APPARATUS FOR GENERATING OPERATING SOUND OF A VEHICLE

摘要

PURPOSE: A device for generating vehicle operation sound is provided to install the device on a radiator fan, thereby applying the device to the existing vehicles with reducing the cost for manufacturing and installation. CONSTITUTION: A fan is operated by motor. The fan includes a plurality of blades(20). A controller controls the operation of the motor. A file(30) is installed on at least one or more blades. One end of the film is fixed to an edge side of the blade. The other end of the film is free end. The fan can rotate in both directions. A controller rotates the fan in one direction when the vehicle speed is less than a predefined speed. The controller rotates the fan in another direction when the vehicle speed is over the predefined speed.