selectively connecting the fifth connecting member and the transmission housing; and a third brake selectively connecting the sixth connecting member and the transmission housing. - View Dependent Claims (5, 6)
-
-
7. A planetary gear train of an automatic transmission for a vehicle, comprising:
-
an input shaft for receiving an engine torque; an output shaft for outputting a shifted torque; a first planetary gear set as a single pinion planetary gear set including a first sun gear, a first planet carrier, and a first ring gear; a second planetary gear set as a single pinion planetary gear set including a second sun gear, a second planet carrier, and second ring gear; a third planetary gear set as a single pinion planetary gear set including a third sun gear, a third planet carrier, and a third ring gear; a fourth planetary gear set as a single pinion planetary gear set including a fourth sun gear, a fourth planet carrier, and a fourth ring gear, a first connecting member fixedly connected with the first sun gear and fixedly connected with a transmission housing; a second connecting member fixedly connected with the first planet carrier and the third sun gear; a third connecting member fixedly connected with the first ring gear and second ring gear, and selectively connectable with the input shaft; a fourth connecting member fixedly connected with the second sun gear and fixedly connected with the input shaft; a fifth connecting member fixedly connected with the second planet carrier and selectively connectable with the transmission housing; a sixth connecting member fixedly connected with the third planet carrier and the fourth ring gear, and selectively connectable with the input shaft, and selectively connectable with the transmission housing; a seventh connecting member fixedly connected with the third ring gear and the fourth planet carrier, and fixedly connected with the output shaft; an eighth connecting member fixedly connected with the fourth sun gear, and selectively connectable with the input shaft; and six control elements, each of which selectively connects at least one of the first, second, third, fourth, fifth, sixth, seventh and eighth connecting members with the input shaft or selectively connects at least one of the first, second, third, fourth, fifth, sixth, seventh and eighth connecting members with the transmission housing. - View Dependent Claims (8, 9)
-
Specification
-
- Resources
Litigation Campaign Assessment
Thank you for your request. You will receive a custom alert email when the Litigation Campaign Assessment is available.
×
-
Current AssigneeHyundai Motor Company (Hyundai Motor Group)
-
Original AssigneeHyundai Motor Company (Hyundai Motor Group)
-
InventorsCho, Wonmin, Hwang, Seong Wook, Kwon, Hyun Sik, Kook, Jae Chang, Ji, Seongwook
-
Primary Examiner(s)Bishop, Erin D
-
Application NumberUS15/280,908Publication NumberTime in Patent Office642 DaysField of SearchNoneUS Class CurrentCPC Class CodesF16H 2200/0065 the gear ratios comprising ...F16H 2200/2012 with four sets of orbital g...F16H 2200/2046 with six engaging meansF16H 2200/2097 comprising an orbital gear ...F16H 3/66 composed of a number of gea...
