(19)

(11)

EP 4 396 503 A1

(12)

(43) Date of publication: 10.07.2024 Bulletin 2024/28 (21) Application number: 22707055.4 (22) Date of filing: 14.02.2022

(51) International Patent Classification (IPC):  F25B 6/02(2006.01) F25B 30/02(2006.01) F25B 6/04(2006.01) F25B 30/06(2006.01) (52) Cooperative Patent Classification (CPC): F25B 6/02; F25B 6/04; F25B 30/06; F25B 30/02; F25B 2339/047; F25B 2339/042; F25B 2400/06; F25B 2400/24 (86) International application number: PCT/EP2022/053550 (87) International publication number: WO 2023/030696 (09.03.2023 Gazette 2023/10)

(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: 03.09.2021 GB 202112604 (71) Applicant: Kensa Heat Pumps Limited Truro, Cornwall TR4 8RJ (GB)	(72) Inventors: STANDLEY, James Truro Cornwall TR4 8RJ (GB) CASHMORE, Guy Truro Cornwall TR4 8RJ (GB) TREWHELLA, Matthew Truro Cornwall TR4 8RJ (GB) ILIFFE, Craig Truro Cornwall TR4 8RJ (GB) (74) Representative: Bryers Intellectual Property Ltd  Bristol & Bath Science Park Dirac Crescent, Emerson's Green Bristol, BS16 7FR Bristol, BS16 7FR (GB)