Electric machine having an outer rotor
AssigneeMoteurs Leroy-Somer
InventorsEric Coupart, Pascal Gauthier, Christophe Gilles, Atef Abou Akar, Jacques Saint-Michel
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Abstract
The present invention relates a rotary electric machine having an inner stator having a plurality of teeth each serving as a core of an individual coil, and an outer rotor comprising: a non-magnetic casing, a plurality of permanent magnets disposed inside the non-magnetic casing between pole pieces not having holes for engaging fixing bars
Claims9
1/ A rotary electric machine having
- an inner stator having a plurality of teeth each serving as a core of an individual coil, and
- an outer rotor comprising:
- a non-magnetic casing,
- a plurality of permanent magnets disposed inside the non-magnetic casing between pole pieces not having holes for engaging fixing bars.
2/ A machine according to claim 1, wherein, in a section plane that is perpendicular to an axis of said rotor, each magnet presents two non-parallel faces converging towards said stator.
3/ A machine according to claim 1, said machine not having any gearing.
4/ A machine according to claim 1, wherein said pole pieces are laminated.
5/ A machine according to claim 1, wherein said rotor comprises an inner surface which is circularly cylindrical.
6/ A machine according to claim 1, said machine constituting a motor.
7/ A machine according to claim 1, said machine constituting a generator.
8/ A machine according to claim 1, wherein said nonmagnetic casing is configured to serve as a wheel rim for a pneumatic tire.
9/ A machine according to claim 1, wherein said nonmagnetic casing includes annular grooves.