Global warming-up every day, it's essential to the power of human life. An electric fan that we use in everyday life. In addition, it will help keep heat from the air vents. The principle of the electric fan is also a part of the cooling system which is used in household appliances until the cooling system in large power plant industry, the world's first machine caused by the invention of the American choiloe Wheeler, engineers at end check box.Rasueksa College of Sciences from Colombia The components and the main components of the fan is divided into four major sections, namely blades and grille cover blades. Electric motor control and mechanism switches that cause the fan to stop rotating the staggering back to the or fan only works when power on and when I press the button select the speed according to the air force, or that users need. Therefore, electricity flowing into the motor. Make axis motor rotor stuck with mun axis will rotate along with birth, the wind blows out.
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