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(11)

EP 4 237 762 A1

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(43) Date of publication: 06.09.2023 Bulletin 2023/36 (21) Application number: 21887540.9 (22) Date of filing: 28.10.2021

(51) International Patent Classification (IPC):  F25B 25/00(2006.01) F25B 41/00(2021.01) F25B 39/02(2006.01) F28D 7/16(2006.01) (52) Cooperative Patent Classification (CPC): F25B 25/00; F25B 41/00; F25B 39/02; F28D 7/16; F28D 7/0066; F28D 2021/0071; F25B 2400/13 (86) International application number: PCT/US2021/057099 (87) International publication number: WO 2022/094115 (05.05.2022 Gazette 2022/18)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 28.10.2020 CN 202011172089 28.10.2020 CN 202022441285 U (71) Applicants: Johnson Controls Building Efficiency Technology (Wuxi) Co., Limited Wuxi, Jiangsu 214028 (CN) Johnson Controls Tyco IP Holdings LLP Milwaukee, WI 53209 (US)

(72) Inventors: YANG, Yao Wuxi, Jiangsu 214028 (CN) GAO, Xingshun York, Pennsylvania 17404 (US) (74) Representative: Meissner Bolte Partnerschaft mbB  Patentanwälte Rechtsanwälte Postfach 10 26 05 86016 Augsburg 86016 Augsburg (DE)