EP0763454B1 - Train de roulement pour un véhicule ferroviaire, notamment pour un véhicule ferroviaire à plancher bas - Google Patents

Train de roulement pour un véhicule ferroviaire, notamment pour un véhicule ferroviaire à plancher bas Download PDF

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Publication number
EP0763454B1
EP0763454B1 EP96114660A EP96114660A EP0763454B1 EP 0763454 B1 EP0763454 B1 EP 0763454B1 EP 96114660 A EP96114660 A EP 96114660A EP 96114660 A EP96114660 A EP 96114660A EP 0763454 B1 EP0763454 B1 EP 0763454B1
Authority
EP
European Patent Office
Prior art keywords
running gear
wheel
transverse
transverse axis
gear according
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
Application number
EP96114660A
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German (de)
English (en)
Other versions
EP0763454A3 (fr
EP0763454A2 (fr
Inventor
Leopold Lenk
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.)
Siemens AG Oesterreich
Original Assignee
Siemens SGP Verkehrstechnik 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 Siemens SGP Verkehrstechnik GmbH filed Critical Siemens SGP Verkehrstechnik GmbH
Publication of EP0763454A2 publication Critical patent/EP0763454A2/fr
Publication of EP0763454A3 publication Critical patent/EP0763454A3/fr
Application granted granted Critical
Publication of EP0763454B1 publication Critical patent/EP0763454B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B61F3/00—Types of bogies
    • B61F3/12—Types of bogies specially modified for carrying adjacent vehicle bodies of articulated trains
    • B61F3/125—Types of bogies specially modified for carrying adjacent vehicle bodies of articulated trains with more than one axle or wheel set
    • 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
    • B61F3/00—Types of bogies
    • B61F3/16—Types of bogies with a separate axle for each wheel
    • 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
    • B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
    • B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
    • B61F5/32—Guides, e.g. plates, for axle-boxes
    • B61F5/325—The guiding device including swinging arms or the like to ensure the parallelism of the axles

Definitions

  • the invention relates to a chassis for a rail vehicle according to the preamble of claim 1 (DE 4 136 926 A).
  • the adjacent ends of the successive carriages can protrude, opposite one another, forming the passage between the two carriages, Have floor slabs or the like, which are mutually preferably by saddling are connected.
  • the undercarriage can be a portal undercarriage, but the idler gears cannot driven or over each by a subsequent, preferably vertical motor a gear can be driven. With such trolleys, it is known to everyone One pair of wheels each in a construction designed as a balacier store and the car body, for example, on the portal construction on the balancer support.
  • the object of the present invention is to provide a chassis in which while achieving better running characteristics and lower axle load as well Rail load or higher vehicle weights make optimal use of space in the Chassis area is possible and also both the first mentioned mechanical control or the second-mentioned electrical clock-push-pull control can be applied.
  • Another goal is a rail vehicle, especially a low-floor rail vehicle, in which a chassis with better running characteristics and less Axle loading is provided in such a way that as much passenger space as possible is available is placed and between the individual wagons as close as possible to the ground level horizontal and as wide a passage as possible can be created.
  • the first aim is achieved according to the invention by the features of claim 1.
  • Every wheel is in the wheel guidance can be implemented in a simple manner.
  • the spring damping unit of the Primary spring level can be radial in the swing arm mounting in the plane of the wheel be provided outside the same, which in addition to the wheel space for others necessary units or components or for use as freight or passenger space remains free. So can advantageously between the wings of each other opposite sides of the vehicle, the floor can be lowered particularly far.
  • a particularly torsion-resistant and stable construction is given when the Swing to both sides of the wheel mounted in them extend to the transverse axis and each wheel is supported on both sides in its wheel carrier.
  • each rocker arm at its free end in preferably adjustable side guides is pivotally guided about the transverse axis.
  • the constant tracking of the wheels is also ensured in every position guaranteed.
  • the wings are consecutive wheels on one side of the chassis between these wheels by one in essential horizontal common transverse axis pivotable against each other connected.
  • the swing arm itself and / or the one receiving the swing arm Chassis frames form a kind of the transverse axis of the swing arms of the wheels supported balance beam, on both ends of which a car body or one At the end of the adjacent body, there is always a compensation for the Support forces on the frame and thus an even distribution of the support forces of the or each car body carried on all suspension or support parts of the Carriage, preferably the secondary suspension, can be achieved.
  • At least one spring damping system between the interconnected wings to influence each other Swiveling is provided. This will make the space between the wings exploited and the space outside can be used for other components or as a free passenger or cargo space can be used.
  • each rocker is substantially in Form of a two-armed elbow, the angular range Transverse axis is provided, the wheel bearing and at one end of a first arm between bearings at the end of a second arm, the at least one spring damping unit is provided to influence the mutual pivotability.
  • This Construction results in a small footprint for the chassis and allows that Advancing the usable wagon volume to just above the wheels. Moreover, can this makes the spring-damping unit of the primary suspension relatively small and compact being held.
  • the undercarriage is designed according to a of the previous paragraphs it is designed as a drive undercarriage and is at least one wheel, preferably each wheel, drivingly connected to a motor-gear unit. This is also one of the advantages already mentioned for power train chassis Chassis construction given.
  • the motor-transmission unit is on Chassis frame supported or suspended and with the wheel axis via a radial movable coupling connected. This construction results in an advantageous reduction the unsprung mass even with power units.
  • chassis frame from at least two each over the chassis length and two over the chassis width continuous straps.
  • a stable running of the wheels of the chassis, especially when cornering, is through to achieve an additional design of the chassis, in which on the inside of the Chassis frame, seen in the longitudinal direction at the height of the transverse axis, on each Chassis side is attacked by a longitudinal handlebar, both handlebars over one are connected to a car body connectable cross element, which cross element one on the opposite side of the chassis in the longitudinal direction extending longitudinal continuation that can be connected to another car body is.
  • This provides a so-called symmetrical control of the chassis, at which the wheels always in the bisector between the two connected car bodies are set.
  • a rail vehicle according to the invention consisting of at least two, preferably by means of one spherical joint connected wagons forming a train set is with the Effects and advantages already indicated, characterized in that at least one Chassis according to one of the preceding paragraphs in the connection area of two Wagons is provided.
  • Chassis frame at each end of the chassis one of the adjoining Wagons is supported.
  • the chassis frame acts as a kind of balance beam that is supported by the transverse axes.
  • the wheels, rails and suspension are less to achieve stressful run of the rail vehicle a chassis with the already above Symmetral control described provided and a car body with the Cross element connected to which the longitudinal link articulated are, and will be the adjoining car body at the opposite end of the chassis connected to the longitudinal continuation of the cross element.
  • Fig. 1 shows a plan view of the undercarriage in use at the connection point two wagons of a train and in the execution as an engine
  • Fig. 2 is one Side view at the level of line II-II on the chassis of Fig. 1
  • Fig. 3 shows a View of the chassis of Fig. 1 along the line III-III in the passage area between two wagons of a train
  • Fig. 4 is an enlarged view of the Area of the wheel bearing with a movably connected motor
  • Fig. 5 shows one Cross section at the level of the connection of the swing arms of the wheels on one side of the drive.
  • the chassis according to the invention is preferably at least in the connection area two car bodies of an articulated train consisting of at least two cars intended.
  • the vehicle has a driven unit at each end, for example a locomotive or a power car, and a number in between arranged, articulated wagon.
  • a driven unit at each end, for example a locomotive or a power car, and a number in between arranged, articulated wagon.
  • at least one not on the end carriage of the train set provided undercarriage be equipped with driven wheels.
  • the articulated Connection between the ends of successive carriages advantageously provides a spherical joint (see Fig. 2), which is in the central area or in the middle the passage in the vertical longitudinal median plane of the rail vehicle and advantageously located below the floor level of the car.
  • the spherical Joint can for example according to the patent EP 0 559 635 A or be designed as a spherical bearing according to another variant.
  • each Chassis of the articulated train in the connection area of two connecting ones Waggons is a loose wheel undercarriage according to the description below and the Drawings.
  • Each idler gear consists of a chassis frame made up of two each other main longitudinal members 1A, 1B and one each on both sides of the chassis front and rear cross members 2A, 2B, being to ensure a larger Torsional rigidity and stability still within the main side members 1A, 1B parallel longitudinal beams 3A, 3B can be provided. These side members 3A, 3B can advantageously still be braced with one another by cross connections 4 his.
  • At the ends of the main side members 1A, 1B are supports 5A, 5B for the Car body provided.
  • the wagons are in the formation of a articulated train with the chassis according to the invention Coupled together via a preferably spherical joint.
  • Control mechanism provided with the effect that the chassis is always in the Bisector between the longitudinal axes of the two wagons he carried lies.
  • This control mechanism is preferably according to the patent EP 0 585 211 A constructed and comprises two in substantially parallel trailing arms 6A, 6B, which have one end in the Longitudinal center of the chassis articulated on the longitudinal members 3A, 3B and at the other end a connecting cross member 7 are articulated.
  • This cross member 7 has one Connection device 8 to the car body above and also has one Longitudinal continuation 9, in the example shown by two spaced apart but essentially parallel elements are formed which are the same Distance from the longitudinal center of the chassis like the connecting device 8 but on the opposite side also a connecting device 10 to here above car body located on.
  • Receptacles 11 for guide pins projecting downwards from the car body be provided, preferably on the cross struts 4 of the inner side members 3A, 3B, in which the lateral guidance of the pins, for example, via progressive Rubber elements 12 is accomplished.
  • These wings 14 are preferably made of fork-like arms on both sides of the wheels 13 formed and about a substantially horizontal transverse axis 16 in a substantially vertical plane pivoted to the chassis frame 1, 2, 3.
  • the wheel axles are mounted in these and Swing 14 itself are in vertical guides 15 against lateral movements secured led.
  • each Undercarriage side around a common transverse axis 16A or 16B per undercarriage side pivotally connected.
  • the transverse axis as in the case the separate storage of each individual rocker 14 could be provided, preferably formed by a bolt 16A, 16B per chassis side.
  • all four wheels 13 are preferably included a unit of a motor 17 and a transmission 18 connected in terms of drive.
  • a vertical motor 17 with a gear arranged below it 18 is provided.
  • each rocker 14 can on the top Chassis frame 1, 2, 3 be supported resiliently.
  • Any type of spring element are used, for example at least one rubber block, one or several coil springs or elements with the same function that are subjected to pressure or tension, which are used as primary suspension. Combinations of these too Elements are possible.
  • the wings 14A and 14B are advantageously in shape of an approximately right-angled angle piece, wherein in an arm 141A or 141B the wheel axle 131 is mounted and the other arm 142 is substantially vertical stands up.
  • the two interconnected wings 14A and 14B are equally trained and mirror-inverted coupled.
  • the primary suspension in the form of a spring damping system, comprising a coil compression spring 19 and a damper 20 used.
  • the brake unit 21 On the Swing arm 14 is also still, preferably immediately adjacent to the one projecting upwards Arm 142A or 142B, the brake unit 21 attached so that the outer limit 22nd each car body to immediately next to each wheel 13 and, since over the arms 142A, 142B no more space is required for vertical spring movements until immediately are pulled over these arms 142, which results in a significant increase in the usable wagon volume results.
  • the car body 22 rests on a secondary suspension 23 on the supports 5 of the main side members 1.
  • a brake caliper can be provided, for example, from which brake shoes by appropriate control in the braking position on Bike can get.
  • a magnetic rail brake can be provided.
  • the Magnetic rail brake is preferably on the side of the wheel and in extension the same arranged in the direction of the rails, on which side the brake calliper located.
  • 16 can be placed on both below each transverse axis Chassis sides also provided a cross bracing 24 in the form of a short beam his.
  • the entire frame 1, 2, 3 advantageously runs below the transverse axes 16 and preferably also below the wheel axles 131, as is better shown in FIG. 3 is recognizable.
  • the chassis frame 1, 2, 3, 4 is very close above the rails and there due to the swing construction next to the wheels 13, a lot of space remains free Space outside the wheels 13 is used by installing the motor-gear unit 17, 18 be, whereby between the wheels 13 space for a passage 15 between adjacent wagons or for use as passenger or Transport space remains. Due to the low position of all frame parts, the floor 26 of the passage 25 are also placed very low between the wheels. Even at Installation of the symmetrical control 6, 7, 8, 9, 10, which is just above the frame is a level of the floor 26 of a maximum of 550 mm above the Top edge of the rail can be reached, for example the height of Austrian Corresponds to platforms and allows level-different boarding and alighting here.
  • the chassis frame 1, 2, 3, 4 can also be designed as a hood or can described undercarriage still be covered by a hood upwards and laterally.
  • Fig. 4 is the area of the axle bearing of the wheel 13 in an enlarged scale Swing arm 14 is shown, the advantageous drive connection of the Gear 18 with the wheel axis via a radial relative movements of gear 18 and Movable coupling 27 permitting the wheel axis can be seen.
  • This allows the motor-gear unit 17, 18 are preferably attached to the main side member 1 and is such a mass sprung by the primary spring stage.
  • FIG. 5 shows an advantageous embodiment of the transverse axes 16 shown. These axes formed by a bolt 16 are for adjusting the Track in the storage in the tabs 29, 30 of the chassis frame 1, 2, 3, 4 under Interposition of one clamping set 31 used per transverse axis 16.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Body Structure For Vehicles (AREA)
  • General Details Of Gearings (AREA)
  • Seats For Vehicles (AREA)
  • Vehicle Body Suspensions (AREA)

Claims (16)

  1. Bogie pour un véhicule ferroviaire, notamment pour un véhicule ferroviaire à plancher bas, comportant au moins deux paires, en vis-à-vis dans la direction transversale du bogie, de roues indépendantes se succédant dans la direction longitudinale du bogie, chaque roue (13) étant individuellement montée dans une bielle (14) oscillante pouvant pivoter autour d'un axe (16) transversal sensiblement horizontal, et les axes (16) transversaux des bielles (14) oscillantes étant montés dans un cadre (1, 2, 3, 4) commun de bogie comportant des supports (5) et, de préférence, au moins un étage (23) secondaire de suspension pour au moins une caisse (22) de voiture, caractérisé en ce que les bielles (14) oscillantes de roues (respectivement 13A et 13B ou 13C et 13D) qui se succèdent sur un côté du bogie sont reliées entre ces roues à pivotement l'une par rapport à l'autre autour d'un axe (respectivement 16A ou 16B) transversal commun sensiblement horizontal.
  2. Bogie suivant la revendication 1, caractérisé en ce que les bielles (14) oscillantes s'étendent jusqu'à l'axe (16) transversal de part et d'autre de la roue (13) qui y est montée, et chaque roue (13) est montée des deux côtés dans sa bielle (14) oscillante.
  3. Bogie suivant la revendication 1 ou 2, caractérisé en ce que chaque bielle (14) oscillante est, à son extrémité libre, guidée en pivotement autour de l'axe (16) transversal dans des guides (15) latéraux de préférence ajustables.
  4. Bogie suivant l'une des revendications précédentes, caractérisé en ce que chaque axe transversal est formé par un boulon (16) réglable axialement au moyen, de préférence, d'au moins un groupe (31) de serrage.
  5. Bogie suivant l'une des revendications précédentes, caractérisé en ce qu'au moins un système (19, 20) de suspension primaire est prévu entre les bielles (respectivement 14A et 14B ou 14C et 14D) oscillantes mutuellement reliées afin d'influer sur leur faculté de pivotement relatif.
  6. Bogie suivant l'une des revendications précédentes, caractérisé en ce que chaque bielle (14) oscillante est réalisée essentiellement sous la forme d'une pièce coudée à deux bras, l'axe (16) transversal étant prévu dans la région du coude, le montage de la roue étant prévu à une extrémité d'un premier bras (141), et la au moins une unité (19, 20) de suspension primaire pour influer sur la faculté de pivotement relatif étant prévue entre des paliers à l'extrémité d'un second bras (142).
  7. Bogie suivant l'une des revendications précédentes, caractérisé en ce que divers éléments accessoires, de préférence les unités (21) de frein, sont installés sur la bielle (14) oscillante, de préférence dans la région longitudinale entre l'axe de roue et l'axe (16) transversal.
  8. Bogie suivant l'une des revendications précédentes, caractérisé en ce qu'il est conçu comme bogie moteur, et au moins une roue (13), de préférence chaque roue, est reliée en entraínement à un ensemble (17, 18) de moteur et de transmission.
  9. Bogie suivant la revendication 8, caractérisé en ce que l'ensemble (17, 18) de moteur et de transmission est soutenu ou suspendu sur le cadre (1, 2, 3, 4) de bogie, et relié à l'axe de roue au moyen d'un accouplement (27) radialement mobile.
  10. Bogie suivant l'une des revendications précédentes, caractérisé en ce que le cadre de bogie est constitué d'au moins deux poutres (1A, 1B) continues sur la longueur du cadre et deux poutres (2A, 2B) traversantes sur la largeur du cadre.
  11. Bogie suivant l'une des revendications précédentes, caractérisé en ce que le support (5), de préférence l'ensemble du cadre (1, 2, 3, 4) de bogie, se trouve en dessous du niveau des axes (16) transversaux, de préférence en dessous du niveau des axes de roues, et est pourvu d'au moins une patte (29, 30), de préférence de deux pattes, par côté du bogie, ces pattes faisant saillie vers le haut et recevant les axes (16) transversaux des bielles (14) oscillantes.
  12. Bogie suivant l'une des revendications précédentes, caractérisé en ce qu'une bielle (6A, 6B) s'étendant en direction longitudinale agit, de chaque côté du bogie, sur le côté intérieur du cadre (1, 2, 3, 4) de bogie au niveau, en vue en direction longitudinale, de l'axe (16) transversal, et les deux bielles (6) sont reliées au moyen d'un élément (7) transversal pouvant être assemblé à une caisse (22) de voiture, l'élément (7) transversal comportant un prolongement (9) longitudinal, lequel s'étend sur le côté du bogie qui est opposé, en direction longitudinale, à l'élément (7) transversal, et lequel peut être assemblé à une autre caisse (22) de voiture.
  13. Véhicule ferroviaire constitué d'au moins deux wagons assemblés de préférence au moyen d'une articulation sphérique et formant une composition de train, caractérisé en ce qu'au moins un bogie suivant l'une des revendications 1 à 11 est prévu dans la région de liaison des deux wagons.
  14. Véhicule ferroviaire suivant la revendication 13, caractérisé en ce qu'un des wagons (22) se raccordant les uns aux autres est respectivement soutenu, à chaque extrémité du bogie, sur les supports (5) sur le cadre (1, 2, 3, 4) de bogie.
  15. Véhicule ferroviaire suivant la revendication 13 ou 14, caractérisé en ce qu'il est prévu un bogie suivant la revendication 12, et une caisse de voiture est reliée à l'élément (7) transversal auquel sont articulées les bielles (6) s'étendant en direction longitudinale, et en ce que la caisse de voiture consécutive est reliée, à l'extrémité opposée du bogie, au prolongement (9) longitudinal de l'élément (7) transversal.
  16. Véhicule ferroviaire suivant l'une des revendications 13 à 15, caractérisé en ce qu'un passage (25), doté d'un plancher (26) situé plus bas que le bord supérieur des roues, est prévu entre les caisses (22) de voiture des wagons (22) se raccordant les uns aux autres.
EP96114660A 1995-09-14 1996-09-12 Train de roulement pour un véhicule ferroviaire, notamment pour un véhicule ferroviaire à plancher bas Expired - Lifetime EP0763454B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT1522/95 1995-09-14
AT152295 1995-09-14
AT152295 1995-09-14

Publications (3)

Publication Number Publication Date
EP0763454A2 EP0763454A2 (fr) 1997-03-19
EP0763454A3 EP0763454A3 (fr) 1998-04-15
EP0763454B1 true EP0763454B1 (fr) 2002-01-23

Family

ID=3515430

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96114660A Expired - Lifetime EP0763454B1 (fr) 1995-09-14 1996-09-12 Train de roulement pour un véhicule ferroviaire, notamment pour un véhicule ferroviaire à plancher bas

Country Status (3)

Country Link
EP (1) EP0763454B1 (fr)
AT (1) ATE212298T1 (fr)
DE (1) DE59608636D1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT405734B (de) * 1996-12-05 1999-11-25 Siemens Sgp Verkehrstech Gmbh Fahrwerk für einen gliederzug
FR3042769B1 (fr) † 2015-10-23 2019-06-21 Alstom Transport Technologies Vehicule ferroviaire comprenant au moins un bogie abaisse
EP3315799B2 (fr) † 2016-10-26 2022-02-23 GESIPA Blindniettechnik GmbH Ecrou à rivet aveugle

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2427066A (en) * 1944-01-17 1947-09-09 Baldwin Locomotive Works Railway truck
DE1106359B (de) * 1956-10-31 1961-05-10 Maschf Augsburg Nuernberg Ag Abfederung eines zweiachsigen Drehgestells fuer Schienenfahrzeuge
BE1001811A3 (fr) * 1988-06-22 1990-03-13 Ferroviaires & Metall Constr Dispositif articule de guidage et de sustentation d'un vehicule ferroviaire.
IT1228887B (it) * 1989-02-24 1991-07-09 Socimi Carrello polifunzionale per veicoli su rotaia
AT398557B (de) * 1990-02-22 1994-12-27 Sgp Verkehrstechnik Fahrwerk für ein schienenfahrzeug, insbesondere niederflurfahrzeug
DE4136926A1 (de) * 1991-11-11 1993-05-13 Abb Henschel Waggon Union Fahrwerk fuer niederflurbahnen
ES2083843T3 (es) * 1992-04-22 1996-04-16 Sgp Verkehrstechnik Mecanismo de rodadura para vehiculos sobre carriles, en especial, vagones de plataforma baja.
US5249530A (en) * 1992-05-26 1993-10-05 Westinghouse Electric Corp. Forced steering railroad truck system with central transverse pivoted shaft

Also Published As

Publication number Publication date
EP0763454A3 (fr) 1998-04-15
ATE212298T1 (de) 2002-02-15
EP0763454A2 (fr) 1997-03-19
DE59608636D1 (de) 2002-03-14

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