Patent ID: 6955186

Claim:
An electromagnetic dual-action control valve ( 1 ) having a valve housing ( 2 ), with at least one magnetic solenoid ( 3 ) arranged in the valve housing, with two armatures ( 4 , 5 ) arranged coaxially to one another, with respective restoring springs ( 6 , 7 ) associated with each of the two armatures ( 4 , 5 ), with line connections ( 15 , 16 , 17 ) for lines carrying a pressure medium and with sealing surfaces on the two armatures ( 4 , 5 ) that can be moved by magnetic force so as to close or open the line connections ( 15 , 16 , 17 ), wherein a first one of the two armatures is formed as a hollow armature ( 4 ) with a closed end face ( 11 ), inside the hollow armature ( 4 ) which is arranged an inner armature ( 5 ) which can move coaxially thereto, and the hollow armature ( 4 ) has at least first and second openings ( 20 , 21 ) for the pressure medium, of which the first opening ( 21 ) can be closed by a sealing surface ( 13 ) of the inner armature ( 5 ).