(19)

(11)

EP 2 209 989 A2

(12)

(88) Date of publication A3: 28.05.2009 (43) Date of publication: 28.07.2010 Bulletin 2010/30 (21) Application number: 08836590.3 (22) Date of filing: 02.10.2008

(51) International Patent Classification (IPC):  F02M 65/00(2006.01) (86) International application number: PCT/IB2008/002597 (87) International publication number: WO 2009/044261 (09.04.2009 Gazette 2009/15)

(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: 02.10.2007 IT BO20070670 (71) Applicant: AEA S.r.l. 60030 Rosora (AN) (IT)	(72) Inventors: CALABRIA, Raffaela I-80129 Napoli (IT) MASSOLI, Patrizio I-81043 Capua (IT) UNGARO, Carmine I-80070 Ischia (IT) (74) Representative: Manconi, Stefano et al Studio Torta Via Viotti, 9 10121 Torino 10121 Torino (IT)