LINEAR INDUCTION MOTOR Russian patent published in 2010 - IPC H02K41/25 H02K1/34 

FIELD: engines and pumps.

SUBSTANCE: proposed induction motor comprises inductor 1 consisting of core 2 with three-phase winding 3. Secondary element 4 comprises core 5 with slots wherein isolated conducting rods 6 are laid connected with common bus 7 on one side and, on opposite side, with movable closing element 8 including conducting and isolating parts adjoining toothed rack 6 engaged with gear wheel 10. Conducting part of movable closing element 8 comprises rectangular base whereon alternating stepped sections are arranged, step height of said sections being equal to that of secondary element slot.

EFFECT: control over mechanical force, rpm and power output of induction motor.

5 dwg