(19)

(11)

EP 2 162 685 A1

(12)

(43) Date of publication: 17.03.2010 Bulletin 2010/11 (21) Application number: 08776409.8 (22) Date of filing: 14.05.2008

(51) International Patent Classification (IPC):  F24J 2/20(2006.01) F24J 2/48(2006.01) (86) International application number: PCT/IB2008/051895 (87) International publication number: WO 2009/007863 (15.01.2009 Gazette 2009/03)

(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: 10.07.2007 IT MO20070232 (71) Applicant: System S.p.A. 41042 Fiorano Modenese (Modena) (IT)	(72) Inventor: STEFANI, Franco I-41049 Modena (IT) (74) Representative: Gotra, Stefano  BUGNION S.p.A. Via M. Vellani, 20 41124 Modena 41124 Modena (IT)