(19)

(11)

EP 4 463 632 A1

(12)

(43) Date of publication: 20.11.2024 Bulletin 2024/47 (21) Application number: 23701584.7 (22) Date of filing: 10.01.2023

(51) International Patent Classification (IPC):  F04D 19/04(2006.01) F04D 29/058(2006.01) F04D 29/02(2006.01) F16C 32/04(2006.01) (52) Cooperative Patent Classification (CPC): F04D 19/042; F04D 19/048; F04D 29/058; F05D 2300/507; F16C 2360/45; F16C 32/048; F16C 32/041; F16C 32/0478 (86) International application number: PCT/GB2023/050037 (87) International publication number: WO 2023/135412 (20.07.2023 Gazette 2023/29)

(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: 13.01.2022 GB 202200381 (71) Applicant: Edwards Limited Burgess Hill, Sussex RH15 9TW (GB)	(72) Inventor: LUCCHETTA, Emiliano Burgess Hill Sussex RH15 9TW (GB) (74) Representative: Booth, Andrew Steven  Edwards Limited Innovation Drive Burgess Hill, West Sussex RH15 9TW Burgess Hill, West Sussex RH15 9TW (GB)