Fan equipment is a product of the times. It is set up in the space for air supply and discharge and electricity consumption. It evolves with the continuous construction needs of the building, and evolves under the demands of human comfort. From the historical and regional development, we can know that as early as the ancient Greek period to the tenth century in the Chinese and Western cultures, the wind energy through the windmill was converted into mechanical energy as the needs of life such as rolling the valley and irrigation. After the Industrial Revolution, from the 18th to the 19th century, the era of steam power, iron and steel and electricity consumption was opened up. In turn, the application of the fan opened the prelude.
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