(19)

(11)

EP 2 572 048 A1

(12)

(43) Date of publication: 27.03.2013 Bulletin 2013/13 (21) Application number: 10782640.6 (22) Date of filing: 03.12.2010

(51) International Patent Classification (IPC):  E03B 1/04(2006.01) (86) International application number: PCT/EP2010/068792 (87) International publication number: WO 2011/073040 (23.06.2011 Gazette 2011/25)

(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: 01.12.2009 ES 200902263 (71) Applicant: Ecotech Hydrosystems Barcelona S.L. 08210 Barberà Del Vallès (ES)	(72) Inventor: GRANDE HERNANDEZ, Claudio E-17490 Llançà (ES) (74) Representative: ZBM Patents  Zea, Barlocci & Markvardsen Plaza Catalunya, 1 08002 Barcelona 08002 Barcelona (ES)