Planetary gear train of automatic transmission for vehicle
US9822852B2 · kind B2 · utility
12Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 2, 2016 |
| Grant date | Nov 21, 2017 |
| Priority date | — |
| Expiry date | Jun 2, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2200/2097
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Nine or more forward speeds and at least one reverse speed are achieved by a planetary gear train of an automatic transmission for a vehicle including an input shaft, an output shaft, four planetary gear sets respectively having three rotation elements, and six control elements for selectively interconnecting the rotation elements and a transmission housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.