EP 0995024 A1 20000426 - METHOD AND DEVICE FOR CONTROLLING AN ELECTRO-MAGNETIC LOAD
Title (en)
METHOD AND DEVICE FOR CONTROLLING AN ELECTRO-MAGNETIC LOAD
Title (de)
VERFAHREN UND VORRICHTUNG ZUR ANSTEUERUNG EINES ELEKTROMAGNETISCHEN VERBRAUCHERS
Title (fr)
PROCEDE ET DISPOSITIF POUR COMMANDER UN CONSOMMATEUR ELECTROMAGNETIQUE
Publication
Application
Priority
- DE 9900776 W 19990319
- DE 19813138 A 19980325
Abstract (en)
[origin: DE19813138A1] The present invention relates to a method and a device for controlling at least one electro-magnetic load, such as a magnetic valve for controlling the fuel injection in an internal combustion engine, using a control circuit that comprises electronic switching elements and at least one booster-capacitor. The control circuit comprises recharging elements (EC) for recharging the booster-capacitor, after a partial or complete discharge thereof, up to a target voltage value that influences the opening rate of the injection valve and thus the injection duration. This invention is characterised in that the recharging elements (EC) are functionally connected with members for detecting at least the speed (n) and the load (L) of the internal combustion engine, and in that they include regulation members (EC) for adjusting the recharging current intensity (ICN) required for obtaining the target voltage value as well as for adjusting the recharging duration (tCN) according to at least the speed value (n) and the load value (L) detected by said detection members.
IPC 1-7
IPC 8 full level
F02D 41/04 (2006.01); F02D 41/20 (2006.01); F02M 51/06 (2006.01); H01F 7/18 (2006.01)
CPC (source: EP US)
F02D 41/20 (2013.01 - EP US); F02D 2041/2006 (2013.01 - EP US); F02D 2041/2034 (2013.01 - EP US); F02D 2041/2051 (2013.01 - EP US); H01F 7/1816 (2013.01 - EP US)
Citation (search report)
See references of WO 9949195A1
Designated contracting state (EPC)
DE FR IT
DOCDB simple family (publication)
DE 19813138 A1 19990930; DE 59907432 D1 20031127; EP 0995024 A1 20000426; EP 0995024 B1 20031022; JP 2002500720 A 20020108; JP 4531143 B2 20100825; US 6360725 B1 20020326; WO 9949195 A1 19990930
DOCDB simple family (application)
DE 19813138 A 19980325; DE 59907432 T 19990319; DE 9900776 W 19990319; EP 99916804 A 19990319; JP 54757799 A 19990319; US 42421299 A 19991119