EP3895951B1 - Voiture de voyageurs équipée d'un vestibule situé au-dessus d'un bogie et d'une marche d'accès externe au niveau d'une porte latérale - Google Patents

Voiture de voyageurs équipée d'un vestibule situé au-dessus d'un bogie et d'une marche d'accès externe au niveau d'une porte latérale Download PDF

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Publication number
EP3895951B1
EP3895951B1 EP20169393.4A EP20169393A EP3895951B1 EP 3895951 B1 EP3895951 B1 EP 3895951B1 EP 20169393 A EP20169393 A EP 20169393A EP 3895951 B1 EP3895951 B1 EP 3895951B1
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EP
European Patent Office
Prior art keywords
passenger car
external access
bogie
access step
car body
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.)
Active
Application number
EP20169393.4A
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German (de)
English (en)
Other versions
EP3895951A1 (fr
Inventor
Ludovic Demeulenaere
Benoît Gachet
David Lagnier
Frederik Allert
Christophe BRACQ
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.)
Alstom Holdings SA
Original Assignee
Bombardier Transportation 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 Bombardier Transportation GmbH filed Critical Bombardier Transportation GmbH
Priority to ES20169393T priority Critical patent/ES2955601T3/es
Priority to EP20169393.4A priority patent/EP3895951B1/fr
Priority to CN202110393780.0A priority patent/CN113525435A/zh
Publication of EP3895951A1 publication Critical patent/EP3895951A1/fr
Application granted granted Critical
Publication of EP3895951B1 publication Critical patent/EP3895951B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D23/00—Construction of steps for railway vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D1/00—Carriages for ordinary railway passenger traffic
    • B61D1/06—Carriages for ordinary railway passenger traffic with multiple deck arrangement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00—Construction details of vehicle bodies
    • B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • B61D17/10—Floors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D23/00—Construction of steps for railway vehicles
    • B61D23/02—Folding steps for railway vehicles, e.g. hand or mechanically actuated
    • B61D23/025—Folding steps for railway vehicles, e.g. hand or mechanically actuated electrically or 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
    • B61F3/00—Types of bogies
    • 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
    • B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
    • B61F5/22—Guiding of the vehicle underframes with respect to the bogies
    • B61F5/24—Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes

Definitions

  • the present invention relates to a passenger car for railway transportation, and more specifically to the problematic of accessing a passenger car from a platform situated at a level below a floor of a vestibule of the passenger car.
  • Passenger cars for railway transportation are provided with one or more side doors, which can be located close to the longitudinal ends of the passenger car or distributed along its length.
  • a door located close to an end of the passenger car offers the advantage of also allowing access to an adjacent car through an intercommunication. It enables to clearly separate the vestibule from the saloon, e.g. with a door or a partition, and to maximise the space allocated to the saloon.
  • the vestibule at the end of the passenger is often located at an intermediate level between the two decks car and gives access to a flight of stairs to the upper deck and a flight of stairs to the lower deck.
  • the car body of a passenger car is usually supported on one or more bogies, which are usually located close to the ends of the car body, or between cars in the case of articulated rail vehicles. In such cases, the vestibule and the side doors are often located at least partially above one of the bogies.
  • a pivotable step which pivots by 90° about a horizontal pivot axis between a vertical position and a horizontal position, as disclosed e.g. in DE9421209U1 .
  • the horizontal pivot axis is usually located below the door sill, as far as possible from the longitudinal centre plane of the car body, so as to avoid interference with the bogie when the bogie rotates relative to the car body about a vertical axis of rotation.
  • the depth of the pivotable step is limited for at least two reasons. First, any interference with the platform should be avoided before the step reaches its operational position, which involves that a safety margin has to be taken into account when defining the distance between the pivot axis and the edge of the platform. Second, the depth of the pivotable step cannot be greater than the distance between the door sill and the pivot axis, which is directly related to the height of the external step relative to the door sill. Standards, however, usually require that the maximum height of the external step (typically 200 mm) should be less than its minimum depth (usually 240 mm). Hence, pivotable steps do not easily meet standard requirements in terms of ergonomics and passenger comfort.
  • the invention aims to provide a vehicle configuration in which a side doorway located above a bogie can be provided with an external access step that has a comfortable depth.
  • the invention is defined by the features of claim 1.
  • a passenger car for railway transportation comprising: a car body and at least one bogie for supporting the car body.
  • the car body is provided with a vestibule, at least one side doorway on one left or right side of the car body for boarding and alighting from the vestibule and a side door for closing the side doorway.
  • the vestibule comprises a floor.
  • the vestibule also comprises at least one inner step, the inner step being lower than the floor, the inner step being located at the side doorway, between the floor and the side door in the closed position. Such an inner step is useful when the platform is particularly low.
  • the car body is further provided with an external access step movable in a transverse direction of the passenger car between a retracted position and at least one protruding position.
  • the bogie comprises a front set and a rear set of left and right wheels for rolling on left and right rails of a rail track, respectively, and a front set and a rear set of left and right bearings for guiding the front set and the rear set of left and right wheels, respectively.
  • the doorway is located at least partially between a front vertical transverse plane containing a revolution axis of the front set of left and right wheels and a rear vertical transverse plane containing a rear revolution axis of the rear set of left and right wheels.
  • the front and rear sets of left and right bearings are located between the left and right wheels of the front and rear sets of left and right wheels, respectively.
  • the inner step and the external access step in the retracted position are located transversally outward from the bogie.
  • the external access step in the retracted position is located below the inner step of the vestibule, whereas in the protruding position, the external access step is lower than the inner step and at least partially extends in front of the side doorway.
  • the external access step is guided in translation between the retracted position and the protruding position
  • the bogie Because of the specific location of the bearings, the bogie has a reduced width, which provides room for the external access step in the retracted position. Hence, the depth and the height of the external access step can be defined independently from one another and can more easily meet the requirements of the operator, with given constraints in terms of platform height and passenger comfort.
  • the external access step in the retracted position is lower than an upper end of the wheels of the front and rear sets of the left and right wheels. Hence, access to the vestibule of the car body from a very low platform is still possible with only one external access step.
  • the motion of the external access step between the retracted position and the protruding position is preferably a planar motion parallel to a transverse vertical plane.
  • the extendable external access step fulfils two functions. When the platform is low, it serves as an intermediate step between the inner step and the platform. When the platform is higher than the external access step, the external access step can still be extended so as to provide a gap filler between the inner step and the platform.
  • the external access step is guided so as to remain parallel to itself between the retracted position and the protruding position.
  • an actuator is provided for moving the external access step from the retracted position to any one of a plurality of operational positions between the retracted position and the protruding position and for maintaining the external access step in said operational positions.
  • the passenger car is further provided with a sensor for detecting a position of a platform or a contact between the external access step and the platform or a proximity of the external access step to the platform, and a controller for controlling the actuator based on a signal of the sensor An automatic adjustment takes place on each platform, so that the gap between the external access step and the platform can be minimised.
  • the bogie comprises a bogie frame, a primary suspension between the front and rear sets of left and right bearings and the bogie frame and a secondary suspension between the bogie frame and the car body, and the secondary suspension comprises a set of left and right vertical springs.
  • the car body may comprise an underframe and each of the left and right vertical springs of the secondary suspension has preferably an upper end fixed in a vertical direction relative to the underframe and a lower end fixed in a vertical direction relative to the bogie frame.
  • the vertical springs may comprise one or more of the following: pneumatic springs, helicoidal springs rubber springs.
  • a barycentre of a footprint of the set of left and right vertical springs on a horizontal plane is located within a rectangle tangential to the footprints of the sets of left and right wheels at least when the passenger car is stationary on a horizontal straight track.
  • the bogie frame comprises a set of left and right longitudinal beams located between the left and right wheels of each of the sets of left and right wheels and at least one transverse beams integral with the set of left and right longitudinal beams, and the primary suspension connects the sets of left and right bearings to the left and right longitudinal beams, respectively.
  • the bogie frame can be made in one piece of steel, cast iron or light metal, or it can be welded or otherwise assembled from several pieces.
  • the car body has a lower deck and an upper deck, in which case the floor of the vestibule is preferably at an intermediate level between the lower deck and the upper deck.
  • the passenger car can have a single deck, in which case the floor is preferably flush with the deck.
  • the inner step is lower than an upper end of the wheels of the front and rear sets of the left and right wheels.
  • the side door is a double leaf side door.
  • a single leaf side door is also possible.
  • the car body comprises an opposite side doorway, on an opposite left or right side of the car body for boarding and alighting from the vestibule of the car body, an opposite side door for closing the opposite side doorway, the vestibule comprising an opposite inner step, the opposite inner step being lower than the floor of the vestibule, the opposite inner step being located at the opposite side doorway, between the opposite side door and the floor of the vestibule when the opposite side door is in a closed position, transversally outward from the sets of left and right wheels of the bogie.
  • the bogie is located longitudinally between two longitudinal ends of the car body. In an alternative embodiment, the bogie protrudes from a longitudinal end of the car body, so as to constitute a Jacob bogie.
  • a passenger car 10 for railway transportation comprises a car body 12 supported on a pair of bogies 14.
  • the car body 12 consists of an underframe 16, left and right sides 18 and a roof 20, which extend along a longitudinal axis 100 of the passenger car 10 between two opposite longitudinal ends 22 of the car body 12.
  • the car body can be divided into two end sections 24, each comprising one of the ends 22 of the car body 12, and a median section 26 located between the end sections 24.
  • the median section 26 accounts for more than half the overall length of the car body 12 and accommodates one or two decks 28, 30 equipped with passenger seats (not shown).
  • One or both end sections 24 may be provided with a driver's cabin (not shown) or an end doorway 32 for accessing a neighbouring car body, as illustrated in figures 2 and 3 .
  • each end section 24 is provided with two side doorways 34 on the left and right sides 18 of the car body 12 for boarding and alighting a vestibule 36 of the car body 12.
  • the side doorways 34 are closed by double leaf side doors 38. It is to be understood that this configuration is not limitative: side doorways 34 may be provided at one end 24 only or on one side 18 only of the car body 12. Additional side doorways may be provided in the median section 26.
  • the vestibule 36 comprises a floor 40 and at least one inner step 42, which is lower than the floor 40 and located at the side doorway 34, between the side door 38 and the floor 36 when the side door 38 is in a closed position, as illustrated in figure 5 .
  • the vestibule 36 is preferably located at intermediate height between the lower and upper decks 28, 30.
  • the bogies 14, illustrated in figures 4 and 7 are located each below one of the end sections 24 of the car body 12, and each at least partially below the vestibule 36.
  • Each of the bogies 14 comprises a bogie frame 44, a front set and a rear set of left and right wheels 46 for rolling on a rail track, a front set and a rear set of left and right bearings 48 for guiding the front and rear sets of wheels 46, respectively, a primary suspension 50 between the sets of left and right bearings 48 and the bogie frame 44 and a secondary suspension 51 between the bogie frame 44 and the underframe 16 of the car body 12.
  • the wheels 46 of each set can be independent or mounted on a common axle 54.
  • the set of front bearings 48 is located between the left and right wheels 46 of the front set of wheels, while the set of rear bearings 48 is located between the left and right wheels 46 of the rear set of wheels.
  • the bogie frame 44 comprises a set of left and right longitudinal beams 56 located transversally between the left and right wheels 46 of each of the front and rear sets of wheels and at least one transverse beam 58 integral with the set of left and right longitudinal beams 56.
  • the primary suspension 50 connects the front and rear sets of bearings 48 to the left and right longitudinal beams 56, respectively.
  • the secondary suspension 51 comprises a set of left and right vertical springs 52, which have an upper end fixed in a vertical direction relative to the underframe 16 and a lower end fixed in a vertical direction relative to the bogie frame 44.
  • the vertical springs 52 may comprise one or more of the following: pneumatic springs, helicoidal springs rubber springs.
  • a barycentre 60 of a footprint of the set of left and right vertical springs 52 on a horizontal plane is located within the smallest rectangle 200 containing the footprints of the sets of left and right wheels 46, i.e. a rectangle tangential to the footprints of the sets of left and right wheels 46, as illustrated in figure 7 .
  • the external access step 62 is movable in translation in a direction perpendicular to a longitudinal vertical plane of the car body 12 between a retracted position ( figures 3 , 5 and 9 ) below the inner step 42 and a protruding position ( figure 2 , 6 , 8 and 10 ) in front of the side doorway, below the inner step 42.
  • the external access step 62 is moved by an actuator 64, here depicted as a motor 66 which drives a pinion 68 which engages with a rack 70 formed on the lower face of the external access step 62, while the step is guided by a runner 72.
  • the external access step 62 may be equipped with a proximity or contact sensor 74 connected to a controller 76 for controlling the actuator 64, as schematically illustrated in figure 11 .
  • the extendable external access step 62 fulfils two functions. When the platform 78 is low, as illustrated in figure 6 , it serves as an intermediate step between the inner step 42 and the platform 78. When the platform 78 is higher than the external access step 62, as illustrated in figure 8 , the external access step 62 can still be extended so as to provide a gap filler between the inner step 42 and the platform 78.
  • the width W of the external access step 62 and of the doorway 34 is preferably shorter than the distance L between the revolution axes 300 of the front and rear set of wheels 46.
  • the external access step 62 and the doorway 34 are preferably between the transverse vertical planes 400 which contain the revolution axes 300.
  • the vertical distance between the floor 40 of the vestibule 36 and the inner step 42 is between 150 mm and 250 mm, as well as the vertical distance between the inner step 42 and the external access step 62.
  • one of the bogies is a Jacob bogie, which protrudes from a longitudinal end of the car body and is located partially below the vestibule.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Transportation (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Body Structure For Vehicles (AREA)

Claims (13)

  1. Voiture de voyageurs (10) destinée au transport ferroviaire, la voiture de voyageurs (10) comprenant :
    - une carrosserie de voiture (12), la carrosserie de voiture étant pourvue d'un vestibule (36), au moins une entrée de porte latérale (34) sur un côté gauche ou droit de la carrosserie de voiture (12) permettant de monter et de descendre du vestibule (36), et une porte latérale (38) permettant de fermer l'entrée de porte latérale (34), le vestibule (36) comprenant un plancher (40) et au moins une marche intérieure (42), la marche intérieure (42) étant plus basse que le plancher (40), la marche intérieure (42) étant située au niveau de l'entrée de porte latérale (34), entre le plancher (40) et la porte latérale (38) dans la position fermée et la carrosserie de voiture étant en outre pourvue d'une marche d'accès externe (62) mobile dans une direction transversale de la voiture de voyageurs (100) entre une position escamotée et au moins une position saillante, la marche d'accès externe (62) dans la position saillante étant plus basse que la marche intérieure (42) et s'étendant au moins partiellement devant l'entrée de porte latérale (34), et
    - au moins un bogie (14) permettant de soutenir la carrosserie de voiture, le bogie (14) comprenant un ensemble avant et un ensemble arrière de roues gauche et droite (46) permettant de rouler sur des rails gauche et droit d'une voie ferrée (1), respectivement, et un ensemble avant et un ensemble arrière de paliers gauche et droit (48) permettant de guider l'ensemble avant et l'ensemble arrière de roues gauche et droite (44), respectivement,
    - l'entrée de porte (34) étant située au moins partiellement entre un plan transversal vertical avant (400) contenant un axe de révolution (300) de l'ensemble avant de roues gauche et droite (46) et un plan transversal vertical arrière (400) contenant un axe de révolution arrière (300) de l'ensemble arrière de roues gauche et droite (46),
    caractérisée en ce que :
    - les ensembles avant et arrière de paliers gauche et droit (48) sont situés entre les roues gauche et droite (46) des ensembles avant et arrière de roues gauche et droite, respectivement, et
    - la marche intérieure (42) et la marche d'accès externe (62) dans la position escamotée sont situées transversalement vers l'extérieur du bogie et la marche d'accès externe (62) dans la position escamotée est située en dessous de la marche intérieure (42) du vestibule (36) et la marche d'accès externe est guidée en translation entre la position escamotée et la position saillante.
  2. Voiture de voyageurs (10) selon la revendication 1, dans laquelle la marche d'accès externe (62) dans la position escamotée est plus basse qu'une extrémité supérieure des roues (46) des ensembles avant et arrière de roues gauche et droite (46).
  3. Voiture de voyageurs (10) selon l'une quelconque des revendications précédentes, dans laquelle la marche d'accès externe (62) est guidée de manière à rester parallèle à un plan vertical transversal entre la position escamotée et la position saillante.
  4. Voiture de voyageurs (10) selon l'une quelconque des revendications précédentes, comprenant en outre un actionneur permettant de déplacer la marche d'accès externe (62) de la position escamotée à l'une quelconque d'une pluralité de positions fonctionnelles entre la position escamotée et la position saillante et de maintenir la marche d'accès externe (62) dans lesdites positions fonctionnelles.
  5. Voiture de voyageurs (10) selon la revendication 4, pourvue en outre d'un capteur permettant de détecter une position d'une plate-forme ou un contact entre la marche d'accès externe (62) et la plate-forme ou une proximité de la marche d'accès externe (62) par rapport à la plate-forme, et d'un dispositif de commande permettant de commander l'actionneur sur la base d'un signal du capteur.
  6. Voiture de voyageurs (10) selon l'une quelconque des revendications précédentes, dans laquelle le bogie (14) comprend un châssis de bogie (44), une suspension primaire (50) entre les ensembles avant et arrière de paliers gauche et droit (48) et le châssis de bogie (44) et une suspension secondaire (51) entre le châssis de bogie (44) et la carrosserie de voiture (12), et la suspension secondaire (51) comprend un ensemble de ressorts verticaux gauche et droit (52).
  7. Voiture de voyageurs (10) selon la revendication 6, dans laquelle un barycentre (60) d'une empreinte de l'ensemble de ressorts verticaux gauche et droit (52) sur un plan horizontal est situé dans un rectangle (200) tangent aux empreintes des ensembles de roues gauche et droite (46) au moins lorsque la voiture de voyageurs est à l'arrêt sur une voie rectiligne horizontale (1).
  8. Voiture de voyageurs (10) selon l'une quelconque des revendications 6 à 7, dans laquelle le châssis de bogie (44) comprend un ensemble de poutres longitudinales gauche et droite (56) situées entre les roues gauche et droite (46) de chacun des ensembles de roues gauche et droite (46) et au moins une poutre transversale (48) solidaire de l'ensemble de poutres longitudinales gauche et droite (56), et la suspension primaire (50) relie les ensembles de paliers gauche et droit (48) aux poutres longitudinales gauche et droite (56), respectivement.
  9. Voiture de voyageurs (10) selon l'une quelconque des revendications précédentes, dans laquelle la marche intérieure (42) est plus basse qu'une extrémité supérieure des roues (46) des ensembles avant et arrière des roues gauche et droite (46).
  10. Voiture de voyageurs (10) selon l'une quelconque des revendications précédentes, dans laquelle la porte latérale (38) est une porte latérale à double battant.
  11. Voiture de voyageurs (10) selon l'une quelconque des revendications précédentes, dans laquelle la carrosserie de voiture (12) a un pont inférieur (28) et un pont supérieur (30) et le plancher (40) du vestibule (36) est à un niveau intermédiaire entre le pont inférieur (30) et le pont supérieur (30).
  12. Voiture de voyageurs (10) selon l'une quelconque des revendications 1 à 10, dans laquelle le bogie (14) est situé longitudinalement entre deux extrémités longitudinales (22) de la carrosserie de voiture (12).
  13. Voiture de voyageurs (10) selon l'une quelconque des revendications 1 à 10, dans laquelle le bogie (14) fait saillie depuis une extrémité longitudinale (22) de la carrosserie de voiture (12).
EP20169393.4A 2020-04-14 2020-04-14 Voiture de voyageurs équipée d'un vestibule situé au-dessus d'un bogie et d'une marche d'accès externe au niveau d'une porte latérale Active EP3895951B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ES20169393T ES2955601T3 (es) 2020-04-14 2020-04-14 Vagón de pasajeros dotado de un vestíbulo dispuesto sobre un bogie y con un escalón de acceso externo en una entrada lateral
EP20169393.4A EP3895951B1 (fr) 2020-04-14 2020-04-14 Voiture de voyageurs équipée d'un vestibule situé au-dessus d'un bogie et d'une marche d'accès externe au niveau d'une porte latérale
CN202110393780.0A CN113525435A (zh) 2020-04-14 2021-04-13 设置有位于转向架上方的通过台和在侧门通道处的外部进入台阶的乘用车

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20169393.4A EP3895951B1 (fr) 2020-04-14 2020-04-14 Voiture de voyageurs équipée d'un vestibule situé au-dessus d'un bogie et d'une marche d'accès externe au niveau d'une porte latérale

Publications (2)

Publication Number Publication Date
EP3895951A1 EP3895951A1 (fr) 2021-10-20
EP3895951B1 true EP3895951B1 (fr) 2023-06-07

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EP20169393.4A Active EP3895951B1 (fr) 2020-04-14 2020-04-14 Voiture de voyageurs équipée d'un vestibule situé au-dessus d'un bogie et d'une marche d'accès externe au niveau d'une porte latérale

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EP (1) EP3895951B1 (fr)
CN (1) CN113525435A (fr)
ES (1) ES2955601T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022208686A1 (de) * 2022-08-22 2024-02-22 Siemens Mobility GmbH Schienenfahrzeug

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3708498A1 (de) * 1987-03-16 1988-09-29 Dowaldwerke Steuerung fuer eine ausfahrbare eisenbahnwagen-trittstufe
DE9421209U1 (de) * 1994-06-09 1995-09-07 Waggonbau Görlitz GmbH, 02826 Görlitz Doppelstöckiges Schienenfahrzeug zur Beförderung von Personen im Nah- und Fernverkehr auf Strecken mit unterschiedlichen Bahnsteighöhen
AT409843B (de) * 2000-04-17 2002-11-25 Siemens Sgp Verkehrstech Gmbh Fahrwerk für ein schienenfahrzeug
CN201136504Y (zh) * 2007-12-20 2008-10-22 南车四方机车车辆股份有限公司 关节式构架转向架
FR3029879B1 (fr) * 2014-12-15 2017-01-13 Alstom Transp Tech Bogie motorise pour un vehicule ferroviaire a plancher surbaisse
CN207550202U (zh) * 2017-12-19 2018-06-29 张财 安全踏板自适应伸出的辅助控制电路

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CN113525435A (zh) 2021-10-22
ES2955601T3 (es) 2023-12-04
EP3895951A1 (fr) 2021-10-20

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