Auspuffsteuervorrichtung für eine Brennkraftmaschine

The leak of exhaust system (5,6,7) is detected by leak detection means (20), and when leak was detected, the diagnosis relating to air-fuel ratio feedback control or catalyst (6) is stopped or corrected. A place and an amount of the leak are detected and as various control or diagnosis etc. are stop...

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Bibliographic Details
Main Author TAKAKU, YUTAKA
Format Patent
LanguageGerman
Published 08.09.2005
Edition7
Subjects
BLASTING
COMBUSTION ENGINES
COMBUSTION ENGINES IN GENERAL
CONTROLLING COMBUSTION ENGINES
ENGINE PLANTS IN GENERAL
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
INTERNAL-COMBUSTION PISTON ENGINES
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
STEAM ENGINES
WEAPONS
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Summary:The leak of exhaust system (5,6,7) is detected by leak detection means (20), and when leak was detected, the diagnosis relating to air-fuel ratio feedback control or catalyst (6) is stopped or corrected. A place and an amount of the leak are detected and as various control or diagnosis etc. are stopped or corrected according to the detected effect, over heat of the catalyst, incrementation of the harmful exhaust-gas and the false diagnosis of the catalyst (6) can be prevented suitably.
Bibliography:Application Number: DE19956033415T