(19)
(11) EP 1 415 385 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
07.01.2009 Bulletin 2009/02

(45) Mention of the grant of the patent:
05.11.2008 Bulletin 2008/45

(21) Application number: 02746976.6

(22) Date of filing: 11.07.2002
(51) International Patent Classification (IPC): 
H02K 55/02(2006.01)
(86) International application number:
PCT/US2002/021964
(87) International publication number:
WO 2003/007462 (23.01.2003 Gazette 2003/04)

(54)

SUPERCONDUCTING ROTATING MACHINE WITH A SUBTRANSIENT REACTANCE DETERMINED BY CONSTRUCTION

SUPRALEITENDE DREHMASCHINE MIT EINER DURCH BAUART BESTIMMTE ANFANGSREAKTANZ

MACHINE ROTATIVE SUPRACONDUCTRICE AVEC REACTANCE SUBTRANSITOIRE DETERMINEE PAR LA CONSTRUCTION


(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

(30) Priority: 13.07.2001 US 905611

(43) Date of publication of application:
06.05.2004 Bulletin 2004/19

(73) Proprietor: AMERICAN SUPERCONDUCTOR CORPORATION
Devens, MA 01434-4020 (US)

(72) Inventors:
  • KALSI, Swarn, S.
    Shrewsbury, MA 01545 (US)
  • SNITCHLER, Gregory, L.
    Shrewsbury, MA 01545 (US)

(74) Representative: Reinhard - Skuhra - Weise & Partner GbR 
Patent- und Rechtsanwälte P.O. Box 440151
80750 München
80750 München (DE)


(56) References cited: : 
US-A- 4 176 292
   
  • SALASOO L ET AL: "Design and analysis of a novel superconducting generator" ELECTRIC MACHINES AND DRIVES CONFERENCE RECORD, 1997. IEEE INTERNATIONAL MILWAUKEE, WI, USA 18-21 MAY 1997, NEW YORK, NY, USA,IEEE, US, 18 May 1997 (1997-05-18), pages MA2-21-MA2-23, XP010231722 ISBN: 0-7803-3946-0
  • KLEINER F ET AL: "Performance characteristics and design criteria for high-speed adjustable speed drivers for large turbomachines" 36TH ANNUAL PETROLEUM AND CHEMICAL INDUSTRY CONFERENCE RECORD. INDUSTRIAL APPLICATIONS SOCIETY., 11 - 13 September 1989, pages 49-58, XP010089592 San Diego,CA,USA
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).