TOOTHED ELECTROMAGNETIC ROTOR Russian patent published in 2000 - IPC

FIELD: electrical engineering. SUBSTANCE: toothed rotor with 2N poles has first magnetic-material part incorporating axial hub one of whose ends is loose and other one carries N teeth axially arranged at equal distances over periphery of this end of hub; second magnetic-material part of polarity opposing that of first part, of same shape as the latter and located on opposite side from it; each tooth of mentioned second part is fitted between two teeth of mentioned second part and, vice versa, first and second parts have axial hub; one end of each hub is loose and other one carries N teeth; rotor has also nonmagnetic jumpers inserted between loose ends of teeth and between each mentioned part and base of casing of opposite part; it also has nonmagnetic cowl. EFFECT: simplified design, facilitated manufacture, increased rated speed, reduced cost of rotor. 6 cl, 6 dwg