| 摘要 |
Air purifier containing an air blower and a rotating brush, such brush having long flexible bristles made of a material that is capable of developing negative triboelectric charge. During a part of the rotation cycle, the bristles move across a surface that can accumulate a positive charge. This cause the bristle to charge negatively. The air impurities are attracted to negatively charged bristles and discharged into a collecting bin.
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