(19)

(11)

EP 2 310 685 A1

(12)

(43) Date of publication: 20.04.2011 Bulletin 2011/16 (21) Application number: 09804570.1 (22) Date of filing: 05.08.2009

(51) International Patent Classification (IPC):  F04D 9/04(2006.01) (86) International application number: PCT/EP2009/060142 (87) International publication number: WO 2010/015650 (11.02.2010 Gazette 2010/06)

(84) Designated Contracting States: 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 SE SI SK SM TR Designated Extension States: AL BA RS (30) Priority: 08.08.2008 IT PD20080249 (71) Applicant: DAB Pumps S.p.A. 35035 Mestrino (IT)	(72) Inventor: SINICO, Francesco I-36075 Montecchio Maggiore (IT) (74) Representative: Modiano, Micaela Nadia  Dr. Modiano & Associati SpA Via Meravigli 16 20123 Milano 20123 Milano (IT)