午夜嘿嘿嘿影院_自拍少妇综合在线观看_波多野结衣喷水最猛一部_亚洲午夜一区二区在线观看_先锋影音国产在线_又大又黄又爽视频免费_4d玉蒲团奶水都喷出来了_老外一级毛片免费看_24国产欧美亚洲精品第二页_国产精品无码久久忘忧草

Contact Us

Waterproof Cooling Fan of the history of development

Date: 2015-12-30   Click: 1527 Times

"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. Mechanical roof fan originated, in 1830, a man named James Byron was inspired by American watches from the structure, the invention can be mounted on a ceiling, with a spring-driven mechanical fan. This "Waterproof Cooling Fan" cool slowly rotating blades brings people feel happy, but have climbed the ladder to the winding, very troublesome. By the magnet, "Waterproof Cooling Fan" fan and shaft composition; stators: There silicon steel sheet, coil and bearing components; control circuit: IC induced by the magnet N. S. Pole circuit control via its coil is turned on and generates an internal excitation of the rotor to rotate. Type: axial fans, DC fans.

Back to: Industry news

+86-0769-83660708

Home Product News Contact