IT1315794B1 - Procedimento per rilevare variazioni in un corpo catalizzatore per gas di scarico che ne riducono la capacita' di passaggio. - Google Patents

Procedimento per rilevare variazioni in un corpo catalizzatore per gas di scarico che ne riducono la capacita' di passaggio.

Info

Publication number
IT1315794B1
IT1315794B1 IT2000RM000011A ITRM20000011A IT1315794B1 IT 1315794 B1 IT1315794 B1 IT 1315794B1 IT 2000RM000011 A IT2000RM000011 A IT 2000RM000011A IT RM20000011 A ITRM20000011 A IT RM20000011A IT 1315794 B1 IT1315794 B1 IT 1315794B1
Authority
IT
Italy
Prior art keywords
procedure
reduces
exhaust gas
catalyst body
detecting changes
Prior art date
Application number
IT2000RM000011A
Other languages
English (en)
Inventor
Peter Hohner
Joerg Miroll
Hartung Wilstermann
Original Assignee
Daimler Chrysler Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daimler Chrysler Ag filed Critical Daimler Chrysler Ag
Publication of ITRM20000011A0 publication Critical patent/ITRM20000011A0/it
Publication of ITRM20000011A1 publication Critical patent/ITRM20000011A1/it
Application granted granted Critical
Publication of IT1315794B1 publication Critical patent/IT1315794B1/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/02—Catalytic activity of catalytic converters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
    • F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
    • F02D35/021—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions using an ionic current sensor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems
IT2000RM000011A 1999-01-14 2000-01-10 Procedimento per rilevare variazioni in un corpo catalizzatore per gas di scarico che ne riducono la capacita' di passaggio. IT1315794B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19901066A DE19901066C1 (de) 1999-01-14 1999-01-14 Verfahren zur Erkennung von durchlaßverringernden Veränderungen in einem Abgaskatalysatorkörper

Publications (3)

Publication Number Publication Date
ITRM20000011A0 ITRM20000011A0 (it) 2000-01-10
ITRM20000011A1 ITRM20000011A1 (it) 2001-07-10
IT1315794B1 true IT1315794B1 (it) 2003-03-26

Family

ID=7894161

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2000RM000011A IT1315794B1 (it) 1999-01-14 2000-01-10 Procedimento per rilevare variazioni in un corpo catalizzatore per gas di scarico che ne riducono la capacita' di passaggio.

Country Status (5)

Country Link
US (1) US6205774B1 (it)
DE (1) DE19901066C1 (it)
FR (1) FR2788601B1 (it)
GB (1) GB2345972B (it)
IT (1) IT1315794B1 (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3523542B2 (ja) * 1999-09-27 2004-04-26 三菱電機株式会社 内燃機関の失火検出装置
JP2001248531A (ja) * 2000-03-07 2001-09-14 Daihatsu Motor Co Ltd 内燃機関の点火プラグ取付構造
DE10211456B4 (de) * 2002-03-15 2005-04-21 Daimlerchrysler Ag Verfahren zur Überwachung der Partikelemissions-Grenzwerte bei einem Verbrennungsmotor
US6922628B2 (en) * 2003-11-26 2005-07-26 Visteon Global Technologies, Inc. IC engine diagnostic system using the peak and integration ionization current signals
US8629781B2 (en) * 2011-05-05 2014-01-14 GM Global Technology Operations LLC Efficiency determination for a selective-catalytic-reduction catalyst
US11107307B2 (en) * 2018-05-01 2021-08-31 Ford Global Technologies, Llc Systems and methods for probabilistic on-board diagnostics

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2554988C2 (de) * 1975-12-06 1985-01-10 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur Bestimmung der Zusammensetzung des einer Brennkraftmaschine zugeführten Betriebsgemisches bzw. des Verbrennungsablaufs des Betriebsgemisches und Einrichtung zur Durchführung des Verfahrens
US4487184A (en) * 1983-07-07 1984-12-11 Robert Bosch Gmbh Control of an internal combustion engine with reference to a combustion chamber sensor
DE3828518A1 (de) * 1988-08-23 1990-03-01 Pierburg Gmbh Zuendkerze mit integriertem ionenstromsensor
DE4002206C2 (de) * 1990-01-26 2000-06-15 Bosch Gmbh Robert Katalysatorschutzverfahren
KR950013542B1 (ko) * 1991-07-17 1995-11-08 미쓰비시 덴키 가부시키가이샤 내연기관 실화검출장치
IT1249969B (it) 1991-07-30 1995-03-30 Iveco Fiat Metodo ed apparecchiatura per la determinazione dell'intasamento di unfiltro, in particolare di un filtro di un impianto di scarico.
US5261271A (en) 1992-01-27 1993-11-16 Ford Motor Company Exhaust backpressure tester
US5373733A (en) 1992-12-31 1994-12-20 Donaldson Company, Inc. Exhaust filter backpressure indicator
JP3194680B2 (ja) * 1994-12-15 2001-07-30 三菱電機株式会社 内燃機関の失火検出装置
DE19614288C1 (de) * 1996-04-11 1997-08-07 Telefunken Microelectron Schaltungsanordnung zur Ionenstrommessung im Verbrennungsraum einer Brennkraftmaschine und zur Wechselstromzündung der Brennkraftmaschine
JPH10159699A (ja) * 1996-12-02 1998-06-16 Mitsubishi Electric Corp 内燃機関の燃焼制御装置
JPH10252635A (ja) * 1997-03-17 1998-09-22 Hitachi Ltd 故障診断装置付きエンジン燃焼状態検出装置
DE19727004A1 (de) * 1997-06-25 1999-01-07 Bosch Gmbh Robert Verfahren und Vorrichtung zur Erkennung von Zündaussetzern einer Brennkraftmaschine
US5778855A (en) * 1997-07-03 1998-07-14 Ford Global Technologies, Inc. Combustion stability control for lean burn engines

Also Published As

Publication number Publication date
DE19901066C1 (de) 2000-08-10
US6205774B1 (en) 2001-03-27
GB2345972A (en) 2000-07-26
FR2788601B1 (fr) 2005-09-02
ITRM20000011A1 (it) 2001-07-10
GB2345972B (en) 2000-12-20
ITRM20000011A0 (it) 2000-01-10
GB0000538D0 (en) 2000-03-01
FR2788601A1 (fr) 2000-07-21

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