EP3808628A1 - Vehicle, in particular a railway vehicle, comprising a trim member for air deflector - Google Patents

Vehicle, in particular a railway vehicle, comprising a trim member for air deflector Download PDF

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Publication number
EP3808628A1
EP3808628A1 EP20201457.7A EP20201457A EP3808628A1 EP 3808628 A1 EP3808628 A1 EP 3808628A1 EP 20201457 A EP20201457 A EP 20201457A EP 3808628 A1 EP3808628 A1 EP 3808628A1
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EP
European Patent Office
Prior art keywords
guide surface
zone
vehicle
air flow
side wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20201457.7A
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German (de)
French (fr)
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EP3808628B1 (en
Inventor
Arnaud Loumeaud
Stéphane LANOE
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SpeedInnov SAS
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SpeedInnov SAS
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Publication of EP3808628A1 publication Critical patent/EP3808628A1/en
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Publication of EP3808628B1 publication Critical patent/EP3808628B1/en
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    • 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
    • B61D17/18—Internal lining, e.g. insulating
    • 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
    • B61D27/00—Heating, cooling, ventilating, or air-conditioning
    • B61D27/009—Means for ventilating only

Definitions

  • the present invention relates to a vehicle, in particular a railway vehicle, comprising at least an upper room and a lower room respectively for passengers, a side wall comprising a first zone located in the upper room, and at least a second zone located in the lower room, and a ventilation system adapted to create at least a first airflow along the first zone, and at least a second airflow along the second zone.
  • the hopper forms a horizontal opening providing permanent communication between the upper room and the lower room.
  • the hopper is arranged adjacent to the side wall, and the first air flow descends towards the hopper, while the second air flow rises towards the hopper, there is a risk of Anarchic circulation of air flows between the upper room and the lower room likely to have very negative consequences on the thermal comfort of travelers. In other words, the temperature and ventilation settings selected for the upper room will potentially negatively influence the atmosphere in the lower room, and vice versa.
  • one aim of the invention is to provide a vehicle comprising a permanent hopper and improving the thermal comfort of travelers present in the upper room or the lower room.
  • the vehicle 10 is a railway vehicle.
  • the vehicle 10 is for example a road vehicle, in particular a bus or a coach, a ship or an aircraft.
  • the vehicle 10 comprises a body structure 12 defining an upper room 14 and a lower room 16.
  • the vehicle 10 can have more than two levels.
  • the vehicle 10 comprises a floor 18 of the lower room 16, a floor 20 of the upper room 14 and a ceiling 22.
  • the vehicle 10 also comprises two side walls 24, 26 opposite in a transverse direction T substantially parallel to the floor 20.
  • longitudinal direction L substantially perpendicular to the transverse direction T and a direction of elevation V substantially perpendicular to the longitudinal direction and to the transverse direction and intended to be vertical when the vehicle rests on a horizontal surface S.
  • the longitudinal direction L is the direction of travel of the vehicle 10.
  • the vehicle 10 also includes a staircase 28 allowing access to the upper room 14 from the lower room 16 via a hopper 30 defined by the floor 20.
  • the vehicle comprises a plurality 32 of trim members fixed to the body structure 12, including a trim member 34 having a role of deflector and which will be described below.
  • the vehicle comprises a ventilation system 36 adapted to produce air flows in the upper room 14 and in the lower room 16, advantageously at controlled temperatures.
  • the upper room 14 and the lower room 16 include, for example, armchairs, tables and / or other items of furniture, such as a counter (not shown).
  • the side wall 24 comprises a first zone 38, located in the upper room 14, on which the ventilation system 36 is adapted to create a first downward air flow 40.
  • the side wall 24 comprises a second zone 42, located in the lower room 16, on which the ventilation system 36 is adapted to create a second air flow 44 rising along the second zone.
  • the first zone 38 advantageously comprises a window 46 and the second zone 42 advantageously comprises a window 48.
  • the side wall 26 is advantageously symmetrical with the side wall 24 with respect to a median plane P of the vehicle 10.
  • the side wall 26 comprises at least two windows 50, 52 on which the ventilation system 36 is adapted to respectively create air flows. air 54, 56 descending and ascending respectively.
  • the ventilation system 36 is also suitable for creating two transverse air flows 58, 60, directed towards one another, substantially along the floor 18.
  • the ventilation system 36 is also suitable for creating two transverse air flows 62, 64, directed towards each other, along the ceiling 22.
  • the ventilation system 36 is advantageously masked by the plurality 32 of covering members in a manner known per se.
  • the hopper 30 has for example a rectangular shape when viewed in the direction of elevation V.
  • the hopper 30 is advantageously surrounded at least partially by a balustrade 66.
  • Hopper 30 is transversely adjacent to side wall 24. Stated another way, hopper 30 is closer to side wall 24 than side wall 26. For example, hopper 30 is less than 50 cm from side wall. 24. Advantageously, the hopper 30 does not extend beyond the median plane P towards the side wall 26.
  • the balustrade 66 comprises for example a portion 68 located on the side opposite the side wall 24 with respect to the hopper 30 in the transverse direction T.
  • the portion 68 of the balustrade is for example substantially perpendicular to the transverse direction T.
  • the covering member 34 is fixed to the side wall 24 and extends from the first zone 38 to the second zone in the direction of elevation V.
  • the covering member 34 projects transversely with respect to the first zone 38 and to the second zone 42.
  • the covering member advantageously has a transverse extension E measured from the side wall 24, for example between 5 cm and 35 cm.
  • the covering member 34 defines a first guide surface 70 adapted to deflect the first air flow 40 and form a third air flow 72 located above the floor 20 and oriented substantially transversely.
  • the covering member also defines a second guide surface 74 adapted to deflect the second air flow 44 and form a fourth air flow 76 located below the floor 20 and oriented substantially transversely.
  • the covering member 34 comprises an upper part 78 adjacent to the first zone 38 and defining the first guide surface 70, an intermediate part 80, and a lower part 82 adjacent to the second zone 42 and defining the second guide surface 74.
  • the covering member 34 advantageously extends along the windows 46, 48 in the longitudinal direction L. As a variant, it extends longitudinally along several windows.
  • the covering member 34 has for example a generally rectangular shape when viewed in the transverse direction T.
  • the covering member 34 is adapted so that the third air flow 72 is directed towards an upper half of the portion 68 of the balustrade 66. According to a variant not shown, the covering member is configured so that the third air flow is directed above the balustrade 66.
  • first guide surface 70 and the second guide surface 74 respectively comprise surfaces proximal 84, 86 relative to the side wall 24 in the transverse direction T, the proximal surfaces being concave.
  • only one of the guide surfaces comprises such a concave proximal surface.
  • the first guide surface 70 and the second guide surface 74 respectively comprise flats 88, 90 substantially parallel to the transverse direction T.
  • only one of the guide surfaces comprises such a flat.
  • the first guide surface and the second guide surface respectively comprise surfaces 92, 94 distal to the side wall 24 according to the figure. transverse direction T, the distal surfaces respectively forming beaks projecting relative to the intermediate part 80 in the transverse direction T.
  • only one of the guide surfaces forms such a spout.
  • one and / or the other of the distal surfaces 92, 94 are rounded around the longitudinal direction L and do not form a beak.
  • the intermediate part 80 defines for example a substantially planar surface 96 connecting the first guide surface 70 to the second guide surface 74.
  • the covering member 34 is adapted so that the third air flow 72 is directed towards an upper half of the portion 68 of the balustrade 66.
  • the covering member is configured so that the third air flow is directed above the balustrade 66.
  • the ventilation system 36 creates the first air flow 40 which descends along the window 46, the second air flow 44, which rises along the window 48, as well as the air flow. other air streams 54, 56, 58, 60, 62 and 64.
  • the covering member 34 In the absence of the covering member 34, there would be a risk that the first air flow 40 would continue its downward stroke through the hopper 30, crossing the second air flow 44 which would continue its upward stroke. through the hopper. This would create an anarchic circulation of air flows, in which the settings, in particular temperature, desired for the upper room 14 would be communicated to the lower room 16, and vice versa.
  • the covering member 34 is adapted to prevent such an anarchic circulation.
  • first guide surface 70 deflects the first air flow 40 and forms the third air flow 72 oriented transversely.
  • second guide surface 74 deflects the second air flow 44 and forms the fourth air flow 76 also oriented transversely and located under the floor 20.
  • the fourth air flow 76 remains overwhelmingly in the lower room 16.
  • the fourth air flow 76 is diverted for example downward (arrow F1) on the. figure 1 when it encounters a flow (arrow F2) resulting from the deflection of the air flow 56 by the floor 20.
  • the third air flow 72 abuts on the portion 68 of the balustrade 66. Due to the presence of the fourth air flow 76 and the flow materialized by the arrow F1, the third air flow. air 72 is mainly directed upwards and therefore remains in the upper room 14.
  • the third air flow 72 passes directly above the balustrade 66.
  • the air flow 54 descends along the window 50 and forms a roll (arrows F5 and F6).
  • the air flow 54 ends up going up along the balustrade 66.
  • the air streams 62, 64 meet and descend. However, these descending flows do not pass through the hopper 30 in the direction of the lower room 16 due to the presence of contrary air flows coming from the third air flow 72 and the flow represented by the arrow F6.
  • the proximal surfaces 84, 86 serve to take off respectively the first air flow 40 and the second air flow 44 from the first zone 38 and from the second zone 42.
  • the flats 88, 90 give their directions respectively to the third flows air 72 and the fourth air flow 76.
  • the nozzles formed by the distal surfaces 92, 94 allow a focusing of the third air flow 72 and the fourth air flow 76 and avoid that part of the air flow. these flows diffuse towards the hopper 30.
  • the covering member 34 thanks to its reduced transverse extension E, is compact and does not bother travelers when they take the stairs 28.
  • the covering member advantageously made up of a single piece, is easy to install and is inexpensive.
  • it does not require any particular adaptation of the other parts of the vehicle 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Transportation (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Body Structure For Vehicles (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)

Abstract

Véhicule (10) comprenant :- une salle haute (14) et une salle basse (16),- au moins une paroi latérale (24),- un système de ventilation (36) pour créer un premier flux d'air (40) descendant, et un deuxième flux d'air (44) montant,- un plancher (20) définissant une trémie (30) adjacente à la paroi latérale selon une direction transversale (T), et- au moins un organe d'habillage (34) fixé sur la paroi latérale, faisant saillie transversalement et définissant une première surface de guidage pour dévier le premier flux d'air et former un troisième flux d'air (72) situé au-dessus du plancher et orienté transversalement, l'organe d'habillage définissant une deuxième surface de guidage pour dévier le deuxième flux d'air et former un quatrième flux d'air (76) situé en-dessous du plancher et orienté sensiblement transversalement.Vehicle (10) comprising: - an upper room (14) and a lower room (16), - at least one side wall (24), - a ventilation system (36) to create a first air flow (40) descending, and a second rising air flow (44), - a floor (20) defining a hopper (30) adjacent to the side wall in a transverse direction (T), and- at least one covering member (34 ) attached to the side wall, projecting transversely and defining a first guide surface for deflecting the first air flow and forming a third air flow (72) located above the floor and oriented transversely, the member d 'covering defining a second guide surface for deflecting the second air flow and forming a fourth air flow (76) located below the floor and oriented substantially transversely.

Description

La présente invention concerne un véhicule, notamment ferroviaire, comprenant au moins une salle haute et une salle basse respectivement pour des voyageurs, une paroi latérale comprenant une première zone située dans la salle haute, et au moins une deuxième zone située dans la salle basse, et un système de ventilation adapté pour créer au moins un premier flux d'air le long de la première zone, et au moins un deuxième flux d'air le long de la deuxième zone.The present invention relates to a vehicle, in particular a railway vehicle, comprising at least an upper room and a lower room respectively for passengers, a side wall comprising a first zone located in the upper room, and at least a second zone located in the lower room, and a ventilation system adapted to create at least a first airflow along the first zone, and at least a second airflow along the second zone.

Dans les véhicules ferroviaires actuels, il est connu de desservir la salle haute et la salle basse à partir d'un espace situé à une extrémité du véhicule et donnant accès à chacune des salles par une porte. Ainsi, les deux salles sont indépendantes l'une de l'autre d'un point de vue aéraulique. Le premier flux d'air reste dans la salle haute, tandis que le deuxième flux d'air reste dans la salle basse.In current rail vehicles, it is known practice to serve the upper room and the lower room from a space located at one end of the vehicle and giving access to each of the rooms by a door. Thus, the two rooms are independent from one another from a ventilation point of view. The first airflow stays in the upper room, while the second airflow stays in the lower room.

Il est par ailleurs connu de permettre à des utilisateurs de passer d'un niveau haut à un niveau bas séparés par un plancher, grâce à une trémie pratiquée dans le plancher et à un escalier.It is also known to allow users to go from a high level to a low level separated by a floor, thanks to a hopper made in the floor and to a staircase.

Dans ce cas, la trémie forme une ouverture horizontale réalisant une communication permanente entre la salle haute et la salle basse.In this case, the hopper forms a horizontal opening providing permanent communication between the upper room and the lower room.

Si, pour des raisons d'encombrement, la trémie est disposée adjacente à la paroi latérale, et que le premier flux d'air descend vers la trémie, tandis que le deuxième flux d'air monte vers la trémie, il existe un risque de circulation anarchique des flux d'air entre la salle haute et la salle basse susceptible d'avoir des conséquences très négatives sur le confort thermique des voyageurs. Dit autrement, les réglages de température et de ventilation sélectionnés pour la salle haute vont influencer potentiellement négativement l'ambiance de la salle basse, et réciproquement.If, for reasons of space, the hopper is arranged adjacent to the side wall, and the first air flow descends towards the hopper, while the second air flow rises towards the hopper, there is a risk of Anarchic circulation of air flows between the upper room and the lower room likely to have very negative consequences on the thermal comfort of travelers. In other words, the temperature and ventilation settings selected for the upper room will potentially negatively influence the atmosphere in the lower room, and vice versa.

Ainsi, un but de l'invention est de proposer un véhicule comportant une trémie permanente et améliorant le confort thermique de voyageurs présents dans la salle haute ou la salle basse.Thus, one aim of the invention is to provide a vehicle comprising a permanent hopper and improving the thermal comfort of travelers present in the upper room or the lower room.

A cet effet, l'invention a pour objet un véhicule, notamment ferroviaire, comprenant:

  • une salle haute et une salle basse respectivement pour des voyageurs,
  • au moins une paroi latérale comprenant au moins une première zone située dans la salle haute, et au moins une deuxième zone située dans la salle basse,
  • un système de ventilation adapté pour créer au moins un premier flux d'air descendant le long de la première zone, et au moins un deuxième flux d'air montant le long de la deuxième zone,
  • un plancher de la salle haute définissant au moins une trémie adjacente à la paroi latérale selon une direction transversale sensiblement parallèle au plancher,
  • au moins un escalier de passage des voyageurs entre la salle basse et la salle haute via la trémie, et
  • au moins un organe d'habillage fixé sur la paroi latérale entre la première zone et la deuxième zone selon une direction d'élévation sensiblement perpendiculaire au plancher, l'organe d'habillage faisant saillie transversalement par rapport à la première zone et à la deuxième zone, l'organe d'habillage définissant une première surface de guidage adaptée pour dévier le premier flux d'air et former un troisième flux d'air situé au-dessus du plancher et orienté sensiblement transversalement, l'organe d'habillage définissant une deuxième surface de guidage configurée pour dévier le deuxième flux d'air et former un quatrième flux d'air situé en-dessous du plancher et orienté sensiblement transversalement.
To this end, the invention relates to a vehicle, in particular a railway vehicle, comprising:
  • an upper room and a lower room respectively for travelers,
  • at least one side wall comprising at least a first zone located in the upper room, and at least a second zone located in the lower room,
  • a ventilation system adapted to create at least a first air flow descending along the first zone, and at least a second air flow ascending along the second zone,
  • a floor of the upper room defining at least one hopper adjacent to the side wall in a transverse direction substantially parallel to the floor,
  • at least one passenger staircase between the lower room and the upper room via the hopper, and
  • at least one covering member fixed to the side wall between the first zone and the second zone in a direction of elevation substantially perpendicular to the floor, the covering member projecting transversely with respect to the first zone and to the second zone, the covering member defining a first guide surface adapted to deflect the first air flow and forming a third air flow located above the floor and oriented substantially transversely, the covering member defining a second guide surface configured to deflect the second air flow and form a fourth air flow located below the floor and oriented substantially transversely.

Selon des modes de réalisation particuliers, le véhicule comprend l'une ou plusieurs des caractéristiques suivantes, prise(s) isolément ou selon toutes les combinaisons techniquement possibles :

  • une balustrade de protection des voyageurs, la balustrade comportant au moins une portion située du côté opposé à la paroi latérale par rapport à la trémie selon la direction transversale, l'organe d'habillage étant configuré pour que le troisième flux d'air soit dirigé vers une moitié supérieure de ladite portion de la balustrade, ou au-dessus de ladite balustrade ;
  • la première zone comprend au moins une fenêtre vitrée et/ou la deuxième zone comprend au moins une fenêtre vitrée ;
  • l'organe d'habillage comprend une partie supérieure adjacente à la première zone et définissant la première surface de guidage, une partie inférieure adjacente à la deuxième zone et définissant la deuxième surface de guidage, et une partie intermédiaire située entre la partie supérieure et la partie inférieure selon la direction d'élévation ;
  • l'une et/ou l'autre de première surface de guidage et de la deuxième surface de guidage comprennent respectivement des surfaces proximales par rapport à la paroi latérale selon la direction transversale, les surfaces proximales étant concaves ;
  • l'une et/ou l'autre de première surface de guidage et de la deuxième surface de guidage comprennent respectivement des méplats sensiblement parallèles à la direction transversale ;
  • l'une et/ou l'autre de première surface de guidage et de la deuxième surface de guidage comprennent respectivement des surfaces distales par rapport à la paroi latérale selon la direction transversale, les surfaces distales formant respectivement des becs en saillie par rapport à la partie intermédiaire selon la direction transversale ;
  • l'une et/ou l'autre de première surface de guidage et de la deuxième surface de guidage comprennent respectivement des surfaces distales par rapport à la paroi latérale selon la direction transversale, les surfaces distales étant arrondies ;
  • la partie intermédiaire définit une surface sensiblement plane reliant la première surface de guidage à la deuxième surface de guidage ; et
  • l'organe d'habillage présente une extension transversale mesurée depuis la paroi latérale, l'extension transversale étant comprise entre 5 cm et 35 cm.
According to particular embodiments, the vehicle comprises one or more of the following characteristics, taken in isolation or in any technically possible combination:
  • a passenger protection railing, the railing comprising at least one portion located on the side opposite the side wall with respect to the hopper in the transverse direction, the covering member being configured so that the third air flow is directed towards an upper half of said portion of the railing, or above said railing;
  • the first zone comprises at least one glazed window and / or the second zone comprises at least one glazed window;
  • the covering member comprises an upper part adjacent to the first zone and defining the first guide surface, a lower part adjacent to the second zone and defining the second guide surface, and an intermediate part located between the upper part and the lower part according to the direction of elevation;
  • one and / or the other of the first guide surface and of the second guide surface respectively comprise surfaces proximal to the side wall in the transverse direction, the proximal surfaces being concave;
  • one and / or the other of the first guide surface and of the second guide surface respectively comprise flats substantially parallel to the transverse direction;
  • one and / or the other of the first guide surface and of the second guide surface respectively comprise surfaces distal to the side wall in the transverse direction, the distal surfaces respectively forming protruding nozzles with respect to the intermediate part in the transverse direction;
  • one and / or the other of the first guide surface and of the second guide surface respectively comprise surfaces distal to the side wall in the transverse direction, the distal surfaces being rounded;
  • the intermediate part defines a substantially planar surface connecting the first guide surface to the second guide surface; and
  • the covering member has a transverse extension measured from the side wall, the transverse extension being between 5 cm and 35 cm.

L'invention sera mieux comprise à la lecture de la description qui va suivre, donnée uniquement à titre d'exemple et faite en se référant aux dessins annexés, sur lesquels :

  • la figure 1 est une vue schématique, en section, d'un véhicule selon l'invention, et
  • la figure 2 est une vue schématique, également en section, d'un organe d'habillage du véhicule représenté sur la figure 1.
The invention will be better understood on reading the description which will follow, given solely by way of example and made with reference to the appended drawings, in which:
  • the figure 1 is a schematic sectional view of a vehicle according to the invention, and
  • the figure 2 is a schematic view, also in section, of a vehicle trim member shown in figure 1 .

En référence aux figures 1 et 2, on décrit un véhicule 10 selon l'invention.With reference to figures 1 and 2 , a vehicle 10 according to the invention is described.

Dans l'exemple représenté, le véhicule 10 est un véhicule ferroviaire.In the example shown, the vehicle 10 is a railway vehicle.

Selon des variantes non représentées, le véhicule 10 est par exemple un véhicule routier, notamment un bus ou un autocar, un navire ou un aéronef.According to variants not shown, the vehicle 10 is for example a road vehicle, in particular a bus or a coach, a ship or an aircraft.

Le véhicule 10 comprend une structure de caisse 12 définissant une salle haute 14 et une salle basse 16.The vehicle 10 comprises a body structure 12 defining an upper room 14 and a lower room 16.

Selon des variantes non représentées, le véhicule 10 peut avoir plus de deux niveaux.According to variants not shown, the vehicle 10 can have more than two levels.

Le véhicule 10 comprend un plancher 18 de la salle basse 16, un plancher 20 de la salle haute 14 et un plafond 22. Le véhicule 10 comprend également deux parois latérales 24, 26 opposées selon une direction transversale T sensiblement parallèle au plancher 20.The vehicle 10 comprises a floor 18 of the lower room 16, a floor 20 of the upper room 14 and a ceiling 22. The vehicle 10 also comprises two side walls 24, 26 opposite in a transverse direction T substantially parallel to the floor 20.

On définit également une direction longitudinale L sensiblement perpendiculaire à la direction transversale T et une direction d'élévation V sensiblement perpendiculaire à la direction longitudinale et à la direction transversale et destinée à être verticale lorsque le véhicule repose sur une surface S horizontale. Dans l'exemple représenté, la direction longitudinale L est la direction de circulation du véhicule 10.We also define a longitudinal direction L substantially perpendicular to the transverse direction T and a direction of elevation V substantially perpendicular to the longitudinal direction and to the transverse direction and intended to be vertical when the vehicle rests on a horizontal surface S. In the example shown, the longitudinal direction L is the direction of travel of the vehicle 10.

Le véhicule 10 comporte aussi un escalier 28 permettant d'accéder à la salle haute 14 depuis la salle basse 16 via une trémie 30 définie par le plancher 20.The vehicle 10 also includes a staircase 28 allowing access to the upper room 14 from the lower room 16 via a hopper 30 defined by the floor 20.

Le véhicule comprend une pluralité 32 d'organes d'habillage fixés sur la structure de caisse 12, dont un organe d'habillage 34 possédant un rôle de déflecteur et qui sera décrit plus bas.The vehicle comprises a plurality 32 of trim members fixed to the body structure 12, including a trim member 34 having a role of deflector and which will be described below.

Le véhicule comporte enfin un système de ventilation 36 adapté pour produire des flux d'air dans la salle haute 14 et dans la salle basse 16, avantageusement à des températures contrôlées.Finally, the vehicle comprises a ventilation system 36 adapted to produce air flows in the upper room 14 and in the lower room 16, advantageously at controlled temperatures.

La salle haute 14 et la salle basse 16 comprennent par exemple des fauteuils, des tables et/ou d'autres éléments du mobilier, tels qu'un comptoir (non représenté).The upper room 14 and the lower room 16 include, for example, armchairs, tables and / or other items of furniture, such as a counter (not shown).

La paroi latérale 24 comprend une première zone 38, située dans la salle haute 14, sur laquelle le système de ventilation 36 est adapté pour créer un premier flux d'air 40 descendant.The side wall 24 comprises a first zone 38, located in the upper room 14, on which the ventilation system 36 is adapted to create a first downward air flow 40.

La paroi latérale 24 comprend une deuxième zone 42, située dans la salle basse 16, sur laquelle le système de ventilation 36 est adapté pour créer un deuxième flux d'air 44 montant le long de la deuxième zone.The side wall 24 comprises a second zone 42, located in the lower room 16, on which the ventilation system 36 is adapted to create a second air flow 44 rising along the second zone.

La première zone 38 comprend avantageusement une fenêtre 46 et la deuxième zone 42 comprend avantageusement une fenêtre 48.The first zone 38 advantageously comprises a window 46 and the second zone 42 advantageously comprises a window 48.

La paroi latérale 26 est avantageusement symétrique de la paroi latérale 24 par rapport à un plan médian P du véhicule 10. La paroi latérale 26 comprend au moins deux fenêtres 50, 52 sur lesquelles le système de ventilation 36 est adapté pour créer respectivement des flux d'air 54, 56 respectivement descendant et montant.The side wall 26 is advantageously symmetrical with the side wall 24 with respect to a median plane P of the vehicle 10. The side wall 26 comprises at least two windows 50, 52 on which the ventilation system 36 is adapted to respectively create air flows. air 54, 56 descending and ascending respectively.

Avantageusement, le système de ventilation 36 est également adapté pour créer deux flux d'air 58, 60 transversaux, dirigés l'un vers l'autre, sensiblement le long du plancher 18. Avantageusement, le système de ventilation 36 est également adapté pour créer deux flux d'air 62, 64 transversaux, dirigés l'un vers l'autre, le long du plafond 22.Advantageously, the ventilation system 36 is also suitable for creating two transverse air flows 58, 60, directed towards one another, substantially along the floor 18. Advantageously, the ventilation system 36 is also suitable for creating two transverse air flows 62, 64, directed towards each other, along the ceiling 22.

Le système de ventilation 36 est avantageusement masqué par la pluralité 32 d'organes d'habillage d'une manière connue en soi.The ventilation system 36 is advantageously masked by the plurality 32 of covering members in a manner known per se.

La trémie 30 a par exemple une forme rectangulaire en vue selon la direction d'élévation V. La trémie 30 est avantageusement entourée au moins partiellement par une balustrade 66.The hopper 30 has for example a rectangular shape when viewed in the direction of elevation V. The hopper 30 is advantageously surrounded at least partially by a balustrade 66.

La trémie 30 est transversalement adjacente à la paroi latérale 24. Dit autrement, la trémie 30 est plus proche de la paroi latérale 24 que de la paroi latérale 26. Par exemple, la trémie 30 se situe à moins de 50 cm de la paroi latérale 24. Avantageusement, la trémie 30 ne s'étend pas au-delà du plan médian P vers la paroi latérale 26.Hopper 30 is transversely adjacent to side wall 24. Stated another way, hopper 30 is closer to side wall 24 than side wall 26. For example, hopper 30 is less than 50 cm from side wall. 24. Advantageously, the hopper 30 does not extend beyond the median plane P towards the side wall 26.

La balustrade 66 comprend par exemple une portion 68 située du côté opposé à la paroi latérale 24 par rapport à la trémie 30 selon la direction transversale T.The balustrade 66 comprises for example a portion 68 located on the side opposite the side wall 24 with respect to the hopper 30 in the transverse direction T.

La portion 68 de la balustrade est par exemple sensiblement perpendiculaire à la direction transversale T.The portion 68 of the balustrade is for example substantially perpendicular to the transverse direction T.

Comme visible sur la figure 2, l'organe d'habillage 34 est fixé sur la paroi latérale 24 et s'étend depuis la première zone 38 jusqu'à la deuxième zone selon la direction d'élévation V. L'organe d'habillage 34 fait saillie transversalement par rapport à la première zone 38 et à la deuxième zone 42. L'organe d'habillage présente avantageusement une extension transversale E mesurée depuis la paroi latérale 24, par exemple comprise entre 5 cm et 35 cm.As visible on the figure 2 , the covering member 34 is fixed to the side wall 24 and extends from the first zone 38 to the second zone in the direction of elevation V. The covering member 34 projects transversely with respect to the first zone 38 and to the second zone 42. The covering member advantageously has a transverse extension E measured from the side wall 24, for example between 5 cm and 35 cm.

L'organe d'habillage 34 définit une première surface de guidage 70 adaptée pour dévier le premier flux d'air 40 et former un troisième flux d'air 72 situé au-dessus du plancher 20 et orienté sensiblement transversalement. L'organe d'habillage définit aussi une deuxième surface de guidage 74 adaptée pour dévier le deuxième flux d'air 44 et former un quatrième flux d'air 76 situé en dessous du plancher 20 et orienté sensiblement transversalement.The covering member 34 defines a first guide surface 70 adapted to deflect the first air flow 40 and form a third air flow 72 located above the floor 20 and oriented substantially transversely. The covering member also defines a second guide surface 74 adapted to deflect the second air flow 44 and form a fourth air flow 76 located below the floor 20 and oriented substantially transversely.

Successivement selon la direction d'élévation V, l'organe d'habillage 34 comprend une partie supérieure 78 adjacente à la première zone 38 et définissant la première surface de guidage 70, une partie intermédiaire 80, et une partie inférieure 82 adjacente à la deuxième zone 42 et définissant la deuxième surface de guidage 74.Successively in the direction of elevation V, the covering member 34 comprises an upper part 78 adjacent to the first zone 38 and defining the first guide surface 70, an intermediate part 80, and a lower part 82 adjacent to the second zone 42 and defining the second guide surface 74.

L'organe d'habillage 34 s'étend avantageusement le long des fenêtres 46, 48 dans la direction longitudinale L. En variante, il s'étend longitudinalement le long de plusieurs fenêtres.The covering member 34 advantageously extends along the windows 46, 48 in the longitudinal direction L. As a variant, it extends longitudinally along several windows.

L'organe d'habillage 34 présente par exemple une forme générale rectangulaire en vue selon la direction transversale T.The covering member 34 has for example a generally rectangular shape when viewed in the transverse direction T.

L'organe d'habillage 34 est adapté pour que le troisième flux d'air 72 soit dirigé vers une moitié supérieure de la portion 68 de la balustrade 66. Selon une variante non représentée, l'organe d'habillage est configuré pour que le troisième flux d'air soit dirigé au-dessus de la balustrade 66.The covering member 34 is adapted so that the third air flow 72 is directed towards an upper half of the portion 68 of the balustrade 66. According to a variant not shown, the covering member is configured so that the third air flow is directed above the balustrade 66.

Dans l'exemple représenté, la première surface de guidage 70 et la deuxième surface de guidage 74 comprennent respectivement des surfaces proximales 84, 86 par rapport à la paroi latérale 24 selon la direction transversale T, les surfaces proximales étant concaves.In the example shown, the first guide surface 70 and the second guide surface 74 respectively comprise surfaces proximal 84, 86 relative to the side wall 24 in the transverse direction T, the proximal surfaces being concave.

Selon une variante non représentée, seule l'une des surfaces de guidage comprend une telle surface proximale concave.According to a variant not shown, only one of the guide surfaces comprises such a concave proximal surface.

La première surface de guidage 70 et la deuxième surface de guidage 74 comprennent respectivement des méplats 88, 90 sensiblement parallèles à la direction transversale T.The first guide surface 70 and the second guide surface 74 respectively comprise flats 88, 90 substantially parallel to the transverse direction T.

Selon une variante non représentée, seule l'une des surfaces de guidage comprend un tel méplat.According to a variant not shown, only one of the guide surfaces comprises such a flat.

La première surface de guidage et la deuxième surface de guidage comprennent respectivement des surfaces distales 92, 94 par rapport à la paroi latérale 24 selon la direction transversale T, les surfaces distales formant respectivement des becs en saillie par rapport à la partie intermédiaire 80 selon la direction transversale T.The first guide surface and the second guide surface respectively comprise surfaces 92, 94 distal to the side wall 24 according to the figure. transverse direction T, the distal surfaces respectively forming beaks projecting relative to the intermediate part 80 in the transverse direction T.

Selon une variante non représentée, seule l'une des surfaces de guidage forme un tel bec.According to a variant not shown, only one of the guide surfaces forms such a spout.

Selon une autre variante non représentée, l'une et/ou l'autre des surfaces distales 92, 94 sont arrondies autour de la direction longitudinale L et ne forment pas un bec.According to another variant not shown, one and / or the other of the distal surfaces 92, 94 are rounded around the longitudinal direction L and do not form a beak.

La partie intermédiaire 80 définit par exemple une surface 96 sensiblement plane reliant la première surface de guidage 70 à la deuxième surface de guidage 74.The intermediate part 80 defines for example a substantially planar surface 96 connecting the first guide surface 70 to the second guide surface 74.

Le fonctionnement du véhicule 10 se déduit de sa structure et va maintenant être brièvement expliqué.The operation of the vehicle 10 is deduced from its structure and will now be briefly explained.

L'organe d'habillage 34 est adapté pour que le troisième flux d'air 72 soit dirigé vers une moitié supérieure de la portion 68 de la balustrade 66.The covering member 34 is adapted so that the third air flow 72 is directed towards an upper half of the portion 68 of the balustrade 66.

Selon une variante non représentée, l'organe d'habillage est configuré pour que le troisième flux d'air soit dirigé au-dessus de la balustrade 66.According to a variant not shown, the covering member is configured so that the third air flow is directed above the balustrade 66.

Lorsque le véhicule 10 est en fonctionnement, le système de ventilation 36 crée le premier flux d'air 40 qui descend le long de la fenêtre 46, le deuxième flux d'air 44, qui remonte le long de la fenêtre 48, ainsi que les autres flux d'air 54, 56, 58, 60, 62 et 64.When the vehicle 10 is in operation, the ventilation system 36 creates the first air flow 40 which descends along the window 46, the second air flow 44, which rises along the window 48, as well as the air flow. other air streams 54, 56, 58, 60, 62 and 64.

En l'absence de l'organe d'habillage 34, il y aurait un risque que le premier flux d'air 40 poursuive sa course descendante à travers la trémie 30, en croisant le deuxième flux d'air 44 qui poursuivrait sa course ascendante à travers la trémie. Ceci créerait une circulation anarchique des flux d'air, dans laquelle les réglages, notamment de température, souhaités pour la salle haute 14 se communiqueraient à la salle basse 16, et inversement. L'organe d'habillage 34 est adapté pour empêcher une telle circulation anarchique.In the absence of the covering member 34, there would be a risk that the first air flow 40 would continue its downward stroke through the hopper 30, crossing the second air flow 44 which would continue its upward stroke. through the hopper. This would create an anarchic circulation of air flows, in which the settings, in particular temperature, desired for the upper room 14 would be communicated to the lower room 16, and vice versa. The covering member 34 is adapted to prevent such an anarchic circulation.

En effet, la première surface de guidage 70 dévie le premier flux d'air 40 et forme le troisième flux d'air 72 orienté transversalement. De même, la deuxième surface de guidage 74 dévie le deuxième flux d'air 44 et forme le quatrième flux d'air 76 également orienté transversalement et situé sous le plancher 20.Indeed, the first guide surface 70 deflects the first air flow 40 and forms the third air flow 72 oriented transversely. Likewise, the second guide surface 74 deflects the second air flow 44 and forms the fourth air flow 76 also oriented transversely and located under the floor 20.

Ainsi, le quatrième flux d'air 76 reste très majoritairement dans la salle basse 16. Le quatrième flux d'air 76 est dévié par exemple vers le bas (flèche F1) sur la figure 1 lorsqu'il rencontre un flux (flèche F2) issu de la déviation du flux d'air 56 par le plancher 20.Thus, the fourth air flow 76 remains overwhelmingly in the lower room 16. The fourth air flow 76 is diverted for example downward (arrow F1) on the. figure 1 when it encounters a flow (arrow F2) resulting from the deflection of the air flow 56 by the floor 20.

Les flux d'air 58, 60, en se rencontrant, remontent (flèches F3, F4) et ne peuvent pas franchir la trémie 30 en raison des flux opposés matérialisés par les flèches F1 et F2.The air flows 58, 60, on meeting, go up (arrows F3, F4) and cannot cross the hopper 30 because of the opposite flows materialized by the arrows F1 and F2.

Dans la salle haute 14, le troisième flux d'air 72 vient buter sur la portion 68 de la balustrade 66. En raison de la présence du quatrième flux d'air 76 et du flux matérialisé par la flèche F1, le troisième flux d'air 72 se dirige très majoritairement vers le haut et reste donc dans la salle haute 14.In the upper room 14, the third air flow 72 abuts on the portion 68 of the balustrade 66. Due to the presence of the fourth air flow 76 and the flow materialized by the arrow F1, the third air flow. air 72 is mainly directed upwards and therefore remains in the upper room 14.

Selon une variante non représentée, le troisième flux d'air 72 passe directement au-dessus de la balustrade 66.According to a variant not shown, the third air flow 72 passes directly above the balustrade 66.

Le flux d'air 54 descend le long de la fenêtre 50 et forme un rouleau (flèches F5 et F6). Le flux d'air 54 finit par remonter le long de la balustrade 66.The air flow 54 descends along the window 50 and forms a roll (arrows F5 and F6). The air flow 54 ends up going up along the balustrade 66.

Les flux d'air 62, 64 se rencontrent et descendent. Toutefois, ces flux descendants ne traversent pas la trémie 30 en direction de la salle basse 16 en raison de la présence de flux d'air contraires issus du troisième flux d'air 72 et du flux représenté par la flèche F6.The air streams 62, 64 meet and descend. However, these descending flows do not pass through the hopper 30 in the direction of the lower room 16 due to the presence of contrary air flows coming from the third air flow 72 and the flow represented by the arrow F6.

Plus précisément, comme visible sur la figure 2, les surfaces proximales 84, 86 servent à décoller respectivement le premier flux d'air 40 et le deuxième flux d'air 44 de la première zone 38 et de la deuxième zone 42. Les méplats 88, 90 donnent leurs directions respectivement aux troisième flux d'air 72 et au quatrième flux d'air 76. Avantageusement, les becs formés par les surfaces distales 92, 94 permettent une focalisation du troisième flux d'air 72 et du quatrième flux d'air 76 et évitent qu'une partie de ces flux diffuse vers la trémie 30.More precisely, as visible on the figure 2 , the proximal surfaces 84, 86 serve to take off respectively the first air flow 40 and the second air flow 44 from the first zone 38 and from the second zone 42. The flats 88, 90 give their directions respectively to the third flows air 72 and the fourth air flow 76. Advantageously, the nozzles formed by the distal surfaces 92, 94 allow a focusing of the third air flow 72 and the fourth air flow 76 and avoid that part of the air flow. these flows diffuse towards the hopper 30.

Grâce aux caractéristiques décrites ci-dessus, notamment la présence de l'organe d'habillage 34 agissant comme un déflecteur, une circulation anarchique des flux d'air est limitée, voire évitée entre la salle haute 14 et la salle basse 16. Ainsi, les réglages de température de ces salles sont préservés. Le confort thermique des voyageurs est amélioré.Thanks to the characteristics described above, in particular the presence of the covering member 34 acting as a deflector, an anarchic circulation of air flows is limited, or even avoided between the upper room 14 and the lower room 16. Thus, the temperature settings of these rooms are preserved. The thermal comfort of travelers is improved.

En outre, l'organe d'habillage 34, grâce à son extension transversale E réduite, est peu encombrant et ne gêne pas les voyageurs lorsqu'ils empruntent l'escalier 28.In addition, the covering member 34, thanks to its reduced transverse extension E, is compact and does not bother travelers when they take the stairs 28.

De plus, l'organe d'habillage, avantageusement constitué d'une seule pièce, s'installe facilement et est peu onéreux. Avantageusement, il ne nécessite pas d'adaptation particulière des autres parties du véhicule 10.In addition, the covering member, advantageously made up of a single piece, is easy to install and is inexpensive. Advantageously, it does not require any particular adaptation of the other parts of the vehicle 10.

Claims (10)

Véhicule (10), notamment ferroviaire, comprenant: - une salle haute (14) et une salle basse (16) respectivement pour des voyageurs, - au moins une paroi latérale (24) comprenant au moins une première zone (38) située dans la salle haute (14), et au moins une deuxième zone (42) située dans la salle basse (16), - un système de ventilation (36) adapté pour créer au moins un premier flux d'air (40) descendant le long de la première zone (38), et au moins un deuxième flux d'air (44) montant le long de la deuxième zone (42), - un plancher (20) de la salle haute (14) définissant au moins une trémie (30) adjacente à la paroi latérale (24) selon une direction transversale (T) sensiblement parallèle au plancher (20), - au moins un escalier (28) de passage des voyageurs entre la salle basse (16) et la salle haute (14) via la trémie (30), et - au moins un organe d'habillage (34) fixé sur la paroi latérale (24) entre la première zone (38) et la deuxième zone (42) selon une direction d'élévation (V) sensiblement perpendiculaire au plancher (20), l'organe d'habillage (34) faisant saillie transversalement par rapport à la première zone (38) et à la deuxième zone (42), l'organe d'habillage (34) définissant une première surface de guidage (70) adaptée pour dévier le premier flux d'air (40) et former un troisième flux d'air (72) situé au-dessus du plancher (20) et orienté sensiblement transversalement, l'organe d'habillage (34) définissant une deuxième surface de guidage (74) configurée pour dévier le deuxième flux d'air (44) et former un quatrième flux d'air (76) situé en-dessous du plancher (20) et orienté sensiblement transversalement. Vehicle (10), in particular rail, comprising: - an upper room (14) and a lower room (16) respectively for travelers, - at least one side wall (24) comprising at least a first zone (38) located in the upper room (14), and at least one second zone (42) located in the lower room (16), - a ventilation system (36) adapted to create at least a first air flow (40) descending along the first zone (38), and at least a second air flow (44) ascending along the second zone (42), - a floor (20) of the upper room (14) defining at least one hopper (30) adjacent to the side wall (24) in a transverse direction (T) substantially parallel to the floor (20), - at least one staircase (28) for passenger passage between the lower room (16) and the upper room (14) via the hopper (30), and - at least one covering member (34) fixed to the side wall (24) between the first zone (38) and the second zone (42) in an elevation direction (V) substantially perpendicular to the floor (20), the covering member (34) projecting transversely with respect to the first zone (38) and to the second zone (42), the covering member (34) defining a first guide surface (70) adapted to deflect the first air flow (40) and form a third air flow (72) located above the floor (20) and oriented substantially transversely, the covering member (34) defining a second guide surface (74) configured to deflect the second air flow (44) and form a fourth air flow (76) located below the floor (20) and oriented substantially transversely. Véhicule (10) selon la revendication 1, comprenant en outre une balustrade (66) de protection des voyageurs, la balustrade (66) comportant au moins une portion (68) située du côté opposé à la paroi latérale (24) par rapport à la trémie (30) selon la direction transversale (T), l'organe d'habillage (34) étant configuré pour que le troisième flux d'air (72) soit dirigé vers une moitié supérieure de ladite portion (68) de la balustrade (66), ou au-dessus de ladite balustrade (66).Vehicle (10) according to claim 1, further comprising a railing (66) for protecting passengers, the railing (66) comprising at least one portion (68) located on the side opposite the side wall (24) with respect to the hopper (30) in the transverse direction (T), the covering member (34) being configured so that the third air flow (72) is directed towards an upper half of said portion (68) of the balustrade ( 66), or above said balustrade (66). Véhicule (10) selon la revendication 1 ou 2, dans lequel la première zone (38) comprend au moins une fenêtre (46) vitrée et/ou la deuxième zone (42) comprend au moins une fenêtre (48) vitrée.Vehicle (10) according to claim 1 or 2, in which the first zone (38) comprises at least one glazed window (46) and / or the second zone (42) comprises at least one glazed window (48). Véhicule (10) selon l'une quelconque des revendications 1 à 3, dans lequel l'organe d'habillage (34) comprend une partie supérieure (78) adjacente à la première zone (38) et définissant la première surface de guidage (70), une partie inférieure (82) adjacente à la deuxième zone (42) et définissant la deuxième surface de guidage (74), et une partie intermédiaire (80) située entre la partie supérieure (78) et la partie inférieure (82) selon la direction d'élévation (V).Vehicle (10) according to any one of claims 1 to 3, in which the trim member (34) comprises an upper part (78) adjacent to the first zone (38) and defining the first guide surface (70 ), a lower part (82) adjacent to the second zone (42) and defining the second guide surface (74), and an intermediate part (80) located between the upper part (78) and the lower part (82) according to the direction of elevation (V). Véhicule (10) selon la revendication 4, dans lequel l'une et/ou l'autre de première surface de guidage (70) et de la deuxième surface de guidage (74) comprennent respectivement des surfaces proximales (84, 86) par rapport à la paroi latérale (24) selon la direction transversale (T), les surfaces proximales (84, 86) étant concaves.A vehicle (10) according to claim 4, wherein one and / or the other of the first guide surface (70) and of the second guide surface (74) respectively comprise surfaces proximal (84, 86) to to the side wall (24) in the transverse direction (T), the proximal surfaces (84, 86) being concave. Véhicule (10) selon l'une quelconque des revendications 4 ou 5, dans lequel l'une et/ou l'autre de première surface de guidage (70) et de la deuxième surface de guidage (74) comprennent respectivement des méplats (88, 90) sensiblement parallèles à la direction transversale (T).Vehicle (10) according to any one of claims 4 or 5, wherein one and / or the other of the first guide surface (70) and of the second guide surface (74) respectively comprise flats (88 , 90) substantially parallel to the transverse direction (T). Véhicule (10) selon l'une quelconque des revendications 4 à 6, dans lequel l'une et/ou l'autre de première surface de guidage (70) et de la deuxième surface de guidage (74) comprennent respectivement des surfaces distales (92, 94) par rapport à la paroi latérale (24) selon la direction transversale (T), les surfaces distales (92, 94) formant respectivement des becs en saillie par rapport à la partie intermédiaire (80) selon la direction transversale (T).A vehicle (10) according to any one of claims 4 to 6, wherein one and / or the other of the first guide surface (70) and the second guide surface (74) respectively comprise distal surfaces ( 92, 94) relative to the side wall (24) in the transverse direction (T), the distal surfaces (92, 94) respectively forming protruding nozzles with respect to the intermediate part (80) in the transverse direction (T ). Véhicule (10) selon l'une quelconque des revendications 4 à 6, dans lequel l'une et/ou l'autre de première surface de guidage (70) et de la deuxième surface de guidage (74) comprennent respectivement des surfaces distales (92, 94) par rapport à la paroi latérale (24) selon la direction transversale (T), les surfaces distales (92, 94) étant arrondies.A vehicle (10) according to any one of claims 4 to 6, wherein one and / or the other of the first guide surface (70) and the second guide surface (74) respectively comprise distal surfaces ( 92, 94) relative to the side wall (24) in the transverse direction (T), the distal surfaces (92, 94) being rounded. Véhicule (10) selon l'une quelconque des revendications 4 à 8, dans lequel la partie intermédiaire (80) définit une surface sensiblement plane reliant la première surface de guidage (70) à la deuxième surface de guidage (74).A vehicle (10) according to any one of claims 4 to 8, wherein the intermediate portion (80) defines a substantially planar surface connecting the first guide surface (70) to the second guide surface (74). Véhicule (10) selon l'une quelconque des revendications 1 à 9, dans lequel l'organe d'habillage (34) présente une extension transversale (E) mesurée depuis la paroi latérale (24), l'extension transversale (E) étant comprise entre 5 cm et 35 cm.Vehicle (10) according to any one of claims 1 to 9, wherein the trim member (34) has a transverse extension (E) measured from the side wall (24), the transverse extension (E) being between 5 cm and 35 cm.
EP20201457.7A 2019-10-14 2020-10-13 Vehicle, in particular a railway vehicle, comprising a trim member for air deflector Active EP3808628B1 (en)

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FR1911397A FR3101839B1 (en) 2019-10-14 2019-10-14 Vehicle, particularly railway, comprising an air deflector trim member

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CN113266258A (en) * 2021-06-09 2021-08-17 中车太原机车车辆有限公司 Sealed door of railway hopper car and hopper car

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EP3257716A1 (en) * 2016-06-16 2017-12-20 ALSTOM Transport Technologies Ventilation system of railway vehicle platform and associated car

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KR20140050452A (en) * 2012-10-19 2014-04-29 한국철도기술연구원 Double deck railway vehicle with air circulation function
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CN115123328B (en) * 2022-07-29 2023-12-22 中车唐山机车车辆有限公司 Carriage and rail vehicle

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FR3101839B1 (en) 2021-10-22
ES2919145T3 (en) 2022-07-22
EP3808628B1 (en) 2022-04-13
FR3101839A1 (en) 2021-04-16

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