ELECTRICAL MACHINE Russian patent published in 1997 - IPC

FIELD: electromechanical engineering. SUBSTANCE: electrical machine has wound stator with core provided with radial ducts. Stator frame accommodates gas coolers and end shields. Rotor end windings 10 are held in position by means of binding rings. Rotor barrel is placed in shell with longitudinal partitions 13 provided. It has large teeth 19 and slot wedges 20 built integral with partitions 13 having extended portions. Slots made at joints of extended portions receive spacers 25. Wedges are provided with holes 27 communicating with axial ducts 28; holes 30 are provided in partitions 13 between ports 23. EFFECT: improved cooling conditions. 6 cl, 6 dwg