(19)

(11)

EP 3 377 765 A1

(12)

(43) Date of publication: 26.09.2018 Bulletin 2018/39 (21) Application number: 15797106.0 (22) Date of filing: 19.11.2015

(51) International Patent Classification (IPC):  F04C 14/22(2006.01) (86) International application number: PCT/EP2015/077085 (87) International publication number: WO 2017/084710 (26.05.2017 Gazette 2017/21)

(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 Designated Validation States: MA MD (71) Applicant: Pierburg Pump Technology GmbH 41460 Neuss (DE)	(72) Inventor: CUNEO, Carmine 56121 Pisa (IT) (74) Representative: Patentanwälte ter Smitten Eberlein-Van Hoof Rütten Partnerschaftsgesellschaft mbB  Burgunderstraße 29 40549 Düsseldorf 40549 Düsseldorf (DE)