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FR2892458B1 - Moteur a combustion interne a taux de compression variable - Google Patents

Moteur a combustion interne a taux de compression variable

Info

Publication number
FR2892458B1
FR2892458B1 FR0510889A FR0510889A FR2892458B1 FR 2892458 B1 FR2892458 B1 FR 2892458B1 FR 0510889 A FR0510889 A FR 0510889A FR 0510889 A FR0510889 A FR 0510889A FR 2892458 B1 FR2892458 B1 FR 2892458B1
Authority
FR
France
Prior art keywords
combustion engine
internal combustion
compression ratio
variable compression
variable
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.)
Expired - Fee Related
Application number
FR0510889A
Other languages
English (en)
Other versions
FR2892458A1 (fr
Inventor
Emmanuel Devaud
Pascal Emery
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 FR0510889A priority Critical patent/FR2892458B1/fr
Priority to PCT/FR2006/050984 priority patent/WO2007048949A1/fr
Publication of FR2892458A1 publication Critical patent/FR2892458A1/fr
Application granted granted Critical
Publication of FR2892458B1 publication Critical patent/FR2892458B1/fr
Expired - Fee Related 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
    • F02D15/00—Varying compression ratio
    • F02D15/02—Varying compression ratio by alteration or displacement of piston stroke
    • 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
    • F02D35/023—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining the cylinder pressure
    • 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
    • F02D41/2487—Methods for rewriting
    • F02D41/249—Methods for preventing the loss of data
    • 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
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/141—Introducing closed-loop corrections characterised by the control or regulation method using a feed-forward control element

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
FR0510889A 2005-10-25 2005-10-25 Moteur a combustion interne a taux de compression variable Expired - Fee Related FR2892458B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0510889A FR2892458B1 (fr) 2005-10-25 2005-10-25 Moteur a combustion interne a taux de compression variable
PCT/FR2006/050984 WO2007048949A1 (fr) 2005-10-25 2006-10-03 Moteur a combustion interne a taux de compression variable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0510889A FR2892458B1 (fr) 2005-10-25 2005-10-25 Moteur a combustion interne a taux de compression variable

Publications (2)

Publication Number Publication Date
FR2892458A1 FR2892458A1 (fr) 2007-04-27
FR2892458B1 true FR2892458B1 (fr) 2008-01-04

Family

ID=36607377

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0510889A Expired - Fee Related FR2892458B1 (fr) 2005-10-25 2005-10-25 Moteur a combustion interne a taux de compression variable

Country Status (2)

Country Link
FR (1) FR2892458B1 (fr)
WO (1) WO2007048949A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6435030A (en) * 1987-07-30 1989-02-06 Fuji Heavy Ind Ltd Variable compression ratio engine
JPH0772515B2 (ja) * 1987-07-30 1995-08-02 トヨタ自動車株式会社 可変圧縮比内燃機関の制御装置
DE10261446A1 (de) * 2002-12-31 2004-07-08 Robert Bosch Gmbh Verfahren zum Ansteuern eines Druckregelventils in einem Kraftstoffeinspritzsystem einer Brennkraftmaschine
DE10319666A1 (de) * 2003-05-02 2004-11-18 Robert Bosch Gmbh Verfahren und Vorrichtung zur Einstellung einer variablen Verdichtung bei einem Verbrennungsmotor
JP4375534B2 (ja) * 2003-08-26 2009-12-02 株式会社デンソー 内燃機関の燃圧検出装置
JP4111123B2 (ja) * 2003-11-05 2008-07-02 株式会社デンソー コモンレール式燃料噴射装置
US6871617B1 (en) * 2004-01-09 2005-03-29 Ford Global Technologies, Llc Method of correcting valve timing in engine having electromechanical valve actuation

Also Published As

Publication number Publication date
FR2892458A1 (fr) 2007-04-27
WO2007048949A1 (fr) 2007-05-03

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20090630