EP2132417B1 - Dispositif de réglage d'arbre à cames pour un moteur à combustion interne - Google Patents

Dispositif de réglage d'arbre à cames pour un moteur à combustion interne Download PDF

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Publication number
EP2132417B1
EP2132417B1 EP08708953A EP08708953A EP2132417B1 EP 2132417 B1 EP2132417 B1 EP 2132417B1 EP 08708953 A EP08708953 A EP 08708953A EP 08708953 A EP08708953 A EP 08708953A EP 2132417 B1 EP2132417 B1 EP 2132417B1
Authority
EP
European Patent Office
Prior art keywords
locking
inner rotor
outer rotor
rotor
camshaft
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.)
Not-in-force
Application number
EP08708953A
Other languages
German (de)
English (en)
Other versions
EP2132417A1 (fr
Inventor
Michael Busse
Michael Weiss
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.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
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 Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Publication of EP2132417A1 publication Critical patent/EP2132417A1/fr
Application granted granted Critical
Publication of EP2132417B1 publication Critical patent/EP2132417B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • F01L2001/3445—Details relating to the hydraulic means for changing the angular relationship
    • F01L2001/34453—Locking means between driving and driven members
    • F01L2001/34456—Locking in only one position
    • 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
    • F01L2001/3445—Details relating to the hydraulic means for changing the angular relationship
    • F01L2001/34453—Locking means between driving and driven members
    • F01L2001/34463—Locking position intermediate between most retarded and most advanced positions
    • 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
    • F01L2001/3445—Details relating to the hydraulic means for changing the angular relationship
    • F01L2001/34453—Locking means between driving and driven members
    • F01L2001/34466—Locking means between driving and driven members with multiple locking devices
    • 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
    • F01L2001/3445—Details relating to the hydraulic means for changing the angular relationship
    • F01L2001/34453—Locking means between driving and driven members
    • F01L2001/34469—Lock movement parallel to camshaft axis

Definitions

  • the invention relates to a device for adjusting the camshaft of an internal combustion engine, which has a rotatably connected to a camshaft inner rotor which is rotatably adjustable relative to an outer rotor rotatably connected to a crankshaft, wherein in the outer rotor at least one hydraulic chamber limited by side walls is introduced, said is divided by a radially outwardly extending from the inner rotor element into two sub-chambers, wherein for locking the relative movement between the inner rotor and outer rotor two inner rotor axially passing through locking pins are provided which can engage in two recesses, which are introduced into one of the side walls designed as a locking lid and wherein at least one of the two recesses in the locking cover has a stop surface for the locking pin whose position is viewed in the circumferential direction with the radial distance from the A. Chse of the inner rotor changed. Preferably, the position of both stop surfaces changes with the radial distance from the axis of the
  • a camshaft adjusting device of this kind is known from US 2001/0039932 A1 known. Similar solutions show the US 2003/012485 A1 , the US 6,155,221 , the US 2006/0081204 A1 , the WO 2005/108752 A1 and the US Pat. No. 6,450,137 B2 ,
  • the device has an inner rotor, which is screwed by a central screw with the camshaft of the internal combustion engine.
  • the outer rotor is connected to the crankshaft via a chain or via a toothed belt in active connection. Between the inner rotor and the outer rotor can - be initiated via an external hydraulic actuation - a relative rotational movement.
  • the inner rotor is designed as an impeller having grooves for receiving wings.
  • the wings divide a hydraulic chamber into two areas.
  • the camshaft adjuster thus has the function of changing the angular position of the camshaft relative to the crankshaft of the internal combustion engine during operation.
  • the angular position which can be set with the described embodiment is stored in a characteristic map in an engine control unit and results essentially from the two parameters engine load and engine speed.
  • the camshaft adjuster operates on the vane-cell principle, that is, by generating an oil pressure difference in the hydraulic chambers adjusted the camshaft adjuster in the direction of "early stop” or "late stop".
  • the “center lock” differs from the “end stop lock” in that the camshaft adjuster is locked in a defined angular position between the two end positions “early” and “late”, which is particularly advantageous when starting the engine.
  • a disadvantage of this design is that due to the tolerance chain of the components, d. H. Namely, the locking pins in their holes and the recesses in the locking lid, a locking clearance results, which - in contrast to the one at the Endanschlagsverriegelung - is not adjustable before mounting.
  • the locking clearance is essentially determined by the geometric distance between the two holes in the inner rotor for receiving the locking pins and the distance between the two locking recesses (locking slots) in the locking cover.
  • the distance is therefore essentially determined by the manufacturing tolerances, wherein in prior art solutions no influence during assembly is possible.
  • Of influence are also the game of locking pins in their mounting holes in the inner rotor, the radial bearing clearance of the inner rotor in the outer rotor, the centering of the locking cover on the outer rotor and the dimensional accuracy of the locking link. All these effects make it particularly difficult to maintain a defined locking clearance in a camshaft adjuster of the generic type.
  • the present invention is therefore the object of a camshaft adjuster of the type mentioned in such a way that it is possible to obtain even when using a lock in the middle position between "early” and “late” a largely backlash-free arrangement, so that in particular the Noise level remains low. Furthermore, the function of locking and unlocking should be ensured by choosing an optimal, low game.
  • the solution of this object by the invention is characterized in that the side wall formed as a locking lid of the device and the outer rotor are formed so that the locking cover can be set in different radial relative positions to the outer rotor.
  • a preferred embodiment of the invention provides that at least one stop surface, preferably both stop surfaces, has a straight course.
  • the stop surface may include an angle to the radial direction.
  • the abutment surfaces are arranged so that their distance increases in the circumferential direction increases with increasing radial distance from the axis of the inner rotor. It is also possible the reverse configuration, ie that the stop surfaces are arranged so that their distance in the circumferential direction decreases with increasing radial distance from the axis of the inner rotor.
  • the locking cover is preferably disc-shaped.
  • the function of the locking cover is on the one hand the sealing of the oil chambers and on the other hand, the transmission of the drive torque from the crankshaft to the camshaft when the camshaft adjuster is axially locked.
  • Fig. 1 and Fig. 2 is only very schematically illustrated a phaser 1, with which a camshaft 2 can be adjusted relative to the crankshaft with respect to the angle of rotation.
  • An inner rotor 3 and an outer rotor 4 of the camshaft adjuster 1 are indicated, the inner rotor 3 being rotated relative to the outer rotor 4, as will be seen in greater detail below can to move the camshaft between an "early" working position and a "late” working position.
  • the camshaft adjuster 1 has a first side wall 5 and a second side wall 6, wherein the second side wall 6 is designed as a locking cover, which is required for the axial locking, when the camshaft adjuster 1 in particular for the start of the engine in a middle position between "early” and “late” to be locked.
  • a chain not shown, an operative connection between the crankshaft of the internal combustion engine and a drive gear is produced, which is rotatably connected to the outer rotor 4.
  • An adjusting mechanism not shown, establishes a relative rotational position between the outer rotor 4 and the inner rotor 3.
  • the inner rotor 3 is rotatably screwed by a (not shown) central screw with the camshaft 2 of the internal combustion engine.
  • the two Figures 1 and 2 differ in that in the case of the solution according to the Fig. 1 the locking cover 6 is arranged on the side remote from the camshaft 2 side. Meanwhile, the lock cover 6 in the solution according to Fig. 2 positioned on the camshaft 2 facing side of the camshaft adjuster 1.
  • the locking cover 6 of the camshaft adjuster 1 can thus be located on the side facing the engine towards or away. Its axis is coaxial with the axis of the inner / outer rotor 3, 4 and the camshaft 2 aligned.
  • Fig. 3 is the known per se construction of a generic camshaft adjuster 1 to see.
  • the outer rotor 4 has five incorporated recesses which form hydraulic chambers 7. These are by the two side walls 5, 6 (s. Fig. 1 and 2 ) limited.
  • the inner rotor 3 five grooves are incorporated in the present embodiment, which in the present case in the radial direction and along the axial direction of the camshaft adjuster extend.
  • an element 8 is inserted in the form of a wing.
  • the wing 8 extends in its assembled state radially to the outer radial boundary of the hydraulic chamber 7.
  • the hydraulic chamber 7 is divided into two sub-chambers 9 and 10, which - not shown in detail - are in communication with hydraulic lines on the Hydraulic fluid in the sub-chambers 9, 10 can be initiated.
  • the wing 8 can in principle also be designed as a sealing strip or similar element, which can accomplish a subdivision of the hydraulic chamber 7 into two sub-chambers 9, 10.
  • the locking of the camshaft adjuster 1 in a center position between “early” and “late” is accomplished by two locking pins 11 and 12, which are inserted into corresponding bores in the inner rotor 3.
  • the locking pins are movable by means not shown in the axial direction and act as a locking piston.
  • a blockage of the relative rotation between the inner rotor 3 and outer rotor 4 can be made.
  • FIGS. 4 and 5 show the locking cover 6 in cooperation with the inner rotor 3 and the outer rotor 4.
  • two recesses 13 and 14 are incorporated, which act as scenes. They serve to define for the two locking pins 11 and 12 stop surfaces 15 and 16, which limit the recesses 13, 14 in the circumferential direction U, so that when locked locking pins 11, 12 of the inner rotor 3 relative to the outer rotor 4, on which the locking cover. 6 is attached, is set in the circumferential direction U, in a central position, as it is out Fig. 4 shows (the wings 8 are located approximately in the middle of the hydraulic chamber 7).
  • both recesses 13, 14 - a stop surface 15, 16 for the locking pin 11, 12 such that their Position - viewed in the circumferential direction U - changed with the radial distance r from the axis 17 of the inner rotor 3.
  • the two stop surfaces 15 and 16 formed here are arranged at an angle ⁇ to the radial direction R, which in the present case is approximately 15 °.
  • the two stop surfaces 15, 16 are reversely oriented. This means that here the play between locking pins 11, 12 and abutment surfaces 15, 16 decreases when the locking cover 6 is moved relative to the outer rotor 4 radially outward. Accordingly, it becomes larger when the lock cover 6 is moved radially inward.
  • This effect can be used to adjust the clearance between the locking pins 11, 12 and the abutment surfaces 15, 16 in the locking cover 6 during assembly of the camshaft adjuster.
  • a relative displacement of the locking cover 6 relative to the outer rotor 4 is in the embodiment according to the FIGS. 4 and 5 made possible by an embodiment of the possibility of attachment of the locking cover. 6 on the outer rotor 4, as indicated by the reference numerals 18 and 18 '.
  • a bore 18, which is introduced for the passage of a fastening screw in the locking cover 6 meets a trained as a through hole counterbore 18 'in the outer rotor 4, which is formed larger and thus a radial displacement of the locking cover 6 relative to External rotor 4 allows.
  • the locking cover 6 is designed as a thin-walled disc. In the center of a circular recess 19 is provided, which allows the mounting of the camshaft adjuster to the engine by means of a central screw.
  • the outer diameter of the locking cover 6 corresponds to that of the outer rotor. 4
  • the number of holes 18 in the locking cover 6 is dependent on the number of existing in the camshaft adjuster hydraulic chambers 7.
  • the holes 18 may be formed as passage or threaded holes.
  • the outer rotor 4 (stator) is fixed in a mounting device.
  • the inner rotor 3 is aligned in the outer rotor 4 with respect to the center locking position and also fixed.

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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)

Claims (8)

  1. Dispositif (1) de réglage d'arbre à cames d'un moteur à combustion interne, qui présente un rotor interne (3) connecté de manière solidaire en rotation à un arbre à cames (2), le rotor pouvant être déplacé en rotation par rapport à un rotor externe (4) en liaison d'entraînement avec un vilebrequin, au moins une chambre hydraulique (7) limitée par des parois latérales (5, 6) étant disposée dans le rotor externe (4), celle-ci étant divisée en deux chambres partielles (9, 10) par un élément (8) s'étendant radialement vers l'extérieur depuis le rotor interne (3), deux goupilles de verrouillage (11, 12) traversant axialement le rotor interne (3) étant prévues pour le verrouillage du mouvement relatif entre le rotor interne (3) et le rotor externe (4), lesquelles peuvent s'engager dans deux évidements (13, 14) qui sont pratiqués dans l'une des parois latérales (6) réalisées sous forme de couvercle de verrouillage, et au moins l'un des deux évidements (13, 14) présentant une surface de butée (15, 16) pour la goupille de verrouillage (11, 12), dont la position varie en fonction de la distance radiale (r) à l'axe (17) du rotor interne (3), vu dans la direction périphérique (U),
    caractérisé en ce que
    la paroi latérale (6) réalisée sous forme de couvercle de verrouillage du dispositif et le rotor externe (4) sont réalisés de telle sorte que le couvercle de verrouillage (6) puisse être fixé dans des positions relatives radiales différentes par rapport au rotor externe (4).
  2. Dispositif selon la revendication 1, caractérisé en ce que la position des deux surfaces de butée (15, 16) varie en fonction de la distance radiale (r) à l'axe (17) du rotor interne (3).
  3. Dispositif selon la revendication 1, caractérisé en ce qu'au moins une surface de butée (15, 16) présente une allure droite.
  4. Dispositif selon la revendication 3, caractérisé en ce que l'au moins une surface de butée (15, 16) forme avec la direction radiale (R) un angle (α).
  5. Dispositif selon la revendication 3, caractérisé en ce que les surfaces de butée (15, 16) sont disposées de telle sorte que leur distance, considérée dans la direction périphérique (U), augmente avec l'augmentation de la distance radiale (r) à l'axe (17) du rotor interne (3).
  6. Dispositif selon la revendication 3, caractérisé en ce que les surfaces de butée (15, 16) sont disposées de telle sorte que leur distance, considérée dans la direction périphérique (U), diminue avec l'augmentation de la distance radiale (r) à l'axe (17) du rotor interne (3).
  7. Dispositif selon la revendication 1, caractérisé en ce que dans le couvercle de verrouillage (6) ou dans le rotor externe (4) sont disposés des alésages (18, 18') pour le passage d'éléments de fixation, notamment de vis, qui permettent un déplacement radial entre le couvercle de verrouillage (6) et le rotor externe (4).
  8. Dispositif selon la revendication 1, caractérisé en ce que le couvercle de verrouillage (6) est réalisé en forme de disque.
EP08708953A 2007-03-08 2008-02-13 Dispositif de réglage d'arbre à cames pour un moteur à combustion interne Not-in-force EP2132417B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007011282A DE102007011282A1 (de) 2007-03-08 2007-03-08 Vorrichtung zur Nockenwellenverstellung einer Brennkraftmaschine
PCT/EP2008/051737 WO2008107275A1 (fr) 2007-03-08 2008-02-13 Dispositif de réglage d'arbre à cames pour un moteur à combustion interne

Publications (2)

Publication Number Publication Date
EP2132417A1 EP2132417A1 (fr) 2009-12-16
EP2132417B1 true EP2132417B1 (fr) 2010-12-29

Family

ID=39462143

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08708953A Not-in-force EP2132417B1 (fr) 2007-03-08 2008-02-13 Dispositif de réglage d'arbre à cames pour un moteur à combustion interne

Country Status (5)

Country Link
US (1) US8240280B2 (fr)
EP (1) EP2132417B1 (fr)
AT (1) ATE493568T1 (fr)
DE (2) DE102007011282A1 (fr)
WO (1) WO2008107275A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014005739A1 (fr) 2012-07-06 2014-01-09 Schaeffler Technologies AG & Co. KG Dispositif hydraulique de réglage d'arbre à cames, comportant un verrouillage central et un jeu de verrouillage réglable

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012203114B4 (de) 2012-02-29 2020-06-18 Schaeffler Technologies AG & Co. KG Einlegeteil für Nockenwellenversteller mit Mittenverriegelung, sowie Steuertrieb und Verbrennungskraftmaschine damit
DE102012209027B4 (de) * 2012-05-30 2017-06-22 Schaeffler Technologies AG & Co. KG Nockenwellenversteller
DE102016220943A1 (de) 2016-10-25 2018-04-26 Schaeffler Technologies AG & Co. KG Nockenwellenversteller mit Verriegelungsmechanismus
CN109281724B (zh) * 2017-07-21 2022-07-26 舍弗勒技术股份两合公司 凸轮轴调节器和内燃机

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Publication number Priority date Publication date Assignee Title
US6006709A (en) * 1995-06-14 1999-12-28 Nippondenso Co., Ltd. Control apparatus for varying a rotational or angular phase between two rotational shafts, preferably applicable to a valve timing control apparatus for an internal combustion engine
JP2000230511A (ja) * 1998-12-07 2000-08-22 Mitsubishi Electric Corp ベーン式油圧アクチュエータ
DE10064222B4 (de) 1999-12-24 2006-02-09 Aisin Seiki K.K., Kariya Verstellbares Ventilsteuersystem
DE10253496B4 (de) * 2001-11-21 2017-03-16 Schaeffler Technologies AG & Co. KG Verfahren zum Betreiben eines hydraulischen Nockenwellenversteller s
DE10218201C1 (de) * 2002-04-24 2003-10-30 Porsche Ag Nockenwellenversteller für eine veränderbare Ventilsteuerung
DE102004022097A1 (de) * 2004-05-05 2005-12-08 Daimlerchrysler Ag Hydraulischer Nockenwellenversteller und Verfahren zur Montage desselben
DE102004050236A1 (de) * 2004-10-15 2006-05-11 Daimlerchrysler Ag Hydraulischer Nockenwellenversteller für eine Nockenwelle einer Brennkraftmaschine
DE102005036917A1 (de) * 2005-08-05 2007-02-08 Schaeffler Kg Verriegelungseinrichtung für einen Nockenwellenversteller einer Brennkraftmaschine
JP4400546B2 (ja) * 2005-10-28 2010-01-20 日産自動車株式会社 内燃機関の可変バルブタイミング装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014005739A1 (fr) 2012-07-06 2014-01-09 Schaeffler Technologies AG & Co. KG Dispositif hydraulique de réglage d'arbre à cames, comportant un verrouillage central et un jeu de verrouillage réglable
DE102012211870A1 (de) 2012-07-06 2014-01-09 Schaeffler Technologies AG & Co. KG Hydraulischer Nockenwellenversteller mit Mittenverriegelung und einstellbarem Verriegelungsspiel

Also Published As

Publication number Publication date
DE102007011282A1 (de) 2008-09-11
US8240280B2 (en) 2012-08-14
WO2008107275A1 (fr) 2008-09-12
US20100083924A1 (en) 2010-04-08
ATE493568T1 (de) 2011-01-15
DE502008002149D1 (de) 2011-02-10
EP2132417A1 (fr) 2009-12-16

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