(19)

(11)

EP 3 555 504 A1

(12)

(43) Date of publication: 23.10.2019 Bulletin 2019/43 (21) Application number: 16819502.2 (22) Date of filing: 15.12.2016

(51) International Patent Classification (IPC):  F16K 5/04(2006.01) F16K 5/18(2006.01) F01P 7/14(2006.01) F16K 11/085(2006.01) (86) International application number: PCT/EP2016/081209 (87) International publication number: WO 2018/108282 (21.06.2018 Gazette 2018/25)

(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 Designated Extension States: BA ME Designated Validation States: MA MD (71) Applicant: Pierburg Pump Technology GmbH 41460 Neuss (DE)	(72) Inventors: GEORGES, Pascal 57970 Haute-Ham (FR) MAFFEIS, Jerome 57000 Metz (FR) (74) Representative: Patentanwälte ter Smitten Eberlein-Van Hoof Rütten Partnerschaftsgesellschaft mbB  Burgunderstraße 29 40549 Düsseldorf 40549 Düsseldorf (DE)