Variable-length control flap for a variable intake manifold

摘要

Control flap (18) for regulating the air supply in a switching intake manifold (2) for an internal combustion engine, which has at least one intake manifold channel (5) through which a rotatably mounted shaft (20) extends in a fastening area, the control flap (18) for regulating the air supply, depending on the operating state of the internal combustion engine, can be fastened in a rotationally fixed manner on the shaft (20), an axially extending push-on area with end bearing journals (32) for fastening in the fastening area of the switching suction tube (2) and with a wing area extending at least on one side transversely to the push-on area is provided, characterized in that the control flap (18) is variable in length in the direction of the bearing journal axis, at least when installed in the fastening region, and in that the control flap has two end pieces (34) spaced apart from one another by a gap, which comprise outside bearing journals (32) and from one Bearing material exist, and d ass a filling component (30) is arranged in the intermediate space.