EP 1689998 B1 20080423 - DEVICE FOR FEEDING FUEL FROM A RESERVOIR TO AN INTERNAL COMBUSTION ENGINE AND METHOD FOR DETECTING PRESSURE
Title (en)
DEVICE FOR FEEDING FUEL FROM A RESERVOIR TO AN INTERNAL COMBUSTION ENGINE AND METHOD FOR DETECTING PRESSURE
Title (de)
VORRICHTUNG ZUM FÖRDERN VON KRAFTSTOFF AUS EINEM VORRATSBEHÄLTER ZU EINER BRENNKRAFTMASCHINE UND VERFAHREN ZUR DRUCKERFASSUNG
Title (fr)
DISPOSITIF POUR TRANSPORTER DU CARBURANT D'UN RESERVOIR VERS UN MOTEUR A COMBUSTION INTERNE ET PROCEDE POUR DETECTER LA PRESSION
Publication
Application
Priority
- EP 2004052724 W 20041029
- DE 10355804 A 20031128
Abstract (en)
[origin: WO2005052349A1] Known devices comprise a feed pump, a pressure line leading from said feed pump to the internal combustion engine, a check valve and a pressure sensor linked with the pressure line. The pressure sensor is mounted on a so-called fuel rail and detects the pressure in the fuel rail and in the pressure line. A so-called tank leak diagnosis requires an additional pressure sensor in the reservoir. The aim of the invention is to simplify said device in that a single pressure sensor is provided for detecting the pressure in the pressure line and in the reservoir. According to the invention, the pressure sensor (23) is functionally linked with the pressure line (8) downstream of the feed pump (3) and upstream of the check valve (16). The signal measured by the pressure sensor (23) is used as a regulating variable for regulating the feed pump (3) and/or for leak diagnosis in the pressure line (8) and or for tank leak diagnosis.
IPC 8 full level
F02D 33/00 (2006.01); F02D 41/22 (2006.01); F02M 37/00 (2006.01); F02D 41/38 (2006.01); F02M 25/08 (2006.01); F02M 37/10 (2006.01)
CPC (source: EP KR US)
F02D 33/006 (2013.01 - EP US); F02D 41/22 (2013.01 - EP KR US); F02M 37/00 (2013.01 - KR); F02M 37/0058 (2013.01 - EP US); F02D 41/3809 (2013.01 - EP US); F02D 2041/224 (2013.01 - EP US); F02D 2200/0602 (2013.01 - EP US); F02D 2200/0606 (2013.01 - EP US); F02M 25/0809 (2013.01 - EP US); F02M 37/106 (2013.01 - EP US)
Designated contracting state (EPC)
DE ES FR GB IT
DOCDB simple family (publication)
WO 2005052349 A1 20050609; DE 10355804 A1 20050630; DE 502004006956 D1 20080605; EP 1689998 A1 20060816; EP 1689998 B1 20080423; JP 2006514225 A 20060427; JP 4377382 B2 20091202; KR 101087372 B1 20111125; KR 20060102342 A 20060927; US 2007108856 A1 20070517; US 7383821 B2 20080610
DOCDB simple family (application)
EP 2004052724 W 20041029; DE 10355804 A 20031128; DE 502004006956 T 20041029; EP 04804507 A 20041029; JP 2005518536 A 20041029; KR 20067010271 A 20041029; US 57985104 A 20041029