Electronically-controlled coupling for all-wheel drive system
US6672420B2 · kind B2 · utility
11Cited by
29References
27Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 20, 2003 |
| Grant date | Jan 6, 2004 |
| Priority date | — |
| Expiry date | May 20, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60K23/0808
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A drive axle for an all-wheel drive vehicle includes an adaptively controlled first hydraulic coupling for providing front-to-rear torque transfer control and a passively controlled second hydraulic coupling for providing side-to-side limited slip and torque biasing control. The drive axle is contained with a common housing and communicates with a tractor control system to actively control actuation of the first hydraulic coupling based on the operating characteristics of the vehicle as detected by suitable sensors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.