FR2876740B1 - METHOD AND DEVICE FOR CONTROLLING ULTRASONIC PIEZOELECTRIC INJECTORS FOR THERMAL ENGINES - Google Patents

METHOD AND DEVICE FOR CONTROLLING ULTRASONIC PIEZOELECTRIC INJECTORS FOR THERMAL ENGINES

Info

Publication number
FR2876740B1
FR2876740B1 FR0411006A FR0411006A FR2876740B1 FR 2876740 B1 FR2876740 B1 FR 2876740B1 FR 0411006 A FR0411006 A FR 0411006A FR 0411006 A FR0411006 A FR 0411006A FR 2876740 B1 FR2876740 B1 FR 2876740B1
Authority
FR
France
Prior art keywords
ultrasonic piezoelectric
thermal engines
controlling ultrasonic
piezoelectric injectors
injectors
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.)
Active
Application number
FR0411006A
Other languages
French (fr)
Other versions
FR2876740A1 (en
Inventor
Christophe Ripoll
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.)
Renault SAS
Original Assignee
Renault SAS
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 Renault SAS filed Critical Renault SAS
Priority to FR0411006A priority Critical patent/FR2876740B1/en
Priority to PCT/FR2005/050860 priority patent/WO2006042997A1/en
Publication of FR2876740A1 publication Critical patent/FR2876740A1/en
Application granted granted Critical
Publication of FR2876740B1 publication Critical patent/FR2876740B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
    • F02D41/2464—Characteristics of actuators
    • F02D41/2467—Characteristics of actuators for injectors
    • 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
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D41/2096—Output circuits, e.g. for controlling currents in command coils for controlling piezoelectric injectors
    • 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
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2429—Methods of calibrating or learning
    • 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
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D2041/2003—Output circuits, e.g. for controlling currents in command coils using means for creating a boost voltage, i.e. generation or use of a voltage higher than the battery voltage, e.g. to speed up injector opening
    • F02D2041/2006—Output circuits, e.g. for controlling currents in command coils using means for creating a boost voltage, i.e. generation or use of a voltage higher than the battery voltage, e.g. to speed up injector opening by using a boost capacitor
    • 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
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D2041/2003—Output circuits, e.g. for controlling currents in command coils using means for creating a boost voltage, i.e. generation or use of a voltage higher than the battery voltage, e.g. to speed up injector opening
    • F02D2041/201—Output circuits, e.g. for controlling currents in command coils using means for creating a boost voltage, i.e. generation or use of a voltage higher than the battery voltage, e.g. to speed up injector opening by using a boost inductance
    • 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
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
    • F02D2041/2051—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit using voltage control
    • 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
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
    • F02D2041/2058—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit using information of the actual current value
    • 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
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D2041/2068—Output circuits, e.g. for controlling currents in command coils characterised by the circuit design or special circuit elements
    • F02D2041/2082—Output circuits, e.g. for controlling currents in command coils characterised by the circuit design or special circuit elements the circuit being adapted to distribute current between different actuators or recuperate energy from actuators
    • 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
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2432—Methods of calibration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/04—Injectors peculiar thereto
    • F02M69/041—Injectors peculiar thereto having vibrating means for atomizing the fuel, e.g. with sonic or ultrasonic vibrations

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
FR0411006A 2004-10-18 2004-10-18 METHOD AND DEVICE FOR CONTROLLING ULTRASONIC PIEZOELECTRIC INJECTORS FOR THERMAL ENGINES Active FR2876740B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0411006A FR2876740B1 (en) 2004-10-18 2004-10-18 METHOD AND DEVICE FOR CONTROLLING ULTRASONIC PIEZOELECTRIC INJECTORS FOR THERMAL ENGINES
PCT/FR2005/050860 WO2006042997A1 (en) 2004-10-18 2005-10-18 Method and device for monitoring ultrasonic piezoelectric injectors for a heat engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0411006A FR2876740B1 (en) 2004-10-18 2004-10-18 METHOD AND DEVICE FOR CONTROLLING ULTRASONIC PIEZOELECTRIC INJECTORS FOR THERMAL ENGINES

Publications (2)

Publication Number Publication Date
FR2876740A1 FR2876740A1 (en) 2006-04-21
FR2876740B1 true FR2876740B1 (en) 2006-12-29

Family

ID=34949946

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0411006A Active FR2876740B1 (en) 2004-10-18 2004-10-18 METHOD AND DEVICE FOR CONTROLLING ULTRASONIC PIEZOELECTRIC INJECTORS FOR THERMAL ENGINES

Country Status (2)

Country Link
FR (1) FR2876740B1 (en)
WO (1) WO2006042997A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4853201B2 (en) * 2006-09-27 2012-01-11 株式会社デンソー INJECTOR DRIVE DEVICE AND INJECTOR DRIVE SYSTEM
FR2907544B1 (en) * 2006-10-19 2009-02-13 Renault Sas SYSTEM FOR ESTIMATING THE FLOW OF AN INTERNAL COMBUSTION ENGINE INJECTOR

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4469974A (en) * 1982-06-14 1984-09-04 Eaton Corporation Low power acoustic fuel injector drive circuit
US4732129A (en) * 1985-04-15 1988-03-22 Nippon Soken, Inc. Control apparatus for electroexpansive actuator enabling variation of stroke
FR2801346B1 (en) 1999-11-19 2002-10-31 Renault FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINE
US20030116641A1 (en) * 2001-10-02 2003-06-26 Ngk Insulators, Ltd. Liquid injection apparatus

Also Published As

Publication number Publication date
FR2876740A1 (en) 2006-04-21
WO2006042997A1 (en) 2006-04-27

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