EP0381920A2 - Cableway installation - Google Patents

Cableway installation Download PDF

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Publication number
EP0381920A2
EP0381920A2 EP89890324A EP89890324A EP0381920A2 EP 0381920 A2 EP0381920 A2 EP 0381920A2 EP 89890324 A EP89890324 A EP 89890324A EP 89890324 A EP89890324 A EP 89890324A EP 0381920 A2 EP0381920 A2 EP 0381920A2
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EP
European Patent Office
Prior art keywords
cable
electromagnets
deflection
rope
deflection disc
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
EP89890324A
Other languages
German (de)
French (fr)
Other versions
EP0381920A3 (en
EP0381920B1 (en
Inventor
Elmar B. Fuchs
Ernst Nigg
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.)
Doppelmayr Seilbahnen GmbH
Original Assignee
Konrad Doppelmayr and Sohn Maschinenfabrik GmbH and Co KG
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Application filed by Konrad Doppelmayr and Sohn Maschinenfabrik GmbH and Co KG filed Critical Konrad Doppelmayr and Sohn Maschinenfabrik GmbH and Co KG
Publication of EP0381920A2 publication Critical patent/EP0381920A2/en
Publication of EP0381920A3 publication Critical patent/EP0381920A3/en
Application granted granted Critical
Publication of EP0381920B1 publication Critical patent/EP0381920B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
    • B61B12/02—Suspension of the load; Guiding means, e.g. wheels; Attaching traction cables
    • B61B12/022—Vehicle receiving and dispatching devices

Definitions

  • the invention relates to a cable car system with rope deflection disks arranged in the valley station and in the mountain station, at least one rope deflection disk being designed with a drive, and with a carrying and conveying rope for the movement of driving means, which is guided around the rope deflection disks and via guide or deflection rollers.
  • driving means such as armchairs, cabins and other means of transport, e.g. Buckets.
  • a drive motor is provided either in the valley station or in the mountain station, by means of which the cable deflection pulley can be driven via a gear and a clutch.
  • a gearbox is therefore required to reduce the speed of rotation of the rope deflection pulley with which the carrying and conveyor rope is moved.
  • such a drive is disadvantageous because, in addition to the electric motor, the gearbox and a clutch must be provided, which are susceptible to malfunction, since noise also results from the gearbox and because these components are subject to wear, which is why they are also prone to failure.
  • the object of the present invention is therefore to provide a drive for a cable car system by means of which the above-mentioned disadvantages of known drives are avoided and by which further advantages are achieved.
  • the cable deflection disk forms the rotor of the drive motor, in particular a magnetic motor, or is coupled with it directly for driving.
  • a magnetic motor consists of a stator and a rotor, a group of electromagnets being arranged on the stator and being assigned a group of permanent magnets or electromagnets on the rotor. Through each other following excitation of the electromagnets of the stator lying next to one another, a rotating field is generated, by means of which the rotor is rotated.
  • the arrangement of a gear and a clutch can be dispensed with.
  • the speed of rotation of a magnetic motor can be steplessly controlled in a simple manner. In addition, the motor can never be blocked due to component breakage.
  • a group of permanent magnets or electromagnets is arranged on the cable deflection disk, to which a ring of electromagnets by means of which a rotating magnetic field can be generated is assigned to the stator, which is fastened to the support for this cable deflection disk.
  • electromagnets can also be provided on the rotor, by means of which the rotating field can be generated.
  • the cable deflection disk is formed on its upper side with at least one group of magnets arranged in a ring, to which a ring of electromagnets carried by the carrier for the deflecting plate, by means of which a rotating field can be generated, is assigned, the upper side of the cable deflecting plate by a cap-like housing is enclosed.
  • the at least one guide groove for the carrying and conveying rope can be provided either on the outer circumference of the rope sheave or on an additional ring arranged on its underside.
  • FIG. 1 shows a column 1 as a carrier or as a bearing for a cable pulley 2.
  • the cable deflection pulley 2 is formed on its underside with a guide groove 21 for the carrying and conveying cable 3.
  • Guide or guide rollers 12 are also mounted on the carrier 1 by means of a frame 11. Armchairs 5 are coupled to the carrying and conveyor rope 3.
  • the cable deflection disk 2 is formed on its outer peripheral edge with an upwardly projecting flange 22, on the inside of which at least one group of electromagnets 24 or permanent magnets 24 'arranged next to one another is carried. Furthermore, a disk-shaped plate 13 is fastened to the carrier 1, on the outer circumference of which a plurality of ring-shaped electromagnets 14 are arranged. The electromagnets 14 are connected to a supply and control circuit via control lines 15. The cable pulley 2 can be rotated relative to the carrier 1 by means of a bearing 25.
  • This arrangement creates a magnetic motor, the stator of which is formed by the disk 13 with the electromagnet 14 and the rotor of which is formed by the rope deflection disk 2 with the magnets 24, 24 '.
  • the rotation of the rope deflection disk 2 is brought about by the fact that a rotating magnetic field is generated by successive excitation of the electromagnets 14 arranged next to one another in a ring, through which the magnets 24, 24 'are attracted or repelled, as a result of which the cable deflection disk 2 serving as a rotor is rotated.
  • the cable deflection pulley 2 serves as a drive for the carrying and conveying cable 3.
  • a cover 16 is provided above the cable deflection pulley 2.
  • the rotating field can also be generated by the electromagnets 24 arranged on the cable deflection disk 2, wherein permanent magnets can also be arranged on the disk 13.
  • the electromagnets are fed via slip rings.
  • a supporting structure can be provided instead of a support column, which is attached to the ceiling of the station.
  • the cable deflection disc is coupled to the rotor of the drive motor via an optionally flexible shaft so that it can be taken along.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Pulleys (AREA)
  • Ropes Or Cables (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
  • Unwinding Of Filamentary Materials (AREA)
  • Non-Mechanical Conveyors (AREA)
  • Hydroponics (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Forwarding And Storing Of Filamentary Material (AREA)
  • Flexible Shafts (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Saccharide Compounds (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Control Of Combustion (AREA)
  • Steering Controls (AREA)

Abstract

Seilbahnanlage mit in der Talstation und in der Berg­station angeordneten Seilumlenkscheiben (2), deren mindestens eine angetrieben ist, und mit einem um die Seilumlenkscheiben (2) gelegten und über Führungs- bzw. Ablenkrollen (12) geleiteten Trag- und Förder­seil (3) für die Bewegung von Fahrbetriebsmitteln, wie Sesseln (5). Dabei bildet die Seilumlenkscheibe (2) den Rotor des Antriebsmotors, insbesondere eines Magnetmotors, bzw. ist sie mit diesem unmittelbar auf Mitnahme gekuppelt.

Figure imgaf001
Cable car system with cable deflection sheaves (2) arranged in the valley station and in the mountain station, at least one of which is driven, and with a carrying and conveyor cable (3) placed around the cable deflection sheaves (2) and guided by guide or deflection rollers (12) the movement of driving equipment, such as armchairs (5). The cable deflecting disc (2) forms the rotor of the drive motor, in particular a magnetic motor, or is coupled to it directly for driving.
Figure imgaf001

Description

Die Erfindung betrifft eine Seilbahnanlage mit in der Talstation und in der Bergstation angeordneten Seilum­lenkscheiben, wobei mindestens eine Seilumlenkscheibe mit einem Antrieb ausgebildet ist, und mit einem um die Seilumlenkscheiben und über Leit- bzw. Ablenkrollen geführten Trag- und Förderseil für die Bewegung von Fahrbetriebsmitteln, wie Sesseln, Kabinen und anderen Transportmitteln, z.B. Kübeln.The invention relates to a cable car system with rope deflection disks arranged in the valley station and in the mountain station, at least one rope deflection disk being designed with a drive, and with a carrying and conveying rope for the movement of driving means, which is guided around the rope deflection disks and via guide or deflection rollers. such as armchairs, cabins and other means of transport, e.g. Buckets.

Bei bekannten derartigen Seilbahnanlagen ist entweder in der Talstation oder in der Bergstation ein Antriebs­motor vorgesehen, durch welchen die Seilumlenkscheibe über ein Getriebe und eine Kupplung antreibbar ist. Ein Getriebe ist deshalb erforderlich, um die Umdrehungs­geschwindigkeit der Seilumlenkscheibe zu reduzieren, mit welcher das Trag- und Förderseil bewegt wird. Ein derartiger Antrieb ist jedoch deshalb nachteilig, da zusätzlich zum Elektromotor das Getriebe und eine Kupplung vorgesehen sein müssen, welche störungsanfällgig sind, da weiters durch das Getriebe Geräuschentwicklungen bedingt werden und da schließlich diese Bauteile Ab­nützungen unterliegen, weswegen sie gleichfalls stö­rungsanfällig sind.In known cable car systems of this type, a drive motor is provided either in the valley station or in the mountain station, by means of which the cable deflection pulley can be driven via a gear and a clutch. A gearbox is therefore required to reduce the speed of rotation of the rope deflection pulley with which the carrying and conveyor rope is moved. However, such a drive is disadvantageous because, in addition to the electric motor, the gearbox and a clutch must be provided, which are susceptible to malfunction, since noise also results from the gearbox and because these components are subject to wear, which is why they are also prone to failure.

Der gegenständlichen Erfindung liegt demnach die Auf­gabe zugrunde, einen Antrieb für eine Seilbahnanlage zu schaffen, durch welche die vorstehend angeführten Nachteile bekannter Antriebe vermieden werden und durch welche noch weitere Vorteile erzielt werden. Dies wird erfindungsgemäß dadurch erzielt, daß die Seilumlenk­scheibe den Rotor des Antriebsmotors, insbesondere eines Magnetmotors, bildet, bzw. mit diesem unmittel­bar auf Mitnahme gekuppelt ist. Ein Magnetmotor be­steht aus einem Stator und aus einem Rotor, wobei am Stator eine Gruppe von Elektromagneten angeordnet ist, welcher am Rotor eine Gruppe von Permanentmagneten oder Elektromagneten zugeordnet ist. Durch aufeinander­ folgende Erregung der nebeinander liegenden Elektro­magneten des Stators wird ein sich drehendes Feld er­zeugt, durch welches der Rotor verdreht wird.The object of the present invention is therefore to provide a drive for a cable car system by means of which the above-mentioned disadvantages of known drives are avoided and by which further advantages are achieved. This is achieved according to the invention in that the cable deflection disk forms the rotor of the drive motor, in particular a magnetic motor, or is coupled with it directly for driving. A magnetic motor consists of a stator and a rotor, a group of electromagnets being arranged on the stator and being assigned a group of permanent magnets or electromagnets on the rotor. Through each other following excitation of the electromagnets of the stator lying next to one another, a rotating field is generated, by means of which the rotor is rotated.

Durch die erfindungsgemäße Ausbildung der Seilumlenk­scheibe als Rotor des Antriebsmotors bzw. durch unmittel­bare Kupplung der Seilumlenkscheibe mit dem Rotor des Antriebsmotors kann auf die Anordnung eines Getriebes und einer Kupplung verzichtet werden. Hierdurch werden die durch ein Getriebe und eine Kupplung bedingten Nachteile, nämlich daß diese einer Abnützung unter­liegen, daß sie einer Wartung bedürfen, daß durch ihren Betrieb Geräusche verursacht werden und daß für den Betrieb des Getriebes Öl benötitgt wird, vermieden. Ein Magnetmotor kann in einfacher Weise in seiner Um­drehungsgeschwindigkeit stufenlos gesteuert werden. Zudem kann niemals durch Bruch von Bauteilen ein Blockieren des Motors bedingt werden.Due to the inventive design of the rope deflection disk as the rotor of the drive motor or through direct coupling of the rope deflection disk with the rotor of the drive motor, the arrangement of a gear and a clutch can be dispensed with. This avoids the disadvantages caused by a transmission and a clutch, namely that they are subject to wear, that they require maintenance, that their operation causes noise and that oil is required for the operation of the transmission. The speed of rotation of a magnetic motor can be steplessly controlled in a simple manner. In addition, the motor can never be blocked due to component breakage.

Nach einem bevorzugten Ausführungsbeispiel ist an der Seilumlenkscheibe eine Gruppe von Permanentmagneten oder Elektromagneten angeordnet, welcher am Stator, der am Träger für diese Seilumlenkscheibe befestigt ist, ein Ring von Elektromagneten, durch welche ein sich drehendes Magnetfeld erzeugbar ist, zugeordnet ist. Es können jedoch auch am Rotor Elektromagneten vorgesehen sein, durch welche das Drehfeld erzeugbar ist. Vorzugsweise ist die Seilumlenkscheibe an ihrer Oberseite mit mindestens einer Gruppe von ringförmig angeordneten Magneten ausgebildet, welcher ein vom Träger für die Umlenkscheibe getragener Ring von Elektromagneten, durch welche ein sich drehendes Feld erzeugbar ist, zugeordnet ist, wobei die Oberseite der Seilumlenk­scheibe durch ein kappenartiges Gehäuse umschlossen ist. Die mindestens eine Führungsrille für das Trag- und Förderseil kann dabei entweder am Außenumfang der Seilumlenscheibe oder an einem an ihrer Unterseite angeordneten zusätzlichen Ring vorgesehen sein.According to a preferred embodiment, a group of permanent magnets or electromagnets is arranged on the cable deflection disk, to which a ring of electromagnets by means of which a rotating magnetic field can be generated is assigned to the stator, which is fastened to the support for this cable deflection disk. However, electromagnets can also be provided on the rotor, by means of which the rotating field can be generated. Preferably, the cable deflection disk is formed on its upper side with at least one group of magnets arranged in a ring, to which a ring of electromagnets carried by the carrier for the deflecting plate, by means of which a rotating field can be generated, is assigned, the upper side of the cable deflecting plate by a cap-like housing is enclosed. The at least one guide groove for the carrying and conveying rope can be provided either on the outer circumference of the rope sheave or on an additional ring arranged on its underside.

Der Gegenstand der Erfindung ist nachstehend anhand eines in der Zeichnung dargestellten Ausführungsbei­spiels näher erläutert. Es zeigen:

  • Fig. 1 eine Seilumlenkscheibe mit einem erfindungsge­mäßen Antrieb, in axonometrischer Darstellung, und
  • Fig. 2 die Seilumlenkscheibe gemäß Fig. 1, in achsialem Schnitt.
The object of the invention is explained below with reference to an embodiment shown in the drawing. Show it:
  • Fig. 1 shows a rope deflection plate with a drive according to the invention, in an axonometric view, and
  • Fig. 2, the rope deflection sheave according to Fig. 1, in axial section.

In Fig.1 ist eine Säule 1 als Träger bzw. als Lager für eine Seilumlenscheibe 2 dargestellt. Die Seilumlenk­scheibe 2 ist an ihrer Unterseite mit einer Führungs­rille 21 für das Trag- und Förderseil 3 ausgebildet. Am Träger 1 sind weiters mittels eines Gestells 11 Führungs- bzw. Leitrollen 12 gelagert. An das Trag und Förderseil 3 sind Sessel 5 angekuppelt.1 shows a column 1 as a carrier or as a bearing for a cable pulley 2. The cable deflection pulley 2 is formed on its underside with a guide groove 21 for the carrying and conveying cable 3. Guide or guide rollers 12 are also mounted on the carrier 1 by means of a frame 11. Armchairs 5 are coupled to the carrying and conveyor rope 3.

Wie aus Fig.2 ersichtlich ist, ist die Seilumlenkscheibe 2 an ihrem äußeren Umfangsrand mit einem nach oben abragen­den Flansch 22 ausgebildet, an dessen Innenseite min­destens eine Gruppe von nebeneinander angeordneten Elektromagneten 24 oder Permanentmagneten 24′ getragen ist. Am Träger 1 ist weiters eine scheibenförmige Platte 13 befestigt, an deren äußerem Umfang eine Viel­zahl von ringförmig angeordneten Elektromagneten 14 angeordnet ist. Die Elektromagneten 14 sind über Steuer­leitungen 15 mit einer Speise- und Steuerschaltung verbunden. Die Seilumlenscheibe 2 ist mittels eines Lagers 25 gegenüber dem Träger 1 verdrehbar.As can be seen from FIG. 2, the cable deflection disk 2 is formed on its outer peripheral edge with an upwardly projecting flange 22, on the inside of which at least one group of electromagnets 24 or permanent magnets 24 'arranged next to one another is carried. Furthermore, a disk-shaped plate 13 is fastened to the carrier 1, on the outer circumference of which a plurality of ring-shaped electromagnets 14 are arranged. The electromagnets 14 are connected to a supply and control circuit via control lines 15. The cable pulley 2 can be rotated relative to the carrier 1 by means of a bearing 25.

Durch diese Anordnung ist ein Magnetmotor geschaffen, dessen Stator durch die Scheibe 13 mit dem Elektro­magneten 14 und dessen Rotor durch die Seilumlenk­scheibe 2 mit den Magneten 24, 24′ gebildet ist. Die Verdrehung der Seilumlenkscheibe 2 wird dadurch be­wirkt, daß durch aufeinanderfolgende Erregung der ringförmig nebeneinander angeordneten Elektromagneten 14 ein sich drehendes Magnetfeld erzeugt wird, durch welches die Magneten 24, 24′ angezogen bzw. abgestoßen werden, wodurch die als Rotor dienende Seilumlenkscheibe 2 ver­dreht wird. Hierdurch dient die Seilumlenkscheibe 2 als Antrieb für das Trag- und Förderseil 3. Oberhalb der Seilumlenkscheibe 2 ist eine Abdeckung 16 vorgesehen.This arrangement creates a magnetic motor, the stator of which is formed by the disk 13 with the electromagnet 14 and the rotor of which is formed by the rope deflection disk 2 with the magnets 24, 24 '. The rotation of the rope deflection disk 2 is brought about by the fact that a rotating magnetic field is generated by successive excitation of the electromagnets 14 arranged next to one another in a ring, through which the magnets 24, 24 'are attracted or repelled, as a result of which the cable deflection disk 2 serving as a rotor is rotated. As a result, the cable deflection pulley 2 serves as a drive for the carrying and conveying cable 3. A cover 16 is provided above the cable deflection pulley 2.

Ergänzend wird darauf verwiesen, daß das sich drehende Feld auch durch die an der Seilumlenkscheibe 2 angeordne­ten Elektromagneten 24 erzeugt werden kann, wobei auch auf der Scheibe 13 Permanentmagneten angeordnet sein können. Dabei erfolgt die Speisung der Elektromagneten über Schleifringe. Weiters kann anstelle einer Tragsäule ein Traggerüst vorgesehen sein, welches an der Decke der Station befestigt ist.In addition, reference is made to the fact that the rotating field can also be generated by the electromagnets 24 arranged on the cable deflection disk 2, wherein permanent magnets can also be arranged on the disk 13. The electromagnets are fed via slip rings. Furthermore, a supporting structure can be provided instead of a support column, which is attached to the ceiling of the station.

Eine weitere Variante besteht darin, daß die Seilumlenk­scheibe mit dem Rotor des Antriebsmotors über eine gege­benenfalls biegsame Welle unmittelbar auf Mitnahme ge­kuppelt ist.Another variant is that the cable deflection disc is coupled to the rotor of the drive motor via an optionally flexible shaft so that it can be taken along.

Claims (4)

1. Seilbahnanlage mit in der Talstation und in der Bergstation angeordneten Seilumlenkscheiben, deren mindestens eine angetrieben ist, und mit einem um die Seilumlenkscheiben gelegten und über Führungs- bzw. Ablenkrollen geleiteten Trag- und Förderseil für die Bewegung von Fahrbetriebsmitteln, wie Sesseln, Kabinen oder anderen Trageinrichtungen, dadurch gekennzeichnet, daß die Seilumlenkscheibe (2) den Rotor des Antriebs­motors, insbesondere eines Magnetmotors bildet, bzw. mit diesem unmittelbar auf Mitnahme gekuppelt ist.1.Ropeway system with rope deflection disks arranged in the valley station and in the mountain station, at least one of which is driven, and with a carrying and conveying rope for moving equipment, such as armchairs, cabins or, which is placed around the rope deflection disks and guided over guide or deflection rollers other supporting devices, characterized in that the cable deflection disc (2) forms the rotor of the drive motor, in particular a magnetic motor, or is coupled directly to it for driving. 2. Seilbahnanlage nach Patentanspruch 1, dadurch ge­kennzeichnet, daß von der Seilumlenkscheibe (2) eine Gruppe von Elektromagneten (24) oder Permanentmagne­ten (24′) getragen ist, welcher am Lager für die Seil­umlenkscheibe (2) ein Ring von Elektromagneten (14) zugeordnet ist, durch welche ein sich drehendes Feld erzeugbar ist.2. Cable car system according to claim 1, characterized in that a group of electromagnets (24) or permanent magnets (24 ') is carried by the cable deflection disc (2), which is assigned a ring of electromagnets (14) on the bearing for the cable deflection disc (2) through which a rotating field can be generated. 3. Seilbahnanlage nach Patentanspruch 1, dadurch gekenn­zeichnet, daß von der Seilumlenkscheibe (2) eine Gruppe von Elektromagneten (24) getragen ist, durch welche ein sich drehendes Feld erzeugbar ist und welchen am Lager für die Seilumlenkscheibe (2) ein Ring von Elektro­magneten oder Permanentmagneten zugeordnet ist.3. Cable car system according to claim 1, characterized in that a group of electromagnets (24) is carried by the cable deflection disc (2), through which a rotating field can be generated and which on the bearing for the cable deflection disc (2) is a ring of electromagnets or Permanent magnet is assigned. 4. Seilbahnanlage nach einem der Patentansprüche 1 bis 3, dadurch gekennzeichnet, daß ein Träger, z.B. eine Tragsäule (1) mit einem Ring von Elektromagneten (14) ausgebildet ist, dem an der Oberseite der Seilumlenk­scheibe (2) mindestens eine Gruppe von Elektromagne­ten (24) oder Permanentmagneten (24′) zugeordnet ist und daß die Seilumlenkscheibe (2) durch ein Gehäuse (16) abgeschlossen ist.4. Cable car system according to one of the claims 1 to 3, characterized in that a carrier, e.g. a support column (1) is formed with a ring of electromagnets (14), at least one group of electromagnets (24) or permanent magnets (24 ') is assigned to the top of the cable deflection disc (2) and that the cable deflection disc (2) by a Housing (16) is complete.
EP89890324A 1989-02-08 1989-12-18 Cableway installation Expired - Lifetime EP0381920B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT267/89 1989-02-08
AT0026789A AT394168B (en) 1989-02-08 1989-02-08 ROPEWAY SYSTEM

Publications (3)

Publication Number Publication Date
EP0381920A2 true EP0381920A2 (en) 1990-08-16
EP0381920A3 EP0381920A3 (en) 1991-03-20
EP0381920B1 EP0381920B1 (en) 1995-03-08

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EP89890324A Expired - Lifetime EP0381920B1 (en) 1989-02-08 1989-12-18 Cableway installation

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US (1) US5024162A (en)
EP (1) EP0381920B1 (en)
JP (2) JPH02248502A (en)
KR (1) KR0160775B1 (en)
AT (2) AT394168B (en)
AU (1) AU623486B2 (en)
CA (1) CA2008691C (en)
CZ (1) CZ284444B6 (en)
DE (1) DE58909093D1 (en)
ES (1) ES2070193T3 (en)
FI (1) FI110590B (en)
IN (1) IN172141B (en)
NO (1) NO171356C (en)
NZ (1) NZ232034A (en)
RU (1) RU2041097C1 (en)
SE (1) SE9000198L (en)
SK (1) SK278821B6 (en)

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NO900572D0 (en) 1990-02-06
KR0160775B1 (en) 1998-12-01
AT394168B (en) 1992-02-10
AU4895590A (en) 1990-08-16
ES2070193T3 (en) 1995-06-01
EP0381920A3 (en) 1991-03-20
US5024162A (en) 1991-06-18
JPH02248502A (en) 1990-10-04
CS9000306A2 (en) 1991-07-16
NZ232034A (en) 1992-06-25
KR900012830A (en) 1990-09-01
JPH1157U (en) 1999-04-09
AU623486B2 (en) 1992-05-14
EP0381920B1 (en) 1995-03-08
SE9000198L (en) 1990-08-09
DE58909093D1 (en) 1995-04-13
NO171356B (en) 1992-11-23
ATE119479T1 (en) 1995-03-15
NO900572L (en) 1990-08-09
NO171356C (en) 1993-03-03
CA2008691A1 (en) 1990-08-08
FI110590B (en) 2003-02-28
IN172141B (en) 1993-04-17
SE9000198D0 (en) 1990-01-19
CA2008691C (en) 1998-11-24
ATA26789A (en) 1991-08-15
SK278821B6 (en) 1998-03-04
FI900595A0 (en) 1990-02-07
RU2041097C1 (en) 1995-08-09
CZ284444B6 (en) 1998-11-11

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