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(11)

EP 3 117 048 A1

(12)

(43) Date of publication: 18.01.2017 Bulletin 2017/03 (21) Application number: 15708490.6 (22) Date of filing: 04.03.2015

(51) International Patent Classification (IPC):  E03F 5/22(2006.01) F04D 13/00(2006.01) (86) International application number: PCT/EP2015/054527 (87) International publication number: WO 2015/135811 (17.09.2015 Gazette 2015/37)

(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: MA (30) Priority: 14.03.2014 BE 201400169 (71) Applicant: Hydro+ 5020 Suarlée (BE)	(72) Inventor: GIVRON, Yves B-5000 Namur (BE) (74) Representative: De Groote, Christophe et al Abyoo sprl Centre Monnet Avenue Jean Monnet, 1 1348 Louvain-la-Neuve 1348 Louvain-la-Neuve (BE)