FR2907544B1 - SYSTEM FOR ESTIMATING THE FLOW OF AN INTERNAL COMBUSTION ENGINE INJECTOR - Google Patents

SYSTEM FOR ESTIMATING THE FLOW OF AN INTERNAL COMBUSTION ENGINE INJECTOR

Info

Publication number
FR2907544B1
FR2907544B1 FR0654374A FR0654374A FR2907544B1 FR 2907544 B1 FR2907544 B1 FR 2907544B1 FR 0654374 A FR0654374 A FR 0654374A FR 0654374 A FR0654374 A FR 0654374A FR 2907544 B1 FR2907544 B1 FR 2907544B1
Authority
FR
France
Prior art keywords
estimating
flow
combustion engine
internal combustion
engine injector
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
FR0654374A
Other languages
French (fr)
Other versions
FR2907544A1 (en
Inventor
Clement Nouvel
Jeremy Bernasconi
Andre Agneray
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 FR0654374A priority Critical patent/FR2907544B1/en
Publication of FR2907544A1 publication Critical patent/FR2907544A1/en
Application granted granted Critical
Publication of FR2907544B1 publication Critical patent/FR2907544B1/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
    • F02D41/20—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
    • F02D41/20—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
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/0603—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive operating means
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/101—Piezoelectric or electrostrictive devices with electrical and mechanical input and output, e.g. having combined actuator and sensor parts
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
FR0654374A 2006-10-19 2006-10-19 SYSTEM FOR ESTIMATING THE FLOW OF AN INTERNAL COMBUSTION ENGINE INJECTOR Active FR2907544B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0654374A FR2907544B1 (en) 2006-10-19 2006-10-19 SYSTEM FOR ESTIMATING THE FLOW OF AN INTERNAL COMBUSTION ENGINE INJECTOR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0654374A FR2907544B1 (en) 2006-10-19 2006-10-19 SYSTEM FOR ESTIMATING THE FLOW OF AN INTERNAL COMBUSTION ENGINE INJECTOR

Publications (2)

Publication Number Publication Date
FR2907544A1 FR2907544A1 (en) 2008-04-25
FR2907544B1 true FR2907544B1 (en) 2009-02-13

Family

ID=38150446

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0654374A Active FR2907544B1 (en) 2006-10-19 2006-10-19 SYSTEM FOR ESTIMATING THE FLOW OF AN INTERNAL COMBUSTION ENGINE INJECTOR

Country Status (1)

Country Link
FR (1) FR2907544B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009002311A1 (en) * 2009-04-09 2010-10-14 Robert Bosch Gmbh Piezoelectric actuator and fuel injector
DE102013206933A1 (en) 2013-04-17 2014-10-23 Continental Automotive Gmbh Modular actuator unit for an injection valve
FR3112572B1 (en) 2020-07-20 2022-06-17 Vitesco Technologies Static flow drift of a piezoelectric injector

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR411006A (en) 1909-12-17 1910-06-06 George James Jessup Springs for making box springs, mattresses, seats and other stuffed objects
FR2801346B1 (en) 1999-11-19 2002-10-31 Renault FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINE
DE19960971A1 (en) * 1999-12-17 2001-03-08 Bosch Gmbh Robert Piezoactuator e.g. for fuel injector in IC engine, is connected mechanically in series with sensor with stack of interacting piezo elements that produces signal proportional to mechanical displacement
DE10129375B4 (en) * 2001-06-20 2005-10-06 Mtu Friedrichshafen Gmbh Injector with piezo actuator
DE10162250A1 (en) * 2001-12-18 2003-07-03 Bosch Gmbh Robert Fuel injector
DE102004022371A1 (en) * 2004-05-06 2005-12-01 Bayerische Motoren Werke Ag Method for controlling a fuel injection valve
FR2876740B1 (en) * 2004-10-18 2006-12-29 Renault Sas METHOD AND DEVICE FOR CONTROLLING ULTRASONIC PIEZOELECTRIC INJECTORS FOR THERMAL ENGINES

Also Published As

Publication number Publication date
FR2907544A1 (en) 2008-04-25

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