Hydraulic hybrid four wheel drive
US7549499B2 · kind B2 · utility
10Cited by
22References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 3, 2005 |
| Grant date | Jun 23, 2009 |
| Priority date | — |
| Expiry date | Feb 1, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/62
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An hybrid four wheel drive system characterized by a vehicle having a conventional rear wheel driveline as well as a conventional driving front steer axle powered by an hydraulic motor. The hybrid four wheel drive system is provided in multiple embodiments, particularly with and without an hydraulic pressure accumulator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.