(19)

(11)

EP 2 904 215 A1

(12)

(43) Date of publication: 12.08.2015 Bulletin 2015/33 (21) Application number: 13843675.3 (22) Date of filing: 01.10.2013

(51) International Patent Classification (IPC):  F01D 5/30(2006.01) F02C 7/00(2006.01) F01D 11/08(2006.01) F02K 3/00(2006.01) (86) International application number: PCT/US2013/062841 (87) International publication number: WO 2014/055499 (10.04.2014 Gazette 2014/15)

(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: 01.10.2012 US 201213632288 (71) Applicant: United Technologies Corporation Hartford, CT 06101 (US)	(72) Inventors: DROZDENKO, Lee Bristol, Connecticut 06010 (US) MCCOMB, Patrick, James Naugatuck, Connecticut 06770 (US) GRAVES, William, R. Manchester, Connecticut 06042 (US) (74) Representative: Leckey, David Herbert  Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)