Superconducting electric motors

Details Superconducting electric motors Superconducting electric motors

1975-03-21

1977-04-26

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 12, 310 13, H02K 706

Patent

active

040203743

ABSTRACT:
A linear motor comprises an electrically conductive tubular track consisting of one or more pairs of helically wound strips and a movable assembly. The movable assembly includes a superconducting field winding freely spinning about an axis close to the axis of the track and at least one auxiliary polyphase winding of normally conducting material coaxial to the field winding and adapted to develop a rotating field when AC currents circulate therein. The auxiliary winding supporting structure is connected to a vehicle to be driven along the track.

REFERENCES:
patent: 3898487 (1975-08-01), Sobiepanek et al.

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