Cylinder head for multicylinder direct injecting Otto engine has three holders for ignition devices and fuel injection units, for double ignition o double fuel injection

摘要

For each cylinder, the cylinder head unit has an intake valve (2), an outlet valve (3), first and second holder (7a,b) for an ignition device (8a,b), and a fuel injection unit. A third holder (7c) is for an injection unit (9c) or an ignition device. Intake and outlet valves are actuated by a common offset cam shaft (5) via similar valve actuators (4a,b). The first holder is located mainly parallel to the intake valve, the second holder is mainly parallel to the outlet valve.