Method and apparatus for controlling the brake system of a vehicle
First Claim
1. Method for distributing braking force between a front axle and a rear axle of a motor vehicle having a brake system with brakes at each axle, said method comprisingdetermining the difference between the speed of a front wheel and the speed of a rear wheel,comparing said difference to a predetermined threshold, andreleasing brake pressure at the rear axle brakes when said difference exceeds said predetermined threshold,wherein said brake system includes a return pump for pumping a pressure medium from said rear axle brakes to a reservoir, said method further comprising keeping said pump turned off during release of said brake pressure.
1 Assignment
0 Petitions
Accused Products
Abstract
For the distribution of the braking force between the front and rear axles, pressure is released in the rear-axle brakes when a predefined speed difference between a front wheel and a rear wheel is exceeded.
-
Citations
8 Claims
-
1. Method for distributing braking force between a front axle and a rear axle of a motor vehicle having a brake system with brakes at each axle, said method comprising
determining the difference between the speed of a front wheel and the speed of a rear wheel, comparing said difference to a predetermined threshold, and releasing brake pressure at the rear axle brakes when said difference exceeds said predetermined threshold, wherein said brake system includes a return pump for pumping a pressure medium from said rear axle brakes to a reservoir, said method further comprising keeping said pump turned off during release of said brake pressure.
-
2. Method for distributing braking force between a front axle and a rear axle of a motor vehicle having a brake system with brakes at each axle, said method comprising
determining the difference between the speed of a front wheel and the speed of a rear wheel, comparing said difference to a predetermined threshold, and releasing brake pressure at the rear axle brakes when said difference exceeds said predetermined threshold, wherein said predetermined threshold is a second threshold, said method further comprising keeping brake pressure at the rear axle brakes constant when said difference exceeds a predetermined first threshold which is smaller than said second threshold.
-
5. Method for distributing braking force between a front axle and a rear axle of a motor vehicle having a brake system with brakes at each axle, said method comprising
determining the difference between the speed of a front wheel and the speed of a rear wheel, comparing said difference to a predetermined threshold, and releasing brake pressure at the rear axle brakes when said difference exceeds said predetermined threshold, wherein said brake system includes a return pump for pumping a pressure medium from said rear axle brakes to a reservoir, said method further comprising actuating said pump for a predetermined period of time following release of said brake pressure.
Specification