A fuel injector (1; 101; 201) having a piezoelectric actuator (9; 109; 209), which activates a shutter (6; 106; 206) to move the shutter (6; 106; 206) in a work direction (3; 103; 203) between a closed position and an open position; the piezoelectric actua...

A fuel injector comprising a valve member (12) which is engageable with a valve seating to control fuel delivery from the injector, an actuator arrangement (28) and an amplifier arrangement (34, 62) for transmitting movement of the actuator arrangement to ...

A fuel injector for delivering fuel to a combustion space comprises a valve needle (14) which is movable within a bore (12) provided in a nozzle body (10) and which is engageable with a seating (18) to control the supply of fuel from the bore. The injector...

A device for transferring an actuator (8) movement on to a positioning element (3), includes a transfer/transmission element which forms a working connection between the actuator (8) and the positioning element (3), and establishes a hydraulic chamber (22)...

The fuel injection valve has a valve needle (2) displaced longitudinally in a valve housing for controlling a fuel injection opening, the opening stroke of the valve needle limited by a stop (7) of the valve housing with an opening (22) through which the v...