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EP 4 569 278 A1

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(43) Date of publication: 18.06.2025 Bulletin 2025/25 (21) Application number: 23853391.3 (22) Date of filing: 11.08.2023

(51) International Patent Classification (IPC):  F25B 39/02(2006.01) F28D 7/16(2006.01) F28D 21/00(2006.01) F28F 9/02(2006.01) (52) Cooperative Patent Classification (CPC): F25B 39/02; F28D 7/163; F28F 2265/20; F28C 1/16; F25B 2339/021; F25B 2339/0242 (86) International application number: PCT/US2023/030075 (87) International publication number: WO 2024/035928 (15.02.2024 Gazette 2024/07)

(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: 11.08.2022 US 202263397244 P (71) Applicants: Johnson Controls Air Conditioning And Refrigeration (Wuxi) Co., Ltd. Wuxi, Jiangsu 214000 (CN) Tyco Fire & Security GmbH 8212 Neuhausen am Rheinfall (CH)

(72) Inventors: SHEAFFER, Bryson Lee Mechanicsburg, Pennsylvania 17050 (US) MEI, Lu Wuxi, Jiangsu 214000 (CN) MCCUNE, Joel R. Huntersville, North Carolina 28078 (US) SU, Xiuping Wuxi, Jiangsu 21400 (CN) (74) Representative: Meissner Bolte Nürnberg  Patentanwälte Rechtsanwälte Partnerschaft mbB Bankgasse 3 90402 Nürnberg 90402 Nürnberg (DE)