(19)

(11)

EP 2 212 628 A1

(12)

(43) Date of publication: 04.08.2010 Bulletin 2010/31 (21) Application number: 07852807.2 (22) Date of filing: 16.10.2007

(51) International Patent Classification (IPC):  F25B 15/00(2006.01) F25B 33/00(2006.01) F25B 37/00(2006.01) (86) International application number: PCT/US2007/022120 (87) International publication number: WO 2009/051582 (23.04.2009 Gazette 2009/17)

(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: MA, Zidu Ellington CT 06029 (US) (74) Representative: Leckey, David Herbert  Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)