(19)

(11)

EP 4 798 852 A1

(12)

(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24805428.0 (22) Date of filing: 23.10.2024

(51) International Patent Classification (IPC):  F03D 1/06(2006.01) F03D 17/00(2016.01) (52) Cooperative Patent Classification (CPC): F05B 2270/334; F05B 2220/709; G01M 5/0066; F03D 17/008; F03D 17/015; F03D 17/017; F03D 17/028; F03D 1/06495; F05B 2240/122 (86) International application number: PCT/EP2024/079926 (87) International publication number: WO 2025/087956 (01.05.2025 Gazette 2025/18)

(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: 26.10.2023 US 202363545865 P (71) Applicant: Windtak Sp.z.o.o. 93-578 Lodz (PL)	(72) Inventor: KARCZEWSKI, Maciej 93-172 Lodz (PL) (74) Representative: Kancelaria Eupatent.pl Sp. z o.o.  ul. Jana Kilinskiego 193 lok. 2.13 93-106 Lodz 93-106 Lodz (PL)