VALVE DRIVE OF AN INTERNAL COMBUSTION ENGINE HAVING AN ADJUSTMENT DEVICE

摘要

A valve drive for controlling gas exchange valves of an internal combustion engine. The valve drive has at least one valve camshaft that is supported within a cylinder head of the engine and that can be moved in rotation by a drive disk and an adjustment device, which has an adjustment motor and a gear train. The adjustment device provides for an axial movement and/or rotation of the valve camshaft relative to the drive disk in a specific manner upon actuation of the adjustment motor and by the intermediately connected gear train in order to vary in a specific manner an actuation of the gas exchange valves that occurs by cams of the valve camshaft. Also, the adjustment motor is placed predominantly or completely within a common chamber with the drive disk.