Motor incorporating a superconducting shield

Details Motor incorporating a superconducting shield Motor incorporating a superconducting shield

1988-07-05

1989-11-21

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 10, 310 52, 310 86, 310104, 310179, 310156, H02K 3700

Patent

active

048825093

ABSTRACT:
A motor comprised of stator and rotor and formed of an even number of magnetic poles on both is disclosed. In the gap between the stator and rotor, a rotating shield having a window therein controllably interrupts and controllably permits coupling across the gap between poles of the rotor and stator. In the preferred embodiment, the shield is rotated at the same speed as the rotor in the opposite direction. The shield is made of superconducting material and the motor is operated at superconducting temperatures to position the shield in the gap to interrupt magnetic coupling.

REFERENCES:
patent: 3242418 (1966-03-01), Mela
patent: 3413502 (1968-11-01), Schwab
patent: 3427482 (1969-02-01), Massar
patent: 3462626 (1969-08-01), Kluss
patent: 3564307 (1971-02-01), Kawabe
patent: 3898490 (1975-08-01), Wedman
patent: 3940643 (1976-02-01), Sika
patent: 4151431 (1979-04-01), Johnson

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