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(11)

EP 4 532 901 A1

(12)

(43) Date of publication: 09.04.2025 Bulletin 2025/15 (21) Application number: 23729678.5 (22) Date of filing: 24.05.2023

(51) International Patent Classification (IPC):  F01K 3/18(2006.01) F22B 1/12(2006.01) F22B 1/16(2006.01) F22B 1/02(2006.01) F22B 1/14(2006.01) (52) Cooperative Patent Classification (CPC): F01K 3/181; F22B 1/023; F22B 1/123; F22B 1/143; F22B 1/162 (86) International application number: PCT/EP2023/063950 (87) International publication number: WO 2023/227674 (30.11.2023 Gazette 2023/48)

(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: KH MA MD TN (30) Priority: 26.05.2022 GB 202207761 (71) Applicant: EGB Engineering Consultants Ltd Southwell, Nottinghamshire NG25 0BB (GB)	(72) Inventors: GAD-BRIGGS, Arnold Ayanate Nottinghamshire NG25 0BB (GB) OSIGWE, Emmanuel O. Nottinghamshire NG25 0BB (GB) (74) Representative: Woodhill, Matthew James et al Kilburn & Strode LLP Lacon London 84 Theobalds Road London WC1X 8NL London WC1X 8NL (GB)