Variable Flux Bridge For Rotor of an Electric Machine

An electric machine includes a rotor including a channel defined between a pair of magnets and a bridge assembly within the channel. The bridge assembly includes a bridge element and a spring arranged to bias the bridge element toward a center of the rotor such that responsive to spinning of the rot...

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Bibliographische Detailangaben
Hauptverfasser: Krizan, Jacob, Hetrick, Joel
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An electric machine includes a rotor including a channel defined between a pair of magnets and a bridge assembly within the channel. The bridge assembly includes a bridge element and a spring arranged to bias the bridge element toward a center of the rotor such that responsive to spinning of the rotor, the bridge element moves radially away from the center against a force of the spring to alter a magnetic flux pattern associated with the magnets.