(19)

(11)

EP 2 140 209 A2

(12)

(88) Date of publication A3: 26.02.2009 (43) Date of publication: 06.01.2010 Bulletin 2010/01 (21) Application number: 08737500.2 (22) Date of filing: 21.04.2008

(51) International Patent Classification (IPC):  F24H 9/20(2006.01) (86) International application number: PCT/IB2008/000979 (87) International publication number: WO 2008/132573 (06.11.2008 Gazette 2008/45)

(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: 27.04.2007 IT AN20070026 (71) Applicant: ARISTON THERMO S.P.A. 60044 Fabriano (AN) (IT)	(72) Inventors: MANCINI, Angelo I-60044 Fabriano (IT) MORECI, Renato I-60044 Fabriano (Ancona) (IT) SAMPAOLESI, Roberto I-60044 Fabriano (IT) STOPPONI, Alessandro I-60044 Fabriano (IT) XHONNEUX, Alain I-60044 Fabriano (Ancona) (IT) (74) Representative: Gentili, Enrico  MAR.BRE S.R.L., 2, via San Filippo 60044 Fabriano (AN) 60044 Fabriano (AN) (IT)