Planetary gear train of automatic transmission for vehicle
US9574639B2 · kind B2 · utility
1Cited by
1References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2014 |
| Grant date | Feb 21, 2017 |
| Priority date | — |
| Expiry date | Apr 21, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2200/2046
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A planetary gear train may include an input shaft into which power of an engine may be input, a first planetary gear set including a first sun gear, a first planetary carrier, and a first ring gear, a second planetary gear set including a second sun gear, a second planetary carrier, and a second ring gear, a third planetary gear set including a third sun gear, a third planetary carrier, and a third ring gear, and a fourth planetary gear set including a fourth sun gear, a fourth planetary carrier, and a fourth ring gear, and first to eighth rotational shafts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.