(19)

(11)

EP 3 140 594 A1

(12)

(43) Date of publication: 15.03.2017 Bulletin 2017/11 (21) Application number: 15723464.2 (22) Date of filing: 07.05.2015

(51) International Patent Classification (IPC):  F23C 7/00(2006.01) F23R 3/14(2006.01) F23D 14/24(2006.01) F23R 3/34(2006.01) (86) International application number: PCT/EP2015/060127 (87) International publication number: WO 2015/169930 (12.11.2015 Gazette 2015/45)

(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 (30) Priority: 09.05.2014 EP 14167655 (71) Applicant: Siemens Aktiengesellschaft 80333 München (DE)	(72) Inventor: DOLMANSLEY, Timothy Shireoaks Worksop S81 8NA (GB) (74) Representative: Maier, Daniel Oliver  Siemens AG Postfach 22 16 34 80506 München 80506 München (DE)