EP1070198B1 - Elektromagnetischer aktuator mit geblechtem anker - Google Patents
Elektromagnetischer aktuator mit geblechtem anker Download PDFInfo
- Publication number
- EP1070198B1 EP1070198B1 EP00906270A EP00906270A EP1070198B1 EP 1070198 B1 EP1070198 B1 EP 1070198B1 EP 00906270 A EP00906270 A EP 00906270A EP 00906270 A EP00906270 A EP 00906270A EP 1070198 B1 EP1070198 B1 EP 1070198B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- laminations
- lamination
- actuator according
- cover plates
- anchor
- 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
Links
Images
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
- F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
- F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means
Definitions
- An electromagnetic actuator for actuating an actuator works in such a way that one in its energization is provided controllable electromagnet whose magnetic force acted upon energization of an anchor, with the actuated Actuator communicates.
- one is Return spring provided, the set in de-energized Electromagnet the anchor or related thereto Actuator holds in a first switching position and at Energizing the electromagnet against the force of the return spring moved to the second position by the magnetic forces is held and in this second position, as long as the electromagnet is energized.
- the electromagnet To influence the movement speed of the armature its approach to the pole face of the electromagnet one hand, but also when loosening the anchor from the pole face the Stromlositch the electromagnet on the other hand is a rapid possibility of changing the magnetic force desirable.
- This fast force change or magnetic field change act but counteract eddy currents.
- the formation of eddy currents in the electromagnet can be minimized by that the yoke body is made of laminated material, so that at energization of the electromagnet, in particular in the Phase, when the anchor is still far away, a faster Field construction takes place (DE-A-35 00 530).
- the armature is the electromagnet in his Effect increasingly influenced by the anchor.
- an electromagnetic actuator for Actuation of an actuator with at least one electromagnet, by a yoke body having a pole face is formed with a coil, and with respect to the pole face can be moved back and forth via a guide pin Anchor member having an anchor plate, which with a Guide pin is firmly connected and the two cover plates between which a plate pack of a plurality arranged by firmly interconnected laminations is aligned perpendicular to the cover sheets and associated with these.
- Another advantage of reduced eddy currents at fitting anchor also results in methods for so-called "Overlay detection", i. the recognition of the request of the anchor on the pole face. While not so far avoiding eddy currents at a massive anchor it practically made impossible, from the clock frequency of a clocked Holding current or from the evaluation of the temporal Curves of current and / or voltage a clear signal derive since the change of the differential inductance and the change of eddy current components in the anchor just in the here interesting areas of operation at least partially compensated, leads to the reduction of eddy current formation in anchor to unique and reproducible signals, that for the regulation and / or control of the current supply of the electromagnet are usable.
- the detachment process is also due to the reduction of eddy current formation favorably influenced. While at a massive Anchor by the even after switching off the coil current flowing eddy currents delayed the detachment process is achieved by a low-turbulence anchor according to the invention the magnetic force reduction greatly accelerated and the so-called Gluing time reduced.
- the Cover plates provided on at least one edge with an angling are the associated end face of the plate pack covered.
- the bend can be provided in this case be that both cover sheets have the shape of an L-profile and offset by 180 ° to each other placed on the disk pack are so that the bends each face the front Cover by the end edges of each sheet metal lamellae be formed.
- One or both covers can formed by the arrangement of bends as U-profiles be. If only one cover plate is designed as a U-profile and the other cover plate is used as a flat plate, then the disk set preferably so with the U-shaped cover plate connected, that in turn covers the faces be formed by the end edges of the individual laminations become.
- the flat cover plate is then on the other Side of the disk pack on.
- the cover plates a U-shaped Profile cross-section give, then the cover plates by 90 ° offset from one another connected to the disk set, so that the narrow front edges of the disk pack on all sides of the bends are covered and so the disk pack of The cover sheets is covered in a can.
- the Lamella package at least at the transverse to the orientation of the Laminated sheets running edges welded to the cover sheets is. This not only results in an end-side firm connection of the laminations with each other, but also a firm connection with the cover sheets. If the cover sheets are provided with bends that the end edges of the Covering lamellae, it may be appropriate, before the Attaching the cover plates, the laminations to the transverse to her Orientation extending faces of the disk pack to weld, so that even the disk pack for a forms stable body in itself.
- the laminations of the disk pack by at least two transverse bolts firmly connected are.
- the bolts can be used as bolts or as rivets be executed.
- the individual laminations provided with a through hole, so that the disk pack connected to a complete unit via the bolts is.
- This embodiment can also be in a stanzmp convinced Disc set can be used so that the rigidity of the Anchor plate is not achieved only over the bolts.
- the guide pin a guide shaft and a Has a larger diameter bolt head and that the Bolt head passed through the hole in the disk pack is and soldered in the contact area with the disk pack is.
- the bolt head at least one twist to the Recording a solder has.
- the twisting can take the form of a Be made chamfering of the head surface of the bolt and / or in the form of a circumferential groove on the cylindrical Peripheral surface of the bolt head.
- the chamfer and / or the groove must be dimensioned in their cross-section so that the required Lotmenge by the on or inlaid Lot to Available.
- both a frontal Chamfering as well as a groove on the cylindrical peripheral surface to provide and in both places according to Lot to apply, so that in any case a continuous layer of solder between the bolt head and the bore of the anchor plate is available.
- an electromagnetic actuator with at least one electromagnet by having a pole face Yoke body is formed with a coil, and with respect to a on the pole face via a guide pin back and forth Anchor element, in particular with a yoke body, the consists of a variety of laminations, each with several impressions are provided on a slat surface wart-shaped elevations and on the other lamellar surface form corresponding cup-shaped depressions, wherein the elevations each of a lamination in the wells engage the adjacent lamination and the laminations fixed by pressing to a disk set form fit connected to each other, wherein the yoke body on portions its surface is enclosed by a housing.
- the disc pack can also be screwed through appropriate or riveted bolts are held together. Especially it is advantageous, however, if that is the disk set Enclosing housing by encapsulation or encapsulation of the disk pack will be produced. It is also possible to use the plate pack gluing in a prefabricated housing, wherein the adhesive can have thermally conductive properties. This will be the disc pack held in the housing without play.
- plastics can be considered as material here. which have a corresponding temperature resistance, if such an actuator for actuating a gas exchange valve used on a reciprocating internal combustion engine becomes.
- metals can also be used, for example Aluminum alloys. It is expedient if the metal if necessary by appropriate additions, a reduced electrical Conductivity of the housing material has.
- Fig. 1 anchor for an electromagnetic Actuator consists of an anchor plate 1, which with a Guide pin 2 is firmly connected.
- the anchor plate 1 has two cover plates 3, 4, between which a disc pack 5 on a variety of tightly interconnected laminations is arranged perpendicular to the cover plates 3, 4th aligned and connected to these.
- Fig. 3 shows a End view in the direction of arrow A in Fig. 1 in larger Scale. In Fig. 3, this is from a variety of Single lamellae 6 composite disc pack 5 to recognize.
- a modified embodiment is also in shown in perspective view.
- the cover plates 3, 4 are each provided at the edge with bends 7 and 8, the transverse to the front edges of the laminations (not here shown) of the enclosed plate pack 5 run and cover them up.
- Fig. 4 is an embodiment shown, in which the upper cover plate 3 planar is formed while the lower cover plate 4 at both edge sides with bends 7, 8 is provided and thus has a U-shaped cross-section.
- Fig. 5 shows a modified embodiment in which both Cover plates 3, 4 at the edge with only one bend 7 or 8 are provided so that both cover sheets an L-shaped cross-section exhibit.
- the two cover plates 3, 4 are reversed arranged to each other, so that in each case the bend a cover plate covers one end face of the disk pack 5.
- Both Cover plates 3, 4 are offset by 90 ° to each other on the disk set 5 attached, so that all faces of the disk pack are covered by the bends of the cover plates and the plate pack is enclosed like a can.
- connection of the individual laminations 6 with each other and the compound of the formed from the laminations 6 Disc pack 5 with the cover plates 3, 4 can now in different Be carried out manner.
- the individual louvers are together with the two overlying cover plates 3, 4 respectively in Edge region of the two opposite end faces 9 connected together by welding or soldering, so that through the seam 21, both the individual laminations with each other as well as the two cover plates 3, 4 with the disk pack 5 are firmly connected (see Fig. 7).
- a preferred Type of connection will be described with reference to FIG. 9.
- Fig. 2 an embodiment is shown, in which the individual laminations of the disk pack by two transversely extending bolts 10 are firmly connected.
- the Bolt 10 are in this case by corresponding holes 11 (see. Fig. 7) inserted through in the laminations 6.
- Bolts can be designed as bolts or as rivets be.
- the individual laminations 6 provided with one or more indentations 6.1, on a slat side a cup-shaped depression 6.3 and on the other side of the lamella a corresponding wart-like Make up increase 6.2.
- the laminations 6 are interconnected held by clamping action. In the direction of the naturalpärgitch 6.1 results in a positive connection that over the Whole width is effective and by the relative movements of the Laminations are prevented against each other.
- the lamellae 6 are interconnected on the one hand and with the cover plates 3 and 4 on the other in each case via seams 21 in the edge region of the end faces 9 interconnected.
- Figs. 7 and 8 show the Connection between the disk pack 5 and the guide pin 2.
- Fig. 7 shows the guide pin 2 a guide shaft 15 and a bolt head 16, which has a larger diameter than the guide shaft 15.
- the disk set 5 is provided with a bore 17 through which the bolt head 16 is passed.
- the connection between the disk pack 5 and the bolt head 16 is performed by a solder joint, which will be described in more detail below becomes.
- the bolt head 16 is dimensioned that he turned away at least on the leadership shaft 15 Side of the plane of the overhead cover plate 3 surmounted.
- the projection of the bolt head 16 over the plane of the cover plate 3 can on the one hand as a contact surface for a bolt-shaped Serve transmission element.
- the solder is based on copper. After applying the solder 19, the entire anchor on heated to a temperature above the melting temperature of the Lotes 19 is located, so that when melting the liquid solder in the contact area between the bolt head on the one hand and the Wall of the bore 17 on the other hand shoots. Subsequently the armature can be cooled down and the guide bolt hardened.
- the anchor is at least once on the annealing temperature heated for the steel material of the guide pin 2 and for a predetermined time at this temperature kept and then completely cooled.
- This makes it possible from two components with different material properties existing anchor, namely once a reimbursable Steel material for the guide pin and a soft magnetic iron material for the anchor, firmly together connect, wherein after soldering the steel material can be remunerated to the desired quality.
- this connection is taken advantage of the fact that the melting temperature for such highly stressed compounds into consideration coming solders significantly over the hardness and tempering temperature lie for a heat treatable steel material, so that after completion the soldering process, d. H. after firing and freezing of the solder in the connection area between bolt head 16 and the wall of the bore 17 another heat treatment can be performed without thereby soldering is affected in their strength.
- the embodiment acc. Fig. 8 shows a modification in that that the bolt head 16 on its cylindrical peripheral surface is provided with a circumferential groove 20. to Connection of the guide pin 2 with the anchor plate 1 is introduced into the groove 20 solder and then the bolt head 16 in the bore 17 of the anchor plate 1 is inserted. Subsequently again the heat treatment described above.
- the laminations 6 and the cover plates 3, 4 are expediently from a sheet with a sheet thickness of for example 0.35 mm.
- the entire thickness of the anchor plate is for example 4.5 mm.
- Fig. 10 shows the application of the punched package at a Yoke body of an electromagnetic actuator.
- the illustrated electromagnetic actuator is formed substantially by two electromagnets 22 and 23, by two housing parts 24.1 and 24.2 are enclosed, which in turn via a trained as a spacer housing part 24.3 in Spaced apart and with their pole faces 25 against each other are aligned. In the from the spacer 24.3 enclosed movement space between the two pole faces 25th
- An anchor 26 is arranged, which via a guide pin. 2 in a guide 27 is guided back and forth movable.
- the armature 26 a rectangular basic shape.
- His anchor plate 1 is for example in a conventional way of soft magnetic iron material produced.
- the anchor plate 1 can also be laminated be formed, as with reference to FIGS. 1 to 9 above is described.
- the armature 26 is connected via a guide pin 28 with a Return spring 8 in conjunction.
- the other, lower free End 30 of the guide pin 2 relies on a Actuator, for example, the free end of the shaft 31st a gas exchange valve, which in this case only indicated cooled cylinder head 32 of a reciprocating internal combustion engine out is.
- a return spring 33 By a return spring 33, the gas exchange valve acted upon in the closing direction, wherein the return spring 33 and the return spring 29 in their direction of force against each other are directed so that when energized set Electromagnet the anchor plate 1 according to their rest position between the two pole faces 25 of the two electromagnets 22 and 23 occupies, as shown in Fig. 10 is.
- the housing parts 24.1, 24.2 and 24.3 are connected via connecting means, For example, the indicated clamping screws 34, firmly together to a full housing and over a Contact surface 36 is connected to the cylinder head 32.
- the two electromagnets 22 and 23 each have a cuboid yoke body 37, composed of a variety of thin laminations 37.1 is.
- the yoke body 37 is in each case two parallel groove-shaped recesses 40 (see Fig. 11), in the one formed as a rectangular ring coil 39 with two parallel Thighs is inserted.
- the laminations of the yoke body 37 are perpendicular to the plane of the drawing and are firmly connected.
- the compound of Sheet metal laminations through a stamped package, as well as for the preparation of the anchor plate 1 described above and in Fig. 10 in partial section of the yoke body 37 of the electromagnet 23 and in Fig. 11 in a plan view of a blade is shown.
- the yoke body 37 of both electromagnets are each of the Housing parts 24.1 and 24.2 of a non-magnetic Material enclosed and indeed, as shown in Fig. 1, in such a way that in the cuboid basic shape of the yoke body 37 in each case the end faces, which comprises of the coil 39 are completely embedded, including the coil 39 are, with their two long sides, however, protrude laterally.
- the side surfaces of the yoke body 37 can be free lie.
- the materials are preferably pourable or sprayable materials, such as temperature-resistant Plastics, aluminum, also aluminum compositions, which reduce eddy current formation.
- the transfusion or overmolding is not the same when punching packages avoiding small dimensional tolerances and causes a solid Connection between yoke body and associated housing part, the dimensional accuracy of the outer dimensions guaranteed remains.
- the same advantage is achieved when the yoke body is glued into a housing.
- FIG. 11 shows a plan view in the direction of the arrow B in FIG. 10 on a lamination 37.1 of the yoke body 37 of the two Elekromagneten 22 or 23.
- the supervision can be exemplary recognize the position of the impressions 6.1. It is obvious that in the loaded by the impact of the armature 26, the pole faces 25 adjacent area and in the the back 41 of the yoke body 37 forming area over the Indentations the adjacent laminations opposite a force in the direction of arrow 42 stiffened are.
Description
- Fig. 1
- in perspektivischer Ansicht einen Anker mit zwei ebenen Deckblechen,
- Fig. 2
- in perspektivischer Ansicht einen Anker mit abgewinkelten Flächen,
- Fig. 3
- eine Stirnansicht des Ankers gem. Fig. 1, gesehen in Richtung des Pfeiles A,
- Fig. 4, 5, und 6
- unterschiedliche Ausbildungen der Deckfläche,
- Fig. 7
- einen Schnitt gem. der Linie VII-VII in Fig. 1,
- Fig. 8
- eine Schnittdarstellung gem. Fig. 7 mit einer anderen Form des Führungsbolzens,
- Fig. 9
- in vergrößertem Maßstab einen Schnitt gem. der Linie IX-IX in Fig. 1,
- Fig. 10
- einen elektromagnetischen Aktuator zur Betätigung eines Gaswechselventils in Seitenansicht, teilweise im Schnitt,
- Fig. 11
- eine Aufsicht auf eine Blechlamellen eines Jochkörpers mit Durchprägungen.
Claims (9)
- Elektromagnetischer Aktuator zur Betätigung eines Stellgliedes, mit wenigstens einem Elektromagneten, der durch einen eine Polfläche aufweisenden Jochkörper (37) mit Spule gebildet wird, und mit einem in bezug auf die Polfläche über einen Führungsbolzen hin und her bewegbaren Ankerelement, das eine Ankerplatte (1) aufweist, die mit dem Führungsbolzen (2) fest verbunden ist und die zwei Deckbleche (3, 4) aufweist, zwischen denen ein Lamellenpaket (5) aus einer Vielzahl von fest miteinander verbundenen Blechlamellen (6) angeordnet ist, die senkrecht zur den Deckblechen (3, 4) ausgerichtet und mit diesen verbunden sind.
- Aktuator nach Anspruch 1, dadurch gekennzeichnet, daß die Deckbleche (3, 4) an wenigstens einem Rand mit einer Abwinklung (7, 8) versehen sind, die die zugeordnete Stirnfläche (9) des Lamellenpaketes (5) überdeckt.
- Aktuator nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Lamellenpaket (5) zumindest an den quer zur Ausrichtung der Blechlamellen verlaufenden Kanten mit den Deckblechen (3, 4) verschweißt ist.
- Aktuator nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die einzelnen Blechlamellen (6) Durchprägungen aufweisen, die jeweils auf einer Lamellenseite eine napfförmige Vertiefung (6.3) und auf der anderen Lamellenseite eine warzenförmige Erhöhung (6.2) bilden und daß die Erhöhungen (6.2) einer Blechlamelle (6) in die Vertiefung (6.3) der benachbarten Blechlamelle (6) eingreifen und die Blechlamellen (6) durch Pressen zu einem Lamelltenpaket formschlüssig miteinander verbunden sind.
- Aktuator nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Blechlamellen (6) des Lamellenpaketes (5) durch wenigstens zwei quer verlaufende Bolzen (10) fest miteinander verbunden sind.
- Aktuator nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der Führungsbolzen (2) einen Führungsschaft (15) und einen Bolzenkopf (16) mit größerem Durchmesser aufweist und daß der Bolzenkopf (16) durch eine Bohrung (17) in der Ankerplatte (1) hindurchgeführt ist und im Berührungsbereich mit der Ankerplatte (1) verlötet ist.
- Aktuator nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der Bolzenkopf (16) wenigstens eine Abdrehung (20) zur Aufnahme eines Lotes aufweist.
- Aktuator nach einem der Ansprüche 1 bis 7, mit einem Jochkörper (37), der aus einer Vielzahl von Blechlamellen (37.1) besteht, die jeweils mit mehreren Durchprägungen (6.1) versehen sind, die auf einer Lamellenfläche warzenförmige Erhöhungen (6.2) und auf der anderen Lamellenfläche entsprechend napfförmige Vertiefungen (6.3) bilden, wobei die Erhöhungen (6.2) jeweils einer Blechlamelle (37.1) in die Vertiefungen (6.3) der benachbarten Blechlamelle (37.1) eingreifen und die Blechlamellen (6) durch Pressen zu einem Lamellenpaket formschlüssig fest miteinander verbunden sind, wobei der Jochkörper (37) auf Teilbereichen seiner Oberfläche von einem Gehäuse (24) umschlossen ist.
- Aktuator nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß das Gehäuse (24) durch Umgießen mit dem Jochkörper (37) verbunden ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19904634 | 1999-02-05 | ||
DE19904634A DE19904634A1 (de) | 1999-02-05 | 1999-02-05 | Geblechter Anker für einen elektromagnetischen Aktuator |
PCT/EP2000/000833 WO2000046490A1 (de) | 1999-02-05 | 2000-02-02 | Elektromagnetischer aktuator mit geblechtem anker |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1070198A1 EP1070198A1 (de) | 2001-01-24 |
EP1070198B1 true EP1070198B1 (de) | 2005-05-11 |
Family
ID=7896502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00906270A Expired - Lifetime EP1070198B1 (de) | 1999-02-05 | 2000-02-02 | Elektromagnetischer aktuator mit geblechtem anker |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1070198B1 (de) |
JP (1) | JP2002536826A (de) |
AT (1) | ATE295473T1 (de) |
DE (3) | DE19904634A1 (de) |
WO (1) | WO2000046490A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015218421A1 (de) | 2015-09-24 | 2017-03-30 | Continental Automotive Gmbh | Geblechter Magnetanker für eine elektromagnetische Betätigungsvorrichtung sowie Einspritzventil zum Zumessen eines Fluids |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10053596A1 (de) * | 2000-10-28 | 2002-05-02 | Daimler Chrysler Ag | Elektromagnetischer Aktuator zur Betätigung eines Stellgliedes |
DE10121492A1 (de) | 2001-05-03 | 2002-11-07 | Fev Motorentech Gmbh | Anker für einen elektromagnetischen Aktuator mit gesinterter Ankerplatte |
DE10134708A1 (de) * | 2001-07-21 | 2003-02-06 | Heinz Leiber | Elektromagnet |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB568216A (en) * | 1943-08-18 | 1945-03-23 | Antonio Peppino Castellini | Improvements in electro magnetic actuating mechanisms for valves and like timed moving parts of internal combustion engines |
DE1136445B (de) * | 1957-02-18 | 1962-09-13 | Licentia Gmbh | Gekapselter elektromagnetischer Schwingverdichter |
US3952272A (en) * | 1975-02-12 | 1976-04-20 | Howell Alleyne C Jun | Solenoid core construction |
DE3500530A1 (de) | 1985-01-09 | 1986-07-10 | Binder Magnete GmbH, 7730 Villingen-Schwenningen | Vorrichtung zur elektromagnetischen steuerung von hubventilen |
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 |
-
1999
- 1999-02-05 DE DE19904634A patent/DE19904634A1/de not_active Withdrawn
-
2000
- 2000-02-02 JP JP2000597540A patent/JP2002536826A/ja not_active Withdrawn
- 2000-02-02 DE DE50010267T patent/DE50010267D1/de not_active Expired - Fee Related
- 2000-02-02 WO PCT/EP2000/000833 patent/WO2000046490A1/de active IP Right Grant
- 2000-02-02 EP EP00906270A patent/EP1070198B1/de not_active Expired - Lifetime
- 2000-02-02 DE DE10080256T patent/DE10080256D2/de not_active Expired - Fee Related
- 2000-02-02 AT AT00906270T patent/ATE295473T1/de not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015218421A1 (de) | 2015-09-24 | 2017-03-30 | Continental Automotive Gmbh | Geblechter Magnetanker für eine elektromagnetische Betätigungsvorrichtung sowie Einspritzventil zum Zumessen eines Fluids |
US10823305B2 (en) | 2015-09-24 | 2020-11-03 | Vitesco Technologies GmbH | Laminated solenoid armature for an electromagnetic activation device and injection valve for metering a fluid |
Also Published As
Publication number | Publication date |
---|---|
WO2000046490A1 (de) | 2000-08-10 |
ATE295473T1 (de) | 2005-05-15 |
JP2002536826A (ja) | 2002-10-29 |
DE50010267D1 (de) | 2005-06-16 |
DE19904634A1 (de) | 2000-08-10 |
EP1070198A1 (de) | 2001-01-24 |
DE10080256D2 (de) | 2001-04-26 |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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Effective date: 20001012 |
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