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(11)

EP 4 314 660 A1

(12)

(43) Date of publication: 07.02.2024 Bulletin 2024/06 (21) Application number: 22713218.0 (22) Date of filing: 10.03.2022

(51) International Patent Classification (IPC):  F24F 3/06(2006.01) F24F 11/63(2018.01) F24F 11/89(2018.01) F24F 11/84(2018.01) F24F 110/20(2018.01) F24F 11/30(2018.01) F24F 11/83(2018.01) F24F 11/46(2018.01) F24F 110/10(2018.01) (52) Cooperative Patent Classification (CPC): F24F 3/065; F24F 11/30; F24F 11/63; F24F 11/83; F24F 11/89; F24F 11/84; F24F 11/47; F24F 2110/10; F24F 2110/20; F24F 11/46 (86) International application number: PCT/US2022/019819 (87) International publication number: WO 2022/212000 (06.10.2022 Gazette 2022/40)

(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: 31.03.2021 US 202163168552 P 21.10.2021 US 202163270385 P (71) Applicant: Tyco Fire & Security GmbH 8212 Neuhausen am Rheinfall (CH)	(72) Inventor: CARTER, Thomas Preston Olney, Maryland 20832 (US) (74) Representative: Meissner Bolte Partnerschaft mbB  Patentanwälte Rechtsanwälte Postfach 10 26 05 86016 Augsburg 86016 Augsburg (DE)