Drive wheel torque controlling system for vehicle
US5287941A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 16, 1992 |
| Grant date | Feb 22, 1994 |
| Priority date | — |
| Expiry date | Jul 16, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60K23/04
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A drive wheel torque control system for a vehicle includes control means for controlling a variable differential motion limiting device provided between drive wheels to distribute a predetermined LSD torque from a racing drive wheel to a nonracing drive wheel. The control means includes vehicle speed determining means for determining a vehicle speed from a follower wheel spaced, drive wheel speed determining means adapted to select a smaller one of the drive wheel speeds as a drive wheel speed, when the inner-side wheel in turning movement is racing, and to select a larger one of the drive wheel speeds, when the outer-side wheel in turning movement is racing, and torque determining means for determining the LSD torque from the vehicle speed and the drive wheel speed. This ensures that only when the inner wheel is racing, the smaller one of the drive wheel speeds can be selected, and an LSD torque can be distributed to the outer wheel, thereby easily effecting the adjustment of the locus of turning movement of the vehicle when the inner wheel is racing, while properly controlling the behavior of the vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.