| 摘要 |
The invention relates to a rotor (1) of a rotary electric machine of the alternator or alternator-starter type. The rotor (1) comprises two pole wheels including a series of axial claws having a generally trapezoidal shape that extend from the edge of the outer radial end of one pole wheel towards the other pole wheel, such that each claw of one pole wheel is located in the space (30) between two consecutive claws of the other pole wheel. The rotor also comprises an interpolar magnetic assembly (20) in the interpolar space (30) defined between a first claw (4) of a first pole wheel (3) and a second claw (6a) of a second pole wheel (5), said magnetic assembly (20) comprising two first faces (22) defined by first and second free ends (23, 24), said two first faces (22) extending respectively the length of first and second claws (4, 6a). Each of the first and second claws (4, 6a) has a side face (7) such that the adjacent side face (7) faces same, said side face (7) comprising third and fourth opposing ends (8, 9) between which the magnet (21) is in contact. In addition, the side faces of each of the first and second claws (4, 6a) define a reduction in cross-section (6) from one of the free ends (23, 24) of the magnetic assembly (20) extending towards a claw head end (40) along a side facet (12). |
