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EP 4 473 196 A1

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(43) Date of publication: 11.12.2024 Bulletin 2024/50 (21) Application number: 23705655.1 (22) Date of filing: 30.01.2023

(51) International Patent Classification (IPC):  F01D 1/04(2006.01) F01D 15/10(2006.01) F01D 11/00(2006.01) F01D 25/20(2006.01) F01D 1/06(2006.01) F01D 11/02(2006.01) F01D 25/18(2006.01) F01K 21/00(2006.01) (52) Cooperative Patent Classification (CPC): F01D 1/04; F01D 1/06; F01D 15/10; F01D 11/02; F01D 11/003; F01D 25/183; F01D 25/20; F01K 21/005 (86) International application number: PCT/IB2023/050793 (87) International publication number: WO 2023/148602 (10.08.2023 Gazette 2023/32)

(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: 02.02.2022 IT 202200001793 (71) Applicant: Turboden S.p.A. 25124 Brescia (IT)	(72) Inventors: BINI, Roberto 25124 Brescia (IT) GAIA, Mario 25124 Brescia (IT) COLOMBO, Davide 25124 Brescia (IT) (74) Representative: Bruni, Giovanni  Laforgia, Bruni & Partners Corso Duca degli Abruzzi, 2 10128 Torino 10128 Torino (IT)