H - Electricity – 02 – K
Patent
H - Electricity
02
K
H02K 9/02 (2006.01) H02K 1/32 (2006.01) H02K 9/06 (2006.01)
Patent
CA 2196363
A method of improving the airflow through a low to medium speed salient pole dynamoelectric machine DEM is disclosed. The rotor rim on which the salient poles are mounted is shortened in comparison to prior art structures so that the ends of the salient poles (and the rotor windings) protrude a substantial distance beyond the edge of the rim. A stationary or rotating shield is placed in juxtaposed relationship with the rotating ends of the salient poles to provide an enclosure so that the protruding ends of the salient poles can function as a crude radial fan.
L'invention porte sur une méthode d'amélioration de l'écoulement d'air dans une machine dynamoélectrique à pôles saillants de faible à moyenne vitesse. La jante de rotor, sur laquelle les pôles saillants sont montés, est plus courte comparativement aux structures antérieures, de sorte que les extrémités des pôles saillants (et les enroulements du rotor) dépassent du bord de la jante de façon importante. Un bouclier fixe ou rotatif est juxtaposé aux extrémités rotatives des pôles saillants afin de créer une enceinte pour que les extrémités saillantes des pôles saillants puissent fonctionner comme un ventilateur rudimentaire à aubes radiales.
Craig Wilson And Company
General Electric Canada Inc.
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