LINEAR INDUCTION MOTOR Russian patent published in 1996 - IPC

FIELD: automatic control and robotics. SUBSTANCE: linear induction motor has inductor built up of core 1 incorporating yoke and teeth carrying three-phase winding coils; each coil has N equivalent sections (N = 2, 3... ); each tooth of core 1 carries one coil; it has also secondary member 3 on ball supports 4 and switching device 5 connecting coil section 2 with voltage supply. Switching device 5 is connected to voltage supply through knife-switch 6. EFFECT: provision for discrete control of secondary member step. 10 dwg