Multi-step transmission for vehicle
US9638286B2 · kind B2 · utility
2Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 13, 2015 |
| Grant date | May 2, 2017 |
| Priority date | — |
| Expiry date | Aug 18, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2200/2046
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A multi-step transmission for a vehicle may include an input shaft, an output shaft, first to fourth planetary gear devices disposed between the input shaft and the output shaft to transmit rotary force, each of the first to fourth planetary gear devices having three rotary elements, and at least six shifting elements connected to the rotary elements of the planetary gear devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.