Multi-speed transmission
US8920281B2 · kind B2 · utility
80Cited by
17References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 2012 |
| Grant date | Dec 30, 2014 |
| Priority date | — |
| Expiry date | Mar 13, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2200/2046
- 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 three to establish a plurality of forward gear ratios and one reverse gear ratio.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.