DE10323665B4 - Variable valve lifting device for stroke adjustment of the gas exchange valves of an internal combustion engine - Google Patents
Variable valve lifting device for stroke adjustment of the gas exchange valves of an internal combustion engine Download PDFInfo
- Publication number
- DE10323665B4 DE10323665B4 DE10323665A DE10323665A DE10323665B4 DE 10323665 B4 DE10323665 B4 DE 10323665B4 DE 10323665 A DE10323665 A DE 10323665A DE 10323665 A DE10323665 A DE 10323665A DE 10323665 B4 DE10323665 B4 DE 10323665B4
- Authority
- DE
- Germany
- Prior art keywords
- eccentric
- lifting device
- eccentric shaft
- valve
- valve 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.)
- Expired - Lifetime
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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
- 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
-
- 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
- F01L1/08—Shape of cams
-
- 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
- F01L1/146—Push-rods
-
- 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
- F01L13/0005—Deactivating 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
- 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
- F01L13/0026—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 by means of an eccentric
-
- 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
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
- F01L1/185—Overhead end-pivot rocking arms
-
- 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
- F01L1/20—Adjusting or compensating clearance
- F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
- F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
- F01L1/2405—Adjusting 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
-
- 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
-
- 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
- F01L2301/00—Using particular materials
-
- 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
- F01L2305/00—Valve arrangements comprising rollers
-
- 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
- F01L2800/00—Methods of operation using a variable valve timing mechanism
- F01L2800/06—Timing or lift different for valves of same cylinder
-
- 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
- F01L2800/00—Methods of operation using a variable valve timing mechanism
- F01L2800/08—Timing or lift different for valves of different cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
Variable
Ventilhubvorrichtung (1) zur Hubverstellung der Gaswechselventile
(2) einer Verbrennungskraftmaschine, die je Gaswechselventil (2)
folgende Elemente umfasst:
einen Kipphebel (9, 10) mit einer
Arbeitskurve (13), der, mittels einer Nockenwelle (8) betätigt, in
einer Kulisse (11) abläuft,
ein
Ventilbetätigungsmittel
und eine Feder, welche den Kipphebel (9, 10) gegen einen Nocken
der Nockenwelle (8) drückt,
einen
Exzenter (4, 5) auf einer drehbaren Exzenterwelle (3),
wobei
alle möglichen
Konturen des Exzenters (4, 5) innerhalb eines Kreises liegen, der
durch Außendurchmesser
einer Lagerung (6, 7) der Exzenterwelle (3) gebildet ist, und der
Drehpunkt des Kipphebels (9, 10) durch den Exzenter (4, 5) bestimmt
wird,
und eine weitere, als Drehschenkelfeder ausgebildete
und die Exzenterwelle (3) umschlingende Feder vorgesehen ist, die
mit einem abgewinkelten Schenkelende einen zylinderförmigen Ansatz
des Kipphebels (9, 10) umgreift, um den Kipphebel (9, 10) gegen
den Exzenter (4, 5) zur Anlage zu bringen.Variable valve lifting device (1) for the stroke adjustment of the gas exchange valves (2) of an internal combustion engine, which comprises the following elements per gas exchange valve (2):
a rocker arm (9, 10) having a working curve (13) which, actuated by means of a camshaft (8), runs in a link (11),
a valve actuating means and a spring which presses the rocker arm (9, 10) against a cam of the camshaft (8),
an eccentric (4, 5) on a rotatable eccentric shaft (3),
wherein all possible contours of the eccentric (4, 5) are within a circle, which is formed by the outer diameter of a bearing (6, 7) of the eccentric shaft (3), and the pivot point of the rocker arm (9, 10) by the eccentric (4, 5) is determined
and a further, designed as a torsion spring and the eccentric shaft (3) wrapped around spring is provided with an angled leg end a cylindrical projection of the rocker arm (9, 10) engages around the rocker arm (9, 10) against the eccentric (4, 5 ) to the plant.
Description
Die Erfindung betrifft eine variable Ventilhubvorrichtung zur Hubverstellung der Gaswechselventile einer Verbrennungskraftmaschine nach dem Oberbegriff des Patentanspruches 1.The The invention relates to a variable Ventilhubvorrichtung for stroke adjustment the gas exchange valves of an internal combustion engine according to the preamble of claim 1.
Stand der TechnikState of the art
Aus
der
Weitere
variable Ventiltriebe sind aus der
Allgemein wird bei einem vollvariablen Ventiltrieb der Ventilhub zur Einstellung der Last geregelt. In mehrzylindrigen Verbrennungskraftmaschinen wird der Ventilhub zur Regelung der Leerlaufdrehzahl im Bereich von wenigen Zehntel Millimetern eingeregelt. Dabei darf sich der Ventilhub zwischen den Zylindern in diesem Lastpunkt nur um ca. 10% unterscheiden, da sonst infolge der unterschiedlichen Belastung der Zylinder, der Gesamtmotor zu unzulässigem Schütteln angeregt wird, was in einem Fahrzeug zu einer nicht akzeptierbaren Komforteinbuße führt.Generally For a fully variable valve train, the valve lift is used for adjustment the load is regulated. In multi-cylinder internal combustion engines is the valve lift to control the idle speed in the range of a few Adjusted tenths of a millimeter. The valve lift may be between differentiate the cylinders only by about 10% in this load point, otherwise due to the different load on the cylinder, the Total engine to invalid shake what is excited in a vehicle is unacceptable loss of comfort leads.
Aufgabenstellungtask
Es ist Aufgabe der vorliegenden Erfindung, eine Ventilhubvorrichtung zur Hubverstellung der Gaswechselventile einer Verbrennungskraftmaschine mit möglichst geringen Verstell- und Haltekräften zu schaffen, unabhängig davon, ob diese Halte- und Verstellkräfte mechanisch, hydraulisch oder elektrisch aufgebracht werden, mit einer möglichst kostengünstigen Verstellung des Ventilhubes und mit höchster Genauigkeit zwischen den einzelnen Zylindern einer mehrzylindrigen Verbrennungskraftmaschine vorzunehmenden Einstellung bzw. Einregelung des Ventilhubes und darüber hinaus die Regelungsmöglichkeit des Ventilhubes der Ventile einer Verbrennungskraftmaschine mit mehreren Zylindern innerhalb kleinster Toleranz zu erhalten.It Object of the present invention, a valve lift for stroke adjustment of the gas exchange valves of an internal combustion engine with as possible to create low adjustment and holding forces, independently of whether these holding and adjusting mechanical, hydraulic or be applied electrically, with a cost-effective as possible Adjustment of the valve lift and with highest accuracy between the individual cylinders of a multi-cylinder internal combustion engine to be made setting or adjustment of the valve lift and about that addition, the regulation possibility the valve lift of the valves of an internal combustion engine with several cylinders within the smallest tolerance.
Diese Aufgabe wird gelöst durch die Merkmale des Patentanspruches 1.These Task is solved by the features of claim 1.
Vorteilhaft ist vorgesehen, dass die Exzenterwelle in eine durchgehende Bohrung im Zylinderkopfmaterial durchsteckbar und in der durchgehenden Bohrung im Zylinderkopf direkt gelagert ist und dass die Exzenterwelle von einer der Stirnseiten des Zylinderkopfes als einsteckbare Exzenterwelle montierbar ist.Advantageous It is envisaged that the eccentric shaft into a through hole in the cylinder head material push-through and in the through hole is mounted directly in the cylinder head and that the eccentric shaft of one of the end faces of the cylinder head as a plug-in eccentric shaft can be mounted.
Eine vorteilhafte Variante wird darin gesehen, dass die Exzenterwelle in einem separaten Gehäuse gelagert ist, das mit dem Zylinderkopf verbunden ist, wobei in dem Gehäuse auch eine Nockenwelle gelagert ist, oder dass in dem Gehäuse als vormontierte Einheit die Exzenterwelle, die Kipphebel, die Nockenwelle und eine Kulisse gelagert sind.A advantageous variant is seen in that the eccentric shaft in a separate housing is mounted, which is connected to the cylinder head, wherein in the casing Also, a camshaft is mounted, or that in the housing as preassembled unit the eccentric shaft, the rocker arm, the camshaft and a backdrop are stored.
Bevorzugt ist die Exzenterwelle mittels Wälzlager in dem Zylinderkopf gelagert.Prefers is the eccentric shaft by means of rolling bearings stored in the cylinder head.
Bevorzugt ist ferner neben einer mechanischen Verstellung des Ventilhubes der Ventile als Variante vorgesehen, dass die Exzenterwelle hydraulisch verstellbar ist, oder dass die Exzenterwelle mittels eines Elektromotor verstellbar ist, der fluchtend zur Nockenwelle oder zur Exzenterwelle vorgesehen ist, wobei die Achse des Elektromotors parallel zur Nockenwellenachse oder parallel zur Exzenterwellenachse vorgesehen ist.Prefers is also in addition to a mechanical adjustment of the valve the valves provided as a variant that the eccentric shaft hydraulically is adjustable, or that the eccentric shaft by means of an electric motor adjustable, which is aligned with the camshaft or the eccentric shaft is provided, wherein the axis of the electric motor parallel to the camshaft axis or is provided parallel to the eccentric shaft axis.
Eine bevorzugte Weiterbildung wird darin gesehen, dass die Exzenter bei einer Anordnung mit zwei oder mehreren Ein- oder Auslassventilen gegeneinander um einen Winkel α verdreht angeordnet sind, so dass sich in einer Drehstellung der Exzenterwelle für die Ventile unterschiedliche Ventilhübe ergeben.A preferred development is seen in that the eccentric in an arrangement with two or more inlet or outlet valves rotated against each other by an angle α are arranged so that in a rotational position of the eccentric shaft for the Valves different valve lifts result.
Eine besonders bevorzugte Weiterbildung wird darin gesehen, dass in einem Zylinderkopf für die Betätigung von Ein- und Auslassventilen mehrere Exzenterwellen vorgesehen sind, wobei sich die Exzenterwellen von mehreren Ein- oder Auslassventilen in der Kontur der Exzenter unterscheiden.A Particularly preferred development is seen in that in one Cylinder head for the activity inlet and outlet valves are provided with several eccentric shafts, where the eccentric shafts of several inlet or outlet valves differ in the contour of the eccentric.
Vorteilhaft ist weiterhin vorgesehen, dass die Ventile benachbarter Zylinder mit unterschiedlichen Exzenterkonturen über die Kipphebel zu betätigen sind und dass Nockenwellenkonturen für die Ventile, die zu einem Zylinder zugehörig sind, unterschiedlich ausgeführt sind.Advantageous is further provided that the valves of adjacent cylinders are to operate with different eccentric contours on the rocker arms and that camshaft contours for the valves, which are associated with a cylinder, are designed differently.
Eine bevorzugte Ausführungsform wird darin gesehen, dass Arbeitskonturen der Kipphebel, die mit der Exzenterwelle in Kontakt sind, eine ebene Fläche bilden oder dass die Arbeitskonturen der Kipphebel, die mit der Exzenterwelle in Kontakt sind, eine konkave oder konvexe Fläche bilden.A preferred embodiment is seen in that working contours of the rocker arm, with the eccentric shaft are in contact, form a flat surface or that the working contours the rocker arm, which are in contact with the eccentric shaft, a concave or convex surface form.
Eine unter Umständen bevorzugte Weiterbildung wird dann gesehen, dass die Exzenter mit einer gelagerten Rolle der Kipphebel in Kontakt sind.A in certain circumstances preferred development is then seen that the eccentric with a stored role of the rocker arms are in contact.
Zusätzlich kann noch vorgesehen sein, dass die Arbeitskontur des Kipphebels von der Arbeitskontur des zweiten Kipphebels, die mittels einer Achse direkt mit einander verbunden sind, unterschiedlich ausgeführt ist.In addition, can be provided that the working contour of the rocker arm of the working contour of the second rocker arm, by means of an axis directly are connected to each other, executed differently.
Wesentlich ist an der neuen Ausbildung der Exzenterwelle, dass damit eine Regelungsmöglichkeit des Ventilhubes der Ventile einer Verbrennungskraftmaschine mit einem oder mehreren Ein- oder Auslassventilen innerhalb kleinster Toleranzen erhalten wird, bei geringen Verstell- und Haltekräften, unabhängig, ob diese Halte- und Verstellkräfte mechanisch, hydraulisch oder elektrisch aufgebracht werden und mit höchster Genauigkeit der zwischen den einzelnen Zylindern einer mehrzylindrigen Verbrennungskraftmaschine vorzunehmenden Einstellung bzw. Einregelung des Ventilhubes.Essential is on the new training of the eccentric shaft, that thus a regulation possibility the valve lift of the valves of an internal combustion engine with one or more inlet or outlet valves within smallest Tolerances is obtained at low adjustment and holding forces, regardless of whether these holding and adjusting forces be applied mechanically, hydraulically or electrically and with highest Accuracy of between the individual cylinders of a multi-cylinder Internal combustion engine to be made setting or adjustment the valve lift.
Ausführungsbeispielembodiment
Die Erfindung wird im Folgenden anhand eines bevorzugten Ausführungsbeispiels näher erläutert.The Invention will be described below with reference to a preferred embodiment explained in more detail.
Es zeigen:It demonstrate:
Die
Konturen der Exzenter
Die
Arbeitskonturen der Kipphebel
- 11
- HubventilvorrichtungHubventilvorrichtung
- 22
- VentilValve
- 33
- Exzenterwelleeccentric shaft
- 44
- Exzentereccentric
- 55
- Exzentereccentric
- 66
- Außendurchmesser der Lagerung der Exzenterwelleouter diameter the bearing of the eccentric shaft
- 77
- Außendurchmesser der Lagerung der Exzenterwelleouter diameter the bearing of the eccentric shaft
- 88th
- Nockenwellecamshaft
- 99
- Kipphebelrocker arm
- 1010
- Kipphebelrocker arm
- 1111
- Kulissescenery
- 1212
- Arbeitskontur des Kipphebelswork contour of the rocker arm
- 1313
- Arbeitskontur des Kipphebelswork contour of the rocker arm
- 1414
- Achse der Kipphebelaxis the rocker arm
Claims (18)
Priority Applications (16)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10323665A DE10323665B4 (en) | 2003-05-14 | 2003-05-14 | Variable valve lifting device for stroke adjustment of the gas exchange valves of an internal combustion engine |
EP04723567A EP1618293B1 (en) | 2003-03-29 | 2004-03-26 | Variable valve lift device for the lift adjustment of gas-exchange valves of an internal combustion engine |
PCT/EP2004/003264 WO2004088094A2 (en) | 2003-03-29 | 2004-03-26 | Variable valve lift device for the lift adjustment of gas-exchange valves of an internal combustion engine |
CN2004800113790A CN1802490B (en) | 2003-03-29 | 2004-03-26 | Variable valve lift device for lift adjustment of gas exchange valves of internal combustion engines |
CN201110161276.4A CN102359403B (en) | 2003-03-29 | 2004-03-26 | Actuator technology used for heat engine |
EP08101882A EP1947301A3 (en) | 2003-03-29 | 2004-03-26 | Variable valve lift device for the lift adjustment of gas-exchange valves of an internal combustion engine |
CN2011101273036A CN102322308B (en) | 2003-03-29 | 2004-03-26 | Variable valve lift control system for heat engine |
JP2006504886A JP4669471B2 (en) | 2003-03-29 | 2004-03-26 | Variable valve lift device for lift adjustment of gas exchange valve of internal combustion engine |
AT04723567T ATE409274T1 (en) | 2003-03-29 | 2004-03-26 | VARIABLE VALVE CONTROL DEVICE IN AN INTERNAL COMBUSTION ENGINE |
KR1020107026281A KR101111279B1 (en) | 2003-03-29 | 2004-03-26 | Variable valve lift device for the lift adjustment of gas-exchange valves of an internal combustion engine |
DE602004016743T DE602004016743D1 (en) | 2003-03-29 | 2004-03-26 | VARIABLE VALVE CONTROL DEVICE IN AN INTERNAL COMBUSTION ENGINE |
KR1020057018528A KR101004655B1 (en) | 2003-03-29 | 2004-03-26 | Variable valve lift device for lift control of gas exchange valve of internal combustion engine |
CN201110161228.5A CN102364065B (en) | 2003-03-29 | 2004-03-26 | The device and method regulated for the lift range variable of the ventilation door of internal combustion engine |
CN201110161260.3A CN102359402B (en) | 2003-03-29 | 2004-03-26 | Variable valve lift device for the lift adjustment of gas-exchange valves of an internal combustion engine |
US10/550,938 US7895981B2 (en) | 2003-03-29 | 2004-03-26 | Variable valve lift device for the lift adjustment of gas-exchange valves of an internal combustion engine |
EP08102058A EP1961927A3 (en) | 2003-03-29 | 2004-03-26 | Variable valve lift device for the lift adjustment of gas-exchange valves of an internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10323665A DE10323665B4 (en) | 2003-05-14 | 2003-05-14 | Variable valve lifting device for stroke adjustment of the gas exchange valves of an internal combustion engine |
Publications (2)
Publication Number | Publication Date |
---|---|
DE10323665A1 DE10323665A1 (en) | 2004-12-09 |
DE10323665B4 true DE10323665B4 (en) | 2009-02-05 |
Family
ID=33441268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10323665A Expired - Lifetime DE10323665B4 (en) | 2003-03-29 | 2003-05-14 | Variable valve lifting device for stroke adjustment of the gas exchange valves of an internal combustion engine |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE10323665B4 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103168154A (en) * | 2010-10-19 | 2013-06-19 | 科尔本施密特皮尔伯格创新股份有限公司 | Mechanically controllable valve operating mechanism, and mechanically controllable valve operating mechanism arrangement |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007198363A (en) * | 2005-12-26 | 2007-08-09 | Otics Corp | Variable valve mechanism |
DE102007022266A1 (en) | 2007-05-09 | 2008-11-20 | Hydraulik-Ring Gmbh | Fully-variable valve operating device for stroke setting of charge-cycle valve of internal combustion engine, has camshaft with cam and transmission device is arranged between one of charge-cycle valve and camshaft for stroke setting |
DE102011009416B4 (en) | 2011-01-25 | 2016-11-03 | Kolbenschmidt Pierburg Innovations Gmbh | Mechanically controllable valve train arrangement |
DE102012001633A1 (en) * | 2012-01-30 | 2013-08-01 | Kolbenschmidt Pierburg Innovations Gmbh | Mechanically controllable valve train arrangement |
DE102012006983A1 (en) * | 2012-04-05 | 2013-10-10 | Kolbenschmidt Pierburg Innovations Gmbh | Mechanically controllable valve train arrangement, internal combustion engine and a method for operating an internal combustion engine |
DE102013106515B3 (en) * | 2013-06-21 | 2014-12-24 | Pierburg Gmbh | Process for the production of valve equalizers on variable valve trains |
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DE4223173A1 (en) * | 1992-07-15 | 1994-01-20 | Bayerische Motoren Werke Ag | Valve mechanism for vehicle IC engine - has different lift curves for each pair of valves per cylinder controlled by roller-actuated eccentrics |
DE4326331A1 (en) * | 1992-07-15 | 1995-02-09 | Bayerische Motoren Werke Ag | Valve gear of an internal combustion engine |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103168154A (en) * | 2010-10-19 | 2013-06-19 | 科尔本施密特皮尔伯格创新股份有限公司 | Mechanically controllable valve operating mechanism, and mechanically controllable valve operating mechanism arrangement |
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