LINE ELECTRIC MOTOR Russian patent published in 1995 - IPC

FIELD: electrical engineering. SUBSTANCE: line electric motor has stator and runner containing magnetic and nonmagnetic alternating rings bordering on working air gaps. Lower limit of ratio of radial and axial dimensions of nonmagnetic rings in axial section is equal to 0.5:1 and upper limit of specified ratio reaches 1:1 value. EFFECT: reduced usage of materials and mass of motor. 3 dwg