| 摘要 |
PURPOSE:To restrict a rotating irregularity to required minimum limit without decreasing the efficiency of a motor by splitting all or part of poles in a circumferential direction to form a main pole and an interpole, and forming the poles in nonequal shapes. CONSTITUTION:A core 4 which encloses a coil 3 from one flat side of the coil 3 and a core 5 which encloses the coil 3 from the other flat side of the coil 3 are secured to a shaft 2 to construct an armature 6. The cores 4, 5 are radially branched toward a field 1, the branched ends are bent perpendicularly along the outer periphery of the coil 3, main poles 4a, 5b and auxiliary poles 4b, 5b respectively extend from the cores 4, 5, the auxiliary poles 4b, 5b and the main poles 4a, 5a are spaced and disposed at the prescribed interval, and the centers of the poles formed by the poles 4a, 5a and 4b, 5b at the energizing time are disposed at the positions of 0 deg. and 90 deg.. |
