发明名称 |
PLANETARY GEAR TRAIN OF AUTOMATIC TRANSMISSION FOR VEHICLE |
摘要 |
A planetary gear train of an automatic transmission may include: an input shaft; an output gear; a first planetary gear set including first sun gear, first planet carrier, and first ring gear; a second planetary gear set including second sun gear, second planet carrier, and second ring gear; a third planetary gear set including third sun gear, third planet carrier, and third ring gear; a fourth planetary gear set including fourth sun gear, fourth planet carrier, and fourth ring gear; a first rotation shaft including the first sun gear; a second rotation shaft including the first planet carrier, the second ring gear, the third planet carrier, and the fourth ring gear; a third rotation shaft including the first and third ring gears; a fourth rotation shaft including the second sun gear and selectively connected to a transmission housing; a fifth rotation shaft including the second planet carrier, selectively connected to the first rotation shaft and to the third rotation shaft, and directly connected to the input shaft; a sixth rotation shaft including the third sun gear; a seventh rotation shaft including the fourth sun gear, selectively connected to the sixth rotation shaft, and to the transmission housing; and an eighth rotation shaft including the fourth planet carrier, selectively connected to the sixth rotation shaft, and directly connected to the output gear. |
申请公布号 |
US2016356356(A1) |
申请公布日期 |
2016.12.08 |
申请号 |
US201514933953 |
申请日期 |
2015.11.05 |
申请人 |
Hyundai Motor Company |
发明人 |
CHO Wonmin;KOOK Jae Chang;NOH Myeong Hoon;JI Seongwook;SEO Kangsoo;HWANG Seong Wook |
分类号 |
F16H3/66 |
主分类号 |
F16H3/66 |
代理机构 |
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代理人 |
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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 gear 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, the second ring gear, the third planet carrier, and the fourth ring gear; a third rotation shaft including the first ring gear and the third ring gear; a fourth rotation shaft including the second sun gear and selectively connected to a transmission housing; a fifth rotation shaft including the second planet carrier, selectively connected to the first rotation shaft, selectively connected to the third rotation shaft, and directly connected to the input shaft; a sixth rotation shaft including the third sun gear; a seventh rotation shaft including the fourth sun gear, selectively connected to the sixth rotation shaft, and selectively connected to the transmission housing; and an eighth rotation shaft including the fourth planet carrier, selectively connected to the sixth rotation shaft, and directly connected to the output gear. |
地址 |
Seoul KR |