| 摘要 |
A device for altering a flow cross-section of an air passage opening (16) in a motor vehicle, for altering an air mass flow rate to a motor vehicle unit, such as a cooler, the device comprising a device frame (12) having the air passage opening (16), further comprising at least two substantially rigid shutter components (22), which are adjustable with respect to the device frame (12) between at least two different relative positions in which they cover the air passage opening (16) to different extents, and comprising a drive for providing a driving force for the relative movement of the shutter components (22) with respect to the device frame (12), is characterised in that at least two shutter components (22), which are directly adjacent in the direction of relative movement, are interconnected so as to be pivotable with respect to one another about a shutter pivot axle (24).
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