(19)

(11)

EP 2 122 266 A1

(12)

(43) Date of publication: 25.11.2009 Bulletin 2009/48 (21) Application number: 07700474.5 (22) Date of filing: 10.01.2007

(51) International Patent Classification (IPC):  F24F 13/22(2006.01) (86) International application number: PCT/IB2007/000070 (87) International publication number: WO 2008/084277 (17.07.2008 Gazette 2008/29)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (71) Applicant: Carrier Corporation Farmington, CT 06034-4015 (US)	(72) Inventors: BERETTA, Fabio I-20058 Villasanta (IT) RABITO, Maurizio I-20058 Villasanta (IT) MARCUCCI, Laura I-20058 Villasanta (IT) PIROVANO, Felice I-20058 Villasanta (IT) (74) Representative: Leckey, David Herbert et al Frank B. Dehn & Co. St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)