SQUIRREL-CAGE ROTOR OD INDUCTION MOTOR Russian patent published in 1995 - IPC

FIELD: electromechanical engineering. SUBSTANCE: squirrel-cage rotor has core with slots 2 receiving bars 3 press-fitted into them. Ends of bars 3 are mechanically and electrically connected to end rings. Horns 5 are made on side walls of slots 2 and longitudinal grooves 6, on sides of bars 3. Sides 7 and 8 of horns may be rectilinear or circular. EFFECT: improved reliability of winding, simplified design, improved power characteristics of motor. 3 cl, 7 dwg