Global Patent Index - EP 2207959 A1

EP 2207959 A1 20100721 - PISTON PUMP

Title (en)

PISTON PUMP

Title (de)

KOLBENPUMPE

Title (fr)

POMPE À PISTON

Publication

EP 2207959 A1 20100721 (DE)

Application

EP 08804584 A 20080923

Priority

  • EP 2008062664 W 20080923
  • DE 102007052755 A 20071106

Abstract (en)

[origin: WO2009059842A1] The invention relates to a piston pump (1) for a hydraulic vehicle brake system, having a pump piston (4), which can be driven to carry out an axial back-and-forth stroke movement, and having a valve (21) that is configured as a return valve, having a valve-closing body (25) to which a spring force is applied by a closing spring (24) in the direction of a valve seat (29). The valve-closing body (25) has a concave section (26) interacting with the valve seat (29) and a shaft section (27) facing away from the valve seat (29).

IPC 8 full level

F04B 1/04 (2006.01); F04B 53/10 (2006.01)

CPC (source: EP)

B60T 8/4031 (2013.01); F04B 1/0452 (2013.01); F04B 53/1017 (2013.01)

Citation (search report)

See references of WO 2009059842A1

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 102007052755 A1 20090507; EP 2207959 A1 20100721; WO 2009059842 A1 20090514

DOCDB simple family (application)

DE 102007052755 A 20071106; EP 08804584 A 20080923; EP 2008062664 W 20080923