VALVE-TYPE MOTOR Russian patent published in 2003 - IPC

FIELD: instrumentation and electrical engineering. SUBSTANCE: valve-type motor that has frame accommodating coaxially arranged permanent-magnet rotor, armature magnetic core in the form of hollow cylinder rigidly coupled with rotor, and first winding which is placed between rotor and armature magnetic circuit and overhung on motor frame is provided in addition with second winding disposed between rotor and armature magnetic core and coaxially secured on frame opposite first winding; coupling between armature magnetic core and rotor is effected through nonmagnetic insert disposed in armature magnetic core between closest butt-ends of first and second windings. EFFECT: enhanced torque and resistance to transient loads. 2 cl, 1 dwg