(19)

(11)

EP 3 589 837 A1

(12)

(43) Date of publication: 08.01.2020 Bulletin 2020/02 (21) Application number: 18719317.2 (22) Date of filing: 28.02.2018

(51) International Patent Classification (IPC):  F03D 5/00(2006.01) (86) International application number: PCT/IT2018/050031 (87) International publication number: WO 2018/158789 (07.09.2018 Gazette 2018/36)

(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: 02.03.2017 IT 201700023475 02.03.2017 IT 201700023510 02.03.2017 IT 201700023540 (71) Applicant: GHIVARELLO, Marco 10148 Turin (IT)	(72) Inventor: GHIVARELLO, Marco 10148 Turin (IT)