(19)

(11)

EP 2 425 189 A2

(12)

(88) Date of publication A3: 03.03.2011 (43) Date of publication: 07.03.2012 Bulletin 2012/10 (21) Application number: 10770249.0 (22) Date of filing: 28.04.2010

(51) International Patent Classification (IPC):  F25B 27/00(2006.01) F02C 7/143(2006.01) F25B 29/00(2006.01) (86) International application number: PCT/US2010/032726 (87) International publication number: WO 2010/126980 (04.11.2010 Gazette 2010/44)

(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 SM TR (30) Priority: 29.04.2009 US 173776 P (71) Applicant: Carrier Corporation Farmington, CT 06034 (US)	(72) Inventors: VAISMAN, Igor, B. West Hartford Connecticut 06117 (US) WAGNER, Timothy, C. East Hartford Connecticut 06118 (US) SANGIOVANNI, Joseph, J. West Suffield Connecticut 06093 (US) WALKER, Craig, R. South Glastonbury Connecticut 06073 (US) (74) Representative: Taylor, Adam David  Dehns 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)