Brushless motor

Details Brushless motor Brushless motor

1989-11-02

1992-03-31

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 46, 310156, H02K 112

Patent

active

051011310

ABSTRACT:
A brushless motor includes a rotor having a multipolar magnet with n-number of magnetic poles and a stator yoke having a plurality of field coils disposed at a position opposing the multipolar magnet. The stator yoke of the brushless motor is provided with a magnetic-resistance varying portion to improve the smoothness of rotation of the rotor.

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Nobuyoshi Yokobori, Minoru Koda and Kazumi Iwasaki, "Direct-Drive Capstan Motor for VHS VTRs", National Technical Report, vol. 28, No. 3, Jun. 1982.

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