(19)

(11)

EP 2 932 047 A1

(12)

(43) Date of publication: 21.10.2015 Bulletin 2015/43 (21) Application number: 13862661.9 (22) Date of filing: 14.11.2013

(51) International Patent Classification (IPC):  F01D 5/20(2006.01) F02C 7/28(2006.01) F01D 11/08(2006.01) (86) International application number: PCT/US2013/070096 (87) International publication number: WO 2014/092925 (19.06.2014 Gazette 2014/25)

(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: 14.12.2012 US 201213715388 (71) Applicant: United Technologies Corporation Hartford, CT 06101 (US)	(72) Inventors: ALARCON, Andrew G. Manchester, Connecticut 06040 (US) TATTON, Royce E. Firth, Idaho 83236 (US) (74) Representative: Leckey, David Herbert  Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)