DE69223630D1 - Sauerstoffsensor für abgase - Google Patents

Sauerstoffsensor für abgase

Info

Publication number
DE69223630D1
DE69223630D1 DE69223630T DE69223630T DE69223630D1 DE 69223630 D1 DE69223630 D1 DE 69223630D1 DE 69223630 T DE69223630 T DE 69223630T DE 69223630 T DE69223630 T DE 69223630T DE 69223630 D1 DE69223630 D1 DE 69223630D1
Authority
DE
Germany
Prior art keywords
exhaust gas
oxygen sensor
oxygen
sensor
exhaust
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69223630T
Other languages
English (en)
Other versions
DE69223630T2 (de
Inventor
Douglas Hamburg
Eleftherios Logothetis
Jacobus Visser
Richard Soltis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ford Werke GmbH
Original Assignee
Ford Werke GmbH
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 Ford Werke GmbH filed Critical Ford Werke GmbH
Publication of DE69223630D1 publication Critical patent/DE69223630D1/de
Application granted granted Critical
Publication of DE69223630T2 publication Critical patent/DE69223630T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • F01N11/007—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring oxygen or air concentration downstream of the exhaust apparatus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403—Cells and electrode assemblies
    • G01N27/406—Cells and probes with solid electrolytes
    • G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/417—Systems using cells, i.e. more than one cell and probes with solid electrolytes
    • 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
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Electrochemistry (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
DE69223630T 1991-08-07 1992-07-30 Sauerstoffsensor für abgase Expired - Fee Related DE69223630T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/741,378 US5268086A (en) 1991-08-07 1991-08-07 Catalyst monitoring using ego sensors
PCT/EP1992/001727 WO1993003357A1 (en) 1991-08-07 1992-07-30 An exhaust gas oxygen sensor

Publications (2)

Publication Number Publication Date
DE69223630D1 true DE69223630D1 (de) 1998-01-29
DE69223630T2 DE69223630T2 (de) 1998-04-09

Family

ID=24980485

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69223630T Expired - Fee Related DE69223630T2 (de) 1991-08-07 1992-07-30 Sauerstoffsensor für abgase

Country Status (6)

Country Link
US (1) US5268086A (de)
EP (1) EP0599875B1 (de)
CA (1) CA2114786A1 (de)
DE (1) DE69223630T2 (de)
MX (1) MX9204551A (de)
WO (1) WO1993003357A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1257100B (it) * 1992-09-14 1996-01-05 Fiat Auto Spa Sistema di monitoraggio dell'efficienza di un catalizzatore, particolarmente per autoveicoli.
DE4428954C2 (de) * 1994-08-16 1999-08-05 Lamtec Mes Und Regeltechnik Fu Sensor
US5497618A (en) * 1994-09-30 1996-03-12 Ford Motor Company Air/fuel control system with catalytic converter monitoring
US5499500A (en) * 1994-12-19 1996-03-19 Ford Motor Company Engine air/fuel control system with catalytic converter and exhaust gas oxygen sensor monitoring
JP3333678B2 (ja) * 1996-01-05 2002-10-15 株式会社日立製作所 ガス成分センサ及び触媒診断装置
US6679982B1 (en) * 1997-08-07 2004-01-20 Ngk Spark Plug Co., Ltd. Oxygen sensor
JP3429180B2 (ja) * 1998-01-28 2003-07-22 日本特殊陶業株式会社 酸素センサ
US6803236B2 (en) * 2001-08-10 2004-10-12 Delphi Technologies, Inc. Diagnostic system for monitoring catalyst performance
US20090101502A1 (en) * 2003-02-10 2009-04-23 Robert Bosch Gmbh Thermal Shock Resistant Gas Sensor Element
US8906214B2 (en) * 2003-02-10 2014-12-09 Robert Bosch Gmbh Contamination-resistant gas sensor element
US7211180B2 (en) * 2003-02-10 2007-05-01 Robert Bosch Corporation Contamination-resistant gas sensor element
DE102005056312A1 (de) * 2005-11-25 2007-06-06 Volkswagen Ag Verfahren zur Überprüfung der Konvertierungsfähigkeit eines Katalysators
US8646252B2 (en) * 2010-01-08 2014-02-11 GM Global Technology Operations LLC Preventing catalyst damage during misfire event
US9297791B2 (en) 2012-12-20 2016-03-29 Robert Bosch Gmbh Gas sensor with thermal shock protection
US9494090B2 (en) 2013-03-07 2016-11-15 GM Global Technology Operations LLC System and method for controlling an engine in a bi-fuel vehicle to prevent damage to a catalyst due to engine misfire
US9457789B2 (en) 2014-05-13 2016-10-04 GM Global Technology Operations LLC System and method for controlling a multi-fuel engine to reduce engine pumping losses

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3981785A (en) * 1969-07-18 1976-09-21 Westinghouse Electric Corporation Electrochemical sensor for reactive gas mixtures
US4007589A (en) * 1973-01-31 1977-02-15 Robert Bosch G.M.B.H. Internal combustion exhaust catalytic reactor monitoring system
DE2304622A1 (de) * 1973-01-31 1974-08-15 Bosch Gmbh Robert Einrichtung zur ueberwachung von katalytischen reaktoren in abgasentgiftungsanlagen von brennkraftmaschinen
DE2444334A1 (de) * 1974-09-17 1976-03-25 Bosch Gmbh Robert Verfahren und einrichtung zur ueberwachung der aktivitaet von katalytischen reaktoren
US4121548A (en) * 1976-08-08 1978-10-24 Nippon Soken, Inc. Deteriorated condition detecting apparatus for an oxygen sensor
JPS5346084A (en) * 1976-10-08 1978-04-25 Nissan Motor Oxygen sensor
JPS5417414A (en) * 1977-07-08 1979-02-08 Nippon Soken Inc Exhaust gas purifying system
JPS59175168U (ja) * 1983-05-09 1984-11-22 日本碍子株式会社 加熱器付酸素濃度検出器
CH668620A5 (de) * 1984-04-12 1989-01-13 Daimler Benz Ag Verfahren zur ueberpruefung und justierung von katalytischen abgasreinigungsanlagen von verbrennungsmotoren.
JPS60179862U (ja) * 1984-05-07 1985-11-29 株式会社デンソー 酸素濃度検出器
US4773376A (en) * 1986-11-10 1988-09-27 Japan Electronic Control Systems Co., Ltd. Oxygen gas concentration-detecting apparatus and air-fuel ratio-controlling apparatus using same in internal combustion engine
JPS6383415U (de) * 1986-11-20 1988-06-01
JP2797306B2 (ja) * 1987-03-13 1998-09-17 三菱自動車工業株式会社 酸素センサ及び該センサを適用した内燃エンジンの空燃比制御装置
US4990235A (en) * 1989-02-23 1991-02-05 Toyota Jidosha Kabushiki Oxygen sensor

Also Published As

Publication number Publication date
MX9204551A (es) 1993-03-01
EP0599875A1 (de) 1994-06-08
US5268086A (en) 1993-12-07
EP0599875B1 (de) 1997-12-17
WO1993003357A1 (en) 1993-02-18
DE69223630T2 (de) 1998-04-09
CA2114786A1 (en) 1993-02-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee