(19)

(11)

EP 4 334 648 A1

(12)

(43) Date of publication: 13.03.2024 Bulletin 2024/11 (21) Application number: 22736351.2 (22) Date of filing: 28.04.2022

(51) International Patent Classification (IPC):  F24F 5/00(2006.01) (52) Cooperative Patent Classification (CPC): Y02E 60/14; F24F 5/0017; F24F 2005/0025; F24F 2221/54 (86) International application number: PCT/HU2022/000006 (87) International publication number: WO 2022/234306 (10.11.2022 Gazette 2022/45)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 03.05.2021 HU 2100077 U (71) Applicant: Szentgyörgyi, László 1212 Budapest (HU)	(72) Inventor: Szentgyörgyi, László 1212 Budapest (HU) (74) Representative: Mészarosné Donusz, Katalin  S.B.G. & K. Patent and Law Offices Andrassy ut 113. 1062 Budapest 1062 Budapest (HU)