Multi-speed transmission with countershaft gearing
US7703346B2 · kind B2 · utility
2Cited by
20References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2007 |
| Grant date | Apr 27, 2010 |
| Priority date | — |
| Expiry date | Jan 6, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/19288
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A transmission is provided having a dual clutch and a countershaft gearing arrangement. The countershaft gearing arrangement includes a plurality of co-planar gears sets having gears that are selectively connectable to at least two countershafts. Moreover, one of the gears of the plurality of co-planar gears sets that provides a reverse gear ratio is selectively connectable to a first countershaft and is in mesh with only one other gear of the plurality of co-planar gears sets that is selectively engagable to a second countershaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.