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EP 4 816 684 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24837113.0 (22) Date of filing: 22.11.2024

(51) International Patent Classification (IPC):  F02D 13/06(2006.01) F02D 41/00(2006.01) F02D 19/06(2006.01) F02D 41/02(2006.01) (52) Cooperative Patent Classification (CPC): F02D 41/0087; F02D 2200/0802; F02D 41/025; F02D 41/008; F02D 13/06; F02D 2200/1015; F02D 19/0644; F02D 41/0027; F02D 2250/18; Y02T 10/12 (86) International application number: PCT/IB2024/061716 (87) International publication number: WO 2025/114835 (05.06.2025 Gazette 2025/23)

(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: 29.11.2023 IT 202300025362 (71) Applicant: DUMAREY SOFTRONIX 10129 Torino (IT)	(72) Inventors: CANCELLIERI, Angelo 10129 Torino (IT) CIARAVINO, Claudio 10129 Torino (IT) MAISOLA, Barbara 10129 Torino (IT) SPEDICATO, Tonio 10129 Torino (IT) (74) Representative: Bruni, Giovanni  Laforgia, Bruni & Partners Corso Duca degli Abruzzi, 2 10128 Torino 10128 Torino (IT)