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(11)

EP 4 505 585 A1

(12)

(43) Date of publication: 12.02.2025 Bulletin 2025/07 (21) Application number: 22720414.6 (22) Date of filing: 01.04.2022

(51) International Patent Classification (IPC):  H02K 29/08(2006.01) H02K 11/33(2016.01) H02K 5/128(2006.01) (52) Cooperative Patent Classification (CPC): H02K 29/08; H02K 5/128; H02K 11/33; H02K 11/27; H02K 11/215 (86) International application number: PCT/EP2022/058798 (87) International publication number: WO 2023/186329 (05.10.2023 Gazette 2023/40)

(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 (71) Applicant: Pierburg Pump Technology GmbH 41460 Neuss (DE)	(72) Inventors: BÜRGER, Frank 41460 Neuss (DE) HÖRNER, Eduard 41460 Neuss (DE) BEUTLER, Richard 41460 Neuss (DE) (74) Representative: terpatent PartGmbB  Burgunderstraße 29 40549 Düsseldorf 40549 Düsseldorf (DE)