COOLING FAN FOR AUTOMOTIVE VEHICLES

摘要

PURPOSE: A cooling fan for a vehicle is provided to efficiently and uniformly cool multiple heat exchangers by increasing the suction efficiency of air. CONSTITUTION: A cooling fan for a vehicle comprises a central hub(5), multiple blades(7), and multiple sirocco fan type auxiliary blades(20). The shaft(10a) of a fan motor(10) is fixed to the hub. The blades are installed in the edge of the hub. The sirocco fan type auxiliary blades are installed in the hub to be parallel to the flowing direction of air and are integrally rotated with the hub. The sirocco fan type auxiliary blades have a specific curvature toward the rotation direction of the hub.