Vehicular electric drive apparatus
US9303698B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 26, 2011 |
| Grant date | Apr 5, 2016 |
| Priority date | — |
| Expiry date | Nov 26, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/72
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A vehicular electric drive system includes: an electric motor operatively connected to drive wheels; a hydraulically operated clutch disposed in a power transmitting path between the electric motor and the drive wheels; a gear mechanism disposed between the hydraulically operated clutch and the drive wheels; a first chamber accommodating the electric motor and the hydraulically operated clutch; a second chamber accommodating the gear mechanism; a partition wall disposed so as to isolate the first chamber and the second chamber from each other; a connecting hole formed on the partition wall; an oil seal fitted in the connecting hole; an oil pump provided to deliver the oil required within the first chamber; and a splash type lubricating mechanism provided to supply the oil to the second chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.