(19)

(11)

EP 4 348 055 A1

(12)

(43) Date of publication: 10.04.2024 Bulletin 2024/15 (21) Application number: 22731287.3 (22) Date of filing: 01.06.2022

(51) International Patent Classification (IPC):  F04D 19/04(2006.01) F04D 29/02(2006.01) F04D 25/06(2006.01) (52) Cooperative Patent Classification (CPC): F04D 19/044; F04D 29/023; F05D 2230/20; F05D 2300/43; F04D 25/0606; F05D 2230/30 (86) International application number: PCT/GB2022/051397 (87) International publication number: WO 2022/254213 (08.12.2022 Gazette 2022/49)

(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: 04.06.2021 GB 202108014 (71) Applicant: Edwards Limited Burgess Hill, Sussex RH15 9TW (GB)	(72) Inventor: SUAREZ ARIAS, Daniel Burgess Hill Sussex RH15 9TW (GB) (74) Representative: Totman, Clare Elizabeth  Edwards Limited Innovation Drive Burgess Hill, West Sussex RH15 9TW Burgess Hill, West Sussex RH15 9TW (GB)