(19)

(11)

EP 2 513 459 A1

(12)

(43) Date of publication: 24.10.2012 Bulletin 2012/43 (21) Application number: 10798531.9 (22) Date of filing: 14.12.2010

(51) International Patent Classification (IPC):  F02D 41/22(2006.01) G01M 15/10(2006.01) (86) International application number: PCT/EP2010/069596 (87) International publication number: WO 2011/073175 (23.06.2011 Gazette 2011/25)

(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 (30) Priority: 14.12.2009 LU 91630 (71) Applicant: Spheretech International 2132 Luxembourg (LU)	(72) Inventors: DEREGNAUCOURT, David F-59185 Auberchicourt (FR) PLATTEAU, Charles B-1180 Bruxelles (BE) (74) Representative: pronovem  Meyers & Van Malderen 261, route d'Arlon B.P. 111 8002 Strassen 8002 Strassen (LU)