Global Patent Index - EP 0828069 A3

EP 0828069 A3 20000223 - Method and apparatus for monitoring the flow restrictor of the fuel supply of an engine

Title (en)

Method and apparatus for monitoring the flow restrictor of the fuel supply of an engine

Title (de)

Verfahren und Vorrichtung zur Überwachung eines Durchflussbegrenzers eines Kraftstoffzumesssystems einer Brennkraftmaschine

Title (fr)

Méthode et dispositif pour surveiller le limiteur de débit de l'alimentation en carburant d'un moteur à combustion

Publication

EP 0828069 A3 20000223 (DE)

Application

EP 97109450 A 19970611

Priority

DE 19632339 A 19960810

Abstract (en)

[origin: EP0828069A2] The monitoring method monitors the through flow limiters (180-183) arranged respectively between the fuel storage vessel (160) and each fuel injector (120-123) of a four cylinder IC engine (100) across a common fuel supply rail. Each limiter prevents a fuel flow to each cylinder, if the injected fuel amount exceeds a specific value. In determined operations for monitoring the through flow limiter, the injector is controlled in such a manner, that the injector releases an injected amount of fuel, which exceeds the specified limiting value. Then emanating from the reaction of the engine, is monitored whether the through flow limiter stops the flow of fuel.

IPC 1-7

F02D 41/22; F02D 41/38

IPC 8 full level

F02M 65/00 (2006.01); F02D 41/22 (2006.01); F02D 41/38 (2006.01); F02M 63/02 (2006.01)

CPC (source: EP)

F02D 41/221 (2013.01); F02D 41/3809 (2013.01); F02M 63/0225 (2013.01); F02D 2041/224 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

DE 19632339 A1 19980212; CN 1085295 C 20020522; CN 1173585 A 19980218; EP 0828069 A2 19980311; EP 0828069 A3 20000223; JP H1077890 A 19980324

DOCDB simple family (application)

DE 19632339 A 19960810; CN 97115387 A 19970805; EP 97109450 A 19970611; JP 21285797 A 19970807