(19)

(11)

EP 4 771 276 A1

(12)

(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24748717.6 (22) Date of filing: 19.07.2024

(51) International Patent Classification (IPC):  F03D 80/50(2016.01) (52) Cooperative Patent Classification (CPC): F03D 80/501; F05B 2240/95; F03D 80/502 (86) International application number: PCT/LV2024/050010 (87) International publication number: WO 2025/048624 (06.03.2025 Gazette 2025/10)

(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: GE KH MA MD TN (30) Priority: 01.09.2023 LV 230082 (71) Applicant: Aerones Engineering, SIA 1073 Riga (LV)	(72) Inventor: PUTRAMS, Janis 1019 Riga (LV) (74) Representative: Fortuna, Jevgenijs  Foral Patent Law Offices Kaleju iela 14-7 1050 Riga 1050 Riga (LV)