Air flow controlling device for cooling internal combustion engine, has cover unit partially and selectively openable for providing air outlet, where cover unit comprises movable flaps that are arranged in perpendicular manner

摘要

The device has a fan unit that is arranged over a part of a heat exchange surface of a heat exchanger. A cover unit (5) is arranged over another part of the heat exchange surface. The cover unit is partially and selectively openable for providing an air outlet. The cover unit comprises a set of movable flaps (6a, 6b, 6c, 6d) that are arranged in a perpendicular manner. An exhaust arrangement is arranged in the fan unit.