(19)

(11)

EP 2 232 076 A2

(12)

(88) Date of publication A3: 17.09.2009 (43) Date of publication: 29.09.2010 Bulletin 2010/39 (21) Application number: 08857951.1 (22) Date of filing: 01.12.2008

(51) International Patent Classification (IPC):  F04B 49/00(2006.01) F04D 29/58(2006.01) F04D 27/02(2006.01) (86) International application number: PCT/IT2008/000736 (87) International publication number: WO 2009/072160 (11.06.2009 Gazette 2009/24)

(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 MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 04.12.2007 IT AN20070063 (71) Applicant: S.tra.te.g.i.e. S.r.l. 60131 Ancona (AN) (IT)	(72) Inventors: BARTOLINI, Carlo Maria 60019 Senigallia (AN) (IT) MARCANTONI, Michele 60020 Polverigi (AN) (IT) USCI, Rosalino 60035 Jesi (AN) (IT) (74) Representative: Provvisionato, Paolo  Provvisionato & Co S.r.l. Piazza di Porta Mascarella 7 40126 Bologna 40126 Bologna (IT)