MASTER CYLINDER, IN PARTICULAR FOR A CONTROLLED BRAKE SYSTEM

摘要

The invention relates to a master cylinder, in particular for a controlled brake system, comprising at least one piston (46), which can be moved in a housing (2) and which is sealed with respect to a pressure chamber (7, 8) by means of a sealing element (5, 6) arranged in an annular groove (23, 24) of the housing (2), which can be connected to a supply chamber (11, 12) by means of control passages (51; 52; 53) formed in the piston (46). According to the invention, the piston (46) comprises at least two parts, having a main body (47) and an annular control element (48; 49; 50), wherein the control passages (51; 52; 53) are provided in the control element (48; 49; 50).