Motor vehicle drive arrangement
US7421928B2 · kind B2 · utility
14Cited by
9References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 20, 2005 |
| Grant date | Sep 9, 2008 |
| Priority date | — |
| Expiry date | Jul 16, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2186
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In a motor vehicle drive arrangement having an electric motor with a rotor for driving an oil pump and being supported in an air space of a housing by a rotor disk of the rotor of the electric motor which is permanently connected to a pump rotor of the oil pump, a freewheeling mechanism for a mechanical drive of the pump rotor of the oil pump is provided for coupling the oil pump to a vehicle travel drive train of the vehicle drive arrangement when the travel drive train rotates faster than the electric motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.