(19)

(11)

EP 2 356 383 A2

(12)

(88) Date of publication A3: 12.08.2010 (43) Date of publication: 17.08.2011 Bulletin 2011/33 (21) Application number: 09768027.6 (22) Date of filing: 04.12.2009

(51) International Patent Classification (IPC):  F25B 33/00(2006.01) F25B 15/10(2006.01) (86) International application number: PCT/EP2009/066440 (87) International publication number: WO 2010/063842 (10.06.2010 Gazette 2010/23)

(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: 04.12.2008 US 119838 P (71) Applicant: CSEM Centre Suisse d'Electronique et de Microtechnique SA 2002 Neuchâtel (CH)	(72) Inventors: TEUSSER, Alexander 70619 Stuttgart (DE) BARTH, Ulrich 8708 Männedorf (DE) (74) Representative: GLN  Rue du Puits-Godet 8a 2000 Neuchâtel 2000 Neuchâtel (CH)