Drive unit for a hybrid vehicle
US10017040B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2014 |
| Grant date | Jul 10, 2018 |
| Priority date | — |
| Expiry date | Aug 16, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S903/915
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A drive unit for a hybrid-vehicle to realize a variety of drive modes for covering various running conditions. A first planetary gear unit is included of a first carrier, a first sun gear, and a first ring gear. A second planetary gear unit is included of a second carrier, a second sun gear, and a second ring gear. A first clutch connects the engine selectively with the first carrier. A first motor is connected with the first sun gear, the second motor is connected with the second sun gear, and the first ring gear and the second ring gear are individually connected with an output member. The drive unit is with a second clutch for connecting the first carrier selectively with the second sun gear. In the drive unit, a reverse stage fixing-mode to propel the vehicle backwardly while changes the output member speed in accordance with the engine speed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.