Planetary gear train of automatic transmission for vehicle
US9328804B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 23, 2015 |
| Grant date | May 3, 2016 |
| Priority date | — |
| Expiry date | Jul 23, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2200/2097
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A planetary gear train of an automatic transmission for a vehicle may include an input shaft, 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, a fourth planetary gear set including a fourth sun gear, a fourth planetary carrier, and a fourth ring gear, a first rotational shaft, a second rotational shaft, a third rotational shaft, a fourth rotational shaft, a fifth rotational shaft, a sixth rotational shaft, a seventh rotational shaft, and an eighth rotational shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.