Rotor for a superconducting rotating electric machine

Details Rotor for a superconducting rotating electric machine Rotor for a superconducting rotating electric machine

1985-07-05

1987-04-14

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 52, 310 91, 310261, H02K 348

Patent

active

046581707

ABSTRACT:
An improved rotor for a superconducting rotating electric machine has the arcuate portions and the corners of superconducting field coils housed in circumferentially-extending coil slots of a coil-carrying shaft. Retaining rings which are shrink-fit on the coil-carrying shaft over the circumferentially-extending slots restrains the arcuate portions and the corners of the coils against centrifugal forces. Retaining members are disposed between adjacent coils and are rigidly secured by connectors to the bottom surface of the circumferentially-extending slots by bolts or the like. The retaining members completely fill the spaces between adjacent coils and prevent the movement of the arcuate portions and corners of the field coils. Preferably, the retaining members are made of the same material as the coil-carrying shaft or of titanium or a titanium alloy.

REFERENCES:
patent: 790471 (1905-05-01), Wright
patent: 790475 (1905-05-01), Behrend
patent: 3427488 (1969-02-01), Terry, Jr.
patent: 4016444 (1977-04-01), Gillet
patent: 4063122 (1977-12-01), Kullmann
patent: 4149100 (1979-04-01), Spirk
patent: 4368399 (1983-01-01), Ying
patent: 4385248 (1983-05-01), Laskaris
patent: 4392602 (1982-05-01), Gillet
patent: 4442362 (1984-04-01), Okamoto
Ser. No. 819,294 filed 1-10-86 by Toshiki Hirao.
Ser. No. 751,899 filed 7-5-85 by Ueda et al.

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