(19)

(11)

EP 3 980 632 A1

(12)

(43) Date of publication: 13.04.2022 Bulletin 2022/15 (21) Application number: 20744148.6 (22) Date of filing: 26.05.2020

(51) International Patent Classification (IPC):  F02B 25/20(2006.01) F01L 7/12(2006.01) F02B 75/28(2006.01) F01L 1/38(2006.01) F02B 75/02(2006.01) (52) Cooperative Patent Classification (CPC): F02B 25/20; F02B 2075/025; F02B 75/28; F01L 3/20; F01L 21/04; F01L 1/46 (86) International application number: PCT/IT2020/050135 (87) International publication number: WO 2020/245854 (10.12.2020 Gazette 2020/50)

(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: 04.06.2019 IT 201900008049 (71) Applicant: FIORETTI, Salvatore 80145 Napoli (IT)	(72) Inventor: FIORETTI, Salvatore 80145 Napoli (IT)