Vehicle drive system
US8708855B2 · kind B2 · utility
4Cited by
5References
19Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 10, 2011 |
| Grant date | Apr 29, 2014 |
| Priority date | — |
| Expiry date | Aug 1, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/85986
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A vehicle drive system, including a motor generator; a gear group having a plurality of gears; and a motor cooling circuit for cooling the motor generator. The system further includes a lubricating circuit for lubricating the gear group; a cooler circuit in which an oil cooler is provided; and an oil pump that supplies oil to each circuit. The motor cooling circuit is arranged in series with and downstream of the cooler circuit, and the lubricating circuit is arranged parallel to the cooler circuit with respect to the oil pump.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.