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(11)

EP 1 723 021 A1

(12)

(43) Date of publication: 22.11.2006 Bulletin 2006/47 (21) Application number: 05713989.1 (22) Date of filing: 24.02.2005

(51) International Patent Classification (IPC):  B61L 25/02(2006.01) B61L 15/00(2006.01) B61L 27/00(2006.01) (86) International application number: PCT/US2005/005780 (87) International publication number: WO 2005/082696 (09.09.2005 Gazette 2005/36)

(84) Designated Contracting States: CH DE IT LI (30) Priority: 24.02.2004 US 547513 P (71) Applicant: General Electric Company, (a New York Corporation) Schenectady, NY 12345 (US)	(72) Inventors: HENDRICKSON, Bradley, Charles Erie, PA 16509 (US) BALLESTY, Daniel, Malachi Wattsburg, PA 16442 (US) SHAFFER, Robert, Glenn Erie, PA 16506 (US) KISAK, Jeffrey, James Erie, PA 16509 (US) (74) Representative: Bedford, Grant Richard  London Patent Operation GE International Inc 15 John Adam Street GB-London WC2N 6LU GB-London WC2N 6LU (GB)