Brushless DC motor, pump, and electronic apparatus

Details Brushless DC motor, pump, and electronic apparatus Brushless DC motor, pump, and electronic apparatus

2005-02-15

2005-02-15

Le, Dang (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S06700R

Reexamination Certificate

active

06856054

ABSTRACT:
A brushless DC motor includes a substrate fixed to the center of a stator core. The substrate includes a central substrate portion and an arm substrate portion extending from the central substrate to a salient pole. The arm substrate is accommodated between coils. A driver IC is mounted on the central substrate portion, and a magnetic pole position sensor is mounted on the arm substrate portion. This structure provides a thin brushless DC motor which assures good motor performance and stable noise and vibration levels, improves motor efficiency, and reduces the number of components and assembling steps.

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