Hybrid transmission
US8444517B2 · kind B2 · utility
20Cited by
21References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2010 |
| Grant date | May 21, 2013 |
| Priority date | — |
| Expiry date | Jul 23, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/62
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A multi-speed hybrid transmission includes a main gearset connected to a vehicle gas combustible engine and providing torque to an output shaft. The transmission also includes an electric drive unit comprising an electric motor that is selectably connectable to the output shaft to provide additional torque to the output shaft. When connected to the output shaft, the electric drive unit improves vehicle performance under certain driving conditions (e.g., high boost in low gear or in upper gears) while also improving fuel efficiency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.