Multi-speed transmission
US8545362B1 · kind B1 · utility
101Cited by
6References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 25, 2012 |
| Grant date | Oct 1, 2013 |
| Priority date | — |
| Expiry date | May 25, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2200/2046
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A family of transmission gearing arrangements produces up to ten forward and one reverse speed ratios by selective engagement of various combinations of three or four clutches. Each disclosed transmission includes four planetary gear sets and six clutches. Two of the clutches can be brakes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.