LAMINATED CORE FOR A COMBINED RADIAL -AXIAL MAGNETIC BEARING AND CORRESPONDING METHOD

The core of a combined radial -axial magnetic bearing is stacked with coated laminations each equipped with at least one radial cut ( 9 ). These cuts ( 9 ) prevent the induction of circulating currents caused by varying axial control fluxes through the central hole of the lamination stack. Magnetic...

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Bibliographische Detailangaben
Hauptverfasser:	VANDE SANDE, HANS, PHILIPPI, CORNELIS, THEODORUS, DEMEULENAERE, BRAM, EUGENE, G, PAHNER, UWE
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BASIC ELECTRIC ELEMENTS BEARINGS BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION HEATING INDUCTANCES LIGHTING MAGNETS MECHANICAL ENGINEERING ROTARY BODIES OTHER THAN GEARING ELEMENTS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SHAFTS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL TRANSFORMERS WEAPONS
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Beschreibung
Zusammenfassung:	The core of a combined radial -axial magnetic bearing is stacked with coated laminations each equipped with at least one radial cut ( 9 ). These cuts ( 9 ) prevent the induction of circulating currents caused by varying axial control fluxes through the central hole of the lamination stack. Magnetic symmetry is preserved by rotating every lamination with respect to the previous one. Le noyau se situant à l'intérieur d'un palier magnétique radial-axial combiné comporte des empilements de couches revêtues, pourvues chacune d'au moins une découpe radiale. Ces découpes permettent de prévenir l'induction de courants circulants dus à la variation du flux axial de commande à travers le trou central de l'empilement. On conserve la symétrie magnétique en faisant pivoter chaque couche par rapport à la couche précédente selon un angle particulier. Ce dispositif permet non seulement de réduire les pertes du palier, mais aussi d'améliorer l'efficacité du canal axial.