(19)

(11)

EP 4 248 072 A1

(12)

(43) Date of publication: 27.09.2023 Bulletin 2023/39 (21) Application number: 21819176.5 (22) Date of filing: 19.11.2021

(51) International Patent Classification (IPC):  F02B 25/06(2006.01) F01B 17/02(2006.01) F02M 26/19(2016.01) F02M 26/59(2016.01) F02M 26/30(2016.01) F02B 75/02(2006.01) F02M 26/13(2016.01) F02M 26/23(2016.01) F02B 25/04(2006.01) (52) Cooperative Patent Classification (CPC): F02M 26/13; F02M 26/19; F02M 26/23; F02M 26/59; F02B 25/04; F02M 26/30; F02B 2075/025 (86) International application number: PCT/GB2021/053007 (87) International publication number: WO 2022/106840 (27.05.2022 Gazette 2022/21)

(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: 19.11.2020 GB 202018202 (71) Applicant: Warburton, Adam Figtree, NSW 2525 (AU)	(72) Inventor: Warburton, Adam Figtree, NSW 2525 (AU) (74) Representative: Murgitroyd & Company  Murgitroyd House 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)