Power-branched transmission having a plurality of transmission ration ranges with continuously variable transmission ratio
US7717815B2 · kind B2 · utility
42Cited by
7References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 22, 2006 |
| Grant date | May 18, 2010 |
| Priority date | — |
| Expiry date | May 2, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/62
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A power-branched transmission having a plurality of transmission ratio ranges and having a continuously variable transmission ratio. The transmission includes at least one drive shaft operatively connected to an engine with a rotationally fixed connection, a power divider, a variable speed drive, and an output shaft. The power divider is a planetary gear train and the drive shaft is directly coupled with the internal ring gear of the planetary gear train. Also disclosed is a shift system for such a transmission and a variable speed drive unit clutch arrangement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.