Global Patent Index - EP 0856099 B1

EP 0856099 B1 20000628 - DUAL CONTROL LOOP SYSTEM AND METHOD FOR INTERNAL COMBUSTION ENGINES

Title (en)

DUAL CONTROL LOOP SYSTEM AND METHOD FOR INTERNAL COMBUSTION ENGINES

Title (de)

SYSTEM UND VERFAHREN MIT EINEM DOPPELTEN REGELUNGSKREIS FÜR BRENNKRAFTMASCHINE

Title (fr)

SYSTEME ET PROCEDURE DE DOUBLE BOUCLE DE COMMANDE POUR MOTEUR A COMBUSTION INTERNE

Publication

EP 0856099 B1 20000628 (FR)

Application

EP 96934935 A 19961018

Priority

  • FR 9601632 W 19961018
  • FR 9512237 A 19951018

Abstract (en)

[origin: WO9714877A1] A system and a method for controlling the amount of fuel injected into an internal combustion engine fitted with a catalytic converter. The signal (KCL) output by a first feedback loop (16, 18, 20, 12) and derived from the output (Vup) of a first probe (16) upstream from the catalytic converter (14) is corrected in a corrector circuit (22) by a value (KRICH) determined in a circuit (24) on the basis of the output (Vdown) of a second probe (26) downstream from the catalytic converter (14). The system and method are useful in internal combustion injection engines fitted with a catalytic converter.

IPC 1-7

F02D 41/14

IPC 8 full level

F02D 41/14 (2006.01)

CPC (source: EP KR US)

F02D 41/14 (2013.01 - KR); F02D 41/1441 (2013.01 - EP US)

Designated contracting state (EPC)

DE ES GB IT

DOCDB simple family (publication)

WO 9714877 A1 19970424; DE 69609075 D1 20000803; DE 69609075 T2 20010308; EP 0856099 A1 19980805; EP 0856099 B1 20000628; FR 2740176 A1 19970425; FR 2740176 B1 19971128; JP 2000508036 A 20000627; JP 3734836 B2 20060111; KR 100419330 B1 20040417; KR 19990064349 A 19990726; US 6067794 A 20000530

DOCDB simple family (application)

FR 9601632 W 19961018; DE 69609075 T 19961018; EP 96934935 A 19961018; FR 9512237 A 19951018; JP 51557597 A 19961018; KR 19980702853 A 19980418; US 7789898 A 19980616