subject: Why Should We Buy Electric Fans [print this page] Mechanical fans made their first appearance in the 1500s as canvas covered frames called punkahs that were hung from ceilings. To create a cooling effect, there were ropes connected to the frame that servants pulled, making the fan move back and forth. Belt driven fans that were powered by factory waterwheels were produced during the 1800s.
The electric fans were invented after the electricity power was discovered. The fans also played an important role in decorating the room. They were able to perform this particular task as they were functional and stylish. Before the year 1920, these fans were not produced in large numbers.
As the year 1960 approached the sale of these fans became low. The reason which led to this situation is the invention of the air conditioners. Soon, these fans again gained back their original position in the market and are commonly used in Asia and Europe.
For the purpose of spot cooling, these electric fans work as a supplementary. If we compare these fans with the air conditioners, they are much more energy efficient than them. The other functions that are performed by these fans are exhaustion, ventilation and many more.
The method fans are used for climate control and are utilized for the purpose of providing comfort. In these particular types of fans, the air is moved parallel to the blades and they start rotating and results in giving cool air. There are different types of applications used in the axial fans for making it work.
An electric fan's basic components include the base, fan blade, armature and lead wires, motor, blade guard, motor housing, and oscillator gearbox and oscillator shaft. The rating of an electric fan is determined by the types, size and number of blades. The materials from which the fan's components are made determine the price.
