Dynamoelectrical machine with wedged-in winding bars

Details Dynamoelectrical machine with wedged-in winding bars Dynamoelectrical machine with wedged-in winding bars

H - Electricity

02

K

H02K 3/487 (2006.01)

Patent

CA 2467799

The invention relates to a dynamoelectric machine (20) comprising winding bars (13) which are inserted into grooves provided therefor and pertaining to the dynamoelectric machine (20). Said grooves are respectively closed by closing wedges (23) and sinuous springs (16) are provided between the closing wedges (23) and the winding bars (13) located beneath, said springs being pre- tensioned by means of counter-wedges (21) which are arranged between the closing wedges (23) and the winding bars (13) located beneath. One such machine enables wedging to be carried out in a fast and simple manner, due to the fact that the counter-wedges (21) are arranged between the closing wedges (23) and the sinuous springs (16), and that fixed adjustment elements (22) are provided, by which means the distance between the closing wedges (23) and the counter-wedges (21) can be changed.

L'invention concerne une machine dynamoélectrique (20) présentant des barreaux d'enroulement (13) insérés dans des rainures, prévues à cet effet, de ladite machine (20), les rainures étant fermées chacune par des clavettes de fermeture (23), cependant qu'il est prévu entre lesdites clavettes (23) et les barreaux sous-jacents (23), des ressorts sinueux (16) qui sont précontraints au moyen de contre-clavettes (21) disposées entre les clavettes de fermeture (23) et les barreaux d'enroulement sous-jacents (13). Afin d'assurer, pour une machine du type précité, un clavetage rapide et simple, l'invention est caractérisée en ce que les contre-clavettes (21) sont disposées entre les clavettes de fermeture (23) et les ressorts sinueux (16), et en ce qu'il est prévu des éléments de réglage (22) fixés à demeure, permettant de modifier la distance entre les clavettes de fermeture (23) et les contre-clavettes (21).

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