Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1992-01-17
1994-09-27
Skudy, R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 10, 310 90, 310154, 310156, 310179, 310181, 310208, 505876, 505877, 505878, H02K 900
Patent
active
053509587
ABSTRACT:
A superconducting rotating machine comprises a cylindrical frame, a stator installed integrally around an inner periphery of the cylindrical frame and a rotor arranged concentrically and rotatably within the stator in a juxtaposed spaced relationship to the inner surfaces of the stator and with a cylindrical clearance between the inner periphery of the stator and the outer periphery of the rotor. The stator coil includes a primary coil having extra fine Cu filaments and a secondary coil having extra fine filaments made of a superconducting alloy containing Cu, Nb.sub.3 Sn, V.sub.3 Ga, V.sub.3 Ge, Bi, Ca, CuO and Sr. The secondary coil is covered with an insulating layer. Even if a conventional rotatable cryogenic container is not provided, a strong anomalous pseudo-Josephson effect can be obtained. A superconducting generator for use in lighting equipment is also disclosed.
REFERENCES:
patent: 2942411 (1960-06-01), Hutchings
patent: 3534459 (1970-10-01), Kudo
patent: 4564564 (1986-01-01), Schuller
patent: 4908347 (1990-03-01), Denk
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