EP 1423593 B1 20061102 - METHOD FOR CONTROLLING A PIEZO-ACTUATED FUEL-INJECTION VALVE
Title (en)
METHOD FOR CONTROLLING A PIEZO-ACTUATED FUEL-INJECTION VALVE
Title (de)
VERFAHREN ZUM ANSTEUERN EINES PIEZOBETRIEBENEN KRAFTSTOFF-EINSPRITZVENTILS
Title (fr)
PROCEDE DE COMMANDE D'UNE SOUPAPE D'INJECTION DE CARBURANT ACTIONNEE PAR UN ACTIONNEUR PIEZOELECTRIQUE
Publication
Application
Priority
- DE 0203226 W 20020902
- DE 10143501 A 20010905
Abstract (en)
[origin: WO03023212A1] According to the invention, the current guided to the piezo actuator and the voltage which is consequently established thereon is used for calculating with the help of a non-linear actuator model, the characteristics of the longitudinal variations (s) and the force (F) exerted by the actuator (F), and variables therefrom or the derived variables (dF/dt) therefrom determine the beginning of the opening (tA) of a servovalve and the duration of injection (D).
IPC 8 full level
F02D 41/20 (2006.01); F02M 45/02 (2006.01); F02D 41/40 (2006.01); F02M 51/00 (2006.01); F02M 51/06 (2006.01); H02N 2/06 (2006.01); H10N 30/80 (2023.01); F02M 45/08 (2006.01); F02M 63/00 (2006.01)
CPC (source: EP US)
F02D 41/2096 (2013.01 - EP US); F02D 2041/143 (2013.01 - EP US); F02D 2041/1433 (2013.01 - EP US); F02D 2041/2055 (2013.01 - EP US); F02M 45/08 (2013.01 - EP US); F02M 51/0603 (2013.01 - EP US)
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
WO 03023212 A1 20030320; DE 10143501 C1 20030528; DE 50208611 D1 20061214; EP 1423593 A1 20040602; EP 1423593 B1 20061102; JP 2005501999 A 20050120; JP 4047809 B2 20080213; US 2005072854 A1 20050407; US 7040297 B2 20060509
DOCDB simple family (application)
DE 0203226 W 20020902; DE 10143501 A 20010905; DE 50208611 T 20020902; EP 02760150 A 20020902; JP 2003527256 A 20020902; US 79501504 A 20040305