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(11)

EP 4 463 615 A1

(12)

(43) Date of publication: 20.11.2024 Bulletin 2024/47 (21) Application number: 23700748.9 (22) Date of filing: 11.01.2023

(51) International Patent Classification (IPC):  F01D 11/00(2006.01) F01D 25/16(2006.01) F01D 25/24(2006.01) F01D 11/02(2006.01) F01D 25/18(2006.01) (52) Cooperative Patent Classification (CPC): F01D 11/003; F01D 11/02; F01D 25/16; F01D 25/162; F01D 25/18; F01D 25/183; F05D 2220/40; F01D 25/24 (86) International application number: PCT/EP2023/050552 (87) International publication number: WO 2023/135174 (20.07.2023 Gazette 2023/29)

(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: 11.01.2022 EP 22151006 (71) Applicant: Turbo Systems Switzerland Ltd. 5400 Baden (CH)	(72) Inventors: ZUCCHELLI, Alessandro 5400 Baden (CH) STREBEL, Andreas 5423 Freienwil (CH) (74) Representative: Zimmermann & Partner Patentanwälte mbB  Postfach 330 920 80069 München 80069 München (DE)