(19)

(11)

EP 4 739 902 A1

(12)

(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 24740342.1 (22) Date of filing: 01.07.2024

(51) International Patent Classification (IPC):  F03D 1/06(2006.01) F03D 80/40(2016.01) (52) Cooperative Patent Classification (CPC): F03D 80/401; F03D 1/0675; Y02E 10/72 (86) International application number: PCT/DK2024/050155 (87) International publication number: WO 2025/008034 (09.01.2025 Gazette 2025/02)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 05.07.2023 US 202363512059 P 02.08.2023 DK PA202370392 (71) Applicant: VESTAS WIND SYSTEMS A/S 8200 Aarhus N (DK)	(72) Inventors: BUGGY, Stephen Jude 8200 Aarhus N (DK) FINN, Edward Noel 8200 Aarhus N (DK) COLLARD, Toby 8200 Aarhus N (DK) ARIYUR, Mohamed Hashim 8200 Aarhus N (DK) BRILLIANT, Nathan A 8200 Aarhus N (DK) HØRUP, Jesper 8200 Aarhus N (DK) (74) Representative: Vestas Patents Department  Hedeager 42 8200 Aarhus N 8200 Aarhus N (DK)