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EP 4 770 791 A1

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(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 25713775.2 (22) Date of filing: 10.03.2025

(51) International Patent Classification (IPC):  B01F 25/441(2022.01) B01F 33/81(2022.01) F16K 17/04(2006.01) B01F 25/442(2022.01) F16K 1/42(2006.01) (52) Cooperative Patent Classification (CPC): B01F 25/4423; B01F 25/4414; B01F 33/813 (86) International application number: PCT/IB2025/052547 (87) International publication number: WO 2025/253189 (11.12.2025 Gazette 2025/50)

(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: GE KH MA MD TN (30) Priority: 04.06.2024 IT 202400012685 (71) Applicant: GEA Mechanical Equipment Italia S.p.A. 43123 Parma (IT)	(72) Inventors: FONTANESI, Filippo 43123 PARMA (IT) TONELLI, Annachiara 43123 PARMA (IT) (74) Representative: Dondi, Silvia  Bugnion S.p.A. Largo Michele Novaro, 1/A 43121 Parma 43121 Parma (IT)