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風(fēng)力變小是電機(jī)那塊繞組有斷路的地方造成的，無(wú)錫風(fēng)力風(fēng)機(jī)制造有限公司電阻絲發(fā)出熱量不能及時(shí)排除，所以很燙 ...可能軸承松動(dòng)了,使轉(zhuǎn)子碰殼,這樣的話就要拆開換軸承了　無(wú)動(dòng)力風(fēng)機(jī)是利用自然界的自然風(fēng)速推動(dòng)風(fēng)機(jī)的渦輪旋轉(zhuǎn)及室內(nèi)外空氣對(duì)流的原理，將任何平行方向的空氣流動(dòng)，加速并轉(zhuǎn)變?yōu)橛上露洗怪钡目諝饬鲃?dòng)，以提高室內(nèi)通風(fēng)換氣效果的一種裝置。該風(fēng)機(jī)不用電，無(wú)躁音，可長(zhǎng)期運(yùn)轉(zhuǎn)。其根據(jù)空氣自  無(wú)動(dòng)力風(fēng)機(jī)然規(guī)律和氣流流動(dòng)原理，合理化設(shè)置在屋面的頂部，能迅速排出室內(nèi)的熱氣和污濁氣體，改善室內(nèi)環(huán)境。渦輪通風(fēng)機(jī)是利用自然風(fēng)力及室內(nèi)外溫度差造成的空氣熱對(duì)流，推動(dòng)渦輪旋轉(zhuǎn)從而利用離心力和負(fù)壓效應(yīng)將室內(nèi)不新鮮的熱空氣排出。（圖/文http://qianjiadong.com.cn/）
（中譯英）
The wind is smaller that block motor windings are open circuit where it caused, the resistance wire heating can not be eliminated in time, so it is very hot... May loose bearing, so that the rotor shell, it will open for bearing unpowered fan is to use natural wind driven fan rotation of the turbine and interior external air convection principles, will either parallel to the direction of the air flow from bottom to top, accelerate and change the vertical air flow, so as to improve the indoor ventilation effect of a device. The fan is not electricity, no noise, long term operation. Based on the air since no fan power natural laws and air flow principle, reasonable positioned on the roof top, can quickly discharge the indoor hot and dirty gas, improve indoor environment. Turbine fan is to use natural wind and indoor and outdoor temperature difference caused by air convection, pushes the turbine to rotate thereby utilizing the centrifugal force and the negative effect of indoor fresh hot air exhaust.