All-wheel-drive system interaction with fuel savings operation of a motor vehicle
US9346460B2 · kind B2 · utility
3Cited by
2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 18, 2014 |
| Grant date | May 24, 2016 |
| Priority date | — |
| Expiry date | Jul 25, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S903/93
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A method for controlling vehicle powertrain operation includes activating all-wheel-drive or 4×4-operation provided one of an environmental condition, vehicle use condition and vehicle electrical condition exceeds a corresponding reference, deactivating fuel saving operation provided all-wheel-drive or 4×4-operation is activated, activating fuel saving operation provided none of said conditions indicates need for AWD/4×4-operation, deactivating all-wheel-drive or 4×4-operation provided fuel saving operation is activated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.