Flexible commutator riser

H - Electricity – 02 – K

Patent

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Details

H02K 13/04 (2006.01) H01R 39/32 (2006.01) H02K 3/51 (2006.01)

Patent

CA 2356948

A rotor for a dynamoelectric machine includes a rotor shaft, a commutator, an armature, and a plurality of risers. The commutator includes a plurality of commutator bars extending circumferentially from the rotor shaft. The armature includes a plurality of slots wherein a plurality of armature coils are wound. The armature coils include end windings. The risers are secured to outer ends of respective commutator bars and extend longitudinally in a radial direction from the rotor shaft. Each riser is connected to a corresponding end winding such that each armature coil is electrically connected to a corresponding commutator bar. Each riser has at least one opening extending therethrough.

L'invention concerne un rotor de machine dynamoélectrique, comprenant un arbre de rotor, un commutateur, une armature, et plusieurs éléments de connexion. Le commutateur comprend plusieurs lames s'étendant de manière circulaire à partir de l'arbre du rotor. L'armature comprend plusieurs fentes dans lesquelles plusieurs bobines d'armature sont enroulées. Les bobines d'armature comprennent des enroulements d'extrémité. Les éléments de connexion sont fixés respectivement aux extrémités extérieures des lames de commutateur, et s'étendent longitudinalement dans un sens radial à partir de l'arbre de rotor. Chaque élément de connexion est connecté à un enroulement d'extrémité correspondant, de sorte que chaque bobine d'armature est électriquement connectée à une lame de commutateur correspondante. Chaque élément de connexion possède au moins une ouverture.

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