EP3237730B1 - Système de distribution pour moteur à combustion interne - Google Patents

Système de distribution pour moteur à combustion interne Download PDF

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Publication number
EP3237730B1
EP3237730B1 EP15804071.7A EP15804071A EP3237730B1 EP 3237730 B1 EP3237730 B1 EP 3237730B1 EP 15804071 A EP15804071 A EP 15804071A EP 3237730 B1 EP3237730 B1 EP 3237730B1
Authority
EP
European Patent Office
Prior art keywords
engagement element
switching position
valve train
cam
engagement
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
EP15804071.7A
Other languages
German (de)
English (en)
Other versions
EP3237730A1 (fr
Inventor
Juergen Bauer
Matthias Lahr
Marc Oliver Wagner
Benjamin Zeller
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.)
Mercedes Benz Group AG
Original Assignee
Daimler 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 Daimler AG filed Critical Daimler AG
Publication of EP3237730A1 publication Critical patent/EP3237730A1/fr
Application granted granted Critical
Publication of EP3237730B1 publication Critical patent/EP3237730B1/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
    • F01L1/02—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
    • F01L1/02—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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0036—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
    • 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
    • F01L13/06—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
    • 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0036—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
    • F01L2013/0052—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction with cams provided on an axially slidable sleeve

Definitions

  • the invention relates to a valve drive device for an internal combustion engine, an internal combustion engine with an engine brake and a method for operating the valve drive device.
  • the valve drive device comprises an axially displaceable cam element and an adjusting device.
  • the adjusting device comprises a first engagement element which is provided to axially displace the cam element into a first switching position. Furthermore, the adjusting device comprises a second engagement element which is provided to axially displace the cam element into a second switching position.
  • the adjusting device has a first slide track, in which the first engagement element is guided in the first switching position. Furthermore, the adjusting device has a second slide track, in which the second engagement element is guided in the second switching position.
  • the first engagement element is forcibly coupled to the second engagement element.
  • the invention is in particular the object of achieving a particularly reliable operation of an internal combustion engine. It is achieved by an inventive embodiment according to claims 1 and 9, and by a method according to the invention according to claim 10. Further developments of the invention will become apparent from the dependent claims.
  • the invention is based on a valve drive device for an internal combustion engine, with an axially displaceable cam element and with an adjusting device, which comprises a first engagement element which is intended to axially displace the cam element into a first switching position, and which comprises a second engagement element is provided to the cam member in a second switching position to move axially, wherein the adjusting device comprises a first slide track, in which the first engagement element is guided in the first switching position, and a second slide track, in which the second engagement element is guided in the second switching position, wherein the first engagement element with the second engagement element positively designed is formed.
  • the adjusting device comprises a triggering device, which is provided to hold the first engaging element in the second switching position against a restoring force.
  • a triggering device which is provided to hold the first engaging element in the second switching position against a restoring force.
  • Additional triggering devices can be advantageously avoided.
  • frequent changes of the switching positions can be carried out particularly reliably, which is particularly advantageous for an engine brake of a brake engine, in particular of a truck.
  • the valve drive device is preferably provided for an internal combustion engine of a truck.
  • the cam element is preferably rotatably and axially displaceably mounted.
  • a “rotatably and axially displaceably mounted cam member” should be understood in particular a cam member which is rotatably and axially displaceably mounted relative to a cylinder head or other stationary arranged component of the internal combustion engine.
  • a bearing element rotatably receives the cam member and, in particular together with the cam member, mounted axially displaceable in the cylinder head.
  • the term “axial” is particularly related to a main axis of rotation of the cam member, so that the term “axial” refers in particular to a direction which is parallel or coaxial with the main axis of rotation.
  • the term “radial” is particularly related to the main axis of rotation of the cam member, so that the term “radial” refers in particular to a direction which is perpendicular to the main axis of rotation.
  • the cam element is preferably axially displaceable for valve lift switching.
  • a "valve lift changeover” is to be understood in particular as a discrete switchover between at least two valve actuation curves which define an actuation of at least one gas exchange valve.
  • a “cam element” should in particular be understood to mean an element which has at least one cam for actuating a gas exchange valve. Is preferred merely providing the first engagement member for axial displacement of the cam member in two opposite directions.
  • a “first switching position” should be understood in this context in particular an operating position.
  • a “second shift position” should be understood in this context, in particular a release position and / or an engine brake position.
  • the restoring force is at least substantially constant.
  • provided is to be understood in particular to be specially designed, designed, equipped and / or arranged.
  • the triggering device comprises an electromagnet, which is provided to hold the first engagement element in the second switching position against the restoring force.
  • the triggering device is provided to provide a triggering force, which extends radially starting from the cam element.
  • the triggering device comprises a return spring, which is provided for exerting the restoring force on the first engagement element in the direction of the first slide track.
  • the return spring forms a helical compression spring.
  • the restoring force is aligned radially in the direction of the cam member.
  • the return spring is provided to return the first engagement element after a shutdown of the electromagnet in the first slide track for performing a switching operation in the first switching position.
  • an operation in case of electrical failure of the electromagnet can advantageously be continued in the first switching position.
  • no external energy, such as, in particular, electrical energy is required to carry out the switching operation into the first switching position.
  • the first slide track is provided for, upon rotation of the cam member in the first switching position, the first engagement member to oscillate in a radial direction of the cam member to move.
  • the first slide track viewed over a circumferential course, different distances to the main axis of rotation of the cam member.
  • the first engagement element can advantageously be introduced as a function of a rotation angle of the cam element. This can advantageously be achieved increased reliability.
  • the first engagement element is arranged in such a way to the triggering device that the restoring force in a movement portion of the first engagement element is greater than a release force of the triggering device acting on the first engagement element.
  • a "release force” is to be understood as meaning, in particular, a holding force and / or a magnetic force, in particular an attractive magnetic force.
  • a "movement subregion” is to be understood as meaning, in particular, a subregion of a maximum possible movement region.
  • the triggering device preferably acts on the first engagement element only in a near zone with a greater release force than the restoring force. Thereby, a switching operation in an unwanted rotational angle position of the cam member can be advantageously avoided.
  • a temporal control of the triggering device can advantageously also be carried out imprecisely and / or independently of a rotational angle position of the cam element.
  • the adjusting device comprises a lever element which supports the first engagement element and the second engagement element about a common pivot axis.
  • the pivot axis is parallel to the main axis of rotation of the cam member.
  • Other triggering devices can be advantageously avoided.
  • a synchronization between a movement of the first engagement element and a movement of the second engagement element can be achieved particularly reliable and durable.
  • valve drive device comprises a camshaft for the rotationally fixed mounting of the cam element, wherein the adjusting device is arranged at a free longitudinal end of the camshaft.
  • the valve drive device can be integrated particularly easily into an internal combustion engine.
  • a "free longitudinal end” should refer in particular to a free end be understood in a main extension direction of an element.
  • a method for the axial displacement of a rotating cam member in two opposite directions from a first switching position to a second switching position is proposed, with an adjusting device, wherein a first engagement element is positively coupled to a second engagement element and wherein the first engagement element of a triggering device in the second Shift position is held against a restoring force.
  • FIGS. 1 to 9 an embodiment of the invention is shown.
  • the figures, the description of the figures and the claims contain numerous features in combination. The person skilled in the art will expediently also consider the features individually and combine them into meaningful further combinations.
  • FIGS. 1 and 2 show a valve drive device for an internal combustion engine, not shown in detail.
  • the internal combustion engine has an engine brake.
  • the valve drive device comprises an axially displaceable cam element 10.
  • the valve drive device has a camshaft 22.
  • the camshaft 22 is provided for the rotationally fixed mounting of the cam member 10.
  • the cam member 10 is rotatably connected to the camshaft 22.
  • the cam element 10 is rotatably mounted about a main axis of rotation 23.
  • the camshaft 22 is rotatably supported about the main rotation axis 23.
  • the camshaft 22 has two differently configured, not shown in detail cam.
  • the different cams have a same base circle radius.
  • the different cams are each provided for different operating modes, such as in particular for a firing mode and for an engine braking mode.
  • the valve drive device has an adjusting device 11.
  • the adjusting device 11 comprises a first engagement element 12.
  • the first engagement element 12 is provided for axially displacing the cam element 10 into a first switching position.
  • the first engagement element 12 is cylindrical.
  • the adjusting device 11 has a first slide track 14.
  • the first slide track 14 has different segments.
  • a segment forms a first engagement segment 27.
  • Another segment forms a first adjustment segment 28.
  • the first Einspursegment 27 extends in the circumferential direction and has three circumferentially offset by 120 ° elevations.
  • the first slide track 14 thus has, viewed over a circumferential course, different distances to the main axis of rotation 23 of the cam member 10.
  • the first engagement element 12 When the first engagement element 12 is running on the first engagement segment 27, it performs an oscillating movement during rotation of the cam element 10.
  • a maximum oscillation angle reaches the first engagement element 12 on one of the elevations.
  • a minimum oscillation angle reaches the first engagement element 12 at a middle between two elevations.
  • the first slide track 14 is provided, upon rotation of the cam member 10 in the first switching position, the first Engagement member 12 oscillating in a radial direction 19 of the cam member 10 to move.
  • first Einspursegment 27 includes the first adjustment segment 28.
  • the first adjustment segment 28 has a direction with a radial and an axial component. Due to the axial component, the cam member 10 can be moved axially.
  • a radial depth of the first adjustment segment 28 corresponds to a radial depth of the first engagement segment 27.
  • a radial height of a first guide wall 29 of the first adjustment segment 28 is constant.
  • the adjusting device 11 comprises a second engagement element 13.
  • the second engagement element 13 is provided for axially displacing the cam element 10 into a second switching position.
  • the adjusting device 11 is arranged at a free longitudinal end 26 of the camshaft 22.
  • the second engagement element 13 is cylindrical.
  • the adjusting device 11 has a second slide track 15.
  • the second slide track 15 is axially spaced from the first slide track 14.
  • the second slide track 15 has different segments.
  • One segment forms a second single track segment 30.
  • the second Einspursegment 30 extends in the circumferential direction and has a circumferentially constant distance to the main axis of rotation 23.
  • the second Einspursegment 30 includes a second adjustment segment 31.
  • the second adjustment segment 31 has a direction with a radial and an axial component. Due to the axial component, the cam member 10 can be moved axially.
  • the second adjustment segment 31 is further spaced from the main rotation axis 23 than the second engagement segment 30.
  • a step is formed over an entire circumference.
  • a height of a second guide wall 32 of the second adjustment segment 31 decreases in the circumferential direction.
  • the second adjustment segment 31 is provided to guide the second engagement element 13 along the second guide wall 32 into the engagement segment 30 when the second shift position is activated.
  • the cam member 10 is thereby displaced axially.
  • the second guide wall 32 includes an acute angle to a main rotation plane of the cam member 10.
  • the main rotation plane is perpendicular to the main axis of rotation 23.
  • the first engagement element 12 is guided in the first shift position in the first slide track 14.
  • the valve drive device is in a firing mode.
  • the first engagement element 12 is moved up and down on the first slide track 14 in a radial direction.
  • the FIG. 3 shows the first engagement element 12 with a maximum oscillation angle. In this case, the first engagement element 12 of the main axis of rotation 23 is closest.
  • One of the protrusions pushes the first engagement element 12 on a further rotation of the cam element 10 away from the main axis of rotation 23.
  • the first engagement element 12 is located between two elevations of the first engagement segment 27
  • FIG. 5 shows the first engagement element 12 with a minimum oscillation angle. In this case, the first engagement element 12 is furthest from the main axis of rotation 23.
  • the first engagement element 12 lies on one of the elevations of the first Einspursegments 27th
  • the second engagement element 13 is spaced apart from the second slide track 15 during the firing mode.
  • the first engagement element 12 is positively coupled to the second engagement element 13.
  • the adjusting device 11 comprises a lever element 33.
  • the lever element 33 supports the first engagement element 12 and the second engagement element 13 about a common pivot axis 21.
  • the common pivot axis 21 runs parallel to the main axis of rotation 23 of the cam element 10.
  • the triggering device 16 comprises a return spring 18.
  • the return spring 18 loads the first engagement element 12 with a restoring force.
  • the return spring 18 is provided for exerting the restoring force on the first engagement element 12 in the direction of the first slide track 14.
  • the return spring 18 forms a helical compression spring.
  • the restoring force is aligned radially in the direction of the cam element 10.
  • the adjusting device 11 comprises a triggering device 16.
  • the triggering device 16 is provided for changing the operating mode. More specifically, the tripping device 16 is provided for activating an engine braking mode. For this purpose, the triggering device 16 holds the first engagement element 12 against the restoring force ( Fig. 6 ).
  • the triggering device 16 comprises an electromagnet 17.
  • the electromagnet 17 is provided to hold the first engagement element 12 in the second switching position against the restoring force.
  • the electromagnet 17 is electrically actuated via a cable 34.
  • the triggering device 16 is provided to provide a triggering force that extends radially from the cam element 10.
  • the release force corresponds to a magnetic holding force in this embodiment.
  • the electromagnet 17 is arranged radially behind the first engagement element 12 starting from the main rotational axis 23.
  • the electromagnet 17 attracts the first engagement element 12 in an activated state.
  • the electromagnet 17 comprises a magnet coil 24.
  • the electromagnet 17 further comprises a magnet housing 25 in which the magnet coil 24 is arranged.
  • the return spring 18 is disposed within the magnet housing 25.
  • the return spring 18 is surrounded by the magnetic coil 24.
  • the return spring 18 is arranged coaxially with the magnet coil 24.
  • the first engagement element 12 is arranged in such a way to the triggering device 16, that the restoring force in a moving portion 20 of the first engaging member 12 is greater than acting on the first engaging member 12 triggering force of the triggering device 16.
  • a distance between the electromagnet 17 and a magnetic force of the electromagnet 17th are designed by a specialist so that the release force exceeds the restoring force only in the range of the minimum oscillation angle.
  • the electromagnet 17 If the electromagnet 17 is activated, for example, in the range of the maximum oscillation angle, the tripping device 16 does not trigger, since the magnetic force acting on the engagement element 12 is less than the restoring force of the restoring spring 18. With a decreasing oscillation angle and the associated approach of the first engagement element 12 the electromagnet 17 increases the effect of the magnetic force on the first engaging element 12 and finally exceeds the restoring force in a near area. Then, the first engagement element 12 is used to the electromagnet 17.
  • the second engagement member 13 is applied to the second slide track 15.
  • the cam member 10 is displaced axially by abutment of the second engagement member 13 on the second guide wall 32 and then moves into the second Einspursegment 30. Thereby, the cam member 10 is axially locked ( FIG. 7 ).
  • the second switching position is now taken.
  • the first engagement element 13 is in the second switching position on the electromagnet 17.
  • the electromagnet 17 is turned off.
  • the return spring 18 is provided to return the first engagement element 12 after the switching off of the electromagnet 17 in the first slide track 14 for performing the switching operation in the first switching position. In case of failure of the electromagnet 17 also carried out the implementation of the switching operation in the first switching position.
  • the return spring 18 presses the first engagement member 12 after the switching off of the electromagnet 17 on the first slide track 14.
  • the first engagement member 12 is located at the axial height of the first Verstellsegments 28.
  • the cam member 10 is axially displaced ( FIG. 9 ).
  • the cam member 10 is in the first Einspursegment 27th

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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 (9)

  1. Dispositif de commande de soupapes pour un moteur à combustion interne, comprenant un élément de came (10) mobile et un dispositif de réglage (11) qui comprend un premier élément d'engrenage (12) qui est destiné à déplacer axialement l'élément de came (10) dans une première position de commutation, et qui comprend un second élément d'engrenage (13) qui est destiné à déplacer axialement l'élément de came (10) dans une seconde position de commutation, le dispositif de réglage (11) présentant une première voie de guidage dans laquelle le premier élément d'engrenage (12) est guidé dans la première position de commutation, et une seconde voie de guidage (15) dans laquelle le second élément d'engrenage (13) est guidé dans la seconde position de commutation, le premier élément d'engrenage (12) est couplé par force au second élément d'engrenage (13), caractérisé en ce que le dispositif de réglage (11) comprend un dispositif de déclenchement (12) qui est destiné à fixer le premier élément d'engrenage (12) dans la seconde position de commutation à l'encontre d'une force de rappel et la première voie de guidage (14) est conçue pour, lorsque l'élément de came (10) tourne dans la première position de commutation, déplacer par oscillation le premier élément d'engrenage (12) dans une direction radiale (19) de l'élément de came (10).
  2. Dispositif de commande de soupapes selon la revendication 1, caractérisé en ce que le dispositif de déclenchement (16) comprend un électroaimant (17) qui est destiné à fixer le premier élément d'engrenage (12) dans la seconde position de commutation à l'encontre de la force de rappel.
  3. Dispositif de commande de soupapes selon la revendication 1 ou la revendication 2, caractérisé en ce que le dispositif de déclenchement (16) comprend un ressort de force de rappel (18) qui est destiné à exercer la force de rappel sur le premier élément d'engrenage (12) dans la direction de la première voie de guidage (14).
  4. Dispositif de commande de soupapes selon les revendications 2 et 3, caractérisé en ce que le ressort de force de rappel (18) est destiné à ramener le premier élément d'engrenage (12) après l'arrêt de l'électroaimant (17) dans la première voie de guidage (14) pour effectuer une opération de commutation dans la première position de commutation.
  5. Dispositif de commande de soupapes selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier élément d'engrenage (12) est disposé de telle sorte par rapport au dispositif de déclenchement (16) que la force de rappel dans une zone partielle de déplacement (20) du premier élément d'engrenage (12) soit supérieure à une force de rappel du dispositif de déclenchement agissant sur le premier élément d'engrenage (12).
  6. Dispositif de commande de soupapes selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de réglage (11) comprend un élément de levier (33) qui supporte le premier élément d'engrenage (12) et le second élément d'engrenage (13) autour d'un axe de pivotement commun.
  7. Dispositif de commande de soupapes selon l'une quelconque des revendications précédentes, caractérisé par un arbre à came (22) destiné à bloquer en rotation l'élément de came (10), le dispositif de réglage (11) étant disposé sur une extrémité longitudinale libre (26) de l'arbre à came (22).
  8. Moteur à combustion interne comprenant un frein moteur qui présente un dispositif de commande de soupapes selon l'une quelconque des revendications précédentes.
  9. Procédé de fonctionnement d'un dispositif de commande de soupapes selon la revendication 1, caractérisé en ce que le premier élément d'engrenage (12) est fixé par un dispositif de déclenchement (16) dans la seconde position de commutation à l'encontre d'une force de rappel.
EP15804071.7A 2014-12-23 2015-12-02 Système de distribution pour moteur à combustion interne Not-in-force EP3237730B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014019573.2A DE102014019573A1 (de) 2014-12-23 2014-12-23 Ventiltriebvorrichtung für eine Brennkraftmaschine
PCT/EP2015/002421 WO2016102042A1 (fr) 2014-12-23 2015-12-02 Système de distribution pour moteur à combustion interne

Publications (2)

Publication Number Publication Date
EP3237730A1 EP3237730A1 (fr) 2017-11-01
EP3237730B1 true EP3237730B1 (fr) 2018-09-26

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EP15804071.7A Not-in-force EP3237730B1 (fr) 2014-12-23 2015-12-02 Système de distribution pour moteur à combustion interne

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US (1) US10443454B2 (fr)
EP (1) EP3237730B1 (fr)
JP (1) JP6357590B2 (fr)
CN (1) CN107109966B (fr)
DE (1) DE102014019573A1 (fr)
WO (1) WO2016102042A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017004817A1 (de) * 2017-05-18 2018-11-22 Man Truck & Bus Ag Verfahren und Vorrichtung zum Starten eines Verbrennungsmotors
DE102017117402A1 (de) 2017-08-01 2019-02-07 Eto Magnetic Gmbh Vorrichtung und Verfahren zum Aktivieren eines Motorbremsbetriebs eines Verbrennungsmotors
DE102017009350A1 (de) 2017-10-09 2018-04-19 Daimler Ag Ventiltriebvorrichtung, insbesondere für eine Brennkraftmaschine
DE102018110705A1 (de) 2018-05-04 2019-11-07 Man Truck & Bus Se Variabler Ventiltrieb
DE102018110714A1 (de) * 2018-05-04 2019-11-07 Man Truck & Bus Se Variabler Ventiltrieb
AT521446B1 (de) 2018-06-21 2021-12-15 Avl List Gmbh Ventiltriebvorrichtung für eine brennkraftmaschine

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT408127B (de) * 1992-07-13 2001-09-25 Avl Verbrennungskraft Messtech Brennkraftmaschine mit mindestens einer durch eine verstellvorrichtung axial verschiebbaren nockenwelle
DE10351223B4 (de) 2003-10-28 2010-02-18 Hydraulik-Ring Gmbh Nockenwellenverstelleinrichtung für Fahrzeuge, vorzugsweise für Kraftfahrzeuge
DE102007048915A1 (de) 2007-10-12 2009-04-16 Daimler Ag Ventiltriebvorrichtungen
DE102008029325A1 (de) 2008-06-20 2009-12-24 Daimler Ag Ventiltriebvorrichtung
JP5117475B2 (ja) * 2009-03-23 2013-01-16 株式会社オティックス 可変動弁機構
DE102011076276A1 (de) 2011-05-23 2012-11-29 Schaeffler Technologies AG & Co. KG Dichtungsring mit poröser Membran
DE102011076726A1 (de) * 2011-05-30 2012-12-06 Schaeffler Technologies AG & Co. KG Ventiltrieb eines Verbrennungskolbenmotors
JP5793070B2 (ja) 2011-12-27 2015-10-14 株式会社オティックス 可変動弁機構
JP5873331B2 (ja) 2011-12-29 2016-03-01 株式会社オティックス 可変動弁機構
DE102012003491A1 (de) 2012-02-21 2013-08-22 Daimler Ag Kraftfahrzeugventiltriebverstellvorrichtung
JP6035965B2 (ja) 2012-08-02 2016-11-30 株式会社デンソー 電磁アクチュエータ
JP6059080B2 (ja) 2013-05-16 2017-01-11 株式会社オティックス 内燃機関の可変動弁機構
GB2545257A (en) * 2015-12-10 2017-06-14 Gm Global Tech Operations Llc Internal combustion engine comprising a shifting cam system for variable valve actuation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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DE102014019573A1 (de) 2016-06-23
JP6357590B2 (ja) 2018-07-11
US10443454B2 (en) 2019-10-15
CN107109966A (zh) 2017-08-29
US20170362964A1 (en) 2017-12-21
EP3237730A1 (fr) 2017-11-01
CN107109966B (zh) 2019-07-05
JP2017538067A (ja) 2017-12-21
WO2016102042A1 (fr) 2016-06-30

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