Multi-speed planetary gear set transmission
US8915819B2 · kind B2 · utility
84Cited by
3References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 21, 2013 |
| Grant date | Dec 23, 2014 |
| Priority date | — |
| Expiry date | Feb 21, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2200/2048
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A transmission has an input member, an output member, at least four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.