Patent ID: 7997075
Filing Date: 2011-08-16
Classification: B60T

Abstract:
1. A master cylinder ( 1 ) for a controlled brake system, comprising a housing, at least one piston ( 3 , 4 ; 53 , 54 ) displaceable in the housing ( 2 ) and sealed from a pressure chamber ( 7 , 8 ) by means of a sealing element ( 5 , 6 ) arranged in an annular groove ( 23 , 24 ) of the housing ( 2 ), said pressure chamber being connectable to an unpressurized supply chamber ( 11 , 12 ) by means of transverse bores ( 9 , 10 ; 50 , 51 ) provided in the piston ( 3 , 4 ; 53 , 54 ), wherein recesses (