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(11)

EP 4 739 887 A1

(12)

(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 24733683.7 (22) Date of filing: 03.06.2024

(51) International Patent Classification (IPC):  F01C 21/10(2006.01) F04C 25/02(2006.01) F04D 17/16(2006.01) F04D 29/08(2006.01) F04C 23/00(2006.01) F04C 27/00(2006.01) F04D 19/04(2006.01) (52) Cooperative Patent Classification (CPC): F04C 27/005; F04C 25/02; F04D 29/083; F04C 2220/10; F04C 2220/12; F01C 21/104; F04C 23/001; F04C 18/16; F04D 17/16; F04D 19/04; F04C 18/126 (86) International application number: PCT/GB2024/051440 (87) International publication number: WO 2025/008603 (09.01.2025 Gazette 2025/02)

(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: 03.07.2023 GB 202310174 (71) Applicant: Edwards Limited Burgess Hill, Sussex RH15 9TW (GB)	(72) Inventors: LONG, Cainan Burgess Hill Sussex RH15 9TW (GB) NORTH, Michael Henry Burgess Hill Sussex RH15 9TW (GB) KAILASAM, Sivabalan Burgess Hill Sussex RH15 9TW (GB) TOMKINS, Mark Edward Burgess Hill Sussex RH15 9TW (GB) (74) Representative: Ford, Alexander  Edwards Limited Innovation Drive Burgess Hill, West Sussex RH15 9TW Burgess Hill, West Sussex RH15 9TW (GB)