Brushless exciter rotor mounting

Details Brushless exciter rotor mounting Brushless exciter rotor mounting

1979-12-10

1981-09-15

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 68D, 310165, 310217, H02K 122

Patent

active

042899893

ABSTRACT:
A brushless exciter rotor mounting of a sleeveless design directed to a rotor core which is mounted on the shaft of an AC generator so that the rotor core can be rotated by the generator to provide direct current to the generator. The shaft has a stepped construction providing a larger diameter of the shaft at the inner end portion and a lesser diameter portion of the shaft extending outwardly therefrom. The rotor core has a slightly larger inner diameter than the lesser diameter portion of the shaft for a predetermined length to provide a radial clearance therebetween. At the inner end of the shaft the rotor core pilots to the larger diameter end portion of the shaft and at the outer end portion of the shaft a standoff casting pilots to the shaft. The shaft is keyed to the rotor core to prevent rotation of the shaft within the rotor core. Capscrews secure the rotor core to the standoff casting at the outer end of the assembly and the standoff casting is in turn secured to the shaft through a capscrew and belleville washer which seats the shaft within the standoff casting.

REFERENCES:
patent: 1805935 (1931-05-01), Weathers
patent: 3034035 (1962-05-01), Baumann
patent: 3650022 (1972-03-01), Stone
patent: 3749949 (1973-07-01), Muller

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