Brake device for a vehicle with an electric parking brake system and corresponding control method

A technology of braking equipment and braking devices, applied in the direction of braking control systems, manual starting devices, automatic starting devices, etc., can solve the problems of insufficient deceleration and impracticable braking effect, etc., to reduce losses and loads Effect
CN1989034AActive Publication Date: 2007-06-27CONTINENTAL AUTOMOTIVE SYST SHANGHAI
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
CONTINENTAL AUTOMOTIVE SYST SHANGHAI
Publication Date
2007-06-27

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Abstract

The invention relates to a brake device for a vehicle comprising a hydraulic service brake system with a power supply unit, which builds up a brake pressure inside a brake master cylinder of the service brake system according to a pressure demand, this brake pressure being transferred to at least one wheel brake, and comprising an electric parking brake system. The inventive brake device is characterized in that during the operation of the service brake system, a control unit verifies whether a defect exists in the service brake system on the basis of a comparison of the pressure demand with the brake pressure in at least one wheel brake and / or on the basis of a comparison between a recorded vehicle acceleration and an acceleration of the vehicle expected due to the pressure demand, and that the control unit activates the electric parking brake system when the existence of a defect is established. The invention also relates to a method for controlling the brake system of a vehicle.
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Description

technical field

[0001] The invention relates to a braking system for a vehicle comprising a hydraulic service brake system with an energy supply unit which establishes a braking system according to the pressure requirements inside the master brake cylinder of the service brake system. Dynamic pressure, the brake pressure is transmitted to at least one wheel brake, the brake system also includes an electric parking brake device.

[0002] Furthermore, the invention relates to a method for controlling a brake system of a vehicle, wherein a brake pressure is built up in a master brake cylinder of a hydraulic service brake system according to a pressure requirement and is transmitted to at least one wheel brakes. Background technique

[0003] Motor vehicles are usually equipped with hydraulic service brake systems, in which brake pressure is built up inside the hydraulic medium in the master cylinder and transmitted to the brake cylinders of the wheel brakes, which are passed th...

Claims

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