(19)

(11)

EP 2 366 081 A2

(12)

(88) Date of publication A3: 17.03.2011 (43) Date of publication: 21.09.2011 Bulletin 2011/38 (21) Application number: 09774713.3 (22) Date of filing: 17.11.2009

(51) International Patent Classification (IPC):  F24D 19/10(2006.01) G05D 23/20(2006.01) G05D 23/19(2006.01) (86) International application number: PCT/IB2009/007524 (87) International publication number: WO 2010/061268 (03.06.2010 Gazette 2010/22)

(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 (30) Priority: 28.11.2008 IT AN20080051 (71) Applicants: ARISTON THERMO S.P.A. 60044 Fabriano (AN) (IT) THERMOWATT S.p.A. 60011 Arcevia (Ancona) (IT)	(72) Inventors: FIORONI, Fausto I-60011 Arcevia (IT) FRATI, Carlo I-60011 Arcevia (Ancona) (IT) SAMPAOLESI, Roberto I-60044 Fabriano (Ancona) (IT) PAOLINELLI, Roberto I-60011 Arcevia (Ancona) (IT) MANCINI, Angelo I-60044 Fabriano (Ancona) (IT) MORECI, Renato I-60011 Arcevia (Ancona) (IT) (74) Representative: Premru, Rok  c/o Mar.Bre S.R.l., 2, Via San Filippo 60044 Fabriano 60044 Fabriano (IT)