(19)

(11)

EP 2 536 941 A2

(12)

(88) Date of publication A3: 19.01.2012 (43) Date of publication: 26.12.2012 Bulletin 2012/52 (21) Application number: 11751969.4 (22) Date of filing: 11.02.2011

(51) International Patent Classification (IPC):  F02K 1/08(2006.01) F02K 1/66(2006.01) F02K 1/10(2006.01) F02K 1/09(2006.01) F02K 1/80(2006.01) (86) International application number: PCT/US2011/024517 (87) International publication number: WO 2011/142866 (17.11.2011 Gazette 2011/46)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 15.02.2010 US 304741 P (71) Applicant: General Electric Company Schenectady, NY 12345 (US)	(72) Inventors: STUART, Alan, Roy Cincinnati, OH 45215 (US) FEHRMANN, John, Robert Cincinnati, OH 45215 (US) COX, Melanie, Zoe Cincinnati, OH 45215 (US) (74) Representative: Williams, Andrew Richard et al Global Patent Operation-Europe GE International Inc 15 John Adam Street London WC2N 6LU London WC2N 6LU (GB)