(19)

(11)

EP 2 156 097 A2

(12)

(88) Date of publication A3: 22.05.2009 (43) Date of publication: 24.02.2010 Bulletin 2010/08 (21) Application number: 08737399.9 (22) Date of filing: 09.04.2008

(51) International Patent Classification (IPC):  F23G 5/027(2006.01) F23G 5/14(2006.01) F23J 15/02(2006.01) F23G 5/12(2006.01) F23G 5/46(2006.01) F23J 15/06(2006.01) (86) International application number: PCT/IB2008/000852 (87) International publication number: WO 2008/122875 (16.10.2008 Gazette 2008/42)

(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: 10.04.2007 IT PI20070039 (71) Applicants: Delca Spa 56010 Lugnano-Vicopisano (IT) Ecoengineering Impianti S.r.l. 20122 Milano (IT)	(72) Inventor: GRILLENZONI, Mauro I-41100 Modena (IT) (74) Representative: Turini, Laura  Studio Legale Turini Via Lamarmora 55 50121 Florence (FI) 50121 Florence (FI) (IT)