(19)

(11)

EP 2 655 826 A1

(12)

(43) Date of publication: 30.10.2013 Bulletin 2013/44 (21) Application number: 10803085.9 (22) Date of filing: 22.12.2010

(51) International Patent Classification (IPC):  F01P 5/12(2006.01) F01P 5/14(2006.01) (86) International application number: PCT/EP2010/070506 (87) International publication number: WO 2012/084030 (28.06.2012 Gazette 2012/26)

(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 (71) Applicant: Pierburg Pump Technology GmbH 41460 Neuss (DE)	(72) Inventors: DURAND, Jean-Michel F-57070 METZ (FR) REININGER, Pierre F-57970 BASSE-HAM (FR) (74) Representative: Patentanwälte ter Smitten Eberlein Rütten Partnerschaftsgesellschaft  Burgunderstr. 29 40549 Düsseldorf 40549 Düsseldorf (DE)