(19)

(11)

EP 4 323 696 A1

(12)

(43) Date of publication: 21.02.2024 Bulletin 2024/08 (21) Application number: 22722472.2 (22) Date of filing: 12.04.2022

(51) International Patent Classification (IPC):  F24C 7/00(2006.01) (52) Cooperative Patent Classification (CPC): F24C 7/00 (86) International application number: PCT/EP2022/059731 (87) International publication number: WO 2022/218971 (20.10.2022 Gazette 2022/42)

(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: 13.04.2021 GB 202105242 (71) Applicant: UK Innovations Group Limited Pavenham Bedfordshire MK43 7NJ (GB)	(72) Inventor: MCGINLEY, Michael Pavenham Bedfordshire MK43 7NJ (GB) (74) Representative: Sandersons  D2 Knowledge Gateway Nesfield Road Colchester, Essex CO4 3ZL Colchester, Essex CO4 3ZL (GB)