EP 1325222 B1 20061108 - METHOD FOR DIAGNOSING A VALVE IN A FUEL SUPPLY SYSTEM OF AN INTERNAL COMBUSTION ENGINE
Title (en)
METHOD FOR DIAGNOSING A VALVE IN A FUEL SUPPLY SYSTEM OF AN INTERNAL COMBUSTION ENGINE
Title (de)
VERFAHREN ZUR DIAGNOSE EINES VENTILS IN EINEM KRAFTSTOFFVERSORGUNGSSYSTEM EINER BRENNKRAFTMASCHINE
Title (fr)
PROCEDE DE DIAGNOSTIC D'UNE SOUPAPE D'UN SYSTEME DE RAVITAILLEMENT EN CARBURANT D'UNE MACHINE A COMBUSTION INTERNE
Publication
Application
Priority
- DE 0103249 W 20010824
- DE 10043688 A 20000904
Abstract (en)
[origin: WO0220970A1] The invention relates to a method for diagnosing a valve in a fuel supply system of an internal combustion engine. A first pump pumps fuel out of a fuel reservoir into a first fuel line in a first pressure area. The fuel is pumped from said first pressure area into a pressure accumulator in the second pressure area by a second pump. The fuel pressure in the pressure accumulator is determined by means of a pressure sensor. The pressure in the second pressure area is regulated and/or controlled with a pressure regulation and/or pressure control means, the fuel flowing out of the second pressure area and into a second fuel line via said pressure regulation and/or pressure control means. The valve is used to increase pressure in the first pressure area.
IPC 8 full level
F02D 41/22 (2006.01); F02D 41/38 (2006.01)
CPC (source: EP)
F02D 41/221 (2013.01); F02D 41/3854 (2013.01); F02D 41/3863 (2013.01); F02D 2041/224 (2013.01); F02D 2200/0602 (2013.01); F02D 2250/02 (2013.01)
Designated contracting state (EPC)
DE FR IT
DOCDB simple family (publication)
WO 0220970 A1 20020314; DE 10043688 A1 20020314; DE 50111418 D1 20061221; EP 1325222 A1 20030709; EP 1325222 B1 20061108
DOCDB simple family (application)
DE 0103249 W 20010824; DE 10043688 A 20000904; DE 50111418 T 20010824; EP 01967019 A 20010824