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EP 4 532 993 A1

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(43) Date of publication: 09.04.2025 Bulletin 2025/15 (21) Application number: 23728692.7 (22) Date of filing: 22.05.2023

(51) International Patent Classification (IPC):  F24F 13/02(2006.01) F24H 9/02(2006.01) F24H 4/04(2006.01) F24D 17/02(2006.01) F24F 1/40(2011.01) F24F 11/89(2018.01) F24F 13/08(2006.01) F24D 11/02(2006.01) F24D 3/08(2006.01) F24F 13/24(2006.01) F24F 11/36(2018.01) F24F 7/06(2006.01) (52) Cooperative Patent Classification (CPC): F24H 9/02; F24H 9/06; F24H 4/02; F24F 1/56; F24F 2221/36; H05K 9/0045; H05K 9/0084 (86) International application number: PCT/EP2023/063553 (87) International publication number: WO 2023/232508 (07.12.2023 Gazette 2023/49)

(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: 30.05.2022 EP 22175985 25.08.2022 EP 22192067 04.10.2022 EP 22199450 04.10.2022 EP 22199451 27.10.2022 EP 22204018 27.10.2022 EP 22204019 13.12.2022 EP 22212981 30.01.2023 EP 23153946 (71) Applicant: BDR Thermea Group B.V. 7332 BD Apeldoorn (NL)

(72) Inventors: ANTOINE, Florian 7332 BD Apeldoorn (NL) BOEHM, Jean-François 7332 BD Apeldoorn (NL) BICHLER, Arnaud 7332 BD Apeldoorn (NL) (74) Representative: Dennemeyer & Associates S.A.  Postfach 70 04 25 81304 München 81304 München (DE)