(19)

(11)

EP 2 948 643 A1

(12)

(43) Date of publication: 02.12.2015 Bulletin 2015/49 (21) Application number: 13821409.3 (22) Date of filing: 27.12.2013

(51) International Patent Classification (IPC):  F01D 21/04(2006.01) F02K 3/06(2006.01) F01D 11/12(2006.01) (86) International application number: PCT/US2013/077964 (87) International publication number: WO 2014/130158 (28.08.2014 Gazette 2014/35)

(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: 20.02.2013 US 201361767102 P (71) Applicant: Rolls-Royce Corporation Indianapolis, Indiana 46225 (US)	(72) Inventors: KAPPES, Matthew J. Indianapolis, Indiana 46203 (US) SCOTT, Matthew A. Carmel, Indiana 46032 (US) WINFIELD, Chris J. Duffield, Derbyshire DE56 4FS (GB) SCHNEIDER, Jared J. Zionsville, Indiana 46077 (US) (74) Representative: Dauncey, Mark Peter  Marks & Clerk LLP 1 New York Street Manchester, M1 4HD Manchester, M1 4HD (GB)