Global Patent Index - EP 3049671 B1

EP 3049671 B1 20180314 - SEALING RING FOR A DISTRBUTION DEVICE OF A HYDRAULIC PUMP

Title (en)

SEALING RING FOR A DISTRBUTION DEVICE OF A HYDRAULIC PUMP

Title (de)

DICHTUNGSRING FÜR EINE VERTEILERVORRICHTUNG EINER HYDRAULISCHEN PUMPE

Title (fr)

BAGUE D'ÉTANCHÉITÉ POUR DISTRIBUTEUR DE POMPE HYDRAULIQUE

Publication

EP 3049671 B1 20180314 (FR)

Application

EP 14796176 A 20140922

Priority

  • FR 1359250 A 20130925
  • FR 2014052352 W 20140922

Abstract (en)

[origin: WO2015044571A1] A sealing ring for a hydraulic pump distributor (i) for a hydraulic distributor (2) of a hydraulic pump (44), comprising a continuous sealing ring (11) housed in a ring groove (16) arranged in a pump stator (3) of which the inlet/discharge ports (7) are each aligned with a distribution recess (21) passing through said ring (11) from one side to the other in the direction of the thickness of same, the latter comprising a circumferential contact boss (14) that has a line of circumferential contact (15) that can come into contact with a low-pressure sealing surface on the rotor side (13), said ring (11) also comprising a compression/decompression track (24), a ring sealing lip (39) that provides a seal between said ring (11) and the ring groove (16), and rotation-stop means (36).

IPC 8 full level

F04B 1/04 (2006.01); F04B 1/047 (2006.01); F04B 1/107 (2006.01); F04B 1/20 (2006.01); F04B 1/30 (2006.01)

CPC (source: EP KR)

F04B 1/0465 (2013.01 - EP KR); F04B 1/047 (2013.01 - EP KR); F04B 1/1071 (2013.01 - EP KR); F04B 1/2021 (2013.01 - EP KR); F04B 1/303 (2013.01 - EP KR); F05B 2210/11 (2013.01 - KR); Y10S 417/00 (2013.01 - KR)

Designated contracting state (EPC)

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

DOCDB simple family (publication)

FR 3011045 A1 20150327; FR 3011045 B1 20151030; AU 2014326490 A1 20160512; AU 2014326490 B2 20180125; CA 2925485 A1 20150402; CA 2925485 C 20190402; CN 105593519 A 20160518; CN 105593519 B 20171024; EP 3049671 A1 20160803; EP 3049671 B1 20180314; ES 2670551 T3 20180530; JP 2016539285 A 20161215; JP 6387088 B2 20180905; KR 102254259 B1 20210520; KR 20160058901 A 20160525; WO 2015044571 A1 20150402

DOCDB simple family (application)

FR 1359250 A 20130925; AU 2014326490 A 20140922; CA 2925485 A 20140922; CN 201480053212 A 20140922; EP 14796176 A 20140922; ES 14796176 T 20140922; FR 2014052352 W 20140922; JP 2016516863 A 20140922; KR 20167010285 A 20140922