Brushless dc motor

Details Brushless dc motor Brushless dc motor

H - Electricity

02

K

310/78

H02K 29/08 (2006.01)

Patent

CA 1106892

S0989 S78P3 ABSTRACT OF THE DISCLOSURE In a brushless DC motor, the rotor has a rotor shaft with a rotor yoke attached thereto and an annular rotor magnet mounted on the rotor yoke, the stator has a stator yoke with stator coils disposed on the stator yoke so as to face the rotor magnet, and two magnetic field sensing elements, such as, Hall elements, are provided for detecting the rotational position of the rotor. A printed wiring board and the stator coils are arranged on the same surface of the stator yoke so as to make the motor flat. The printed wiring board also serves as a thrust pad for the rotor shaft and provides a ground for the latter.

294486

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