Global Patent Index - EP 1680602 A1

EP 1680602 A1 20060719 - PUMPING SYSTEM EMPLOYING A VARIABLE-DISPLACEMENT VANE PUMP

Title (en)

PUMPING SYSTEM EMPLOYING A VARIABLE-DISPLACEMENT VANE PUMP

Title (de)

EINE FLÜGELZELLENPUMPE MIT VARIABLER VERDRÄNGUNG EINSETZENDES PUMPSYSTEM

Title (fr)

SYSTÈME DE POMPAGE UTILISANT UNE POMPE À PALETTES À CYLINDRÉE VARIABLE

Publication

EP 1680602 A1 20060719 (EN)

Application

EP 04787130 A 20040910

Priority

  • EP 2004052140 W 20040910
  • IT BO20030528 A 20030912

Abstract (en)

[origin: WO2005026553A1] A pumping system (100) having a variable-delivery vane pump (10). The pump (10) has hydraulic pressure regulating dissipating devices (29, 30) for imparting to the oil in a regulating chamber (22) a pressure (p2) lower than the delivery pressure (p1).

IPC 1-7

F04C 2/344

IPC 8 full level

F04C 2/344 (2006.01); F04C 14/22 (2006.01)

CPC (source: EP US)

F04C 2/3442 (2013.01 - EP US); F04C 14/223 (2013.01 - EP US); F04C 2270/18 (2013.01 - EP US)

Citation (search report)

See references of WO 2005026553A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2005026553 A1 20050324; EP 1680602 A1 20060719; EP 1680602 B1 20151111; IT BO20030528 A1 20050313; US 2008038117 A1 20080214

DOCDB simple family (application)

EP 2004052140 W 20040910; EP 04787130 A 20040910; IT BO20030528 A 20030912; US 57170404 A 20040910