ROTOR OF ELECTRIC MACHINE Russian patent published in 1995 - IPC

FIELD: turbine-driven generators. SUBSTANCE: rotor of electric machine has bandage ring 1 put on barrel 2 of rotor while hot. Conical key 3 is put beforehand into ring slot of barrel 2. Nut 5 is screwed onto thread in bandage ring 1 fitting tight with its beveled face against surface to key 3. Key has contact closing it electrically. Invention makes it possible to prevent completely axial movements of bandage ring over rotating rotor and to protect mounting surfaces on barrel and bandage ring against burning. EFFECT: enhanced operational reliability, and prolonged service life of electric machine. 2 dwg