Electric rotary machine having superconducting rotor

Details Electric rotary machine having superconducting rotor Electric rotary machine having superconducting rotor

1977-08-02

1979-10-16

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310261, H02K 900

Patent

active

041714946

ABSTRACT:
An electric rotary machine having a superconducting rotor, such as a dynamoelectric machine. A cylindrical shielding member is provided for protecting the superconducting winding from the influence of the magnetic flux of the stator, and for shielding the heat radiated from the normal-temperature side of the machine, thereby maintaining the superconducting winding at an extremely low temperature. An inner reinforcing body and an outer reinforcing body are fitted to the inner and the outer peripheral surfaces of the cylindrical shielding member so as to reinforce the latter. These reinforcing bodies are effective to reduce the stress in the rotor caused by the centrifugal force and electromagnetic force during a running of the electric rotary machine, thereby protecting the shielding member against breakage and/or deformation.

REFERENCES:
patent: 3679920 (1972-07-01), MacNab
patent: 3742265 (1973-06-01), Smith
patent: 3942053 (1976-03-01), Abolins
patent: 3956648 (1976-05-01), Kirtley
patent: 4017755 (1977-04-01), Litz
patent: 4020371 (1977-04-01), Gillet
patent: 4039870 (1977-08-01), Sterrett
patent: 4042846 (1977-08-01), Sterrett
patent: 4056745 (1977-11-01), Eckels
patent: 4063122 (1977-12-01), Kullmann
patent: 4076988 (1978-02-01), Litz
patent: 4092555 (1978-05-01), Ying
patent: 4117357 (1978-09-01), Baumann

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