Device for cooling a superconducting field winding and a damper

Details Device for cooling a superconducting field winding and a damper Device for cooling a superconducting field winding and a damper

1981-06-01

1983-05-31

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 61, 310 64, 310261, H02K 900

Patent

active

043862896

ABSTRACT:
A cooling device for a superconducting field winding of an electric machine, especially a turbo-generator, contains an exhaust gas line connected to a coolant space for cooling an end piece at the end face of a torque transmitting rotor body part as well as a coolant line extending along a damper shield arranged around the field winding. In order to utilize the liquid coolant in a particularly economical and simple manner, the coolant line of the damper shield is a section of the coolant exhaust gas line, and this section is arranged, as seen in the flow direction of the coolant exhaust gas, ahead of the line section of the torque transmitting end piece.

REFERENCES:
patent: 4085343 (1978-04-01), Hasegawa et al.
patent: 4152609 (1979-05-01), Cooper et al.
patent: 4204134 (1980-05-01), Fritz et al.
patent: 4228374 (1980-10-01), Elsel
patent: 4267474 (1981-05-01), Kullmann
patent: 4297603 (1981-10-01), Weghaupt
patent: 4315172 (1982-02-01), Intichar et al.
A. Bejan; Cryogenic Cooling System for Superconducting Syncr. Generator; M.I.T. PHD-Thesis; Publ. 12/74.
K. D. Timmerhaus & H. A. Snyder; Advances in Cryogenic Engineering; vol. 25; Plenum Press; New York & London.
J. H. Parker, Jr. & R. A. Towne; Superconducting Generator Design EL-577; Westinghouse Electr. Corp.; E. P. R. Institute; Palo Alto, CA.
Helium Cooling System; Siemens Forsch. U. Entwickl. Ber. BD. 5; 1976; No. 1; p. 13.

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