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[Author] Takashi SHIGEMORI(1hit)

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  • Characteristics of Flat Commutator on DC Motor for Automotive Fuel Pump

    Takashi SHIGEMORI  Koichiro SAWA  

     
    PAPER-New Technology and Automotive Applications

      Vol:
    E87-C No:8
      Page(s):
    1255-1260

    Automotive fuel pumps are driven by small DC motor. Commutation is carried out in gasoline, and arc voltage and duration are different from that in air. Our laboratory have analyzed commutation phenomenon in gasoline quantitatively and we have considered brush materials. To develop high power motor, we need to examine materials that are less arc abrasion and good sliding condition. In this research, we attend to characteristics of flat carbon commutator. As a result, it is possible to drive longer time, like established cylindrical copper commutator.