The invention discloses a master brake cylinder for a hydraulic motor vehicle brake system. The invention relates to a master brake cylinder (1), in particular a tandem master brake cylinder for a hydraulic motor vehicle brake system, which is impinged upon preferably by a pneumatic brake booster (2), comprising at least one piston (4, 5) which is displaceable in a housing (3) and has in each case a plurality of follow-up connections (14, 15), said follow-up connections allowing a hydraulic connection between the pressure chamber (6, 7) and a pressureless follow-up chamber (16, 17) at the start of a braking operation. According to the invention, at least some of the follow-up connections (14, 15) are formed as transverse bores through a wall (18) of at least one piston (5) and are arranged at a same distance relative to the piston edge (9) in a main plane (E1), wherein the overtravel thereof by the sealing collar (13) defines a closure path of the piston (5). In order to allow a smooth, quiet and yet sufficiently reliable braking initiation, it is proposed according to the invention that the follow-up connections (15) are arranged in a distributed manner on at least three planes (E1, E2, E3), the planes (E1, E2, E3) being arranged at a distance to one another and in parallel to the piston edge (9).


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    Title :

    Master brake cylinder for a hydraulic motor vehicle brake system


    Contributors:

    Publication date :

    2015-09-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF



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