(19)

(11)

EP 4 150 195 A1

(12)

(43) Date of publication: 22.03.2023 Bulletin 2023/12 (21) Application number: 21731689.2 (22) Date of filing: 21.05.2021

(51) International Patent Classification (IPC):  F01D 25/24(2006.01) F01D 9/06(2006.01) F01D 9/04(2006.01) F01D 9/02(2006.01) F01D 25/26(2006.01) (52) Cooperative Patent Classification (CPC): F01D 25/24; F05D 2220/31; F01D 9/02; F01D 9/06; F01D 25/26; F01D 9/04 (86) International application number: PCT/EP2021/063663 (87) International publication number: WO 2021/259571 (30.12.2021 Gazette 2021/52)

(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: KH MA MD TN (30) Priority: 24.06.2020 EP 20181856 (71) Applicant: Siemens Energy Global GmbH & Co. KG 81739 München (DE)	(72) Inventor: JANKURA, Peter 635 00 Brno (CZ)