(19)

(11)

EP 3 280 881 A1

(12)

(43) Date of publication: 14.02.2018 Bulletin 2018/07 (21) Application number: 16713871.8 (22) Date of filing: 30.03.2016

(51) International Patent Classification (IPC):  F01D 5/30(2006.01) F01D 25/28(2006.01) F01D 5/32(2006.01) F01D 9/04(2006.01) B23P 19/04(2006.01) (86) International application number: PCT/EP2016/056971 (87) International publication number: WO 2016/162249 (13.10.2016 Gazette 2016/41)

(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 Designated Validation States: MA MD (30) Priority: 08.04.2015 EP 15162719 (71) Applicant: Siemens Aktiengesellschaft 80333 München (DE)	(72) Inventor: BATT, Stephen Lincoln LN4 2DZ (GB) (74) Representative: Maier, Daniel Oliver  Siemens AG Postfach 22 16 34 80506 München 80506 München (DE)