CONTACTLESS DIRECT-CURRENT MOTOR Russian patent published in 2003 - IPC

FIELD: electrical engineering; static- commutation electrical machines. SUBSTANCE: dc motor that has commutator built around transistor amplifiers whose outputs are connected to motor winding coils and rotor position sensor designed for connecting motor winding coils to power supply is provided in addition with logic converter whose outputs are connected to commutator inputs and inputs, to outputs of three respective EXCLUSIVE OR gates whose first inputs are coupled with rotor position sensor and integrated second inputs are connected to one of poles of auxiliary voltage supply. EFFECT: facilitated manufacture and enhanced reliability of motor. 3 cl, 5 dwg