Drive device used in a motor vehicle for controlling a stroke of an inlet valve of an internal combustion engine comprises motor with spindle actuating control shaft, and reducing section transferring motor torque to drive cam

摘要

Drive device (10) for actuating a controlled object comprises a motor (20) with a spindle (24), a control shaft (30) actuated by the spindle, a drive cam with an axis of rotation parallel to an axis of the spindle and perpendicular to an axis of the control shaft, and a reducing section (28, 54) for transferring motor torque to the drive cam. Independent claims are also included for alternative drive devices.