FR2494770A2 - Dispositif en vue de la reconnaissance d'allures indesirables de combustion dans des moteurs a combustion interne a allumage exterieur - Google Patents

Dispositif en vue de la reconnaissance d'allures indesirables de combustion dans des moteurs a combustion interne a allumage exterieur Download PDF

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Publication number
FR2494770A2
FR2494770A2 FR8122049A FR8122049A FR2494770A2 FR 2494770 A2 FR2494770 A2 FR 2494770A2 FR 8122049 A FR8122049 A FR 8122049A FR 8122049 A FR8122049 A FR 8122049A FR 2494770 A2 FR2494770 A2 FR 2494770A2
Authority
FR
France
Prior art keywords
signal
frequency
knock
rectifier
speed
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.)
Granted
Application number
FR8122049A
Other languages
English (en)
French (fr)
Other versions
FR2494770B2 (enExample
Inventor
Ingo Dudeck
Manfred Maass
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.)
Daimler Benz AG
Original Assignee
Daimler Benz AG
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
Priority claimed from DE2923056A external-priority patent/DE2923056C2/de
Priority claimed from DE19803044745 external-priority patent/DE3044745A1/de
Application filed by Daimler Benz AG filed Critical Daimler Benz AG
Publication of FR2494770A2 publication Critical patent/FR2494770A2/fr
Application granted granted Critical
Publication of FR2494770B2 publication Critical patent/FR2494770B2/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P5/00—Advancing or retarding ignition; Control therefor
    • F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
    • F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
    • F02P5/15—Digital data processing
    • F02P5/152—Digital data processing dependent on pinking
    • F02P5/1526—Digital data processing dependent on pinking with means for taking into account incorrect functioning of the pinking sensor or of the electrical means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
    • G01L23/22—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
    • G01L23/221—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines
    • G01L23/225—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines circuit arrangements therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • 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)
  • Combustion & Propulsion (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Ignition Timing (AREA)
FR8122049A 1979-06-07 1981-11-25 Dispositif en vue de la reconnaissance d'allures indesirables de combustion dans des moteurs a combustion interne a allumage exterieur Granted FR2494770A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2923056A DE2923056C2 (de) 1979-06-07 1979-06-07 Vorrichtung zum Erkennen unerwünschter Verbrennungsverläufe bei fremdgezündeten Brennkraftmaschinen
DE19803044745 DE3044745A1 (de) 1980-11-27 1980-11-27 "vorrichtung zum erkennen unerwuenschter verbrennungsverlaeufe bei fremdgezuendeten brennkraftmaschinen"

Publications (2)

Publication Number Publication Date
FR2494770A2 true FR2494770A2 (fr) 1982-05-28
FR2494770B2 FR2494770B2 (enExample) 1983-12-23

Family

ID=25779426

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8122049A Granted FR2494770A2 (fr) 1979-06-07 1981-11-25 Dispositif en vue de la reconnaissance d'allures indesirables de combustion dans des moteurs a combustion interne a allumage exterieur

Country Status (1)

Country Link
FR (1) FR2494770A2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2554235A1 (fr) * 1983-10-27 1985-05-03 Daimler Benz Ag Procede pour la detection de cylindres fonctionnant avec une combustion irreguliere dans un moteur a combustion interne et dispositif pour la mise en oeuvre de ce procede

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2063377A5 (enExample) * 1969-10-13 1971-07-09 Mobil Oil France
US3822583A (en) * 1972-11-30 1974-07-09 Standard Oil Co Method for determining octane ratings of fuels under road conditions
US4002155A (en) * 1976-01-12 1977-01-11 General Motors Corporation Engine and engine spark timing control with knock limiting etc.
US4106447A (en) * 1977-04-22 1978-08-15 General Motors Corporation Engine spark timing system with retard means and minimum burn timer
GB2009406A (en) * 1977-12-06 1979-06-13 Snam Progetti Detecting knocking in an engine
FR2425059A1 (enExample) * 1978-05-01 1979-11-30 Nissan Motor

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2063377A5 (enExample) * 1969-10-13 1971-07-09 Mobil Oil France
US3822583A (en) * 1972-11-30 1974-07-09 Standard Oil Co Method for determining octane ratings of fuels under road conditions
US4002155A (en) * 1976-01-12 1977-01-11 General Motors Corporation Engine and engine spark timing control with knock limiting etc.
US4106447A (en) * 1977-04-22 1978-08-15 General Motors Corporation Engine spark timing system with retard means and minimum burn timer
GB2009406A (en) * 1977-12-06 1979-06-13 Snam Progetti Detecting knocking in an engine
FR2411399A1 (fr) * 1977-12-06 1979-07-06 Snam Progetti Systeme automatique pour supprimer le bruit de fond dans un appareil pour mesurer le cognement dans les moteurs a combustion interne
FR2425059A1 (enExample) * 1978-05-01 1979-11-30 Nissan Motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2554235A1 (fr) * 1983-10-27 1985-05-03 Daimler Benz Ag Procede pour la detection de cylindres fonctionnant avec une combustion irreguliere dans un moteur a combustion interne et dispositif pour la mise en oeuvre de ce procede

Also Published As

Publication number Publication date
FR2494770B2 (enExample) 1983-12-23

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