(19)

(11)

EP 2 310 791 A2

(12)

(88) Date of publication A3: 11.03.2010 (43) Date of publication: 20.04.2011 Bulletin 2011/16 (21) Application number: 09747576.8 (22) Date of filing: 14.05.2009

(51) International Patent Classification (IPC):  F28F 17/00(2006.01) F28F 9/013(2006.01) F28F 25/02(2006.01) (86) International application number: PCT/US2009/043953 (87) International publication number: WO 2009/140494 (19.11.2009 Gazette 2009/47)

(84) Designated Contracting States: 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 SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 14.05.2008 US 127513 P (71) Applicant: Carrier Corporation Farmington, CT 06034 (US)	(72) Inventors: KARL, Andrew, E. Greenwood IN 46142 (US) WILSON, Ron, A. Greenwood IN 46143 (US) (74) Representative: Taylor, Adam David  Dehns St. Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)