EP0765791B1 - Einzelachsfahrwerk für ein Schienenfahrzeug - Google Patents
Einzelachsfahrwerk für ein Schienenfahrzeug Download PDFInfo
- Publication number
- EP0765791B1 EP0765791B1 EP96119274A EP96119274A EP0765791B1 EP 0765791 B1 EP0765791 B1 EP 0765791B1 EP 96119274 A EP96119274 A EP 96119274A EP 96119274 A EP96119274 A EP 96119274A EP 0765791 B1 EP0765791 B1 EP 0765791B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- yoke
- power
- force
- bogie
- axle
- 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
- 239000000872 buffer Substances 0.000 claims abstract description 3
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 230000001419 dependent effect Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/38—Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles
- B61F5/386—Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles fluid actuated
Definitions
- the invention relates to a single-axle running gear for a rail vehicle according to the preamble of claim 1.
- Such a single-axle chassis is already known from EP-A-282738 and can be compared to bogie drives, where at least two wheel sets are provided per bogie, lead to a saving of axles or a reduction in costs.
- the object of the invention is an improved single-axle chassis to provide.
- force-controlled actuators are used Generation of a counterforce acting against the restoring force and a force magnitude provided on the force-controlled actuator adjusting control, wherein the force set on the actuator depends on the radius of the track curve.
- a wheel set of a rail vehicle that has a corresponding profile the wheel tread has an independent when cornering on a curved track Can perform steering movement around a vertical axis.
- tapered profile of the tread results in a curved track Roll radius difference between the inner and outer running circle, resulting in a radial adjustment movement of the wheelset is caused.
- the lowest possible contact angle between the wheel and rail desirable.
- the wheelset should move freely be restricted as little as possible around the vertical axis.
- This type of wheel set which is softly coupled to the vehicle, occurs when running in a straight line Sine or wave running, which is inherently harmless. From a certain speed However, the sinus run suddenly hits the dangerous and weary zigzag run around. This speed limit is called the critical speed, she largely determines the maximum permissible speed of the vehicle.
- a known approach provides that the steering deflection of the wheelset by Priority control is set, i.e. through a mechanical coupling of the steering deflection of the wheel set with another depending on the radius of the curve mechanical size.
- This size is e.g. the deflection angle between one Storage of two wheelsets serving bogies and the body.
- the turning angle of the wheelset is not determined by the between the wheel and the rail occurring forces, but mechanically due to purely geometric conditions generated.
- the restoring force of the Resilient device can be set high, providing the desired stability the vehicle run is reached with a high limit speed.
- a Cornering is done via the force-controlled actuator depending on the radius of the Track arch exerted a counterforce acting against the restoring force. Achieved by this one has a pre-tax effect of the wheelset.
- this does not mean forced control, because the angular position of the wheel set, which is precisely adapted to the track curve, continues to be correct the forces occurring between wheel and rail are adjusted independently. The result is a very small run-up angle between the wheel and rail and therefore a excellent wear behavior.
- a force-controlled actuator for example, at least one proportional one Pressure control valve, a proportional pressure relief valve or a pressure controlled pump be used.
- the counterforce acting against the restoring force is preferably only from a certain threshold of the detected radius of the arc.
- Fig. 1 two wheel sets 1, 1 'rotatable about a vertical axis are shown which are connected to the both ends of a bogie 8 also rotatable about a vertical axis are.
- Resilient elements for example springs 6, act on the axle bearings 3 Exercise restoring force, which acts against a deflection ⁇ of the wheel sets.
- By means of the force-controlled actuators 7 can a counterforce acting against the restoring force be exercised.
- the electro-hydraulic control device 20 consists of a hydraulic fluid reservoir 21, a pump 22, a pressure return 23, a throttle 24 and two electronically controlled proportional pressure regulating valves 12, 13, the outlet side of which Pressure is set in each case by a voltage that the control device 11 outputs.
- the bogie 2 When traveling on a curved track, the bogie 2 rotates relative to that Car body (not shown) at an angle ⁇ that is proportional to the curvature of the Track arc is.
- a transducer 10 which in this embodiment in essentially contains a potentiometer, the deflection angle ⁇ of the bogie is in a control voltage U implemented.
- the amount of this tension is proportional to Deflection angle ⁇ (and thus to the curvature of the track arch) and its sign depends on the direction of rotation.
- Threshold elements 30, 31 subsequently check the magnitude and the sign of the voltage U. If U is above a certain threshold value U o , the voltage U is switched through to the output of the threshold element 30. It is then amplified by the amplifier 32 and used to control the pressure control valve 12. As a result, the pistons of the cylinders 7 are acted upon by a pressure proportional to U via the hydraulic line 40.
- the pressure on the pistons of the cylinder 7 is always exerted in such a way that a Force acts against the restoring force of the springs.
- a Force acts against the restoring force of the springs.
- Fig. 1 Deflection of the bogie in a clockwise direction will change the upper wheelset adjust certain angle ⁇ clockwise.
- the springs 6 exercise against them Deflection a restoring force.
- the left piston of the upper wheel set must be on its axis away, the right one on its a corresponding pressure is applied to the side near the axis.
- both outputs of the threshold members 30, 31 are de-energized and the outputs of the pressure control valves are depressurized, so that no force is exerted on the pistons of the cylinders 7. This ensures stable straight running, even if there are small deflections of the bogie. If the outputs of the two threshold elements 30, 31 are de-energized, this also applies to the output of the OR gate 34. A switching element 35 then switches off the pump motor 22a after a predetermined time delay via a switch 36. The pump 22 thus only works when cornering.
- FIG. 2 An alternative embodiment of the electro-hydraulic control device 20 is shown in Fig. 2.
- the control voltage U controls two electronically controlled proportional pressure relief valves 112, 113 from the Mannesmann Rexroth company, type DBETE St / 200 624.
- the valves 112, 113 only respond to positive values of U, whereby the hydraulic line 140 or 141 to be pressurized is selected in connection with the inverter 111.
- the valves 112, 113 also have a setting for specifying a threshold value U o for the voltage U, below which no pressure is exerted on the pistons.
- the adhesion limit F G between rail and wheels indicates the maximum size of the radial adjustment force due to the self-steering effect.
- the intersection of F x and F G determines the maximum axle bearing displacement S m in a conventional axle control, which can be achieved during an arc travel against the restoring force.
- the ideal axle bearing displacement, in which the steering deflection of the wheel set is optimally adapted to the radius of the track curve, can, however, be at a larger value S i .
- the track radius S m is far below S i with a small radius, so that a large run-up angle between wheel and rail results in unfavorable wear behavior.
- Fig. 3b shows the situation with additionally used force-controlled actuators.
- the counterforce against the restoring force can be represented as a downward shift of the straight line F x by a value F y .
- F y corresponds to the force applied to the cylinders 7 (see Fig. 1).
- the size of F y is chosen so that the shifted straight line F x 'intersects the x-axis approximately at S i .
- F y does not have to be set very precisely, but can lie in a relatively large range, which is given by the fact that the intersection of F x 'with the x-axis lies within the free adjustment range FE between S i -S m and S i + S m lies within which the wheelset can adjust itself automatically to the optimal steering deflection S i .
- FIG. 4 Another possible embodiment of the force-controlled actuators is shown in Fig. 4 shown.
- Two wheel sets are not required to use force-controlled actuators be stored together on a bogie.
- Fig. 5 is also at individually, for example in a bogie, mounted wheel sets 1 the attachment of force-controlled actuators 7 possible, which have a counterforce against the restoring force of exercise resilient elements 6.
- the device for recording the radius of the track curve in this case cannot take advantage of the deflection angle of a bogie, but has to work in a different way. For example, the angle between Use two car bodies to record the radius of the track curve.
- auxiliary wheels or optical devices conceivable and possible for this purpose.
- This alternative devices for the detection of the curve radius can of course also with wheelsets mounted on a bogie can be used. It is also conceivable and possible, even for individually stored wheels facilities for exercising Restoring force and a counterforce against the restoring force in an analogous manner as in To attach wheel sets.
- a single-axis drive according to the invention with one individually in a chassis frame 50 guided wheel set 51 is shown in Figs. 6-8.
- the wheelset 51 can thereby a motor 52 can be driven via a gear 53 and a clutch 54.
- the wheels 59, 59 'of the wheelset 51 are rigidly connected to one another via a wheelset shaft 65.
- the wheelset 51 is supported in the axle bearings 55 (see Fig. 8), which have a Primary suspension 56 are connected to the chassis frame 50.
- the chassis frame 50 is with a secondary suspension, which is formed by air springs 57 Car body 60 connected.
- the chassis frame 50 is articulated with a Guide cross member or a yoke 58 connected.
- a force-controlled actuator 7 is provided against the counterforce.
- Force feedforward has already been carried out with reference to FIG. 3 become, d. H. the characteristic curve of the spring-elastic element 6 is shifted during an arc travel, whereby an optimized driving behavior of the chassis is achieved.
- the resilient element 6 is advantageously formed by a centering spring element, shown in Fig. 9.
- This has a housing 80 with stops 80a fixed to the housing, against which stop rings 83 rest in the idle state. Between the stop rings 83 a spring 81 is placed under prestress.
- the rod 84 passing through the housing 80 has two flanges 85 within the housing 80 at a distance from the stops 80a of the housing 80, between which the stop rings 83 lie.
- the behavior of the centering spring element in the event of a force exerted on the rod 84 is described by the characteristic curve shown in FIG. 10. With a force that is below a certain threshold value F s , there is no displacement of the rod 84, since the spring 81 is under a prestress.
- the chassis frame can be centered with only a single spring element 6 and the characteristic curve of the centering spring element shown in FIG. 10 leads to an improvement in the stability of the drive according to the invention when driving straight ahead.
- this actual value could subsequently be compared to that in Dependent on the radius of the track curve, the desired value of the radial setting of the Wheelset 51 are compared and in the event of a deviation that of the power-controlled Actuating counterforce exerted until the setpoint is reached.
- This control mechanism has no rocking movements of the undercarriage a conveniently large compared to the sinusoidal frequency of the wheelset Time constant.
- a sensor 67 could also detect a malfunction, can be used for example in the hydraulic system.
- the single-axle drive shown in Fig. 6 - 8 is extremely comfortable to drive, because it perfectly fulfills the diverse requirements for a drive. Even if the Hydraulics is guaranteed safety due to the self-centering of the wheelset 51 by means of the spring element 6. An advantage over conventional Bogie bogies is the possible saving on axles, resulting in a Cost reduction leads.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Regulating Braking Force (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Description
Einerseits sind sehr hohe Einstellgenauigkeiten bei der mechanischen Kopplung erforderlich, die im Betrieb nur mit hohem Aufwand erreicht werden können, andererseits können Drehgestellausdrehungen in einer Geraden aufgrund von Gleislagestörungen unerwünschte Radsatzauslenkungen und instabilen Lauf (Zickzacklauf) bewirken.
Claims (7)
- Einzelachsfahrwerk für ein Schienenfahrzeug, bei dem ein einzelner Radsatz (51), dessen Räder (59, 59') über eine Radsatzwelle starr verbunden sind, in einem Fahrwerkrahmen (50) geführt ist, wobei eine federelastische Vorrichtung (6) zur Erzeugung einer Rückstellkraft gegen den bei der Fahrt über einen Gleisbogen auftretenden Lenkausschlag des Fahrwerkrahmens (50) vorgesehen ist, mit einem Joch (58), welches einerseits mit dem Wagenkasten gelenkig verbunden ist und gegenüber dem Wagenkasten in vertikaler Richtung und in Querrichtung verschiebbar ist und mit welchem andererseits der Fahrwerkrahmen (50) vertikal lenkbar verbunden ist, dadurch gekennzeichnet, daß Lenker (61, 61') vorgesehen sind, welche am Joch (58) und am Fahrwerkrahmen (50) um vertikale Achsen drehbar gelagert sind und deren gedachte verlängerte Längsachsen (91, 91') sich in Draufsicht gesehen im Bereich der Längsachse (92) des Radsatzes (51) im Bereich von dessen Mittellinie (93) schneiden. (Fig. 6)
- Einzelachsfahrwerk nach Anspruch 1, dadurch gekennzeichnet, daß das Joch (58) über Längslenker (62, 62') zur Aufnahme der auftretenden Längskräfte gelenkig mit dem Wagenkasten (60) verbunden ist.
- Einzelachsfahrwerk nach Anspruch 2, dadurch gekennzeichnet, daß die Längslenker (62, 62') mittels Kugelgelenken im Joch (58) und im Wagenkasten (60) gelagert sind.
- Einzelachsfahrwerk nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Bewegung des Fahrwerkrahmens (50) in Querrichtung durch Queranschlagspuffer (68, 68'), die an wagenfesten Führungskonsolen (63, 63') angeordnet sind, begrenzt wird.
- Einzelachsfahrwerk nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß ein kraftgeregeltes Stellglied (7) zur Erzeugung einer gegen die Rückstellkraft wirkenden Gegenkraft und eine die Kraftgröße am kraftgeregelten Stellglied (7) einstellende Steuer- bzw. Regeleinrichtung vorgesehen sind, wobei die am Stellglied (7) eingestellte Kraftgröße vom Radius des Gleisbogens abhängig ist.
- Einzelachsfahrwerk nach einem Anspruch 5, dadurch gekennzeichnet, daß die federelastische Vorrichtung (6) zur Erzeugung der Rückstellkraft und das kraftgeregelte Stellglied (7) zur Erzeugung der Gegenkraft einerseits am Fahrwerkrahmen (50) andererseits am Joch (58) angreifen.
- Einzelachsfahrwerk nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß ein Sensor (67) zur Erfassung des Ist-Wertes des Lenkausschlages und ein Regelkreis zur Nachregelung der Kraftgröße am kraftgeregelten Stellglied (7) bei einer Abweichung des Soll-Wertes des Lenkausschlages vom Ist-Wert vorgesehen sind.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT2402/93 | 1993-11-26 | ||
| AT0240293A AT407140B (de) | 1993-11-26 | 1993-11-26 | Einrichtung zur steuerung eines rades, insbesondere eines radsatzes eines schienenfahrzeuges |
| EP94118409A EP0655378B1 (de) | 1993-11-26 | 1994-11-23 | Einrichtung und Verfahren von Radsätzen von Schienenfahrzeugen |
Related Parent Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP94118409.5 Division | 1994-11-23 | ||
| EP94118409A Division EP0655378B1 (de) | 1993-11-26 | 1994-11-23 | Einrichtung und Verfahren von Radsätzen von Schienenfahrzeugen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0765791A1 EP0765791A1 (de) | 1997-04-02 |
| EP0765791B1 true EP0765791B1 (de) | 1999-01-27 |
Family
ID=3533696
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP94118409A Expired - Lifetime EP0655378B1 (de) | 1993-11-26 | 1994-11-23 | Einrichtung und Verfahren von Radsätzen von Schienenfahrzeugen |
| EP96119274A Expired - Lifetime EP0765791B1 (de) | 1993-11-26 | 1994-11-23 | Einzelachsfahrwerk für ein Schienenfahrzeug |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP94118409A Expired - Lifetime EP0655378B1 (de) | 1993-11-26 | 1994-11-23 | Einrichtung und Verfahren von Radsätzen von Schienenfahrzeugen |
Country Status (4)
| Country | Link |
|---|---|
| EP (2) | EP0655378B1 (de) |
| AT (3) | AT407140B (de) |
| DE (2) | DE59407754D1 (de) |
| ES (1) | ES2144479T3 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007006528A1 (de) | 2005-07-13 | 2007-01-18 | Evoinvent Ag | Laufwerk für schienenfahrzeuge |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2127060B1 (es) * | 1995-06-28 | 1999-12-01 | Const Y Aux Ferrocarriles Sa | Sistema de oreintacion de ejes para vehiculo ferroviario. |
| US5918546A (en) * | 1995-11-20 | 1999-07-06 | Transportation Investors Service Corporation | Linear steering truck |
| US5666885A (en) * | 1995-11-20 | 1997-09-16 | Transportation Investors Service Corporation | Linear steering truck |
| ES2146497B1 (es) * | 1996-03-18 | 2001-02-16 | Alstom Transp E S A | Sistema de autoguiado para bogies de vehiculos ferroviarios. |
| DE19617003C2 (de) * | 1996-04-27 | 2002-08-01 | Bombardier Transp Gmbh | Schienenfahrzeug mit einem einachsigen Laufwerk |
| DE19715148A1 (de) * | 1997-04-11 | 1998-10-15 | Deutsche Waggonbau Ag | Verfahren und Einrichtung zur Radsatzführung von Schienenfahrzeugen |
| AT406470B (de) | 1998-07-01 | 2000-05-25 | Integral Verkehrstechnik Ag | Schienenfahrzeug |
| DE19826446C2 (de) * | 1998-06-13 | 2000-06-08 | Daimler Chrysler Ag | Fahrwerk für ein Schienenfahrzeug |
| DE19826448C2 (de) * | 1998-06-13 | 2001-07-26 | Daimler Chrysler Ag | Fahrwerk für ein Schienenfahrzeug |
| ATE276909T1 (de) * | 1999-08-31 | 2004-10-15 | Construcciones Y Aux De Ferroc | Vorrichtung zur steuerung der achsen eines schienenfahrzeuges |
| FR2798895B1 (fr) * | 1999-09-24 | 2001-12-14 | Cfd Ind | Bogie de motrice pour voie ferree |
| ATE284336T1 (de) * | 2000-01-14 | 2004-12-15 | Siemens Ag | Schienenfahrzeugdrehgestell mit aktiver lenkvorrichtung |
| DE10047432A1 (de) * | 2000-09-26 | 2002-04-11 | Alstom Lhb Gmbh | Verfahren und Vorrichtung zur Stabilisiegung des Wellenlaufes von Eisenbahnradsätzen |
| ES2316220B1 (es) * | 2006-02-24 | 2010-01-12 | Patentes Talgo, S.L. | Metodo para optimizar el guiado de vehiculos ferroviarios. |
| WO2008101287A1 (en) | 2007-02-22 | 2008-08-28 | Central Queensland University | Steering railway bogie |
| AT505488A2 (de) * | 2007-06-19 | 2009-01-15 | Siemens Transportation Systems | Verfahren zur minimierung von laufflächenschäden und profilverschleiss von rädern eines schienenfahrzeugs |
| KR101084157B1 (ko) * | 2009-12-24 | 2011-11-16 | 한국철도기술연구원 | 철도차량용 능동 조향 제어 장치 및 방법 |
| DK3012170T3 (da) | 2014-10-17 | 2020-08-10 | Windhoff Bahn- Und Anlagentechnik Gmbh | Skinnekøretøj med bogie |
| AT518698B1 (de) * | 2016-04-28 | 2021-06-15 | Siemens Mobility Austria Gmbh | Kraftgeregelte Spurführung für ein Schienenfahrzeug |
| GB2579190A (en) * | 2018-11-22 | 2020-06-17 | Bombardier Transp Gmbh | Running gear with a single pair of independent left and right wheels and lateral stop means, and associated low floor rail vehicle |
| CN110155113B (zh) * | 2019-05-29 | 2024-03-08 | 中国铁建重工集团股份有限公司 | 单轨走行装置和单轨车辆 |
| DE102019129457A1 (de) * | 2019-10-31 | 2021-05-06 | Liebherr-Transportation Systems Gmbh & Co Kg | Hydromechanisches Radsatzsteuerungssystem für ein Schienenfahrzeug |
| DE102020123592A1 (de) * | 2020-09-10 | 2022-03-10 | Liebherr-Transportation Systems Gmbh & Co Kg | Aktive Radsatzsteuerung für ein Schienenfahrzeug |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE882562C (de) * | 1951-12-15 | 1953-07-09 | Maschf Augsburg Nuernberg Ag | Lenkeinrichtung fuer Lenkgestelle, insbesondere bei Leichtbauschienenfahrzeugen |
| DE1215192B (de) * | 1959-11-11 | 1966-04-28 | Maschf Augsburg Nuernberg Ag | Einrichtung zur kurvengerechten Steuerung von Schienenfahrzeugen |
| FR1273155A (fr) * | 1959-11-11 | 1961-10-06 | Maschf Augsburg Nuernberg Ag | Dispositif pour inscrire dans les courbes les bogies à un ou plusieurs essieux des véhicules ferroviaires |
| FR2530567A1 (fr) * | 1982-07-26 | 1984-01-27 | Anf Ind | Bogie a essieux orientables pour vehicules ferroviaires |
| DE3331559A1 (de) * | 1983-09-01 | 1985-03-28 | Thyssen Industrie Ag, 4300 Essen | Achssteuerung fuer schienenfahrzeuge |
| DE3635804C2 (de) * | 1986-10-17 | 1994-08-04 | Peter Dipl Ing Thevis | Lenksteuerung für die Räder eines Schienenfahrzeuges |
| DE3707898A1 (de) * | 1987-03-12 | 1988-09-22 | Waggon Union Gmbh | Einachsfahrwerk mit losraedern fuer schienenfahrzeuge |
| IT8822582A0 (it) * | 1988-11-10 | 1988-11-10 | Socimi | Carrello ferroviario sterzante. |
| DE3904203C2 (de) * | 1989-02-13 | 1998-04-02 | Abb Henschel Lokomotiven | Laufwerk für Schienenfahrzeuge |
| DE4240098A1 (de) * | 1992-11-28 | 1994-06-01 | Krupp Verkehrstechnik Gmbh | Fahrwerk für Schienenfahrzeuge |
| DE9305427U1 (de) * | 1993-03-18 | 1993-06-24 | AEG Schienenfahrzeuge GmbH, O-1422 Hennigsdorf | Einachsfahrwerk für Schienenfahrzeuge |
-
1993
- 1993-11-26 AT AT0240293A patent/AT407140B/de not_active IP Right Cessation
-
1994
- 1994-11-23 DE DE59407754T patent/DE59407754D1/de not_active Expired - Lifetime
- 1994-11-23 AT AT94118409T patent/ATE189883T1/de not_active IP Right Cessation
- 1994-11-23 EP EP94118409A patent/EP0655378B1/de not_active Expired - Lifetime
- 1994-11-23 ES ES94118409T patent/ES2144479T3/es not_active Expired - Lifetime
- 1994-11-23 DE DE59409154T patent/DE59409154D1/de not_active Expired - Lifetime
- 1994-11-23 EP EP96119274A patent/EP0765791B1/de not_active Expired - Lifetime
- 1994-11-23 AT AT96119274T patent/ATE176204T1/de not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007006528A1 (de) | 2005-07-13 | 2007-01-18 | Evoinvent Ag | Laufwerk für schienenfahrzeuge |
Also Published As
| Publication number | Publication date |
|---|---|
| ATA240293A (de) | 2000-05-15 |
| EP0655378B1 (de) | 2000-02-23 |
| ATE189883T1 (de) | 2000-03-15 |
| AT407140B (de) | 2000-12-27 |
| EP0765791A1 (de) | 1997-04-02 |
| ES2144479T3 (es) | 2000-06-16 |
| EP0655378A1 (de) | 1995-05-31 |
| DE59409154D1 (de) | 2000-03-30 |
| ATE176204T1 (de) | 1999-02-15 |
| DE59407754D1 (de) | 1999-03-11 |
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