(19)

(11)

EP 2 580 541 A2

(12)

(43) Date of publication: 17.04.2013 Bulletin 2013/16 (21) Application number: 11724486.3 (22) Date of filing: 19.05.2011

(51) International Patent Classification (IPC):  F25B 3/00(2006.01) (86) International application number: PCT/US2011/037172 (87) International publication number: WO 2011/156102 (15.12.2011 Gazette 2011/50)

(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: 10.06.2010 US 353357 P (71) Applicant: Carrier Corporation Farmington, CT 06034 (US)	(72) Inventor: MCDONALD, Patrick Athens, Georgia 30605 (US) (74) Representative: Taylor, Adam David  Dehns 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)