(19)

(11)

EP 3 827 172 A1

(12)

(43) Date of publication: 02.06.2021 Bulletin 2021/22 (21) Application number: 19742214.0 (22) Date of filing: 23.07.2019

(51) International Patent Classification (IPC):  F04C 2/344(2006.01) F04C 14/02(2006.01) F04C 13/00(2006.01) F04C 11/00(2006.01) F04C 2/356(2006.01) F01C 1/00(2006.01) F04C 15/00(2006.01) (86) International application number: PCT/EP2019/069755 (87) International publication number: WO 2020/020864 (30.01.2020 Gazette 2020/05)

(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: 23.07.2018 EP 18184949 (71) Applicant: Revotory 1150 Woluwe-Saint-Pierre (BE)	(72) Inventor: DECUGNIERE, Antoine 1150 Woluwe-Saint-Pierre (BE) (74) Representative: Connor, Marco Tom et al Pecher & Partners Rue Louis de Geer, 6 1348 Louvain-la-Neuve 1348 Louvain-la-Neuve (BE)