Laminated stator for electrical machine

The stator is constructed from a stack of steel plates having polygonal shape. The plates may be made according to more than one design, but include a common straight edge (3) at a specific distance from an axis of symmetry (4). The sheets of different shape are cut alternately from a sheet of steel...

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Bibliographische Detailangaben
1. Verfasser: PANCHO GEORGIEV DUNDAROV, ENCHO NIKOLOV POPOV ET IVAN DIMITROV TRENDAFILOV
Format: Patent
Sprache:eng ; fre
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Zusammenfassung:The stator is constructed from a stack of steel plates having polygonal shape. The plates may be made according to more than one design, but include a common straight edge (3) at a specific distance from an axis of symmetry (4). The sheets of different shape are cut alternately from a sheet of steel (14). The resulting sheets are then stacked alternately to form the stator block, with the differing shapes defining cooling channels between their edges. LA PRESENTE INVENTION SE RAPPORTE A UN STATOR FEUILLETE A AILETTES, QUI EST CONSTITUE PAR UN EMPILAGE DE TOLES D'ACIER INDIVIDUELLES DE FORME POLYGONALE, LUI-MEME COMPOSE DE PLUSIEURS GROUPES DE TOLES DEFINISSANT DES CANAUX DE VENTILATION.SELON L'INVENTION LES TOLES1, 2 PRESENTENT LA FORME DE POLYGONES IRREGULIERS ET L'UN AU MOINS DE LEURS COTES3 EST RECTILIGNE, TANDIS QUE LES COTES RESTANTS FORMENT ENTRE EUX DES ANGLES DIFFERENTS DE 90 ET SONT SYMETRIQUES PAR RAPPORT A UN AXE DE SYMETRIE4 PERPENDICULAIRE AU COTE RECTILIGNE3, CES COTES SYMETRIQUES FORMANT DES CONTOURS COMMUNS A DES TOLES CONTIGUES1, 2 DANS LE TRACE DE DECOUPAGE D'UNE BANDE D'ACIER14 DANS LAQUELLE SONT REALISES PLUSIEURS TYPES DIFFERENTS DE TOLES1, 2, LES DIVERS GROUPES DE TOLES EMPILEES ETANT RESPECTIVEMENT CONFECTIONNES A PARTIR DE CES TYPES DIFFERENTS DE TOLES.