INDUCTION MOTOR ROTOR Russian patent published in 2005 - IPC

Abstract RU 2251781 C1

FIELD: electromechanical engineering; squirrel-cage rotors of induction motors.

SUBSTANCE: proposed squirrel-cage rotor has laminated ferromagnetic core accommodating squirrel-cage winding bars. Upper part of bar has single- or double-ended longitudinal rectangular-section lateral slots which are not filled with ferromagnetic material. Double-ended longitudinal slots provided in upper part of bar are alternately disposed on one and other sides of bar.

EFFECT: enhanced starting torque of motor without changing starting current.

4 cl, 6 dwg

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RU 2 251 781 C1

Authors

Geraskin A.G.

Gumarov B.Kh.

Gusev V.V.

Genender I.S.

Kaniskin N.A.

Dates

2005-05-10—Published

2003-09-25—Filed