FR2392237A1 - METHOD AND APPARATUS FOR CHECKING THE OPERATION OF INTERNAL COMBUSTION ENGINES WITH SPARK IGNITION IN WHICH THE ARRIVAL OF THE - Google Patents

METHOD AND APPARATUS FOR CHECKING THE OPERATION OF INTERNAL COMBUSTION ENGINES WITH SPARK IGNITION IN WHICH THE ARRIVAL OF THE

Info

Publication number
FR2392237A1
FR2392237A1 FR7815529A FR7815529A FR2392237A1 FR 2392237 A1 FR2392237 A1 FR 2392237A1 FR 7815529 A FR7815529 A FR 7815529A FR 7815529 A FR7815529 A FR 7815529A FR 2392237 A1 FR2392237 A1 FR 2392237A1
Authority
FR
France
Prior art keywords
arrival
checking
internal combustion
combustion engines
spark ignition
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.)
Withdrawn
Application number
FR7815529A
Other languages
French (fr)
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.)
Ricardo PLC
Original Assignee
Ricardo and Co Engineers 1927 Ltd
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 Ricardo and Co Engineers 1927 Ltd filed Critical Ricardo and Co Engineers 1927 Ltd
Publication of FR2392237A1 publication Critical patent/FR2392237A1/en
Withdrawn legal-status Critical Current

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
    • F02D41/1497—With detection of the mechanical response of the engine
    • F02D41/1498—With detection of the mechanical response of the engine measuring engine roughness
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
    • F02D2200/1015—Engines misfires
    • 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

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)
  • Exhaust-Gas Circulating Devices (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

Un détecteur 16 placé dans l'échappement 14 d'un moteur 10 détecte l'augmentation d'ionisation provoquée par des cycles à combustion retardée et émet des signaux dont la tension a des << pointes >> anormales. Un circuit de contrôle 19, 20 réduit progressivement la richesse du mélange, par échelons pendant le fonctionnement du moteur, jusqu'à l'apparition de ces << pointes >>, qu'il détecte, à la suite de quoi il émet un signal de régulation qui augmente la richesse du mélange combustible.A detector 16 placed in the exhaust 14 of an engine 10 detects the increase in ionization caused by delayed combustion cycles and outputs signals whose voltage has abnormal "spikes". A control circuit 19, 20 gradually reduces the richness of the mixture, in stages during the operation of the engine, until the appearance of these "spikes", which it detects, after which it emits a signal regulation which increases the richness of the fuel mixture.

FR7815529A 1977-05-25 1978-05-25 METHOD AND APPARATUS FOR CHECKING THE OPERATION OF INTERNAL COMBUSTION ENGINES WITH SPARK IGNITION IN WHICH THE ARRIVAL OF THE Withdrawn FR2392237A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2208277 1977-05-25

Publications (1)

Publication Number Publication Date
FR2392237A1 true FR2392237A1 (en) 1978-12-22

Family

ID=10173643

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7815529A Withdrawn FR2392237A1 (en) 1977-05-25 1978-05-25 METHOD AND APPARATUS FOR CHECKING THE OPERATION OF INTERNAL COMBUSTION ENGINES WITH SPARK IGNITION IN WHICH THE ARRIVAL OF THE

Country Status (7)

Country Link
JP (1) JPS5439722A (en)
DE (1) DE2822776A1 (en)
ES (1) ES470175A1 (en)
FR (1) FR2392237A1 (en)
GB (1) GB2000334A (en)
IT (1) IT7849529A0 (en)
SE (1) SE7806027L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2944834A1 (en) * 1979-11-07 1981-05-27 Robert Bosch Gmbh, 7000 Stuttgart METHOD FOR REGULATING THE LAMBDA AIR NUMBER IN A SELF-IGNITION COMBUSTION ENGINE
US7137382B2 (en) * 2002-11-01 2006-11-21 Visteon Global Technologies, Inc. Optimal wide open throttle air/fuel ratio control
US8079773B2 (en) * 2005-10-18 2011-12-20 General Electric Company Methods and apparatus for assembling composite structures
FR2895024B1 (en) * 2005-12-20 2013-08-16 Renault Sas METHOD FOR CONTROLLING AN ENGINE FOR ENHANCING ENGINE COMBUSTION DIAGNOSIS

Also Published As

Publication number Publication date
DE2822776A1 (en) 1978-11-30
SE7806027L (en) 1978-11-26
IT7849529A0 (en) 1978-05-24
GB2000334A (en) 1979-01-04
ES470175A1 (en) 1979-02-01
JPS5439722A (en) 1979-03-27

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Legal Events

Date Code Title Description
ST Notification of lapse