EP1084330B1 - Ventilsteuerung für eine brennkraftmaschine - Google Patents
Ventilsteuerung für eine brennkraftmaschine Download PDFInfo
- Publication number
- EP1084330B1 EP1084330B1 EP99924907A EP99924907A EP1084330B1 EP 1084330 B1 EP1084330 B1 EP 1084330B1 EP 99924907 A EP99924907 A EP 99924907A EP 99924907 A EP99924907 A EP 99924907A EP 1084330 B1 EP1084330 B1 EP 1084330B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- control
- camshaft
- thrust
- rocker arm
- 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
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Classifications
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- 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
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- 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
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/14—Tappets; Push rods
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- 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
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
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- 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
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/356—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear making the angular relationship oscillate, e.g. non-homokinetic drive
Definitions
- the invention relates to a preamble of claim 1 Valve control for an internal combustion engine, in which a control cam Camshaft acts on a lift valve via a tilting segment in a tappet, wherein the formed with a contact path acted upon by the control cam Tilt segment over a circular arc section concentric to the camshaft axis of rotation is movably guided in the plunger such that by means of a Control device with each valve stroke on the opening and closing phase of the Lifting valve determining engagement of the contact track with the flanks of the rotating Control cam by the same and / or relative to the direction of rotation of the control cam oppositely controlled swivel movement of the tilting segment is achieved.
- valve control described above is the subject of EP 0 626 035 B1, wherein with the valve control described in this document for an internal combustion engine at lower speeds small valve opening angles with little or small overlap and high valve opening angles at high speeds much overlap of the intake and exhaust valve lift curves to form one high gas dynamics are achieved.
- each is shown and described valve controls combined with a control device, each one in the transverse direction of the internal combustion engine to the side of the respective one Camshaft arranged control shaft includes.
- the control shaft on the respective intermediate elements Transmission elements result in an additional in the cylinder head of the internal combustion engine Space requirement, which is not given for example with a given valve angle or leads to a wider cylinder head.
- the invention has for its object the generic valve control to improve in such a way that these are independent of the available space in a given cylinder head under an unchanged one Cylinder head cover can be arranged.
- Control device one arranged in the valve stroke direction over a machine housing side first sliding swivel joint and another one provided on the tilting segment side Sliding swivel-guided thrust swing arm encircled with one by one control cam-free section of the camshaft with play-through control opening, on the circumference of a controllable element in / on the camshaft engages with this adjusting device, which is also rotated, that eccentrically in the valve stroke direction with the control opening Camshaft axis of rotation adjustable thrust arm with rotating camshaft For each valve stroke, one that controls the tilting segment, periodic swinging movement transverse to the valve stroke direction in superimposition with a executes thrust movement caused in the valve stroke direction.
- the invention in advantageously a small-sized control device for changing the valve opening angle achieved in a space-reducing manner in that the Control shaft or an equivalent other adjusting device with associated Adjustment means are arranged in and around the camshaft in close proximity for periodic oscillation drive one driving on the respective tilting segment acting thrust rocker, which is preferably beyond the camshaft over a Sliding swivel joint on a fixed to adjacent camshaft bearing caps Oil pipe is guided.
- the advantageously small-sized control device according to the invention offers kinematic the advantage of a continuous change in the opening angle, with even small opening angles, large valve lifts with relatively little emigration the contact line between the cam and the contact track of the tilting segment are.
- the same cylinder head can also be used in an advantageous manner for a valve control with the control device according to the invention and for a Valve control without this control device, in particular with a valve train with two similar, adjacent globe valves if not provided Control device no unnecessary and empty volume is dragged along.
- a valve control with the control device according to the invention also equipped with a rotation angle adjustment device for spreading the control cam his.
- a particular advantage of the control device according to the invention is due to the low oscillating mass suitable for high-speed internal combustion engines.
- a valve control 1 for an internal combustion engine acts Control cam 2 of a camshaft 4 connected to a drive wheel 3 via Tilting segment 5 in a plunger 6 controlling a lift valve 7, with the a contact segment 8 formed by the control cam 2 5 via a circular arc section concentric with the camshaft axis of rotation 9 10 is arranged movably guided in the plunger 6.
- control device 11 Via one with the tipping segment 5 control device 11 is in drive connection with each valve lift an engagement determining the opening and closing phase of the lift valve 7 the contact track 8 with the flanks of the rotating control cam 2 by a relative to the direction of rotation of the control cam 2 positively controlled in the same and / or opposite direction Pivoting movement according to arrow "A" of the tilting segment 5 is achieved.
- the control device 11 comprises a valve lift direction according to FIG Arrow "B" over a first sliding rotary joint arranged on the machine housing side 12 and a further sliding swivel joint provided on the tilting segment side 13 guided thrust rocker 14 with one of a control cam-free section the camshaft 4 with play-through control opening 15 on its circumference a controlled actuatable element in / on the camshaft 4 with this co-rotating adjusting device 16 engages such that the valve lift direction according to arrow "B” with the control opening 15 eccentrically Camshaft axis of rotation 9 adjustable thrust arm 14 when rotating Camshaft 4 for each valve lift one of the positive control of the tilting segment 5 Serving, periodic swinging movement according to arrow "A” across the valve stroke direction according to arrow "B” in superposition with a valve stroke direction according to arrow "B” caused pushing movement executes.
- control breakthrough is used to achieve preferred symmetrical stroke profiles according to FIG 15 in the thrust arm 14 radially symmetrical with a cylindrical Scope designed.
- This guide ring 20 forms in this adjusting device 16 Control-actuated element described above, which on the circumference of the Tax breakthrough 15 attacks.
- a sliding block 21 can be arranged, each sliding block 21 with both the control pin 18 and the respective one End face of the adjusting pin 19 via correspondingly adapted sliding surfaces interacts positively and thus flatly.
- a control device 11 according to the invention of advantageously low construction costs is achieved in particular in the case of similar, adjacent globe valves 7 whose tilt segments 5 mounted in the plungers 6 with a between the Tappets 6 arranged swing arm 22 are connected, which over the Tilting segments 5 swing-guided swing arm 22 in a shaft 23 - figure 5- equipped with the straight, tilt segment sliding pivot 13 on which the thrust rocker 14 common to both lift valves 7 1 and 4 articulated attacks.
- This arrangement advantageously enables the straight line with the Slide block 24 of the thrust rocker 14 and the storage of this slide block 24 is lubricated on the bearing bush 25 with oil from the oil pipe 26.
- FIGS. 1, 3 and 6 they are of the same type Lift valves 7 via box lifters 6 with the interposition of hydraulic valve lash adjusters or HVA 27 actuated, of the opposite arranged guide surfaces 28 of each box tappet 6 from the respective HVA 27 provided oil supply channels 29 are extended beyond the HVA respective mouths 30 in the circular arc section accommodating the tilting segment 5 10.
- This arrangement is advantageously a simple one Lubrication of the tilting segments 5 in the box tappets 6 is achieved.
- each tilting segment 5 can be made in one piece with respective contact path or one on a separate part 31 Identify trained contact path 8, the separate part 31 with the Tilting segment is in a detachable connection, for example a plug connection.
- Thrust arm 14 formed in the area of the control opening 15 divided Inclusion of a guide ring 20 formed with radial flanges 32, via the the thrust rocker 14 in an advantageously simple manner relative to the camshaft 4 in is secured in the axial direction.
- To lubricate the guide ring 20 in the Control opening 15 is a in the thrust arm 14 on the Lubrication area of the straight guide / sliding block 24 of the machine housing side Sliding rotary joint 12 also provided an extended lubrication hole Supply of oil from the oil pipe 26.
- the camshaft 4 can one end with a rotation angle adjustment device provided in the area of the drive wheel 3 to change the spread between the intake and exhaust cams be provided.
- a rotary adjustment device 33 is provided, which is a stepless rotary adjustment the control shaft 17 from 0 ° to 180 ° or ⁇ 180 ° and back.
- This rotary adjustment device 33 can, for example, in the manner of a vane pump designed and hydraulically controlled.
- each tilt segment 5 by means of the control device 11 controlled such that each tilt segment 5 relative to the direction of rotation of the control cam 2 in opposite directions for the opening area and for the closing area is moved in the same direction.
- a valve lift curve with a maximum opening angle is achieved in that the control pin 18 of the control shaft 17 over the Rotary adjustment device 33 by the angle of 90 ° from the respective 0 ° position or 180 ° position is rotated, the control pin 18 over the transverse to the valve lift direction "B" straight lines of the 0 ° and the 180 ° position in the direction sliding swivel joint 12 of the thrust arm 14 on the machine housing side is.
- a valve stroke curve with a minimum opening angle according to one of the dashed lines 7 is the control pin 18 in a diametrical position to the position relevant to the maximum opening angle below the controlled the aforementioned straight line.
- this selected position of the control pin 18 is caused by the control device 11 that the respective tilting segment 5th is initially moved in the opening direction in the direction of rotation of the control cam 2 to achieve a later opening point and that the tilting segment 5 subsequently is moved in opposite directions in the closing phase of the lift valve 7 to achieve of an earlier closing point.
- control device 11 With the control device 11 according to the invention, this results in advantageous kinematic structure the advantage of a continuous change in the opening angle between its maximum and minimum value and one accordingly high number of intermediate valve lift curves.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Description
- Figur 1
- ausschnittsweise einen Ventiltrieb mit zwei gleichartigen Hubventilen mit einer für beide gemeinsam wirksamen Steuervorrichtung, deren Steuerwelle einenends der Nockenwelle mit einer Drehverstelleinrichtung verbunden ist und die Nockenwelle andernends zumindest mit einem Antriebsrad ausgerüstet ist,
- Figur 2
- in perspektivischer Schnittdarstellung durch die Nockenwelle die darin gelagerte Steuerwelle und weitere Elemente der zugehörigen Verstelleinrichtung mit einem in der Schubschwinge geführten Führungsring,
- Figur 3
- die gleichartigen Hubventile in perspektivischer Ansicht mit Kastenstößein, deren Kippsegmente mit einer gemeinsamen Pendelschwinge in Verbindung stehen,
- Figur 4
- in perspektivischer Ansicht die Pendelschwinge von unten mit abschnittsweise gezeigter, am kippsegmentseitigen Schiebe-Drehgelenk angelenkter Schub-Schwinge,
- Figur 5
- die Pendelschwinge in perspektivischer Einzeldarstellung, und
- Figur 6
- einen Kastenstößel mit Mündungen im Kreisbogenabschnitt der Ölversorgungskanäle für das HVA,
- Figur 7
- Hubkurven für Ein- und Auslaßventile bei geänderten Öffnungs- und Schließzeitpunkten, erzielt mit der erfindungsgemäßen Ventilsteuerung.
Claims (11)
- Ventilsteuerung für eine Brennkraftmaschine,bei der ein Steuernocken (2) einer Nockenwelle (4) über ein Kippsegment (5) in einem Stößel (6) auf ein Hubventil (7) steuernd einwirkt, wobeidas mit einer vom Steuernocken (2) beaufschlagten Kontaktbahn (8) ausgebildete Kippsegment (5) über einen zur Nockenwellen-Drehachse (9) konzentrischen Kreisbogenabschnitt (10) im Stößel (6) beweglich geführt angeordnet ist derart, daßmittels einer Steuervorrichtung (11) bei jedem Ventilhub ein die Öffnungs- und Schließ-Phase des Hubventils (7) bestimmender Eingriff der Kontaktbahn (8) mit den Flanken des drehenden Steuernockens (2) durch eine relativ zur Drehrichtung des Steuemockens (2) gleich- und/oder gegensinnig zwangsgesteuerte Schwenkbewegung (Pfeil "A") des Kippsegmentes (5) erzielt ist,daß die Steuervorrichtung (11) eine in Ventilhubrichtung (Pfeil "B") über ein maschinengehäuseseitig angeordnetes erstes Schiebe-Drehgelenk (12) und ein kippsegmentseitig vorgesehenes weiteres Schiebe-Drehgelenk (13) geführte Schub-Schwinge (14) umfaßt, mit einer von einem steuernockenfreien Abschnitt der Nockenwelle (4) mit Spiel durchsetzten Steuer-Durchbrechung (15), an derenUmfang ein gesteuert betätigbares Element (Führungsring 20) einer in/an der Nockenwelle (4) mit dieser mitdrehend angeordneten Verstelleinrichtung (16) derart angreift, daßdie in Ventilhubrichtung (Pfeil "B") mit der Steuer-Durchbrechung (15) exzentrisch zur Nockenwellen-Drehachse (9) verstellbare Schub-Schwinge (14) bei drehender Nockenwelle (4) zu jedem Ventilhub eine der Zwangssteuerung des Kippsegmentes (5) dienende, periodische Schwingbewegung (Pfeil "A") quer zur Ventilhubrichtung (Pfeil "B") in Überlagerung mit einer in Ventilhubrichtung (Pfeil "B") bewirkten Schubbewegung ausführt.
- Ventilsteuerung nach Anspruch 1, dadurch gekennzeichnet, daß die Steuer-Durchbrechung (15) radialsymmetrisch mit einem zylindrischen Umfang gestaltet ist.
- Ventilsteuerung nach Anspruch 1 oder 2, dadurch gekennzeichnet,daß die Verstelleinrichtung (16) eine in einer hohlen Nockenwelle (4) koaxial drehbeweglich angeordnete Steuerwelle (17) mit einem exzentrisch angeordneten Steuerzapfen (18) umfaßt, dermit in der Nockenwelle (4) diametral radial beweglich geführt angeordneten Verstellzapfen (19) zusammenwirkt, wobeijeder Verstellzapfen (19) mit einem hälftigen Abschnitt (20', 20") eines in der Steuer-Durchbrechung (15) der Schub-Schwinge (14) drehbar gelagerten Führungsringes (20) in fester Verbindung steht.
- Ventilsteuerung nach Anspruch 3, dadurch gekennzeichnet,daß zwischen dem Steuerzapfen (18) und jedem Verstellzapfen (19) jeweils ein Gleitstein (21) angeordnet ist, undjeder Gleitstein (21) sowohl mit dem Steuerzapfen (18) als auch mit der jeweiligen Stirnfläche des Verstellzapfens (19) über entsprechend angepaßte Gleitflächen formschlüssig zusammenwirkt.
- Ventilsteuerung nach einem oder mehreren der Ansprüche 1 bis 4, dadurch gekennzeichnet,daß bei gleichartigen, benachbarten Hubventilen (7) deren in den Stößeln (6) gelagerten Kippsegmente (5) mit einer zwischen den Stößeln (6) angeordneten Pendelschwinge (22) verbunden sind, wobeidie über die Kippsegmente (5) schwinggeführte Pendelschwinge (22) in einem Schacht (23) mit dem gerad geführt angeordneten, kippsegmentseitigen Schiebe-Drehgelenk (13) ausgerüstet ist, an dem eine für beide Hubventile (7) gemeinsame Schub-Schwinge (14) gelenkig angreift.
- Ventilsteuerung nach den Ansprüchen 1 bis 5, dadurch gekennzeichnet,daß die Schub-Schwinge (14) im anderen Endbereich jenseits der Nockenwelle (4) über eine gabelartige Geradführung mit einem Kulissenstein (24) des maschinengehäuseseitigen Schiebe-Drehgelenkes (12) in beweglicher Verbindung steht, wobeider Kulissenstein (24) über eine Lagerbuchse (25) auf einem an Nockenwellen-Lagerdeckeln fixierten Ölleitungsrohr (26) winkelbeweglich gelagert ist.
- Ventilsteuerung nach Anspruch 6, dadurch gekennzeichnet, daß die Geradführung mit dem Kulissenstein (24) der Schub-Schwinge (14) sowie die Lagerung dieses Kulissensteins (24) auf der Lagerbuchse (25) mit Öl aus dem Ölleitungsrohr (26) geschmiert angeordnet ist.
- Ventilsteuerung nach einem oder mehreren der Ansprüche 1 bis 7, dadurch gekennzeichnet,daß die gleichartigen Hubventile (7) über Kastenstößel (6) unter Zwischenschaltung von hydraulischen Ventilspielausgleichselementen (HVA 27) betätigt sind, wobeivon den gegenüberliegend angeordneten Führungsflächen (28) jedes Kastenstößels (6) aus zum jeweiligen HVA (27) vorgesehene Ölversorgungskanäle (29) über das HVA (27) hinaus verlängert sind zu jeweiligen Mündungen (30) im das Kippsegment (5) lagernd aufnehmenden Kreisbogenabschnitt (10).
- Ventilsteuerung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet,daß das Kippsegment (5) eine an einem gesonderten Teil (31) ausgebildete Kontaktbahn (8) aufweist, wobeidas gesonderte, verschleißfest ausgebildete Teil (31) mit dem Kippsegment (5) ggf. in lösbarer Verbindung steht.
- Ventilsteuerung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet,daß die Schub-Schwinge (14) im Bereich der Steuer-Durchbrechung (15) geteilt ausgebildet ist zur Aufnahme eines mit Radialflanschen (32) ausgebildeten Führungsringes (20), derüber eine in der Schub-Schwinge (14) über den Schmierbereich der Geradführung/Kulissenstein (24) hinaus verlängerte Schmierbohrung mit Öl aus dem Ölleitungsrohr (26) versorgt ist.
- Ventilsteuerung nach den Ansprüchen 1 bis 10, dadurch gekennzeichnet,daß die Nockenwelle (4) an einem Ende mit einer Drehwinkeiverstelleinrichtung undam anderen Ende für die Steuerwelle (17) mit einer Drehverstelleinrichtung (33) ausgerüstet ist, dieeiner stufenlosen Drehverstellung der Steuerwelle (17) von 0° bis 180° oder <180° und zurück dient.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19825307 | 1998-06-05 | ||
DE19825307A DE19825307A1 (de) | 1998-06-05 | 1998-06-05 | Ventilsteuerung für eine Brennkraftmaschine |
PCT/EP1999/003154 WO1999064729A1 (de) | 1998-06-05 | 1999-05-07 | Ventilsteuerung für eine brennkraftmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1084330A1 EP1084330A1 (de) | 2001-03-21 |
EP1084330B1 true EP1084330B1 (de) | 2002-10-30 |
Family
ID=7870110
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99924907A Expired - Lifetime EP1084330B1 (de) | 1998-06-05 | 1999-05-07 | Ventilsteuerung für eine brennkraftmaschine |
Country Status (6)
Country | Link |
---|---|
US (1) | US6382149B1 (de) |
EP (1) | EP1084330B1 (de) |
JP (1) | JP4283999B2 (de) |
DE (2) | DE19825307A1 (de) |
ES (1) | ES2185349T3 (de) |
WO (1) | WO1999064729A1 (de) |
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DE19911067A1 (de) * | 1999-03-12 | 2000-09-14 | Bayerische Motoren Werke Ag | Verfahren zur Ausbildung einer Anrißstelle zum Bruchtrennen eines Bauteiles aus einem Kohlenstoffstahl |
US6786185B2 (en) * | 2002-03-14 | 2004-09-07 | Delphi Technologies, Inc. | Variable valve actuation mechanism having partial wrap bearings for output cams and frames |
JP4342372B2 (ja) * | 2004-04-28 | 2009-10-14 | 本田技研工業株式会社 | 内燃機関の動弁装置 |
JP4343021B2 (ja) * | 2004-04-28 | 2009-10-14 | 本田技研工業株式会社 | 内燃機関の動弁装置 |
US20080017150A1 (en) * | 2004-09-15 | 2008-01-24 | Yamaha Hatsudoki Kabushiki Kaisha | Variable Valve Drive Device, Engine, and Motorcycle |
FI20080053A0 (fi) * | 2007-12-12 | 2008-01-22 | Wallac Oy | Laite ja menetelmä optisen komponentin paikan sovittamiseksi |
DE102009037270B4 (de) | 2009-08-10 | 2011-04-07 | Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr | Ventiltrieb für Brennkraftmaschinen zur Betätigung von Gaswechselventilen |
DE102009037268B3 (de) | 2009-08-10 | 2011-04-07 | Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr | Variabler Ventiltrieb für Brennkraftmaschinen zur Betätigung von Gaswechselventilen |
DE102009037269B4 (de) | 2009-08-10 | 2011-06-01 | Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr | Ventiltrieb für Verbrennungskraftmaschinen zur Betätigung von Gaswechselventilen |
JP5569423B2 (ja) * | 2011-02-09 | 2014-08-13 | トヨタ自動車株式会社 | 内燃機関の可変動弁装置 |
DE102011108728B4 (de) | 2011-07-27 | 2013-02-07 | Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr | Ventiltrieb für Brennkraftmaschinen zur Betätigung von Gaswechselventilen |
KR101637296B1 (ko) * | 2014-12-09 | 2016-07-07 | 현대자동차 주식회사 | 연속 가변 밸브 듀레이션 장치 및 이를 포함하는 엔진 |
KR101628100B1 (ko) | 2014-12-09 | 2016-06-08 | 현대자동차 주식회사 | 연속 가변 밸브 듀레이션 장치 및 이를 포함하는 엔진 |
KR101628088B1 (ko) | 2015-07-07 | 2016-06-08 | 현대자동차 주식회사 | 연속 가변 밸브 듀레이션 장치 및 이를 포함하는 엔진 |
KR101664079B1 (ko) * | 2015-09-24 | 2016-10-10 | 현대자동차 주식회사 | 연속 가변 밸브 듀레이션 장치 및 이를 포함하는 엔진 |
KR102371229B1 (ko) | 2016-12-14 | 2022-03-04 | 현대자동차 주식회사 | 연속 가변 밸브 듀레이션 장치 및 이를 포함하는 엔진 |
KR102371235B1 (ko) * | 2016-12-15 | 2022-03-04 | 현대자동차 주식회사 | 연속 가변 밸브 듀레이션 장치 및 이를 포함하는 엔진 |
CN108625924B (zh) * | 2018-06-15 | 2023-09-22 | 吉林大学 | 一种气门正时调节机构 |
CN112648040B (zh) * | 2020-12-22 | 2022-03-25 | 东风商用车有限公司 | 发动机压缩释放式制动器及其制动方法 |
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US5732669A (en) * | 1992-12-13 | 1998-03-31 | Bayerische Motoren Werke Aktiengesellschaft | Valve control for an internal combustion engine |
US5515819A (en) * | 1994-11-04 | 1996-05-14 | Eaton Corporation | Biasing assembly for a variable valve timing mechanism |
DE19532334A1 (de) * | 1995-09-01 | 1997-03-06 | Bayerische Motoren Werke Ag | Variabler Ventiltrieb, insbesondere für Brennkraftmaschinen |
DE19604943C2 (de) * | 1996-02-10 | 2002-10-02 | Daimler Chrysler Ag | Vorrichtung zum Betreiben von Ventilen einer Brennkraftmaschine |
JP3834921B2 (ja) * | 1997-04-02 | 2006-10-18 | 三菱自動車工業株式会社 | 可変動弁機構 |
DE19825308A1 (de) * | 1998-06-05 | 1999-12-09 | Bayerische Motoren Werke Ag | Variabler Ventiltrieb für eine Brennkraftmaschine |
JP2000145422A (ja) * | 1998-11-05 | 2000-05-26 | Honda Motor Co Ltd | 多気筒内燃機関の動弁装置 |
US6135075A (en) * | 1999-03-10 | 2000-10-24 | Boertje; Brian H. | Variable cam mechanism for an engine |
US6293238B1 (en) * | 1999-04-07 | 2001-09-25 | Caterpillar Inc. | Rocker arm and rocker arm assembly for engines |
US6314926B1 (en) * | 1999-05-24 | 2001-11-13 | Jenera Enterprises Ltd | Valve control apparatus |
US6311659B1 (en) * | 1999-06-01 | 2001-11-06 | Delphi Technologies, Inc. | Desmodromic cam driven variable valve timing mechanism |
-
1998
- 1998-06-05 DE DE19825307A patent/DE19825307A1/de not_active Withdrawn
-
1999
- 1999-05-07 WO PCT/EP1999/003154 patent/WO1999064729A1/de active IP Right Grant
- 1999-05-07 EP EP99924907A patent/EP1084330B1/de not_active Expired - Lifetime
- 1999-05-07 US US09/701,874 patent/US6382149B1/en not_active Expired - Fee Related
- 1999-05-07 JP JP2000553708A patent/JP4283999B2/ja not_active Expired - Fee Related
- 1999-05-07 DE DE59903259T patent/DE59903259D1/de not_active Expired - Lifetime
- 1999-05-07 ES ES99924907T patent/ES2185349T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO1999064729A1 (de) | 1999-12-16 |
ES2185349T3 (es) | 2003-04-16 |
DE59903259D1 (de) | 2002-12-05 |
JP2002517669A (ja) | 2002-06-18 |
JP4283999B2 (ja) | 2009-06-24 |
US6382149B1 (en) | 2002-05-07 |
DE19825307A1 (de) | 1999-12-09 |
EP1084330A1 (de) | 2001-03-21 |
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