Magnetic field generating device and rotating electrical machine

A field magnet holder provided at a field portion of an electric motor is formed of a non-magnetic material. An inner wall and outer wall of the field magnet holder are respectively formed in annular shapes. Plural spacers are arranged between the inner wall and outer wall at a predetermined spacing...

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Bibliographische Detailangaben
1. Verfasser: Morishita, Mimpei
Format: Patent
Sprache:eng
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