Power transmission device for a motor vehicle and method for using said device
US7824306B2 · kind B2 · utility
1Cited by
7References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 8, 2005 |
| Grant date | Nov 2, 2010 |
| Priority date | — |
| Expiry date | Nov 1, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/62
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The invention mainly relates to a power transmission device (1) between an internal combustion engine (2) and vehicle wheels (3) consisting of a pair of electrical machines (4.1, 4.2) and a mechanical assembly (90), wherein said assembly (90) comprises at least two epicycloidal trains (5, 9) each of which is provided with three mutually engageable elements. According to said invention, a switching device (23.1) comprises means (23, 28) for simultaneously connecting the machine shaft (11) to two other elements (11.1, 11.2) of the mechanical assembly (90) during switching between two operating modes of the transmission device (1).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.