(19)

(11)

EP 1 994 340 A2

(12)

(43) Date of publication: 26.11.2008 Bulletin 2008/48 (21) Application number: 06737824.0 (22) Date of filing: 10.03.2006

(51) International Patent Classification (IPC):  F25D 13/00(2006.01) (86) International application number: PCT/US2006/008685 (87) International publication number: WO 2007/106080 (20.09.2007 Gazette 2007/38)

(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 Designated Extension States: AL BA HR MK YU (71) Applicant: Carrier Corporation Farmington, CT 06034-4015 (US)	(72) Inventors: YU, Xiaomei Glastonbury, Connecticut 06033 (US) CHEN, Lei South Windsor, Connecticut 06074 (US) (74) Representative: Booth, Catherine Louise  Frank B. Dehn & Co. St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)