Power transmission apparatus of hybrid electric vehicle
US10933734B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 15, 2019 |
| Grant date | Mar 2, 2021 |
| Priority date | — |
| Expiry date | Aug 8, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/62
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A power transmission apparatus of a hybrid electric vehicle, may include an engine and first and second motor/generator, the power transmission apparatus includes a planetary gear set including first, second, and third rotation elements, a first shaft fixedly connected to the first rotation element and a rotor of the first motor/generator, a second shaft fixedly connected to the second rotation element and the engine, a third shaft fixedly connected to the third rotation element, a fourth shaft externally meshed with the second shaft and the third shaft, a fifth shaft fixedly connected to a rotor of the second motor/generator, a sixth shaft externally meshed with the fourth shaft and the fifth shaft and transmitting rotational power of the engine and the first and second motor/generators to a final reduction gear of a differential gear and three gear trains externally engaged with the first to sixth shafts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.