EP3149292B1 - Commande de soupape à arbre àcames ajustable - Google Patents

Commande de soupape à arbre àcames ajustable Download PDF

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Publication number
EP3149292B1
EP3149292B1 EP15719446.5A EP15719446A EP3149292B1 EP 3149292 B1 EP3149292 B1 EP 3149292B1 EP 15719446 A EP15719446 A EP 15719446A EP 3149292 B1 EP3149292 B1 EP 3149292B1
Authority
EP
European Patent Office
Prior art keywords
stop
outer shaft
counter
inner shaft
shaft
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.)
Active
Application number
EP15719446.5A
Other languages
German (de)
English (en)
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EP3149292A1 (fr
Inventor
Jürgen MEUSEL
Michael Kunz
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.)
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Publication of EP3149292A1 publication Critical patent/EP3149292A1/fr
Application granted granted Critical
Publication of EP3149292B1 publication Critical patent/EP3149292B1/fr
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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
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • 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
    • F01L1/047—Camshafts
    • 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
    • F01L1/34413—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 composite camshafts, e.g. with cams being able to move relative to the camshaft
    • 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
    • F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
    • 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
    • F01L2001/028—Pre-assembled timing arrangement, e.g. located in a cassette
    • 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
    • F01L1/047—Camshafts
    • F01L2001/0471—Assembled camshafts
    • F01L2001/0473—Composite camshafts, e.g. with cams or cam sleeve being able to move relative to the inner camshaft or a cam adjusting rod
    • 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
    • F01L1/047—Camshafts
    • F01L2001/0475—Hollow camshafts

Definitions

  • the present invention relates to a valve control system having at least one adjustable camshaft, comprising an outer shaft and an inner shaft extending through the outer shaft, and having at least one phaser, comprising a first actuator and a second actuator rotatable against the first actuator, wherein the outer shaft and the Inner shaft are each connected to an actuator.
  • a generic type valve control system is known from DE 10 2008 005 292 A1 known.
  • the valve control system has an adjustable camshaft, and the adjustable camshaft is composed of an outer shaft and an inner shaft, and on the outer shaft are rotatably received cam members which are connected via bolts with the inner shaft. If the inner shaft is twisted in the outer shaft, so rotate the cam elements on the outer shaft together with the inner shaft. Furthermore, there are fixedly arranged on the outer shaft cam elements, and the inner shaft is rotated in the outer shaft during operation of the valve control system by a phaser, so the timing can for example be determined separately from intake valves and exhaust valves.
  • the phase adjuster comprises a first actuator, formed by a stator and a second actuator, formed by a rotor which is rotatably received in the stator.
  • a plurality of wing elements are arranged, and the wing elements can be applied hydraulically in vane, so that the rotation of the second actuator, so the rotor in the first actuator, ie in the stator, is possible.
  • the rotation of the second actuator is transmitted in the first actuator to the adjustable camshaft.
  • a rotation of the inner shaft in the outer shaft is often in a very short time, which is made possible by a correspondingly strong hydraulic loading of the wing elements in the hydraulic vane.
  • this can lead to damaging attacks of the wing elements on the so-called early and late attacks, and the attacks are formed by the walls of the chambers in the stator.
  • wing elements must be mounted on the rotor, which are made relatively thin.
  • thin executed wing elements can experience damage when a strong fluid loading for very short-term adjustment of the rotational position of the inner shaft in the outer shaft is required.
  • adjustable camshafts have bolts for connecting the rotatable cam members to the inner shaft, and the bolts are passed through passages in the outer shaft. These passages have a limited longitudinal extent in the circumferential direction of the outer shaft, and the bolts can be rotated over the desired angle of rotation in the passages. In this case, the bolts can strike against the end regions of the passages, which can also lead to damage of the adjustable camshaft, so that a striking of the bolts on the passages is to be avoided.
  • GB 2 424 256 A discloses a phaser connected to the camshaft to allow relative movement of the inner shaft to the outer shaft.
  • An angular position stop is integrated in a bearing sleeve which is arranged at one end of the camshaft.
  • a pin-shaped element of the bearing sleeve engages in a recess of the outer shaft.
  • the object of the invention is the development of a valve control system with an adjustable camshaft and with a phaser, wherein the valve control system should be operable without damage at large displacement angles of the inner shaft in the outer shaft.
  • damage caused by a Limiting the angle of rotation of the inner shaft can be avoided in the outer shaft.
  • the invention includes the technical teaching that at least a stop is provided, which is rotationally coupled to the outer shaft, and that at least one counter-stop is provided which is rotationally coupled to the inner shaft, wherein the maximum angle of rotation of the inner shaft in the outer shaft by a Adjacent of the stop to the counter-stop is determined.
  • the invention is based on the advantageous possibility, regardless of the limited angle of rotation of the second actuator in the first actuator of the phase adjuster and regardless of the limitation of a rotation angle of a bolt in a passage of the outer shaft to use a stop and a counter-stop, by the angle of rotation of the inner shaft is limited in the outer shaft of the adjustable camshaft and thus the second actuator in the first actuator of the phaser.
  • a stop is provided, which can interact with a counter-stop, wherein the stop on the outer shaft and the counter-stop on the inner shaft are rotationally coupled.
  • a stop on the inner shaft can be provided, which can interact with a counter-stop on the outer shaft.
  • the valve control system according to the invention may comprise one or more camshafts.
  • the valve control system may have two camshafts arranged parallel to one another, which are in particular coupled to one another.
  • the coupling can be done for example via so-called dual-phaser, so that on one or both camshaft phasers are arranged and which can be in operative connection with each other.
  • the stop according to the invention and the counter-stop can be arranged on one or both camshafts.
  • the stop may be formed by at least one claw and the counter-stop may have projections between which at least one recess is formed. In this recess, the at least one claw may protrude.
  • the counter-abutment may be formed with a number of protrusions, by which an equal number of recesses is produced, and according to the number of recesses the abutment has an equal number of claws, so that, for example, a claw projects into each recess.
  • the stop can be crown-like, and the counter-stop is formed in a star shape, so that the number of claws corresponds to the number of protrusions or recesses.
  • the valve control system may include a drive wheel disposed on the outer shaft and for rotationally driving the variable camshaft.
  • a stop disc may be provided and accommodated on the drive wheel, which has at least one claw and preferably also a plurality of claws for forming the stop.
  • the counter-stop can be arranged on the inner shaft and in particular in one piece as at least one projection, preferably also several times, be integrally formed thereon, and the projection or the projections can interact with the stop disc.
  • the projections may extend into spaces between the claws formed on the stop disc.
  • the stop can be formed as a claw extension and arranged at the end of the outer shaft or formed on this.
  • the counter-abutment can be formed by a pin element which is arranged corresponding to the claw extension on the inner shaft, wherein pins of the pin element can protrude radially outward into the interstices of the claw extension.
  • the variant for the formation of the stop and the counter-attack, formed by a claw extension and a pin member, for example, without modification of existing camshaft constructions can be subsequently arranged on a valve control system, and for example, the claw extension can be integrally formed with the outer shaft and the pin member can, for example a screw on the front side of the inner shaft end attached.
  • this can have a drive wheel, for example a sprocket or a toothed belt wheel.
  • the drive wheel is used for rotating drive of the adjustable camshaft and is driven by the traction means, that is, for example via a chain or a toothed belt, through the crankshaft of an internal combustion engine.
  • the stop can be integrated, for example, in the drive wheel.
  • the counter-stop in the hub region of the drive wheel may be formed on the inner shaft, wherein the drive wheel is connected to the outer shaft, for example, this may be welded to the tubular outer shaft.
  • the projections of the counter-stop can point radially outward and with the example abut axially projecting claws on the stop disc.
  • the claws can also be integrally formed with the drive wheel and, for example, integrally formed thereon.
  • the stop and the counter-stop can be integrated in the phaser.
  • the stop disc on the phaser for example, be arranged on the first actuator.
  • the counter-stop can be arranged, for example, on the second actuator and interact with the claws on the stop plate.
  • the valve control system can be executed with the stop according to the invention and the counter-stop, that the limited by the stop or the counter stop angle of rotation of the inner shaft in the outer shaft is smaller than the maximum angle of rotation of the second actuator relative to the first actuator.
  • adjustable cam elements may be rotatably received, which are connected by a bolt with the inner shaft, wherein the bolts are passed through passages in the outer shaft, and wherein the limited by the stop and the counter-rotation of the inner shaft in the outer shaft is smaller as the maximum angle of twist of the bolts in the passages.
  • the invention further relates to an adjustable camshaft of a valve control system having an outer shaft and an inner shaft extending through the outer shaft, wherein a stop is provided, which is rotationally fixedly coupled to the outer shaft, and wherein a counter-stop is provided, which is provided with the inner shaft is coupled rotationally fixed, wherein the maximum angle of rotation of the inner shaft in the outer shaft is determined by an abutment of the stop against the counter-stop.
  • the stop can be formed as a claw extension and be arranged on the outer shaft end side or formed on this, wherein intermediate spaces may be formed between the jaws of the claw extension.
  • the counter-stop can be formed by a pin element, which can be arranged corresponding to the claw extension end to the inner shaft, wherein pins of the pin member protrude radially outwardly into the interstices of the claw extension.
  • FIG. 1 shows in a cross-sectional view of a valve control system 1 with an adjustable camshaft 10 and with a phaser 13.
  • the adjustable camshaft 10 has an outer shaft 11 and an inner shaft 12, and the inner shaft 12 extends through the tubular outer shaft 11 therethrough.
  • cam elements 25 are rotatably received and rotatably connected with bolts 26 with the inner shaft 12, and the inner shaft 12 is rotated in the outer shaft 11, rotate with the inner shaft 12, the cam elements 25 on the outer side of the outer shaft eleventh
  • a first actuator 14 and a second actuator 15, and the actuators 14 and 15 may be formed as a stator and a rotor and hydraulically acted upon, as shown in DE 10 2008 005 292 A1 known.
  • a drive wheel 20 Adjacent to the phase adjuster 13, a drive wheel 20 is connected to the outer shaft 11, via which the camshaft 10 can be set in rotation.
  • the adjustment of the angle of rotation of the inner shaft 12 in the outer shaft 11 takes place during operation of the camshaft 10, and to limit the rotational angle of the inner shaft 12 in the outer shaft 1, serves according to the embodiment shown a Stop disc 21, on which a stop 16 is formed, which can be brought into operative connection with a counter-stop 17 on the outer shaft 12.
  • FIG. 2 shows the detail Z of the adjustable camshaft 10 with the outer shaft 11 and with the inner shaft 12 extending through the outer shaft 11, and there is shown a drive wheel 20 connected to the outer shaft 11. Not shown is different from FIG. 1 a phaser.
  • a stop plate 21 is arranged via screw elements 30, and the stop plate 21 has stops 16 which protrude axially in the form of claws 18 from the plane of the stop plate 21 into the hub of the drive wheel 20 inside.
  • the claws 18 are located over the outside of the inner shaft 12 and can interact with counter-attacks, as in connection with the following FIG. 3 explained in more detail, which is a section along the section line HH according to FIG. 1 represents.
  • FIG. 3 shows a cross section along the section line H - H by the drive wheel 20 according to FIG. 1 , wherein the cutting line is formed such that the claws 18 are to form the stop 16 of the stop plate 21 in the cutting plane.
  • the cross-sectional view makes it clear that on the inner shaft 12 counterstops in the form of projections 27 are formed, which protrude radially from the inner shaft 12 to the outside and form the counter-stop 17.
  • the projections 27 extend into recesses 19, which are formed between the claws 18 of the stop disc 21. If now the inner shaft 12 is rotated in the outer shaft 11, the projections 27 reach in the circumferential direction in abutment against the claws 18, so that the rotation of the inner shaft 12 is limited in the outer shaft 11.
  • FIGS. 1 to 3 shows a stopper plate 21 with four jaws 18 so that between the jaws 18 four recesses 19 are formed. In each of the recesses 19 projections 27 extend, so that four projections 27 are formed on the inner shaft 12.
  • FIG. 4 shows in a perspective view of the stop plate 21 in arrangement over the inner shaft 12, without the drive wheel 20 is shown for receiving the stop plate 21 with the outer shaft 11. Due to the reduced view, it can be seen that the projections 27 extend into the recesses 19 between the claws 18, whereby, analogously, the claws 18 of the stop disc 21 extend in spaces between the projections 27. Due to the thus enabled interaction of the jaws 18 with the projections 27, the angle of rotation of the inner shaft 12 is limited relative to the stop plate 21.
  • FIG. 5 shows without the stopper plate 21 according to FIG. 4 the inner shaft 12 with the projections 27, between which the recesses 19 are, whereby the counter-stop 17 is formed.
  • the view shows four protrusions 27 integrally formed with the inner shaft 12 and, for example, the inner shaft 12 can be prepared by a turning operation, and the recesses 19 are then manufactured by intermittent milling.
  • FIG. 6 shows finally a perspective view of the stopper plate 21 with the axially projecting claws 18, and by the claws 18 of the stopper 16 is formed, which with the counter-stop 17 according to FIG. 5 can interact accordingly.
  • FIGS. 7 and 8 show in a cut ( FIG. 7 ) and an uncut ( FIG. 8 ) Perspective view of a further embodiment of the formation of the stop 16 and the counter-stop 17, which are arranged on the end side of the adjustable camshaft 10 with the outer shaft 11 and the inner shaft 12.
  • the stop 16 is formed in the form of a claw extension 22 at the end on the outer shaft 11, and by the claw extension 22 gaps 28 are formed.
  • the end of the outer shaft 11 is thus formed approximately crown-shaped and there are two intermediate spaces 28 are exemplified.
  • the counter-stop 17 is formed by a pin member 23, which corresponds to the claw extension 22 end to the inner shaft 12th is arranged.
  • the pin member 23 has, by way of example, two pins 24 which are arranged diametrically opposite one another at 180 ° and project radially outward into the intermediate spaces 28 of the claw extension 22. If the inner shaft 12 is rotated in the outer shaft 11, the pins 24 come into contact with the edges of the intermediate spaces 28, whereby the angle of rotation is limited by the corresponding desired amount.
  • the pin member 23 is attached via a screw 29 on the end side of the inner shaft 12 and thus designed as a single part.

Claims (11)

  1. Système de commande de soupape (1) comportant au moins un arbre à cames réglable (10) comprenant un arbre extérieur (11) et un arbre intérieur (12) s'étendant à travers l'arbre extérieur (11), et comportant au moins un déphaseur (13) comprenant un premier organe de réglage (14) et un deuxième organe de réglage (15) pouvant tourner par rapport au premier organe de réglage (14), dans lequel l'arbre extérieur (11) et l'arbre intérieur (12) sont reliés à respectivement un organe de réglage (14, 15), dans lequel au moins une butée (16) est prévue, laquelle est accouplée de manière solidaire en rotation à l'arbre extérieur (11), et au moins une contre-butée (17) est prévue, laquelle est accouplée de manière solidaire en rotation à l'arbre intérieur (12), dans lequel l'angle de rotation maximal de l'arbre intérieur (12) dans l'arbre extérieur (11) est déterminé par une contiguïté de la butée (16) contre la contre-butée (17), dans lequel une roue d'entraînement (20) servant à l'entraînement en rotation de l'arbre à cames réglable (10) est disposée sur l'arbre extérieur (11), et dans lequel un disque de butée (21) est prévu et est reçu sur la roue d'entraînement (20), lequel disque de butée comprend au moins une griffe (18) pour la formation de la butée (16).
  2. Système de commande de soupape (1) selon la revendication 1, caractérisé en ce que la butée (16) est formée par l'au moins une griffe (18), et en ce que la contre-butée (17) comprend des saillies (27) entre lesquelles au moins un évidement (19) est formé, évidement dans lequel la griffe (18) pénètre.
  3. Système de commande de soupape (1) selon la revendication 1 ou 2, caractérisé en ce que la contre-butée (17) est disposée sur l'arbre intérieur (12) et est en particulier formée d'un seul tenant sur celui-ci sous la forme d'au moins une saillie (27) et est en interaction avec le disque de butée (21).
  4. Système de commande de soupape (1) comportant au moins un arbre à cames réglable (10) comprenant un arbre extérieur (11) et un arbre intérieur (12) s'étendant à travers l'arbre extérieur (11), et comportant au moins un déphaseur (13) comprenant un premier organe de réglage (14) et un deuxième organe de réglage (15) pouvant tourner par rapport au premier organe de réglage (14), dans lequel l'arbre extérieur (11) et l'arbre intérieur (12) sont reliés à respectivement un organe de réglage (14, 15), dans lequel au moins une butée (16) est prévue, laquelle est accouplée de manière solidaire en rotation à l'arbre extérieur (11), et au moins une contre-butée (17) est prévue, laquelle est accouplée de manière solidaire en rotation à l'arbre intérieur (12), dans lequel l'angle de rotation maximal de l'arbre intérieur (12) dans l'arbre extérieur (11) est déterminé par une contiguïté de la butée (16) contre la contre-butée (17), dans lequel la butée (16) est réalisée sous forme de prolongement à griffes (22) et est disposée sur l'arbre extérieur (11) côté extrémité ou est formée sur celui-ci, dans lequel des espaces intermédiaires (28) sont formés entre les griffes du prolongement à griffes (22), et la contre-butée (17) est formée par un élément à tenons (23) qui est disposé sur l'arbre intérieur (12) côté extrémité de manière correspondante au prolongement à griffes (22), dans lequel des tenons (24) de l'élément à tenons (23) pénètrent radialement vers l'extérieur dans les espaces intermédiaires (28) du prolongement à griffes (22) .
  5. Système de commande de soupape (1) selon l'une des revendications susmentionnées, caractérisé en ce que la butée (16) comprend quatre griffes (18) ou quatre prolongements à griffes (22), et en ce que la contre-butée (17) comprend quatre évidements (19) ou quatre espaces intermédiaires (28).
  6. Système de commande de soupape (1) selon l'une des revendications susmentionnées 1 à 3, caractérisé en ce que la butée (16) est intégrée dans la roue d'entraînement (20).
  7. Système de commande de soupape (1) selon l'une des revendications susmentionnées 1 à 3 ou 6, caractérisé en ce que la contre-butée (17) est formée dans la région de moyeu de la roue d'entraînement (20) sur l'arbre intérieur (12).
  8. Système de commande de soupape (1) selon l'une des revendications susmentionnées, caractérisé en ce que la butée (16) et la contre-butée (17) sont intégrées dans le déphaseur (13).
  9. Système de commande de soupape (1) selon l'une des revendications susmentionnées, caractérisé en ce que l'angle de rotation, limité par la butée (16) et la contre-butée (17), de l'arbre intérieur (12) dans l'arbre extérieur (11) est inférieur à l'angle de rotation maximal du deuxième organe de réglage (15) par rapport au premier organe de réglage (14).
  10. Système de commande de soupape (1) selon l'une des revendications susmentionnées, caractérisé en ce que des éléments de cames réglables (25) sont reçus de manière rotative sur l'arbre extérieur (11), lesquels sont reliés à l'arbre intérieur (12) à l'aide d'un boulon (26), les boulons (26) étant guidés à travers des passages dans l'arbre extérieur (11), et l'angle de rotation, limité par la butée (16) et la contre-butée (17), de l'arbre intérieur (12) dans l'arbre extérieur (11) étant inférieur à l'angle de rotation maximal des boulons (26) dans les passages.
  11. Arbre à cames réglable (10) d'un système de commande de soupape (1) comprenant un arbre extérieur (11) et un arbre intérieur (12) s'étendant à travers l'arbre extérieur (11), dans lequel une butée (16) est prévue, laquelle est accouplée de manière solidaire en rotation à l'arbre extérieur (11), et une contre-butée (17) est prévue, laquelle est accouplée de manière solidaire en rotation à l'arbre intérieur (12), dans lequel l'angle de rotation maximal de l'arbre intérieur (12) dans l'arbre extérieur (11) est déterminé par une contiguïté de la butée (16) contre la contre-butée (17), dans lequel la butée (16) est réalisée sous forme de prolongement à griffes (22) et est disposée sur l'arbre extérieur (11) côté extrémité ou est formée sur celui-ci, dans lequel des espaces intermédiaires (28) sont formés entre les griffes du prolongement à griffes (22), et la contre-butée (17) est formée par un élément à tenons (23) qui est disposé sur l'arbre intérieur (12) côté extrémité de manière correspondante au prolongement à griffes (22), dans lequel des tenons (24) de l'élément à tenons (23) pénètrent radialement vers l'extérieur dans les espaces intermédiaires (28) du prolongement à griffes (22).
EP15719446.5A 2014-05-27 2015-04-22 Commande de soupape à arbre àcames ajustable Active EP3149292B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014107459.9A DE102014107459A1 (de) 2014-05-27 2014-05-27 Ventilsteuersystem mit einer verstellbaren Nockenwelle
PCT/EP2015/058680 WO2015180896A1 (fr) 2014-05-27 2015-04-22 Système de commande de soupapes avec arbre à cames à déphasage variable

Publications (2)

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EP3149292A1 EP3149292A1 (fr) 2017-04-05
EP3149292B1 true EP3149292B1 (fr) 2019-08-07

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EP15719446.5A Active EP3149292B1 (fr) 2014-05-27 2015-04-22 Commande de soupape à arbre àcames ajustable

Country Status (5)

Country Link
US (1) US10060304B2 (fr)
EP (1) EP3149292B1 (fr)
CN (1) CN106471221A (fr)
DE (1) DE102014107459A1 (fr)
WO (1) WO2015180896A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015112475B4 (de) * 2015-07-30 2022-06-23 Thyssenkrupp Presta Teccenter Ag Verstellnockenwelle
DE102016109444A1 (de) * 2016-05-23 2017-11-23 Thyssenkrupp Ag System aus einer Nockenwelle und einer Nockenwellenhülse
DE102017205151A1 (de) 2017-03-27 2018-09-27 Mahle International Gmbh Ventiltrieb für eine Brennkraftmaschine
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EP3149292A1 (fr) 2017-04-05
WO2015180896A1 (fr) 2015-12-03
US10060304B2 (en) 2018-08-28
DE102014107459A1 (de) 2015-12-03
US20170204751A1 (en) 2017-07-20
CN106471221A (zh) 2017-03-01

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