EP0877694A1 - Method of influencing the inflection angle of railway vehicle wagons, and railway vehicle for carrying out this method - Google Patents
Method of influencing the inflection angle of railway vehicle wagons, and railway vehicle for carrying out this methodInfo
- Publication number
- EP0877694A1 EP0877694A1 EP97951163A EP97951163A EP0877694A1 EP 0877694 A1 EP0877694 A1 EP 0877694A1 EP 97951163 A EP97951163 A EP 97951163A EP 97951163 A EP97951163 A EP 97951163A EP 0877694 A1 EP0877694 A1 EP 0877694A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bogie
- track
- angle
- actual value
- determined
- 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
Links
- 238000000034 method Methods 0.000 title claims description 26
- 230000003068 static effect Effects 0.000 claims abstract description 18
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 230000008859 change Effects 0.000 claims description 8
- 230000001133 acceleration Effects 0.000 claims description 3
- 238000013016 damping Methods 0.000 description 14
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 101100492584 Caenorhabditis elegans ast-1 gene Proteins 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D3/00—Wagons or vans
- B61D3/10—Articulated vehicles
-
- 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
-
- 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
- B61F5/44—Adjustment controlled by movements of vehicle body
Definitions
- the invention relates to a method for influencing the articulation angle between the longitudinal axes of adjacent car bodies of a multi-unit rail vehicle traveling on a track according to claim 1 and a rail vehicle for carrying out this method.
- the procedure is such that the rotation of the longitudinal axis of a car body relative to the associated bogie is measured and, depending on this, via a control unit an actuator arrangement in the form of hydraulically actuated power cylinders is controlled.
- This actuator arrangement acts electrically on the control unit and mechanically between the ends of adjacent car bodies which are connected to one another via a single articulated joint.
- the actuator arrangement is controlled in such a way that the biaxial bogie without bogies, on which the car bodies are supported via elastic secondary fields, is perfect be freed from the function of the power donor and the wear of the flanges and rails is significantly reduced.
- the actuator arrangement blocks the articulated joint when driving straight ahead in a position above the middle of the track line and forces the articulated joint to buckle to the outside of the track line when the vehicle is traveling through an arc. This positive-controlled deflection is aimed at an improved use of the clearance when the rail vehicle is cornering.
- the invention has for its object to provide a generic method and rail vehicle, through which control of the car bodies is possible in such a way that they are in a dynamic travel to each other in a position that corresponds to the static position in the corresponding track section.
- Measured value recording and storage takes place at least over a distance that lies between the first and the last bogie of the multi-unit articulated rail vehicle.
- the track section thus depicted not only is the location determined at which the first bogie is located, but also the location (s) at which the one or more subsequent bogies are located. Since the course of the track section there is also included in the memory row for these other locations, the current actual position of the bogies is thus known for all current contact points of the bogies after they have been guided in the relevant track section.
- the target position of the car bodies is to be determined, as is the case in the static state when the rail vehicle is at this point. In this static target position, the clearance is minimized.
- the energy stored in the secondary springs by twisting and shifting the car body relative to the bogie is lowest.
- the target position of the car bodies relative to one another can thus be determined on the basis of the lowest energy stored in the secondary spring elements and can be output as corresponding target value signals as the target angle for the position of the articulated joint and the bogies relative to the car bodies.
- the setpoint position or the associated setpoint signals are then compared with the actual position or the actual value signals for the articulation angle and the angle of rotation and are dependent thereon Comparison controlled an actuator arrangement that counteracts a target-actual value deviation.
- the actual values of the kink and twist angles are therefore first evaluated to determine the course of the track, from which the static target position of the car bodies with respect to the current track section is determined, compared with the actual values previously recorded and a control signal for the actuator arrangement for correcting the target Actual value deviation generated.
- a force component can be exerted on the car bodies in the area of the articulated joint or between the car body and the associated bogie in the case of an actual value lagging the setpoint value, which accelerate the car bodies towards the setpoint position and counteract the opposite if the actual value overshoots the setpoint value Exercise strength.
- controllable dampers are used, they counteract a further, rectified change in the actual position when the actual position changes away from the target position. The damper elements are therefore only effective as long as the actual value moves away from the setpoint reached. Changes to the actual value that run towards the setpoint, however, are not dampened.
- the control system according to the invention is particularly advantageous if the car bodies can get to one another and derail due to failure of the brakes, failure of the drive on a leading bogie or malfunctions, or even by pushing into a non-operational, possibly dangerous V or Z position .
- the difference between the routes on the inside of the arch and on the outside the rail wheel of the first bogie and the arc radius of the track in the area of the first bogie in the direction of travel are determined.
- the values determined are in turn stored as a series of measurements, at least for the current plug section lying between the first and last bogie, in particular as coordinate-related measured values, so that the respectively stored series of data or measured values depicts the current route, on each of which to determine the target position of the car bodies is used.
- the difference in the travel distances can be determined from the different number of revolutions of the inside and outside of the rail wheel or by optical or on radar or. Ultrasonic-based distance encoders can be determined.
- the lateral acceleration, the inclination and the driving speed of the first car body can also be evaluated to determine the course of the track route, and the radius values for differential route sections can be stored in succession as a map of the track route currently being traveled.
- an actual value signal depending on the angular position is generated for the kink angle resulting from the actual position of the car bodies and for the angle of rotation between the car body and the bogie.
- Corresponding separate electrical setpoint signals are generated for the setpoint values of the articulation angle and the twist angle resulting from the mapping of the current track section.
- These actual value and setpoint signals are preferably compared electrically or digitally and a control signal is derived therefrom which controls the actuator arrangement in such a way that the approximation of the respective actual value signal to the associated setpoint signal is supported or an overshoot or undershoot is counteracted.
- the actuator arrangement can have actuator elements which are arranged at least in the region of the articulated joint, between the two adjacent car bodies and / or also between the bogie and the associated car body. Preferably, both the articulated joint and the respective bogie are assigned actuator elements in a symmetrical assignment.
- the multi-unit rail vehicle is made up of two wagons connected via an articulated joint, in which the two pairs of wagons are connected via a handlebar that is articulated at both ends between the second and third wagons, then the course of the route over the entire length of the rail vehicle is also expediently stored and the target position determination carried out separately for each car pair, the basis for this determination being the minimum of the energy stored in the secondary spring elements of the respective car pair.
- FIG. 1 a rail vehicle formed from three carriages with assigned control elements on a curved track route
- FIG. 2 shows a schematic diagram of the arrangement according to FIG. 1 with reference to a right-angled coordinate system
- FIG. 3 each have an idealized, serving as setpoint value and a dynamic, corresponding to the actual value, curve of the articulation angle between the first and second car or the angle of rotation between the first car body in the direction of travel and the associated bogie when driving through a curve in the course of a track.
- Support secondary spring elements 5 which in turn are arranged on a line lying transversely to the longitudinal axis of the respective car body and which, in addition to their vertical spring property, additionally have a rotation about a vertical axis and a
- the respective car body 1, 2, 3 can thus rotate to a limited extent in a plane parallel to the associated bogie 4 and move laterally.
- a displacement of the bogie 4 in the longitudinal direction of the car body is prevented by at least one longitudinally pivotable link pivoted on the bogie 4 as on the car body 1, 2, 3, which transmits the traction forces occurring in the longitudinal direction of the car body between the bogie 4 and the car body 1, 2, 3 .
- the secondary springs 5 thus allow the longitudinal axis of the bogie to be rotated relative to the longitudinal axis of the associated car body by the angle a, which are generally of different sizes on the individual cars.
- an angle of rotation sensor 6 is provided, which is coupled on the one hand to the associated car body 1, 2, 3 and on the other hand to the associated bogie 4.
- the Depending on the respective angle of rotation, rotation angle sensors 6 generate actual rotation angle signals VI, V2, V3, which are fed as input signals to a control unit 7.
- the car bodies 1, 2 and 2, 3 are each articulated via an articulated joint 8 with an associated articulated angle sensor 9, the articulated joint 8 being the only joint between adjacent car bodies.
- the articulation angle transmitter 9 Based on the articulation angle at which the longitudinal axes of the associated car bodies are relative to one another, the articulation angle transmitter 9 generates an actual articulation angle signal K 1 or K 2, which are likewise supplied to the control unit 7 as input signals.
- an actuator arrangement is provided with controllable actuator elements 10 which are arranged symmetrically to the respective articulated joint 8 between the mutually facing ends of the adjacent car bodies and with which a force component can be generated between the adjacent car bodies. Further corresponding actuator elements 11 are in a symmetrical arrangement on the one hand with the respective bogie 4 and on the other hand with the associated car body 1, 2 or 3 in operative connection.
- Each actuator element 10 is equipped with an actuator control input AST, which are connected to corresponding actuator control outputs AST 1 to AST 4 of the control unit 7.
- the actuator elements 11 also have control inputs S, which in turn are connected to corresponding control outputs SI to S6 of the control unit 7.
- the control inputs for the actuators 11 of a bogie 4 can be connected in parallel in order to prevent asymmetrical rotation of the bogie under the action of these actuators 11.
- the wheels 12 of the two wheel sets of each bogie 4 run in a track in a track 13, so that
- Secondary springs 5 store the resulting energy.
- the static state i.e. when the rail vehicle is stationary, the sum of these individual energies assumes a minimum value.
- this energy is increased due to additional dynamic forces.
- the light space occupied by the entire rail vehicle is a minimum in static operation and reaches values in driving operation which can exceed the light space corresponding to static operation.
- the control system operates in such a way that the car bodies 1, 2, 3 in dynamic driving operation depend on the track section currently being used in one per se the position corresponding to the static state can be controlled with the aid of the actuators 10 and 11 if necessary.
- the course of the track is used for this
- the desired position of the car bodies relative to one another is determined, which, as explained above, they would assume in the static state, that is to say in the stationary operation relative to the track route, taking into account the contact points of the bogies with respect to one another.
- the deviation is counteracted, depending on the comparison result, at least when the actual value deviates from the target value.
- the actuators serving for mechanical control are controllable dampers which brake the mobility in the area of the articulated joint and / or between the respective bogie and car body. Hydraulic dampers are used in particular, the damping characteristics of which depend on the adjustment speed. If power-emitting actuators are used, such as hydraulic cylinders or electric motor-driven spindle drives, then controlled force components can be introduced between the car bodies or between the bogie and the associated car body, which actively guide the articulation angle and / or the torsion angle to the setpoint and if the actual value overshoots over the Counter the given setpoint by changing the direction of force.
- the course of the at least currently used track section can be determined in different ways. So it is possible in a constant cycle, i.e. in several steps
- a differential section of the track is a short section of the route compared to the section between the first and the last bogie.
- coordinate-related measured values are determined at the same time, and these measured values are continuously stored at least for the section of the track lying between the first and last bogie as an image of the corresponding section of track. The values for sections of the track that lie behind the last bogie in the direction of travel can be deleted if the track is not to be used for further journeys without its own route determination.
- the course of the track route can also be determined from the difference between the routes on the inside track and the outside track, from which the arc radius of the track route in the area of the first bogie in the direction of travel is determined and the coordinate-related results obtained for the corresponding differential route sections Measured values again as digital Illustration of the route section traveled in a measured value series.
- the difference in travel distances can be measured by measuring the number of revolutions on the inside or outside idler gear of the first bogie or by ultrasound
- the course of the track section can also be determined from the lateral acceleration, the inclination of the car body and the driving speed by determining the arc radius of the track section from these values and again storing the coordinate-related measured values for the corresponding differential section sections as the course section in a multi-cell memory.
- the condition is assumed that the secondary springs 5 of the car bodies connected to one another by articulated joints 8 have an overall energy minimum with regard to their static position corresponding to the target position Have torsion about a vertical axis and a transverse displacement. Accordingly, it is preferably determined in a digital calculation according to an appropriate algorithm for the current course of the track line, at what angles adjacent car bodies to one another or their bogies to the car body must have in the desired position. Setpoint signals associated with the setpoint position for the articulation angle between the longitudinal axes of the adjacent car bodies are thus determined.
- the associated target value signals for the angle of rotation between the bogie and the associated car body are generated by digital data processing.
- the actual position of the car bodies results from the articulation angle and the twist angle (s) as actually measured by the articulation angle sensor 9 or the twist angle sensor 6 and output as and in particular as electrical actual value signals K and V and sent to the
- Control unit 7 are passed for further processing.
- the actual value signals are compared with the setpoint signals and, depending on this, the actuators 10 and optionally 11 are controlled.
- the actuators 10, 11 can be controlled in such a way that, in the case of actual value signals that lag the setpoint value, the buckling or. Twisting forces between the associated car bodies or bogie and car body are supported so that the actual value signals approach the setpoint signals or that they are controlled in the opposite direction when the actual values overshoot the setpoint. If, on the other hand, the actuators are only designed as damping elements, active support of the rotary movements to bring the actual values closer to the target values is not possible, but if the actual value has reached the target value and then runs away from the target value, the corresponding ones will be damped
- the actuator arrangement 10, 11 preferably has two actuator elements arranged symmetrically to the respective articulated joint 9 and / or to the bogies 4. While the actuators 11 on the bogie 4 each have to work in the same direction in order to achieve a symmetrical rotation with respect to the associated car body and therefore per bogie 4 to one common output S1 / S2, S3 / S4, S5 / S6 of the control unit 7 can be connected, the actuator elements 10 in the area of the respective articulated joint 9 must be controlled in opposite directions due to their arrangement in a horizontal plane next to the articulated joint 9. Thus, when one actuator element 10 is stretched, the other must either be ineffective or
- FIG. 3 shows the "static" setpoint angle value in comparison to the associated “dynamic” actual angle value and, at the same time, the "static" setpoint angle value in comparison with the “dynamic” actual angle value on the first bogie in the direction of travel for a track section represented by a straight line leads to an arc with a constant arc radius.
- the setpoint and actual value signals are freed from disturbing vibrations occurring during operation, over the length of a track section plotted as the abscissa, kink angle values are plotted on the left ordinate and twist angle values are plotted on the right ordinate.
- the O points are not the same height.
- the setpoint of the articulation angle increases almost linearly to a maximum value until the two associated car bodies or their bogies run in the curved section. Without changing the radius, the kink angle then remains constant at the maximum value.
- the course of the setpoint angle corresponds to the course of the point
- the setpoint rotation angle is also shown in the diagram in the same way entered, which initially falls in the opposite direction of change from the value zero, and then increases again to the value zero when the second bogie has also entered the track curve.
- the car bodies are then at least largely tangential to the rail arch.
- the course of the kink angle setpoint line is based on the course of the track section currently being traveled on
- the actual kink angle value which occurs when the relevant track section is traversed without being influenced by actuators, naturally also begins at zero when entering a straight line into a track curve and increases due to the inertia compared to the setpoint with a time delay. The inertia then prevents one
- Termination of the kink angle actual value increase in the case of target-actual value equality and thus leads to an overshoot of the actual value beyond the target value, as is basically represented by the line that exceeds the target value upwards.
- the use of actuators with damping characteristics only counteracts the overshoot of the articulation angle when the Actual value exceeds the setpoint. Possibly. can use the damping effect even if the actual value is just before the setpoint.
- the setpoint is shown by the upward-facing black field in the overshooting arc, whereby the damping is only maintained as long as the actual value moves away from the setpoint.
- Arc largely and ideally reduced to zero.
- the falling branch of the overhanging arch is not dampened so as not to delay the approach to the setpoint. If the setpoint undershoots, as determined by the
- the kink angle reduction is also damped from reaching the setpoint in order to reduce this undershoot to a minimum.
- the arc section that subsequently leads to the nominal value is again not dampened. In this case, deviations between the setpoint and actual values are damped only when the given limit values are exceeded, so that small, customary angular deviations are permitted.
- the articulated joint can be limited to harmless values, the actuator elements 11 are used, which act between bogie 4 and associated car body 1, 2 or 3. This can be done through active strength
- actuator elements 11 that is hydraulic cylinders or electric drives
- Vibration deflection beyond the setpoint can be counteracted. If only damping elements are used as actuators, the overshoot or undershoot of the setpoint can only be counteracted by appropriate control of the actuators. Here too, damping in accordance with the black field is only carried out as long as the actual value moves away from the same in positive and negative directions after the setpoint has been reached. Approaching movements of the
- the bogie opposite the body is not dampened. Here, too, it is possible to have the damping set in shortly before the setpoint is reached in order to minimize the overshoot.
- Corresponding control processes can also be carried out with the help of the actuators if the rail vehicle leaves the track arch and corresponding oscillation processes that occur in the opposite direction become effective during the transition to the straight section of the route.
- the car body position can thus be controlled with respect to one another in such a way that the car bodies are at least largely matched to static operation in dynamic operation , so that the rail vehicle as a whole is an ideal approximation to the actual course of the track Has clearance requirements and complies with them in particular if malfunctions in brake and / or drive elements or other influencing factors could lead to overrun operation with buckling of the coupling joints.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Vehicle Body Suspensions (AREA)
- Automatic Cycles, And Cycles In General (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19654862A DE19654862C2 (en) | 1996-12-04 | 1996-12-04 | Method for influencing the articulation angle of rail vehicle car bodies and rail vehicle for carrying out the method |
DE19654862 | 1996-12-04 | ||
PCT/EP1997/006249 WO1998024676A1 (en) | 1996-12-04 | 1997-11-11 | Method of influencing the inflection angle of railway vehicle wagons, and railway vehicle for carrying out this method |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0877694A1 true EP0877694A1 (en) | 1998-11-18 |
EP0877694B1 EP0877694B1 (en) | 2002-03-27 |
Family
ID=7816483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97951163A Expired - Lifetime EP0877694B1 (en) | 1996-12-04 | 1997-11-11 | Method of influencing the inflection angle of railway vehicle wagons, and railway vehicle for carrying out this method |
Country Status (10)
Country | Link |
---|---|
US (1) | US6161064A (en) |
EP (1) | EP0877694B1 (en) |
JP (1) | JP3367609B2 (en) |
AT (1) | ATE215032T1 (en) |
CA (1) | CA2245723C (en) |
CZ (1) | CZ294877B6 (en) |
DE (2) | DE19654862C2 (en) |
HU (1) | HU221288B1 (en) |
PL (1) | PL185180B1 (en) |
WO (1) | WO1998024676A1 (en) |
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DE19712752C2 (en) * | 1997-03-26 | 2003-03-27 | Bombardier Transp Gmbh | Rail vehicle with an articulated joint and method for controlling the bending angle |
DE19826452B4 (en) * | 1998-06-13 | 2004-03-25 | Bombardier Transportation Gmbh | Method for drive coordination of individual-wheeled, track-guided vehicles |
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DE19936564A1 (en) * | 1999-08-04 | 2001-02-08 | Liebherr Aerospace Gmbh | Track-guided vehicle, in particular rail vehicle for local traffic |
US6397130B1 (en) * | 2000-04-13 | 2002-05-28 | Ensco, Ltd. | Multi-sensor route detector for rail vehicle navigation |
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WO2005007480A1 (en) * | 2003-07-16 | 2005-01-27 | Yoshihiro Suda | Self-steering flatcar and railroad vehicle using having this self-steering flatcar applied thereto |
DE102004045529B3 (en) * | 2004-09-20 | 2006-02-16 | Siemens Ag | Bogie rail vehicle travel direction determination procedure for bogie rotation damper control measures rotation angles of both bogies relative to frame |
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CN101219669B (en) * | 2008-01-23 | 2010-06-02 | 西南交通大学 | Elastic coupling device for independent wheel-and-axle assembly single axle bogie |
DE102009041110A1 (en) * | 2009-09-15 | 2011-03-24 | Bombardier Transportation Gmbh | Actuator with multiple action |
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EP0374290B1 (en) * | 1988-12-21 | 1992-04-15 | Siemens Aktiengesellschaft | Railway vehicle |
DE4012699C2 (en) * | 1990-04-20 | 1994-03-31 | Rupert Urstoeger | Steering system for a multi-unit road vehicle train |
CH690032A5 (en) * | 1994-07-13 | 2000-03-31 | Vevey Technologies Sa | A method of setting the orientation of the steerable wheels in rolling devices of a rolling assembly rail and rolling assembly using this method. |
DE19526865C1 (en) * | 1995-07-22 | 1996-10-17 | Duewag Ag | Tram with several articulated bodies |
-
1996
- 1996-12-04 DE DE19654862A patent/DE19654862C2/en not_active Expired - Fee Related
-
1997
- 1997-11-11 CZ CZ19982280A patent/CZ294877B6/en not_active IP Right Cessation
- 1997-11-11 EP EP97951163A patent/EP0877694B1/en not_active Expired - Lifetime
- 1997-11-11 AT AT97951163T patent/ATE215032T1/en not_active IP Right Cessation
- 1997-11-11 WO PCT/EP1997/006249 patent/WO1998024676A1/en active IP Right Grant
- 1997-11-11 PL PL97327544A patent/PL185180B1/en not_active IP Right Cessation
- 1997-11-11 HU HU9903056A patent/HU221288B1/en not_active IP Right Cessation
- 1997-11-11 CA CA002245723A patent/CA2245723C/en not_active Expired - Fee Related
- 1997-11-11 JP JP52493998A patent/JP3367609B2/en not_active Expired - Fee Related
- 1997-11-11 DE DE59706762T patent/DE59706762D1/en not_active Expired - Lifetime
- 1997-11-11 US US09/117,638 patent/US6161064A/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9824676A1 * |
Also Published As
Publication number | Publication date |
---|---|
PL185180B1 (en) | 2003-03-31 |
US6161064A (en) | 2000-12-12 |
EP0877694B1 (en) | 2002-03-27 |
JPH11509808A (en) | 1999-08-31 |
WO1998024676A1 (en) | 1998-06-11 |
CA2245723C (en) | 2002-08-20 |
HUP9903056A3 (en) | 2001-09-28 |
CZ228098A3 (en) | 1998-12-16 |
DE19654862A1 (en) | 1998-06-10 |
DE19654862C2 (en) | 1999-11-04 |
PL327544A1 (en) | 1998-12-21 |
JP3367609B2 (en) | 2003-01-14 |
DE59706762D1 (en) | 2002-05-02 |
HUP9903056A2 (en) | 2000-01-28 |
CA2245723A1 (en) | 1998-06-11 |
HU221288B1 (en) | 2002-09-28 |
ATE215032T1 (en) | 2002-04-15 |
CZ294877B6 (en) | 2005-04-13 |
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