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(11)

EP 2 179 231 A1

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(43) Date of publication: 28.04.2010 Bulletin 2010/17 (21) Application number: 07765140.4 (22) Date of filing: 09.07.2007

(51) International Patent Classification (IPC):  F25B 21/02(2006.01) F25B 40/04(2006.01) F25B 40/02(2006.01) (86) International application number: PCT/EP2007/006062 (87) International publication number: WO 2009/006918 (15.01.2009 Gazette 2009/03)

(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 (US)	(72) Inventors: HUFF, Hans Joachim 55116 Mainz (DE) SCHREY, Rainer 65199 Wiesbaden (DE) (74) Representative: Klunker, Hans-Friedrich  Klunker Schmitt-Nilson Hirsch Patentanwälte Destouchesstrasse 68 80796 München 80796 München (DE)