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EP 4 136 396 A1

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(43) Date of publication: 22.02.2023 Bulletin 2023/08 (21) Application number: 20829310.0 (22) Date of filing: 01.12.2020

(51) International Patent Classification (IPC):  F28D 7/16(2006.01) F28F 9/22(2006.01) F28F 19/00(2006.01) F28F 9/013(2006.01) F28F 9/24(2006.01) (52) Cooperative Patent Classification (CPC): F28D 7/1607; F28D 7/0075; F28F 9/0132; F28F 2009/228; F28F 9/0275; F28F 2250/106; F28D 21/0001; F28F 2265/28; F28F 2265/30; F28F 19/00; F28F 9/22; F28F 9/013; F28F 9/24 (86) International application number: PCT/CZ2020/000052 (87) International publication number: WO 2022/117129 (09.06.2022 Gazette 2022/23)

(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 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 (71) Applicant: Vysoké Uceni Technické V Brne 601 90 Brno (CZ)	(72) Inventors: KLEMES , Jirí 621 00 Brno (CZ) VARBANOV, Petar Sabev Sorompó 8200 (HU) HEMZAL, Milan 602 00 Brno (CZ) (74) Representative: Malusek, Jiri  Kania, Sedlak, Smola - Patent Attorney Mendlovo namesti 1a 603 00 Brno 603 00 Brno (CZ)