(19)
(11) EP 4 798 910 A1

(12)

(43) Date of publication:
02.09.2026 Bulletin 2026/36

(21) Application number: 24794785.6

(22) Date of filing: 24.10.2024
(51) International Patent Classification (IPC): 
F24D 12/02(2006.01)
F24H 9/20(2022.01)
F24H 15/414(2022.01)
F24H 15/443(2022.01)
G05B 19/042(2006.01)
 F24D 19/10(2006.01)
F24H 15/104(2022.01)
F24H 15/429(2022.01)
F23N 5/24(2006.01)
(52) Cooperative Patent Classification (CPC):
F24D 12/02; F24D 2200/04; F24D 2200/12; F24H 9/2007; F24D 19/1066; F24D 19/1072; F24H 15/104; F24H 15/414; F24H 15/429; F24H 15/443; F23J 3/026
(86) International application number:
PCT/EP2024/080008
(87) International publication number:
WO 2025/088002 (01.05.2025 Gazette 2025/18)
(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:
GE KH MA MD TN

(30) Priority: 27.10.2023 EP 23206378

(71) Applicant: BDR Thermea Group B.V.
7332 BD Apeldoorn (NL)

(72) Inventors:
  • ZAIKH, Zakaria
    7332 BD Apeldoorn (NL)
  • EKKELENKAMP, Ralf
    7332 BD Apeldoorn (NL)
  • GESSLER, Roman
    7332 BD Apeldoorn (NL)
  • FREESE, Henning
    7332 BD Apeldoorn (NL)
  • PATZKE, Uwe
    7332 BD Apeldoorn (NL)
  • BOHNER, Florian
    7332 BD Apeldoorn (NL)
  • BRUNKEN, Dirk
    7332 BD Apeldoorn (NL)

(74) Representative: Grabovac, Dalibor 
AAP Patentanwaltskanzlei Grabovac Pfeivestlstr. 12
81243 München
81243 München (DE)

   


(54) METHOD FOR SWITCHING A HYBRID SYSTEM TO A CHIMNEY SWEEPER MODE