Abstract: The present invention relates to a valve device (13) for controlling a gas flow in a fresh air system (6) of an internal combustion engine (2), in particular of a motor vehicle, with a housing (17) which encloses at least one duct section (19) through which the gas flow (14) can pass transversely to the main flow direction (18), with at least one flap (15) which can be rotated about an axis of rotation (21) which runs transversely with respect to the main flow direction (18) in the duct section (19). In order to improve the fail-safety of the valve device (13), at least one rotary frame (24) is provided, which can be rotated about an axis of rotation (25) which runs transversely with respect to the main flow direction (18) in the duct section (19) and has a frame opening (26) through which the gas flow (14) can pass.

Abstract: The present invention relates to an electromagnetic actuator drive (1) for adjusting an actuator drive among at least three positions, comprising a soft magnetic armature (2) which is drive-coupled to the final controlling element and has a plurality of armature faces (5, 6), a plurality of soft magnetic pole elements (7) having a plurality of pole faces (8, 9) on which the armature faces (5, 6) come to rest in two end positions of the armature (2) a restore position (10) which drives the armature (2) by spring force into a horizontal starting position, and a holding device (11) with the help of which the armature (2) can be secured in its end positions by electromagnetic forces.