| 摘要 |
PCT No. PCT/CH82/00127 Sec. 371 Date Aug. 3, 1983 Sec. 102(e) Date Aug. 3, 1983 PCT Filed Dec. 3, 1982 PCT Pub. No. WO83/02042 PCT Pub. Date Jun. 9, 1983.The motor according to the invention comprises a disc-shaped rotor with multipolar permanent magnetization along an annular area and a stator comprising a plurality of magnetic circuits (9, 10, . . . ) arranged so that the magnetic field is comprised within the two cylindrical face portions based on the magnetized annular area and located on either side of the rotor. Means for compensation of the harmonics of the current-free torque and of the current torque are provided, as well as the arrangement of magnetic pick-ups (25, 26). The invention applies to industrial synchronous motor which may operate as stepping motors.
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