(19)

(11)

EP 4 423 366 A1

(12)

(43) Date of publication: 04.09.2024 Bulletin 2024/36 (21) Application number: 22886215.7 (22) Date of filing: 26.10.2022

(51) International Patent Classification (IPC):  F01C 1/063(2006.01) F02B 53/00(2006.01) (52) Cooperative Patent Classification (CPC): F01B 9/042; F01B 2009/045; F01C 1/073; F01C 20/00; F01C 21/008; F02B 55/14; F02B 75/32; Y02T 10/12 (86) International application number: PCT/HU2022/050075 (87) International publication number: WO 2023/073388 (04.05.2023 Gazette 2023/18)

(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: 28.10.2021 HU 2100372 (71) Applicant: Szlovák, Ferenc 2163 Vácrátót (HU)	(72) Inventor: Szlovák, Ferenc 2163 Vácrátót (HU) (74) Representative: Mészarosné Donusz, Katalin  S.B.G. & K. Patent and Law Offices Andrassy ut 113. 1062 Budapest 1062 Budapest (HU)