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 with coils 2 of multiphase winding, each coil wound on one tooth of core 1, and additional coils 3 of multiphase winding, each wound on at least two teeth of core 1, conducting secondary member 4 mounted in rotating supports, switching device 6, and additional switching device 8 connecting respective coils 2 and additional coils 3 of inductor winding to voltage supply by means of knife-switch 7. EFFECT: provision for varying secondary member pitch by integer number of tooth pitches. 9 dwg