WO2018115664A1 - Frame for transport vehicle - Google Patents
Frame for transport vehicle Download PDFInfo
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- WO2018115664A1 WO2018115664A1 PCT/FR2017/053620 FR2017053620W WO2018115664A1 WO 2018115664 A1 WO2018115664 A1 WO 2018115664A1 FR 2017053620 W FR2017053620 W FR 2017053620W WO 2018115664 A1 WO2018115664 A1 WO 2018115664A1
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- Prior art keywords
- chassis
- module
- vehicle
- frame
- main
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D31/00—Superstructures for passenger vehicles
- B62D31/02—Superstructures for passenger vehicles for carrying large numbers of passengers, e.g. omnibus
- B62D31/025—Superstructures for passenger vehicles for carrying large numbers of passengers, e.g. omnibus having modular sections
Definitions
- Chassis for transport vehicle Chassis for transport vehicle
- the present invention relates to the field of vehicle chassis and more particularly or field chassis for passenger vehicle transport or goods.
- the chassis In the context of a transport vehicle, the chassis is adapted to support, on the one hand, the motor elements of the vehicle and, on the other hand, the freight. Conventionally, the chassis is positioned close to the wheels of the vehicle to allow a distribution of the weight facilitated between all the elements carried by the vehicle and the wheels in contact with the ground.
- vehicles have been developed to position the motor elements in a space installed at one end of the vehicle as is the case in bus-type vehicles. Nevertheless, by improving accessibility to the loading surface of the vehicle, the volume of the space that can be used for transport is considerably restricted. In addition, the load borne by the axle at the end of the vehicle is considerably increased.
- twin wheels Moreover, in the context of operation of the vehicle in twin wheels, the volume of space imposed by these twin wheels imposes an accessible floor area in the passenger compartment which is significantly restricted.
- the present invention aims to overcome this drawback by proposing a solution that allows the realization of vehicle authorizing a loading height low enough that the accessibility to the vehicle is facilitated while impacting in a limited way the usable volume for transport.
- the subject of the invention is a chassis for a transport vehicle comprising a passenger compartment, characterized in that this chassis comprises at least:
- a main body which comprises a rigid support frame positioned in the upper part of the passenger compartment of the vehicle,
- the chassis being made by at least:
- main module providing a first portion of the passenger compartment of the vehicle and at least part of the ceiling of the main module forming part of the rigid frame of the main body, the main module comprising at least one opening at one of its ends,
- FIG. 1 is the schematic representation of a first example of construction of a chassis for a vehicle according to the invention
- FIG. 2 is a diagrammatic representation of a second example of construction of a vehicle chassis according to the invention in which the rigid frame is made in two parts,
- FIG. 3 is the schematic representation of the second example of construction of a vehicle chassis according to the invention in which each part of the rigid frame is associated with a bottom
- - Figure 4 is a schematic representation of a third example of construction of a vehicle chassis according to the invention wherein the main body is made by the single main module.
- the invention relates to a chassis for a transport vehicle comprising a passenger compartment, characterized in that this chassis comprises at least:
- a main body 1 which comprises a rigid support frame 2 positioned in the upper part of the passenger compartment of the vehicle,
- At least a substantially vertical upright 3 associated with the main body and positioned at the periphery of the passenger compartment of the vehicle,
- the chassis being made by at least:
- a main module 4 providing a first portion of the passenger compartment of the vehicle and at least part of the ceiling of the main module 4 forms part of the rigid frame 2 of the main body 1, the main module 4 comprising at least one opening 6 to one of its ends,
- a secondary module 5 providing a second portion of the passenger compartment of the vehicle and comprising at least one opening 7 of dimensions substantially corresponding to those of the end opening 6 of the main module 4 so that an association of the main module 4 and the secondary module 5 is made at these openings 6, 7,
- Such a frame which comprises a support structure disposed in the upper part of the vehicle makes it possible to position the various heavy and bulky elements above the passenger compartment, and thus to limit the space constraints imposed by these elements. .
- the chassis of the invention also makes it possible to support the motor means and / or the energy storage means by positioning them at a level which is not binding for loading and accessibility to the transport volume. Maintaining the rigid frame 2 in the upper position of the passenger compartment is facilitated by one or more vertical uprights 3 fixed to the main body 1 by their upper ends so as to form a junction with the rigid support frame 2. The positioning of these uprights 3 at the periphery of the passenger compartment of the vehicle allows:
- the uprights 3 are at least positioned to interact with the different ends of the module. According to a feature of this preferred construction, the uprights 3 are at least positioned at the different corners of the main module 4.
- the positioning of the uprights 3 on the periphery of the passenger compartment can be arbitrarily made according to the desired spacings between the uprights 3 to position therein visual openings or passage openings.
- a chassis in several self-supporting modules associated and cooperating allows for easy assembly and assembly of the chassis of a vehicle while maintaining adaptability of the complete structure from chassis to the length of the final vehicle as well as to the particularities of certain portions of the vehicle: articular part, end part, etc. It is thus necessary to understand the secondary module 5 as being able to relate to a module other than the main module 4 and likely to be associated with it.
- the secondary modules 5 can thus be made by an end module or a gangway module allowing articulation between two portions of the passenger compartment of the vehicle.
- the association between the main module 4 and the secondary module 5 is made directly or indirectly, for example by means of a bellows.
- the main module 4 has larger dimensions than those of the secondary module 5.
- the dimensions of the openings 6, 7 of the modules, principal 4 and secondary 5, are adapted to allow at least the movement of a user between the different portions of the passenger compartment defined by each of these modules.
- the chassis of the vehicle is not only made by two modules, but is made by a main module 4 and two secondary modules 5 positioned at the respective ends of the main module 4.
- the frame is characterized in that the secondary modules 5 positioned on either side of the main module 4 have similar structures of substantially identical dimensions and define respective portions of customizable interiors.
- the identical dimensioning of these secondary modules 5, on the one hand, allows their interchangeability and, on the other hand, allows to take advantage of the construction of a single type of structure for the realization of two different secondary modules 5.
- the respective structures of these two secondary modules 5 which participate in the realization of the frame include different fixing points for the positioning of secondary structural elements adapted to customize each of these secondary modules 5 according to their respective functionalities.
- the frame also comprises a structural reinforcement 10 made by at least a part of a secondary module 5 assembled to the main module 4.
- this structural reinforcement 10 may be formed by at least a portion of a secondary module 5 positioned on the periphery of the opening 7 of the secondary module 5.
- the structural reinforcement 10 can be made by all or part of the frame of the opening 7 of the secondary module 5. This structural reinforcement 10 thus participates in a reinforcement of the part of the frame made by the main module 4 and in particular by an end of the main body 1 possibly associated with a pair of uprights 3 vertical.
- the rigid support frame 2 of the main body 1 is made by part of the ceiling of the main module 4 and at least part of the ceiling of at least one secondary module 5.
- the rigid frame 2 performs a continuous support structure which passes through several modules 4, 5 assembled.
- this rigid frame 2 is made by several sub-elements 2a, 2b respectively producing at least part of the ceilings of the different modules, main 4 and secondary 5.
- These different sub-elements 2a, 2b each comprise an interface allowing their assembly to achieve the entire structure of a rigid frame 2 forming at least a portion of the main body 1 of the frame.
- the upper part of the secondary module 5 participates, with the main module 4, the support of motor means and / or energy storage means, this secondary module 4 can be a module positioned at the end of the frame of the vehicle.
- the main body 1 of the chassis comprises at least one substantially plane bottom 8 arranged to form a structure adapted to receive at least one energy storage unit and / or a motor unit.
- This bottom 8 can be made in the form of a solid structure such as a plate mounted, fixed or associated with the rigid frame 2. According to a construction alternative, this bottom 8 can be made in the form of a perforated structure or a grid with a mesh. It should be noted that the bottom 8 can be made by a single structure fixed or integrated to all or part of the rigid frame 2. Alternatively, the bottom 8 can be made by several structures respectively fixed or integrated at different parts of the rigid frame 2, for example at the level of respective sub-elements 2a, 2b of the rigid frame 2. Similarly, the bottom 8 can also provide a fixed or integrated structure at the level of secondary modules 4 module positioned at the end of the chassis of the vehicle so as to there also realize a housing adapted to receive at least one energy storage unit and / or a motor unit.
- this rigid frame 2 produces a structure which comprises transverse structural means 2c connecting two opposite sides of the frame 2 to reinforce the structure of the frame.
- these transverse structural means are arranged to be positioned at portions of the main body 1 for supporting heavier elements.
- the chassis is characterized in that the lower end of the uprights 3 is fixed to a peripheral frame, all or part of which is associated with a floor 9 of the passenger compartment.
- the peripheral frame makes a junction of the lower ends of the various uprights 3, this junction serving as a point of attachment of all or part of the floor 9.
- the floor 9 and the peripheral frame are made by the same and unique structure .
- the frame is characterized in that the usable surface of the inner floor 9 of the main module 4 is equivalent to the surface of the main module 4 in a horizontal plane.
- the uprights 3 are arranged on the periphery of the passenger compartment so that the frame surrounds the passenger compartment of the vehicle without crossing to maintain the rigid support frame 2 of the main body 1 above the passenger compartment.
- the passenger compartment of the vehicle thus has no column or post positioned within its volume, the transfer of force from the rigid support frame 2 downwardly from the chassis then takes place only at the periphery of the vehicle. cockpit allowing an optimization of the usable volume of the cockpit.
- the chassis is characterized in that the interior floors associated with each of the parts of the chassis are accessible to passengers transported. According to this construction configuration, the optimization of the accessible surface of the passenger compartment is carried out for each of the modules, main 4 and secondary 5, of the chassis. Complementarily, the interior floors of each of the modules, main 4 and secondary 5, are positioned at an equivalent level.
- the chassis is characterized in that at least one secondary module 5 interacts with at least one wheel axle.
- at least one secondary module 5 interacts with at least one wheel axle.
- a portion positioned at the end of the frame is arranged to interact with a wheel axle.
- This particular arrangement makes it possible to limit the positioning of wheels at the central portion of the chassis and thus to release this portion for the installation of an opening allowing access to the passenger compartment in the context, for example, of a transport of passengers.
- at least one of the axles of the vehicle is associated with a steering system for pivoting each of the wheels of the axle about a respective vertical axis.
- At least a portion of the passenger compartment positioned at one end of the chassis comprises a driving station incorporating at least one steering control member of at least one axle of the vehicle. This end can be located at the front or rear of the chassis.
- At least a portion of the passenger compartment positioned at one end is associated with a drive motor means of the axle associated with the end module.
- the invention also relates to a vehicle incorporating a chassis according to the invention.
- the vehicle its chassis is associated with the vehicle wheels via a suspension mechanism, so that the interior floors of at least two modules of the chassis are arranged to be translated vertically while maintaining the floors in a horizontal plane.
- This particular construction makes it possible to operate a level alignment of the floor of the level vehicle with the edge of the boarding station for passengers or items to be transported.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Vehicle Step Arrangements And Article Storage (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The present invention relates to a frame for a transport vehicle comprising a passenger compartment, characterised in that said frame comprises at least: a main body (1) which comprises a supporting rigid frame (2) positioned in the upper portion of the passenger compartment of the vehicle; at least one substantially vertical post (3) connected with the main body and positioned at the periphery of the passenger compartment of the vehicle, the frame being made up of at least: a main module (4) forming a first portion of the passenger compartment of the vehicle and in which at least one portion of the ceiling of the main module (4) is part of the rigid frame (2) of the main body (1), the main module (4) comprising at least one opening (6) at one of the ends thereof; a secondary module (5) forming a second portion of the passenger compartment of the vehicle and comprising at least one opening (7) with dimensions substantially matching those of the end opening (6) of the main module (4) so that a connection of the main module (4) and the secondary module (5) is carried out at said openings (6, 7), each of the main (4) and secondary (5) modules, before assembling same, forming a self-supporting module.
Description
Châssis pour véhicule de transport Chassis for transport vehicle
La présente invention se rapporte au domaine des châssis pour véhicule et plus particulièrement ou domaine des châssis pour véhicule de transport de passager ou marchandise. The present invention relates to the field of vehicle chassis and more particularly or field chassis for passenger vehicle transport or goods.
Lors de la conception d'un véhicule, le châssis réalise la structure principale sur laquelle les différents éléments qui participent à la réalisation du véhicule sont, par la suite, montés et fixés. La structure du châssis et les portions renforcées de celui-ci impactent notamment la construction et l'agencement final du véhicule en conditionnant la répartition de différents éléments en fonction de leurs volumes et leur poids respectifs. When designing a vehicle, the chassis realizes the main structure on which the various elements involved in the realization of the vehicle are subsequently mounted and fixed. The structure of the chassis and the reinforced portions thereof impact in particular the construction and the final arrangement of the vehicle by conditioning the distribution of different elements according to their respective volumes and weights.
Dans le cadre d'un véhicule de transport, le châssis est adapté pour supporter, d'une part, les éléments moteurs du véhicule et, d'autre part, le fret. Classiquement, le châssis est positionné à proximité des roues du véhicule pour permettre une répartition du poids facilitée entre l'ensemble des éléments portés du véhicule et les roues en contact avec le sol. In the context of a transport vehicle, the chassis is adapted to support, on the one hand, the motor elements of the vehicle and, on the other hand, the freight. Conventionally, the chassis is positioned close to the wheels of the vehicle to allow a distribution of the weight facilitated between all the elements carried by the vehicle and the wheels in contact with the ground.
Cependant, dans un véhicule de transport, ce châssis associé aux éléments et mécanismes les plus lourds notamment ceux en lien avec les moteurs et les essieux de roulement, occupent un volume important qui restreint l'accessibilité en imposant une hauteur minimale pour le chargement de passagers ou de fret. Pour contourner ce problème, des véhicules ont été développés pour positionner les éléments moteurs dans un espace installé à une extrémité du véhicule comme c'est le cas dans les véhicules de type autobus. Néanmoins, en améliorant l'accessibilité à la surface de chargement du véhicule, le volume de l'espace exploitable pour le transport se trouve considérablement restreint. De plus, la charge supportée par l'essieu situé à l'extrémité du véhicule se trouve considérablement augmentée. However, in a transport vehicle, this chassis associated with the heaviest elements and mechanisms, particularly those related to the engines and the rolling axles, occupy a large volume which restricts accessibility by imposing a minimum height for the loading of passengers. or freight. To circumvent this problem, vehicles have been developed to position the motor elements in a space installed at one end of the vehicle as is the case in bus-type vehicles. Nevertheless, by improving accessibility to the loading surface of the vehicle, the volume of the space that can be used for transport is considerably restricted. In addition, the load borne by the axle at the end of the vehicle is considerably increased.
Par ailleurs, dans le cadre d'un fonctionnement du véhicule en roues jumelées, le volume d'encombrement imposé par ces roues jumelées impose une surface au sol accessible dans l'habitacle qui s'en trouve restreinte de façon importante. Moreover, in the context of operation of the vehicle in twin wheels, the volume of space imposed by these twin wheels imposes an accessible floor area in the passenger compartment which is significantly restricted.
La présente invention a pour but de pallier cet inconvénient en proposant une solution qui permette la réalisation de véhicule autorisant une
hauteur de chargement suffisamment basse pour que l'accessibilité au véhicule soit facilité tout en impactant de façon limitée le volume exploitable pour le transport. The present invention aims to overcome this drawback by proposing a solution that allows the realization of vehicle authorizing a loading height low enough that the accessibility to the vehicle is facilitated while impacting in a limited way the usable volume for transport.
A cet effet, l'invention a pour objet un châssis pour véhicule de transport comprenant un habitacle, caractérisé en ce que ce châssis comprend au moins : For this purpose, the subject of the invention is a chassis for a transport vehicle comprising a passenger compartment, characterized in that this chassis comprises at least:
- d'une part, un corps principal qui comprend un cadre rigide de support positionné dans la partie supérieure de l'habitacle du véhicule, on the one hand, a main body which comprises a rigid support frame positioned in the upper part of the passenger compartment of the vehicle,
- d'autre part, au moins un montant sensiblement vertical associé au corps principal et positionné au niveau de la périphérie de l'habitacle du véhicule, - On the other hand, at least a substantially vertical amount associated with the main body and positioned at the periphery of the passenger compartment of the vehicle,
le châssis étant réalisé par au moins : the chassis being made by at least:
- un module principal réalisant une première portion de l'habitacle du véhicule et dont au moins une partie du plafond du module principal forme une partie du cadre rigide du corps principal, le module principal comprenant au moins une ouverture à une de ses extrémités, a main module providing a first portion of the passenger compartment of the vehicle and at least part of the ceiling of the main module forming part of the rigid frame of the main body, the main module comprising at least one opening at one of its ends,
- un module secondaire réalisant une seconde portion de l'habitacle du véhicule et comprenant au moins une ouverture de dimensions correspondant sensiblement à celles de l'ouverture d'extrémité du module principal de sorte qu'une association du module principal et du module secondaire soit réalisée au niveau de ces ouvertures, a secondary module producing a second portion of the passenger compartment of the vehicle and comprising at least one opening of dimensions substantially corresponding to those of the end opening of the main module so that an association of the main module and the secondary module is made at these openings,
chacun des modules, principal et secondaire, avant leur assemblage, réalisant un module autoporteur. each of the modules, main and secondary, before assembly, realizing a self-supporting module.
L'invention sera mieux comprise, grâce à la description ci- après, qui se rapporte à au moins un mode de réalisation préféré, donné à titre d'exemple non limitatif, et expliqué avec référence aux dessins schématiques annexés, dans lesquels : The invention will be better understood, thanks to the following description, which relates to at least one preferred embodiment, given by way of non-limiting example, and explained with reference to the attached schematic drawings, in which:
- la figure 1 est la représentation schématique d'un premier exemple de construction d'un châssis pour véhicule selon l'invention, FIG. 1 is the schematic representation of a first example of construction of a chassis for a vehicle according to the invention,
- la figure 2 est la représentation schématique d'un second exemple de construction d'un châssis pour véhicule selon l'invention dans lequel le cadre rigide est réalisé en deux parties, FIG. 2 is a diagrammatic representation of a second example of construction of a vehicle chassis according to the invention in which the rigid frame is made in two parts,
- la figure 3 est la représentation schématique du second exemple de construction d'un châssis pour véhicule selon l'invention dans lequel chaque partie du cadre rigide est associé à un fond,
- la figure 4 est la représentation schématique d'un troisième exemple de construction d'un châssis pour véhicule selon l'invention dans lequel le corps principal est réalisé par le seul module principal. FIG. 3 is the schematic representation of the second example of construction of a vehicle chassis according to the invention in which each part of the rigid frame is associated with a bottom, - Figure 4 is a schematic representation of a third example of construction of a vehicle chassis according to the invention wherein the main body is made by the single main module.
L'invention se rapporte à un châssis pour véhicule de transport comprenant un habitacle, caractérisé en ce que ce châssis comprend au moins : The invention relates to a chassis for a transport vehicle comprising a passenger compartment, characterized in that this chassis comprises at least:
- d'une part, un corps principal 1 qui comprend un cadre rigide 2 de support positionné dans la partie supérieure de l'habitacle du véhicule, - On the one hand, a main body 1 which comprises a rigid support frame 2 positioned in the upper part of the passenger compartment of the vehicle,
- d'autre part, au moins un montant 3 sensiblement vertical associé au corps principal et positionné au niveau de la périphérie de l'habitacle du véhicule, - On the other hand, at least a substantially vertical upright 3 associated with the main body and positioned at the periphery of the passenger compartment of the vehicle,
le châssis étant réalisé par au moins : the chassis being made by at least:
- un module principal 4 réalisant une première portion de l'habitacle du véhicule et dont au moins une partie du plafond du module principal 4 forme une partie du cadre rigide 2 du corps principal 1, le module principal 4 comprenant au moins une ouverture 6 à une de ses extrémités, a main module 4 providing a first portion of the passenger compartment of the vehicle and at least part of the ceiling of the main module 4 forms part of the rigid frame 2 of the main body 1, the main module 4 comprising at least one opening 6 to one of its ends,
- un module secondaire 5 réalisant une seconde portion de l'habitacle du véhicule et comprenant au moins une ouverture 7 de dimensions correspondant sensiblement à celles de l'ouverture 6 d'extrémité du module principal 4 de sorte qu'une association du module principal 4 et du module secondaire 5 soit réalisée au niveau de ces ouvertures 6, 7, a secondary module 5 providing a second portion of the passenger compartment of the vehicle and comprising at least one opening 7 of dimensions substantially corresponding to those of the end opening 6 of the main module 4 so that an association of the main module 4 and the secondary module 5 is made at these openings 6, 7,
chacun des modules, principal 4 et secondaire 5, avant leur assemblage, réalisant un module autoporteur. each of the modules, main 4 and secondary 5, before assembly, realizing a self-supporting module.
Il convient de comprendre que, dans le présent document, le terme « autoporteur » signifie que la stabilité de chacun des modules est assurée par la seule rigidité de leurs formes respectives. It should be understood that in this document the term "self-supporting" means that the stability of each of the modules is ensured by the mere rigidity of their respective shapes.
La réalisation d'un tel châssis qui comprend une structure de support disposée dans la partie supérieure du véhicule permet de positionner les différents éléments lourds et volumineux au-dessus de l'habitacle, et ainsi de restreindre les contraintes d'espace imposées par ces éléments. Le châssis de l'invention permet également de supporter les moyens moteurs et/ou les moyens de stockage d'énergie en les positionnant à un niveau qui n'est pas contraignant pour le chargement et l'accessibilité au volume de transport.
Le maintien du cadre rigide 2 en position supérieure de l'habitacle se trouve facilité grâce à un ou plusieurs montants 3 verticaux fixés au corps principal 1 par leurs extrémités supérieures de façon à réaliser une jonction avec le cadre rigide 2 de support. Le positionnement de ces montants 3 en périphérie de l'habitacle du véhicule permet : The realization of such a frame which comprises a support structure disposed in the upper part of the vehicle makes it possible to position the various heavy and bulky elements above the passenger compartment, and thus to limit the space constraints imposed by these elements. . The chassis of the invention also makes it possible to support the motor means and / or the energy storage means by positioning them at a level which is not binding for loading and accessibility to the transport volume. Maintaining the rigid frame 2 in the upper position of the passenger compartment is facilitated by one or more vertical uprights 3 fixed to the main body 1 by their upper ends so as to form a junction with the rigid support frame 2. The positioning of these uprights 3 at the periphery of the passenger compartment of the vehicle allows:
- d'une part, d'effectuer un transfert de forces le long des montants 3 du châssis entre les éléments supportés dans la partie supérieure et les roues du véhicule dans la partie inférieure en limitant ce transfert de force à la périphérie du véhicule et, on the one hand, effecting a transfer of forces along the frame uprights 3 between the elements supported in the upper part and the wheels of the vehicle in the lower part by limiting this transfer of force to the periphery of the vehicle and,
- d'autre part, de réaliser un volume d'habitacle disponible optimisé sans présence d'un élément de structure encombrant ou traversant le volume d'habitacle. - On the other hand, to achieve an optimized available cabin volume without the presence of a bulky structural element or through the passenger compartment volume.
Selon une construction préférée du châssis de l'invention, les montants 3 verticaux sont au moins positionnés pour interagir avec les différentes extrémités du module. Selon une particularité de cette construction préférée, les montants 3 verticaux sont au moins positionnés aux différents coins du module principal 4. According to a preferred construction of the frame of the invention, the uprights 3 are at least positioned to interact with the different ends of the module. According to a feature of this preferred construction, the uprights 3 are at least positioned at the different corners of the main module 4.
Il convient de noter que le positionnement des montants 3 verticaux sur la périphérie de l'habitacle peut être réalisé de façon arbitraire en fonction des espacements souhaités entre les montants 3 verticaux pour y positionner des ouvertures visuelles ou des ouvertures de passage. It should be noted that the positioning of the uprights 3 on the periphery of the passenger compartment can be arbitrarily made according to the desired spacings between the uprights 3 to position therein visual openings or passage openings.
La construction d'un châssis en plusieurs modules autoporteurs associés et coopérants, à savoir un module principal et au moins un module secondaire 5, permet de réaliser un montage et un assemblage facilité du châssis d'un véhicule tout en conservant adaptabilité de la structure complète du châssis à la longueur du véhicule final ainsi qu'aux particularités de certaines portions du véhicule : partie articulaire, partie d'extrémité, etc. Il convient ainsi de comprendre le module secondaire 5 comme pouvant se rapporter à un module autre que le module principal 4 et susceptible de s'y associer. Les modules secondaires 5 peuvent ainsi être réalisés par un module d'extrémité ou un module d' intercirculation permettant une articulation entre deux portions de l'habitacle du véhicule. The construction of a chassis in several self-supporting modules associated and cooperating, namely a main module and at least a secondary module 5, allows for easy assembly and assembly of the chassis of a vehicle while maintaining adaptability of the complete structure from chassis to the length of the final vehicle as well as to the particularities of certain portions of the vehicle: articular part, end part, etc. It is thus necessary to understand the secondary module 5 as being able to relate to a module other than the main module 4 and likely to be associated with it. The secondary modules 5 can thus be made by an end module or a gangway module allowing articulation between two portions of the passenger compartment of the vehicle.
Selon une particularité non-limitative de l'invention, l'association entre le module principal 4 et le module secondaire 5 est réalisé directement ou indirectement, par exemple par l'intermédiaire d'un soufflet.
Selon un mode de construction préféré, le module principal 4 présente des dimensions plus importantes que celles du module secondaire 5. According to a non-limiting feature of the invention, the association between the main module 4 and the secondary module 5 is made directly or indirectly, for example by means of a bellows. According to a preferred embodiment, the main module 4 has larger dimensions than those of the secondary module 5.
De façon préférée, les dimensions des ouvertures 6, 7 des modules, principal 4 et secondaire 5, sont adaptées pour permettre au moins le déplacement d'un usager entre les différentes portions de l'habitacle définies par chacun de ces modules. Preferably, the dimensions of the openings 6, 7 of the modules, principal 4 and secondary 5, are adapted to allow at least the movement of a user between the different portions of the passenger compartment defined by each of these modules.
Ainsi, selon une particularité de construction non-limitative, le châssis du véhicule n'est pas uniquement réalisé par deux modules, mais est réalisé par un module principal 4 et deux modules secondaires 5 positionnés aux extrémités respectives du module principal 4. Thus, according to a feature of non-limiting construction, the chassis of the vehicle is not only made by two modules, but is made by a main module 4 and two secondary modules 5 positioned at the respective ends of the main module 4.
Selon une spécificité de cette particularité de construction, le châssis est caractérisé en ce que les modules secondaires 5 positionnés de part et d'autre du module principal 4 présentent des structures similaires de dimensions sensiblement identiques et définissent des portions d'habitacles respectives personnalisables. Le dimensionnement identique de ces modules secondaires 5, d'une part, autorise leur interchangeabilité et, d'autre part, permet de profiter de la construction d'un unique type de structure pour la réalisation de deux modules secondaires 5 différents. Les structures respectives de ces deux modules secondaires 5 qui participent à la réalisation du châssis comprennent différents points de fixation permettant le positionnement d'éléments structurels secondaires adaptés pour personnaliser chacun de ces modules secondaires 5 en fonction de leurs fonctionnalités respectives. According to a specificity of this construction feature, the frame is characterized in that the secondary modules 5 positioned on either side of the main module 4 have similar structures of substantially identical dimensions and define respective portions of customizable interiors. The identical dimensioning of these secondary modules 5, on the one hand, allows their interchangeability and, on the other hand, allows to take advantage of the construction of a single type of structure for the realization of two different secondary modules 5. The respective structures of these two secondary modules 5 which participate in the realization of the frame include different fixing points for the positioning of secondary structural elements adapted to customize each of these secondary modules 5 according to their respective functionalities.
Selon une autre particularité de construction réalisée lorsque le cadre rigide 2 de support du corps principal 1 se trouve uniquement positionné dans le module principal 4, le châssis comprend également un renfort de structure 10 réalisé par au moins une partie d'un module secondaire 5 assemblée au module principal 4. Selon un exemple de réalisation de cette particularité de construction, ce renfort de structure 10 peut être formé par au moins une portion d'un module secondaire 5 positionnée sur la périphérie de l'ouverture 7 du module secondaire 5. Ainsi le renfort de structure 10 peut être réalisé par tout ou partie de l'encadrement de l'ouverture 7 du module secondaire 5. Ce renfort de structure 10 participe ainsi à un renfort de la partie du châssis réalisé par le module principal 4 et notamment par une extrémité du corps principal 1 éventuellement associé à une paire de montants 3 verticaux.
Selon une autre particularité de construction, le cadre rigide 2 de support du corps principal 1 est réalisé par une partie du plafond du module principal 4 et au moins une partie du plafond d'au moins un module secondaire 5. Ainsi, le cadre rigide 2 réalise une structure continue de support qui traverse plusieurs modules 4, 5 assemblés. Selon une construction particulière, ce cadre rigide 2 est réalisé par plusieurs sous- éléments 2a, 2b réalisant respectivement au moins une partie des plafonds des différents modules, principal 4 et secondaire 5. Ces différents sous- éléments 2a, 2b comprennent chacun une interface permettant leur assemblage pour réaliser l'ensemble de la structure d'un cadre rigide 2 formant au moins une partie du corps principal 1 du châssis. Selon cette particularité de construction, la partie supérieure du module secondaire 5 participe, avec le module principal 4, au support de moyens moteurs et/ou de moyens de stockage d'énergie, ce module secondaire 4 pouvant être un module positionné en extrémité du châssis du véhicule. According to another construction particularity realized when the rigid frame 2 of support of the main body 1 is only positioned in the main module 4, the frame also comprises a structural reinforcement 10 made by at least a part of a secondary module 5 assembled to the main module 4. According to an exemplary embodiment of this construction feature, this structural reinforcement 10 may be formed by at least a portion of a secondary module 5 positioned on the periphery of the opening 7 of the secondary module 5. Thus the structural reinforcement 10 can be made by all or part of the frame of the opening 7 of the secondary module 5. This structural reinforcement 10 thus participates in a reinforcement of the part of the frame made by the main module 4 and in particular by an end of the main body 1 possibly associated with a pair of uprights 3 vertical. According to another particular feature of construction, the rigid support frame 2 of the main body 1 is made by part of the ceiling of the main module 4 and at least part of the ceiling of at least one secondary module 5. Thus, the rigid frame 2 performs a continuous support structure which passes through several modules 4, 5 assembled. According to a particular construction, this rigid frame 2 is made by several sub-elements 2a, 2b respectively producing at least part of the ceilings of the different modules, main 4 and secondary 5. These different sub-elements 2a, 2b each comprise an interface allowing their assembly to achieve the entire structure of a rigid frame 2 forming at least a portion of the main body 1 of the frame. According to this construction feature, the upper part of the secondary module 5 participates, with the main module 4, the support of motor means and / or energy storage means, this secondary module 4 can be a module positioned at the end of the frame of the vehicle.
Selon une autre particularité de construction, le corps principal 1 du châssis comprend au moins un fond 8 sensiblement plan agencé pour former une structure apte à recevoir au moins une unité de stockage d'énergie et/ou une unité moteur. Ce fond 8 peut être réalisé sous la forme d'une structure unie telle qu'une plaque montée, fixée ou associée au cadre rigide 2. Selon une alternative de construction, ce fond 8 peut être réalisé sous la forme d'une structure perforée ou d'une grille comportant un maillage. Il convient de noter que le fond 8 peut être réalisé par une structure unique fixée ou intégrée à toute ou partie du cadre rigide 2. Alternativement, ce fond 8 peut être réalisé par plusieurs structures respectivement fixées ou intégrées au niveau de différentes parties du cadre rigide 2, par exemple au niveau de sous-éléments 2a, 2b respectifs du cadre rigide 2. De même, le fond 8 peut également réaliser une structure fixée ou intégrée au niveau de modules secondaires 4 module positionnés en extrémité du châssis du véhicule de façon à y réaliser également un logement apte à recevoir au moins une unité de stockage d'énergie et/ou une unité moteur. According to another construction feature, the main body 1 of the chassis comprises at least one substantially plane bottom 8 arranged to form a structure adapted to receive at least one energy storage unit and / or a motor unit. This bottom 8 can be made in the form of a solid structure such as a plate mounted, fixed or associated with the rigid frame 2. According to a construction alternative, this bottom 8 can be made in the form of a perforated structure or a grid with a mesh. It should be noted that the bottom 8 can be made by a single structure fixed or integrated to all or part of the rigid frame 2. Alternatively, the bottom 8 can be made by several structures respectively fixed or integrated at different parts of the rigid frame 2, for example at the level of respective sub-elements 2a, 2b of the rigid frame 2. Similarly, the bottom 8 can also provide a fixed or integrated structure at the level of secondary modules 4 module positioned at the end of the chassis of the vehicle so as to there also realize a housing adapted to receive at least one energy storage unit and / or a motor unit.
De façon complémentaire, ce cadre rigide 2 réalise une structure qui comprend des moyens structurels transversaux 2c reliant deux côtés opposés du cadre 2 pour renforcer la structure du cadre. De façon préférentielle, ces moyens structurels transversaux sont arrangés pour être
positionnés au niveau de portions du corps principal 1 destiné à supporter des éléments plus lourds. In a complementary manner, this rigid frame 2 produces a structure which comprises transverse structural means 2c connecting two opposite sides of the frame 2 to reinforce the structure of the frame. Preferably, these transverse structural means are arranged to be positioned at portions of the main body 1 for supporting heavier elements.
Selon une autre particularité de construction, le châssis est caractérisé en ce que l'extrémité inférieure des montants 3 est fixée à un cadre périphérique dont tout ou partie est associé à un plancher 9 de l'habitacle. Ainsi, le cadre périphérique réalise une jonction des extrémités inférieures des différents montants 3, cette jonction servant de point de fixation de tout ou partie du plancher 9. De façon complémentaire, le plancher 9 et le cadre périphérique sont réalisés par une même et unique structure. According to another construction feature, the chassis is characterized in that the lower end of the uprights 3 is fixed to a peripheral frame, all or part of which is associated with a floor 9 of the passenger compartment. Thus, the peripheral frame makes a junction of the lower ends of the various uprights 3, this junction serving as a point of attachment of all or part of the floor 9. In a complementary manner, the floor 9 and the peripheral frame are made by the same and unique structure .
Selon une spécificité de cette particularité de construction, le châssis est caractérisé en ce que la surface utilisable du plancher 9 intérieur du module principal 4 est équivalente à la surface du module principal 4 dans un plan horizontal. En effet, les montants verticaux 3 sont disposés sur la périphérie de l'habitacle de sorte que le châssis entoure l'habitacle du véhicule sans le traverser pour maintenir le cadre rigide 2 de support du corps principal 1 au-dessus de l'habitacle. L'habitacle du véhicule est ainsi dépourvu de colonne ou de montant positionné à l'intérieur de son volume, le transfert de force depuis le cadre rigide 2 de support vers le bas du châssis s'effectue alors uniquement au niveau de la périphérie de l'habitacle permettant une optimisation du volume utilisable de l'habitacle. According to a specificity of this construction feature, the frame is characterized in that the usable surface of the inner floor 9 of the main module 4 is equivalent to the surface of the main module 4 in a horizontal plane. Indeed, the uprights 3 are arranged on the periphery of the passenger compartment so that the frame surrounds the passenger compartment of the vehicle without crossing to maintain the rigid support frame 2 of the main body 1 above the passenger compartment. The passenger compartment of the vehicle thus has no column or post positioned within its volume, the transfer of force from the rigid support frame 2 downwardly from the chassis then takes place only at the periphery of the vehicle. cockpit allowing an optimization of the usable volume of the cockpit.
Selon une spécificité complémentaire, le châssis est caractérisé en ce que les planchers intérieurs associés à chacune des parties du châssis sont accessibles aux passagers transportés. Selon cette configuration de construction, l'optimisation de la surface accessible de l'habitacle est réalisée pour chacun des modules, principal 4 et secondaire 5, du châssis. De façon complémentaire, les planchers intérieurs de chacun des modules, principal 4 et secondaire 5, sont positionnés à un niveau équivalent. According to a complementary specificity, the chassis is characterized in that the interior floors associated with each of the parts of the chassis are accessible to passengers transported. According to this construction configuration, the optimization of the accessible surface of the passenger compartment is carried out for each of the modules, main 4 and secondary 5, of the chassis. Complementarily, the interior floors of each of the modules, main 4 and secondary 5, are positioned at an equivalent level.
Selon une autre particularité de construction, le châssis est caractérisé en ce que au moins un module secondaire 5 interagit avec au moins un essieu de roues. Ainsi, selon cette particularité de construction seule une partie positionnée à l'extrémité du châssis est arrangée pour interagir avec un essieu de roues. Cet arrangement particulier permet de limiter le positionnement de roues au niveau de la portion centrale du châssis et donc de libérer cette portion pour l'installation d'une ouverture permettant un accès à l'habitacle dans le cadre, par exemple, d'un transport de passagers.
Selon une spécificité complémentaire de construction, au moins un des essieux du véhicule est associé à un système de direction permettant le pivotement de chacune des roues de l'essieu autour d'un axe vertical respectif. According to another construction feature, the chassis is characterized in that at least one secondary module 5 interacts with at least one wheel axle. Thus, according to this construction feature only a portion positioned at the end of the frame is arranged to interact with a wheel axle. This particular arrangement makes it possible to limit the positioning of wheels at the central portion of the chassis and thus to release this portion for the installation of an opening allowing access to the passenger compartment in the context, for example, of a transport of passengers. According to a complementary specificity of construction, at least one of the axles of the vehicle is associated with a steering system for pivoting each of the wheels of the axle about a respective vertical axis.
Selon une autre spécificité complémentaire de construction, au moins une portion de l'habitacle positionnée à une extrémité du châssis comprend un poste de conduite intégrant au moins un organe de commande de la direction d'au moins un essieu du véhicule. Cette extrémité peut être localisée à l'avant ou à l'arrière du châssis. According to another additional specificity of construction, at least a portion of the passenger compartment positioned at one end of the chassis comprises a driving station incorporating at least one steering control member of at least one axle of the vehicle. This end can be located at the front or rear of the chassis.
Selon une autre spécificité complémentaire de construction, au moins une portion de l'habitacle positionnée à une extrémité est associée à un moyen moteur d'entraînement de l'essieu associé au module d'extrémité. According to another additional specificity of construction, at least a portion of the passenger compartment positioned at one end is associated with a drive motor means of the axle associated with the end module.
L'invention porte également sur un véhicule intégrant un châssis selon l'invention. The invention also relates to a vehicle incorporating a chassis according to the invention.
Selon une particularité de construction du véhicule, son châssis est associé aux roues du véhicule par l'intermédiaire d'un mécanisme de suspension, de sorte que les planchers intérieurs d'au moins deux modules du châssis sont agencés pour être translatés verticalement en maintenant les planchers dans un plan horizontal. Cette construction particulière permet d'opérer un alignement de niveau du plancher du véhicule de niveau avec le bord de la station d'embarquement des passagers ou des éléments à transporter. According to a particular construction of the vehicle, its chassis is associated with the vehicle wheels via a suspension mechanism, so that the interior floors of at least two modules of the chassis are arranged to be translated vertically while maintaining the floors in a horizontal plane. This particular construction makes it possible to operate a level alignment of the floor of the level vehicle with the edge of the boarding station for passengers or items to be transported.
Bien entendu, l'invention n'est pas limitée au mode de réalisation décrit et représenté aux dessins annexés. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention.
Of course, the invention is not limited to the embodiment described and shown in the accompanying drawings. Modifications are possible, particularly from the point of view of the constitution of the various elements or by substitution of technical equivalents, without departing from the scope of protection of the invention.
Claims
1. Châssis pour véhicule de transport comprenant un habitacle, caractérisé en ce que ce châssis comprend au moins : Chassis for a transport vehicle comprising a passenger compartment, characterized in that this chassis comprises at least:
- d'une part, un corps principal (1) qui comprend un cadre rigide (2) de support positionné dans la partie supérieure de l'habitacle du véhicule, - on the one hand, a main body (1) which comprises a rigid support frame (2) positioned in the upper part of the passenger compartment of the vehicle,
- d'autre part, au moins un montant (3) sensiblement vertical associé au corps principal et positionné au niveau de la périphérie de l'habitacle du véhicule, on the other hand, at least one substantially vertical upright (3) associated with the main body and positioned at the periphery of the passenger compartment of the vehicle,
le châssis étant réalisé par au moins : the chassis being made by at least:
- un module principal (4) réalisant une première portion de l'habitacle du véhicule et dont au moins une partie du plafond du module principal (4) forme une partie du cadre rigide (2) du corps principal (1), le module principal (4) comprenant au moins une ouverture (6) à une de ses extrémités, - a main module (4) providing a first portion of the passenger compartment of the vehicle and at least part of the ceiling of the main module (4) forms part of the rigid frame (2) of the main body (1), the main module (4) comprising at least one opening (6) at one of its ends,
- un module secondaire (5) réalisant une seconde portion de l'habitacle du véhicule et comprenant au moins une ouverture (7) de dimensions correspondant sensiblement à celles de l'ouverture (6) d'extrémité du module principal (4) de sorte qu'une association du module principal (4) et du module secondaire (5) soit réalisée au niveau de ces ouvertures (6, 7), a secondary module (5) producing a second portion of the passenger compartment of the vehicle and comprising at least one opening (7) of dimensions substantially corresponding to those of the opening (6) of the end of the main module (4) so that an association of the main module (4) and the secondary module (5) is performed at these openings (6, 7),
chacun des modules, principal (4) et secondaire (5), avant leur assemblage, réalisant un module autoporteur. each of the modules, main (4) and secondary (5), before assembly, realizing a self-supporting module.
2. Châssis pour véhicule de transport selon la revendication 1, caractérisé en ce que le châssis est réalisé par un module principal (4) et deux modules secondaires (5) positionnés aux extrémités respectives du module principal (4). 2. Chassis for transport vehicle according to claim 1, characterized in that the frame is formed by a main module (4) and two secondary modules (5) positioned at the respective ends of the main module (4).
3. Châssis pour véhicule de transport selon la revendication 2, caractérisé en ce que les modules secondaires (5) positionnés de part et d'autre du module principal (4) présentent des structures similaires de dimensions sensiblement identiques et définissent des portions d'habitacles respectives personnalisables. Conveyor frame according to claim 2, characterized in that the secondary modules (5) positioned on either side of the main module (4) have similar structures of substantially identical dimensions and define interior portions. respective customizable.
4. Châssis pour véhicule de transport selon une des revendications précédentes, caractérisé en ce que le cadre rigide (2) de support du corps principal (1) se trouve uniquement positionné dans le
module principal (4), le châssis comprend également un renfort de structure réalisé par au moins une partie d'un module secondaire (5) assemblée au module principal (4). Chassis for a transport vehicle according to one of the preceding claims, characterized in that the rigid support frame (2) of the main body (1) is only positioned in the main module (4), the frame also comprises a structure reinforcement made by at least a portion of a secondary module (5) assembled to the main module (4).
5. Châssis pour véhicule de transport selon une des revendications 1 à 4, caractérisé en ce que, le cadre rigide (2) de support du corps principal (1) est réalisé par une partie du plafond du module principal (4) et au moins une partie du plafond d'au moins un module secondaire (5). Conveyor frame according to one of claims 1 to 4, characterized in that the rigid support frame (2) of the main body (1) is formed by a part of the ceiling of the main module (4) and at least part of the ceiling of at least one secondary module (5).
6. Châssis pour véhicule de transport selon une des revendications précédentes, caractérisé en ce que le corps principal (1) du châssis comprend au moins un fond (8) sensiblement plan agencé pour former une structure apte à recevoir au moins une unité de stockage d'énergie et/ou une unité moteur. 6. Chassis for transport vehicle according to one of the preceding claims, characterized in that the main body (1) of the chassis comprises at least one bottom (8) substantially planar arranged to form a structure adapted to receive at least one storage unit energy and / or a motor unit.
7. Châssis pour véhicule de transport selon une des revendications précédentes, caractérisé en ce que l'extrémité inférieure des montants (3) est fixée à un cadre périphérique dont tout ou partie est associé à un plancher (9) de l'habitacle. 7. Chassis for transport vehicle according to one of the preceding claims, characterized in that the lower end of the uprights (3) is fixed to a peripheral frame, all or part of which is associated with a floor (9) of the passenger compartment.
8. Châssis pour véhicule de transport selon la revendication 7, caractérisé en ce que la surface utilisable du plancher (9) intérieur du module principal (4) est équivalente à la surface du module principal (4) dans un plan horizontal. Conveyor frame according to claim 7, characterized in that the usable area of the floor (9) inside the main module (4) is equivalent to the surface of the main module (4) in a horizontal plane.
9. Châssis pour véhicule de transport selon la revendication 7 ou 8, caractérisé en ce que les planchers intérieurs associés à chacune des parties du châssis sont accessibles aux passagers transportés. 9. Chassis for transport vehicle according to claim 7 or 8, characterized in that the interior floors associated with each of the parts of the chassis are accessible to passengers transported.
10. Châssis pour véhicule de transport selon une des revendications précédentes, caractérisé en ce que au moins un module secondaire (5) interagit avec au moins un essieu de roues. 10. Chassis for transport vehicle according to one of the preceding claims, characterized in that at least one secondary module (5) interacts with at least one wheel axle.
11. Véhicule intégrant un châssis selon une des revendications 11. Vehicle incorporating a chassis according to one of the claims
1 à 10. 1 to 10.
12. Véhicule intégrant un châssis selon la revendication 11, caractérisé en ce que le châssis est associé aux roues du véhicule par l'intermédiaire d'un mécanisme de suspension, de sorte que les planchers intérieurs d'au moins deux modules du châssis sont agencées pour être translatés verticalement en maintenant les planchers dans un plan horizontal.
12. Vehicle incorporating a chassis according to claim 11, characterized in that the frame is associated with the wheels of the vehicle via a suspension mechanism, so that the interior floors of at least two modules of the chassis are arranged to be translated vertically by keeping the floors in a horizontal plane.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1663141A FR3061114B1 (en) | 2016-12-22 | 2016-12-22 | CHASSIS FOR TRANSPORT VEHICLE |
| FR1663141 | 2016-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2018115664A1 true WO2018115664A1 (en) | 2018-06-28 |
Family
ID=58358659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2017/053620 WO2018115664A1 (en) | 2016-12-22 | 2017-12-15 | Frame for transport vehicle |
Country Status (3)
| Country | Link |
|---|---|
| AR (1) | AR110435A1 (en) |
| FR (1) | FR3061114B1 (en) |
| WO (1) | WO2018115664A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111319679A (en) * | 2018-12-14 | 2020-06-23 | 郑州宇通客车股份有限公司 | Passenger car and car body framework thereof |
| WO2021072527A1 (en) * | 2019-10-17 | 2021-04-22 | Letenda Inc. | Modular low floor bus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2425948A (en) * | 1943-03-15 | 1947-08-19 | Lucien Rene | Powered vehicle of connected sections |
| GB597966A (en) * | 1942-11-19 | 1948-02-06 | Chausson Usines Sa | Improvements in the construction of motor road vehicles |
| WO2017084922A1 (en) * | 2015-11-16 | 2017-05-26 | Bluebus | Modular structure for a land vehicle for public passenger transport, and vehicle comprising such a structure |
-
2016
- 2016-12-22 FR FR1663141A patent/FR3061114B1/en active Active
-
2017
- 2017-12-15 WO PCT/FR2017/053620 patent/WO2018115664A1/en active Application Filing
- 2017-12-22 AR ARP170103645A patent/AR110435A1/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB597966A (en) * | 1942-11-19 | 1948-02-06 | Chausson Usines Sa | Improvements in the construction of motor road vehicles |
| US2425948A (en) * | 1943-03-15 | 1947-08-19 | Lucien Rene | Powered vehicle of connected sections |
| WO2017084922A1 (en) * | 2015-11-16 | 2017-05-26 | Bluebus | Modular structure for a land vehicle for public passenger transport, and vehicle comprising such a structure |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111319679A (en) * | 2018-12-14 | 2020-06-23 | 郑州宇通客车股份有限公司 | Passenger car and car body framework thereof |
| CN111319679B (en) * | 2018-12-14 | 2021-12-17 | 郑州宇通客车股份有限公司 | Passenger car and car body framework thereof |
| WO2021072527A1 (en) * | 2019-10-17 | 2021-04-22 | Letenda Inc. | Modular low floor bus |
| CN114555455A (en) * | 2019-10-17 | 2022-05-27 | 勒滕达公司 | Low-floor bus |
| CN114555455B (en) * | 2019-10-17 | 2024-04-09 | 勒滕达公司 | Low-floor bus |
Also Published As
| Publication number | Publication date |
|---|---|
| FR3061114B1 (en) | 2023-06-30 |
| FR3061114A1 (en) | 2018-06-29 |
| AR110435A1 (en) | 2019-03-27 |
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