EP 1317617 A1 20030611 - METHOD AND ELECTRONIC CONTROL DEVICE FOR DIAGNOSING THE MIXTURE PRODUCTION IN AN INTERNAL COMBUSTION ENGINE
Title (en)
METHOD AND ELECTRONIC CONTROL DEVICE FOR DIAGNOSING THE MIXTURE PRODUCTION IN AN INTERNAL COMBUSTION ENGINE
Title (de)
VERFAHREN UND ELEKTRONISCHE STEUEREINRICHTUNG ZUR DIAGNOSE DER GEMISCHBILDUNG EINER BRENNKRAFTMASCHINE
Title (fr)
PROCEDE ET DISPOSITIF DE COMMANDE ELECTRONIQUE POUR ETABLIR UN DIAGNOSTIC DE LA FORMATION DU MELANGE D'UN MOTEUR A COMBUSTION INTERNE
Publication
Application
Priority
- DE 0103301 W 20010829
- DE 10043859 A 20000904
Abstract (en)
[origin: WO0220969A1] The invention relates to a method and to an electronic control device for diagnosing the mixture production in an internal combustion engine with tank ventilation, wherein diagnosis is coupled to the mixture adjustment and can only be run in the active lambda regulation mode, that means particularly not in operating modes of the internal combustion engine in which lambda is only controlled. According to the inventive method, a sign for a mixture failure or probe failure is recognized outside the active lambda regulation mode by producing a failure presumption in the active tank ventilation mode and inactive mixture adjustment mode when a measure for the effect of the tank ventilation on the mixture composition that is produced assuming an intact system assumes values that are no longer plausible. When such a presumption is produced, mixture adjustment is requested in order to verify the presumption if necessary.
IPC 1-7
IPC 8 full level
F02D 41/00 (2006.01); F02D 41/02 (2006.01); F02D 41/14 (2006.01); F02D 41/22 (2006.01); F02D 41/30 (2006.01); F02D 45/00 (2006.01); F02M 25/08 (2006.01)
CPC (source: EP KR US)
F02D 41/0037 (2013.01 - EP US); F02D 41/22 (2013.01 - EP US); F02D 41/24 (2013.01 - KR); F02D 41/2454 (2013.01 - EP US); F02D 41/3076 (2013.01 - EP US); F02D 41/3023 (2013.01 - EP US)
Citation (search report)
See references of WO 0220969A1
Designated contracting state (EPC)
DE ES FR
DOCDB simple family (publication)
WO 0220969 A1 20020314; DE 10043859 A1 20020314; DE 50108959 D1 20060420; EP 1317617 A1 20030611; EP 1317617 B1 20060215; ES 2257442 T3 20060801; JP 2004508489 A 20040318; JP 4700258 B2 20110615; KR 20020068336 A 20020827; MX PA02004305 A 20030128; RU 2002113762 A 20040120; US 2003075140 A1 20030424; US 6739310 B2 20040525
DOCDB simple family (application)
DE 0103301 W 20010829; DE 10043859 A 20000904; DE 50108959 T 20010829; EP 01971668 A 20010829; ES 01971668 T 20010829; JP 2002525356 A 20010829; KR 20027005716 A 20020503; MX PA02004305 A 20010829; RU 2002113762 A 20010829; US 12940302 A 20020930