(19)

(11)

EP 2 539 643 A1

(12)

(43) Date of publication: 02.01.2013 Bulletin 2013/01 (21) Application number: 11704636.7 (22) Date of filing: 25.02.2011

(51) International Patent Classification (IPC):  F24F 13/20(2006.01) F24F 13/32(2006.01) F24F 13/22(2006.01) (86) International application number: PCT/EP2011/052779 (87) International publication number: WO 2011/104321 (01.09.2011 Gazette 2011/35)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR (30) Priority: 26.02.2010 IT MI20100328 (71) Applicant: Vortice Elettrosociali S.p.A. 20067 Tribiano (IT)	(72) Inventor: GHITTI, Angelo I-26854 Pieve Fissiraga (IT) (74) Representative: Petraz, Davide Luigi et al GLP Srl Piazzale Cavedalis, 6/2 33100 Udine 33100 Udine (IT)