INDUCTION MOTOR ROTOR Russian patent published in 1994 - IPC

FIELD: electrical engineering. SUBSTANCE: rotor has a shaft with a core rigidly attached to it. Positioned in the core slots are the winding bars. The bars are electrically closed to one another by device used to vary the working resistance. Each of the above device is made as a variable resistor with movable contacts on its surface. The movable contacts are linked with the return spring. EFFECT: facilitated procedure. 5 cl, 4 dwg