What is a Radiator Fan Motor?
A Radiator Fan Motor is a fan for a radiator of a motor driven vehicle. It comprises of two fan impellers having respective belt pulleys, the fan impellers having respective axes of rotation arranged parallel to one anothe, and the respective belt pulleys being coupled to one another by a common belt. An electric motor for driving the common belt; a fluid friction clutch for driving one of the two fan impellers, a fluid friction clutch being driven via a first overrunning clutch by the vehicle motor and a second overrunning clutch. This is arranged between the electric motor and its respective belt pulley; wherein electric motor is coaxial with one of the two fan impellers and wherein the other fan impeller is coaxial with the fluid friction clutch.