(19)

(11)

EP 2 235 467 A1

(12)

(43) Date of publication: 06.10.2010 Bulletin 2010/40 (21) Application number: 07869412.2 (22) Date of filing: 18.12.2007

(51) International Patent Classification (IPC):  F28F 1/10(2006.01) (86) International application number: PCT/US2007/087901 (87) International publication number: WO 2009/078869 (25.06.2009 Gazette 2009/26)

(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 MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (71) Applicant: Carrier Corporation Farmington, CT 06034-4015 (US)	(72) Inventor: KIRKWOOD, Allen C. Brownsburg IN 46112 (US) (74) Representative: Leckey, David Herbert  Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)