Casing means for electrical machine

Details Casing means for electrical machine Casing means for electrical machine

1985-08-16

1987-02-10

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 90, 310 91, H02K 500

Patent

active

046424997

ABSTRACT:
In turbo-generators with hydrogen-cooled rotor windings, one-piece end casings are used to avoid complicated sealing positions. These end casings are strongly ribbed in a radial direction and present difficulties when installing the shaft seal (19). Furthermore, they do not permit any inspection openings in the ribbed end casing. Both have the final result of causing an increase in the machine length. Due to the pot-type design of the end casing (1) with a vertically extending channel-type recess (9) having a width greater than the rotor outer diameter, the assembly of the splert ring (19) is facilitated. The channel walls (7, 8) stiffen the end casing and provide niches which are accessible from the end face of the machine via inspection openings.

REFERENCES:
patent: 3060860 (1962-10-01), Schaefer
patent: 3375382 (1968-03-01), Barber
patent: 3714705 (1973-02-01), Lewis
patent: 3751699 (1973-08-01), Gleichman
patent: 3916233 (1975-10-01), Vockler
patent: 3916671 (1975-11-01), Carson
patent: 4216399 (1980-08-01), Bartheld
patent: 4450373 (1984-05-01), Miller
patent: 4528469 (1985-07-01), Prenner
ETG-Fachberichte 3, Kraftwerks-Generatoren" VDE-Verlag GmbH, Berlin, 1977, pp. 7-32.

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