(19)

(11)

EP 2 129 970 A2

(12)

(88) Date of publication A3: 02.04.2009 (43) Date of publication: 09.12.2009 Bulletin 2009/50 (21) Application number: 08719145.8 (22) Date of filing: 18.02.2008

(51) International Patent Classification (IPC):  F24D 3/16(2006.01) F28F 9/26(2006.01) F28F 3/12(2006.01) (86) International application number: PCT/IB2008/000367 (87) International publication number: WO 2008/102234 (28.08.2008 Gazette 2008/35)

(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 (30) Priority: 20.02.2007 IT BO20070096 (71) Applicant: Campagna, Paolo 40050 Monte San Pietro (BO) (IT)	(72) Inventor: Campagna, Paolo 40050 Monte San Pietro (BO) (IT) (74) Representative: Cicconetti, Andrea  Luppi Crugnola & Partners S.r.L. Viale Corassori, 54 I-41124 Modena I-41124 Modena (IT)