EP3257061B1 - Actionneur central pour déphaseur d'arbre à cames à moteur oscillant - Google Patents

Actionneur central pour déphaseur d'arbre à cames à moteur oscillant Download PDF

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Publication number
EP3257061B1
EP3257061B1 EP16703506.2A EP16703506A EP3257061B1 EP 3257061 B1 EP3257061 B1 EP 3257061B1 EP 16703506 A EP16703506 A EP 16703506A EP 3257061 B1 EP3257061 B1 EP 3257061B1
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EP
European Patent Office
Prior art keywords
armature
central actuator
central
bore
bearing bush
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
EP16703506.2A
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German (de)
English (en)
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EP3257061A1 (fr
Inventor
Dietmar Schulze
Volker Stenger
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.)
Hilite Germany GmbH
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Hilite Germany GmbH
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Publication date
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Publication of EP3257061A1 publication Critical patent/EP3257061A1/fr
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Publication of EP3257061B1 publication Critical patent/EP3257061B1/fr
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16—Rectilinearly-movable armatures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/127—Assembling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16—Rectilinearly-movable armatures
    • H01F7/1607—Armatures entering the winding
    • 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
    • F01L2001/34423—Details relating to the hydraulic feeding circuit
    • F01L2001/34426—Oil control valves
    • F01L2001/3443—Solenoid driven oil control valves
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16—Rectilinearly-movable armatures
    • H01F7/1607—Armatures entering the winding
    • H01F2007/163—Armatures entering the winding with axial bearing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/128—Encapsulating, encasing or sealing

Definitions

  • the invention relates to a central actuator, in particular for a solenoid valve of a swivel motor camshaft adjuster of an internal combustion engine of a motor vehicle.
  • an electromagnet with a cylindrical hollow magnet body which has a yoke, a pole core with a characteristic-influencing armature counterpart and a housing, as well as a cylindrical coil and a cylindrical armature with guide rod and armature piston, which is arranged displaceably to the pole.
  • the armature piston is axially displaceably mounted in a bearing tube or a bearing sleeve, with the bearing tube or bearing sleeve ending at one end within the pole core or within the armature counterpart of the pole core and at another end over the yoke, in particular up to the yoke there Transverse wall of the housing is sufficient, as well as having the sleeve base at this end in the case of the design as a bearing sleeve.
  • the pole core or its armature counterpart which is penetrated by the guide rod, closes the housing.
  • variable-force electromagnet is known, the armature space of which is closed off by means of a pole piece and a facing disc.
  • a bearing bush for mounting a plunger is arranged in a central bore of the pole piece.
  • a housing connects the facing disc and the pole piece to a flow tube assembly.
  • DE 10 2010 014140 A1 discloses an electromagnetic actuating device with an electromagnetic assembly with an external magnetic circuit and a guide and bearing area arranged at least in areas within a coil for receiving an armature system, at least one magnetic circuit part having an opening in which the armature system is at least temporarily arranged, wherein the magnetic circuit part provided with an opening is connected to a sealing element which is injection-molded onto the magnetic circuit part provided with the opening.
  • One object of the invention is to create a central actuator that is inexpensive to manufacture and easy to assemble, in particular for a solenoid valve of a swivel motor camshaft adjuster.
  • a central actuator is proposed, in particular for a solenoid valve of a swivel motor camshaft adjuster, which comprises a housing which encloses the central actuator.
  • the central actuator further comprises a pole tube and a pole core, which are arranged within at least one coil generating a magnetic field, and an actuating plunger which is arranged on an armature, which is designed to be axially displaceable in an armature space.
  • a closing element is provided for closing the armature space, which comprises at least one pole core insert with a central bore and a bearing bush arranged in the central bore of the pole core insert, the actuating tappet being mounted axially displaceably in the bearing bush.
  • the closing element further comprises a closing cover and is provided as a preassembled unit.
  • the preassembled unit allows simple assembly with simultaneous axial fixation of the pole core insert.
  • the actuating tappet is also securely guided in the bearing bushing, so that guidance of the armature on which the actuating tappet is arranged is also ensured.
  • the end cover has a central bore in which the bearing bush is arranged, so that the unit can be easily positioned.
  • the bearing bush is produced using a plastic injection molding process and the cover and the pole core insert are provided as inserts, which are provided with the material of the bearing bush overmoulded in the area of their central bores.
  • the plastic injection molding process represents a simple and very inexpensive manufacturing process, which makes it possible to manufacture the closing element simply and inexpensively.
  • the bearing bush has recesses arranged in the axial direction for equalizing pressure between the armature space and the outer space of the central actuator.
  • the pressure equalization ensures a volume equalization of the enclosed hydraulic fluid or the enclosed air between the armature space and an outer space of the central actuator.
  • a pressure equalization is important both in dry operation, that is to say when the armature space is filled with air, and also in the case of operation with hydraulic fluid in the armature space.
  • Even if hydraulic fluid has to be kept out of the area outside the pole tube, this hydraulic fluid inside the pole tube is of great advantage because it can create a pressure equalization on both sides of the armature.
  • the lubricating effect of the hydraulic fluid is advantageous, so that a reduction in friction and wear is achieved as a result.
  • the bearing bush On its side facing the armature, the bearing bush preferably has a collar as a stop for the armature during its axial movement.
  • a collar keeps the end face of the armature at a certain distance from the disc-shaped pole core insert and thus prevents the armature from sticking to the end face of the armature on the pole core insert.
  • Gluing would change the movement behavior of the anchor and that would be necessary for the operation of the anchor Significantly influence magnetic forces, so that the entire dynamic behavior of the central actuator would be changed. Therefore, such a collar as an anti-adhesive disk can positively influence the dynamic behavior as well as the energy consumption of a central actuator that is operated with magnetic forces.
  • the actuating tappet can advantageously be pressed into a central bore in the armature.
  • Armature and actuating plunger are usually made of different materials.
  • the armature is preferably made of soft iron, while the actuating tappet is made of non-ferrous metal, for example, in order to also have the necessary material properties such as hardness for operating a solenoid valve.
  • the armature must essentially have the correct magnetic properties to operate in the coil's magnetic circuit. Therefore, the armature can for example be provided with a bore into which the actuating tappet can be inserted, whereby it can preferably be pressed in, which produces an inexpensive and permanent connection between the armature and the actuating tappet.
  • the actuating plunger can have one or more transverse bores for pressure equalization between a front and a rear side of the armature between the armature and the bearing bush, which open into a central longitudinal bore leading into the bore of the armature.
  • the actuating plunger has flats which extend on both sides beyond a press-fit area of the bore, and the bore is stepped and has an enlarged inside diameter beginning in the area of the flats.
  • the flattened areas and the enlarged inner diameter can be produced simply and inexpensively, so that the volume and pressure equalization can be ensured in a simple and inexpensive manner.
  • the actuating plunger and the armature can be provided in one piece, which means that the absence of the bore for receiving the plunger results in a high
  • Magnetic force results in a compact design. Furthermore, this can improve the coaxiality of the two components.
  • the anchor can be manufactured inexpensively from a free-cutting steel.
  • the armature can be designed to be displaceable in a non-magnetic sleeve in the axial direction pointing towards the pole core insert.
  • this sleeve has a continuous inside diameter over the entire working area over which the armature travels, the armature can be guided over its entire length and it is ensured that the armature cannot tilt, which would otherwise lead to high magnetic radial forces on the armature and thus would lead to high friction with respect to the pole tube.
  • pole tube and the pole core are made in one piece and the armature is designed to be displaceable in the axial direction pointing towards the pole core insert, then, according to an alternative embodiment, guidance of the armature can also be ensured.
  • the armature preferably has a diameter shoulder as a guide surface for guidance in the armature space.
  • the guide surface of the armature can be of polygonal design and have circumferentially uniformly distributed flat areas for pressure compensation between a front and a rear side of the armature.
  • guide surface of the armature as a cylindrical diameter shoulder with an enlarged outer diameter.
  • the housing can advantageously be manufactured using a plastic injection molding process. In this way, it is possible in a cost-effective manner to manufacture the housing of the central actuator from injection-molded plastic, provided that the various components of the pole yoke that ensure the closed magnetic flux are inserted during the injection-molding process.
  • the closure of the housing from an outer space of the central actuator forms the end cover, which is preferably provided fastened to the housing by means of ultrasonic rivets.
  • Fig. 1 shows a section through a central actuator 10 according to a first embodiment of the invention.
  • the central actuator 10 which is particularly suitable for a solenoid valve of a swivel motor camshaft adjuster, comprises a pole tube 12 which is arranged within a cylindrical coil 52 which generates a magnetic field, and a housing 46 which encloses the central actuator 10.
  • the housing 46 is manufactured using a plastic injection molding process, so that it is possible in a cost-effective manner to manufacture the housing 46 and at the same time insert various components of a pole yoke 50 during the injection molding process, which ensure the closed magnetic flux.
  • the central actuator 10 further comprises an in Fig. 2 Closing element 18, shown enlarged, which closes the housing 46, wherein the closing element 18 comprises a pole core insert 22 with a central bore 24 and a bearing bush 26 arranged in the central bore 24 of the pole core insert 22. It also includes a cover 42 and is provided as a preassembled unit.
  • the end cover 42 is provided fastened to the housing 46 by means of ultrasonic rivets, for example.
  • the housing 46 has an ultrasonic geometry in the form of several projections 62 which protrude through bores 64 of the cover 42.
  • the protrusions 62 are melt-deformed by the ultrasonic riveting so that the end cap 42 is securely attached to the housing 46.
  • the end cover 42 also has a central bore 43 in which the bearing bush 26 is arranged.
  • the bearing bush 26 is expediently manufactured using a plastic injection molding process and the end cover 42 and the pole core insert 22 are provided as inserts, which are inserted into the injection molding tool when the bearing bush 26 is manufactured and the material of the bearing bush is overmolded in the area of their central bores 24, 43 . As a result, the bearing bush 26 is permanently sealed against the pole core insert 22 and the end cover 42.
  • An actuating tappet 20 is arranged on an armature 28, which is designed to be displaceable within an armature space 60 in an axial direction L pointing towards the pole core insert 22, and is mounted axially displaceably in the bearing bush 26, while the armature 28 is mounted in a non-magnetic sleeve 29 .
  • This is mounted in the pole tube 12 and a pole core 14.
  • the sleeve 29 extends to an end of an armature space 60 closed by the cover 42 and has an internal diameter extending over the entire working area over which the armature 28 moves, so that it can be guided over its entire length.
  • the sleeve 29 is sealed by means of an annular sealing element 56 which is arranged between a collar 58 of the sleeve 29 and the housing 46 and rests in a sealing manner on the end cover 42 and part of the pole yoke 50.
  • the pole tube 12 and the pole core 14 can be made in one piece.
  • the sleeve 29 can be omitted in this case and the armature 28 is designed to be displaceable in the axial direction pointing towards the pole core insert.
  • the bearing bush 26 has recesses 32 arranged in the axial direction for equalizing pressure between the armature space 60 and the outer space 54 of the central actuator 10.
  • the pressure equalization ensures a volume equalization of the enclosed hydraulic fluid or the enclosed air between the armature space 60 and an outer space of the central actuator 10.
  • Such a pressure equalization is important both during dry operation, that is to say when the armature space 60 is filled with air, and also during operation with hydraulic fluid in the armature space 60.
  • the bearing bush 26 On its side facing the armature 28, the bearing bush 26 has a collar 40 as a stop for the armature 28 during its axial movement.
  • a fixed stop keeps the end face of the armature 28 at a certain distance from the disc-shaped pole core insert 22 and thus prevents the armature 28 from sticking to the end face of the armature 28 on the pole core insert 22.
  • Gluing would change the movement behavior of the armature 28 and the Significantly influence the magnetic forces required to operate the armature 28, so that the entire dynamic behavior of the central actuator 10 would be changed as a result. Therefore, such a collar 40 as an anti-adhesive disk can positively influence the dynamic behavior and the energy consumption of a central actuator 10 which is operated with magnetic forces.
  • the actuating tappet 20 can be pressed into a central bore 30 of the armature 28. If the actuating plunger 20 is made of a different material than the armature 28, this represents a favorable solution for connecting the two components.
  • the pole yoke 50 which can be formed from several plates and / or tubes, encloses the coil 52 on its outer sides, as a result of which the coil 52 is surrounded as completely as possible by magnetic material, since the pole tube 12 is formed inside the coil 52. As a result, the magnetic flux generated by the coil 52 is concentrated as favorably as possible on the volume area in which the armature 28 can move.
  • a pressure equalization between a front and a rear side of the armature 28 is made possible by the fact that the actuating tappet 20 between the armature 28 and the bearing bush 26 has one or more transverse bores 71 which lead into a central longitudinal bore 72 leading into the bore 30 of the armature 28 open out, so that the armature 28 is acted upon by the same hydraulic pressure on both sides.
  • the armature 28 can also be mounted by means of a two-point mounting, as is described for a subsequent exemplary embodiment.
  • Fig. 3 shows a section through a central actuator 10 'according to a second embodiment of the invention. This differs from the first exemplary embodiment only in that the armature 28 'and the actuating tappet 20' are made in one piece.
  • the two in Fig. 4 The components shown are made of the same material and the actuating plunger 20 ', like the armature 28', can be made of a soft magnetic material.
  • a central actuator 10 ′ which is as compact as possible can thus be constructed.
  • a guide surface 66 on an end of the armature 28 ′ facing away from the closing element 18 is polygonal in the form of a diameter shoulder 75 and has circumferentially uniformly distributed flat areas 68, through which a pressure equalization between the front and the rear side of the armature 28 ′ is made possible.
  • the diameter shoulder 75 serving as a guide surface 66 forms a first bearing point of the armature 28 '.
  • the second bearing point of the armature 28 ' is the bearing of the actuating pin 20' in a stepped recess 70 of the bearing bush 26, which especially in Fig. 2 can be seen.
  • This two-point bearing with a large bearing spacing allows the armature 28 'to be guided well, since small coaxial errors from an outer diameter of the pole core insert 22 to an inner diameter of the bearing bush 26 and from an armature outer diameter and an outer tappet diameter can be compensated for.
  • the actuating tappet 20 ′′ is pressed into a central bore 30 ′′ of the armature 28 ′′.
  • the essentially cylindrical actuating tappet 20 ′′ in the press-in area has flattened areas 73 which are, for example, milled or turned to represent a volume or pressure equalization between the front and the rear of the armature 28 ′′.
  • the exemplary embodiment shown has, by way of example, three flat areas 73 distributed around the circumference.
  • the flattened areas 73 extend on both sides beyond the press-in area of the bore 30 ".
  • the flats 73 do not extend to one end 74 of the actuating plunger 20 ′′.
  • the bore 30 ′′ is stepped and has an enlarged inside diameter beginning in the area of the flats 73 in order to compensate for volume via the flats 73 and the end 74 to enable.
  • the armature 28 ′′ has a cylindrical diameter shoulder 75 ′′ in one end region, which, with an enlarged outer diameter, forms the guide surface 66 ′′.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Magnetically Actuated Valves (AREA)
  • Electromagnets (AREA)
  • Valve Device For Special Equipments (AREA)

Claims (15)

  1. Actionneur central (10, 10', 10"), en particulier pour une électrovanne d'un déphaseur d'arbre à cames à moteur oscillant, comportant un boîtier (46) qui entoure l'actionneur central (10, 10', 10"), un tube polaire (12) et un noyau polaire (14), lesquels sont disposés à l'intérieur d'au moins une bobine (52) générant un champ magnétique, ainsi qu'un poussoir d'actionnement (20, 20', 20"), lequel est disposé au niveau d'un induit (28, 28', 28") qui est réalisé de manière déplaçable dans la direction axiale (L) dans un espace d'induit (60), un élément de fermeture (18) servant à la fermeture de l'espace d'induit (60) étant prévu, lequel comporte au moins un insert de noyau polaire (22) doté d'un alésage central (24) et un coussinet (26) disposé dans l'alésage central (24) de l'insert de noyau polaire (22), le poussoir d'actionnement (20, 20', 20") étant monté de manière déplaçable axialement dans le coussinet (26), l'élément de fermeture (18) comportant en outre un capot de fermeture (42), caractérisé en ce que l'élément de fermeture est prévu en tant qu'unité pouvant être prémontée, le capot de fermeture (42) comprenant un alésage central (43) dans lequel le coussinet (26) est disposé et le coussinet (26) étant fabriqué à l'aide d'un procédé de moulage par injection de matière synthétique, le capot de fermeture (42) et l'insert de noyau polaire (22) étant prévus comme pièces d'insertion, lesquelles sont prévues de manière à être enrobées par injection par la matière du coussinet (26) dans la région de leurs alésages centraux (24, 43).
  2. Actionneur central (10, 10', 10") selon la revendication 1,
    caractérisé en ce que le coussinet (26) comprend des évidements (32) disposés dans la direction axiale (L) pour la compensation de pression entre l'espace d'induit (60) et l'espace extérieur (54) de l'actionneur central.
  3. Actionneur central (10, 10', 10") selon l'une des revendications précédentes, caractérisé en ce que le coussinet (26) comprend, sur son côté tourné vers l'induit (28), un épaulement (40) en tant que butée de l'induit (28, 28', 28") lors de son déplacement axial.
  4. Actionneur central (10, 10") selon l'une des revendications précédentes, caractérisé en ce que le poussoir d'actionnement (20, 20") peut être enfoncé dans un alésage central (30, 30") de l'induit (28, 28").
  5. Actionneur central (10, 10") selon l'une des revendications précédentes, caractérisé en ce que le poussoir d'actionnement (20, 20") est formé à partir d'une matière magnétiquement douce.
  6. Actionneur central (10) selon l'une des revendications précédentes, caractérisé en ce que le poussoir d'actionnement (20) comprend, pour la compensation de pression entre un côté avant et un côté arrière de l'induit (28), un ou plusieurs alésages transversaux (71) entre l'induit (28) et le coussinet (26), lesquels alésages transversaux débouchent dans un alésage longitudinal central (72) menant dans l'alésage (30) de l'induit (28).
  7. Actionneur central (10") selon l'une des revendications précédentes 1 à 5, caractérisé en ce que le poussoir d'actionnement (20") comprend des aplatissements (73), lesquels s'étendent des deux côtés au-delà d'une région d'enfoncement de l'alésage (30"), et l'alésage (30") est formé de manière étagée et présente un diamètre intérieur agrandi commençant dans la région des aplatissements (73).
  8. Actionneur central (10') selon l'une des revendications précédentes 1 à 3, caractérisé en ce que le poussoir d'actionnement (20') et l'induit (28') sont prévus d'une seule pièce.
  9. Actionneur central (10, 10', 10") selon l'une des revendications précédentes, caractérisé en ce que l'induit (28, 28', 28") est guidé de manière déplaçable dans une douille (29) non magnétique dans la direction axiale (L) orientée vers l'insert de noyau polaire (22).
  10. Actionneur central (10, 10', 10") selon l'une des revendications précédentes 1 à 8, caractérisé en ce que le tube polaire (12) et le noyau polaire (14) sont réalisés d'une seule pièce et l'induit (28, 28', 28") est réalisé de manière déplaçable dans ceux-ci dans la direction axiale (L) orientée vers l'insert de noyau polaire (22).
  11. Actionneur central (10', 10") selon l'une des revendications précédentes, caractérisé en ce que l'induit (28', 28") comprend, à une extrémité tournée vers l'élément de fermeture (18), en tant que surface de guidage (66, 66"), un épaulement de diamètre (75, 75") servant au guidage dans l'espace d'induit (60).
  12. Actionneur central (10') selon la revendication 11, caractérisé en ce que la surface de guidage (66) de l'induit (28') est formée de manière polygonale et comprend des aplatissements (68) répartis de manière uniforme en périphérie et servant à la compensation de pression entre un côté avant et un côté arrière de l'induit (28').
  13. Actionneur central (10") selon la revendication 11, caractérisé en ce que la surface de guidage (66") de l'induit (28") est prévue en tant qu'épaulement de diamètre cylindrique (75") présentant un diamètre extérieur agrandi.
  14. Actionneur central (10, 10', 10") selon l'une des revendications précédentes, caractérisé en ce que le boîtier (46) est fabriqué à l'aide d'un procédé de moulage par injection de matière synthétique.
  15. Actionneur central (10, 10', 10") selon la revendication 14, caractérisé en ce que le capot de fermeture (42) est prévu de manière fixée au boîtier (46) par rivetage par ultrasons.
EP16703506.2A 2015-02-13 2016-02-03 Actionneur central pour déphaseur d'arbre à cames à moteur oscillant Active EP3257061B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015102066.1A DE102015102066A1 (de) 2015-02-13 2015-02-13 Zentralaktuator für einen Schwenkmotorversteller einer Nockenwelle
PCT/EP2016/052311 WO2016128279A1 (fr) 2015-02-13 2016-02-03 Actionneur central pour déphaseur d'arbre à cames à moteur oscillant

Publications (2)

Publication Number Publication Date
EP3257061A1 EP3257061A1 (fr) 2017-12-20
EP3257061B1 true EP3257061B1 (fr) 2021-04-28

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EP16703506.2A Active EP3257061B1 (fr) 2015-02-13 2016-02-03 Actionneur central pour déphaseur d'arbre à cames à moteur oscillant

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US (1) US10340069B2 (fr)
EP (1) EP3257061B1 (fr)
CN (1) CN107004487B (fr)
DE (1) DE102015102066A1 (fr)
WO (1) WO2016128279A1 (fr)

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Publication number Publication date
EP3257061A1 (fr) 2017-12-20
US20170345538A1 (en) 2017-11-30
CN107004487A (zh) 2017-08-01
DE102015102066A1 (de) 2016-08-18
US10340069B2 (en) 2019-07-02
WO2016128279A1 (fr) 2016-08-18
CN107004487B (zh) 2018-10-16

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