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(11)

EP 4 463 659 A1

(12)

(43) Date of publication: 20.11.2024 Bulletin 2024/47 (21) Application number: 23740696.2 (22) Date of filing: 13.01.2023

(51) International Patent Classification (IPC):  F24F 13/24(2006.01) F24F 13/20(2006.01) F24F 1/12(2011.01) (52) Cooperative Patent Classification (CPC): F24H 4/04; F24H 9/02 (86) International application number: PCT/US2023/010792 (87) International publication number: WO 2023/137173 (20.07.2023 Gazette 2023/29)

(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: 14.01.2022 US 202263299740 P (71) Applicant: Rheem Manufacturing Company Atlanta, GA 30328 (US)	(72) Inventors: MAHAJAN, Govinda Atlanta, Georgia 30328 (US) WEITHERSPOON, Damian Atlanta, Georgia 30328 (US) HAGGERTY, Brandon Atlanta, Georgia 30328 (US) ADLER, David Atlanta, Georgia 30328 (US) PATEL, Dhrumit Nareshbhai Atlanta, Georgia 30328 (US) (74) Representative: Reddie & Grose LLP  The White Chapel Building 10 Whitechapel High Street London E1 8QS London E1 8QS (GB)