An electric machine assembly

Details An electric machine assembly An electric machine assembly

H - Electricity

02

K

H02K 1/27 (2006.01) H02K 1/14 (2006.01)

Patent

CA 2620282

An electrical, rotary machine, according to the invention may include a first stator core section being substantially circular and including a plurality of teeth, a second stator core section being substantially circular and including a plurality of teeth, a coil arranged between the first and second circular stator core sections, and a rotor including a plurality of permanent magnets. The first stator core section, the second stator core section, the coil and the rotor are encircling a common geometric axis, and the plurality of teeth of the first stator core section and the second stator core section are arranged to protrude towards the rotor. Additionally the teeth of the second stator core section are circumferentially displaced in relation to the teeth of the first stator core section, and the permanent magnets in the rotor are separated in the circumferential direction from each other by axially extending pole sections made from soft magnetic material.

Selon l'invention, une machine tournante électrique peut inclure une première section de noyau de stator sensiblement circulaire et incluant une pluralité de dents, une seconde section de noyau de stator sensiblement circulaire et incluant une pluralité de dents, une bobine disposée entre les première et seconde sections de noyaux de stator circulaires, ainsi qu'un rotor incluant une pluralité d'aimants permanents. La première section de noyau de stator, la seconde section de noyau de stator, la bobine et le rotor entourent un axe géométrique commun, et la pluralité de dents de la première section de noyau de stator ainsi que de la seconde section de noyau de stator sont disposées pour faire saillie vers le rotor. De plus, les dents de la seconde section de noyau de stator sont déplacées de manière circonférentielle par rapport aux dents de la première section de noyau de stator, et les aimants permanents dans le rotor sont séparés l'un de l'autre dans le sens circonférentiel en étendant axialement des sections polaires constituées à partir d'un matériau magnétique doux.

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