(19)

(11)

EP 4 146 916 A1

(12)

(43) Date of publication: 15.03.2023 Bulletin 2023/11 (21) Application number: 21739574.8 (22) Date of filing: 22.06.2021

(51) International Patent Classification (IPC):  F01K 3/18(2006.01) (52) Cooperative Patent Classification (CPC): F01K 3/18 (86) International application number: PCT/EP2021/066932 (87) International publication number: WO 2022/002683 (06.01.2022 Gazette 2022/01)

(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: 01.07.2020 EP 20183435 (71) Applicant: Siemens Gamesa Renewable Energy GmbH & Co. KG 20097 Hamburg (DE)	(72) Inventors: ZACZEK, Alexander 20095 Hamburg (DE) KÜNZEL, Florian 20099 Hamburg (DE) (74) Representative: SGRE-Association  Siemens Gamesa Renewable Energy GmbH & Co KG Schlierseestraße 28 81539 München 81539 München (DE)