Driving force controlling apparatus and method for four-wheel drive vehicle
US6580994B2 · kind B2 · utility
17Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2002 |
| Grant date | Jun 17, 2003 |
| Priority date | — |
| Expiry date | Jun 19, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2500/70404
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
In driving force controlling apparatus and method for a four-wheel drive vehicle, a command is outputted to a front-and-rear wheel driving force distribution control system to reduce a clutch engagement force of a clutch such as a frictional clutch when a subtraction value of a detected value of a clutch transmission torque from that of a clutch input torque (Tinp−Tr) is smaller than a predetermined value (&dgr;) and detected wheel velocities of both of left and right road wheels of the vehicle are substantially equal to each other (Vw1±&agr;=Vw2 and Vw3±&agr;=Vw4).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.