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FR2877991B1 - Dispositif ameliore de commande de soupape de moteur a combustion interne, a levee variable - Google Patents

Dispositif ameliore de commande de soupape de moteur a combustion interne, a levee variable

Info

Publication number
FR2877991B1
FR2877991B1 FR0412134A FR0412134A FR2877991B1 FR 2877991 B1 FR2877991 B1 FR 2877991B1 FR 0412134 A FR0412134 A FR 0412134A FR 0412134 A FR0412134 A FR 0412134A FR 2877991 B1 FR2877991 B1 FR 2877991B1
Authority
FR
France
Prior art keywords
control device
combustion engine
internal combustion
valve control
engine valve
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
FR0412134A
Other languages
English (en)
Other versions
FR2877991A1 (fr
Inventor
Jean Pierre Rivere
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 SA
Original Assignee
Renault SA
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 SA filed Critical Renault SA
Priority to FR0412134A priority Critical patent/FR2877991B1/fr
Publication of FR2877991A1 publication Critical patent/FR2877991A1/fr
Application granted granted Critical
Publication of FR2877991B1 publication Critical patent/FR2877991B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0021—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of rocker arm ratio
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0063—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
FR0412134A 2004-11-16 2004-11-16 Dispositif ameliore de commande de soupape de moteur a combustion interne, a levee variable Expired - Fee Related FR2877991B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0412134A FR2877991B1 (fr) 2004-11-16 2004-11-16 Dispositif ameliore de commande de soupape de moteur a combustion interne, a levee variable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0412134A FR2877991B1 (fr) 2004-11-16 2004-11-16 Dispositif ameliore de commande de soupape de moteur a combustion interne, a levee variable

Publications (2)

Publication Number Publication Date
FR2877991A1 FR2877991A1 (fr) 2006-05-19
FR2877991B1 true FR2877991B1 (fr) 2007-03-30

Family

ID=34951247

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0412134A Expired - Fee Related FR2877991B1 (fr) 2004-11-16 2004-11-16 Dispositif ameliore de commande de soupape de moteur a combustion interne, a levee variable

Country Status (1)

Country Link
FR (1) FR2877991B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1299673A (en) * 1969-02-13 1972-12-13 Fiat Spa Improvements relating to valve actuating mechanisms for internal combustion engines
JPS61112709A (ja) * 1984-11-07 1986-05-30 Nissan Motor Co Ltd 内燃機関の吸・排気弁リフト制御装置
FR2849465B1 (fr) 2002-12-27 2006-11-03 Renault Sa Dispositif de commande de soupape de moteur a combustion interne, a levee variable

Also Published As

Publication number Publication date
FR2877991A1 (fr) 2006-05-19

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Legal Events

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Year of fee payment: 12

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Year of fee payment: 13

ST Notification of lapse

Effective date: 20180731