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(11)

EP 3 060 807 A1

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(43) Date of publication: 31.08.2016 Bulletin 2016/35 (21) Application number: 13780121.3 (22) Date of filing: 21.10.2013

(51) International Patent Classification (IPC):  F04C 2/344(2006.01) F04C 14/22(2006.01) F01M 1/02(2006.01) F04C 14/24(2006.01) (86) International application number: PCT/EP2013/071941 (87) International publication number: WO 2015/058783 (30.04.2015 Gazette 2015/17)

(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 (71) Applicant: Pierburg Pump Technology GmbH 41460 Neuss (DE)	(72) Inventor: CELATA, Bernardo I-57128 Livorno (IT) (74) Representative: Patentanwälte ter Smitten Eberlein Rütten Partnerschaftsgesellschaft  Burgunderstraße 29 40549 Düsseldorf 40549 Düsseldorf (DE)