Cooling fan

A cooling fan (10), comprising a fan propeller (18) that is driven by an electric motor (16), wherein said electric motor is fixedly connected to a frame (12) by means of connecting elements (14, 22, 24, 34, 72), wherein the frame (12) surrounds fan blades (40) of the fan propeller (18) on an outer periphery, said frame (12) being connected to an electronic control unit (20) for the electric motor (6) by means of one of said connecting elements (22, 24), wherein the connecting elements (14, 22, 24, 34, 72) comprise an impeller (14), said impeller (14) having vanes (22, 24) spaced from one another about a periphery of said impeller (14), wherein said vanes (22, 24) are fixedly connected with the frame (12) on a circumference (21) and with a securing ring (34), said electric motor (16) being attached to said securing ring (34), and wherein the control unit (20) is disposed and removably secured between two neighboring struts (22, 24), wherein the electric motor (16) and the control unit (20) are connected by means of only one interface (30) with a motor vehicle, and wherein lines (60, 62, 64) to a cable (76) clustered along the circumference (32) of the frame (12) are guided from the interface (30) to the control unit (20), wherein said supply lines (66, 68) lead from said control unit (20) to said electric motor (16).