Coil for a dynamo electric machine

Details Coil for a dynamo electric machine Coil for a dynamo electric machine

H - Electricity

02

K

H02K 3/12 (2006.01) H02K 15/04 (2006.01)

Patent

CA 2521640

A coil (20) for a dynamo electric machine, particularly for the stator (33) of a hydro--generator, comprises a plurality of coil rods (22, 24), running in the axial direction in a sheet metal package, whose rod ends (23, 23'; 25, 25'), which protrude from the sheet metal package, are bent from the axial direction and connected with each other, in pairs, at connection points (26, 26'). In the case of such a coil, simplified manufacturability is achieved by virtue of the fact that the rod ends (23, 23'; 25, 25'), in each case, comprise several straight sections (28, 30), which are separated from each other by intervening crimps (29, 29'; 32, 34).

L'invention concerne un enroulement (20) destiné à une machine dynamoélectrique, notamment au stator (33) d'un générateur hydraulique, comportant une pluralité de tiges d'enroulement (22, 24) s'étendant axialement dans un paquet de tôles. Les extrémités (23, 23', 25, 25') desdites tiges faisant axialement saillie hors du paquet de tôles sont repliées et reliées par paires au niveau des zones de liaison (26, 26'). L'invention vise à simplifier la fabrication d'un tel enroulement. A cet effet, les extrémités (23, 23', 25, 25') desdites tiges comportent plusieurs sections rectilignes (28, 30) séparées l'une de l'autre par des coudes (29, 29', 32, 34).

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