Patent ID: 6199957
Filing Date: 2001-03-13
Classification: B60T

Abstract:
A device for controlling an electro-hydraulic brake system of a vehicle having wheels, a battery, an alternator for charging the battery, and the electro-hydraulic brake system adapted to be energized by the battery and including wheel cylinders, a brake pedal, electric control means, a pump adapted to operate under a control of the electric control means for pressurizing a brake fluid, and on-off valves adapted to operate under a control of the electric control means for selectively supplying the brake fluid pressurized by the pump to each of the wheel cylinders, the device comprising:means for detecting if the battery is normally operating;wherein the electric control means control the operation of the pump and the on-off valves such that the pressure of the brake fluid supplied to the wheel cylinders is restricted not to be higher than a first predetermined medium pressure value when the battery detection means detect that the battery is not normally operating.