(19)

(11)

EP 4 824 495 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24904766.3 (22) Date of filing: 11.12.2024

(51) International Patent Classification (IPC):  F28F 1/24(2006.01) F28D 7/08(2006.01) F28D 1/04(2006.01) F28F 1/02(2006.01) (52) Cooperative Patent Classification (CPC): F28D 1/0477; F28F 1/32; F28D 1/0417 (86) International application number: PCT/US2024/059468 (87) International publication number: WO 2025/128631 (19.06.2025 Gazette 2025/25)

(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: GE KH MA MD TN (30) Priority: 11.12.2023 US 202363608514 P (71) Applicant: Baltimore Aircoil Company, Inc. Jessup, MD 20794 (US)	(72) Inventors: XU, Jian Road Jessup, Maryland 20794 (US) HOLLANDER, Philip Road Jessup, Maryland 20794 (US) LITWACK, Ellie M. Road Jessup, Maryland 20794 (US) RUSSELL, Gregory Adam Road Jessup, Maryland 20794 (US) (74) Representative: Dehns  10 Old Bailey London EC4M 7NG London EC4M 7NG (GB)