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Brushless motor

  • US 20020093259A1
  • Filed: 01/11/2002
  • Published: 07/18/2002
  • Est. Priority Date: 01/16/2001
  • Status: Active Grant
First Claim
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1. A brushless motor comprising:

  • a stator comprising a plurality of exciting coils which receives drive current;

    a rotor rotatable relative to the stator;

    a first circuit section comprising a filter circuit for eliminating surges of electric power for the drive current, the first circuit section being produced on a wiring metal piece;

    a second circuit section comprising a control circuit for controlling the magnetic field generated by the stator by controlling the drive current, the second circuit section being produced on a printed wiring board; and

    a fuse member electrically connecting the wiring metal piece of the first circuit section and a wiring pattern formed on the printed wiring board of the second circuit section, the fuse member electrically disconnecting the wiring metal piece and the wiring pattern when a temperature of the wiring pattern becomes higher than a predetermined temperature.

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