IT1306318B1 - Dispositivo di controllo del rapporto aria/combustibile dellamiscela alimentata ad un motore endotermico - Google Patents

Dispositivo di controllo del rapporto aria/combustibile dellamiscela alimentata ad un motore endotermico

Info

Publication number
IT1306318B1
IT1306318B1 IT1998BO000437A ITBO980437A IT1306318B1 IT 1306318 B1 IT1306318 B1 IT 1306318B1 IT 1998BO000437 A IT1998BO000437 A IT 1998BO000437A IT BO980437 A ITBO980437 A IT BO980437A IT 1306318 B1 IT1306318 B1 IT 1306318B1
Authority
IT
Italy
Prior art keywords
air
control device
fuel ratio
ratio control
mixture supplied
Prior art date
Application number
IT1998BO000437A
Other languages
English (en)
Inventor
Luca Poggio
Marco Secco
Marco Violani
Giovanni Gaviani
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 IT1998BO000437A priority Critical patent/IT1306318B1/it
Priority to EP99113853A priority patent/EP0972928B1/en
Priority to ES99113853T priority patent/ES2217652T3/es
Priority to DE69915939T priority patent/DE69915939T2/de
Priority to BRPI9904567-2A priority patent/BR9904567B1/pt
Priority to US09/354,843 priority patent/US6167697B1/en
Publication of ITBO980437A1 publication Critical patent/ITBO980437A1/it
Application granted granted Critical
Publication of IT1306318B1 publication Critical patent/IT1306318B1/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
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
    • F02D41/1441—Plural sensors
    • 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
    • F02D41/1473—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method
    • F02D41/1475—Regulating the air fuel ratio at a value other than stoichiometry
    • 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
    • F02D41/1477—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation circuit or part of it,(e.g. comparator, PI regulator, output)
    • F02D41/1479—Using a comparator with variable reference
    • 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)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Control Of The Air-Fuel Ratio Of Carburetors (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Exhaust Gas After Treatment (AREA)
IT1998BO000437A 1998-07-16 1998-07-16 Dispositivo di controllo del rapporto aria/combustibile dellamiscela alimentata ad un motore endotermico IT1306318B1 (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT1998BO000437A IT1306318B1 (it) 1998-07-16 1998-07-16 Dispositivo di controllo del rapporto aria/combustibile dellamiscela alimentata ad un motore endotermico
EP99113853A EP0972928B1 (en) 1998-07-16 1999-07-15 A device for controlling the air/fuel ratio of the mixture supplied to an endothermal engine
ES99113853T ES2217652T3 (es) 1998-07-16 1999-07-15 Dispositivo de control de la relacion de mezcla aire/combustible en un motor de combustion interna.
DE69915939T DE69915939T2 (de) 1998-07-16 1999-07-15 Vorrichtung zur Steuerung des Luftkraftstoffgemisches in einer Brennkraftmaschine
BRPI9904567-2A BR9904567B1 (pt) 1998-07-16 1999-07-16 dispositivo para controle da taxa ar/combustìvel de uma mistura suprida a um motor endotérmico.
US09/354,843 US6167697B1 (en) 1998-07-16 1999-07-16 Device for controlling the air/fuel ratio of the mixture supplied to an endothermal engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1998BO000437A IT1306318B1 (it) 1998-07-16 1998-07-16 Dispositivo di controllo del rapporto aria/combustibile dellamiscela alimentata ad un motore endotermico

Publications (2)

Publication Number Publication Date
ITBO980437A1 ITBO980437A1 (it) 2000-01-16
IT1306318B1 true IT1306318B1 (it) 2001-06-04

Family

ID=11343309

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1998BO000437A IT1306318B1 (it) 1998-07-16 1998-07-16 Dispositivo di controllo del rapporto aria/combustibile dellamiscela alimentata ad un motore endotermico

Country Status (6)

Country Link
US (1) US6167697B1 (it)
EP (1) EP0972928B1 (it)
BR (1) BR9904567B1 (it)
DE (1) DE69915939T2 (it)
ES (1) ES2217652T3 (it)
IT (1) IT1306318B1 (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1306286B1 (it) * 1998-11-13 2001-06-04 Magneti Marelli Spa Dispositivo di controllo di una sonda lineare di ossigeno.
DE10340815B3 (de) * 2003-09-04 2004-09-23 Siemens Ag Verfahren zur Gemischregelung bei einer Brennkraftmaschine
US7937209B2 (en) 2007-08-17 2011-05-03 GM Global Technology Operations LLC Air fuel ratio control system for internal combustion engines
DE102009039775A1 (de) * 2009-09-02 2011-03-03 Audi Ag Verfahren zum Betreiben eines Verbrennungsmotors

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2216705C3 (de) * 1972-04-07 1978-06-08 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Vorrichtung zum Entgiften der Abgase einer Brennkraftmaschine
US5335493A (en) * 1990-01-24 1994-08-09 Nissan Motor Co., Ltd. Dual sensor type air fuel ratio control system for internal combustion engine
JPH048858A (ja) * 1990-04-26 1992-01-13 Nippondenso Co Ltd ガスエンジンの空燃比制御装置
US5325664A (en) * 1991-10-18 1994-07-05 Honda Giken Kogyo Kabushiki Kaisha System for determining deterioration of catalysts of internal combustion engines
US5622047A (en) * 1992-07-03 1997-04-22 Nippondenso Co., Ltd. Method and apparatus for detecting saturation gas amount absorbed by catalytic converter
US5363647A (en) * 1992-10-13 1994-11-15 Mitsubishi Denki Kabushiki Kaisha Dual-sensor type air fuel ratio control system for internal combustion engine and catalytic converter diagnosis apparatus for the same
US5392598A (en) * 1993-10-07 1995-02-28 General Motors Corporation Internal combustion engine air/fuel ratio regulation
US5656765A (en) * 1995-06-28 1997-08-12 General Motors Corporation Air/fuel ratio control diagnostic
JPH0941948A (ja) * 1995-07-26 1997-02-10 Toyota Motor Corp 内燃機関の触媒劣化判別装置
FR2740176B1 (fr) * 1995-10-18 1997-11-28 Renault Systeme et procede de double boucle de commande pour moteur a combustion interne

Also Published As

Publication number Publication date
DE69915939D1 (de) 2004-05-06
EP0972928A1 (en) 2000-01-19
DE69915939T2 (de) 2005-03-10
BR9904567B1 (pt) 2010-10-19
ITBO980437A1 (it) 2000-01-16
EP0972928B1 (en) 2004-03-31
BR9904567A (pt) 2000-09-12
ES2217652T3 (es) 2004-11-01
US6167697B1 (en) 2001-01-02

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