Planetary gear train of automatic transmission for a vehicle
US9816590B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 19, 2015 |
| Grant date | Nov 14, 2017 |
| Priority date | — |
| Expiry date | Jan 19, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2200/2048
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A planetary gear train of an automatic transmission includes an input shaft, an output shaft, and first to fourth planetary gear sets respectively including first to third, fourth to sixth, seventh to ninth, and tenth to twelfth rotating elements, wherein the input shaft and the second rotating element, the output shaft and the eleventh rotating element, the first and sixth rotating elements, the first and eighth rotating elements, the seventh and eleventh rotating elements, and the ninth and tenth rotating elements are fixedly interconnected, and the output shaft is selectively connected with the third rotating element, and achieves ten forward speeds and one reverse speed by selectively operating three control elements among seven control elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.