(19)

(11)

EP 3 737 834 A2

(12)

(88) Date of publication A3: 18.07.2019 (43) Date of publication: 18.11.2020 Bulletin 2020/47 (21) Application number: 18839854.9 (22) Date of filing: 16.11.2018

(51) International Patent Classification (IPC):  F01C 1/22(2006.01) F01C 21/10(2006.01) (86) International application number: PCT/IB2018/001430 (87) International publication number: WO 2019/102267 (31.05.2019 Gazette 2019/22)

(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 (30) Priority: 23.11.2017 IT 201700134832 (71) Applicant: Ramaioli, Francesco 27100 Pavia (IT)	(72) Inventor: Ramaioli, Francesco 27100 Pavia (IT)