MOVING-MAGNET ELECTRIC MOTOR

PROBLEM TO BE SOLVED: To provide a moving-magnet electric motor, in which it damages can be controlled on rotary shaft, while minimizing its cost. SOLUTION: This motor is provided with a rotor magnet 4, having a through- hole 41 at its center, the rotary shaft 5 which is inserted and fixed in the th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: OHASHI TOMOMI, IWAHASHI MASARU, SATO HITOSHI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a moving-magnet electric motor, in which it damages can be controlled on rotary shaft, while minimizing its cost. SOLUTION: This motor is provided with a rotor magnet 4, having a through- hole 41 at its center, the rotary shaft 5 which is inserted and fixed in the through-hole 41 of this rotor magnet 4, bearing members comprising a housing 1 that supports this rotary shaft 5 and stores the rotor magnets 4, and coils 2, 3 that cause torque on the rotor magnet 4. On the surface of the rotating shaft 5, a vapor deposed coating 51 of TiN metal compound is provided.