EP2163736A1 - Variable lifting valve control - Google Patents

Variable lifting valve control Download PDF

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Publication number
EP2163736A1
EP2163736A1 EP09015482A EP09015482A EP2163736A1 EP 2163736 A1 EP2163736 A1 EP 2163736A1 EP 09015482 A EP09015482 A EP 09015482A EP 09015482 A EP09015482 A EP 09015482A EP 2163736 A1 EP2163736 A1 EP 2163736A1
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EP
European Patent Office
Prior art keywords
valve
push rod
gear
axis
rod
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.)
Withdrawn
Application number
EP09015482A
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German (de)
French (fr)
Inventor
Herbert Naumann
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.)
Thyssenkrupp Dynamic Components Teccenter AG
Original Assignee
ThyssenKrupp Presta TecCenter 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 ThyssenKrupp Presta TecCenter AG filed Critical ThyssenKrupp Presta TecCenter AG
Publication of EP2163736A1 publication Critical patent/EP2163736A1/en
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • F01L1/30—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of positively opened and closed valves, i.e. desmodromic 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
    • F01L13/0005—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
    • F01L2303/00—Manufacturing of components used in valve arrangements
    • F01L2303/01—Tools for producing, mounting or adjusting, e.g. some part of the distribution
    • 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
    • F01L2800/13—Throttleless
    • 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
    • Y10T74/21—Elements
    • Y10T74/2101—Cams
    • Y10T74/2107—Follower

Definitions

  • the invention relates to mechanical, variable Hubventil practiseieux by which the individual valves or valve groups during operation of the engine, the actuation of the valves can be continuously adjusted from a maximum stroke length to a constant closed keeping, at the same time the opening duration of the valves during a decreasing stroke is shortened.
  • the valves are driven by bucket tappets, which are themselves acted upon by pressure rods.
  • the object of the invention is to be able to produce with a simple, space and mass saving mechanism, Hubventil tenumaschine, fulfill the above task.
  • the Hubventil thoroughly can be used for throttle-free load controls and for valve and cylinder shutdowns, as they can establish a constant closed keeping the valves.
  • One or more valves can be driven by the Hubventil tenuisme alternately by different cams, wherein the switching takes place without the use of a switchable coupling pin.
  • Fig. 1 shows a Hubventilgnaung with a valve-actuating bucket tappet, which is driven by a pivoting joint of a push rod, wherein the push rod engages for its drive by means of its contact surfaces in the role of a control lever.
  • Fig. 1 shows a cylinder head arranged in the Hubventil penetrateung for a stepless change of the valve lift and a continuous keep closed the Valves 26 during operation of the engine.
  • the valve 26 is actuated by a bucket tappet 27 , which may also be designed as a valve clearance compensation element.
  • the bucket tappet 27 has on its upper side a bearing block 28 for a bearing half-shell 29 into which engages a arranged at the lower end of a push rod 30 axle 31 , whereby a rotary joint 32 is formed for easy assembly.
  • the pressure rod 30 has approximately perpendicular to its longitudinal axis extending contact surfaces 33 and 34 which engage in a roller 35 of the pressure rod 30 enclosing the adjusting lever 36 .
  • the push rod 30 has a cam roller 37 via which the push rod 30 is set by a cam 38 in a swinging motion.
  • roller 35 having adjusting lever 36 is mounted below in pivots 39 which are arranged in connected to the cylinder head 40 holders 41 , wherein the axis of rotation of these hinges 39 is equal to the axis of rotation of the common pivot 32 of the bearing block 28 and the push rod 30 when the valve 26 is closed.
  • the arranged on the pressure rod 30 contact surface 33 is formed curved in a circular outward, wherein the radius R1 of the contact surface 33 as the center of the axis of rotation of the pressure rod 30 belonging to the rotary joint 32 has.
  • a continuous keeping closed of the valve 26 is achieved in that the pressure rod 30 is not driven in a longitudinal movement when the contact surface 33 engages during the swinging movement of the push rod 30 in the roller 35 of the actuating lever 36 .
  • the arranged on the lever 36 contact surface 34 has an inwardly directed curvature, which projects beyond the contact surface 33 , whereby during the swinging movement of the push rod 30 by means of engagement of its contact surface 34 in the roller 35 of the control lever 36 of the push rod 30 is driven in a longitudinal movement and the bucket tappet 27 driven by the pivot 32 actuates the valve 26 .
  • the adjusting lever 36 has for its adjustment a circular about the axis of rotation of its hinges 39 extending teeth 42 with the pitch radius R2 , in which a gear 43 of a control shaft 44 engages.
  • the contact surface 34 of the pressure rod 30 begins to engage in the roller 35 of the actuating lever 36 with a short distance, whereby a valve actuation is effected with a small valve lift in a short opening time. After that increases continuously with the case taking place further interventions of the contact surface 34 in the roller 35 of the valve lift, at the same time continuously increases the valve opening time.
  • a dial can be provided for a valve clearance adjustment between the bearing block 28 and the cup tappet 27 , or a bearing block 28 can be placed with an adapted height dimension.
  • the Hubventil thoroughlyung the Fig. 1 can be designed such that the pressure rod 30, the valve 26 via a rocker arm or directly operated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Fluid-Damping Devices (AREA)
  • Harvester Elements (AREA)

Abstract

One end of the angled rocker arm (7) is approximately at right angles to the longitudinal axis of the contact surfaces (10, 11) which touch the roller (12) of an adjustment lever (13). As the rocker arm (7) swings the form of the contact surface (11) causes this end of the rocker to be driven in the direction of valve opening. The longitudinal movement is introduced by a pivot (5) into the rocker arm (2) which operates the valve (1). Overflow novelty if any. An independent claim is included for.

Description

Die Erfindung bezieht sich auf mechanische, variable Hubventilsteuerungen, durch die bei Einzelventilen oder Ventilgruppen während des Betriebes der Kraftmaschine die Betätigung der Ventile stufenlos von einer maximalen Hublänge bis auf ein ständiges Geschlossenhalten eingestellt werden kann, wobei gleichzeitig die Öffnungsdauer der Ventile während eines sich verkleinernden Hubes verkürzt wird. Hierbei werden die Ventile durch Tassenstößel angetrieben, die selbst durch Druckstäbe beaufschlagt werden.The invention relates to mechanical, variable Hubventilsteuerungen by which the individual valves or valve groups during operation of the engine, the actuation of the valves can be continuously adjusted from a maximum stroke length to a constant closed keeping, at the same time the opening duration of the valves during a decreasing stroke is shortened. Here, the valves are driven by bucket tappets, which are themselves acted upon by pressure rods.

Die Aufgabe der Erfindung besteht darin, mit einer einfachen, Raum und Masse einsparenden Mechanik, Hubventilsteuerungen herstellen zu können, die obige Aufgabe erfüllen.The object of the invention is to be able to produce with a simple, space and mass saving mechanism, Hubventilsteuerungen, fulfill the above task.

Die Hubventilsteuerungen sind für drosselfreie Laststeuerungen und für Ventil- und Zylinderabschaltungen einsetzbar, da diese ein ständiges Geschlossenhalten der Ventile herstellen können.The Hubventilsteuerungen can be used for throttle-free load controls and for valve and cylinder shutdowns, as they can establish a constant closed keeping the valves.

Ein oder mehrere Ventile können durch die Hubventilsteuerungen abwechselnd durch unterschiedliche Nocken angetrieben werden, wobei die Umschaltung ohne den Einsatz eines schaltbaren Koppelbolzens erfolgt.One or more valves can be driven by the Hubventilsteuerungen alternately by different cams, wherein the switching takes place without the use of a switchable coupling pin.

Fig. 1 zeigt eine Hubventilsteuerung mit einem das Ventil betätigenden Tassenstößel, der über ein Drehgelenk von einem Druckstab angetrieben wird, wobei der Druckstab für seinen Antrieb mittels seiner Kontaktflächen in die Rolle eines Stellhebels eingreift. Fig. 1 shows a Hubventilsteuerung with a valve-actuating bucket tappet, which is driven by a pivoting joint of a push rod, wherein the push rod engages for its drive by means of its contact surfaces in the role of a control lever.

Fig. 1 zeigt eine im Zylinderkopf angeordnete Hubventilsteuerung für eine stufenlose Veränderung des Ventilhubes und ein ständiges Geschlossenhalten des Ventiles 26 während des Betriebes der Kraftmaschine. Fig. 1 shows a cylinder head arranged in the Hubventilsteuerung for a stepless change of the valve lift and a continuous keep closed the Valves 26 during operation of the engine.

Das Ventil 26 wird über einen Tassenstößel 27 betätigt, der auch als Ventilspiel-Ausgleichselement ausgebildet sein kann. Der Tassenstößel 27 weist auf seiner Oberseite einen Lagerbock 28 für eine Lagerhalbschale 29 auf, in die ein an dem unteren Ende eines Druckstabes 30 angeordneter Achsbolzen 31 eingreift, wodurch ein Drehgelenk 32 für eine einfache Montage gebildet wird. An seinem oberen Ende weist der Druckstab 30 die etwa senkrecht zu seiner Längsachse verlaufenden Kontaktflächen 33 und 34 auf, die in eine Rolle 35 eines den Druckstab 30 umschließenden Stellhebels 36 eingreifen. Zwischen seinen Enden weist der Druckstab 30 eine Nockenrolle 37 auf, über die der Druckstab 30 von einem Nocken 38 in eine Schwingbewegung versetzt wird. Der oben die Rolle 35 aufweisende Stellhebel 36 ist unten in Drehgelenken 39 gelagert, die in mit dem Zylinderkopf 40 verbundenen Haltern 41 angeordnet sind, wobei die Drehachse dieser Drehgelenke 39 gleich der Drehachse des gemeinsamen Drehgelenkes 32 des Lagerbockes 28 und des Druckstabes 30 ist, wenn das Ventil 26 geschlossen ist. Die auf dem Druckstab 30 angeordnete Kontaktfläche 33 ist kreisförmig nach außen gewölbt ausgebildet, wobei der Radius R1 der Kontaktfläche 33 als Mittelpunkt die Drehachse des zu dem Druckstab 30 gehörenden Drehgelenkes 32 aufweist. Hierdurch wird ein ständiges Geschlossenhalten des Ventiles 26 dadurch erzielt, dass der Druckstab 30 nicht in eine Längsbewegung angetrieben wird, wenn die Kontaktfläche 33 während der Schwingbewegung des Druckstabes 30 in die Rolle 35 des Stellhebels 36 eingreift. Die auf dem Stellhebel 36 angeordnete Kontaktfläche 34 weist eine nach innen gerichtete Krümmung auf, welche die Kontaktfläche 33 überragt, wodurch während der Schwingbewegung des Druckstabes 30 mittels des Eingriffs seiner Kontaktfläche 34 in die Rolle 35 des Stellhebels 36 der Druckstab 30 in eine Längsbewegung angetrieben wird und der Tassenstößel 27, über das Drehgelenk 32 angetrieben, das Ventil 26 betätigt.The valve 26 is actuated by a bucket tappet 27 , which may also be designed as a valve clearance compensation element. The bucket tappet 27 has on its upper side a bearing block 28 for a bearing half-shell 29 into which engages a arranged at the lower end of a push rod 30 axle 31 , whereby a rotary joint 32 is formed for easy assembly. At its upper end, the pressure rod 30 has approximately perpendicular to its longitudinal axis extending contact surfaces 33 and 34 which engage in a roller 35 of the pressure rod 30 enclosing the adjusting lever 36 . Between its ends, the push rod 30 has a cam roller 37 via which the push rod 30 is set by a cam 38 in a swinging motion. The above the roller 35 having adjusting lever 36 is mounted below in pivots 39 which are arranged in connected to the cylinder head 40 holders 41 , wherein the axis of rotation of these hinges 39 is equal to the axis of rotation of the common pivot 32 of the bearing block 28 and the push rod 30 when the valve 26 is closed. The arranged on the pressure rod 30 contact surface 33 is formed curved in a circular outward, wherein the radius R1 of the contact surface 33 as the center of the axis of rotation of the pressure rod 30 belonging to the rotary joint 32 has. As a result, a continuous keeping closed of the valve 26 is achieved in that the pressure rod 30 is not driven in a longitudinal movement when the contact surface 33 engages during the swinging movement of the push rod 30 in the roller 35 of the actuating lever 36 . The arranged on the lever 36 contact surface 34 has an inwardly directed curvature, which projects beyond the contact surface 33 , whereby during the swinging movement of the push rod 30 by means of engagement of its contact surface 34 in the roller 35 of the control lever 36 of the push rod 30 is driven in a longitudinal movement and the bucket tappet 27 driven by the pivot 32 actuates the valve 26 .

Der Stellhebel 36 weist für seine Verstellung eine kreisförmig um die Drehachse seiner Drehgelenke 39 verlaufende Verzahnung 42 mit dem Teilkreisradius R2 auf, in die ein Zahnrad 43 einer Steuerwelle 44 eingreift.The adjusting lever 36 has for its adjustment a circular about the axis of rotation of its hinges 39 extending teeth 42 with the pitch radius R2 , in which a gear 43 of a control shaft 44 engages.

In der dargestellten Position A des Stellhebels 36 ist der maximale Ventilhub und in der Position B des Stellhebels 36 ist ein ständiges Geschlossenhalten des Ventiles 26 eingestellt.In the illustrated position A of the control lever 36 is the maximum valve lift and in the position B of the control lever 36 is a constant keep closed the valve 26 set.

Wird während der Schwingbewegung des Druckstabes 30 der Stellhebel 36 von der Position des ständigen Geschlossenhaltens des Ventiles 26 in die Position des größten Ventilhubes gestellt, beginnt die Kontaktfläche 34 des Druckstabes 30 in die Rolle 35 des Stellhebels 36 mit einer kurzen Wegstrecke einzugreifen, wodurch eine Ventilbetätigung mit einem kleinen Ventilhub in einer kurzen Öffnungszeit bewirkt wird. Hiernach vergrößert sich stufenlos mit den hierbei erfolgenden weitergehenden Eingriffen der Kontaktfläche 34 in die Rolle 35 der Ventilhub, wobei sich gleichzeitig stufenlos die Ventilöffnungszeit verlängert.If, during the oscillating movement of the pressure rod 30, the adjusting lever 36 is set from the position of the continuous closing of the valve 26 in the position of the largest valve lift, the contact surface 34 of the pressure rod 30 begins to engage in the roller 35 of the actuating lever 36 with a short distance, whereby a valve actuation is effected with a small valve lift in a short opening time. After that increases continuously with the case taking place further interventions of the contact surface 34 in the roller 35 of the valve lift, at the same time continuously increases the valve opening time.

Da während der Einstellung eines kleinen Ventilhubes und eines ständigen Geschlossenhaltens des Ventiles 26 von der Ventilfeder 45 keine ausreichende Kraft auf den Tassenstößel 27 übertragen wird, durch welche die Nockenrolle 37 gegen den Nocken 38 gedrückt wird, sind beiderseitig von dem Druckstab 30 Drehfedern 46 angeordnet, deren Windungen durch den Achsbolzen 31 des Drehgelenkes 32 geführt sind und deren Schenkelenden zum einen in Widerlager 47 des Druckstabes 30 und zum anderen in Widerlager 48 der an dem Zylinderkopf 40 befestigten, für die Drehgelenke 39 des Stellhebels 36 vorgesehenen Halter 41 eingreifen.Since during the adjustment of a small valve lift and a constant closed keeping of the valve 26 from the valve spring 45 no sufficient force is transmitted to the bucket tappet 27 , through which the cam roller 37 is pressed against the cam 38 , 30 torsional springs 46 are arranged on both sides of the push rod, whose turns are guided by the pivot pin 31 of the rotary joint 32 and whose leg ends engage on the one hand in abutment 47 of the push rod 30 and on the other in abutment 48 of the cylinder head 40 fixed, provided for the hinges 39 of the control lever 36 holder 41 .

Ist der Tassenstößel 27 nicht als Ventilspiel-Ausgleichselement ausgebildet, kann für eine Ventilspieleinstellung zwischen dem Lagerbock 28 und dem Tassenstößel 27 eine Einstellscheibe vorgesehen werden oder ein Lagerbock 28 mit einem angepassten Höhenmaß aufgesetzt werden.If the tappet 27 is not designed as a valve clearance compensation element, a dial can be provided for a valve clearance adjustment between the bearing block 28 and the cup tappet 27 , or a bearing block 28 can be placed with an adapted height dimension.

Es lassen sich viele Systeme von Hubventilsteuerungen durch geänderte Zusammenstellungen der hierin aufgeführten Konstruktionsteile erarbeiten.Many systems of lift valve controls can be devised by changing assemblies of the design parts listed herein.

Die Hubventilsteuerung der Fig. 1 kann derartig gestaltet werden, dass der Druckstab 30 das Ventil 26 über einen Schwinghebel oder direkt betätigt.The Hubventilsteuerung the Fig. 1 can be designed such that the pressure rod 30, the valve 26 via a rocker arm or directly operated.

Claims (5)

Hubventilsteuerung für eine stufenlose Veränderung des Ventilhubes und ein ständiges Geschlossenhalten des Ventiles (26) während des Betriebes der Kraftmaschine mit einem über eine Nockenrolle (37) von einem Nocken (38) angetriebenen Druckstab (30), dadurch gekennzeichnet, dass der Druckstab (30) an einem Stabende etwa senkrecht zu der Längsachse des Druckstabes (30) verlaufende Kontaktflächen (33 und 34) aufweist, die in die Rolle (35) eines Stellhebels (36) eingreifen, wobei während der Schwingbewegung des Druckstabes (30) durch die Formgebung der Kontaktfläche (34) der Druckstab (30) in seine Längsrichtung, in die Richtung der Ventilöffnung angetrieben wird und diese Längsbewegungen über ein an dem anderen Stabende des Druckstabes (30) angeordnetes Drehgelenk (32) in einen das Ventil (26) betätigenden Tassenstößel (27) eingeleitet werden.Valve stroke controller for a continuously variable change of the valve stroke and constantly closed holding the valve (26) during operation of the combustion engine with a via a cam roller (37) by a cam driven (38) push rod (30), characterized in that the pressure bar (30) at a rod end approximately perpendicular to the longitudinal axis of the push rod (30) extending contact surfaces (33 and 34) which engage in the roller (35) of a control lever (36) , wherein during the oscillatory movement of the push rod (30) by the shape of the contact surface (34) the pressure rod (30) in its longitudinal direction, is driven in the direction of the valve opening and this longitudinal movements via a arranged at the other rod end of the push rod (30) swivel joint (32) in a valve (26) actuating the bucket tappet (27) be initiated. Hubventilsteuerung nach Anspruch 1, dadurch gekennzeichnet, dass die für ein ständiges Geschlossenhalten des Ventiles (26) vorgesehene, auf dem Druckstab (30) angeordnete Kontaktfläche (33) kreisförmig um die Drehachse des gemeinsamen Drehgelenkes (32) des Druckstabes (30) und des Tassenstößels (27) verläuft, wobei das gemeinsame Drehgelenk (32) des Druckstabes (30) und des Tassenstößels (27) mit den in Haltern (41) des Zylinderkopfes (40) gelagerten Drehgelenken (39) des Stellhebels (36) eine gemeinsame Drehachse besitzen, wenn das Ventil (26) geschlossen ist.A globe valve control according to claim 1, characterized in that the contact surface (33) provided for keeping the valve (26) permanently closed, arranged on the push rod (30 ) is circular about the axis of rotation of the common pivot (32) of the push rod (30) and the bucket tappet (27) extends, wherein the common pivot (32) of the push rod (30) and the bucket tappet (27) with the holders (39) of the control lever (36) mounted in holders (41) of the cylinder head (40) have a common axis of rotation, when the valve (26) is closed. Hubventilsteuerung nach Anspruch 1, dadurch gekennzeichnet, dass der Stellhebel (13, 36, 59 und 136) für seine Verstellung eine kreisförmig um die Drehachse seines Drehgelenkes (15, 39, 62 und 138) verlaufende Verzahnung (19, 42, 65 und 142) aufweist, in die ein Zahnrad (20, 43, 66 und 143) einer Steuerwelle (21, 44, 67 und 144) eingreift.Lifting valve control according to claim 1, characterized in that the adjusting lever (13, 36, 59 and 136) for its adjustment a circular about the axis of rotation of its rotary joint (15, 39, 62 and 138) extending toothing (19, 42, 65 and 142) in which a gear (20, 43, 66 and 143) of a control shaft (21, 44, 67 and 144) engages. Hubventilsteuerungen nach Anspruch 3, dadurch gekennzeichnet, dass für die Aufhebung eines Flankenspiels zwischen der Verzahnung (19, 42, 65 und 142) und dem Zahnrad (20, 43, 66 und 143) das Zahnrad (20, 43, 66 und 143) aus zwei nebeneinander liegenden Zahnrädern ausgebildet ist, wobei ein Zahnrad mit der Steuerwelle (21, 44, 67 und 144) fest verbunden ist, während das andere Zahnrad drehbar auf der Steuerwelle (21, 44, 67 und 144) gelagert ist und durch eine Drehfeder beaufschlagt wird, wodurch ein einander entgegengerichteter Eingriff in die Zahnflanken erfolgt.Hubventilsteuerungen according to claim 3, characterized in that for the reversal of a backlash between the teeth (19, 42, 65 and 142) and the gear (20, 43, 66 and 143), the gear (20, 43, 66 and 143) two adjacent gears is formed, wherein a gear with the Control shaft (21, 44, 67 and 144) is fixedly connected, while the other gear is rotatably mounted on the control shaft (21, 44, 67 and 144) and is acted upon by a torsion spring, whereby a mutually opposite engagement takes place in the tooth flanks. Hubventilsteuerungen nach Anspruch 1, dadurch gekennzeichnet, dass die Nockenrollen (8, 37, 61, 84, 98, 99, 126 und 127) sowie die Rollen (12, 35, 56, 79, 104 und 137) durch Gleitflächen aufweisende Bauteile ersetzt sind.Hubventilsteuerungen according to claim 1, characterized in that the cam rollers (8, 37, 61, 84, 98, 99, 126 and 127) and the rollers (12, 35, 56, 79, 104 and 137) are replaced by sliding surfaces having components ,
EP09015482A 2001-11-06 2002-10-25 Variable lifting valve control Withdrawn EP2163736A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10155007A DE10155007A1 (en) 2001-11-06 2001-11-06 Valve stroke
EP02785308A EP1446561B1 (en) 2001-11-06 2002-10-25 Variable lift valve controller

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP02785308.4 Division 2002-10-25

Publications (1)

Publication Number Publication Date
EP2163736A1 true EP2163736A1 (en) 2010-03-17

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EP02785308A Expired - Lifetime EP1446561B1 (en) 2001-11-06 2002-10-25 Variable lift valve controller
EP09015482A Withdrawn EP2163736A1 (en) 2001-11-06 2002-10-25 Variable lifting valve control

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Application Number Title Priority Date Filing Date
EP02785308A Expired - Lifetime EP1446561B1 (en) 2001-11-06 2002-10-25 Variable lift valve controller

Country Status (6)

Country Link
US (2) US7467609B2 (en)
EP (2) EP1446561B1 (en)
AT (1) ATE453782T1 (en)
DE (2) DE10155007A1 (en)
ES (1) ES2339106T3 (en)
WO (1) WO2003040526A1 (en)

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ATE510999T1 (en) * 2007-06-07 2011-06-15 Manousos Pattakos DESMODROMIC VARIABLE VALVE ACTUATION
US20100059005A1 (en) * 2008-09-08 2010-03-11 Stone Albert C Method and apparatus for adjusting variable valve lift
JP5115747B2 (en) * 2009-02-13 2013-01-09 スズキ株式会社 Variable valve operating device for internal combustion engine
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DE2335632A1 (en) * 1973-07-13 1975-01-30 Daimler Benz Ag VALVE ADJUSTMENT FOR COMBUSTION MACHINERY
US5119773A (en) * 1988-10-01 1992-06-09 Peter Kuhn Apparatus for operating the valves on internal combustion engines with a variable valve lift curve
US4986227A (en) * 1990-05-08 1991-01-22 Dewey Iii Albert B Variable lift valve train
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DE4322449A1 (en) * 1993-07-06 1995-02-02 Kuhn Peter Prof Dr Ing Device for the actuation of valves on internal combustion engines with variable valve lifting cam
WO1998003778A1 (en) * 1996-07-20 1998-01-29 Dieter Reitz Valve drive system and cylinder head for an internal combustion engine
DE19708484A1 (en) * 1997-03-03 1998-09-10 Bayerische Motoren Werke Ag Device for changing valve motion of lifting valve, especially for gas shuttle valve
EP1050669A2 (en) * 1999-05-05 2000-11-08 Adam Opel Ag Valve driving arrangement with variable lift for an internal combustion engine
WO2002053881A1 (en) * 2001-01-04 2002-07-11 Fev Motorentechnik Gmbh Fully variable mechanical valve gear for a piston internal combustion engine

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US7467609B2 (en) 2008-12-23
EP1446561A1 (en) 2004-08-18
US7891327B2 (en) 2011-02-22
DE10155007A1 (en) 2003-05-15
ATE453782T1 (en) 2010-01-15
DE50214139D1 (en) 2010-02-11
US20090095243A1 (en) 2009-04-16
EP1446561B1 (en) 2009-12-30
ES2339106T3 (en) 2010-05-17
US20040226525A1 (en) 2004-11-18

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