Global Patent Index - EP 2217808 A1

EP 2217808 A1 20100818 - GUIDE RING FOR A PISTON PUMP, AND PISTON PUMP

Title (en)

GUIDE RING FOR A PISTON PUMP, AND PISTON PUMP

Title (de)

FÜHRUNGSRING FÜR EINE KOLBENPUMPE SOWIE KOLBENPUMPE

Title (fr)

BAGUE DE GUIDAGE POUR UNE POMPE À PISTON ET POMPE À PISTON

Publication

EP 2217808 A1 20100818 (DE)

Application

EP 08804583 A 20080923

Priority

  • EP 2008062661 W 20080923
  • DE 102007052664 A 20071105

Abstract (en)

[origin: WO2009059841A1] The invention relates to a guide ring (1) for a pump piston (4) that can be axially adjusted back and forth, or a pump rod of a piston pump (2). The invention provides for the guide ring (1) to be configured as a radial damping element for damping radial impacts of the pump piston (4) or of the pump rod. The invention further relates to a piston pump (2) having such a guide ring (1).

IPC 8 full level

F04B 1/04 (2006.01)

CPC (source: EP US)

B60T 8/4031 (2013.01 - EP US); F04B 1/0408 (2013.01 - EP US); F04B 1/0439 (2013.01 - EP US); F04B 53/02 (2013.01 - EP US)

Citation (search report)

See references of WO 2009059841A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA MK RS

DOCDB simple family (publication)

DE 102007052664 A1 20090507; CN 101842589 A 20100922; CN 101842589 B 20130327; EP 2217808 A1 20100818; US 2010266427 A1 20101021; WO 2009059841 A1 20090514

DOCDB simple family (application)

DE 102007052664 A 20071105; CN 200880114473 A 20080923; EP 08804583 A 20080923; EP 2008062661 W 20080923; US 74148508 A 20080923