"220V Cooling Fan" motors convert electrical energy into kinetic energy is an important component. In various applications, especially electronic products cooled applications, brush less DC motors (DC brush less motor) has become a mainstream choice. The difference between conventional motor is brush less "220V Cooling Fan" motor no-contact brush structure, it is not necessary to maintain the structure, there is almost no friction and wear problems; and brush less motor also has a high efficiency, low noise and easy control advantages. Brush less motor is usually located inside the blade, less susceptible to poor working conditions and high temperatures outside, the impact of dust on the exterior nor external projection structure, "220V Cooling Fan" design is more compact compared with conventional motors, small and so on.