Motor having characteristic structure in armature and disc...

Details Motor having characteristic structure in armature and disc... Motor having characteristic structure in armature and disc...

2006-01-10

2006-01-10

Lam, Thanh (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S254100, C310S256000, C310S164000, C310S190000, C310S216055, C310S209000

Reexamination Certificate

active

06984914

ABSTRACT:
The invention provides a motor which can reduce a generation of a cogging, has a thin size, and can generate a strong torque. In a motor having an armature including a back yoke formed in a cylindrical shape and a wound coil and a magnet formed in a cylindrical shape and magnetized by a plurality of magnetic poles on a cylindrical circumferential surface, the back yoke forms a convex portion protruding from the back yoke toward the magnet in a current switching portion of the coil. The invention further provided a disc apparatus using the motor mentioned above.

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