Travel drive system for hybrid vehicle and method using same
US8020461B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2007 |
| Grant date | Sep 20, 2011 |
| Priority date | — |
| Expiry date | Jun 9, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/19307
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A travel drive system for a hybrid vehicle includes a thermal engine with an engine output shaft carrying a clutch, a driven shaft connected to said clutch and linked to a speed variation means, at least one electric machine with a rotor, and a motion transmission chain between speed variation means and wheels of the vehicle, said chain comprising an output shaft for the speed variation means and a motive axle connected to said output shaft. The system includes a disengageable coupling between one of the elements of the transmission chain and rotor of electric machine, and another disengageable coupling between output shaft of thermal engine and said rotor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.