FR2568626B1 - METHOD AND DEVICE FOR MECANO-HYDRAULIC VALVE CONTROL FOR INTERNAL COMBUSTION ENGINES - Google Patents

METHOD AND DEVICE FOR MECANO-HYDRAULIC VALVE CONTROL FOR INTERNAL COMBUSTION ENGINES

Info

Publication number
FR2568626B1
FR2568626B1 FR8412118A FR8412118A FR2568626B1 FR 2568626 B1 FR2568626 B1 FR 2568626B1 FR 8412118 A FR8412118 A FR 8412118A FR 8412118 A FR8412118 A FR 8412118A FR 2568626 B1 FR2568626 B1 FR 2568626B1
Authority
FR
France
Prior art keywords
mecano
internal combustion
valve control
combustion engines
hydraulic 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
Application number
FR8412118A
Other languages
French (fr)
Other versions
FR2568626A1 (en
Inventor
Jean-Jacques Schmit
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
Regie Nationale des Usines Renault
Original Assignee
Renault SAS
Regie Nationale des Usines Renault
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, Regie Nationale des Usines Renault filed Critical Renault SAS
Priority to FR8412118A priority Critical patent/FR2568626B1/en
Publication of FR2568626A1 publication Critical patent/FR2568626A1/en
Application granted granted Critical
Publication of FR2568626B1 publication Critical patent/FR2568626B1/en
Expired 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
    • F01L13/0031—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 tappet or pushrod length
    • 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
    • F01L7/00—Rotary or oscillatory slide valve-gear or valve arrangements
    • F01L7/06—Rotary or oscillatory slide valve-gear or valve arrangements with disc type valves
    • 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
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
    • 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
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
    • F01L9/11—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column
    • F01L9/12—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem
    • F01L9/14—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem the volume of the chamber being variable, e.g. for varying the lift or the timing of a valve
FR8412118A 1984-07-31 1984-07-31 METHOD AND DEVICE FOR MECANO-HYDRAULIC VALVE CONTROL FOR INTERNAL COMBUSTION ENGINES Expired FR2568626B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8412118A FR2568626B1 (en) 1984-07-31 1984-07-31 METHOD AND DEVICE FOR MECANO-HYDRAULIC VALVE CONTROL FOR INTERNAL COMBUSTION ENGINES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8412118A FR2568626B1 (en) 1984-07-31 1984-07-31 METHOD AND DEVICE FOR MECANO-HYDRAULIC VALVE CONTROL FOR INTERNAL COMBUSTION ENGINES

Publications (2)

Publication Number Publication Date
FR2568626A1 FR2568626A1 (en) 1986-02-07
FR2568626B1 true FR2568626B1 (en) 1987-02-13

Family

ID=9306658

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8412118A Expired FR2568626B1 (en) 1984-07-31 1984-07-31 METHOD AND DEVICE FOR MECANO-HYDRAULIC VALVE CONTROL FOR INTERNAL COMBUSTION ENGINES

Country Status (1)

Country Link
FR (1) FR2568626B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2758857A1 (en) * 1997-01-27 1998-07-31 Aisin Seiki IC engine valve actuating mechanism

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1361109A (en) * 1918-03-16 1920-12-07 Gregory J Spohrer Internal-combustion engine
US2090877A (en) * 1935-11-27 1937-08-24 Small Lester Charles Hydraulic valve gear operation for internal combustion engines
FR1459833A (en) * 1965-07-19 1966-06-17 Hispano Suiza Sa Improvements made to internal combustion valve engines, particularly diesel engines of this type
DE2426124A1 (en) * 1974-05-29 1976-04-29 Romans Jose Estiu Valve operating system in four stroke ic engine - uses hydraulic pump and motor arrangement

Also Published As

Publication number Publication date
FR2568626A1 (en) 1986-02-07

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Legal Events

Date Code Title Description
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