EP2158596B1 - Dispositif de réglage électromagnétique - Google Patents

Dispositif de réglage électromagnétique Download PDF

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Publication number
EP2158596B1
EP2158596B1 EP08773520A EP08773520A EP2158596B1 EP 2158596 B1 EP2158596 B1 EP 2158596B1 EP 08773520 A EP08773520 A EP 08773520A EP 08773520 A EP08773520 A EP 08773520A EP 2158596 B1 EP2158596 B1 EP 2158596B1
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EP
European Patent Office
Prior art keywords
units
unit
actuator
armature
tappet
Prior art date
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Active
Application number
EP08773520A
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German (de)
English (en)
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EP2158596A1 (fr
Inventor
Thomas Golz
Thomas Schiepp
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ETO Magnetic GmbH
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ETO Magnetic GmbH
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Publication date
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Publication of EP2158596A1 publication Critical patent/EP2158596A1/fr
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    • 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
    • H01F7/126—Supporting or mounting
    • 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
    • F01L13/0015—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
    • 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
    • F01L2301/00—Using particular materials
    • 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
    • F01L2820/00—Details on specific features characterising valve gear arrangements
    • F01L2820/01—Absolute values
    • 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
    • F01L2820/00—Details on specific features characterising valve gear arrangements
    • F01L2820/03—Auxiliary actuators
    • F01L2820/031—Electromagnets
    • 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
    • H01F2007/1692—Electromagnets or actuators with two coils
    • 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
    • H01F7/1638—Armatures not entering the winding
    • H01F7/1646—Armatures or stationary parts of magnetic circuit having permanent magnet

Definitions

  • the present invention relates to an electromagnetic actuator according to the preamble of claim 1.
  • Such devices are known in the art, such as from EP 1 002 938 A , which is considered to be the closest prior art, known and are used for a variety of control tasks, such as in the context of internal combustion engines.
  • Object of the present invention is therefore to provide an electromagnetic actuator with a plurality of electromagnetic actuator units according to the preamble of the main claim, which is particularly beneficial in use at sites with limited installation space and in particular under conditions of use, which specify a limited maximum distance of the plunger units from each other ,
  • the plurality of actuator units (wherein a particularly preferred embodiment of the invention provides at least three actuator units with correspondingly three slide units) are provided in a preferably cylindrical and / or hollow cylindrical housing.
  • the drive of the elongate (even preferably cylindrical, more preferably realized from a metal material) ram units takes place in that the ram units sit on an engagement surface of a respective associated actuator unit (preferably there by means of magnetic effect Adhere), wherein the engagement surface typically forms the distal end of an anchor unit of the respective actuator unit.
  • the common housing accommodating the actuator units cooperates with a housing guide section (guide tube) at the end, which offers guides for the majority of tappet units, typically in the form of through holes extending parallel to each other.
  • At least one of the actuator units is space-saving, at the same time optimizes electromagnetically realized by means of a flux-conducting actuator shell unit, which is formed bow-shaped.
  • the packing density of the plurality of actuator units in the common housing can be further increased, in particular in that the actuator units are arranged so that respective Aktorenmantelüen adjacent actuators do not touch each other.
  • the armature unit from a widened armature section, which has a permanent magnet and at least one armature disc provided thereon (preferably for forming the engagement surface), this widened armature section then merging axially into an elongate armature tappet section, which is guided in a core (having a corresponding guide bore).
  • the core (core unit) can then itself preferably a further training provided compression spring, which acts against the anchor record and / or have a through hole for fluids (in particular air) for further motion optimization by means of pressure compensation.
  • the compression spring according to further development has proven to be advantageous; in the retracted state of the anchor unit this is biased by the Ankerst thoroughlyelabsacrificings. As soon as the coil unit is energized, the holding force of the permanent magnet is first weakened at the core. In addition, the repulsive force between the coil unit and permanent magnet, which then shifts by the spring force and the repulsion between the permanent magnet and the coil unit of the armature, as soon as the magnetic field is completely built up.
  • At least one of the (metallic) ram units is provided with several sections in the axial direction: a first, magnetically optimized section of the ram unit forms the engagement-side end face, ie acts with the Engagement surface of the armature unit together, while an opposite second tappet portion, such as for the purpose of cooperating with a downstream actuator, is optimized in terms of hardness or wear properties.
  • a first, magnetically optimized section of the ram unit forms the engagement-side end face, ie acts with the Engagement surface of the armature unit together, while an opposite second tappet portion, such as for the purpose of cooperating with a downstream actuator, is optimized in terms of hardness or wear properties.
  • the first magnetically optimized portion of the plunger unit by means of a soft magnetic material, more preferably ferromagnetic metals (such as iron, cobalt, nickel) are low to implement.
  • ferromagnetic metals such as iron, cobalt, nickel
  • the second plunger section of austenitic material in which case in particular methods of cold deformation, the hardness of the second section can further increase. It is not necessarily the ram unit of two separate workpieces to realize, but may be provided in the context of the present invention, as the second, wear-optimized section by a (eg by a heat treatment) hardened portion of an otherwise soft magnetic material form.
  • the present invention in particular for a realization of actuating tasks by means of three mutually parallel to the axis and extending in a plane ram units is suitable, for example, for the camshaft adjustment of an internal combustion engine, the present invention is not limited thereto.
  • the distance between two mutually guided ram units within the scope of the invention can also be advantageously optimized, just as implementation forms are conceivable in which more than three ram units are driven in a compact and space-optimized manner by an associated actuator unit.
  • the present invention is not limited thereto; Rather, it is sufficient for realizing the advantages according to the invention, if only one component of the motion vector of each ram unit in the direction of adjustment, in particular also skewed or otherwise mutually inclined directions of extension of the ram units are included in the present invention.
  • the leadership of the plunger units in a common housing is the typical implementation, conceivable and included in the invention, however, are also variants in which respective plunger units are guided in separate, corresponding to each other adjacent individual housings.
  • FIGS. 1 to 3 to the first embodiment show how three actuator units 10, 12, 14 in a housing (shown only a circular housing cover 16 as a yoke) are distributed so that the actuator units 10 to 14 on a hollow cylindrical inner wall of a housing shell 18 (in the FIGS. 1 and 3 not shown) abut.
  • On the housing cover (yoke) 16 sits an engagement-side, flat housing portion 20, which has three juxtaposed in an extension plane breakthroughs for guiding three ram units 22, 24, 26, which are mounted axially parallel in the manner shown and in the manner to be described by an associated the actuator units 10, 12, 14 are selectively driven.
  • a maximum diameter d ( FIG. 2 ) one of the actuator units 10 to 14 about 17 mm; the arrangement shown can thus with assumed diameter of the elongated-cylindrical ram units 22, 24, 26 of 5 mm in the in FIG. 3 shown way realize a mean axial distance a of the plunger units of 7 mm, according to the installation and setting conditions to a downstream unit, in the present embodiment, a camshaft control for an internal combustion engine, which by the three plungers 22, 24, 26 can be actuated (not shown).
  • FIGS. 4 and 5 illustrate in particular the geometric relationships in the transition between the actuator units 10 to 14 (more precisely, the engagement-side engaging surfaces 28, 30, 32 of the actuator units) and each directed thereto end faces 34, 36 and 38: it turns out, cf. in particular the sectional view of Fig. 4 in that the tappet units 22, 24, 26 respectively rest eccentrically on the disc-shaped engagement surfaces 28 to 32, wherein the likewise circular end faces 34 to 38 in the in Fig. 4 shown partially protrude beyond a respective outer edge of the engaging surfaces 28 to 32 of the actuator units.
  • plane faces In this case, have in the illustrated embodiment, such as in the Fig. 5 shown, plane faces.
  • these may also have a different contouring, such as a convex (convex) outer shape, to take account of a possible circumstance that in alternative embodiments, the direction of movement of the actuator units does not match the direction of movement of the plunger units, but about the plunger units (also relative to each other ) with respect to the direction of movement of the actuator units (or their engagement surfaces 28 to 32) are inclined.
  • the yoke element 48 is initially surrounded by a coil support 56 and a winding 58 having coil unit, which in turn is surrounded in sections in the circumferential direction of a bow-shaped flux guide 60, which at one end offers a breakthrough for a narrow end of the yoke element 48, the other in two free Legs 62, 64 opens, which limits the travel of the armature (and thus also the pole plate 46 with engagement surface).
  • FIGS. 7 and 8 show the bow-shaped flux guide 60 in detail; the legs 62 and 64 are elongated cylindrical section-shaped and sit integrally on a bottom portion 66. Variants of this embodiment in the context of the present invention also provide that the bow-shaped flux guide 60 has only one leg and another of the pair of legs 62 and 64 accounts can. Although this leads to a reduction of the magnetic properties, but potentially allows even further densification of a plurality of actuator units formed therewith into a compact structure.
  • FIGS. 9 and 10 illustrate as an isolated representation of an actuator unit with a plunger unit, as - with virtually undisturbed electromagnetic functionality - the bow-shaped flux guide 60 in the circumferential direction only partially opposite the arrangement of coil unit, yoke element and armature unit surrounds, at the same time the possibility for the ram unit 22 shown opens at the edge with a part of the end face on the engagement surface 28 also to protrude.
  • FIG. 2 illustrates in this context, as the elongated-disc-shaped bottom portions 66 and the legs 62, 64 of the respective flux guides are placed so that - to minimize the packing density in the hollow cylindrical housing - no mutual influence of the flux guide 60 takes place, but the (smaller) outer diameter
  • the coil units can be effectively used to minimize the space.
  • FIGS. 11 to 14 show an alternative embodiment of the present invention according to a second embodiment.
  • This embodiment provides only two plunger units 70, 72, which are moved by respectively associated actuator units 74 and 76, respectively.
  • the actuator units 74 and 76 correspond constructively based on the FIGS. 6 to 8 explained realization and sit in the illustrated embodiment in a common housing 78 which has a flat contour (the reference numeral 80 shows schematically a mounting flange for the housing assembly 78).
  • FIG. 12 illustrates, in turn, the elongated-cylindrical plunger units 70, 72 are guided in a front housing portion 82 so that they are parallel to each other while minimizing their axial distance (again about 7 mm), wherein like the FIG. 12 can detect, in the inventive manner, the ram units 70, 72 each eccentrically on the formed by a respective pole plate 46 outer engagement surfaces sit (or adhere there magnetically).
  • the plunger units 70 and 72 respectively consist of two sections, a first, magnetically optimized section 84 and a second section 86 which abuts in the longitudinal direction and which is adapted in particular for optimized interaction with an engagement element on the end, such as by suitable curing (or other forms of wear resistance or the like).
  • a respective one of the ram units 70, 72 is assembled from two suitable metal materials for the sections 84, 86, respectively;
  • Other alternatives for realizing the multiple sections are conceivable, as well as a use of the two-piece ram units in the context of the first embodiment of the FIGS. 1 to 10 (In this respect shows the FIG.
  • first section 84 and the second section 86 are on the DE 20 2006 011 905 U1 the applicant referred; Thereafter, the use of a soft magnetic or ferromagnetic material for the first section is particularly favorable, while about an austenitic material for the realization of the second section is favorable and both sections are permanently connected to each other by suitable joining methods.
  • the second section by hardening or the like measures of an otherwise magnetically favorable (eg soft-magnetic) material.
  • FIGS. 13 and 14 clarify the detail views of the FIGS. 13 and 14 again the eccentric and also laterally superior seating of the plunger units on or on a respective engagement surface.
  • FIGS. 15 and 16 illustrate a magnetic interaction between two adjacent actuator units, this being true both for the first embodiment with three ram units, as well as for the second embodiment with two plunger units applies:
  • the FIG. 15 schematically shows how in the inserted state of two adjacent actuator units, the respective permanent magnet disc 44 (magnetized in the axial direction) is in each case at the same height, in other words and as by the double arrows in Fig. 15 shown, it comes to a repulsion effect of the respective same magnetic poles from each other, so that a repulsive force between the respective anchor units in this operating condition exists.
  • FIGS. 18 and 19 illustrate as a side or perspective view of such a variant, namely a tilted in its direction of movement relative to the actuator movement direction plunger, which also frontally in its engagement area to the actuator has no plane, but a spherical (concave) end face.
  • the present invention is not limited to the configurations shown with two or three plunger units, but is in principle also suitable for a larger number of actuator and associated plunger units.
  • a preferred field of application of the present invention in the realization of control tasks in internal combustion engines, such as in the camshaft adjustment, in principle the scope of the present invention is unlimited and particularly advantageous where only a small installation space for a plurality of actuator units available stands, but at the same time each ram must meet their purpose with only a very small distance from each other.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnets (AREA)
  • Valve Device For Special Equipments (AREA)

Claims (11)

  1. Dispositif de réglage électromagnétique comprenant une pluralité d'unités d'actionneur électromagnétiques (10, 12, 14) qui peuvent être commandées de manière sélective pour exercer une force de réglage sur une pluralité correspondante d'unités de poussoir allongées (22, 24, 26), les unités d'actionneur (10, 12, 14) étant prévues dans un boîtier (18, 20 ; 78, 82) de préférence avec leurs axes parallèles les uns aux autres le long de leur direction de réglage ou étant prévues dans des boîtiers individuels séparés adjacents les uns aux autres, et formant respectivement, à une extrémité d'engagement tournée vers l'une respective associée parmi les unités de poussoir (22, 24, 26), une surface d'engagement plane au moins par sections et pouvant être déplacée axialement dans la direction de réglage, et une surface frontale (34, 36, 38), située du côté de l'engagement, d'une respective parmi les unités de poussoir (22, 24, 26) coopérant avec la surface d'engagement (28, 30, 32), caractérisé en ce qu'au moins une parmi la pluralité d'unités de poussoir (22, 24, 26) repose, par sa surface frontale (34, 36, 38) située du côté de l'engagement, de manière excentrée, en particulier par seulement une surface partielle, sur la surface d'engagement (28, 30, 32) de l'unité d'actionneur associée (10, 12, 14), en particulier adhère de façon magnétique sur celle-ci.
  2. Dispositif selon la revendication 1, caractérisé en ce que la pluralité d'unités d'actionneur (10, 12, 14) est prévue de manière directement adjacente les unes aux autres dans l'espace intérieur cylindrique creux au moins par sections du boîtier, de telle sorte que les unités d'actionneur (10, 12, 14) s'appliquent contre la paroi intérieure de boîtier.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce qu'au moins l'une des unités d'actionneur (10, 12, 14) comprend une unité d'armature comprenant des moyens d'aimant permanent (44) et formant, du côté de l'engagement, la surface d'engagement (28, 30, 32), laquelle unité d'armature peut être déplacée par l'alimentation en courant électrique d'une unité de bobine fixe (56, 58).
  4. Dispositif selon la revendication 3, caractérisé en ce que l'unité de bobine est entourée par une unité d'enveloppe d'actionneur (60) cylindrique ou cylindrique creuse au moins par sections et guidant le flux magnétique, de telle sorte que la surface d'engagement (28, 30, 32) puisse être déplacée dans une extrémité ouverte de l'unité d'enveloppe d'actionneur.
  5. Dispositif selon la revendication 4, caractérisé en ce que l'unité d'enveloppe d'actionneur est réalisée en forme d'étrier de telle sorte qu'une branche libre (62, 64) de l'unité d'enveloppe d'actionneur forme une limitation périphérique en forme de section cylindrique creuse de l'unité d'armature ainsi que de l'unité de bobine.
  6. Dispositif selon l'une quelconque des revendications 3 à 5, caractérisé en ce que l'unité d'armature comprend une section d'armature (46) élargie comprenant les moyens d'aimant permanent axialement à l'extérieur de l'unité de bobine ainsi qu'une section de poussoir d'armature allongée (40) reposant sur celle-ci qui est guidée au moins par sections dans une unité de noyau allongée (48), entourée par l'unité de bobine, de l'unité d'actionneur (10, 12, 14).
  7. Dispositif selon la revendication 6, caractérisé en ce que l'unité de noyau (48) est réalisée en un matériau magnétique et/ou comprend un passage (52), en particulier un trou débouchant (52), permettant l'équilibrage de la pression de fluide.
  8. Dispositif selon l'une quelconque des revendications 3 à 7, caractérisé en ce que l'unité d'armature est guidée à l'encontre de la force d'un ressort prévu de préférence axialement, en particulier d'un ressort de compression (54) agissant à l'encontre de la section de poussoir d'armature (40) et/ou prévu dans le passage (52).
  9. Dispositif selon l'une quelconque des revendications 1 à 8, caractérisé en ce que la pluralité d'unités d'actionneur électromagnétiques (10, 12, 14) ainsi que la pluralité correspondante d'unités de poussoir (22, 24, 26) vaut au moins 3 et les unités de poussoir (22, 24, 26) sont guidées par rapport aux unités d'actionneur (10, 12, 14) de telle sorte que les axes longitudinaux respectifs des unités de poussoir (22, 24, 26) se situent dans un plan commun.
  10. Dispositif selon l'une quelconque des revendications 1 à 9, caractérisé en ce qu'au moins l'une des unités de poussoir (22, 24, 26) forme dans la région de la surface frontale (34, 36, 38) située du côté de l'engagement, une première section (84), optimisée en ce qui concerne le matériau pour coopérer de manière magnétique avec l'unité d'actionneur associée (10, 12, 14), en particulier ferromagnétique, ainsi que, à l'opposé de cette première section le long de la direction d'étendue, du côté de l'extrémité, une deuxième section (86), durcie et/ou optimisée en termes d'usure en ce qui concerne le matériau, en particulier austénitique.
  11. Utilisation du dispositif selon l'une quelconque des revendications 1 à 10 pour des tâches de réglage sur un moteur à combustion interne, en particulier pour le réglage de l'arbre à cames.
EP08773520A 2007-06-19 2008-06-19 Dispositif de réglage électromagnétique Active EP2158596B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007028600A DE102007028600B4 (de) 2007-06-19 2007-06-19 Elektromagnetische Stellvorrichtung
PCT/EP2008/004935 WO2008155119A1 (fr) 2007-06-19 2008-06-19 Dispositif de réglage électromagnétique

Publications (2)

Publication Number Publication Date
EP2158596A1 EP2158596A1 (fr) 2010-03-03
EP2158596B1 true EP2158596B1 (fr) 2013-03-27

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EP08773520A Active EP2158596B1 (fr) 2007-06-19 2008-06-19 Dispositif de réglage électromagnétique

Country Status (6)

Country Link
US (1) US8176887B2 (fr)
EP (1) EP2158596B1 (fr)
JP (1) JP5307803B2 (fr)
CN (2) CN103971877B (fr)
DE (2) DE102007028600B4 (fr)
WO (1) WO2008155119A1 (fr)

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DE102014109619A1 (de) 2014-07-09 2016-01-14 Kendrion (Villingen) Gmbh Stellvorrichtung
DE102014109634A1 (de) 2014-07-09 2016-01-14 Kendrion (Villingen) Gmbh Stellvorrichtung
DE102015103169A1 (de) 2015-03-04 2016-09-08 Kendrion (Villingen) Gmbh Stellvorrichtung mit eingehängten Stößeln
EP3067524A1 (fr) 2015-03-13 2016-09-14 Kendrion (Villingen) GmbH Élément de réglage destiné à un déplacement axial d'un ensemble de cames coulissant le long d'un axe d'arbre à came
DE102016116777A1 (de) 2016-09-07 2018-03-08 Kendrion (Villingen) Gmbh Elektromagnetische Stellvorrichtung insbesondere zum Verstellen von Nockenwellen eines Verbrennungsmotors
DE102016116776A1 (de) 2016-09-07 2018-03-08 Kendrion (Villingen) Gmbh Elektromagnetische Stellvorrichtung insbesondere zum Verstellen von Nockenwellen eines Verbrennungsmotors
WO2018184975A1 (fr) 2017-04-06 2018-10-11 Kendrion (Villingen) Gmbh Dispositif de réglage électromagnétique, en particulier pour faire varier le calage d'arbres à cames d'un moteur à combustion interne
DE102017119001A1 (de) 2017-08-21 2019-02-21 Kendrion (Villingen) Gmbh Elektromagnetische Stellvorrichtung

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DE202009006940U1 (de) * 2009-04-16 2010-09-02 Eto Magnetic Gmbh Elektromagnetische Nockenwellen-Verstellvorrichtung
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DE102009043722A1 (de) 2009-10-01 2011-04-07 Pierburg Gmbh Aktuator für eine Verbrennungskraftmaschine
DE102009049009B4 (de) 2009-10-09 2012-10-04 Pierburg Gmbh Aktuator für eine Verbrennungskraftmaschine
DE102009056609A1 (de) 2009-12-02 2011-06-09 Schaeffler Technologies Gmbh & Co. Kg Elektromagnetische Stellvorrichtung
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EP3067524A1 (fr) 2015-03-13 2016-09-14 Kendrion (Villingen) GmbH Élément de réglage destiné à un déplacement axial d'un ensemble de cames coulissant le long d'un axe d'arbre à came
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US20100192885A1 (en) 2010-08-05
DE202008008142U1 (de) 2008-10-30
DE102007028600B4 (de) 2011-06-22
CN103971877A (zh) 2014-08-06
DE102007028600A1 (de) 2008-12-24
JP2010530621A (ja) 2010-09-09
US8176887B2 (en) 2012-05-15
CN103971877B (zh) 2016-10-19
CN101689419A (zh) 2010-03-31
JP5307803B2 (ja) 2013-10-02
CN101689419B (zh) 2014-05-21
WO2008155119A1 (fr) 2008-12-24

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