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(11)

EP 3 114 494 A1

(12)

(43) Date of publication: 11.01.2017 Bulletin 2017/02 (21) Application number: 15705950.2 (22) Date of filing: 11.02.2015

(51) International Patent Classification (IPC):  G01R 33/38(2006.01) F25B 9/00(2006.01) (86) International application number: PCT/EP2015/052868 (87) International publication number: WO 2015/132055 (11.09.2015 Gazette 2015/36)

(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 Designated Extension States: BA ME (30) Priority: 04.03.2014 GB 201403757 (71) Applicant: Siemens Healthcare Limited Frimley, Camberley GU16 8QD (GB)	(72) Inventor: KRUIP, Marcel Oxford OX1 4PG (GB) (74) Representative: Maier, Daniel Oliver  Siemens AG Postfach 22 16 34 80506 München 80506 München (DE)