Dynamoelectric machine with a superconductive field winding that

Details Dynamoelectric machine with a superconductive field winding that Dynamoelectric machine with a superconductive field winding that

1975-07-17

1977-07-19

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

H02K 900

Patent

active

040371239

ABSTRACT:
Two parallel magnetic flux paths are provided in a dynamoelectric machine having a superconductive field winding. A first, or main, magnetic flux path includes at least one area of nonferromagnetic or diamagnetic material. A second, or shunt, magnetic flux path prevents the relatively low frequency AC flux present during starting or asynchronous operation of the machine, when used as an AC motor, from penetrating the superconductive winding.

REFERENCES:
patent: 3644766 (1972-02-01), Hughes
patent: 3648082 (1972-03-01), MacNab
patent: 3679920 (1972-07-01), MacNab
patent: 3742265 (1973-06-01), Smith
patent: 3764835 (1973-10-01), Luck

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