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Title: Generator rotor, especially turbo-generator rotor with superconducting field winding

Patent ·
OSTI ID:6202587

Generator rotor, including an inner and an outer concentric rotor part having a non-drive side and enclosing a high vacuum space, a first and a second bearing disposed on the non-drive side, a hollow shaft end of the outer rotor part being supported in the first bearing, a journal of the inner rotor part being extended through the hollow shaft end and separately supported in the second bearing, a high-vacuum contactless liquid seal disposed between the hollow shaft end and the journal and having a sealing gap formed therebetween, a co-rotating sealing-liquid reservoir connected to the liquid seal, and magnetic field means for holding magnetic sealing liquid in the sealing gap.

Assignee:
Kraftwerk Union Ag (Germany, Federal Republic Of)
Patent Number(s):
US 4380356
OSTI ID:
6202587
Resource Relation:
Patent Priority Date: Priority date 23 May 1980, Germany, Federal Republic of (F.R. Germany); Other Information: PAT-APPL-265650
Country of Publication:
United States
Language:
English