(19)

(11)

EP 2 923 086 A2

(12)

(88) Date of publication A3: 14.08.2014 (43) Date of publication: 30.09.2015 Bulletin 2015/40 (21) Application number: 13798612.1 (22) Date of filing: 20.11.2013

(51) International Patent Classification (IPC):  F04C 2/10(2006.01) F04C 15/06(2006.01) F04C 11/00(2006.01) F04C 15/00(2006.01) (86) International application number: PCT/EP2013/074293 (87) International publication number: WO 2014/079888 (30.05.2014 Gazette 2014/22)

(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: 20.11.2012 GB 201220852 (71) Applicant: SAFRAN Power UK Ltd. Pitstone Green, Buckinghamshire LU7 9GT (GB)	(72) Inventors: HOWARD, Darren Christopher Buckinghamshire HP6 0QE (GB) HEARN, Stephen Mark Crane Mead Ware Hertfordshire SG12 9FE (GB) (74) Representative: Regimbeau  20, rue de Chazelles 75847 Paris Cedex 17 75847 Paris Cedex 17 (FR)