GB2277594B - Estimating the temperature of a catalytic converter - Google Patents

Estimating the temperature of a catalytic converter

Info

Publication number
GB2277594B
GB2277594B GB9309098A GB9309098A GB2277594B GB 2277594 B GB2277594 B GB 2277594B GB 9309098 A GB9309098 A GB 9309098A GB 9309098 A GB9309098 A GB 9309098A GB 2277594 B GB2277594 B GB 2277594B
Authority
GB
United Kingdom
Prior art keywords
estimating
temperature
catalytic converter
catalytic
converter
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
GB9309098A
Other versions
GB2277594A (en
GB9309098D0 (en
Inventor
Thomas Tsoi-Hei Ma
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 Motor Co
Original Assignee
Ford Motor Co
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 Motor Co filed Critical Ford Motor Co
Priority to GB9309098A priority Critical patent/GB2277594B/en
Publication of GB9309098D0 publication Critical patent/GB9309098D0/en
Publication of GB2277594A publication Critical patent/GB2277594A/en
Application granted granted Critical
Publication of GB2277594B publication Critical patent/GB2277594B/en
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
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • F01N9/005—Electrical control of exhaust gas treating apparatus using models instead of sensors to determine operating characteristics of exhaust systems, e.g. calculating catalyst temperature instead of measuring it directly
    • 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
    • F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
    • 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
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F01N13/0097—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
    • F01N3/204—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using an exhaust gas igniter, e.g. a spark or glow plug, without introducing fuel into exhaust duct
    • 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
    • Y02T10/12—Improving ICE efficiencies
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
GB9309098A 1993-05-01 1993-05-01 Estimating the temperature of a catalytic converter Expired - Fee Related GB2277594B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9309098A GB2277594B (en) 1993-05-01 1993-05-01 Estimating the temperature of a catalytic converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9309098A GB2277594B (en) 1993-05-01 1993-05-01 Estimating the temperature of a catalytic converter

Publications (3)

Publication Number Publication Date
GB9309098D0 GB9309098D0 (en) 1993-06-16
GB2277594A GB2277594A (en) 1994-11-02
GB2277594B true GB2277594B (en) 1996-09-25

Family

ID=10734855

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9309098A Expired - Fee Related GB2277594B (en) 1993-05-01 1993-05-01 Estimating the temperature of a catalytic converter

Country Status (1)

Country Link
GB (1) GB2277594B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19517434B4 (en) * 1995-05-12 2006-08-10 Robert Bosch Gmbh Method for interrupting the fuel supply during coasting of an internal combustion engine
DE19541903A1 (en) * 1995-11-10 1997-05-15 Bayerische Motoren Werke Ag Monitoring system for the exhaust gas purification of an internal combustion engine
FR2795131B1 (en) * 1999-06-16 2001-08-31 Renault METHOD FOR ESTIMATING THE TEMPERATURE OF A CATALYTIC POT FOR TREATMENT OF EXHAUST GASES FROM AN INTERNAL COMBUSTION ENGINE
US6393357B1 (en) * 2000-07-17 2002-05-21 Ford Global Technologies, Inc. System and method for inferring engine oil temperature at startup
US8646252B2 (en) * 2010-01-08 2014-02-11 GM Global Technology Operations LLC Preventing catalyst damage during misfire event
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
CN103541793A (en) * 2013-09-26 2014-01-29 东风本田发动机有限公司 Method and device for purifying and processing tail gas of engine bench test
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4132200A (en) * 1976-02-12 1979-01-02 Nissan Motor Company, Limited Emission control apparatus with reduced hangover time to switch from open- to closed-loop control modes
WO1990004764A1 (en) * 1988-10-21 1990-05-03 Robert Bosch Gmbh A process and device for temperature measurement using the internal resistance of a lambda probe

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4132200A (en) * 1976-02-12 1979-01-02 Nissan Motor Company, Limited Emission control apparatus with reduced hangover time to switch from open- to closed-loop control modes
WO1990004764A1 (en) * 1988-10-21 1990-05-03 Robert Bosch Gmbh A process and device for temperature measurement using the internal resistance of a lambda probe

Also Published As

Publication number Publication date
GB2277594A (en) 1994-11-02
GB9309098D0 (en) 1993-06-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080501