Electrohydraulic motor vehicle brake system and method for operating the same

摘要

The invention relates to a technique for operating an electrohydraulic motor vehicle brake system comprising a master cylinder, an electromechanical actuator for generating a hydraulic pressure at a plurality of wheel brakes and a set of electrically actuable valve arrangements. The set of valve arrangements comprises a first valve arrangement between the master cylinder and every wheel brake. The first valve arrangements can be controlled in the multiplex operation to generate, by means of the electromechanical actuator, the respective brake pressure intended for each of the wheel brakes. According to an aspect of this technique, the method comprises the steps of: generating a feedback current during the multiplex operation by operating an electric motor of the electromechanical actuator as a generator and supplying the feedback current to at least one electrical load.

主权项

1. A method for operating an electrohydraulic motor-vehicle brake system which has a master cylinder, an electromechanical actuator for generating a hydraulic pressure at a plurality of wheel brakes, and a set of electrically actuable valve arrangements, the set of valve arrangements each comprising a first valve arrangement between the master cylinder and each wheel brake in order to generate the respective braking pressure intended for each of the wheel brakes by means of the electromechanical actuator, comprising the steps:
generating a regenerative current by operating an electric motor of the electromechanical actuator as a generator; and energising at least one electrical load with the regenerative current, wherein the at least one electrical load comprises at least one valve arrangement from the set of valve arrangements.