(19)

(11)

EP 4 539 959 A1

(12)

(43) Date of publication: 23.04.2025 Bulletin 2025/17 (21) Application number: 23738874.9 (22) Date of filing: 15.06.2023

(51) International Patent Classification (IPC):  B01D 53/04(2006.01) F04B 39/16(2006.01) B01D 53/26(2006.01) (52) Cooperative Patent Classification (CPC): B01D 53/261; B01D 53/0462; F04B 39/16; B01D 2259/40003; B01D 2259/4009; B01D 2259/402 (86) International application number: PCT/IB2023/056180 (87) International publication number: WO 2023/242785 (21.12.2023 Gazette 2023/51)

(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: 16.06.2022 BE 202205476 (71) Applicant: Atlas Copco Airpower, Naamloze Vennootschap 2610 Wilrijk (BE)	(72) Inventor: HERMANS, Hans 2610 Wilrijk (BE) (74) Representative: Van Minnebruggen, Ewan Benito Agnes  Atlas Copco Airpower, N.V. Airtec Division P.O. Box 101 Boomsesteenweg 957 2610 Wilrijk 2610 Wilrijk (BE)