Infinitely variable power branching transmission with two operating modes
US7220199B2 · kind B2 · utility
4Cited by
14References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2002 |
| Grant date | May 22, 2007 |
| Priority date | — |
| Expiry date | Apr 5, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S903/911
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An infinitely variable power branching transmission with first and second operating modes, whereof the components are distributed between two power paths connecting in parallel an engine to vehicle wheels. At least two planetary trains, two electrical machines, a reduction stage, and a control orient differently the power between the transmission input and output based on the operating mode thereof. Two reduction stages are arranged in parallel between the two planetary trains on the same power path, the two reduction stages being respectively urged in the first and in the second operating transmission mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.