(19)

(11)

EP 4 577 325 A1

(12)

(43) Date of publication: 02.07.2025 Bulletin 2025/27 (21) Application number: 23752055.6 (22) Date of filing: 27.07.2023

(51) International Patent Classification (IPC):  B01D 53/04(2006.01) F04B 39/00(2006.01) B01D 53/26(2006.01) (52) Cooperative Patent Classification (CPC): B01D 53/261; B01D 53/0462; B01D 2259/40003; B01D 2259/40077; F04B 39/16 (86) International application number: PCT/IB2023/057627 (87) International publication number: WO 2024/042400 (29.02.2024 Gazette 2024/09)

(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: 23.08.2022 BE 202205665 (71) Applicant: ATLAS COPCO AIRPOWER, naamloze vennootschap 2610 Wilrijk (BE)	(72) Inventor: VERTRIEST, Danny 2610 Wilrijk (BE) (74) Representative: Atlas Copco Airpower IP department  Airtec Division P.O. Box 101 Boomsesteenweeg 957 2610 Wilrijk 2610 Wilrijk (BE)