(19)

(11)

EP 4 584 500 A1

(12)

(43) Date of publication: 16.07.2025 Bulletin 2025/29 (21) Application number: 23804934.0 (22) Date of filing: 25.10.2023

(51) International Patent Classification (IPC):  F04D 1/00(2006.01) F04D 15/00(2006.01) F04B 49/02(2006.01) F04D 13/06(2006.01) F04D 29/66(2006.01) F04C 14/28(2006.01) (52) Cooperative Patent Classification (CPC): F04D 1/00; F04D 13/06; F04D 15/0077; F04D 15/0088; F04D 29/669 (86) International application number: PCT/EP2023/079801 (87) International publication number: WO 2024/089115 (02.05.2024 Gazette 2024/18)

(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: KH MA MD TN (30) Priority: 28.10.2022 EP 22204352 (71) Applicant: Siemens Aktiengesellschaft 80333 München (DE)	(72) Inventors: BORMANN, Ulf 90518 Altdorf (DE) SCHEIBNER, Dirk 90469 Nürnberg (DE) SCHIMMER, Jürgen 90473 Nürnberg (DE) ZETTNER, Jürgen 90587 Veitsbronn (DE) (74) Representative: Siemens Patent Attorneys  Postfach 22 16 34 80506 München 80506 München (DE)