Method for Diagnosing an Exhaust Gas Catalytic Converter and/or an Exhaust Gas Sensor of a Motor Vehicle Internal Combustion Engine

A method for diagnosing an exhaust gas catalytic convertor and/or an exhaust gas sensor arranged downstream and/or upstream of the exhaust gas catalytic convertor in an exhaust gas system of a motor vehicle internal combustion engine. The internal combustion engine is operated with an air/fuel mixtu...

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1. Verfasser:	IMEROSKI BAJRAM
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING 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 LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS
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creator	IMEROSKI BAJRAM
description	A method for diagnosing an exhaust gas catalytic convertor and/or an exhaust gas sensor arranged downstream and/or upstream of the exhaust gas catalytic convertor in an exhaust gas system of a motor vehicle internal combustion engine. The internal combustion engine is operated with an air/fuel mixture having a substoichiometric air/fuel ratio. The internal combustion engine is switched off and an unfired towed operation with disabled fuel supply is performed in which air drawn in by the internal combustion engine is conveyed through the exhaust gas system to the exhaust gas catalytic convertor and exhaust gas sensor. The internal combustion engine is then operated with a substoichiometric air/fuel ratio and a signal of the exhaust gas sensor is evaluated with regard to a predefinable evaluation criterion, the signal being provided at least in a period of time between switch-off and the subsequent self-running of the internal combustion engine.
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The internal combustion engine is operated with an air/fuel mixture having a substoichiometric air/fuel ratio. The internal combustion engine is switched off and an unfired towed operation with disabled fuel supply is performed in which air drawn in by the internal combustion engine is conveyed through the exhaust gas system to the exhaust gas catalytic convertor and exhaust gas sensor. The internal combustion engine is then operated with a substoichiometric air/fuel ratio and a signal of the exhaust gas sensor is evaluated with regard to a predefinable evaluation criterion, the signal being provided at least in a period of time between switch-off and the subsequent self-running of the internal combustion engine.</description><language>eng</language><subject>BLASTING ; 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 ; LIGHTING ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; STEAM ENGINES ; WEAPONS</subject><creationdate>2013</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20131107&DB=EPODOC&CC=US&NR=2013297192A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20131107&DB=EPODOC&CC=US&NR=2013297192A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>IMEROSKI BAJRAM</creatorcontrib><title>Method for Diagnosing an Exhaust Gas Catalytic Converter and/or an Exhaust Gas Sensor of a Motor Vehicle Internal Combustion Engine</title><description>A method for diagnosing an exhaust gas catalytic convertor and/or an exhaust gas sensor arranged downstream and/or upstream of the exhaust gas catalytic convertor in an exhaust gas system of a motor vehicle internal combustion engine. 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The internal combustion engine is then operated with a substoichiometric air/fuel ratio and a signal of the exhaust gas sensor is evaluated with regard to a predefinable evaluation criterion, the signal being provided at least in a period of time between switch-off and the subsequent self-running of the internal combustion engine.</description><subject>BLASTING</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES</subject><subject>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>STEAM ENGINES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2013</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjD0PgkAQRGksjPofNrE2ChSG0iB-FFSoLVmPBS45d8ndabT2j3uFlZXVTCbvzTh6l-R7aaAVC1uNHYvT3AEyFM8e787DHh3k6NG8vFaQCz_IerIBaZZif8mK2IVVWkAoxYd6oV4rQ3DkYDGacHG7BlxLMLnTTNNo1KJxNPvmJJrvilN-WNAgNbkBFTH5-lwlqzhNsnWcJZs4_Y_6AGHDSdk</recordid><startdate>20131107</startdate><enddate>20131107</enddate><creator>IMEROSKI BAJRAM</creator><scope>EVB</scope></search><sort><creationdate>20131107</creationdate><title>Method for Diagnosing an Exhaust Gas Catalytic Converter and/or an Exhaust Gas Sensor of a Motor Vehicle Internal Combustion Engine</title><author>IMEROSKI BAJRAM</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2013297192A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2013</creationdate><topic>BLASTING</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES</topic><topic>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>STEAM ENGINES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>IMEROSKI BAJRAM</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>IMEROSKI BAJRAM</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method for Diagnosing an Exhaust Gas Catalytic Converter and/or an Exhaust Gas Sensor of a Motor Vehicle Internal Combustion Engine</title><date>2013-11-07</date><risdate>2013</risdate><abstract>A method for diagnosing an exhaust gas catalytic convertor and/or an exhaust gas sensor arranged downstream and/or upstream of the exhaust gas catalytic convertor in an exhaust gas system of a motor vehicle internal combustion engine. The internal combustion engine is operated with an air/fuel mixture having a substoichiometric air/fuel ratio. The internal combustion engine is switched off and an unfired towed operation with disabled fuel supply is performed in which air drawn in by the internal combustion engine is conveyed through the exhaust gas system to the exhaust gas catalytic convertor and exhaust gas sensor. The internal combustion engine is then operated with a substoichiometric air/fuel ratio and a signal of the exhaust gas sensor is evaluated with regard to a predefinable evaluation criterion, the signal being provided at least in a period of time between switch-off and the subsequent self-running of the internal combustion engine.</abstract><oa>free_for_read</oa></addata></record>
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language	eng
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subjects	BLASTING 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 LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS
title	Method for Diagnosing an Exhaust Gas Catalytic Converter and/or an Exhaust Gas Sensor of a Motor Vehicle Internal Combustion Engine
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