Multi-speed transmission
US9140336B2 · kind B2 · utility
28Cited by
16References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 14, 2013 |
| Grant date | Sep 22, 2015 |
| Priority date | — |
| Expiry date | Oct 14, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2200/2097
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A transmission gearing arrangements produces up to ten forward and one reverse speed ratios by selective engagement of various combinations of four shift elements. Each disclosed transmission includes four planetary gear sets and at least six shift elements. One of the shift elements may be a dog clutch. Optional passive one way brakes simplify the control.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.