EP 2601397 A2 20130612 - ADAPTIVE METHOD FOR FUEL INJECTOR CONTROL AND CYLINDER BALANCING
Title (en)
ADAPTIVE METHOD FOR FUEL INJECTOR CONTROL AND CYLINDER BALANCING
Title (de)
ADAPTIONSVERFAHREN ZUR EINSPRITZVENTILANSTEUERUNG UND ZYLINDERGLEICHSTELLUNG
Title (fr)
PROCÉDÉ D'ADAPTION DE COMMANDE D'INJECTEUR DE CARBURANT ET D'ÉQUILIBRAGE DES CYLINDRES
Publication
Application
Priority
- DE 102010038779 A 20100802
- EP 2011060707 W 20110627
Abstract (en)
[origin: WO2012016763A2] The invention relates to a method (61) for operating an internal combustion engine (11) having a plurality of combustion chambers (15), at least one combustion chamber (15) being assigned an injection valve (13) for injecting fuel (mf) into the combustion chamber (15), wherein, for a least one combustion chamber (15), an air ratio (?) that is individual to the combustion chamber is adjusted and/or, for at least one combustion chamber (15), a torque (M) that is individual to the combustion chamber is determined. In order to specify a method (61) for operating an internal combustion engine (11) with which, for individual combustion chambers (15), specific properties can be registered and, if necessary, accommodated, the intention being for faulty adaptations to be avoided to the greatest possible extent, it is proposed that, for at least one injection valve (13), an activation period (TA) of the injection valve (15) is adapted (A) by measuring or determining a valve opening period (T) of the injection valve (15) in such a way that tolerances of the injection valve (15) with respect to a relationship between the activation period (TA) and the valve opening period (T) are at least substantially compensated.
IPC 8 full level
F02D 41/14 (2006.01); F02D 35/02 (2006.01); F02D 41/00 (2006.01); F02D 41/24 (2006.01); F02P 5/15 (2006.01)
CPC (source: EP US)
F02B 17/005 (2013.01 - US); F02D 41/0085 (2013.01 - EP US); F02D 41/1498 (2013.01 - EP US); F02D 41/2467 (2013.01 - EP US); F02D 35/023 (2013.01 - EP US); F02D 41/1454 (2013.01 - EP US); F02D 41/1488 (2013.01 - EP US); F02D 2041/2055 (2013.01 - EP US); F02D 2041/2058 (2013.01 - EP US)
Citation (search report)
See references of WO 2012016763A2
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 RS SE SI SK SM TR
DOCDB simple family (publication)
DE 102010038779 A1 20120202; CN 103189629 A 20130703; CN 103189629 B 20170329; EP 2601397 A2 20130612; JP 2013532798 A 20130819; JP 5832536 B2 20151216; US 2013180511 A1 20130718; WO 2012016763 A2 20120209; WO 2012016763 A3 20120531
DOCDB simple family (application)
DE 102010038779 A 20100802; CN 201180037992 A 20110627; EP 11728623 A 20110627; EP 2011060707 W 20110627; JP 2013522162 A 20110627; US 201113812584 A 20110627