ELECTRIC MOTOR

PROBLEM TO BE SOLVED: To reduce both current ripple and rotational shake.SOLUTION: In an electric motor 40 comprising a pair of magnets forming counter electrodes and eight slots, namely, in the electric motor 40 of [2P8S] capable of suppressing rotational shake by reducing a whirling electromagneti...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SAITO KEIKI, SUZUKI ISAO, AIDA SATOSHI, MISHIMA HAJIME, TAKAKUSAKI RYUICHI
Format: Patent
Sprache:eng ; jpn
Schlagworte:
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Zusammenfassung:PROBLEM TO BE SOLVED: To reduce both current ripple and rotational shake.SOLUTION: In an electric motor 40 comprising a pair of magnets forming counter electrodes and eight slots, namely, in the electric motor 40 of [2P8S] capable of suppressing rotational shake by reducing a whirling electromagnetic force, a separation distance X[deg] between end faces SF1 and SF2 of brushes BR1 and BR2 in a circumferential direction of a commutator 49 is made meet (((2×n)-2)/2)×(360/(2×n))≤X