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EP 4 330 605 A1

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(43) Date of publication: 06.03.2024 Bulletin 2024/10 (21) Application number: 22796403.8 (22) Date of filing: 20.04.2022

(51) International Patent Classification (IPC):  F24F 13/02(2006.01) B60H 1/34(2006.01) F24F 13/06(2006.01) B60H 1/26(2006.01) B60J 9/04(2006.01) (52) Cooperative Patent Classification (CPC): F24F 2013/0608; F24F 13/06; F24F 13/0209 (86) International application number: PCT/US2022/025483 (87) International publication number: WO 2022/231895 (03.11.2022 Gazette 2022/44)

(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: 28.04.2021 US 202117242432 (71) Applicant: Captive-Aire Systems, Inc. Raleigh, NC 27616 (US)	(72) Inventors: GRIFFIN, William Brian Columbia, Pennsylvania 17512 (US) PERRY, Nicholas Warrington, Pennsylvania 18976 (US) THOMPSON, Kyle Lancaster, Pennsylvania 17601 (US) HESS, Joshua Washington Boro, Pennsylvania 17582 (US) (74) Representative: AWA Sweden AB  Matrosgatan 1 Box 5117 200 71 Malmö 200 71 Malmö (SE)