FLAT BRUSHLESS MOTOR
PURPOSE:To obtain high rotating efficiency of a flat brushless motor even rotating at a high speed by forming a yoke member in a disc shape by spirally winding a thin magnetic plate and insulating between spirally wound layers. CONSTITUTION:A yoke member 10 is constructed in a disc shape by spirally...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | PURPOSE:To obtain high rotating efficiency of a flat brushless motor even rotating at a high speed by forming a yoke member in a disc shape by spirally winding a thin magnetic plate and insulating between spirally wound layers. CONSTITUTION:A yoke member 10 is constructed in a disc shape by spirally winding, for example, a thin magnetic plate made of silicon stell, and the spirally wound layers are insulated therebetween by a plastic coating or the like. The member 10 carries a coil, and is opposed to the pole face of a rotor magnet to apply a rotary force to the rotor magnet. An eddy current is not generated in the member 10 upon rotating of the magnet. |
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