Vehicle drive apparatus
US8522924B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2010 |
| Grant date | Sep 3, 2013 |
| Priority date | — |
| Expiry date | Jan 2, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2186
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A vehicle drive apparatus includes a case main body portion accommodating the speed change mechanism; supply oil passages that are formed in the case main body portion and supply pressure oil to the speed change mechanism; a connection case portion connecting the engine and the case main body portion; a mechanical oil pump positioned in a connection region between the case main body portion and the connection case portion and having an inlet oil passage and an outlet oil passage which are connected to the supply oil passage; an electric oil pump capable of supplying pressure oil to the supply oil passages in parallel with the mechanical oil pump; and connection oil passages that are provided in the connection case portion and allow an inlet oil passage and an outlet oil passage of the electric oil pump to communicate with the supply oil passages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.