H - Electricity – 02 – K
Patent
H - Electricity
02
K
H02K 17/02 (2006.01) H02K 15/09 (2006.01) H02K 17/16 (2006.01)
Patent
CA 2099951
An asynchronous electric machine, wherein a rotor rotating relative to a stator is provided with an electrically conductible coating. An air gap (8) between rotor (6) and stator (2) is substantially according to a formula Image in which formula Dr = outer rotor diameter (mm), Ds = inner stator diameter (mm), u = peripheral speed (m/s), .delta. = air gap (mm), A = a constant, whose magnitude ~ 0.3, preferably 0.7 - 1.5, suitably 1; description mm, B = a constant, whose magnitude < 150, preferably 50 - 100, suitably 70, C = a constant, whose magnitude < 1200, preferably 300 600, suitably 400; description m/S/mm, The peripheral speed of rotor (6) is more than 100 m/s. The rotor (6) is provided on a shaft body (7) or a like with an electrically conductible coating, which is designed to be continuous to extend over the entire operative surface area of rotor (6).
L'invention porte sur un moteur électrique asynchrone dont le rotor est recouvert d'une couche conductrice. Le rotor (6) est séparé du stator (2), par rapport auquel il tourne, par un mince intervalle (8) où circule de l'air, cet intervalle obéissant à l'équation Image dans laquelle Dr = diamètre extérieur du rotor (mm), Ds = diamètre intérieur du stator (mm), u = vitesse tangentielle (m/s), = intervalle d'air (mm), A = constante de valeur ~ 0,3 ou préférablement 0,7 - 1,5 mais où 1 convient aussi (qui a pour unités des mm), B = constante de taille < 150 et préférablement 50 - 100 mais où 70 convient également, et C = constante de taille < 1200 et préférablement 300 - 600 et où 400 convient (et dont les unités sont m/s/mm). La vitesse tangentielle du rotor (6) dépasse 100 m/s. Le rotor (6) est monté sur un axe (7) ou un élément semblable et recouvert d'une couche aux propriétés conductrices conçue pour couvrir continûment toute la surface fonctionnelle du rotor (6).
Borden Ladner Gervais Llp
High Speed Tech Oy Ltd
Sundyne Corporation
LandOfFree
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