发明名称 |
PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE |
摘要 |
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, a first planetary gear set, a second planetary gear set, a third planetary gear set, a fourth planetary gear set, a first rotation shaft, a second rotation shaft directly connected to the output shaft, a third rotation shaft selectively connected to a transmission housing, a fourth rotation shaft selectively connected to the first rotation shaft, a fifth rotation shaft selectively connected to the first rotation shaft, a sixth rotation shaft, a seventh rotation shaft directly connected to the input shaft, and an eighth rotation shaft selectively connected to the first rotation shaft, the sixth rotation shaft, or the transmission housing. |
申请公布号 |
US2016169337(A1) |
申请公布日期 |
2016.06.16 |
申请号 |
US201514826453 |
申请日期 |
2015.08.14 |
申请人 |
Hyundai Motor Company |
发明人 |
JI Seongwook;Kook Jae Chang;Cho Wonmin;Noh Myeong Hoon;Seo Kangsoo;Hwang Seong Wook |
分类号 |
F16H3/66 |
主分类号 |
F16H3/66 |
代理机构 |
|
代理人 |
|
主权项 |
1. A planetary gear train of an automatic transmission for a vehicle, comprising:
an input shaft receiving torque of an engine; an output shaft outputting changed torque; a first planetary gear set including a first sun gear, a first planet carrier, and a first ring gear; a second planetary gear set including a second sun gear, a second planet carrier, and a second ring gear; a third planetary gear set including a third sun gear, a third planet carrier, and a third ring gear; a fourth planetary gear set including a fourth sun gear, a fourth planet carrier, and a fourth ring gear; a first rotation shaft including the first sun gear; a second rotation shaft including the first planet carrier and the fourth ring gear and directly connected to the output shaft; a third rotation shaft including the first ring gear and selectively connected to a transmission housing; a fourth rotation shaft including the second sun gear and selectively connected to the first rotation shaft; a fifth rotation shaft including the second planet carrier and the third ring gear and selectively connected to the first rotation shaft; a sixth rotation shaft including the second ring gear and the fourth sun gear; a seventh rotation shaft including the third sun gear and the fourth planet carrier and directly connected to the input shaft; and an eighth rotation shaft including the third planet carrier and selectively connected to the first rotation shaft, the sixth rotation shaft, or the transmission housing. |
地址 |
Seoul KR |