Planetary gear train of automatic transmission for vehicle
US9322460B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 24, 2015 |
| Grant date | Apr 26, 2016 |
| Priority date | — |
| Expiry date | Jul 24, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2200/2046
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
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 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, a second rotation shaft, a third rotation shaft, a fourth rotation shaft, a fifth rotation shaft, a sixth rotation shaft, a seventh rotation shaft, and an eighth rotation shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.