VOICE COIL MOTOR AND BRUSH UNIT COMPRISING IT

A voice coil motor comprising a stator having a magnetic circuit comprising permanent magnets magnetized in predetermined directions, and a yoke; a mover comprising a driven member connected to an end thereof, and a coreless coil perpendicular to the magnetic flux of the permanent magnets, the mover...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FUJIOKA Tomochika, HARUYAMA Tetsuya, TORII Akihito, TAKATA Motoki, YUI Katsuhiko
Format:	Patent
Sprache:	eng
Schlagworte:	BRUSHES BRUSHWARE CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION HUMAN NECESSITIES
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Beschreibung
Zusammenfassung:	A voice coil motor comprising a stator having a magnetic circuit comprising permanent magnets magnetized in predetermined directions, and a yoke; a mover comprising a driven member connected to an end thereof, and a coreless coil perpendicular to the magnetic flux of the permanent magnets, the mover being linearly movably supported by the stator; and a spring for applying an elastic force to the mover in a direction separating the driven member from the stator, and a brush unit comprising such a voice coil motor.