EP1163687B1 - Electroaimant - Google Patents

Electroaimant Download PDF

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Publication number
EP1163687B1
EP1163687B1 EP01942784A EP01942784A EP1163687B1 EP 1163687 B1 EP1163687 B1 EP 1163687B1 EP 01942784 A EP01942784 A EP 01942784A EP 01942784 A EP01942784 A EP 01942784A EP 1163687 B1 EP1163687 B1 EP 1163687B1
Authority
EP
European Patent Office
Prior art keywords
plates
bearing
actuator
armature
yoke
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.)
Expired - Lifetime
Application number
EP01942784A
Other languages
German (de)
English (en)
Other versions
EP1163687A1 (fr
Inventor
Heinz Leiber
Dirk Dünkel
Frank KÄHNY
Ralf Hecker
Stefan Masak
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.)
TE Connectivity Germany GmbH
Original Assignee
Tyco Electronics AMP GmbH
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 Tyco Electronics AMP GmbH filed Critical Tyco Electronics AMP GmbH
Publication of EP1163687A1 publication Critical patent/EP1163687A1/fr
Application granted granted Critical
Publication of EP1163687B1 publication Critical patent/EP1163687B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01F7/14—Pivoting armatures
    • 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
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/02—Cores, Yokes, or armatures made from sheets
    • 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
    • H01F7/081—Magnetic constructions
    • 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
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means
    • F01L9/21—Valve-gear or valve arrangements actuated non-mechanically by electric means actuated by solenoids
    • F01L2009/2105—Valve-gear or valve arrangements actuated non-mechanically by electric means actuated by solenoids comprising two or more coils
    • F01L2009/2109—The armature being articulated perpendicularly to the coils axes

Definitions

  • the invention relates to electromagnets with the features of the preamble of claim 1.
  • Joches of magnetic circuits for electromagnets are bolted or obtained by beading in the sheets together a positive connection. This is the usual technique z. B. for ignition transformers. Usually, these yokes also still sprayed with plastic. The problem is the residual stress thin sheets, which act like disc springs and a dense composite in which every sheet is without play in the composite, by a bracing with screws very difficult.
  • the invention is based on the object, a large To achieve stiffness with small deformations, at small Dimensions and small weight.
  • the magnets must be easily adjustable on the anchor.
  • claims 12 to 26 is an application of the invention described in an actuator in which the invention particularly favorable effect.
  • the stiffness is predominantly due to the yoke stiffeners achieved, which not only absorb the magnetic forces but with the training of the actuator with swivel anchor and use a torsion spring as well the bearing forces and the support torque of the torsion bar on the bearing plate. Small dimensions are relatively thin Achieved bearing plates, which are also advantageous for the coil terminals described later. critical is the good non-positive and / or positive connection between the bearing plates and the yoke packages, as the Yoke stiffeners through the yoke side plates the forces derive from the bearing plate in these, so that consuming, thick bearing plates are prevented. The stiffness is by appropriate vote of the Jochpers with the yoke stiffeners and a corresponding design reached the bearing plates.
  • Fig. 1 and Fig. 2 is an electromagnetic actuator 1 for the valve actuation of an internal combustion engine partially shown.
  • the actuator 1 has two electromagnets 2 and 3 consisting of bipolar yokes 2a and 3a and each a winding 2b and 3b.
  • the electromagnets 2 and 3 work together with a lever 4, which with an anchor tube 4a is connected.
  • This anchor tube 4a is around a Axis 5 pivotally mounted.
  • a torsion spring 6 is arranged in the form of a torsion bar, which is rigidly clamped at one end and with its other end is connected to the anchor tube 4a.
  • the torsion bar 6 generates, for. B. both acting on the lever 4 Spring forces.
  • the lever 4 carries an armature 7, the cooperates with the electromagnets 2 and 3 and the Pivoting movement generated.
  • the right end 4b of the lever 4 acts on a shaft, not shown, of a valve.
  • FIG. 2 shows that the yoke 2a consists of lamellae 2a ' composed of magnetic material. It is for Improving the clarity of only a part of the disk pack 2a. In practice, the entire room between the bearing plates 8 with fins 2a 'filled.
  • the two bearing plates 8 are by two yoke side plates 9 and 10 connected to each other, wherein the Side plates 9 and 10 are welded into the bearing plates 8 are.
  • the lamellae 2a ' have small bulges 2a '', via which they hung in the side plates 8, 9 are.
  • the side plates 9 and 10 can not be executed magnetic material and they can by an insulation 11 of the slats 2a 'electrically be isolated. This isolation can also be achieved by a Air gap happen.
  • the side plate 10 is as a profile formed so that they can surround the winding 2 b. The profile increases the flexural rigidity of the side panel 10 additionally in the transverse direction.
  • the two side plates 9 and 10 are attached to the upper end of the yoke, whose Bulge has little magnetic flux and thus also low Generated eddy currents.
  • the assembly of the electromagnet 2 goes into the following Way ahead: First, the side plates 9, 10 are only loosely connected to the bearing plates 8. The lamellae 2a ' are hung in the side panels 9, 10.
  • the anchor is brought into the end position shown in FIG. 1 and the slats or the plate pack with the side plates as a stable composite shifted so that the slats on the anchor 7 lie directly or with a predetermined small air gap to the anchor 7 lie.
  • the two bearing plates 8 on the disk pack 2a pressed and then the side plates 9, 10th connected to the bearing plates at 12, z. B. welded, soldered or caulked.
  • an additional tension be generated.
  • the lamellae may have intermeshing toothings and / or it may, for example, near the pole, z. B. at 13 welds of the slats 2a 'with each other, and / or an encapsulation of the disk pack may be provided.
  • the fins are welded to the side plates, wherein previously the disk set can be compressed with a defined force.
  • the electromagnet 3 can be assembled in an equivalent manner.
  • Figs. 1 and 2 show that the entire actuator on common bearing plates 8 is arranged. You can do that Bearing plates 8 but also extend to the right and in These extensions of the bearing plates 8 another Actuator in the same way, but arranged rotated by 180 °, one must pay attention to the lever ends 4b and the valves driven by them towards the Paper level into each other.
  • Fig. 3 shows an embodiment in which the left Side plate 10 as shown in FIGS. 1 and 2 is formed.
  • the right side plate 19 covers in comparison to the side plate 9 of Figs. 1 and 2 to a much greater extent the side surface of the yoke 2a.
  • This side plate 19 is along its edges 20 at least with a part of Slats 2a 'welded.
  • This side plate can be made of non-magnetic Material consist; she can over the Slats 2a 'except for the welded edges 20 be electrically isolated. This can also be designed be that the side plate inserted into the slats becomes, as shown on the right half of the picture.
  • the side plate can be magnetically conductive and without Insulation abut the yoke, whereby the magnetic flux supports becomes. At the ends is also this side plate 19 connected to the bearing plates 8.
  • Fig. 4 shows a section through a double actuator, as indicated above.
  • a laminated anchor 25 is shown. This is connected to a shown anchor tube 21, in which a torsion bar 22 extends. It is also shown the bearing 23 and 23 a of the anchor tube in the bearing plate. This bearing 23 and 23a can be realized by sliding or rolling bearings.
  • On the left side of the torsion bar 22 is connected to the anchor tube 21 and on the right side with a housing-fixed pivot rod receptacle 24, which is in turn connected to a lever 24a as an extension acting approximately in the center of the bearing plate 25 r with this at S 1 is welded.
  • This welding allows accurate adjustment of the torsion bar force by the armature is brought into the closed position of the valve shown in Fig. 2 and then the torsion bar lever 24a is rotated until the corresponding force is reached. Subsequently, the welding takes place.
  • a hydraulic clearance compensation element directly to the armature 25 and the required pressure oil, z. B. via a valve actuating lamella 25a of the armature 25 between the armature and valve arranged clearance compensation element (not shown) to supply.
  • an oil connection 26 is necessary, which is preferably connected to a pressure line of a pump of the engine lubricating oil pump. So that the pressure oil does not escape from the bearing 23a, a sealing element 26a is arranged behind this bearing.
  • the pressure oil passes via the anchor tube 21 into the channel 27 in the valve actuating lamella 25a.
  • the valve actuating blade 25a is arranged off-center.
  • the corresponding blade of the adjacent actuator (half of the picture) is designated 25a '.
  • the distance of the fins 25a and 25a ' corresponds to the valve spacing. From this, the advantage of this arrangement can be seen, since it can be adapted to the valve distances in a wide range.
  • the valve operating blades 25 a and 25 a ' are embedded in the armature packet.
  • the bearing bushes 28 are welded or soldered. For exact alignment, this is done in a corresponding device.
  • angle pieces of which in Fig. 6, the angle piece for the bearing plate 25 L is shown, the actuator with screws 29 is connected to the cylinder head 35.
  • the bearing plates are relatively thin (about 1.5 to 2mm thick).
  • the end lamellae are about 3mm thick, the other lamellae about 0.3mm.
  • Fig. 4 shows the corresponding elements of the adjacent actuator.
  • the outer yoke reinforcement is effected by the side plate 32, which is welded to the bearing plate at S 3 .
  • For internal yoke reinforcement serves the side plate 33.
  • the inner reinforcement protrudes namely the yoke side plate 33 through the bearing plate 25 L and is welded at S 2 with this.
  • Fig. 5 shows a side view of the bearing plate 25 L.
  • Fig. 4 shows the view in the drawn y-direction.
  • the yoke side plates 32 and 33 are shown in dashed lines and compared to Fig. 1 and 2 dimensioned slightly different and also the implementation of the side plate 33 through a recess in the bearing plate 25 L with the corresponding welds S 2 can be seen.
  • the torsion bar receptacle 24 and the lever 24a can be seen here.
  • the parts 24 and 24a corresponding elements of the left adjacent actuator are arranged on the bearing plate 25 r diagonally opposite. Thus, the same parts can be used.
  • the fastening screw 29 can be seen.
  • connection cable By corresponding recesses of the bearing plates 25 L and 25 r projecting the coil 34 therethrough. Their connections 34a are thus easily accessible for contacting the connection cable.
  • the Jochlamellenver can also be screwed with any additional welding or gluing or other connection options.
  • the screw connections 37 and 37a shown on the left in FIG. 5 bring the advantage of a simple adjustment. It can, for. B. also only the upper magnet are screwed and the lower welded.
  • the bearing plates 25L 1 and 25R have to be at least slightly magnetic in the region of the armature in order to produce only a small shunt.
  • the material can be magnetic.
  • the non-magnetic material, for. B. V2A costs a multiple of the magnetically conductive material. Therefore, it is conceivable to perform a separation at 25 LT , such that the middle part 25 LM is non-magnetic and the adjacent part above 25 LO and correspondingly below magnetic.
  • the actuator In order to produce good heat dissipation, the actuator should be mounted flush with the bearing plates 25 L and 25 r .
  • Fig. 5 and Fig. 6 show the attachment of the actuator by means of the fastening screw 29 on the cylinder head 35th
  • a Shaft screw 29a can be used with a hexagon at the upper end. This design has mounting advantages the accessibility when placing on the cylinder head.

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

Claims (29)

  1. Electro-aimant (2, 3) muni d'une culasse (2a, 3a) possédant un bobinage électrique (2b, 3b) et un induit (7) en vis-à-vis des pôles de la culasse (2a, 3a), dans lequel la culasse (2a, 3a) est constituée de lamelles (2a') et des moyens (8, 9 10) sont prévus pour la cohérence du paquet de lamelles (2a),
    caractérisé en ce que
       le paquet de lamelles (2a) est disposé entre des plaques terminales, en particulier des plaques d'appui (8), en ce que ces plaques latérales, en particulier des plaques latérales de culasse, résistantes à la flexion se trouvant le long du paquet de lamelles (2a) sont reliées les unes aux autres, et en ce que la disposition de l'induit (7) est introduite dans les plaques d'appui (8).
  2. Electro-aimant selon la revendication 2, caractérisé en ce que les lamelles (2a') présentent des courbures (2a") qui permettent un accrochage des lamelles (2a') entre les plaques latérales de culasse (9, 10).
  3. Electro-aimant selon l'une des revendications 1 à 3, caractérisé en ce que les courbures (2a") sont prévues près de la partie terminale de la culasse (2a) opposée aux pôles de la culasse (2a).
  4. Electro-aimant selon l'une des revendications 1 à 3, caractérisé en ce que la liaison est effectuée par un procédé de jonction à force ou par emboítement (par exemple soudage, brasage, collage, matage ou ajustage).
  5. Electro-aimant selon l'une des revendications 1 à 4, caractérisé en ce que les plaques latérales de culasse (8, 9) sont en matériau non magnétique.
  6. Electro-aimant selon l'une des revendications 1 à 5, caractérisé en ce que les plaques latérales de culasse (9, 10) sont isolées (11) électriquement par rapport au paquet de lamelles (2a).
  7. Electro-aimant selon l'une des revendications 1 à 6, caractérisé en ce qu'au moins une plaque latérale (10) présente un profil.
  8. Electro-aimant selon l'une des revendications 1 à 7, caractérisé en ce que des lamelles voisines sont reliées les unes aux autres par un engrènement (par exemple par empilage par poinçonnage).
  9. Electro-aimant selon l'une des revendications 1 à 8, caractérisé en ce les lamelles (2a') sont reliées en particulier au voisinage des pôles au moins partiellement en plus par un soudage ou un brasage (en 13).
  10. Electro-aimant selon l'une des revendications 4 à 9, caractérisé en ce que la fabrication de la liaison des plaques latérales de culasse (9, 10) avec les plaques d'appui (8) se produit par déformation du paquet de lamelles (2a').
  11. Electro-aimant selon l'une des revendications 1 à 10, caractérisé par son utilisation en tant que partie d'un actuateur électromagnétique (1), dans lequel l'induit (7) est relié, par une force magnétique (2, 3), à deux forces élastiques opposées (6) dans deux positions terminales et dans lequel le mouvement de l'induit est utilisé dans les deux positions terminales pour l'entraínement d'une soupape d'un moteur à combustion interne (grâce au prolongement 4b).
  12. Electro-aimant selon l'une des revendications précédentes, caractérisé en ce qu'au moins la liaison d'une extrémité des plaques latérales (9, 10) avec la plaque terminale correspondante (8) est effectuée par pressage du paquet de lamelles (2a') et des plaques terminales (8).
  13. Electro-aimant selon l'une des revendications précédentes, caractérisé en ce que, dans les plaques d'appui (8), le scellement du levier (4) et ainsi de l'induit (7) est inséré au-dessus de son tube d'ancrage (4a).
  14. Actuateur selon la revendication 11 à 13, caractérisé en ce que les plaques latérales de culasse (9, 10) de deux électro-aimants sont fixées aux plaques d'appui (8) et en ce que cet agencement d'actuateur représente une unité de montage.
  15. Actuateur selon la revendication 14, caractérisé en ce que les lamelles terminales (31) du paquet de lamelles (30) sont réalisées plus épaisses en comparaison des autres lamelles (facteur 5 à 10) et sont reliées aux plaques d'appui (25r, 25L) et en ce que les plaques d'appui (25L, 25r) sont réalisées elles-mêmes relativement minces (1,5 à 2 mm).
  16. Actuateur selon l'une des revendications 11 à 15, caractérisé en ce que l'induit (7) est disposé oscillant dans les plaques d'appui (8) et une barre de torsion (5) reliée à l'induit délivre au moins une partie des forces élastiques.
  17. Actuateur selon l'une des revendications 11 à 16, caractérisé en ce qu'il forme une unité conjointement avec un autre actuateur, qui présente pour les deux actuateurs des plaques d'appui communes (25r, 25L), où les actuateurs se font face (Figure 4, Figure 5).
  18. Actuateur selon la revendication 17, caractérisé en ce que les actuateurs en vis-à-vis présentent des éléments de commande pour les soupapes placés à l'extérieur de l'induit et sont disposés décalés de 180° de façon antagoniste.
  19. Agencement d'actuateur selon la revendication 17 ou 18, caractérisé en ce que les plaques d'appui communes (25r, 25L) sont fixées sur une tête de cylindre ou un support d'actuateur.
  20. Agencement d'actuateur selon l'une des revendications 17 à 19, caractérisé en ce que lors de l'alignement, le jeu de palier est éliminé de sorte que le scellement des paliers (4a) est poussé de préférence dans la direction vers les aimants (2 et 3).
  21. Agencement d'actuateur selon l'une des revendications 18 à 20, caractérisé en ce que les deux plaques d'appui (25r, 25L) sont reliées l'une à l'autre par des vis (37, 37a).
  22. Agencement d'actuateur selon la revendication 21, caractérisé en ce que, en outre, les plaques latérales de culasse (32, 33) sont reliées (par exemple, soudées, collées, brasées) avec les plaques d'appui (25r, 25L).
  23. Agencement d'actuateur selon l'une des revendications 18 à 22, caractérisé en ce que les coussinets (23) sont introduits à force et/ou par emboítement dans les plaques d'appui (25r, 25L) en vue du scellement de l'induit (25).
  24. Agencement d'actuateur selon la revendication 23, caractérisé en ce que les coussinets (23) sont disposés au moins approximativement sur la ligne centrale des plaques d'appui (25r, 25L).
  25. Agencement d'actuateur selon l'une des revendications 18 à 24, caractérisé en ce que, en vue de l'alignement de la barre de torsion, l'induit est amené dans au moins une position terminale (par exemple appui sur l'aimant 2), en ce que, ainsi, la barre de torsion est précontrainte au moyen d'un levier (24a) à une certaine valeur et en ce que, enfin, le levier (24a) est fixé (soudé).
  26. Agencement d'actuateur selon l'une des revendications 18 à 25, caractérisé en ce que les lamelles terminales (31) de deux paquets de lamelles sont reliées les unes aux autres au moins partiellement par un pont.
  27. Agencement d'actuateur selon l'une des revendications 18 à 26, caractérisé en ce que les plaques d'appui (25r, 25L) sont constituées de plusieurs plaques partielles (25LO, 25LM), en ce qu'une des plaques partielles (25LM) se compose principalement de matériau non magnétique et en ce que cette plaque partielle (25LM) est disposée dans la zone de l'induit (25).
  28. Actuateur selon l'une des revendications 18 à 27, caractérisé en ce que les plaques d'appui (25r, 25L) sont reliées, en particulier vissées, au moyen d'une pièce coudée au support d'actuateur ou au bloc cylindre (35).
  29. Procédé de fabrication d'un agencement d'actuateur selon les revendications 18 à 27, caractérisé en ce que l'induit (25) est amené dans une position terminale proche d'un pôle,
    en ce que le paquet de lamelles est aligné selon un entrefer minimal sur l'induit (25),
    en ce qu'ensuite, le paquet de lamelles est pressé et en ce qu'enfin, les liaisons entre les plaques d'appui (25r, 25L) et les plaques latérales (32, 39) sont produites de préférence simultanément sur les deux côtés.
EP01942784A 2000-01-22 2001-01-18 Electroaimant Expired - Lifetime EP1163687B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10002628A DE10002628A1 (de) 2000-01-22 2000-01-22 Elektromagnet
DE10002628 2000-01-22
PCT/EP2001/000565 WO2001054146A1 (fr) 2000-01-22 2001-01-18 Electroaimant

Publications (2)

Publication Number Publication Date
EP1163687A1 EP1163687A1 (fr) 2001-12-19
EP1163687B1 true EP1163687B1 (fr) 2004-09-01

Family

ID=7628349

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01942784A Expired - Lifetime EP1163687B1 (fr) 2000-01-22 2001-01-18 Electroaimant

Country Status (3)

Country Link
EP (1) EP1163687B1 (fr)
DE (2) DE10002628A1 (fr)
WO (1) WO2001054146A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10134708A1 (de) * 2001-07-21 2003-02-06 Heinz Leiber Elektromagnet
FR2834119B1 (fr) * 2001-08-30 2004-05-21 Moving Magnet Tech Mmt Actionneur electromagnetique a deux positions stables de fin de course, notamment pour la commande de vannes de conduits d'admission d'air pour moteurs a combustion interne
DE10218471A1 (de) * 2002-04-25 2003-11-06 Mann & Hummel Filter Magnetisch steuerbares Stellglied
DE10220788A1 (de) * 2002-05-10 2003-11-20 Daimler Chrysler Ag Elektromagnetischer Aktuator mit einem Schwenkanker
EP2133538B1 (fr) * 2008-06-10 2012-12-12 Arno Hofmann Vanne à papillon dotée d'un ressort de torsion

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1250552B (fr) * 1967-09-21
DE946169C (de) * 1942-06-19 1956-07-26 Aeg Geblaetterter Magnetkern
DE967478C (de) * 1942-11-29 1957-11-14 Westfaelische Metall Ind G M B Vorrichtung zum Paketieren von lamellierten Elektromagneten fuer elektromagnetische Signalhoerner
JPS6313306A (ja) * 1986-07-04 1988-01-20 Hitachi Ltd 電磁石鉄心，及びその製作方法
WO1998042958A1 (fr) * 1997-03-24 1998-10-01 Lsp Innovative Automotive Systems Gmbh Dispositif de commande electromagnetique
US6118366A (en) * 1997-12-09 2000-09-12 Siemens Automotive Corporation Electromagnetic actuator with split housing assembly
US6049264A (en) * 1997-12-09 2000-04-11 Siemens Automotive Corporation Electromagnetic actuator with composite core assembly
DE19807181A1 (de) * 1998-02-20 1999-08-26 Bayerische Motoren Werke Ag Elektromagnetische Schwinganker-Vorrichtung, insbesondere als Aktuator für ein Gaswechselventil einer Kraft- oder Arbeitsmaschine
DE19824537A1 (de) * 1998-06-03 1999-12-09 Lsp Innovative Automotive Sys Elektromagnetische Stelleinrichtung

Also Published As

Publication number Publication date
EP1163687A1 (fr) 2001-12-19
WO2001054146A1 (fr) 2001-07-26
DE50103445D1 (de) 2004-10-07
DE10002628A1 (de) 2001-07-26

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