EP1255027A1 - Contrôle mécanique de la levée variable d'une soupape d'admission d'un moteur à combustion interne - Google Patents

Contrôle mécanique de la levée variable d'une soupape d'admission d'un moteur à combustion interne Download PDF

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Publication number
EP1255027A1
EP1255027A1 EP01110782A EP01110782A EP1255027A1 EP 1255027 A1 EP1255027 A1 EP 1255027A1 EP 01110782 A EP01110782 A EP 01110782A EP 01110782 A EP01110782 A EP 01110782A EP 1255027 A1 EP1255027 A1 EP 1255027A1
Authority
EP
European Patent Office
Prior art keywords
valve
internal combustion
combustion engine
lifting lever
lifting
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
EP01110782A
Other languages
German (de)
English (en)
Other versions
EP1255027B1 (fr
Inventor
Bernhard Morrn
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.)
STS System Tech Services GmbH
Original Assignee
STS System Tech Services GmbH
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 STS System Tech Services GmbH filed Critical STS System Tech Services GmbH
Priority to DE50103100T priority Critical patent/DE50103100D1/de
Priority to AT01110782T priority patent/ATE272787T1/de
Priority to ES01110782T priority patent/ES2185519T3/es
Priority to EP01110782A priority patent/EP1255027B1/fr
Priority to US10/137,971 priority patent/US6792903B2/en
Publication of EP1255027A1 publication Critical patent/EP1255027A1/fr
Application granted granted Critical
Publication of EP1255027B1 publication Critical patent/EP1255027B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F01L13/0021—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
    • 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
    • F01L2013/0068—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 with an oscillating cam acting on the valve of the "BMW-Valvetronic" type
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18056—Rotary to or from reciprocating or oscillating
    • Y10T74/1828—Cam, lever, and slide

Definitions

  • the present invention relates to a mechanically controllable valve lift adjustment.
  • the present invention further relates to an internal combustion engine with a mechanical adjustable valve stroke adjustment and a method for regulating the valve strokes in internal combustion engines.
  • a vacuum occurs when the load changes from full to partial load in the intake system, through which more fuel than is required in the cylinders is sucked. This increases the fuel consumption of the internal combustion engine, and unburned fuel may leak into the environment.
  • the object is therefore to provide a device with which the fuel consumption of an internal combustion engine can be reduced.
  • valve lift adjustment according to the invention additionally a roller rocker arm, which on the one hand matches the working curve of the Lever cooperates and is driven by this and on the other hand with the valve cooperates and moves it.
  • the valve lift adjustment has a means with which the lift lever is rotatable and slidably mounted in a backdrop. This is preferably Means a role.
  • the backdrop takes up the means and thus represents its leadership, within which the means and with it the lifting lever moves under pressure and / or tension.
  • the backdrop can have any shape that is chosen by the person skilled in the art that the lifting lever preferably along a certain straight line and / or curve is movable.
  • the backdrop preferably has a substantially rectangular shape, whereby the short sides of the rectangle are preferably designed in the form of a semicircle are. This shape of the backdrop is particularly suitable for holding roles.
  • This backdrop can be horizontal or vertical or at any angle Be arranged horizontally or vertically.
  • the internal combustion engine has at least two cylinders, wherein at least one lifting lever is assigned to each cylinder. These are lifting levers through a driven bar located in the housing of the internal combustion engine Slidably mounted is changed in position to increase the stroke of the cylinder adjust.
  • the bar is preferably forward and along a straight line moved back.
  • a cylinder two intake valves and accordingly two lifting levers.
  • These two lifting levers can according to the invention either with a driven bar or with two driven strips are moved, in the latter case one each Lifting lever is moved by a bar.
  • the latter embodiment has the Advantage that the lifting lever and thus the valves are adjusted independently of each other can be, making the control of the internal combustion engine even more variable can be done. In extreme cases, a so-called 0-stroke is implemented for a valve, while the other valve is fully opened.
  • the bar can be driven in any manner familiar to the person skilled in the art.
  • the drive is hydraulic or pneumatic, with a electric solenoid, with an electric motor, preferably a gear has or with a piezomotor.
  • the means that cooperate with the camshaft is a roller.
  • valve control according to the invention is suitable for valves of any kind.
  • the valves are valves of internal combustion engines, particularly preferred Intake valves for internal combustion engines.
  • Another object of the present invention therefore relates to an internal combustion engine, which has at least one valve control according to the invention.
  • Another object of the present invention is a method for control of the stroke of an intake valve of an internal combustion engine using the Valve control according to the invention, in which at least two lifting levers with one driven bar according to the performance requirement of the Internal combustion engine to be moved in the backdrop.
  • the lifting lever is moved in this way and for a certain time Position held that the valve or the roller rocker arm with part of the Working curve of the lifting lever is in contact, which reduces the stroke of the valve causes.
  • the lifting lever At full load, the lifting lever is moved in this way and for a certain time Position held that the valve or the roller rocker arm with part of the Working curve of the lifting lever is in contact with the maximum stroke of the valve causes.
  • the present invention has the advantage that the valve lift depending on the performance requirement can be increased or decreased.
  • Valve stroke adjustment reduces the gas exchange work in Otto engines and it This results in fuel savings of up to 10% compared to valve control according to the state of the art.
  • the mechanical control is much easier and thus cheaper to produce than z.
  • the valve control according to the invention is very robust and not maintenance-prone. By using a bar that holds the lift levers in place moves, far fewer components are required than in the prior art.
  • Figure 1a shows the valve control according to the invention for a two-valve cylinder.
  • Figure 1b shows an embodiment of the mounting of the lifting lever in a four-valve cylinder.
  • Figure 2 shows a further embodiment of the mounting of the lifting lever in a four-valve cylinder.
  • Figure 3 shows a parallelogram for the drive of the bar.
  • Figure 4 shows two actuators for driving the bar
  • Figure 5 shows two actuators for driving the bar with a power balance 32
  • FIG. 1a the valve control according to the invention for a two-valve engine (an intake and an exhaust valve) is shown.
  • a lifting lever 4 is slidably and rotatably mounted with the roller 30 in a link 5.
  • the lifting lever is moved by the bar 8 and the return spring 14 in the backdrop.
  • the backdrop 5 and the mounting or guidance of the strip 8 are integrated in a cover 11 of the engine, which is mounted precisely aligned on the cylinder head 13 or an intermediate carrier 12.
  • the person skilled in the art understands that the lifting lever 4 can also be held in a specific position within the setting by the strip 8 and the return spring 14.
  • the strip 8 extends perpendicular to the plane of the paper along all of the cylinders or their intake valve which are arranged in a row in the engine.
  • the position of the bar 8 is detected by a displacement sensor (not shown) or, for example, by the revolutions of an electric motor that drives the bar and transmitted to an electronic control unit as the actual value.
  • This control unit controls the desired position of the intake valve based on a setpoint / actual value comparison.
  • the lifting lever 4 has a further roller 31, which is connected to the camshaft 28 cooperates and drives the lifting lever 4.
  • the lifting lever 4 has a working curve 6. This work curve is in contact with the roller 7, which is attached to the roller rocker arm 1. The Roller rocker arm 1 in turn moves the valve 3 (partially shown).
  • the left part of the work curve is a circle around the center of the role Roll 30. This ensures a zero stroke in the position shown.
  • the transition from the left (zero stroke range) to the right (stroke range) of the working curve defines the acceleration ramp of the intake valve movement.
  • the acceleration ramp of the camshaft 28 now only serves to accelerate the lifting lever 4 and no longer acts on the valve acceleration.
  • Figure 1b shows the detail of a four-valve engine (two intake and two exhaust valves).
  • the engine has two intake valves per cylinder, the stroke behavior of which is regulated independently of one another by the two lift levers 4a, 4b, only the lift lever 4a being shown.
  • the strip 8 can be divided into two, which is represented by the strips 15, 16.
  • the strips 15, 16 are driven independently of one another.
  • the valve strokes of the two intake valves can be controlled independently of each other.
  • an inlet valve can be set to the 0 stroke and only the valve stroke of the other valve can be used for torque control.
  • the position of the respective bar 15, 16 is detected and used for control.
  • the strips 15, 16 also extend over all cylinders which are arranged in a row or their valves, the stroke of which changes the respective strip.
  • Figure 2 shows a further embodiment of the mounting of the lifting levers 4a, 4b in a four-valve cylinder.
  • the two lifting levers 4a, 4b are rotatably mounted on a common axis 17.
  • the axis 17 in turn is rotatably supported in a roller bearing 18.
  • the roller bearing 18 can be moved along the backdrop 5 by the bar 8.
  • the bar 8 is not divided into two.
  • the axis 17 can also extend over all cylinders, so that all lifting levers on are lined up one axis and z. B. by spacers in the valve position being held.
  • Figure 3 shows a possible drive form of the strips 8 or strips 15, 16, which in the present example is a parallelogram formed by the strips 8 and 19 and the two levers 21.
  • the strips 8 and 19 and the levers 21 are rotatably connected to one another in the plane of the paper, with at least two levers being used in a four-cylinder engine and three or more levers 21 in a six-cylinder engine.
  • the bar 19 is mounted so that it can be displaced in both directions along the horizontal, which is indicated by the double arrow 20.
  • the bearings 22, which are located in the cylinder head, can be plain or roller bearings.
  • the strip 8 is guided through the bearings 23 in the cylinder head along a vertical line and its position can be determined by displacement sensors.
  • the bar 19 is adjusted by a motor 24 and a screw thread.
  • the position of the bar 8 and thus the set stroke of the intake valve can be measured by a displacement sensor 25, which detects the position of the bar 19.
  • the position of the strip 8 can also be measured by detecting the engine revolutions.
  • many other means for example a hydraulic system, a lifting magnet, a stepping motor, a mechanically operated lever or a cable pull, are suitable for bringing about the adjustment of the bar 19.
  • the horizontal movement 20 of the bar 19 is supported by the springs 24 and 25.
  • FIG. 4 shows the drive of the bar 8 by at least two actuators 27.
  • actuators 27 can be, for example, lifting magnets, electric motors with or without a gear, piezomotors or mechanical, hydraulic or pneumatic means.
  • FIG. 5 also shows a force balance 32 which interacts with the actuators 27. This arrangement increases the accuracy of the idle valve stroke.

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)
EP01110782A 2001-05-03 2001-05-03 Contrôle mécanique de la levée variable d'une soupape d'admission d'un moteur à combustion interne Expired - Lifetime EP1255027B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE50103100T DE50103100D1 (de) 2001-05-03 2001-05-03 Mechanische Regelung der Hubverstellung des Einlassventils eines Verbrennungsmotors
AT01110782T ATE272787T1 (de) 2001-05-03 2001-05-03 Mechanische regelung der hubverstellung des einlassventils eines verbrennungsmotors
ES01110782T ES2185519T3 (es) 2001-05-03 2001-05-03 Regulacion mecanica de la carrera de la valvula de admision de un motor de combustion.
EP01110782A EP1255027B1 (fr) 2001-05-03 2001-05-03 Contrôle mécanique de la levée variable d'une soupape d'admission d'un moteur à combustion interne
US10/137,971 US6792903B2 (en) 2001-05-03 2002-05-03 Mechanical control of the intake valve lift adjustment in an internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01110782A EP1255027B1 (fr) 2001-05-03 2001-05-03 Contrôle mécanique de la levée variable d'une soupape d'admission d'un moteur à combustion interne

Publications (2)

Publication Number Publication Date
EP1255027A1 true EP1255027A1 (fr) 2002-11-06
EP1255027B1 EP1255027B1 (fr) 2004-08-04

Family

ID=8177309

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01110782A Expired - Lifetime EP1255027B1 (fr) 2001-05-03 2001-05-03 Contrôle mécanique de la levée variable d'une soupape d'admission d'un moteur à combustion interne

Country Status (5)

Country Link
US (1) US6792903B2 (fr)
EP (1) EP1255027B1 (fr)
AT (1) ATE272787T1 (fr)
DE (1) DE50103100D1 (fr)
ES (1) ES2185519T3 (fr)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004001198A1 (fr) 2002-06-20 2003-12-31 Rudolf Flierl Dispositif de reglage du couple pour soupapes d'un moteur a combustion
DE10235403A1 (de) * 2002-08-02 2004-02-12 Bayerische Motoren Werke Ag Schwenkhebel für einen hubvariablen Ventiltrieb
DE10235402A1 (de) * 2002-08-02 2004-02-12 Bayerische Motoren Werke Ag Schwenkhebel für einen hubvariablen Ventiltrieb
DE10235401A1 (de) * 2002-08-02 2004-02-12 Bayerische Motoren Werke Ag Hubvariabler Ventiltrieb
DE10260557A1 (de) * 2002-12-21 2004-07-01 Ina-Schaeffler Kg Zwischenhebel für einen variablen Ventiltrieb einer Brennkraftmaschine
DE10261163A1 (de) * 2002-12-20 2004-07-08 Volkswagen Ag Variabler Ventiltrieb eines Verbrennungsmotors
WO2004065764A2 (fr) * 2003-01-22 2004-08-05 Thyssenkrupp Automotive Ag Dispositif d'actionnement des soupapes de mouvement de gaz dans les moteurs a piston alternatif
DE10304991A1 (de) * 2003-02-07 2004-08-19 Ina-Schaeffler Kg Verstellmittel in einem variablen Ventiltrieb einer Brennkraftmaschine
WO2004085803A1 (fr) * 2003-03-24 2004-10-07 Thyssenkrupp Automotive Ag Dispositif d'actionnement variable des soupapes d'echange des gaz de moteurs a combustion interne
WO2004085804A1 (fr) * 2003-03-24 2004-10-07 Thyssenkrupp Automotive Ag Dispositif de commande variable de soupapes d'echange des gaz pour moteurs a combustion interne et procede de fonctionnement d'un dispositif de ce type
DE10314683A1 (de) * 2003-03-29 2004-11-11 BÖSL-FLIERL, Gerlinde Variable Ventilhubsteuerung für einen Verbrennungsmotor mit untenliegender Nockenwelle
DE102004006187A1 (de) * 2004-02-06 2005-08-25 Volkswagen Ag Ventiltrieb-Vorrichtung zur variablen Hubverstellung eines Gaswechselventils
DE102004006186A1 (de) * 2004-02-06 2005-08-25 Volkswagen Ag Ventiltrieb-Vorrichtung zur variablen Hubverstellung eines Gaswechselventils
DE102004008389A1 (de) * 2004-02-20 2005-09-08 Bayerische Motoren Werke Ag Hubvariabler Ventiltrieb für eine Brennkraftmaschine
EP1619361A1 (fr) * 2003-05-01 2006-01-25 Yamaha Hatsudoki Kabushiki Kaisha Dispositif de deplacement de soupape pour moteur
EP1710402A1 (fr) * 2003-12-18 2006-10-11 Toyota Jidosha Kabushiki Kaisha Mecanisme de distributeur variable
DE102005040959A1 (de) * 2005-08-30 2007-03-08 Bayerische Motoren Werke Ag Hubvariabler Ventiltrieb für eine Brennkraftmaschine
EP1591632A3 (fr) * 2004-04-28 2010-09-08 Honda Motor Co., Ltd. Distribution de moteur à combustion
DE102008057135B4 (de) * 2008-11-13 2020-11-12 Audi Ag Brennkraftmaschine mit einem Rollenschlepphebel aufweisenden Ventiltrieb

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DE10261304B4 (de) 2002-12-27 2009-01-22 BÖSL-FLIERL, Gerlinde Ventilhubvorrichtung zur variablen Ventilsteuerung der Gaswechselventile einer Verbrennungskraftmaschine
EP1961927A3 (fr) * 2003-03-29 2010-01-06 Hydraulik-Ring Gmbh Dispositif de levée variable de soupape pour le réglage de la levée des soupapes d'échange de gaz d'un moteur à combustion interne
EP1496211A1 (fr) * 2003-07-08 2005-01-12 Bayerische Motoren Werke Aktiengesellschaft Culbuteur pour une commande de soupapes à levée variable
CN101858233B (zh) * 2010-04-29 2016-04-20 朱譞晟 包含变速摆机构的全可变气门正时方法和机构
DE102010048708A1 (de) * 2010-10-19 2012-04-19 Kolbenschmidt Pierburg Innovations Gmbh Mechanisch steuerbarer Ventiltrieb
CN102155273A (zh) * 2011-04-08 2011-08-17 奇瑞汽车股份有限公司 一种发动机可变配气机构
DE102013113815A1 (de) * 2013-12-11 2015-06-11 Pierburg Gmbh Übertragungsanordnung für einen mechanisch steuerbaren Ventiltrieb

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US4572118A (en) * 1981-12-31 1986-02-25 Michel Baguena Variable valve timing for four-stroke engines
US5027760A (en) * 1988-01-19 1991-07-02 Franco Storchi Variable timing system for engine valve operating gear
DE4326331A1 (de) * 1992-07-15 1995-02-09 Bayerische Motoren Werke Ag Ventiltrieb einer Brennkraftmaschine
EP0780547A1 (fr) * 1995-12-22 1997-06-25 Siemens Aktiengesellschaft Dispositif permettant de varier la loi de leveé d'une soupape de moteur à combustion interne
DE19708484A1 (de) * 1997-03-03 1998-09-10 Bayerische Motoren Werke Ag Vorrichtung zur Änderung des Ventilhubverlaufes eines Hubventils, insbesondere eines Gaswechselventils von Brennkraftmaschinen
EP1039103A2 (fr) * 1999-03-26 2000-09-27 Bayerische Motoren Werke Aktiengesellschaft Dispositif pour varier la levée de soupape dans une culasse de moteur à combustion interne
EP1096115A1 (fr) * 1999-10-29 2001-05-02 STS System Technology Services GmbH Dispositif de régulation mécanique de la levée de soupape de moteur à combustion interne

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US4572118A (en) * 1981-12-31 1986-02-25 Michel Baguena Variable valve timing for four-stroke engines
US5027760A (en) * 1988-01-19 1991-07-02 Franco Storchi Variable timing system for engine valve operating gear
DE4326331A1 (de) * 1992-07-15 1995-02-09 Bayerische Motoren Werke Ag Ventiltrieb einer Brennkraftmaschine
EP0780547A1 (fr) * 1995-12-22 1997-06-25 Siemens Aktiengesellschaft Dispositif permettant de varier la loi de leveé d'une soupape de moteur à combustion interne
DE19708484A1 (de) * 1997-03-03 1998-09-10 Bayerische Motoren Werke Ag Vorrichtung zur Änderung des Ventilhubverlaufes eines Hubventils, insbesondere eines Gaswechselventils von Brennkraftmaschinen
EP1039103A2 (fr) * 1999-03-26 2000-09-27 Bayerische Motoren Werke Aktiengesellschaft Dispositif pour varier la levée de soupape dans une culasse de moteur à combustion interne
EP1096115A1 (fr) * 1999-10-29 2001-05-02 STS System Technology Services GmbH Dispositif de régulation mécanique de la levée de soupape de moteur à combustion interne

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7418935B2 (en) 2002-06-20 2008-09-02 Hydraulik-Ring Gmbh Stroke adjusting device for valves of a combustion engine
DE10228022A1 (de) * 2002-06-20 2004-01-15 Flierl, Rudolf, Dr. Ventilhubvorrichtung zur Hubverstellung der Gaswechselventile einer Verbrennungskraftmaschine
WO2004001198A1 (fr) 2002-06-20 2003-12-31 Rudolf Flierl Dispositif de reglage du couple pour soupapes d'un moteur a combustion
DE10228022B4 (de) * 2002-06-20 2009-04-23 Entec Consulting Gmbh Ventilhubvorrichtung zur Hubverstellung der Gaswechselventile einer Verbrennungskraftmaschine
DE10235403A1 (de) * 2002-08-02 2004-02-12 Bayerische Motoren Werke Ag Schwenkhebel für einen hubvariablen Ventiltrieb
DE10235402A1 (de) * 2002-08-02 2004-02-12 Bayerische Motoren Werke Ag Schwenkhebel für einen hubvariablen Ventiltrieb
DE10235401A1 (de) * 2002-08-02 2004-02-12 Bayerische Motoren Werke Ag Hubvariabler Ventiltrieb
DE10261163A1 (de) * 2002-12-20 2004-07-08 Volkswagen Ag Variabler Ventiltrieb eines Verbrennungsmotors
DE10260557A1 (de) * 2002-12-21 2004-07-01 Ina-Schaeffler Kg Zwischenhebel für einen variablen Ventiltrieb einer Brennkraftmaschine
US7055478B2 (en) 2002-12-21 2006-06-06 Ina-Schaeffler Kg Intermediate lever for a variable valve train of an internal combustion engine
WO2004065764A3 (fr) * 2003-01-22 2004-09-23 Thyssen Krupp Automotive Ag Dispositif d'actionnement des soupapes de mouvement de gaz dans les moteurs a piston alternatif
WO2004065764A2 (fr) * 2003-01-22 2004-08-05 Thyssenkrupp Automotive Ag Dispositif d'actionnement des soupapes de mouvement de gaz dans les moteurs a piston alternatif
DE10304991A1 (de) * 2003-02-07 2004-08-19 Ina-Schaeffler Kg Verstellmittel in einem variablen Ventiltrieb einer Brennkraftmaschine
WO2004085803A1 (fr) * 2003-03-24 2004-10-07 Thyssenkrupp Automotive Ag Dispositif d'actionnement variable des soupapes d'echange des gaz de moteurs a combustion interne
DE10312959A1 (de) * 2003-03-24 2004-11-18 Thyssenkrupp Automotive Ag Vorrichtung zur variablen Betätigung der Gaswechselventile von Verbrennungsmotoren und Verfahren zum Betreiben einer derartigen Vorrichtung
DE10312959B4 (de) * 2003-03-24 2006-10-05 Thyssenkrupp Automotive Ag Vorrichtung zur variablen Betätigung der Gaswechselventile von Verbrennungsmotoren
WO2004085804A1 (fr) * 2003-03-24 2004-10-07 Thyssenkrupp Automotive Ag Dispositif de commande variable de soupapes d'echange des gaz pour moteurs a combustion interne et procede de fonctionnement d'un dispositif de ce type
JP4733630B2 (ja) * 2003-03-29 2011-07-27 エンテク・コンサルティング・ゲーエムベーハー アンダーニースカムシャフトを持つ燃焼エンジン用可変バルブリフト制御システム
US7712442B2 (en) 2003-03-29 2010-05-11 Entec Consulting Gmbh Variable valve lift control system for a combustion engine with underneath camshaft
DE10314683B4 (de) * 2003-03-29 2009-05-07 Entec Consulting Gmbh Variable Ventilhubsteuerung für einen Verbrennungsmotor mit untenliegender Nockenwelle
DE10314683A1 (de) * 2003-03-29 2004-11-11 BÖSL-FLIERL, Gerlinde Variable Ventilhubsteuerung für einen Verbrennungsmotor mit untenliegender Nockenwelle
JP2006521496A (ja) * 2003-03-29 2006-09-21 ゲルリンデ・ベースル−フリエアル アンダーニースカムシャフトを持つ燃焼エンジン用可変バルブリフト制御システム
EP1619361A4 (fr) * 2003-05-01 2008-11-26 Yamaha Motor Co Ltd Dispositif de deplacement de soupape pour moteur
EP1619361A1 (fr) * 2003-05-01 2006-01-25 Yamaha Hatsudoki Kabushiki Kaisha Dispositif de deplacement de soupape pour moteur
EP1710402A1 (fr) * 2003-12-18 2006-10-11 Toyota Jidosha Kabushiki Kaisha Mecanisme de distributeur variable
EP1710402A4 (fr) * 2003-12-18 2009-11-11 Toyota Motor Co Ltd Mecanisme de distributeur variable
DE102004006186A1 (de) * 2004-02-06 2005-08-25 Volkswagen Ag Ventiltrieb-Vorrichtung zur variablen Hubverstellung eines Gaswechselventils
DE102004006187A1 (de) * 2004-02-06 2005-08-25 Volkswagen Ag Ventiltrieb-Vorrichtung zur variablen Hubverstellung eines Gaswechselventils
DE102004008389A1 (de) * 2004-02-20 2005-09-08 Bayerische Motoren Werke Ag Hubvariabler Ventiltrieb für eine Brennkraftmaschine
EP1591632A3 (fr) * 2004-04-28 2010-09-08 Honda Motor Co., Ltd. Distribution de moteur à combustion
DE102005040959A1 (de) * 2005-08-30 2007-03-08 Bayerische Motoren Werke Ag Hubvariabler Ventiltrieb für eine Brennkraftmaschine
DE102008057135B4 (de) * 2008-11-13 2020-11-12 Audi Ag Brennkraftmaschine mit einem Rollenschlepphebel aufweisenden Ventiltrieb

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Publication number Publication date
ATE272787T1 (de) 2004-08-15
US20020162522A1 (en) 2002-11-07
US6792903B2 (en) 2004-09-21
EP1255027B1 (fr) 2004-08-04
ES2185519T1 (es) 2003-05-01
ES2185519T3 (es) 2005-03-16
DE50103100D1 (de) 2004-09-09

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