看全色黄大色黄大片_伊人网在线免费观看_殴美伊人色综合久久天天_黄页大全免费_亚洲欧美另类激情综合小说_中文字幕有码第一页在线_18禁男女污污污午夜网站免费_精品少妇爆乳无码av网站_99精品国产高清一区二区三区香蕉_欧美在线一二三级

Contact Us

Green Waterproof Cooling Fan

Date: 2015-9-15   Click: 1511 Times

Origin "Waterproof Cooling Fan" of
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 "Waterproof Cooling Fan". This fan blades rotate slowly bring cool people feel happy, but have to climb the ladder to the winding, very troublesome. In 1872, a man named Joseph, of the French people and developed a turbo start by clockwork, gear drive chain means mechanical fan, this fan than mechanical fan Byron invention more sophisticated, use is also convenient. In 1880, the first time the Americans Shule blade mounted directly on the motor, connect the power supply, the rapid rotation of the blades, cool breeze blowing, which is the world's first fan.
"Waterproof Cooling Fan" is mainly composed of four parts
Rotor: the magnet, the blade and the shaft composition;
Stator: from silicon, spools and bearing components;
Control circuit: IC induced by a magnet;
S. pole circuit control via its coil is turned on and generates an internal excitation of the rotor to rotate.

Back to: Industry news

+86-0769-83660708

Home Product News Contact