(19)

(11)

EP 2 342 499 A2

(12)

(88) Date of publication A3: 28.10.2010 (43) Date of publication: 13.07.2011 Bulletin 2011/28 (21) Application number: 09774735.6 (22) Date of filing: 05.11.2009

(51) International Patent Classification (IPC):  F23R 3/06(2006.01) (86) International application number: PCT/IB2009/054916 (87) International publication number: WO 2010/052662 (14.05.2010 Gazette 2010/19)

(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 MK MT NL NO PL PT RO SE SI SK SM TR Designated Extension States: AL BA RS (30) Priority: 05.11.2008 IT FI20080211 (71) Applicant: Enel Produzione S.p.A. 00198 Roma RM (IT)	(72) Inventor: TIRIBUZI, Stefano I-56127 Pisa (IT) (74) Representative: Bardini, Marco Luigi  Società Italiana Brevetti SpA Corso dei Tintori, 25 50122 Firenze 50122 Firenze (IT)