EP0881364B1 - Manufacture of a variable phase device comprising a rotor and a vane, particularly for internal combustion engines camshafts - Google Patents

Manufacture of a variable phase device comprising a rotor and a vane, particularly for internal combustion engines camshafts Download PDF

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Publication number
EP0881364B1
EP0881364B1 EP98107358A EP98107358A EP0881364B1 EP 0881364 B1 EP0881364 B1 EP 0881364B1 EP 98107358 A EP98107358 A EP 98107358A EP 98107358 A EP98107358 A EP 98107358A EP 0881364 B1 EP0881364 B1 EP 0881364B1
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EP
European Patent Office
Prior art keywords
adjustment
adjusting unit
adjustment unit
impeller
camshaft
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EP98107358A
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German (de)
French (fr)
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EP0881364A1 (en
Inventor
Johannes Meyer
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Bayerische Motoren Werke AG
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Bayerische Motoren Werke AG
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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
    • F01L1/3442—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 using hydraulic chambers with variable volume to transmit the rotating force

Definitions

  • the invention relates to a method for producing an impeller and a rotary valve adjustment unit formed, in particular for Camshafts of internal combustion engines, wherein according to the preamble of Claim 1 as a starting point, a first adjustment unit with a first Angle of rotation adjustment range and a second adjustment unit with a second adjustment range serves, each equipped with a locking device for locking the respective impeller with the respective cellular wheel, the impeller of one Adjustment unit at the beginning of adjustment and the impeller of the other adjustment unit Adjusting end can be locked.
  • each camshaft is assigned a separate angle adjustment unit.
  • Adjustment units of the vane type are for example from the US 4,858,572 and DE 39 37 644 A are known, each vane adjustment unit depending on the use for an intake or an exhaust camshaft Has camshaft angle of rotation adjustment range.
  • the invention is based, vane adjustment units for single and task To design exhaust camshafts so that by combining an impeller one adjustment unit with a cellular wheel of the other adjustment unit a third adjustment unit is achieved without additional manufacturing measures.
  • a third adjustment unit is produced from the impeller of the first adjustment unit and the cellular wheel of the second adjustment unit, the cellular wheel of this first adjustment unit, the beginning or the end of the corresponding adjustment range with the start or end of the adjustment range second adjustment unit is chosen identically, the impeller with the cellular wheel locked at the beginning or end of the adjustment.
  • a new adjustment unit for is advantageously simple achieved an intake or an exhaust camshaft.
  • the third adjustment unit is made from the impeller for an intake camshaft an internal combustion engine provided first adjustment unit with an adjustment range of approx. 40 ° camshaft rotation angle and from the cellular wheel for an exhaust camshaft of an internal combustion engine provided second adjustment unit with an adjustment range of approx. 30 ° camshaft rotation angle, whereby Impeller and cellular wheel via a hydraulically controllable locking pin Start the adjustment of the locked adjustment unit for another intake camshaft with a camshaft rotation angle of 30 °.
  • the third Adjustment unit is made from the impeller for an exhaust camshaft an internal combustion engine provided second adjustment unit with an adjustment range of approx. 30 ° NW rotation angle and from the cellular wheel for an intake camshaft an internal combustion engine provided with the first adjustment unit an adjustment range of approx. 40 ° NW rotation angle, with impeller and cellular wheel via a hydraulically controllable locking pin of the locking device to one end of adjustment locked adjustment unit for another exhaust camshaft form with a camshaft rotation angle of 40 °.
  • first adjustment unit 1 with a first angle of rotation adjustment range V 1 and a second adjustment unit 2 with a second adjustment range V 2 , each equipped with a locking device 3 for locking a respective impeller 4, 4 'with a respective cellular wheel 5, 5' are.
  • Each cellular wheel 5, 5 ' comprises at least one cell 6, 6' adapted to the respective adjustment range V 1 or V 2 , each of which is subdivided into chambers which can be acted upon hydraulically on both sides by a wing 7, 7 'of the impeller 4, 4' this is known, for example, from the documents of US 4,858,572 or DE 39 37 644 A already mentioned at the beginning.
  • the drawing also shows that the impeller 4 according to FIGS. 1 and 4 of the adjustment unit 1 can be locked at the start of adjustment VB 1 and the impeller 4 'of the adjustment unit 2 of FIGS. 2 and 5 can be locked at the adjustment end VE 2 .
  • the vane adjustment unit 1 provided for example for an inlet camshaft with a relatively large angle of rotation adjustment range V 1 and the adjustment unit 2 provided for the same engine for the exhaust camshaft with a smaller adjustment range V 2 are according to FIGS designed that a third vane adjustment unit 8 according to FIG.
  • the combination according to the invention of the vane cell adjustment units 1 and 2, which are identical in their geometrical dimensions with the exception of the adjustment ranges V 1 and V 2, advantageously enables a method for manufacturing a third adjustment unit 8, which due to its locking at the start of adjustment VA 2 , without any additional manufacturing measures VB 1 relative to the direction of rotation of the cellular wheel 5 'in the clockwise direction is recognizable as a late locking, which is typical for an intake camshaft, as shown in FIG.
  • FIG. 2 shows the vane-cell adjustment unit 2 designed for an exhaust camshaft, with an impeller 4 'locked in the start area of the internal combustion engine relative to the direction of rotation clockwise to the adjustment end VE 2 in the "early position".
  • the third adjustment unit 8 is preferably produced from the impeller 4 of the first adjustment unit 1 provided for an intake camshaft of an internal combustion engine, not shown, with an adjustment range V 1 of approximately 40 ° camshaft rotation angle and from the cellular wheel 5 'connected to a drive wheel 9'.
  • the provided for an exhaust camshaft of an internal combustion engine, not shown, second adjustment unit 2 with an adjustment range V 2 of approximately 30 ° camshaft angle of rotation, the impeller 4 and cellular wheel 5 'via a hydraulically controllable locking bolt 10 of the locking device 3 at the start of adjustment VA 2 B 1 locked adjustment unit 8 for a further intake camshaft form with a camshaft rotation angle of 30 °.
  • FIG. 4 shows the vane-cell adjustment unit 1 designed for an intake camshaft, with an impeller 4 locked in the "late position" in the "start” position of the internal combustion engine relative to the direction of rotation clockwise at the start of adjustment VB 1 .

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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

Die Erfindung bezieht sich auf ein Verfahren zur Herstellung einer aus einem Flügelrad und einem Zellenrad gebildeten Drehwinkel-Verstelleinheit, insbesondere für Nockenwellen von Brennkraftmaschinen, wobei gemäß dem Oberbegriff des Patentanspruches 1 als Ausgangspunkt eine erste Verstelleinheit mit einem ersten Drehwinkel-Verstellbereich und eine zweite Verstelleinheit mit einem zweiten Verstellbereich dient, jeweils ausgerüstet mit einer Sperreinrichtung zum Verriegeln des jeweiligen Flügelrades mit dem jeweiligen Zellenrad, wobei das Flügelrad der einen Verstelleinheit zu Verstellbeginn und das Flügelrad der anderen Verstelleinheit zu Verstell-Ende verriegelbar ist.The invention relates to a method for producing an impeller and a rotary valve adjustment unit formed, in particular for Camshafts of internal combustion engines, wherein according to the preamble of Claim 1 as a starting point, a first adjustment unit with a first Angle of rotation adjustment range and a second adjustment unit with a second adjustment range serves, each equipped with a locking device for locking the respective impeller with the respective cellular wheel, the impeller of one Adjustment unit at the beginning of adjustment and the impeller of the other adjustment unit Adjusting end can be locked.

Bei leistungsfähigen Brennkraftmaschinen mit gesonderten Nockenwellen für den Einlaß und den Auslaß wird zur Erzielung eines optimalen Motor-Managements jeder Nockenwelle eine gesonderte Drehwinkel-Verstelleinheit zugeordnet. Derartige Verstelleinheiten von der Flügelzellen-Bauart sind beispielsweise aus der US 4,858,572 und der DE 39 37 644 A bekannt, wobei jede Flügelzellen-Verstelleinheit je nach Verwendung für eine Einlaß- oder eine Auslaß-Nockenwelle einen angepaßten Nockenwellen-Drehwinkel-Verstellbereich aufweist. In powerful internal combustion engines with separate camshafts for the Inlet and outlet are used for optimal engine management each camshaft is assigned a separate angle adjustment unit. such Adjustment units of the vane type are for example from the US 4,858,572 and DE 39 37 644 A are known, each vane adjustment unit depending on the use for an intake or an exhaust camshaft Has camshaft angle of rotation adjustment range.

Der Erfindung liegt die Aufgabe zugrunde, Flügelzellen-Verstelleinheiten für Einund Auslaß-Nockenwellen derart zu gestalten, daß durch Kombination eines Flügelrades der einen Verstelleinheit mit einem Zellenrad der anderen Verstelleinheit eine dritte Verstelleinheit ohne zusätzliche Herstellmaßnahmen erzielt ist.The invention is based, vane adjustment units for single and task To design exhaust camshafts so that by combining an impeller one adjustment unit with a cellular wheel of the other adjustment unit a third adjustment unit is achieved without additional manufacturing measures.

Diese Aufgabe ist mit dem Patentanspruch 1 gelöst, und zwar in der Weise, daß eine dritte Verstelleinheit hergestellt wird aus dem Flügelrad der ersten Verstelleinheit und dem Zellenrad der zweiten Verstelleinheit, wobei beim Zellenrad dieser ersten Verstelleinheit der Anfang oder das Ende des entsprechenden Verstellbereiches mit dem Verstellbeginn oder dem Verstell-Ende des Verstellbereiches jener zweiten Verstelleinheit identisch gewählt ist, wobei das Flügelrad mit dem Zellenrad zu Verstellbeginn oder zu Verstell-Ende verriegelt ist.This object is achieved with claim 1, in such a way that A third adjustment unit is produced from the impeller of the first adjustment unit and the cellular wheel of the second adjustment unit, the cellular wheel of this first adjustment unit, the beginning or the end of the corresponding adjustment range with the start or end of the adjustment range second adjustment unit is chosen identically, the impeller with the cellular wheel locked at the beginning or end of the adjustment.

Mit der Erfindung wird in vorteilhaft einfacher Weise eine neue Verstelleinheit für eine Einlaß- oder eine Auslaß-Nockenwelle erzielt.With the invention, a new adjustment unit for is advantageously simple achieved an intake or an exhaust camshaft.

In einer ersten Ausgestaltung des Verfahrens wird hierfür vorgeschlagen, daß die dritte Verstelleinheit hergestellt wird aus dem Flügelrad der für eine Einlaß-Nockenwelle einer Brennkraftmaschine vorgesehenen ersten Verstelleinheit mit einem Verstellbereich von ca. 40° Nockenwellen-Drehwinkel und aus dem Zellenrad der für eine Auslaß-Nockenwelle einer Brennkraftmaschine vorgesehenen zweiten Verstelleinheit mit einem Verstellbereich von ca. 30° Nockenwellen-Drehwinkel, wobei Flügelrad und Zellenrad über einen hydraulisch steuerbaren Sperrbolzen eine zu Verstellbeginn verriegelte Verstelleinheit für eine weitere Einlaß-Nockenwelle bilden mit einem Nockenwellen-Drehwinkel von 30°.In a first embodiment of the method it is proposed that the third adjustment unit is made from the impeller for an intake camshaft an internal combustion engine provided first adjustment unit with an adjustment range of approx. 40 ° camshaft rotation angle and from the cellular wheel for an exhaust camshaft of an internal combustion engine provided second adjustment unit with an adjustment range of approx. 30 ° camshaft rotation angle, whereby Impeller and cellular wheel via a hydraulically controllable locking pin Start the adjustment of the locked adjustment unit for another intake camshaft with a camshaft rotation angle of 30 °.

In einer zweiten Ausgestaltung des Verfahrens wird vorgeschlagen, daß die dritte Verstelleinheit hergestellt wird aus dem Flügelrad der für eine Auslaß-Nockenwelle einer Brennkraftmaschine vorgesehenen zweiten Verstelleinheit mit einem Verstellbereich von ca. 30°NW-Drehwinkel und aus dem Zellenrad der für eine Einlaß-Nockenwelle einer Brennkraftmaschine vorgesehenen ersten Verstelleinheit mit einem Verstellbereich von ca. 40°NW-Drehwinkel, wobei Flügelrad und Zellenrad über einen hydraulisch steuerbaren Sperrbolzen der Sperreinrichtung eine zu Verstell-Ende verriegelte Verstelleinheit für eine weitere Auslaß-Nockenwelle bilden mit einem Nockenwellen-Drehwinkel von 40°.In a second embodiment of the method it is proposed that the third Adjustment unit is made from the impeller for an exhaust camshaft an internal combustion engine provided second adjustment unit with an adjustment range of approx. 30 ° NW rotation angle and from the cellular wheel for an intake camshaft an internal combustion engine provided with the first adjustment unit an adjustment range of approx. 40 ° NW rotation angle, with impeller and cellular wheel via a hydraulically controllable locking pin of the locking device to one end of adjustment locked adjustment unit for another exhaust camshaft form with a camshaft rotation angle of 40 °.

Die Erfindung ist anhand von in der Zeichnung schematisch dargestellten Flügelzellen-Verstelleinheiten beschrieben. Es zeigt

Figur 1, 4
eine Flügelzellen-Verstelleinheit mit einem Zellenrad und einem gesondert dargestellten Flügelrad für einen großen Verstellbereich,
Figur 2, 5
eine Flügelzellen-Verstelleinheit mit einem Zellenrad und einem gesondert dargestellten Flügelrad für einen kleinen Verstellbereich und
Figur 3, 6
die erfindungsgemäß aus dem Flügelrad der Figur 1 bzw. 5 und dem Zellenrad der Figur 2 bzw. 4 kombinierte Flügelzellen-Verstelleinheit.
The invention is described with the aid of vane adjustment units shown schematically in the drawing. It shows
Figure 1, 4th
a vane adjustment unit with a cell wheel and a separately shown impeller for a large adjustment range,
Figure 2, 5
a vane adjustment unit with a cell wheel and a separately shown impeller for a small adjustment range and
Figure 3, 6
the vane adjustment unit combined according to the invention from the impeller of Figures 1 and 5 and the cellular wheel of Figures 2 and 4.

Gegeben ist eine erste Verstelleinheit 1 mit einem ersten Drehwinkel-Verstellbereich V1 und eine zweite Verstelleinheit 2 mit einem zweiten Verstellbereich V2, die jeweils mit einer Sperreinrichtung 3 zum Verriegeln eines jeweiligen Flügelrades 4, 4' mit einem jeweiligen Zellenrad 5, 5' ausgerüstet sind. Jedes Zellenrad 5, 5' umfaßt mindestens eine dem jeweiligen Verstellbereich V1 bzw. V2 angepaßte Zelle 6, 6', von denen jede durch einen Flügel 7, 7' des Flügelrades 4, 4' in beidseitig hydraulisch beaufschlagbare Kammern unterteilt ist, wie dies aus den bereits eingangs genannten Dokumenten der US 4,858,572 oder der DE 39 37 644 A beispielsweise bekannt ist.There is a first adjustment unit 1 with a first angle of rotation adjustment range V 1 and a second adjustment unit 2 with a second adjustment range V 2 , each equipped with a locking device 3 for locking a respective impeller 4, 4 'with a respective cellular wheel 5, 5' are. Each cellular wheel 5, 5 'comprises at least one cell 6, 6' adapted to the respective adjustment range V 1 or V 2 , each of which is subdivided into chambers which can be acted upon hydraulically on both sides by a wing 7, 7 'of the impeller 4, 4' this is known, for example, from the documents of US 4,858,572 or DE 39 37 644 A already mentioned at the beginning.

Weiter ist der Zeichnung zu entnehmen, daß das Flügelrad 4 gemäß Figuren 1 und 4 der Verstelleinheit 1 zu Verstellbeginn VB1 und das Flügelrad 4' der Verstelleinheit 2 der Figuren 2 und 5 zu Verstell-Ende VE2 verriegelbar ist.The drawing also shows that the impeller 4 according to FIGS. 1 and 4 of the adjustment unit 1 can be locked at the start of adjustment VB 1 and the impeller 4 'of the adjustment unit 2 of FIGS. 2 and 5 can be locked at the adjustment end VE 2 .

Erfindungsgemäß sind die gemäß Figuren 1 bis 3 beispielsweise für eine Einlaß-Nockenwelle vorgesehene Flügelzellen-Verstelleinheit 1 mit einem relativ großen Drehwinkel-Verstellbereich V1 und die für eine am gleichen Motor für die Auslaß-Nockenwelle vorgesehene Verstelleinheit 2 mit einem geringeren Verstellbereich V2 derart gestaltet, daß eine gemäß Figur 3 dritte Flügelzellen-Verstelleinheit 8 hergestellt wird aus dem Flügelrad 4 der ersten Verstelleinheit 1 und dem Zellenrad 5' der zweiten Verstelleinheit 2, wobei beim Zellenrad 5' der zweiten Verstelleinheit 2 der Anfang VA2 des entsprechenden Verstellbereiches V2 mit dem Verstellbeginn VB1 des Verstellbereiches V1 der ersten Verstelleinheit 1 identisch gewählt ist, wobei das Flügelrad 4 der Verstelleinheit 1 mit dem Zellenrad 5' der zweiten Verstelleinheit 2 zu Verstellbeginn VB1 bzw. VA2 verriegelt ist.According to the invention, the vane adjustment unit 1 provided for example for an inlet camshaft with a relatively large angle of rotation adjustment range V 1 and the adjustment unit 2 provided for the same engine for the exhaust camshaft with a smaller adjustment range V 2 are according to FIGS designed that a third vane adjustment unit 8 according to FIG. 3 is produced from the impeller 4 of the first adjustment unit 1 and the cellular wheel 5 'of the second adjustment unit 2, with the beginning VA 2 of the corresponding adjustment range V 2 in the cellular wheel 5' of the second adjustment unit 2 with the start of adjustment VB 1 of the adjustment range V 1 of the first adjustment unit 1 is chosen to be identical, the impeller 4 of the adjustment unit 1 being locked with the cellular wheel 5 'of the second adjustment unit 2 at the start of adjustment VB 1 or VA 2 .

Die erfindungsgemäße Kombination der mit Ausnahme der Verstellbereiche V1 und V2 in ihren geometrischen Abmessungen identischen Flügelzellen-Verstelleinheiten 1 und 2 ermöglicht in vorteilhafter Weise ohne weitere zusätzliche Herstellmaßnahmen ein Verfahren zur Herstellung einer dritten Verstelleinheit 8, die aufgrund ihrer Verriegelung zu Verstellbeginn VA2 = VB1 relativ zu der Drehrichtung des Zellenrades 5' im Uhrzeigersinn als für eine Einlaß-Nockenwelle typische Spät-Verriegelung erkennbar ist, wie in Figur 1 dargestellt. Figur 2 zeigt die für eine Auslaß-Nockenwelle konzipierte Flügelzellen-Verstelleinheit 2 mit einem im Startbereich der Brennkraftmaschine relativ zur Drehrichtung im Uhrzeigersinn zum Verstell-Ende VE2 in "Früh-Stellung" verriegelten Flügelrad 4'.The combination according to the invention of the vane cell adjustment units 1 and 2, which are identical in their geometrical dimensions with the exception of the adjustment ranges V 1 and V 2, advantageously enables a method for manufacturing a third adjustment unit 8, which due to its locking at the start of adjustment VA 2 =, without any additional manufacturing measures VB 1 relative to the direction of rotation of the cellular wheel 5 'in the clockwise direction is recognizable as a late locking, which is typical for an intake camshaft, as shown in FIG. FIG. 2 shows the vane-cell adjustment unit 2 designed for an exhaust camshaft, with an impeller 4 'locked in the start area of the internal combustion engine relative to the direction of rotation clockwise to the adjustment end VE 2 in the "early position".

Vorzugsweise wird die dritte Verstelleinheit 8 hergestellt aus dem Flügelrad 4 der für eine Einlaß-Nockenwelle einer nicht gezeigten Brennkraftmaschine vorgesehenen ersten Verstelleinheit 1 mit einem Verstellbereich V1 von ca. 40° Nockenwellen-Drehwinkel und aus dem mit einem Antriebsrad 9' verbundenen Zellenrad 5' der für eine Auslaß-Nockenwelle einer nicht gezeigten Brennkraftmaschine vorgesehenen zweiten Verstelleinheit 2 mit einem Verstellbereich V2 von ca. 30° Nockenwellen-Drehwinkel, wobei Flügelrad 4 und Zellenrad 5' über einen hydraulisch steuerbaren Sperrbolzen 10 der Sperreinrichtung 3 eine zu Verstellbeginn VA2 = B1 verriegelte Verstelleinheit 8 für eine weitere Einlaß-Nockenwelle bilden mit einem Nockenwellen-Drehwinkel von 30°.The third adjustment unit 8 is preferably produced from the impeller 4 of the first adjustment unit 1 provided for an intake camshaft of an internal combustion engine, not shown, with an adjustment range V 1 of approximately 40 ° camshaft rotation angle and from the cellular wheel 5 'connected to a drive wheel 9'. the provided for an exhaust camshaft of an internal combustion engine, not shown, second adjustment unit 2 with an adjustment range V 2 of approximately 30 ° camshaft angle of rotation, the impeller 4 and cellular wheel 5 'via a hydraulically controllable locking bolt 10 of the locking device 3 at the start of adjustment VA 2 = B 1 locked adjustment unit 8 for a further intake camshaft form with a camshaft rotation angle of 30 °.

Wie aus den Figuren 1 und 3 ersichtlich, wirkt eine am Flügelrad 4 für die Spät-Verriegelung der Verstelleinheit 1 ausgebildete Raststelle 11 mit dem im Zellenrad 5' steuerbar angeordneten Sperrbolzen 10 zusammen nach Art einer für eine Einlaß-Nockenwelle angestrebten Spät-Verriegelung. As can be seen from FIGS. 1 and 3, one acts on the impeller 4 for the late locking the adjustment unit 1 formed with the locking point 11 in the cellular wheel 5 ' controllably arranged locking pin 10 together in the manner of a for an intake camshaft targeted late locking.

In weiterer erfindungsgemäßer Ausgestaltung gemäß den Figuren 4 bis 6 sind die für eine Einlaß-Nockenwelle vorgesehene erste Flügelzellen-Verstelleinheit 1 mit einem relativ großen Drehwinkel-Verstellbereich V1 und die für eine am gleichen Motor für die Auslaß-Nockenwelle vorgesehene zweite Verstelleinheit 2 mit einem geringeren Verstellbereich V2 derart gestaltet, daß eine gemäß Figur 6 dritte Flügelzellen-Verstelleinheit 8' hergestellt werden kann aus dem Flügelrad 4' der zweiten Verstelleinheit 2 und dem Zellenrad 5 der ersten Verstelleinheit 1 dadurch, daß beim Zellenrad 5 der Verstelleinheit 1 das Ende VE1 des entsprechenden Verstellbereiches V1 mit dem Verstell-Ende VE2 des Verstellbereiches V2 der Verstelleinheit 2 identisch gewählt ist, wobei das Flügelrad 4' der Verstelleinheit 2 mit dem Zellenrad 5 der Verstelleinheit 1 zu Verstell-Ende VE1 = VE2 verriegelt ist.In a further embodiment according to the invention according to FIGS. 4 to 6, the first vane adjustment unit 1 provided for an intake camshaft has a relatively large angle of rotation adjustment range V 1 and the second adjustment unit 2 provided for a same engine for the exhaust camshaft smaller adjustment range V 2 designed such that a third vane adjustment unit 8 'according to FIG. 6 can be produced from the vane 4' of the second adjustment unit 2 and the cellular wheel 5 of the first adjustment unit 1 in that the end VE 1 of the corresponding adjustment range V 1 with the adjustment end VE 2 of the adjustment range V 2 of the adjustment unit 2 is chosen identically, the impeller 4 'of the adjustment unit 2 being locked with the cellular wheel 5 of the adjustment unit 1 to the adjustment end VE 1 = VE 2 ,

Das gemäß den Figuren 4 bis 6 getroffene erfindungsgemäße Verfahren zur Kombination der mit Ausnahme der Verstellbereiche V1 und V2 in ihren geometrischen Abmessungen identischen Flügelzellen-Verstelleinheiten 1 und 2 ermöglicht in vorteilhafter Weise ohne weitere zusätzliche Herstellmaßnahmen die Herstellung einer dritten Verstelleinheit 8', die aufgrund ihrer Verriegelung zu Verstell-Ende VE1 = VE2 relativ zu der Drehrichtung des Zellenrades 5 im Uhrzeigersinn als für eine Auslaß-Nockenwelle typische Früh-Verriegelung erkennbar ist, wie in Figur 5 dargestellt. Figur 4 zeigt die für eine Einlaß-Nockenwelle konzipierte Flügelzellen-Verstelleinheit 1 mit einem im Startbereich der Brenkraftmaschine relativ zur Drehrichtung im Uhrzeigersinn zu Verstellbeginn VB1 in "Spät-Stellung" verriegelten Flügelrad 4.The method according to the invention according to FIGS. 4 to 6 for combining the vane cell adjustment units 1 and 2, which are identical in terms of their geometrical dimensions with the exception of the adjustment areas V1 and V 2, advantageously enables the manufacture of a third adjustment unit 8 'without any additional manufacturing measures their locking to the adjustment end VE 1 = VE 2 relative to the direction of rotation of the cellular wheel 5 in the clockwise direction as early locking typical of an exhaust camshaft can be seen, as shown in FIG. FIG. 4 shows the vane-cell adjustment unit 1 designed for an intake camshaft, with an impeller 4 locked in the "late position" in the "start" position of the internal combustion engine relative to the direction of rotation clockwise at the start of adjustment VB 1 .

Damit ist eine weitere dritte Verstelleinheit 8' erzielt aus dem Flügelrad 4' der für eine Auslaß-Nockenwelle einer Brennkraftmaschine vorgesehenen zweiten Verstelleinheit 2 mit einem Verstellbereich V2 von ca. 30°NW-Drehwinkel und aus dem Zellenrad 5 der für eine Einlaß-Nockenwelle einer Brennkraftmaschine vorgesehenen ersten Verstelleinheit 1 mit einem Verstellbereich V1 von ca. 40°NW-Drehwinkel, wobei Flügelrad 4' und Zellenrad 5 über einen hydraulisch steuerbaren Sperrbolzen 10 der Sperreinrichtung 3 eine zu Verstell-Ende VE1 = VE2 verriegelte Verstelleinheit 8' für eine weitere Auslaß-Nockenwelle bilden mit einem Nockenwellen-Drehwinkel von 40°. A further third adjustment unit 8 'is thus obtained from the impeller 4' of the second adjustment unit 2 provided for an exhaust camshaft of an internal combustion engine with an adjustment range V 2 of approximately 30 ° NW rotation angle and from the cellular wheel 5 for an intake camshaft an internal combustion engine provided first adjustment unit 1 with an adjustment range V 1 of approximately 40 ° NW rotation angle, the impeller 4 'and cellular wheel 5 being connected to the adjustment end VE 1 = VE 2 locking unit 8' via a hydraulically controllable locking pin 10 of the locking device 3 for another exhaust camshaft with a camshaft rotation angle of 40 °.

Wie aus den Figuren 5 und 6 ersichtlich, wirkt eine am Flügelrad 4' für die Früh-Verriegelung der Verstelleinheit 2 ausgebildete Raststelle 12 mit dem im Zellenrad 5 steuerbar angeordneten Sperrbolzen 10 zusammen nach Art einer für eine Auslaß-Nockenwelle angestrebten Früh-Verriegelung.As can be seen from FIGS. 5 and 6, one acts on the impeller 4 'for the early locking the adjustment unit 2, formed with the locking point 12 in the cellular wheel 5 controllably arranged locking pin 10 together in the manner of a for an exhaust camshaft targeted early locking.

Claims (3)

  1. A method of producing an angle of rotation-adjusting unit made up of an impeller wheel and a bucket wheel, especially for camshafts of internal combustion engines,
    from a first adjusting unit (1) having a first angle of rotation-adjusting range (V1) and a second adjusting unit (2) having a second angle of rotation-adjusting range (V2), in each case
    equipped with a locking device (3) for locking the respective impeller wheel (4, 4') to the respective bucket wheel (5, 5'), wherein
    the impeller wheel (4) of the one adjusting unit (1) is lockable at the beginning of adjustment (VB1) and the impeller wheel (4') of the other adjusting unit (2) is lockable at the end of adjustment (VE2),
       characterised in that
    a third adjusting unit (8, 8') is produced from the impeller wheel (4, 4') of the first adjusting unit (1, 2) and the bucket wheel (5, 5') of the second adjusting unit (2, 1), wherein
    in the case of the bucket wheel (5, 5') of the first adjusting unit (1, 2), the beginning (VA2) or the end (VE1) of the corresponding adjustment range (V2, V1) is made identical with the beginning (VB1) or the end (VE2) of the adjustment range (V1, V2) of each second adjusting unit (1, 2), wherein
    the impeller wheel (4, 4') is locked to the bucket wheel (5, 5') at the beginning of adjustment (VB1 = VA2) or at the end of its adjustment (VE1 = VE2).
  2. A method according to claim 1, characterised in that
    the third adjusting unit (8) is produced from the impeller wheel (4) of the first adjusting unit (1) intended for an inlet camshaft of an internal combustion engine and having a camshaft angle of rotation-adjustment range (V1) of about 40° and
    from the bucket wheel (5') of the second adjusting unit (2) intended for an outlet camshaft of an internal combustion engine and with a camshaft angle of rotation-adjustment range (V2) of about 30° wherein
    the impeller wheel (4) and the bucket wheel (5'), via a hydraulically actuatable locking pin (10) of the locking device (3), form an adjusting unit (8) locked at the beginning of adjustment (VB1 = VA2) for an additional inlet camshaft with an angle of rotation of 30°.
  3. A method according to claim 1, characterised in that
    the third adjusting unit (8') is produced from the impeller wheel (4') of the second adjusting unit (2) intended for an outlet camshaft of an internal combustion engine having an angle of rotation adjustment range (V2) of about 30° and
    from the impeller wheel (5) of the first adjusting unit (1) intended for an inlet camshaft of an internal combustion engine having an angle of rotation adjustment range (V1) of about 40°, wherein
    the impeller wheel (4') and the bucket wheel (5), via a hydraulically actuatable locking pin (10) of the locking device (3), form an adjusting unit (8') locked at the end of adjustment (VE1 = VE2) for an additional outlet camshaft having an angle of rotation of 40°.
EP98107358A 1997-05-27 1998-04-22 Manufacture of a variable phase device comprising a rotor and a vane, particularly for internal combustion engines camshafts Expired - Lifetime EP0881364B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19722133 1997-05-27
DE19722133A DE19722133A1 (en) 1997-05-27 1997-05-27 Manufacture of a rotation angle adjustment unit formed from an impeller and a cellular wheel, in particular for camshafts of internal combustion engines

Publications (2)

Publication Number Publication Date
EP0881364A1 EP0881364A1 (en) 1998-12-02
EP0881364B1 true EP0881364B1 (en) 2002-11-13

Family

ID=7830620

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98107358A Expired - Lifetime EP0881364B1 (en) 1997-05-27 1998-04-22 Manufacture of a variable phase device comprising a rotor and a vane, particularly for internal combustion engines camshafts

Country Status (3)

Country Link
EP (1) EP0881364B1 (en)
DE (2) DE19722133A1 (en)
ES (1) ES2185079T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19922746A1 (en) * 1999-05-18 2000-11-23 Bayerische Motoren Werke Ag Hydraulic setting unit operating process, e.g. for camshaft, involving using hydraulic pressure to break off pressurizing of setting chamber and locking element
US7421989B2 (en) 2005-09-13 2008-09-09 Delphi Technologies, Inc. Vane-type cam phaser having increased rotational authority, intermediate position locking, and dedicated oil supply

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0192504A (en) * 1987-09-30 1989-04-11 Aisin Seiki Co Ltd Valve opening and closing timing control device
DE3937644A1 (en) * 1989-11-11 1991-05-16 Bayerische Motoren Werke Ag IC engine camshaft hydraulic rotary angle adjuster - has locking device securing vaned wheel in initial angular position w.r.t. sliding vane wheel
DE4340615A1 (en) * 1993-11-29 1995-06-01 Bayerische Motoren Werke Ag Method for simultaneous phase angle alteration of inlet and outlet camshaft
DE19514786C2 (en) * 1995-04-21 2002-08-14 Audi Ag Device for discrete adjustment of the phase position of at least two camshafts
DE19535499B4 (en) * 1995-09-25 2005-06-16 Audi Ag Device for adjusting the phase position of a shaft

Also Published As

Publication number Publication date
EP0881364A1 (en) 1998-12-02
ES2185079T3 (en) 2003-04-16
DE59806241D1 (en) 2002-12-19
DE19722133A1 (en) 1998-12-03

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