Brushless DC motor has two sensor-driver elements which detect pole phase of motor rotor magnet group, so that motor coils are excited alternately

摘要

The motor has two sensor/driver elements (21,21a), two motor coils (22,22a). The two sensor/driver elements both detect the pole phase of the group of magnets of the motor rotor, so that the motor coils are alternately excited, and the motor rotor is rotated. The two sensor/driver elements are mounted on a circuit board is attached to a base section of the motor rotor.