(19)

(11)

EP 3 247 947 A1

(12)

(43) Date of publication: 29.11.2017 Bulletin 2017/48 (21) Application number: 16702102.1 (22) Date of filing: 29.01.2016

(51) International Patent Classification (IPC):  F23R 3/34(2006.01) F23D 14/32(2006.01) (86) International application number: PCT/EP2016/051904 (87) International publication number: WO 2016/131635 (25.08.2016 Gazette 2016/34)

(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: 20.02.2015 EP 15155956 (71) Applicant: Siemens Aktiengesellschaft 80333 München (DE)	(72) Inventor: ÖFVERSTEDT, Tomas 58939 Linköping (SE)