The actuator device has two or more coaxially arranged actuators (1-4) with different reaction times separated for producing a lift for controlling a throttle nozzle. The lift is adapted in height and time duration to the requirements of the pre-injection,...

The control valve for an injection system, especially for internal combustion engines, has a casing (20) with a high pressure connection (6) connected to an injection valve and to the control valve, and a valve component (3) installed in the casing and mov...

The control valve, especially for injection valves for internal combustion engines, has a valve casing (1), a valve needle (3) movable in an axial direction and installed in a cylindrical guide (11), and a piston (4) installed in the movable valve needle. ...