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(11)

EP 4 581 268 A1

(12)

(43) Date of publication: 09.07.2025 Bulletin 2025/28 (21) Application number: 23762449.9 (22) Date of filing: 29.08.2023

(51) International Patent Classification (IPC):  F02M 21/02(2006.01) F04B 53/14(2006.01) F04B 15/08(2006.01) (52) Cooperative Patent Classification (CPC): F02M 21/0245; F04B 15/08; F04B 2015/081; F04B 53/143; F04B 2015/0822; F04B 53/103; F04B 53/16; F04B 53/164; F04B 53/10 (86) International application number: PCT/EP2023/073687 (87) International publication number: WO 2024/047050 (07.03.2024 Gazette 2024/10)

(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: 30.08.2022 EP 22192736 (71) Applicant: Svanehøj Danmark A/S 9230 Svenstrup J (DK)	(72) Inventors: HALKJÆR, Lau 9230 Svenstrup J (DK) ANDERSEN, Dennis Leth 9230 Svenstrup J (DK) (74) Representative: Plougmann Vingtoft a/s  Strandvejen 70 2900 Hellerup 2900 Hellerup (DK)