EP0849761A2 - Déclencheur de surintensité et de courtcircuit pour un disjoncteur électrique - Google Patents

Déclencheur de surintensité et de courtcircuit pour un disjoncteur électrique Download PDF

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Publication number
EP0849761A2
EP0849761A2 EP97121381A EP97121381A EP0849761A2 EP 0849761 A2 EP0849761 A2 EP 0849761A2 EP 97121381 A EP97121381 A EP 97121381A EP 97121381 A EP97121381 A EP 97121381A EP 0849761 A2 EP0849761 A2 EP 0849761A2
Authority
EP
European Patent Office
Prior art keywords
coil
leg
yoke
parallel
trigger
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.)
Granted
Application number
EP97121381A
Other languages
German (de)
English (en)
Other versions
EP0849761A3 (fr
EP0849761B1 (fr
Inventor
Joachim Dipl.-Ing. Becker
Markus Dipl.-Ing. Lubeley
Richard Dipl.-Ing. Kommert
Klaus-Peter Dipl.-Ing. Eppe
Werner Dipl.-Ing. Bruckner
Rolf Dipl.-Ing. Goehle
Volker Schmitt
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.)
ABB Patent GmbH
Original Assignee
ABB Patent 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 ABB Patent GmbH filed Critical ABB Patent GmbH
Publication of EP0849761A2 publication Critical patent/EP0849761A2/fr
Publication of EP0849761A3 publication Critical patent/EP0849761A3/fr
Application granted granted Critical
Publication of EP0849761B1 publication Critical patent/EP0849761B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/40—Combined electrothermal and electromagnetic mechanisms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/40—Combined electrothermal and electromagnetic mechanisms
    • H01H2071/407—Combined electrothermal and electromagnetic mechanisms the thermal element being heated by the coil of the electromagnetic mechanism
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/14—Electrothermal mechanisms
    • H01H71/16—Electrothermal mechanisms with bimetal element
    • H01H71/164—Heating elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2409—Electromagnetic mechanisms combined with an electromagnetic current limiting mechanism
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2463—Electromagnetic mechanisms with plunger type armatures

Definitions

  • the invention relates to an overcurrent and short-circuit release for an electrical Installation switch, especially for a circuit breaker or residual current circuit breaker, with a thermal release, preferably with a thermal bimetal and an electromagnetic impact anchor trigger for an impact anchor, one Coil, a yoke and a core.
  • Miniature circuit breakers for protection against thermal overload and short circuit basically built the same. They have a magnetic release for short-circuit protection and a thermal release, usually with a bimetallic strip, for the overload protection.
  • the thermal bimetallic strip is also referred to as bimetal or bimetal.
  • the coil of the magnetic release and current flows through the bimetal of the thermal release and heated directly with it.
  • the thermal release will release due to the current heat a switch mechanism, and in rated operation the current flows through the triggers and that Device heats up due to power loss.
  • the thermal release i.e. the bimetallic strip, additionally with a current-carrying winding made of resistance wire provided, which generates the heating necessary for the deflection.
  • the thermal bimetal is normally designed as a strip bimetal; instead of one Thermobimetal could also use a shape memory alloy strip will.
  • thermomechanical To couple element with the anchor, the anchor in the cooled state of the thermomechanical element is outside of the magnetic circuit while passing through the heated thermomechanical element is pushed into the magnetic circuit, but only to the extent that it does not trigger it alone. Only when the Coil pulls the armature, the switching mechanism is triggered.
  • Arrangements see AT-315 90 B, US-PS 5 001 446) is made of a tether spring Shape memory alloy used, which is arranged in the coil tube of the trip coil is. The coil spring is heated by the coil and expands when it reaches one certain temperature. This moves the anchor, which then moves over you Tappet unlatches the rear derailleur.
  • DE-OS 27 51 451 an arrangement is described in which the parallel to the coil electromagnetic trigger is connected to a bimetal, one end of which is stationary and a contact point is provided at the other end.
  • the arrangement is dimensioned so that the coil of the magnetic release one has significantly higher resistance than thermobimetal.
  • the flows normally Main current over the bimetal parallel to the coil.
  • the contact point on the bimetal opens and the current flows in its entirety over the coil.
  • the advantage is mentioned by simply adjusting the bimetal to change the thermal release in other areas.
  • the object of the invention is through the structural design, arrangement and Assignment of thermal release and magnetic release over the entire nominal current range and the different tripping characteristics with a significantly reduced Realize the number of components.
  • the yoke then has a leg which runs parallel to the coil axis; of the thermal release is attached to this bar and runs parallel to the axis the coil and the leg of the yoke of the electromagnetic release, so that the thermal release is heated by the current-carrying coil and the yoke.
  • the length of the leg of the yoke is approximately equal to the length of the bimetal.
  • thermobimetal is attached directly to the yoke and parallel to the longitudinal axis the coil runs, the space requirement of the two components is reduced and in addition, both components can be practically combined into a single unit will.
  • the thermal release can be outside or inside the yoke lie, the leg) of the yoke on which the thermobimetal is arranged is due to different configurations also to an improved and cheaper Heating of the bimetal helps.
  • the thermal trigger or that Thermobimetal can be arranged outside or inside the coil.
  • the thermal release can be electrically connected in parallel with or in series with the coil be.
  • the can be parallel to the coil axis extending legs of the yoke have two leg webs on their Ends connected with connectors; the bimetal can then be attached to one of the connectors together with one end of the wire of the coil be attached and also run parallel to the coil.
  • the shape of the connectors can be U-shaped, with the open side of the U-shape faces radially outward from the coil; Thereby the bimetal can do so be attached, as shown in claim 9.
  • a further embodiment can be found in claim 10; there are the Leg webs in one plane and the bimetal is at the junction of the free ends of the leg webs attached.
  • the circuit breaker 10 shows an inside view of a circuit breaker 10 of the housing 11, which accommodates the individual components of the circuit breaker.
  • the circuit breaker 10 has a switch lock 12, one from the switch lock driven contact lever 13 which is rotatably supported about a pivot point 14 is and at the free end of a movable contact piece 15 is attached.
  • This movable contact piece 15 cooperates with a fixed contact piece 16 and if an arc occurs during a switching operation between the contact pieces 15 and 16 the arc travels with a base along an arc guide rail 17 in an arc quenching plate packet 18 in which the arc quenched becomes.
  • the other base point of the arc runs along the shape of the contact piece 16.
  • the hot switching gases flow out through a channel 19.
  • Terminals 20, 21 are provided on opposite narrow sides, and below the key switch 12 are a thermal release 22 and an electromagnetic release 23.
  • the thermal release 22 and the electromagnetic Triggers 23 respond to overcurrent or short-circuit current; of the thermal trigger, which is designed in the form of a thermal bimetal, acts on the Switch lock 12 on the movable contact lever 13; the electromagnetic trigger 23 acts via a magnetic armature 24 directly on the movable contact lever and via a mechanical gear arrangement, not shown, also on the Switch lock so that the contact lever 13 is opened permanently in the event of a short circuit.
  • At the bottom of the housing 11 there is a recess 25 with a fixed one Nose 26 and a movable nose 27 so that the circuit breaker 10th can be snapped onto a top-hat rail (not shown).
  • a switch toggle 28 is provided for switching on again after a switch-off action. with which the switch can also be switched off manually.
  • the invention is concerned with the assignment of electromagnetic release 23 and thermal trigger 22 to each other.
  • Fig. 10 it is shown that the thermal Trigger 22 between the switch 12 and the electromagnetic trigger 23 lies, of course, there is the possibility of relating to the thermal release the drawing plane in front of or behind the electromagnetic trigger.
  • 1 to 9 are different configurations of electromagnetic according to the invention Triggers shown with thermal triggers.
  • FIG. 1 and 2 show different views of a first embodiment of a electromagnetic and thermal release.
  • the trigger as the combination is to be called in the following, according to FIG. 1 and 2 has the reference number 30. It has a yoke plate 31 on which a coil former 32 is attached, the inside of a core (not shown) and one Impact anchor 33 and around which a coil 34 is wound. On the yoke plate 31 adjoins a yoke leg 35 running perpendicular to it, which is parallel to The central axis of the coil runs and two webs 36 aligned parallel to one another and 37 which are parallel to the central axis of the coil 34.
  • the webs 36 and 37 are each by means of a U-shaped connecting piece 38 and 39 connected to each other so that there is a U-shape, which is radial with its open side points away from the coil 34.
  • a U-shape which is radial with its open side points away from the coil 34.
  • the connector 38 see Fig. 2, that is fixed end 41 of a bimetal 40 welded and additionally one end 42 of the coil 34. It can be seen that the fastening point on the outside or coil side of the U-shaped connecting piece 38.
  • the thermal bimetal 40 runs parallel or from the U-shaped connecting piece 38 approximately parallel to the coil axis up to the connecting piece 39 and projects beyond it or its front edge 43 visible at the front in FIG. 1, the free, movable End of the bimetal 44 within the U-shape of the U-shaped connector 39 is located.
  • a conductor 45 is connected on the outer surface of the web 36 near the U-shaped connector 39 and near the bendable end 44 of the bimetal 40 so that a current flow through the conductor 45, the webs 36 and 37 to the connector 38 and from there to the coil 34.
  • the bimetal which is in the immediate vicinity of the coil 34 approximately parallel to it The longitudinal axis is not flowed through by the current, but by the coil 34 and also indirectly heated by the webs 36, 37.
  • the bimetallic metal 40 is thus on the yoke limb projecting above the coil 34 attached to the side of the connecting piece 38 pointing towards the coil 34; the Fastening point is therefore between the yoke leg 35 and the coil 34.
  • Das Thermobimetal 40 runs from the free end of the yoke leg 35 to the yoke plate 31 and protrudes above it, the bendable end 44 being outside the connecting piece 39, based on the coil 34 and within the U-shape of the connector 39 is located.
  • a coil 50 is provided, which is assigned a yoke 51, which has a U-shape with different lengths Legs 52 and 53 represents.
  • the bobbin 54 with the core, not shown is arranged perpendicular to the web 51 and runs parallel to the legs 52 and 53 between these.
  • the longer leg 53 which is longer than the coil body 54, has two leg webs 55 and 56, which are connected at their free ends by means of a connecting web 57 are connected.
  • the leg webs 55, 56 lie in one plane. From Fig. 4 it can be seen that the fixed end 58 of a bimetallic metal 59 on the connecting web 57 is welded to the side facing the coil 50; on The thermobimetal 59 is also at the same point an end 60 of the coil wire the coil 50 welded.
  • the thermal bimetal 59 is located between the Leg webs 55 and 56 and at the fixed, clamped end between the leg webs 55, 56 and the coil 50. It projects beyond the web 51 with the free end 61 of the yoke.
  • the other end 62 of the coil wire is here on an L-shaped tab 63 attached to the other components, such as a connector or the like. Can be specified. That through the coil 50 and through the leg webs 56 and 55 flowing current heats the bimetallic metal 59, so that here too an indirect one Heating takes place.
  • the leg 52 is, as can be seen in Fig. 4, with a Provide pin 64 which runs parallel to the coil axis.
  • the coil 70 is around a coil former 71 wrapped around the inner surface of the web 72 of a U-shaped yoke 73 is attached together with a core, not shown.
  • the U-shaped Yoke has two legs of different lengths) 74 and 75, one on the leg 75, which is the shorter leg), a pin 76 corresponding to the pin 64 is integrally formed (see Fig. 6).
  • On the outer surface of the longer leg 75 is a Thermobimetall 77 attached, such that the fixed end 78 of the Thermobimetal 77 on the outside of the leg 75 at the free end of this Leg 75 is welded.
  • An end 79 of the coil is also in the same place 70 attached.
  • thermobimetal 77 lies on the outside of the leg 75 and dominates with its free, bendable end 80 the web 72 of the yoke 73. Das other end 81 of the coil wire is connected to a terminal lug 82. The Thermobimetal 77 is accordingly also indirectly heated by the coil 70 here.
  • the thermal bimetal is in each case indirectly from the coil heat is heated; the current does not flow through the bimetal.
  • the magnetic release has a yoke 90 on which a bobbin 91 is fixed, around which the bobbin 92 is wound.
  • the yoke 90 has two legs 93 and 94 of different lengths and on the longer leg 93 is a terminal lug 95 attached to which a bimetal 96 is attached is.
  • the free end of the bimetal 96, which is in the area of the web 97 of the yoke 90 is connected to a stranded conductor 98 at one end 99 of the coil.
  • the other end 100 of the coil is connected to the web 97.
  • On the connection flag 95 connects a connecting conductor 101, the other end of which is connected to a connecting terminal 102 is connected.
  • the current flows from line 101 once through thermal bimetal 96 to the stranded conductor 98 and on the other hand via the leg 93, the end 100, through the coil 92 and over the other coil wire end 99 to a branch point 103 which is followed by a continuing conductor 104.
  • thermobimetal 96 is connected to the connecting lug 95.
  • the current flows from terminal 102 via line 105, coil 92, the yoke 90 with the leg 93 to the tab 95 and through the bimetal 96, see above that in the embodiment of Fig. 8, the two elements coil, yoke and bimetal are connected in series with each other.
  • FIGS. 9 shows the indirect heating of the bimetal by the coil according to FIGS. 1 to 6.
  • the current flows from the terminal 102 the connecting line 105 to the end 99 of the coil 92; the other end 100 is to the tab 95 guided and flows on from there via the yoke leg 93.
  • Thermobimetal 96 does not have current flowing through it, but rather the heat of the coil 92 and also indirectly heated by the heat of the yoke leg 93.
  • FIGS. 1 to 6 Introduce bimetal into the inside of the coil, i.e. between the coil body and the coil wire, taking care to ensure that between the coil wire and the bobbin has enough space.
  • the arrangement is purely schematic in the Fig. 11 shown.
  • the coil 110 is oval in shape; it surrounds a coil former 111 with circular cross-section and the thermobimetal 112; the bobbin 111 is in known manner attached to the bottom of a yoke and the bimetallic 112 protrudes then axially out of the space that is covered by the coil body or the coil is.
  • the yoke is traversed by the current and thus becomes the bimetal from the coil and the yoke leg, in the area of which the bimetal is located, heated. Accordingly, the yoke leg must have a certain longitudinal section cover the bimetallic strip, the length being such that the bimetallic strip is sufficiently heated by the yoke.
  • the embodiments according to FIGS. 1 to 6 is the fixed end of the bimetal at the free end of the yoke leg fastened and protrudes from the yoke web running perpendicular to the coil axis.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
  • Emergency Protection Circuit Devices (AREA)
EP97121381A 1996-12-20 1997-12-05 Déclencheur de surintensité et de courtcircuit pour un disjoncteur électrique Expired - Lifetime EP0849761B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19653295A DE19653295A1 (de) 1996-12-20 1996-12-20 Überstrom- und Kurzschlußauslöser für einen elektrischen Installationsschalter
DE19653295 1996-12-20

Publications (3)

Publication Number Publication Date
EP0849761A2 true EP0849761A2 (fr) 1998-06-24
EP0849761A3 EP0849761A3 (fr) 1999-01-07
EP0849761B1 EP0849761B1 (fr) 2003-05-07

Family

ID=7815533

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97121381A Expired - Lifetime EP0849761B1 (fr) 1996-12-20 1997-12-05 Déclencheur de surintensité et de courtcircuit pour un disjoncteur électrique

Country Status (3)

Country Link
EP (1) EP0849761B1 (fr)
AT (1) ATE239978T1 (fr)
DE (2) DE19653295A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1492141A1 (fr) * 2003-06-27 2004-12-29 ABB PATENT GmbH Déclencheur électrique
EP1815489A1 (fr) * 2004-11-22 2007-08-08 ABB PATENT GmbH Appareil de commutation comprenant un declencheur electromagnetique
CN102867708A (zh) * 2011-07-05 2013-01-09 西门子公司 具有最优化的线圈连接的短路脱扣器
CN103441047A (zh) * 2013-09-16 2013-12-11 安德利集团有限公司 一种小型漏电断路器的脱扣触发装置
CN103681146A (zh) * 2013-12-10 2014-03-26 德力西电气有限公司 一种小型断路器
WO2014083191A1 (fr) * 2012-11-29 2014-06-05 Eaton Industries (Austria) Gmbh Disjoncteur de ligne avec élément bimétallique chauffé passivement
CN107004546A (zh) * 2014-11-20 2017-08-01 伊顿工业（奥地利）有限公司 具有被动加热的且作用在电磁触发器的衔铁上的双金属元件的断路器
CN109243936A (zh) * 2018-10-26 2019-01-18 厦门国研科技有限公司 一种多回路断路器

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10335704A1 (de) * 2003-08-05 2005-03-03 Abb Patent Gmbh Elektrische Auslöseeinrichtung für ein elektrisches Schaltgerät
DE102010040947A1 (de) * 2010-09-17 2012-03-22 Siemens Aktiengesellschaft Auslöseeinrichtung für ein Schutzschaltgerät sowie Schutzschaltgerät
DE102012111566A1 (de) * 2012-11-29 2014-06-05 Eaton Electrical Ip Gmbh & Co. Kg Auslösevorrichtung für Leistungsschalter
DE102014117035A1 (de) * 2014-11-20 2016-05-25 Eaton Industries (Austria) Gmbh Leitungsschutzschalter mit passiv beheiztem und auf einem Eisenrückschluss eines elektromagnetischen Auslösers wirkendem Bimetall-Element

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR714012A (fr) * 1931-03-28 1931-11-06 Telemecanique Electrique Coupe-circuit magnéto-thermique
FR1544977A (fr) * 1966-11-18 1968-11-08 Licentia Gmbh Déclencheur à bilame à chauffage direct et indirect pour disjoncteur
EP0037490A1 (fr) * 1980-04-03 1981-10-14 BROWN, BOVERI & CIE Aktiengesellschaft Mannheim Dispositif de déclenchement d'un interrupteur automatique pour interrompre un circuit

Family Cites Families (5)

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Publication number Priority date Publication date Assignee Title
DE469878C (de) * 1925-03-25 1929-01-02 Aeg Ausloesevorrichtung fuer Selbstschalter
DE469660C (de) * 1927-07-02 1928-12-20 Siemens Schuckertwerke Akt Ges UEberlastungsschalter
DE662139C (de) * 1935-11-26 1938-07-06 Elektrotechnische Spezialfabri Thermisch und magnetisch wirkender UEberstromausloeser
DE1463684B2 (de) * 1964-11-17 1970-06-18 Stotz-Kontakt GmbH, 6800 Mannheim-Käfertal Installationsselbstschalter mit thermischem und magnetischem.Auslöser
DE2610951C3 (de) * 1976-03-16 1980-09-18 Brown, Boveri & Cie Ag, 6800 Mannheim Schutzschalter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR714012A (fr) * 1931-03-28 1931-11-06 Telemecanique Electrique Coupe-circuit magnéto-thermique
FR1544977A (fr) * 1966-11-18 1968-11-08 Licentia Gmbh Déclencheur à bilame à chauffage direct et indirect pour disjoncteur
EP0037490A1 (fr) * 1980-04-03 1981-10-14 BROWN, BOVERI & CIE Aktiengesellschaft Mannheim Dispositif de déclenchement d'un interrupteur automatique pour interrompre un circuit

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1492141A1 (fr) * 2003-06-27 2004-12-29 ABB PATENT GmbH Déclencheur électrique
EP1815489A1 (fr) * 2004-11-22 2007-08-08 ABB PATENT GmbH Appareil de commutation comprenant un declencheur electromagnetique
CN102867708B (zh) * 2011-07-05 2016-04-06 西门子公司 具有最优化的线圈连接的短路脱扣器
EP2544207A1 (fr) * 2011-07-05 2013-01-09 Siemens Aktiengesellschaft Coupe-circuit avec connexion optimisée de la bobine
US8593240B2 (en) 2011-07-05 2013-11-26 Siemens Aktiengesellschaft Short-circuit release having an optimized coil connection
CN102867708A (zh) * 2011-07-05 2013-01-09 西门子公司 具有最优化的线圈连接的短路脱扣器
WO2014083191A1 (fr) * 2012-11-29 2014-06-05 Eaton Industries (Austria) Gmbh Disjoncteur de ligne avec élément bimétallique chauffé passivement
CN103441047A (zh) * 2013-09-16 2013-12-11 安德利集团有限公司 一种小型漏电断路器的脱扣触发装置
CN103441047B (zh) * 2013-09-16 2015-05-20 安德利集团有限公司 一种小型漏电断路器的脱扣触发装置
CN103681146A (zh) * 2013-12-10 2014-03-26 德力西电气有限公司 一种小型断路器
CN103681146B (zh) * 2013-12-10 2016-08-17 德力西电气有限公司 一种小型断路器
CN107004546A (zh) * 2014-11-20 2017-08-01 伊顿工业（奥地利）有限公司 具有被动加热的且作用在电磁触发器的衔铁上的双金属元件的断路器
CN107004546B (zh) * 2014-11-20 2019-01-15 伊顿工业（奥地利）有限公司 具有被动加热的且作用在电磁触发器的衔铁上的双金属元件的断路器
CN109243936A (zh) * 2018-10-26 2019-01-18 厦门国研科技有限公司 一种多回路断路器

Also Published As

Publication number Publication date
ATE239978T1 (de) 2003-05-15
DE19653295A1 (de) 1998-06-25
EP0849761A3 (fr) 1999-01-07
DE59710032D1 (de) 2003-06-12
EP0849761B1 (fr) 2003-05-07

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