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EP 4 771 323 A1

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(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24812445.5 (22) Date of filing: 19.11.2024

(51) International Patent Classification (IPC):  F25D 23/00(2006.01) A01K 41/02(2006.01) F24C 7/00(2006.01) F25B 21/02(2006.01) B01L 1/00(2006.01) F27D 17/10(2025.01) (52) Cooperative Patent Classification (CPC): F25D 23/003; F25D 2323/0021; F25B 21/02; F25D 2400/20; A01K 1/031; F25B 2321/0251; Y02B 30/56 (86) International application number: PCT/EP2024/082875 (87) International publication number: WO 2025/108947 (30.05.2025 Gazette 2025/22)

(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: 21.11.2023 DE 102023132431 (71) Applicant: Thermo Electron LED GmbH 63505 Langenselbold (DE)	(72) Inventors: ZÄPF, Wolfgang 36041 Fulda (DE) LUY, Frank 63579 Freigericht (DE) (74) Representative: Stellbrink & Partner Patentanwälte mbB  Widenmayerstrasse 10 80538 München 80538 München (DE)