EP 2449242 A1 20120509 - CONTROL AND REGULATION METHOD OF THE FUEL PRESSURE OF A COMMON-RAIL OF A COMBUSTION ENGINE
Title (en)
CONTROL AND REGULATION METHOD OF THE FUEL PRESSURE OF A COMMON-RAIL OF A COMBUSTION ENGINE
Title (de)
VERFAHREN ZUR STEUERUNG UND REGELUNG DES KRAFTSTOFFSDRUCKES EINES COMMON-RAILS EINER BRENNKRAFTMASCHINE
Title (fr)
MÉTHODE DE CONTRÔLE ET DE RÉGULATION DE LA PRESSION DU CARBURANT D'UN RAIL COMMUN D'UN MOTEUR À COMBUSTION
Publication
Application
Priority
- EP 2010003652 W 20100617
- DE 102009031527 A 20090702
Abstract (en)
[origin: WO2011000478A1] Proposed is a method for controlling and regulating an internal combustion engine (1), in which the rail pressure (pCR) is controlled via a suction throttle (4) on the low pressure side as a first pressure-adjusting element in a rail pressure control loop. The invention is characterized in that a rail pressure disturbance variable (VDRV) is generated in order to influence the rail pressure (pCR) via a pressure control valve (12) on the high pressure side as a second pressure-adjusting element, by means of which fuel is redirected in a controlled manner from the rail (6) into a fuel tank (2), the rail pressure disturbance variable (VDRV) being calculated using a corrected target volume flow (Vk(SL)) of the pressure control valve (12).
IPC 8 full level
F02D 41/38 (2006.01); F02D 41/14 (2006.01); F02D 41/20 (2006.01); F02M 63/02 (2006.01)
CPC (source: EP US)
F02D 41/3863 (2013.01 - EP US); F02D 41/3845 (2013.01 - EP US); F02D 2041/1432 (2013.01 - EP US); F02D 2041/2027 (2013.01 - EP US); F02D 2250/31 (2013.01 - EP US); F02M 63/025 (2013.01 - EP US)
Citation (search report)
See references of WO 2011000478A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
DE 102009031527 B3 20101118; CN 102510942 A 20120620; CN 102510942 B 20150603; EP 2449242 A1 20120509; EP 2449242 B1 20200729; US 2012097134 A1 20120426; US 9441572 B2 20160913; WO 2011000478 A1 20110106
DOCDB simple family (application)
DE 102009031527 A 20090702; CN 201080031063 A 20100617; EP 10732642 A 20100617; EP 2010003652 W 20100617; US 201013382123 A 20100617