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(11)

EP 4 348 058 A1

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(43) Date of publication: 10.04.2024 Bulletin 2024/15 (21) Application number: 22734680.6 (22) Date of filing: 01.06.2022

(51) International Patent Classification (IPC):  F04D 27/00(2006.01) H02K 11/21(2016.01) F04D 29/42(2006.01) (52) Cooperative Patent Classification (CPC): F04D 27/001; F04D 29/4226 (86) International application number: PCT/IB2022/055145 (87) International publication number: WO 2022/254365 (08.12.2022 Gazette 2022/49)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 01.06.2021 IT 202100014372 (71) Applicant: Ebara Pumps Europe S.p.A. 38023 Cles (TN) (IT)	(72) Inventors: POZZA, Federica 36044 Val Liona (IT) MACCIONI, Valentina 55049 Viareggio (IT) MAULE, Mauro Antonio 36073 Cornedo Vicentino (IT) (74) Representative: ABM Agenzia Brevetti & Marchi  Viale Giovanni Pisano, 31 56123 Pisa 56123 Pisa (IT)