FR2480854A1 - Commande de soupapes de moteurs a combustion interne par distributeur hydraulique a faible consommation de puissance - Google Patents

Commande de soupapes de moteurs a combustion interne par distributeur hydraulique a faible consommation de puissance Download PDF

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Publication number
FR2480854A1
FR2480854A1 FR8009001A FR8009001A FR2480854A1 FR 2480854 A1 FR2480854 A1 FR 2480854A1 FR 8009001 A FR8009001 A FR 8009001A FR 8009001 A FR8009001 A FR 8009001A FR 2480854 A1 FR2480854 A1 FR 2480854A1
Authority
FR
France
Prior art keywords
valve
cams
pistons
cam
piston
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.)
Granted
Application number
FR8009001A
Other languages
English (en)
French (fr)
Other versions
FR2480854B1 (enExample
Inventor
Jean-Pierre Riviere
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 FR8009001A priority Critical patent/FR2480854A1/fr
Publication of FR2480854A1 publication Critical patent/FR2480854A1/fr
Application granted granted Critical
Publication of FR2480854B1 publication Critical patent/FR2480854B1/fr
Granted legal-status Critical Current

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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
    • F01L13/0036—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
    • F01L13/0047—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction the movement of the valves resulting from the sum of the simultaneous actions of at least two cams, the cams being independently variable in phase in respect of each other
    • 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/024—Belt drive
    • 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
    • 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • F01L1/053—Camshafts overhead type
    • F01L2001/0537—Double overhead camshafts [DOHC]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
FR8009001A 1980-04-22 1980-04-22 Commande de soupapes de moteurs a combustion interne par distributeur hydraulique a faible consommation de puissance Granted FR2480854A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8009001A FR2480854A1 (fr) 1980-04-22 1980-04-22 Commande de soupapes de moteurs a combustion interne par distributeur hydraulique a faible consommation de puissance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8009001A FR2480854A1 (fr) 1980-04-22 1980-04-22 Commande de soupapes de moteurs a combustion interne par distributeur hydraulique a faible consommation de puissance

Publications (2)

Publication Number Publication Date
FR2480854A1 true FR2480854A1 (fr) 1981-10-23
FR2480854B1 FR2480854B1 (enExample) 1984-05-25

Family

ID=9241212

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8009001A Granted FR2480854A1 (fr) 1980-04-22 1980-04-22 Commande de soupapes de moteurs a combustion interne par distributeur hydraulique a faible consommation de puissance

Country Status (1)

Country Link
FR (1) FR2480854A1 (enExample)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3536919A1 (de) * 1985-10-17 1987-04-23 Bayerische Motoren Werke Ag Vorrichtung zur aenderung der relativen drehlage eines getriebenen zu einem treibenden maschinenteil, insbes. einer steuerwelle gegenueber einer kurbelwelle einer brennkraftmaschine
EP0399991A1 (de) * 1989-05-24 1990-11-28 AVL Gesellschaft für Verbrennungskraftmaschinen und Messtechnik mbH.Prof.Dr.Dr.h.c. Hans List Verfahren und Vorrichtung zur Steuerung des Hubes eines hydraulisch betätigbaren Ventiles
NL1013811C2 (nl) * 1999-12-09 2000-11-28 Prometheus Engineering B V Hydraulisch klepbedieningsmechanisme.
US6338320B1 (en) * 1998-09-09 2002-01-15 International Truck & Engine Corporation Hydraulically-assisted engine valve actuator
EP1128029A3 (de) * 2000-02-12 2002-11-13 Adam Opel Ag Variable Ventilsteuerung für Hubkolben-Brennkraftmaschinen
EP1375843A1 (de) * 2002-06-28 2004-01-02 AVL List GmbH Brennkraftmaschine mit innerer Verbrennung
DE102012214645A1 (de) * 2012-08-17 2014-02-20 Mahle International Gmbh Brennkraftmaschine mit zwei gegenläufigen Nockenwellen

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR432425A (fr) * 1911-07-21 1911-12-06 Bachrich Et Cie Soc Système de commande d'organes à distance au moyen d'agents liquides
FR471102A (fr) * 1913-10-02 1914-10-15 Ettore Bugatti Commande hydraulique de moteur avec piston de réglage formant compensateur
GB313231A (en) * 1928-03-21 1929-06-13 Thomas Henry Wintringham Improvements in driving gear for use with internal combustion engines
FR2436255A1 (fr) * 1978-09-16 1980-04-11 Maschf Augsburg Nuernberg Ag Dispositif hydraulique pour la commande de soupapes controlant le passage de gaz

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR432425A (fr) * 1911-07-21 1911-12-06 Bachrich Et Cie Soc Système de commande d'organes à distance au moyen d'agents liquides
FR471102A (fr) * 1913-10-02 1914-10-15 Ettore Bugatti Commande hydraulique de moteur avec piston de réglage formant compensateur
GB313231A (en) * 1928-03-21 1929-06-13 Thomas Henry Wintringham Improvements in driving gear for use with internal combustion engines
FR2436255A1 (fr) * 1978-09-16 1980-04-11 Maschf Augsburg Nuernberg Ag Dispositif hydraulique pour la commande de soupapes controlant le passage de gaz

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3536919A1 (de) * 1985-10-17 1987-04-23 Bayerische Motoren Werke Ag Vorrichtung zur aenderung der relativen drehlage eines getriebenen zu einem treibenden maschinenteil, insbes. einer steuerwelle gegenueber einer kurbelwelle einer brennkraftmaschine
EP0399991A1 (de) * 1989-05-24 1990-11-28 AVL Gesellschaft für Verbrennungskraftmaschinen und Messtechnik mbH.Prof.Dr.Dr.h.c. Hans List Verfahren und Vorrichtung zur Steuerung des Hubes eines hydraulisch betätigbaren Ventiles
US6338320B1 (en) * 1998-09-09 2002-01-15 International Truck & Engine Corporation Hydraulically-assisted engine valve actuator
NL1013811C2 (nl) * 1999-12-09 2000-11-28 Prometheus Engineering B V Hydraulisch klepbedieningsmechanisme.
WO2001021939A2 (en) 1999-12-09 2001-03-29 Prometheus Engineering B.V. Hydraulic valve-operating mechanism
WO2001021939A3 (en) * 1999-12-09 2001-10-25 Prometheus Engineering B V Hydraulic valve-operating mechanism
US6595170B2 (en) 1999-12-09 2003-07-22 Prometheus Engineering B.V. Hydraulic valve-operating mechanism
EP1128029A3 (de) * 2000-02-12 2002-11-13 Adam Opel Ag Variable Ventilsteuerung für Hubkolben-Brennkraftmaschinen
EP1375843A1 (de) * 2002-06-28 2004-01-02 AVL List GmbH Brennkraftmaschine mit innerer Verbrennung
DE102012214645A1 (de) * 2012-08-17 2014-02-20 Mahle International Gmbh Brennkraftmaschine mit zwei gegenläufigen Nockenwellen

Also Published As

Publication number Publication date
FR2480854B1 (enExample) 1984-05-25

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