Speaking of "Waterproof Cooling Fan", we have to mention that the fan works and its core "bearing" Often fan is mainly composed of two parts of the stator and the rotor, the stator comprising main circuit, bearings, coils. The main rotor blades containing magnets and the shaft. Currently in the computer "Waterproof Cooling Fan" piece bearings are mainly divided into two categories: oil shafts, ball. Both bearings will have a very good representative of the product, of course, each have their own shortcomings, it can not be denied. "Waterproof Cooling Fan" means a hot day so as to take cold wind fan utensils, electric drive is a device to generate airflow, fan energize within the configuration later to rotate into the wind to achieve natural shade effect.