EP1389266B1 - Mecanisme de distribution a soupapes pour un moteur a combustion interne - Google Patents

Mecanisme de distribution a soupapes pour un moteur a combustion interne Download PDF

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Publication number
EP1389266B1
EP1389266B1 EP02732620A EP02732620A EP1389266B1 EP 1389266 B1 EP1389266 B1 EP 1389266B1 EP 02732620 A EP02732620 A EP 02732620A EP 02732620 A EP02732620 A EP 02732620A EP 1389266 B1 EP1389266 B1 EP 1389266B1
Authority
EP
European Patent Office
Prior art keywords
valve
stroke
piston
cylinder head
tool
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 - Lifetime
Application number
EP02732620A
Other languages
German (de)
English (en)
Other versions
EP1389266A1 (fr
Inventor
Adolf Fischer
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP1389266A1 publication Critical patent/EP1389266A1/fr
Application granted granted Critical
Publication of EP1389266B1 publication Critical patent/EP1389266B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015Modifications 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
    • F01L13/0063Modifications 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/20Adjusting or compensating clearance
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/20Adjusting or compensating clearance
    • F01L1/22Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • F01L1/2405Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device located between the cylinder head and rocker arm
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/46Component parts, details, or accessories, not provided for in preceding subgroups
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015Modifications 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
    • F01L13/0021Modifications 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015Modifications 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
    • F01L13/0063Modifications 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
    • F01L2013/0068Modifications 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 with an oscillating cam acting on the valve of the "BMW-Valvetronic" type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2303/00Manufacturing of components used in valve arrangements
    • F01L2303/01Tools for producing, mounting or adjusting, e.g. some part of the distribution
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/18Mechanical movements
    • Y10T74/18056Rotary to or from reciprocating or oscillating
    • Y10T74/1828Cam, lever, and slide
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/21Elements
    • Y10T74/2101Cams
    • Y10T74/2107Follower

Definitions

  • the invention relates to a method for measuring and / or adjusting a valve train device for an internal combustion engine, which comprises a camshaft in a separate cylinder head of the internal combustion engine for the stroke control of a gas exchange valve by means of an intermediate finger lever, in the cylinder head on a reciprocating piston of a hydraulic valve clearance compensation element is mounted.
  • valve train devices with variable-displacement gas exchange valves
  • the valve clearance compensation elements are to be supplied with pressure oil via the associated lines in the separate cylinder head for play-free surface closure of all relevant contact surfaces in the valve train.
  • the JP-A-5 9218316 discloses a valve drive device for an internal combustion engine, which comprises a camshaft in a separate cylinder head of the internal combustion engine for stroke control of a gas exchange valve by means of an intermediate finger lever, which is mounted in the cylinder head on a liftable piston of a hydraulic valve clearance compensation element, wherein the piston Device has to attack a tool for a mechanical lifting operation for play-free surface closure of contact surfaces of the finger lever and a further valve train element at hydraulically pressure-free valve clearance compensation element.
  • a valve drive device for an internal combustion engine which comprises a camshaft in a separate cylinder head of the internal combustion engine for the stroke control of a gas exchange valve by means of an intermediate finger lever which is mounted on the cylinder head on a support.
  • a disadvantage of the prior art is for a measurement of the valve train at the end of the valve train assembly of a mass produced cylinder head the handling of the amount of oil present in a cylinder head, which is to be applied completely for a clean further work on the cylinder head.
  • the invention has for its object to show for measuring and / or adjustment of a generic valve train device supported on a hydraulic valve play compensation element drag lever a method that allows a perfect, backlash-free surface closure between contact surfaces cooperating actuators of a gas exchange valve without hydraulic pressurization of the valve lash adjusters.
  • the advantage of the invention is that with the inventive method for measuring and adjusting the valve train device the cylinder head no pressure oil must be supplied, the measurement and adjustment is done in a sense with a dry cylinder head. In the case of a standard measurement and adjustment thus eliminating a separate pressure oil system. It is also advantageous that the cylinder head is supplied to the other processing stations of the series oil-free.
  • the tool can engage a joint ball provided on the piston for the finger follower in the transition region to a cylindrical portion of the piston.
  • the piston is equipped with a separate means for positive and / or non-positive connection with the tool.
  • the piston of a partially filled with oil deliverable valve clearance compensation element between a guide portion and a rocker arm condyle an outer circumferential groove for engagement of a tool with fork-like end portion. This arrangement is advantageous for a low profile valve lash adjuster.
  • the piston is actuated in the stroke direction by a translationally or rotationally or pivotally acting tool, wherein the respective tool is subjected to force to maintain the surface closure between the valve drive side contact surfaces.
  • the inventively designed piston of a hydraulic valve clearance compensation element - HVA - finds in a further embodiment of the invention preferably use for a variable displacement gas valve adjustable, with a roller equipped with a rocker arm with a Leerhubkurve and a lift curve comprehensive control of a against the action of a return spring of the Camshaft actuated pivot lever cooperates, the respective stroke variation corresponding pivot output position is controlled / regulated adjustable.
  • a valve train device with variable displacement gas exchange valve is, for example, in the DE 199 13 742 A1 shown and described.
  • a valve train device 1 for an internal combustion engine comprises in a separate cylinder head 2 a camshaft 3 for the stroke control of a gas exchange valve 4 by means of an interposed cam follower 5, which is mounted in the cylinder head 2 on a liftable piston 6 of a hydraulic valve clearance compensation element - HVA - 7 ,
  • the piston 6 of the HVA 7 has means 8 for attacking a tool 9 for a mechanical lifting operation for backlash-free surface contact surfaces 10, 11 of the finger lever 5 and another valve drive element 12 at hydraulic depressurized valve clearance compensation element or HVA 7.
  • the piston 6 of the HVA 7 is equipped with a separate device 8 for positive and / or non-positive connection with the tool 9.
  • a translationally acting according to arrow A tool 9 may be provided or else a rotatably or pivotally acting tool.
  • the respective tool 9 is subjected to a force by means of a tension spring 16.
  • valve drive device 1 comprises a variably variable gas exchange valve 4, wherein a equipped with a roller 17 rocker arm 5 cooperates with a Leerhubkurve 11 and lift curve 18 comprehensive control path 19 of an actuated against the action of a return spring 20 of the camshaft 3 pivot lever 21, the respective stroke variation corresponding pivot output position by means of a control device 25 is controlled / regulated adjustable.
  • the documentation of the valve strokes takes place only after a predetermined running time of the valve train device 1.
  • the drag lever is exchanged for this gas exchange valve with another classified drag lever 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Claims (5)

  1. Procédé de mesure et/ou d'ajustage d'un dispositif de distribution à soupape d'un moteur à combustion interne,
    - logé dans une culasse (2) particulière du moteur à combustion interne et ayant un arbre à cames (3) pour commander la course d'une soupape d'échange de gaz (4) par l'intermédiaire d'un basculeur (5) venant d'une part sur un piston (6) mobile en translation d'un compensateur hydraulique de jeu de soupape (HVA, 7) et d'autre part sur la soupape d'échange de gaz (4),
    - le piston (6) ayant une installation (8) pour réaliser une liaison par la forme et/ou par la force pour la prise d'un outil (9) permettant l'actionnement mécanique de la course pour réaliser un ajustage sans jeu des surfaces de contact (10, 11) du basculeur (5) et d'un autre élément d'entraînement de soupape (12),
    caractérisé en ce qu'
    on positionne la culasse particulière (2) dans un dispositif (22) sans branchement de pression pour le compensateur de jeu de soupape (7) et on bloque, et
    on actionne mécaniquement la course du piston (6) du compensateur hydraulique de jeu de soupape (7) pour mesurer et/ou ajuster le dispositif distributeur à soupape à l'aide de l'outil (9).
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    le piston (6) comporte un compensateur de jeu de soupape (7) fourni en étant rempli partiellement avec de l'huile, entre un segment de guidage (13) et la tête d'articulation (14) pour le basculeur comme installation particulière (8) ayant une rainure périphérique extérieure (15) pour la prise de l'extrémité en forme de fourche (9') d'un outil (9).
  3. Procédé selon la revendication 1 ou 2,
    caractérisé en ce qu'
    - on actionne le piston (6) dans la direction de la course à l'aide d'un outil (9) agissant en translation (flèche A) ou en rotation ou en pivotement, et
    - pour maintenir le contact entre les surfaces de contact (10, 11) côté entraînement de soupape, l'outil (9) respectif est sollicité par une force (ressort de traction 16).
  4. Procédé selon les revendications 1 à 3,
    caractérisé en ce qu'
    - on l'utilise pour une soupape d'échange de gaz (4), réglable, de course variable, et
    - un basculeur (5) muni d'un galet (17) coopère avec un chemin de commande (19) comportant une courbe de course à vide (11) et une course de soulèvement (18) d'un levier pivotant (21) actionné par l'arbre à cames (3) contre l'action d'un ressort de rappel (20), et
    - la position de sortie de pivotement de ce levier est commandée/réglée en fonction de la variation de course respective.
  5. Procédé selon la revendication 4,
    caractérisé en ce qu'
    on travaille selon les étapes suivantes :
    a) on positionne une culasse (2) particulière dans un dispositif (22) sans branchement d'huile sous pression (en 23) et on bloque (en 24),
    b) on commande mécaniquement la course des pistons (6) de tous les compensateurs (HVA, 7) par des outils (9) appliqués automatiquement pour réaliser le contact surfacique, sans jeu, des surfaces de contact (10, 11) avec une force d'application commandée (ressort de traction 16),
    c) on positionne tous les leviers pivotants (21) du dispositif de distribution à soupape à course variable (1) par une installation de commande (25) commune pour leur point de pivotement, pour avoir une course minimale prédéfinie de toutes les soupapes d'échange de gaz (4),
    d) on couple l'arbre à cames (3) à une installation d'entraînement équipant le dispositif (22) et on entraîne à une vitesse de rotation prédéfinie,
    e) a l'aide de capteurs de course (26) reliés dans le sens de l'entraînement aux soupapes d'échange de gaz (4), en mouvement, on saisit la course des soupapes, et
    f) on affiche sur un écran de contrôle avec une bande de tolérance prédéfinie, et on consigne les informations.
EP02732620A 2001-05-23 2002-04-16 Mecanisme de distribution a soupapes pour un moteur a combustion interne Expired - Lifetime EP1389266B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10125082A DE10125082A1 (de) 2001-05-23 2001-05-23 Ventiltrieb-Vorrichtung für eine Brennkraftmaschine
DE10125082 2001-05-23
PCT/EP2002/004175 WO2002095193A1 (fr) 2001-05-23 2002-04-16 Mecanisme de distribution a soupapes pour un moteur a combustion interne

Publications (2)

Publication Number Publication Date
EP1389266A1 EP1389266A1 (fr) 2004-02-18
EP1389266B1 true EP1389266B1 (fr) 2009-03-18

Family

ID=7685822

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02732620A Expired - Lifetime EP1389266B1 (fr) 2001-05-23 2002-04-16 Mecanisme de distribution a soupapes pour un moteur a combustion interne

Country Status (7)

Country Link
US (1) US6959674B2 (fr)
EP (1) EP1389266B1 (fr)
JP (1) JP3981637B2 (fr)
AT (1) ATE426086T1 (fr)
DE (2) DE10125082A1 (fr)
ES (1) ES2320634T3 (fr)
WO (1) WO2002095193A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016015443A1 (de) 2016-12-23 2018-06-28 Dr. Ing. H.C. F. Porsche Ag Verfahren zur Einstellung des Ventilspiels an einer Brennkraftmaschine

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10260557A1 (de) 2002-12-21 2004-07-01 Ina-Schaeffler Kg Zwischenhebel für einen variablen Ventiltrieb einer Brennkraftmaschine
DE10303128A1 (de) * 2003-01-28 2004-07-29 Fev Motorentechnik Gmbh Vollvariabler mechanischer Ventiltrieb für eine Kolbenbrennkraftmaschine mit justierbarem Ventilspielausgleich
DE10304991A1 (de) * 2003-02-07 2004-08-19 Ina-Schaeffler Kg Verstellmittel in einem variablen Ventiltrieb einer Brennkraftmaschine
JP4507997B2 (ja) * 2005-06-15 2010-07-21 三菱自動車工業株式会社 内燃機関の可変動弁装置
CN101336305A (zh) * 2006-01-26 2008-12-31 乔瓦尼·阿尔维迪 适宜于抗氧化表面涂层的钢带材的生产方法
JP4586768B2 (ja) 2006-05-29 2010-11-24 トヨタ自動車株式会社 内燃機関の動弁装置
DE602007003789D1 (de) 2006-09-25 2010-01-28 Honda Motor Co Ltd Verbrennungsmotor mit variabler Ventilhebung
JP2008190441A (ja) 2007-02-06 2008-08-21 Honda Motor Co Ltd 可変動弁機構におけるリフト量調整装置
US9217382B2 (en) * 2012-03-13 2015-12-22 Ford Global Technologies, Llc Method and system for engine air control

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DE2247327C3 (de) * 1972-09-27 1975-06-12 Daimler-Benz Ag, 7000 Stuttgart Verfahren und Vorrichtung zum Messen des Ventilspiels bei Brennkraftmaschinen
JPS5941614A (ja) * 1982-08-31 1984-03-07 Honda Motor Co Ltd 油圧式タペツト調整機関用バルブタイミング測定装置
JPS59218316A (ja) * 1983-05-26 1984-12-08 Honda Motor Co Ltd 内燃機関の動弁機構
DE4208335A1 (de) * 1992-03-16 1993-09-23 Kloeckner Humboldt Deutz Ag Verfahren und vorrichtung zum einstellen des ventilspieles
JPH07103854A (ja) * 1993-10-05 1995-04-21 Mitsubishi Motors Corp エンジンの動弁系バルブ機構の検査装置
US5695430A (en) * 1994-09-21 1997-12-09 Moyer; David F. Hybrid internal combustion engine
JP3831104B2 (ja) * 1997-05-13 2006-10-11 株式会社日立製作所 吸排気弁の電磁駆動装置
DE19913742A1 (de) 1999-03-26 2000-09-28 Bayerische Motoren Werke Ag Vorrichtung zur Hubverstellung eines Gaswechselventils im Zylinderkopf einer Brennkraftmaschine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016015443A1 (de) 2016-12-23 2018-06-28 Dr. Ing. H.C. F. Porsche Ag Verfahren zur Einstellung des Ventilspiels an einer Brennkraftmaschine
DE102016015443B4 (de) 2016-12-23 2018-10-25 Dr. Ing. H.C. F. Porsche Ag Verfahren zur Einstellung des Ventilspiels an einer Brennkraftmaschine

Also Published As

Publication number Publication date
US6959674B2 (en) 2005-11-01
ATE426086T1 (de) 2009-04-15
JP2004521235A (ja) 2004-07-15
US20040168661A1 (en) 2004-09-02
ES2320634T3 (es) 2009-05-27
DE50213367D1 (de) 2009-04-30
WO2002095193A1 (fr) 2002-11-28
DE10125082A1 (de) 2002-11-28
JP3981637B2 (ja) 2007-09-26
EP1389266A1 (fr) 2004-02-18

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