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    • 9. 发明公开
    • 카본 브러시
    • 碳刷
    • KR1020060079203A
    • 2006-07-05
    • KR1020067004422
    • 2003-09-05
    • 도요탄소 가부시키가이샤
    • 시라카와히데노리가가와요시카즈마에다다카시사코다다카히로
    • H02K13/00H01R39/26
    • A first carbon brush which comprises a graphite powder as a filler having a particle diameter distribution curve as determined by the laser diffraction method wherein an integrated value for the number of graphite particles having a particle diameter of 5 mum or less accounts for 10 % or less of the total particles, preferably 5 % or less; a second carbon brush which is the first carbon brush further wherein an integrated value for the number of graphite particles having a particle diameter of 100 mum or more accounts for 10 % or less; a third carbon brush which is the second carbon brush further wherein an integrated value for the number of graphite particles having a particle diameter of 10 to 40 mum accounts for 60 % or more; a forth carbon brush which is the third carbon brush further wherein an integrated value for the number of graphite particles having a particle diameter of 12 to 20 mum accounts for 40 % or more.
    • 一种第一碳刷,其包括通过激光衍射法测定的具有粒径分布曲线的填料的石墨粉末,其中粒径为5μm以下的石墨颗粒的数量的积分值为10%以下 的总颗粒,优选为5%以下; 第二碳刷,其是第一碳刷,其中粒径为100μm以上的石墨粒子的数量的积分值为10%以下; 作为第二碳刷的第三碳刷,其中,粒径为10〜40μm的石墨粒子的数量的积分值为60%以上; 作为第三碳刷的第四碳刷,其中粒径为12〜20μm的石墨粒子的数量的积分值为40%以上。