Vertical stator double gas D.C. PM motors

A vertical stator d.c. PM motor employs outer and inner working air gaps wherein the length of the inner working gap at any stator pole is greater than the corresponding length at the outer working gap. A mutual cancellation of detent torque between the outer and inner working gaps is promoted throu...

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Bibliographische Detailangaben
1. Verfasser: Petersen, Christian C
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A vertical stator d.c. PM motor employs outer and inner working air gaps wherein the length of the inner working gap at any stator pole is greater than the corresponding length at the outer working gap. A mutual cancellation of detent torque between the outer and inner working gaps is promoted through an offsetting of the rotor magnetic regions.