(19)

(11)

EP 2 900 930 A1

(12)

(43) Date of publication: 05.08.2015 Bulletin 2015/32 (21) Application number: 13841587.2 (22) Date of filing: 24.09.2013

(51) International Patent Classification (IPC):  F01D 5/30(2006.01) F02C 7/00(2006.01) F01D 5/28(2006.01) (86) International application number: PCT/US2013/061427 (87) International publication number: WO 2014/052320 (03.04.2014 Gazette 2014/14)

(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 Designated Extension States: BA ME (30) Priority: 28.09.2012 US 201213630120 (71) Applicant: United Technologies Corporation Hartford, CT 06101 (US)	(72) Inventors: BALES, Daniel A. Avon, Connecticut 06001 (US) JENKEL, Steven D. Springvale, Maine 04083 (US) FISK, Benjamin T. East Granby, Connecticut 06026 (US) (74) Representative: Hull, James Edward  Dehns St. Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)