Inline electromechanical variable transmission system
US12078231B2 · kind B2 · utility
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283References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2021 |
| Grant date | Sep 3, 2024 |
| Priority date | — |
| Expiry date | Jan 28, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S903/917
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A drive system for a vehicle includes a first electromagnetic device directly coupled to a first planetary gear set and a second electromagnetic device directly coupled to a second planetary gear set. In a first mode of operation, a clutch is engaged to couple the second planetary gear set to the first planetary gear set and a brake is disengaged to allow rotation of the second planetary gear set and in a second mode of operation, the brake is engaged to limit rotation of the second planetary gear set and the clutch is disengaged.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.