IT1310507B1 - Metodo di stima della temperatura dei gas di scarico a monte di unprecatalizzatore disposto lungo un condotto di scarico di un motore a - Google Patents

Metodo di stima della temperatura dei gas di scarico a monte di unprecatalizzatore disposto lungo un condotto di scarico di un motore a

Info

Publication number
IT1310507B1
IT1310507B1 IT1999BO000535A ITBO990535A IT1310507B1 IT 1310507 B1 IT1310507 B1 IT 1310507B1 IT 1999BO000535 A IT1999BO000535 A IT 1999BO000535A IT BO990535 A ITBO990535 A IT BO990535A IT 1310507 B1 IT1310507 B1 IT 1310507B1
Authority
IT
Italy
Prior art keywords
estimation
gas temperature
placed along
exhaust gas
temperature upstream
Prior art date
Application number
IT1999BO000535A
Other languages
English (en)
Inventor
Luca Poggio
Daniele Ceccarini
Original Assignee
Magneti Marelli Spa
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 Magneti Marelli Spa filed Critical Magneti Marelli Spa
Priority to IT1999BO000535A priority Critical patent/IT1310507B1/it
Publication of ITBO990535A0 publication Critical patent/ITBO990535A0/it
Priority to BRPI0006680A priority patent/BRPI0006680B8/pt
Priority to EP00121778A priority patent/EP1091108A1/en
Priority to US09/679,870 priority patent/US6422000B1/en
Publication of ITBO990535A1 publication Critical patent/ITBO990535A1/it
Application granted granted Critical
Publication of IT1310507B1 publication Critical patent/IT1310507B1/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1493—Details
    • F02D41/1494—Control of sensor heater
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
    • F02D41/1456—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio with sensor output signal being linear or quasi-linear with the concentration of oxygen

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
IT1999BO000535A 1999-10-06 1999-10-06 Metodo di stima della temperatura dei gas di scarico a monte di unprecatalizzatore disposto lungo un condotto di scarico di un motore a IT1310507B1 (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT1999BO000535A IT1310507B1 (it) 1999-10-06 1999-10-06 Metodo di stima della temperatura dei gas di scarico a monte di unprecatalizzatore disposto lungo un condotto di scarico di un motore a
BRPI0006680A BRPI0006680B8 (pt) 1999-10-06 2000-10-05 método para estimar a temperatura de gases de exaustão a montante de um pré-catalisador disposto ao longo de um duto de exaustão de um motor de combustão interna
EP00121778A EP1091108A1 (en) 1999-10-06 2000-10-05 Method for estimating the temperature of the exhaust gases upstream from a pre-catalyser, disposed along an exhaust pipe of an internal-combustion engine
US09/679,870 US6422000B1 (en) 1999-10-06 2000-10-05 Method for estimating the temperature of the exhaust gases upstream from a pre-catalyser, disposed along an exhaust pipe of an internal-combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1999BO000535A IT1310507B1 (it) 1999-10-06 1999-10-06 Metodo di stima della temperatura dei gas di scarico a monte di unprecatalizzatore disposto lungo un condotto di scarico di un motore a

Publications (3)

Publication Number Publication Date
ITBO990535A0 ITBO990535A0 (it) 1999-10-06
ITBO990535A1 ITBO990535A1 (it) 2001-04-06
IT1310507B1 true IT1310507B1 (it) 2002-02-18

Family

ID=11344265

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1999BO000535A IT1310507B1 (it) 1999-10-06 1999-10-06 Metodo di stima della temperatura dei gas di scarico a monte di unprecatalizzatore disposto lungo un condotto di scarico di un motore a

Country Status (4)

Country Link
US (1) US6422000B1 (it)
EP (1) EP1091108A1 (it)
BR (1) BRPI0006680B8 (it)
IT (1) IT1310507B1 (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1311110B1 (it) 1999-10-26 2002-02-28 Magneti Marelli Spa Metodo per la diagnosi di un sistema di abbattimento dei gas discarico per un motore a combustione interna.
US6712054B2 (en) * 2000-05-17 2004-03-30 Unisia Jecs Corporation Device and method for measuring element temperature of air-fuel ratio sensor, and device and method for controlling heater of air-fuel ratio sensor
US6381953B1 (en) * 2000-12-07 2002-05-07 Ford Global Technologies, Inc. Exhaust gas oxygen sensor temperature control for a variable displacement engine
DE10248842A1 (de) * 2002-10-19 2004-04-29 Daimlerchrysler Ag Vorrichtung und Verfahren zur Bestimmung des Alterungszustands eines Abgaskatalysators
JP4424182B2 (ja) * 2004-12-06 2010-03-03 株式会社デンソー 内燃機関の排気温度推定装置
DE102006009241A1 (de) * 2006-02-28 2007-09-06 Siemens Ag Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine
DE102008001213A1 (de) * 2008-04-16 2009-10-22 Robert Bosch Gmbh Verfahren und Vorrichtung zur Diagnose der Dynamik eines Abgassensors
GB2483512A (en) * 2010-09-13 2012-03-14 Gm Global Tech Operations Inc Estimating exhaust gas temperature using a NOx sensor
CN106968763B (zh) * 2017-03-31 2019-07-09 凯晟动力技术（嘉兴）有限公司 一种用于前氧传感器的加热器的加热功率修正方法及系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0633810A (ja) * 1992-07-16 1994-02-08 Mazda Motor Corp エンジンの排気系保護制御方法およびその装置
JP2860866B2 (ja) * 1993-11-02 1999-02-24 株式会社ユニシアジェックス 車両の触媒温度検出装置
JP3487009B2 (ja) * 1994-08-05 2004-01-13 株式会社デンソー 酸素センサのヒータ制御装置
JPH08128989A (ja) * 1994-10-31 1996-05-21 Nippondenso Co Ltd 酸素濃度検出装置
US5605040A (en) 1995-03-29 1997-02-25 Ford Motor Company Inferring temperature of a heated exhaust gas oxygen sensor
US5901553A (en) * 1995-03-29 1999-05-11 Ford Global Technologies, Inc. Method and system for estimating temperature of a heated exhaust gas oxygen sensor in an exhaust system having a variable length pipe
JP3692618B2 (ja) * 1995-08-29 2005-09-07 株式会社デンソー 内燃機関の空燃比制御装置
JPH10148152A (ja) * 1996-11-19 1998-06-02 Unisia Jecs Corp エンジンにおける酸素センサの温度推定装置
JP3796927B2 (ja) * 1997-10-31 2006-07-12 トヨタ自動車株式会社 内燃機関の還元剤供給制御装置
FR2771815B1 (fr) 1997-12-02 2000-02-18 Renault Procede d'estimation de la temperature des gaz d'echappement d'un moteur

Also Published As

Publication number Publication date
ITBO990535A1 (it) 2001-04-06
BRPI0006680B8 (pt) 2017-03-07
EP1091108A1 (en) 2001-04-11
US6422000B1 (en) 2002-07-23
ITBO990535A0 (it) 1999-10-06
BR0006680A (pt) 2001-08-21
BR0006680B1 (pt) 2012-08-07

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