METHOD AND DEVICE FOR DIAGNOSIS OF A PARTICLE FILTER ARRANGED IN THE EXHAUST GAS SYSTEM OF A PETROL-OPERATED INTERNAL COMBUSTION ENGINE

METHOD AND DEVICE FOR DIAGNOSIS OF A PARTICLE FILTER ARRANGED IN THE EXHAUST GAS SYSTEM OF A PETROL-OPERATED INTERNAL COMBUSTION ENGINE

A method for determining a presence of a particle filter (22) in the exhaust gas tract (20) of a petrol-operated internal combustion engine (10) comprises: determining a measured differential pressurecurve (100) from a first pressure curve (110) measured in the exhaust gas tract (20) using a first p...

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Hauptverfasser: CHEN HAO, NIENHOFF MICHAEL
Format: Patent
Sprache:chi ; 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 CHEN HAO
NIENHOFF MICHAEL
description A method for determining a presence of a particle filter (22) in the exhaust gas tract (20) of a petrol-operated internal combustion engine (10) comprises: determining a measured differential pressurecurve (100) from a first pressure curve (110) measured in the exhaust gas tract (20) using a first pressure sensor (25) arranged upstream of an installation position (35) of the particle filter (22),and a second pressure curve (120) measured using a second pressure sensor (26) arranged downstream of an installation position (35) determining a first result curve (130) with a first low-pass filtration of the measured differential pressure curve (100); determining a second result curve (140) by means of a second low-pass filtration of the first result curve (130); determining a first differential result curve (150) by forming the difference between the first result curve (130) and the second result curve (140); determining a first amount result curve (160) by forming the amount of the firstdifferential result curve
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determining a second result curve (140) by means of a second low-pass filtration of the first result curve (130); determining a first differential result curve (150) by forming the difference between the first result curve (130) and the second result curve (140); determining a first amount result curve (160) by forming the amount of the firstdifferential result curve</description><language>chi ; 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>2020</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&amp;date=20200626&amp;DB=EPODOC&amp;CC=CN&amp;NR=111335992A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20200626&amp;DB=EPODOC&amp;CC=CN&amp;NR=111335992A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CHEN HAO</creatorcontrib><creatorcontrib>NIENHOFF MICHAEL</creatorcontrib><title>METHOD AND DEVICE FOR DIAGNOSIS OF A PARTICLE FILTER ARRANGED IN THE EXHAUST GAS SYSTEM OF A PETROL-OPERATED INTERNAL COMBUSTION ENGINE</title><description>A method for determining a presence of a particle filter (22) in the exhaust gas tract (20) of a petrol-operated internal combustion engine (10) comprises: determining a measured differential pressurecurve (100) from a first pressure curve (110) measured in the exhaust gas tract (20) using a first pressure sensor (25) arranged upstream of an installation position (35) of the particle filter (22),and a second pressure curve (120) measured using a second pressure sensor (26) arranged downstream of an installation position (35) determining a first result curve (130) with a first low-pass filtration of the measured differential pressure curve (100); 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determining a second result curve (140) by means of a second low-pass filtration of the first result curve (130); determining a first differential result curve (150) by forming the difference between the first result curve (130) and the second result curve (140); determining a first amount result curve (160) by forming the amount of the firstdifferential result curve</abstract><oa>free_for_read</oa></addata></record>
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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 AND DEVICE FOR DIAGNOSIS OF A PARTICLE FILTER ARRANGED IN THE EXHAUST GAS SYSTEM OF A PETROL-OPERATED INTERNAL COMBUSTION ENGINE
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