Hydraulische Bremsanlage

摘要

The invention proposes a hydraulic braking system, the brake pressure generator (1) of which has a compensating chamber (77) connected to the pressure chamber (7, 79) via a central valve. The compression rod piston (82) in the compensating chamber (77) has an effective area which is loaded with pressure from the compensating chamber (77) to apply extra force on the compression rod piston (82). The preloading pumps (19) can therefore be used multifunctionally: on the one hand, they can provide the necessary amount of pressure in cases when brake pressure must be built-up in the braking circuits (1, 11) without a pedal being activated. On the other hand they can provide pressure in the compensating chamber (77) when a pedal is activated so as to increase the force of the pedal. This can be uncontrolled, namely in all cases when specific signals establish that the driver would like to brake quickly. It can also be controlled, however, when, for example, pressure at the exit to the preloading pump (19) is adjusted in line with or just below the level of pressure in the main brake cylinder.