Multiple-speed gearbox of 3-shaft design, especially for motor vehicles
US6244123A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 24, 1999 |
| Grant date | Jun 12, 2001 |
| Priority date | — |
| Expiry date | Aug 24, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/19242
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
In a multiple-speed grearbox having a selectively switchable dual friction clutches, a first clutch connected to a first input shaft, a second friction clutch connected to a second input shaft, gears belonging to gear pairs arranged on the first and second input shafts and meshing with gears on two countershafts, one of the countershafts provided with an output pinion, the gear pairs including a fixed gear and a loose gear connected selectively with its drive shaft by a synchronizer clutch, two loose gears having with synchronizing clutches arranged between these gears arranged on the first and second input shafts, and two pairs of loose gears having synchronizer clutches arranged between them arranged on the countershaft forming the output shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.