FIELD: electromechanical engineering. SUBSTANCE: dc motor that has fixed stator, armature and field windings, and rotor with ferromagnetic poles is provided in addition with switching commutator whose brush gear is mounted for rotation; in addition motor is provided with commutating poles each built up of two opposing claw-shaped horns mounted on ferromagnetic cylinder that carries common commutating winding; winding leads are connected in series with armature winding by means of two revolving slit rings and fixed brushes. EFFECT: facilitated manufacture; enhanced specific power output and torque. 6 dwg
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