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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Main Author | |
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Format | Patent |
Language | German |
Published |
08.09.2005
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Abstract | 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. |
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AbstractList | 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. |
Author | TAKAKU, YUTAKA |
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RelatedCompanies | HITACHI, LTD |
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Snippet | 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... |
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SubjectTerms | 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 |
Title | Auspuffsteuervorrichtung für eine Brennkraftmaschine |
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