Chassis dynamometer for testing a vehicle in a wind tunnel

摘要

A chassis dynamometer (10) for testing a vehicle (12) in a wind tunnel (44) comprises a supporting frame (16) and at least one roller assembly (20, 22) with at least one roller (24, 24', 26, 26'). The latter is rotatably mounted on the supporting frame (16) for engaging at least one driving wheel of the vehicle (12). In accordance with an important aspect of the present invention, a road simulating moving belt (38) extends between the wheels of the vehicle (12) at least from the front end of the vehicle (12) to the rear end of the vehicle (12).