| 摘要 |
A brake system having a master brake cylinder embodied as an electrohydraulic followup booster, this cylinder communicates with a brake pedal via a piston rod. The piston rod acts upon a master cylinder piston, which in turn puts a brake chamber under brake pressure. As a result, brake fluid flows via brake lines to various wheel brake cylinders. The master cylinder piston is also assigned a servo piston chamber, which communicates via a control element with a device for supplying servo brake fluid. This control element is controlled via a travel transducer that detects the motion of the piston rod. Additionally, however, the master cylinder piston is assigned a travel transducer which independently of the motion of the piston rod detects the actual motion of the master cylinder piston, and by way of which the control element is likewise triggered for the servo brake fluid, via an electronic unit.
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