Motor

Details Motor Motor

2005-05-24

2005-05-24

Mullins, Burton (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S156320, C310S257000, C310S268000, C310S0400MM

Reexamination Certificate

active

06897579

ABSTRACT:
A motor includes a magnet formed into a hollow disc shape and having at least one flat surface circumferentially divided and alternately magnetized to opposite poles, a first coil having an inner peripheral surface opposing the outer peripheral surface of the magnet, a second coil having an outer peripheral surface opposing the inner peripheral surface of the magnet, first magnetic pole portions opposing one flat surface of the magnet, formed from a plurality of teeth extending in the radial direction of the magnet, and excited by the first coil, second magnetic pole portions formed on the opposite side to the first magnetic pole portions via the magnet at positions opposing the first magnetic pole portions, third magnetic pole portions opposing one flat surface of the magnet, formed from a plurality of teeth extending in the radial direction of the magnet, and excited by the second coil, and fourth magnetic pole portions formed on the opposite side to the third magnetic pole portions via the magnet at positions opposing the third magnetic pole portions.

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