Fuel injection valve for internal combustion engines

A fuel injection valve for the intermittent injection of fuel into the combustion chamber of an internal combustion engine, comprising:

• a housing;
• a valve-seat element provided with injection ports;
• an injection-valve member, installed in the housing so as to be longitudinally displaceable for the closing or opening of the injection ports;
• a control device for controlling the movement of the injection-valve member,
• wherein the control device comprises a control piston arranged to be longitudinally displaceable and operatively connected to the injection-valve member and subject to a fuel system pressure from a high-pressure supply conduit and by a fuel control pressure in a control chamber, the control chamber being connected to the high-pressure supply conduit via at least a first control port, and the control pressure in the control chamber being controllable by the opening or closing of at least one second control port,
• the control device including an electrically actuatable actuating element which has a pilot-valve stem which is longitudinally movable and in a closed position closes off the at least one second control port, and means for controlling a time history of the opening movement of the pilot-valve stem after the actuation of the actuating element to thereby control the time history of the opening movement of the injector valve member.