(19)

(11)

EP 4 172 506 A2

(12)

(88) Date of publication A3: 03.02.2022 (43) Date of publication: 03.05.2023 Bulletin 2023/18 (21) Application number: 21733918.3 (22) Date of filing: 11.06.2021

(51) International Patent Classification (IPC):  F04D 29/44(2006.01) F04D 19/00(2006.01) F04D 29/54(2006.01) (52) Cooperative Patent Classification (CPC): F04D 29/441; F04D 29/545; F04D 29/547; F04D 29/602; F04D 25/08; F04D 19/002; F05D 2250/11 (86) International application number: PCT/EP2021/065852 (87) International publication number: WO 2021/259681 (30.12.2021 Gazette 2021/52)

(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: 25.06.2020 GB 202009713 (71) Applicant: Mosen Ltd Forest Row East Sussex RH18 5FS (GB)	(72) Inventor: TARADA, Fathi Sussex RH18 5FS (GB) (74) Representative: Fry, David John  Agile IP LLP Airport House Purley Way Croydon, Surrey CR0 0XZ Croydon, Surrey CR0 0XZ (GB)