Title (en)

Fuel injection system

Title (de)

Brennstoffeinspritzanlage

Title (fr)

Système d'injection de carburant

Publication

EP 1139444 A1 20011004 (EN)

Application

EP 00106989 A 20000401

Priority

EP 00106989 A 20000401

Abstract (en)

Fuel injection system comprising a piezoelectric element for controlling the amount of injected fuel into a combustion engine, the fuel injection system further comprising a driving circuitry for driving the piezoelectric element, the driving circuitry comprising a buffer capacitor, wherein the voltage across the buffer capacitor and/or the charge the buffer capacitor is carrying is measured. <IMAGE>

IPC 1-7

H01L 41/04; F02D 41/20; F02M 51/06

IPC 8 full level

H10N 30/80 (2023.01); F02D 41/20 (2006.01)

CPC (source: EP)

F02D 41/2096 (2013.01); F02D 2041/2003 (2013.01)

Citation (search report)

• [XA] DE 19841460 A1 20000316 - SIEMENS AG [DE]
• [XA] EP 0371469 A2 19900606 - TOYOTA MOTOR CO LTD [JP]
• [XA] US 5986360 A 19991116 - GERKEN HARTMUT [DE], et al

Designated contracting state (EPC)

DE

DOCDB simple family (publication)

EP 1139444 A1 20011004; EP 1139444 B1 20100324; DE 60044053 D1 20100506

DOCDB simple family (application)

EP 00106989 A 20000401; DE 60044053 T 20000401