EP0877698A1 - Dashboard for vehicle, for example motor vehicles capable of diffusing an air flow into the occupants space of said vehicle - Google Patents

Dashboard for vehicle, for example motor vehicles capable of diffusing an air flow into the occupants space of said vehicle

Info

Publication number
EP0877698A1
EP0877698A1 EP97901672A EP97901672A EP0877698A1 EP 0877698 A1 EP0877698 A1 EP 0877698A1 EP 97901672 A EP97901672 A EP 97901672A EP 97901672 A EP97901672 A EP 97901672A EP 0877698 A1 EP0877698 A1 EP 0877698A1
Authority
EP
European Patent Office
Prior art keywords
dashboard
vehicle
air flow
lateral
flow
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.)
Withdrawn
Application number
EP97901672A
Other languages
German (de)
French (fr)
Inventor
Frédéric BIERI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMRC Automotive Modules France SAS
Original Assignee
Reydel SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Reydel SA filed Critical Reydel SA
Publication of EP0877698A1 publication Critical patent/EP0877698A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant
    • B60H1/241—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle
    • B60H1/242—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle located in the front area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant
    • B60H1/247—Disposition of several air-diffusers in a vehicle for ventilation-air circulation in a vehicle cabin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K37/00—Dashboards

Definitions

  • the present invention relates to a dashboard for a vehicle such as, for example, motor vehicles, capable of allowing the diffusion of air flow in the passenger compartment of said vehicle.
  • dashboards for motor vehicles are known, provided with orifices fitted with ventilation grids arranged laterally and in the central part.
  • two are provided in the median part ⁇ and allow to directly project an air flow to the rear passengers between the two front seats.
  • Two others are provided at the lateral ends of said dashboard and make it possible to project air flows directly laterally into the passenger compartment of the vehicle, that is to say either towards the front passengers, on the side of the vehicle doors. , or in the direction of the windows of said doors to ensure their defrosting and / or demisting.
  • said air flows are generated by an aeration circuit comprising, for example, a blower and a network of 20 conduits, provided under the dashboard, said network opening onto said orifices.
  • the ventilation grilles are generally orientable, for example in two planes, so as to leave passengers the possibility of adjusting the direction emission of air flows.
  • said ventilation grilles are often the source of air flow tubing, thus constituting a source of noise, and this more particularly in high ventilation regime.
  • the purpose of the present invention is to provide a dashboard for a vehicle which overcomes the aforementioned drawbacks and makes it possible to reduce the length of the ducts of the ventilation circuit of the passenger compartment of said vehicle so as to reduce the pressure losses in said circuit. .
  • An advantage of the present invention is thus to reduce the power required as well as the temperature response time of the ventilation circuit of the passenger compartment of said vehicle.
  • Another object of the present invention is to provide a dashboard for a vehicle, capable of allowing at least the lateral diffusion of an air flow in the passenger compartment of said vehicle, by which the noise generated by said diffusion is reduced.
  • Another object of the present invention is to provide a dashboard for a vehicle, capable of allowing at least the lateral diffusion of an air flow in the passenger compartment of said vehicle, by which the adjustment of said flow is facilitated.
  • Another object of the present invention is to provide a dashboard for a vehicle, capable of allowing at least the lateral diffusion of an air flow towards each of its lateral ends, thanks to which the balance said laterally distributed flows is ensured.
  • Another object of the present invention is to provide a dashboard whose aesthetic appearance is improved.
  • the invention relates to a dashboard for a vehicle, in particular a motor vehicle, having two lateral ends connected by a middle part, said dashboard being capable of allowing at least the lateral diffusion of an air flow in the passenger compartment of said vehicle. , characterized by the fact that it has:
  • Figure 1 describes, schematically, in top view, a vehicle with a dashboard according to the invention.
  • FIG. 2 describes, in top view, a particular example of a dashboard according to the invention.
  • Figure 3 is a perspective view, more complete, of the example dashboard according to the invention shown in Figure 2.
  • Figure 4 is a section, taken along the axis IV-IV shown in Figure 2, illustrating in a side view the example of a dashboard described in this same figure.
  • the present invention relates to a dashboard for a vehicle, such as, for example, a motor vehicle, capable of allowing the diffusion of air flow in the passenger compartment of said vehicle.
  • a vehicle 1 is observed, represented schematically, comprising, for example, a hood 2 and a passenger compartment 3 terminated by a trunk 4.
  • said passenger compartment 3 comprises two front seats, distributed symmetrically on either side of the longitudinal axis 5 of the vehicle, constituting a driver's seat 6 and a passenger seat 7. At the rear, said passenger compartment 3 also includes a bench seat
  • said passenger compartment 3 is provided with a dashboard 9 according to the invention.
  • the latter is arranged, for example, transversely to said vehicle 1, in particular from one of its front doors to the other.
  • vehicle 1 described above is only a non-limiting example of a vehicle in which the dashboard according to the invention can be used, other interior arrangements of the passenger compartment 3 of course possible.
  • Said dashboard 9 has two lateral ends 10,
  • said lateral ends 10, 11 are therefore those located opposite the lateral sides 13, 14 of said vehicle 1 and the middle part 12 is located, substantially, in the vicinity of the longitudinal axis 5 of the latter.
  • said dashboard 9 is able to allow at least the lateral diffusion of an air flow in said passenger compartment 3 of vehicle 1.
  • lateral diffusion mean that said air flow is directed into the passenger compartment 3, at least in the direction of the regions of said passenger compartment 3 located opposite said lateral ends 10, 11, that is to say say according the example illustrated, in the direction of the driver's and / or front passenger's sides facing the doors. Said air flow can also be directed towards said doors themselves, in particular so as to allow defrosting and / or demisting of their glazed surface.
  • the dashboard 9 has an emission zone 15 of said laterally diffused air flow, offset towards said middle part 12.
  • emission zone is meant zone at which the flow arrives at the outer surface of the dashboard 9, said outer surface being that which is opposite the passengers.
  • Said emission zone 15 is therefore distant from the lateral ends 10, 11 and, in order to allow said laterally diffused flow to reach the regions described above, it cooperates with means 16 for externally guiding the flow of air emitted along said dashboard 9 and ensure its lateral distribution, as illustrated, for example, by the arrows marked 17, 18.
  • outside it is meant that the air flow emitted in the emission zone 15 is guided, as developed below, on the outside surface of the dashboard 9. The latter therefore makes it possible to avoid the long lengths of ducts, provided under the dashboards previously known for conveying air into their emission zones, ci located near their lateral ends.
  • the dashboard according to the invention thus makes it possible, in particular, to reduce the pressure drops and to improve the air diffusion.
  • the emission zone 15 is provided, more precisely, at the level of the middle part 12 and has at least two orifices 19, 20, said to have lateral flow.
  • the latter are respectively able to allow the diffusion of an air flow towards each of the lateral ends 10, 11 of the dashboard 9, for example according to said arrows marked 17, 18.
  • the dashboard 9 is suitable for allowing, for example, in addition, the direct diffusion of an air flow in the passenger compartment 3 of the vehicle 1, in particular along the arrow marked 21.
  • said emission zone 15 also has, for example, at least one additional orifice 22, said to be of direct flow, capable of allowing said direct diffusion, that is to say without prior guidance of the air flow emitted on the surface of the dashboard 9.
  • said direct flow is oriented, in particular, towards the rear seat 8, between the two seats 6, 7 of the front passengers, substantially along the longitudinal axis 5 of vehicle 1.
  • said lateral and / or direct air flows are generated, as already mentioned, for example, by a ventilation circuit provided under the external surface of the dashboard 9
  • Said aeration circuit consists, in particular, of a blower and a network of conduits, not shown.
  • the dashboard 9 therefore makes it possible to optimize said aeration circuit, all of the air flows, lateral and / or direct, being common and opening into a single emission zone 15 to then be diffused separately in the passenger compartment 3 according to their respective direction.
  • the length of the network of conduits and the resulting pressure losses as well as the response time of the temperature aeration circuit are thus advantageously reduced.
  • said emission zone 15 is made up, in particular, of a protrusion 23, having said lateral flow orifices 19, 20, on each of its lateral faces 24, 25 and said flow orifices direct 22 on its front face 26.
  • lateral face 24, 25 is meant the face of the protrusion 23, substantially orthogonal to the outer surface of the dashboard 9.
  • frontal face 26 is meant the face of the protrusion 23 oriented substantially parallel to said outer surface of the dashboard 9.
  • said prominence 23 constitutes, for example, a column, oriented substantially vertically.
  • the protrusion 23 may possibly have edges 27 capable of masking said lateral flow orifices 19, 20.
  • said lateral flow orifices 19, 20 as well as the direct flow orifice 22 are provided, in particular, with ventilation grids 33.
  • the means 16 for freely guiding the laterally diffused air stream (s) consist, for example, of recesses 28, 29 having a given curvature, provided between said emission zone 15 and said lateral ends 10, 11. Said recesses 28, 29 form, in particular, deflectors.
  • said lateral flow orifices are oriented, in particular, towards the front quarter of the passenger compartment 3 of the vehicle 1 and thus cooperate with the recesses 28, 29 at their end provided on the side of the emission zone 15.
  • said recesses 28, 29 comprise, for example, a first region 30, substantially planar, slightly inclined, in particular with respect to the horizontal, and a second region 31, defining a curved surface along the dashboard 9 in a substantially elliptical manner, extending the first towards the upper end of said dashboard 9, according to a rounded profile. They therefore have, for example, a form of scoop.
  • Said laterally diffused air flows are thus guided along said recesses 28, 29 and directed towards the interior of the passenger compartment 3, for example, in a direction substantially tangent to the orientation of the ends of said recesses 28, 29 provided for side of the lateral ends 10, 11 of the dashboard 9, in particular, as mentioned above, towards the sides of the driver and of the front passenger facing the doors of the vehicle 1 and / or towards the glazed surfaces of said doors .
  • the dashboard 9 has, possibly, integrated elements whose external contours participate in the definition of said recesses 28, 29. These are, for example, the hood of an airbag for the recess located on the passenger side or, for the recess located on the driver's side, there visor and the glass of the instrumentation box 32. In the case where said instrumentation box is attached, it is then the top of the dashboard 9 which can, for example, have the shape of a scoop.
  • said dashboard optionally further includes means for adjusting the flow rate of the emitted air flow (s). It is, for example, a device for controlling the characteristics of the ventilation circuit, in particular accessible on the exterior surface of said dashboard
  • Said characteristics of the ventilation circuit consist, for example, of the air flow generated by the blower and / or by the position of one or more valves closing more or less the network of conduits of said circuit.
  • the means for adjusting the flow rate thus make it possible to obtain, for example, either a gentle diffusion when the latter is low, or a significant deflection of the air flow, in particular for demisting, when it is higher.
  • the direction of the air stream or streams diffused laterally is invariable. The occupants of vehicle 1 are thus freed from the delicate and tedious adjustment of the orientation of the air flow, which allows, in particular the driver, not to be distracted and to devote himself entirely to traffic.
  • the present invention relates both to tables made of a solid material having reservations for the various on-board instruments and to dashboards made of a panel through which the said instruments open.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

The present invention relates to a dashboard (9) for a vehicle, particularly a motor vehicle, having two sides extremities (10, 11) interconnected by a medial part (12), said dashboard (9) being appropriate to at least diffuse laterally an air flow into the occupants space of the vehicle. According to the invention, the dashboard has an air flow emission zone (15), offset with respect to the medial part (12), cooperating with means (16) for guiding externally the air flow emitted along said dashboard (9) and providing for its lateral diffusion.

Description

TABLEAU DE BORD POUR VEHICULE, PAR EXEMPLE, DES VEHICULES AUTOMOBILES, APTE A PERMETTRE LA DIFFUSION DE FLUX D'AIR DANS L'HABITACLE DUDIT VEHICULEDASHBOARD FOR VEHICLE, FOR EXAMPLE, MOTOR VEHICLES, SUITABLE FOR ALLOWING THE DIFFUSION OF AIRFLOWS IN THE INTERIOR OF SAID VEHICLE
La présente invention concerne un tableau de bord pour véhicule tel que, par exemple, des véhicules automobiles, apte à permettre ia diffusion de flux d'air dans l'habitacle dudit véhicule.The present invention relates to a dashboard for a vehicle such as, for example, motor vehicles, capable of allowing the diffusion of air flow in the passenger compartment of said vehicle.
Bien que plus particulièrement destinée à de telles applications, 5 elle pourra également être utilisée dans tous types de véhicule maritime, aérien et/ou terrestre, et plus généralement, dans tous habitacles dans lesquels on est amené à rencontrer des tableaux de bord.Although more particularly intended for such applications, it can also be used in all types of maritime, air and / or land vehicle, and more generally, in all passenger compartments in which dashboards are encountered.
Actuellement, on connaît de nombreux tableaux de bord pour véhicule automobile munis d'orifices équipés de grilles de ventilation disposées 10 latéralement et en partie centrale.Currently, numerous dashboards for motor vehicles are known, provided with orifices fitted with ventilation grids arranged laterally and in the central part.
Plus précisément, deux sont prévues en partie ^médiane et permettent de projeter directement un flux d'air aux passagers arrière entre les deux sièges avant. Deux autres sont prévues aux extrémités latérales dudit tableau de bord et permettent de projeter directement des flux d'air 15 latéralement dans l'habitacle du véhicule, c'est-à-dire soit en direction des passagers avant, du côté des portières du véhicule, soit en direction des vitres desdites portières pour assurer leur dégivrage et/ou désembuage.Specifically, two are provided in the median part ^ and allow to directly project an air flow to the rear passengers between the two front seats. Two others are provided at the lateral ends of said dashboard and make it possible to project air flows directly laterally into the passenger compartment of the vehicle, that is to say either towards the front passengers, on the side of the vehicle doors. , or in the direction of the windows of said doors to ensure their defrosting and / or demisting.
Selon les dispositifs connus, lesdits flux d'air sont générés par un circuit d'aération comprenant, par exemple, un pulseur et un réseau de 20 conduits, prévus sous le tableau de bord, ledit réseau débouchant sur lesdits orifices.According to known devices, said air flows are generated by an aeration circuit comprising, for example, a blower and a network of 20 conduits, provided under the dashboard, said network opening onto said orifices.
L'inconvénient de tels dispositifs est donc de présenter de grande longueur de conduits pour atteindre chacun des orifices, induisant de ce fait des pertes de charge et obligeant à surdimensionner le pulseur. 25 De plus, lesdits conduits sont souvent l'objet d'échanges thermiques perturbant la rapidité de la régulation en température desdits flux d'air et nuisant ainsi, notamment, à l'efficacité du conditionnement d'air de l'habitacle du véhicule.The disadvantage of such devices is therefore to have long lengths of conduits to reach each of the orifices, thereby inducing pressure losses and requiring oversizing the blower. In addition, said conduits are often the object of heat exchanges disturbing the speed of the temperature regulation of said air flows and thus adversely affecting, in particular, the efficiency of the air conditioning of the passenger compartment of the vehicle.
Il est également à noter que, dans les tableaux de bord connus,It should also be noted that, in the known dashboards,
30 les grilles de ventilation sont généralement orientables, par exemple dans deux plans, de manière à laisser aux passagers la possibilité d'ajuster la direction d'émission des flux d'air.30 the ventilation grilles are generally orientable, for example in two planes, so as to leave passengers the possibility of adjusting the direction emission of air flows.
Cependant, l'expérience montre que lesdites grilles ne sont jamais réglées correctement et les passagers ne bénéficient finalement pas de l'effet recherché. De plus, lesdits réglages entraînent souvent un déséquilibre de la répartition des flux d'air projetés latéralement et induisent ainsi un surdimensionnement supplémentaire du pulseur.However, experience shows that said grids are never adjusted correctly and passengers ultimately do not benefit from the desired effect. In addition, said adjustments often lead to an imbalance in the distribution of the air flows projected laterally and thus induce an additional oversizing of the blower.
Par ailleurs, lesdites grilles de ventilation sont souvent à l'origine de tuburlences des flux d'air, constituant alors une source de bruit, et ceci plus particulièrement en régime de ventilation élevée.Furthermore, said ventilation grilles are often the source of air flow tubing, thus constituting a source of noise, and this more particularly in high ventilation regime.
On peut également remarquer que lesdites grilles de ventilation visibles sur les tableaux de bord actuellement connus, nuisent à leur aspect esthétique.It can also be noted that said ventilation grids visible on the dashboards currently known, detract from their aesthetic appearance.
Le but de la présente invention est de proposer un tableau de bord pour véhicule qui pallie les inconvénients précités et permettent de diminuer la longueur des conduits du circuit d'aération de l'habitacle dudit véhicule de manière à réduire les pertes de charge dans ledit circuit.The purpose of the present invention is to provide a dashboard for a vehicle which overcomes the aforementioned drawbacks and makes it possible to reduce the length of the ducts of the ventilation circuit of the passenger compartment of said vehicle so as to reduce the pressure losses in said circuit. .
Un avantage de la présente invention est de permettre ainsi de diminuer la puissance requise ainsi que le temps de réponse en température du circuit d'aération de l'habitacle dudit véhicule.An advantage of the present invention is thus to reduce the power required as well as the temperature response time of the ventilation circuit of the passenger compartment of said vehicle.
Un autre but de la présente invention est de proposer un tableau de bord pour véhicule, apte à permettre au moins la diffusion latérale d'un flux d'air dans l'habitacle dudit véhicule, grâce auquel le bruit généré par ladite diffusion soit diminué. Un autre but de la présente invention est de proposer un tableau de bord pour véhicule, apte à permettre au moins ia diffusion latérale d'un flux d'air dans l'habitacle dudit véhicule, grâce auquel le réglage dudit flux soit facilité.Another object of the present invention is to provide a dashboard for a vehicle, capable of allowing at least the lateral diffusion of an air flow in the passenger compartment of said vehicle, by which the noise generated by said diffusion is reduced. Another object of the present invention is to provide a dashboard for a vehicle, capable of allowing at least the lateral diffusion of an air flow in the passenger compartment of said vehicle, by which the adjustment of said flow is facilitated.
Un autre but de la présente invention est de proposer un tableau de bord pour véhicule, apte à permettre au moins la diffusion latérale d'un flux d'air vers chacune de ses extrémités latérales, grâce auquel l'équilibre desdits flux diffusés latéralement soit assuré.Another object of the present invention is to provide a dashboard for a vehicle, capable of allowing at least the lateral diffusion of an air flow towards each of its lateral ends, thanks to which the balance said laterally distributed flows is ensured.
Un autre but de la présente invention est de proposer un tableau de bord dont l'aspect esthétique soit amélioré.Another object of the present invention is to provide a dashboard whose aesthetic appearance is improved.
D'autres buts et avantages de la présente invention apparaîtront au cours de la description qui va suivre qui n'est donné qu'à titre indicatif et qui n'a pas pour but de la limiter.Other objects and advantages of the present invention will appear during the description which follows which is given for information only and which is not intended to limit it.
L'invention concerne un tableau de bord pour véhicule notamment véhicule automobile, présentant deux extrémités latérales reliées par une partie médiane, ledit tableau de bord étant apte à permettre au moins la diffusion latérale d'un flux d'air dans l'habitacle dudit véhicule, caractérisé par le fait qu'il présente :The invention relates to a dashboard for a vehicle, in particular a motor vehicle, having two lateral ends connected by a middle part, said dashboard being capable of allowing at least the lateral diffusion of an air flow in the passenger compartment of said vehicle. , characterized by the fact that it has:
- une zone d'émission dudit flux d'air déporté vers la dite partie médiane, coopérant avec :- an emission zone of said air flow deported to said median part, cooperating with:
- des moyens pour guider extérieurement le flux d'air émis le long dudit tableau de bord et assurer sa diffusion latérale.- Means for externally guiding the air flow emitted along said dashboard and ensuring its lateral diffusion.
La présente invention sera mieux comprise à la lecture de la description suivante accompagnée des dessins annexés qui en font partie intégrante.The present invention will be better understood on reading the following description accompanied by the accompanying drawings which form an integral part thereof.
La figure 1 décrit, de manière schématique, en vue de dessus, un véhicule muni d'un tableau de bord conforme à l'invention.Figure 1 describes, schematically, in top view, a vehicle with a dashboard according to the invention.
La figure 2 décrit, en vue de dessus, un exemple particulier de tableau de bord conforme à l'invention.FIG. 2 describes, in top view, a particular example of a dashboard according to the invention.
La figure 3 est une vue en perspective, plus complète, de l'exemple de tableau de bord conforme à l'invention représenté à la figure 2. La figure 4 est une coupe, réalisée selon l'axe IV-IV représenté à la figure 2, illustrant en vue latérale l'exemple de tableau de bord décrit à cette même figure.Figure 3 is a perspective view, more complete, of the example dashboard according to the invention shown in Figure 2. Figure 4 is a section, taken along the axis IV-IV shown in Figure 2, illustrating in a side view the example of a dashboard described in this same figure.
La présente invention concerne un tableau de bord pour véhicule, tel que, par exemple, véhicule automobile, apte à permettre la diffusion de flux d'air dans l'habitacle dudit véhicule.The present invention relates to a dashboard for a vehicle, such as, for example, a motor vehicle, capable of allowing the diffusion of air flow in the passenger compartment of said vehicle.
Bien que plus particulièrement destinée à de telles applications, elle pourra également être utilisée pour tout type de véhicule maritime, aérien et/ou terrestre et, plus généralement, dans tous types d'habitacles dans lesquels on est amené à rencontrer des tableaux de bord.Although more particularly intended for such applications, it can also be used for any type of maritime, air and / or land vehicle and, more generally, in all types of cockpit in which we are led to encounter dashboards.
A la figure 1 , on observe, représenté de manière schématique, un véhicule 1 comprenant, par exemple, un capot 2 et un habitacle 3 terminé par un coffre 4.In FIG. 1, a vehicle 1 is observed, represented schematically, comprising, for example, a hood 2 and a passenger compartment 3 terminated by a trunk 4.
Selon l'exemple décrit, ledit habitacle 3 comprend deux sièges avant, répartis symétriquement de part et d'autre de l'axe longitudinal 5 du véhicule, constituant un siège conducteur 6 et un siège passager 7. A l'arrière, ledit habitacle 3 comprend également une banquetteAccording to the example described, said passenger compartment 3 comprises two front seats, distributed symmetrically on either side of the longitudinal axis 5 of the vehicle, constituting a driver's seat 6 and a passenger seat 7. At the rear, said passenger compartment 3 also includes a bench seat
8 pour passagers, orientée transversalement par rapport audit axe longitudinal 5.8 for passengers, oriented transversely to said longitudinal axis 5.
Cela étant, ledit habitacle 3 est muni, d'un tableau de bord 9 conforme à l'invention. Ce dernier est disposé, par exemple, transversalement audit véhicule 1 , notamment d'une de ses portières avant à l'autre.However, said passenger compartment 3 is provided with a dashboard 9 according to the invention. The latter is arranged, for example, transversely to said vehicle 1, in particular from one of its front doors to the other.
II est à noter que le véhicule 1 décrit ci-dessus ne constitue qu'un exemple non limitatif de véhicule dans lequel le tableau de bord conforme à l'invention peut être utilisé, d'autres aménagements intérieurs de l'habitacle 3 étant bien sûr envisageables. Ledit tableau de bord 9 présente deux extrémités latérales 10,It should be noted that the vehicle 1 described above is only a non-limiting example of a vehicle in which the dashboard according to the invention can be used, other interior arrangements of the passenger compartment 3 of course possible. Said dashboard 9 has two lateral ends 10,
11, reliées par une partie médiane 12, schématisée par une croix. Selon l'exemple de véhicule 1 représenté, lesdites extrémités latérales 10, 11 sont donc celles se trouvant en vis-à-vis des côtés latéraux 13, 14 dudit véhicule 1 et ia partie médiane 12 est située, sensiblement, au voisinage de l'axe longitudinal 5 de ce dernier.11, connected by a middle part 12, shown diagrammatically by a cross. According to the example of vehicle 1 shown, said lateral ends 10, 11 are therefore those located opposite the lateral sides 13, 14 of said vehicle 1 and the middle part 12 is located, substantially, in the vicinity of the longitudinal axis 5 of the latter.
De manière à autoriser ia ventilation, le chauffage et/ou sa climatisation, ledit tableau de bord 9 est apte à permettre au moins la diffusion latérale d'un flux d'air dans ledit habitacle 3 du véhicule 1.In order to allow ventilation, heating and / or air conditioning, said dashboard 9 is able to allow at least the lateral diffusion of an air flow in said passenger compartment 3 of vehicle 1.
Les termes de diffusion latérale signifient que ledit flux d'air est dirigé dans l'habitacle 3, au moins en direction des régions dudit habitacle 3 se trouvant en vis-à-vis desdites extrémités latérales 10, 11 , c'est-à-dire selon l'exemple illustré, en direction des côtés du conducteur et/ou du passager avant orientés vers les portières. Ledit flux d'air peut également être orienté vers lesdites portières elie-mêmes, notamment de manière à permettre le dégivrage et/ou désembuage de leur surface vitrée. Selon l'invention, le tableau de bord 9 présente une zone d'émission 15 dudit flux d'air diffusé latéralement, déporté vers ladite partie médiane 12. Par zone d'émission, on entend zone au niveau de laquelle le flux arrive à la surface extérieure du tableau de bord 9, ladite surface extérieure étant celle se trouvant en vis-à-vis des passagers. La dite zone d'émission 15 est donc éloignée des extrémités latérales 10, 11 et, pour permettre audit flux diffusé latéralement d'atteindre les régions décrites plus haut, elle coopère avec des moyens 16 pour guider extérieurement le flux d'air émis le long dudit tableau de bord 9 et assurer sa diffusion latérale, comme illustré, par exemple, par les flèches repérées 17, 18. Par extérieurement, on entend le fait que le flux d'air émis dans la zone d'émission 15 est guidé, comme développé plus loin, à la surface extérieure du tableau de bord 9. Ce dernier permet donc d'éviter les grandes longueurs de conduits, prévues sous les tableaux de bord précédemment connus pour acheminer l'air jusque dans leurs zones d'émission, celles-ci se trouvant au voisinage de leurs extrémités latérales.The terms lateral diffusion mean that said air flow is directed into the passenger compartment 3, at least in the direction of the regions of said passenger compartment 3 located opposite said lateral ends 10, 11, that is to say say according the example illustrated, in the direction of the driver's and / or front passenger's sides facing the doors. Said air flow can also be directed towards said doors themselves, in particular so as to allow defrosting and / or demisting of their glazed surface. According to the invention, the dashboard 9 has an emission zone 15 of said laterally diffused air flow, offset towards said middle part 12. By emission zone is meant zone at which the flow arrives at the outer surface of the dashboard 9, said outer surface being that which is opposite the passengers. Said emission zone 15 is therefore distant from the lateral ends 10, 11 and, in order to allow said laterally diffused flow to reach the regions described above, it cooperates with means 16 for externally guiding the flow of air emitted along said dashboard 9 and ensure its lateral distribution, as illustrated, for example, by the arrows marked 17, 18. By outside, it is meant that the air flow emitted in the emission zone 15 is guided, as developed below, on the outside surface of the dashboard 9. The latter therefore makes it possible to avoid the long lengths of ducts, provided under the dashboards previously known for conveying air into their emission zones, ci located near their lateral ends.
Le tableau de bord conforme à l'invention permet ainsi, notamment, de diminuer les pertes de charge et d'améliorer la diffusion de l'air .The dashboard according to the invention thus makes it possible, in particular, to reduce the pressure drops and to improve the air diffusion.
Si l'on se reporte maintenant à la figure 2, on constate que, selon l'exemple particulier de tableau de bord 9 représenté, conforme à l'invention, la zone d'émission 15 est prévue, plus précisément, au niveau de la partie médiane 12 et présente au moins deux orifices 19, 20, dits à flux latéral. Ces derniers sont respectivement aptes à permettre la diffusion d'un flux d'air vers chacune des extrémités latérales 10, 11 du tableau de bord 9, par exemple selon lesdites flèches repérées 17, 18. Selon l'exemple illustré, le tableau de bord 9 est apte à permettre, par exemple, en outre, la diffusion directe d'un flux d'air dans l'habitacle 3 du véhicule 1 , notamment selon la flèche repérée 21. Pour cela, ladite zone d'émission 15 présente en outre, par exemple, au moins un orifice 22 supplémentaire, dit à flux direct, apte à permettre ladite diffusion directe, c'est-à-dire sans guidage préalable du flux d'air émis à la surface du tableau de bord 9.Referring now to FIG. 2, it can be seen that, according to the particular example of dashboard 9 shown, in accordance with the invention, the emission zone 15 is provided, more precisely, at the level of the middle part 12 and has at least two orifices 19, 20, said to have lateral flow. The latter are respectively able to allow the diffusion of an air flow towards each of the lateral ends 10, 11 of the dashboard 9, for example according to said arrows marked 17, 18. According to the example illustrated, the dashboard 9 is suitable for allowing, for example, in addition, the direct diffusion of an air flow in the passenger compartment 3 of the vehicle 1, in particular along the arrow marked 21. For this, said emission zone 15 also has, for example, at least one additional orifice 22, said to be of direct flow, capable of allowing said direct diffusion, that is to say without prior guidance of the air flow emitted on the surface of the dashboard 9.
Selon l'exemple de véhicule représenté à la figure 1 , ledit flux direct est orienté, notamment, vers la banquette arrière 8, entre les deux sièges 6, 7 des passagers avant, sensiblement le long de l'axe longitudinal 5 du véhicule 1. Selon des techniques connues de l'homme de l'art, lesdits flux d'air latéraux et/ou directs, sont générés, comme déjà évoqués, par exemple, par un circuit d'aération prévu sous la surface extérieure du tableau de bord 9. Ledit circuit d'aération est constitué, notamment, d'un pulseur et d'un réseau de conduits, non représentés. D'après l'exemple de réalisation de l'invention représenté, le tableau de bord 9 permet donc d'optimiser ledit circuit d'aération, l'ensemble des flux d'air, latéraux et/ou directs, étant commun et débouchant dans une zone d'émission 15 unique pour être alors diffusée séparément dans l'habitacle 3 selon leur direction respective. La longueur du réseau de conduits et les pertes de charge en résultant ainsi que le temps de réponse du circuit d'aération en température sont ainsi diminués de manière avantageuse.According to the example of vehicle shown in FIG. 1, said direct flow is oriented, in particular, towards the rear seat 8, between the two seats 6, 7 of the front passengers, substantially along the longitudinal axis 5 of vehicle 1. According to techniques known to those skilled in the art, said lateral and / or direct air flows are generated, as already mentioned, for example, by a ventilation circuit provided under the external surface of the dashboard 9 Said aeration circuit consists, in particular, of a blower and a network of conduits, not shown. According to the embodiment of the invention shown, the dashboard 9 therefore makes it possible to optimize said aeration circuit, all of the air flows, lateral and / or direct, being common and opening into a single emission zone 15 to then be diffused separately in the passenger compartment 3 according to their respective direction. The length of the network of conduits and the resulting pressure losses as well as the response time of the temperature aeration circuit are thus advantageously reduced.
Aux figures 2 et 3, on constate que ladite zone d'émission 15 est constituée, notamment, d'une proéminence 23, présentant lesdits orifices à flux latéral 19, 20, sur chacune de ses faces latérales 24, 25 et lesdits orifices à flux direct 22 sur sa face frontale 26.In FIGS. 2 and 3, it can be seen that said emission zone 15 is made up, in particular, of a protrusion 23, having said lateral flow orifices 19, 20, on each of its lateral faces 24, 25 and said flow orifices direct 22 on its front face 26.
Par face latérale 24, 25, on entend face de la proéminence 23, sensiblement orthogonale à la surface extérieure du tableau de bord 9. Par face frontale 26, on entend face de la proéminence 23 orientée sensiblement parallèlement à ladite surface extérieure du tableau de bord 9. Comme représentée, ladite proéminence 23 constitue, par exemple, une colonne, orientée sensiblement verticalement. De manière à améliorer l'aspect esthétique du tableau de bord 9, la proéminence 23 peut présenter, éventuellement, des rebords 27, aptes à masquer lesdits orifices à flux latéral 19, 20.By lateral face 24, 25 is meant the face of the protrusion 23, substantially orthogonal to the outer surface of the dashboard 9. By frontal face 26, is meant the face of the protrusion 23 oriented substantially parallel to said outer surface of the dashboard 9. As shown, said prominence 23 constitutes, for example, a column, oriented substantially vertically. In order to improve the aesthetic appearance of the dashboard 9, the protrusion 23 may possibly have edges 27 capable of masking said lateral flow orifices 19, 20.
Selon l'exemple particulier de réalisation illustré, lesdits orifices à flux latéral 19, 20 ainsi que l'orifice à flux direct 22 sont munis, notamment, de grilles de ventilation 33.According to the particular exemplary embodiment illustrated, said lateral flow orifices 19, 20 as well as the direct flow orifice 22 are provided, in particular, with ventilation grids 33.
Les moyens 16 pour guider librement le ou les flux d'air diffusés latéralement sont constitués, par exemple, par des renfoncements 28, 29 présentant une courbure donnée, prévue entre ladite zone d'émission 15 et lesdites extrémités latérales 10, 11. Lesdits renfoncements 28, 29 forment, notamment, des déflecteurs.The means 16 for freely guiding the laterally diffused air stream (s) consist, for example, of recesses 28, 29 having a given curvature, provided between said emission zone 15 and said lateral ends 10, 11. Said recesses 28, 29 form, in particular, deflectors.
Comme illustrés, lesdits orifices à flux latéral sont orientés, notamment, vers le quart avant de l'habitacle 3 du véhicule 1 et coopèrent ainsi avec les renfoncements 28, 29 au niveau de leur extrémité prévue du côté de la zone d'émission 15.As illustrated, said lateral flow orifices are oriented, in particular, towards the front quarter of the passenger compartment 3 of the vehicle 1 and thus cooperate with the recesses 28, 29 at their end provided on the side of the emission zone 15.
A la figures 4, on constate que lesdits renfoncements 28, 29 comprennent, par exemple, une première région 30, sensiblement plan, légèrement inclinée, notamment par rapport à l'horizontale, et une seconde région 31, définissant une surface incurvée le long du tableau de bord 9 de manière sensiblement elliptique, prolongeant la première vers l'extrémité supérieure dudit tableau de bord 9, selon un profil arrondi. Ils présentent donc, par exemple, une forme d'écope.In FIGS. 4, it can be seen that said recesses 28, 29 comprise, for example, a first region 30, substantially planar, slightly inclined, in particular with respect to the horizontal, and a second region 31, defining a curved surface along the dashboard 9 in a substantially elliptical manner, extending the first towards the upper end of said dashboard 9, according to a rounded profile. They therefore have, for example, a form of scoop.
Lesdits flux d'air diffusés latéralement sont ainsi guidés le long desdits renfoncements 28, 29 et dirigés vers l'intérieur de l'habitacle 3, par exemple, selon une direction sensiblement tangente à l'orientation des extrémités desdits renfoncements 28, 29 prévues du côté des extrémités latérales 10, 11 du tableau de bord 9, notamment, comme évoqué plus haut, vers les côtés du conducteur et du passager avant orientés en vis-à-vis des portières du véhicule 1 et/ou vers les surfaces vitrées desdites portières. Si l'on se reporte de nouveau à la figure 3, on constate que le tableau de bord 9 présente, éventuellement, des éléments intégrés dont les contours extérieurs participent à la définition desdits renfoncements 28, 29. II s'agit, par exemple, du capot d'un airbag pour le renfoncement se trouvant du côté passager ou, pour le renfoncement se trouvant du côté conducteur, de là visière et de la glace du boîtier d'instrumentation 32. Dans le cas de figure où ledit boîtier d'instrumentation est rapporté, c'est alors le dessus du tableau de bord 9 qui peut, par exemple, présenter une forme d'écope.Said laterally diffused air flows are thus guided along said recesses 28, 29 and directed towards the interior of the passenger compartment 3, for example, in a direction substantially tangent to the orientation of the ends of said recesses 28, 29 provided for side of the lateral ends 10, 11 of the dashboard 9, in particular, as mentioned above, towards the sides of the driver and of the front passenger facing the doors of the vehicle 1 and / or towards the glazed surfaces of said doors . If we refer again to Figure 3, we see that the dashboard 9 has, possibly, integrated elements whose external contours participate in the definition of said recesses 28, 29. These are, for example, the hood of an airbag for the recess located on the passenger side or, for the recess located on the driver's side, there visor and the glass of the instrumentation box 32. In the case where said instrumentation box is attached, it is then the top of the dashboard 9 which can, for example, have the shape of a scoop.
Par ailleurs, ledit tableau de bord comprend, éventuellement, en outre, des moyens pour régler le débit du ou des flux d'air émis. II s'agit, par exemple, d'un dispositif de commande des caractéristiques du circuit d'aération, notamment accessible à la surface extérieure dudit tableau de bordFurthermore, said dashboard optionally further includes means for adjusting the flow rate of the emitted air flow (s). It is, for example, a device for controlling the characteristics of the ventilation circuit, in particular accessible on the exterior surface of said dashboard
9 de manière à pouvoir être réglé par les passagers du véhicule 1.9 so that it can be adjusted by the passengers of vehicle 1.
Lesdites caractéristiques du circuit d'aération sont constituées, par exemple, du débit d'air généré par le pulseur et/ou par la position d'un ou plusieurs clapets obturant plus ou moins le réseau de conduits dudit circuit.Said characteristics of the ventilation circuit consist, for example, of the air flow generated by the blower and / or by the position of one or more valves closing more or less the network of conduits of said circuit.
Les moyens pour régler le débit permettent ainsi d'obtenir, par exemple, soit une diffusion douce lorsque ce dernier est faible, soit une déviation importante du flux d'air, notamment pour le désembuage, lorsqu'il est plus élevé. Par contre, à débit donné, selon un exemple particulier de mise en oeuvre de l'invention, ia direction du ou des flux d'air diffusés latéralement est invariable. Les occupants du véhicule 1 sont ainsi affranchis du réglage délicat et fastidieux de l'orientation du flux d'air, ce qui permet, notamment au conducteur, de ne pas se laisser distraire et de se consacrer entièrement à la circulation.The means for adjusting the flow rate thus make it possible to obtain, for example, either a gentle diffusion when the latter is low, or a significant deflection of the air flow, in particular for demisting, when it is higher. On the other hand, at a given flow rate, according to a particular example of implementation of the invention, the direction of the air stream or streams diffused laterally is invariable. The occupants of vehicle 1 are thus freed from the delicate and tedious adjustment of the orientation of the air flow, which allows, in particular the driver, not to be distracted and to devote himself entirely to traffic.
De plus, ceci permet d'utiliser des grilles de ventilation 33 fixes et d'éviter l'augmentation des niveaux de bruit engendrés par les turbulences des grilles de ventilation mobiles des tableaux de bord antérieurement connus.In addition, this makes it possible to use fixed ventilation grilles 33 and to avoid the increase in the noise levels generated by the turbulence of the mobile ventilation grilles of the previously known dashboards.
II est à noter que la présente invention porte aussi bien sur des tableaux constitués d'un matériau plein présentant des réservations pour les différents instruments de bord que sur des tableaux de bord constitués d'un panneau à travers lequel débouchent lesdits instruments.It should be noted that the present invention relates both to tables made of a solid material having reservations for the various on-board instruments and to dashboards made of a panel through which the said instruments open.
En outre, d'autres modes de réalisation que celui illustré, à la portée de l'homme de l'art, auraient pu être envisagés sans pour autant sortir du cadre de ia présente demande. In addition, other embodiments than that illustrated, within the reach of ordinary skill in the art, could have been envisaged without departing from the scope of the present application.

Claims

REVENDICATIONS
1. Tableau de bord (9) pour véhicule (1), notamment véhicule automobile, présentant deux extrémités latérales (10, 11) reliées par une partie • médiane (12), ledit tableau de bord (9) étant apte à permettre au moins la diffusion latérale d'un flux d'air dans l'habitacle (3) du véhicule (1), caractérisé par le fait qu'il présente :1. Instrument panel (9) for a vehicle (1), in particular a motor vehicle, having two lateral ends (10, 11) connected by a middle part (12), said instrument panel (9) being able to allow at least the lateral diffusion of an air flow in the passenger compartment (3) of the vehicle (1), characterized in that it has:
- une zone d'émission (15) dudit flux d'air, déportée vers ladite partie médiane (12), coopérant avec :- an emission zone (15) of said air flow, offset towards said central part (12), cooperating with:
- des moyens (16) pour guider extérieurement le flux d'air émis le long dudit tableau de bord (9) et assurer sa diffusion latérale.- Means (16) for externally guiding the air flow emitted along said dashboard (9) and ensuring its lateral diffusion.
2. Tableau de bord (9) selon la revendication 1 , comprenant, en outre, des moyens pour régler le débit du flux émis.2. Dashboard (9) according to claim 1, further comprising means for adjusting the flow rate of the emitted stream.
3. Tableau de bord (9) selon la revendication 1 , dans lequel ladite zone d'émission (15), prévue au niveau de ladite partie médiane (12), présente au moins deux orifices (19, 20), dits à flux latéral, respectivement aptes à permettre la diffusion d'un flux d'air vers chacune des extrémités latérales (10, 11) dudit tableau de bord (9).3. dashboard (9) according to claim 1, wherein said emission zone (15), provided at said median part (12), has at least two orifices (19, 20), called lateral flow , respectively capable of allowing the diffusion of an air flow towards each of the lateral ends (10, 11) of said dashboard (9).
4. Tableau de bord (9) selon la revendication 3, dans lequel ladite zone d'émission (15) présente, en outre, au moins un orifice supplémentaire (22) dit à flux direct, apte à permettre, en outre, la diffusion directe d'un flux d'air dans l'habitacle (3) du véhicule (1), .4. dashboard (9) according to claim 3, wherein said emission zone (15) has, in addition, at least one additional orifice (22) said direct flow, adapted to allow, in addition, the diffusion direct air flow in the passenger compartment (3) of the vehicle (1),.
5. Tableau de bord (9) selon la revendication 4, dans lequel ladite zone d'émission (15) est constituée d'une proéminence (23), présentant lesdits orifices à flux latéral (19, 20) sur chacune de ses faces latérales (24, 25) et lesdits orifices à flux direct (22) sur sa face frontale (26).5. Dashboard (9) according to claim 4, wherein said emission zone (15) consists of a protrusion (23), having said lateral flow orifices (19, 20) on each of its lateral faces (24, 25) and said direct flow orifices (22) on its front face (26).
6. Tableau de bord (9) selon la revendication 5, dans lequel ladite proéminence (23) présente des rebords (27) aptes à masquer lesdits orifices à flux latéral (19, 20).6. dashboard (9) according to claim 5, wherein said protuberance (23) has flanges (27) capable of masking said lateral flow orifices (19, 20).
7. Tableau de bord (9) selon la revendication 1 , dans lequel les moyens (16) pour guider extérieurement le flux d'air sont constitués par des renfoncements (28, 29) présentant une courbure donnée, prévue entre ladite zone d'émission (15) et lesdites extrémités latérales (10, 11), formant des déflecteurs.7. dashboard (9) according to claim 1, wherein the means (16) for externally guiding the air flow consist of recesses (28, 29) having a given curvature, provided between said emission zone (15) and said lateral ends (10, 11), forming deflectors.
8. Tableau de bord (9) selon la revendication 7, dans lequel lesdits renfoncements (28, 29) comprennent une première région (30) sensiblement plan, légèrement inclinée, et une seconde région (31), définissant une surface incurvée le long dudit tableau de bord (9) de manière sensiblement elliptique, prolongeant la première vers l'extrémité supérieure dudit tableau de bord (9), selon un profil arrondi.8. A dashboard (9) according to claim 7, wherein said recesses (28, 29) comprise a first region (30) substantially planar, slightly inclined, and a second region (31), defining a curved surface along said dashboard (9) substantially elliptical, extending the first towards the upper end of said dashboard (9), according to a rounded profile.
9. Tableau de bord (9) selon la revendication 7 présentant des éléments intégrés dont les contours extérieurs participent à la définition desdits renfoncements (28, 29).9. dashboard (9) according to claim 7 having integrated elements whose external contours participate in the definition of said recesses (28, 29).
10. Tableau de bord (9) selon la revendication 2, dans lequel la direction du flux d'air est invariable à débit donné. 10. Dashboard (9) according to claim 2, wherein the direction of the air flow is invariable at a given flow rate.
EP97901672A 1996-01-31 1997-01-24 Dashboard for vehicle, for example motor vehicles capable of diffusing an air flow into the occupants space of said vehicle Withdrawn EP0877698A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9601372 1996-01-31
FR9601372A FR2744090B1 (en) 1996-01-31 1996-01-31 DASHBOARD FOR VEHICLE SUCH AS, FOR EXAMPLE, MOTOR VEHICLES, SUITABLE FOR ALLOWING THE DIFFUSION OF AIRFLOWS IN THE INTERIOR OF SAID VEHICLE
PCT/FR1997/000148 WO1997028038A1 (en) 1996-01-31 1997-01-24 Dashboard for vehicle, for example motor vehicles capable of diffusing an air flow into the occupants space of said vehicle

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US20070052262A1 (en) * 2003-10-08 2007-03-08 Behr Gmbh & Co Kg Structural element, use of a structural element and method for producing a structural element, particularly a cross member for a vehicle
DE502004007509D1 (en) * 2003-10-08 2008-08-14 Behr Gmbh & Co Kg COMPONENT, PARTICULAR HYBRID COMPONENT FOR A VEHICLE CROSSBAR AND USE OF A COMPONENT
US9320564B2 (en) 2005-05-05 2016-04-26 Boston Scientific Scimed Inc. Steerable catheter and method for performing medical procedure adjacent pulmonary vein ostia
JP7077980B2 (en) * 2019-02-01 2022-05-31 トヨタ自動車株式会社 Instrument panel structure for vehicles

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DE2338878A1 (en) * 1973-08-01 1975-02-13 Volkswagenwerk Ag Fresh air ventilation system for car - has airstream deflectors on inside of door to deflect air over side of occupant
FR2690110B1 (en) * 1992-04-16 1994-06-03 Valeo Thermique Habitacle DEVICE FOR HEATING-VENTILATION AND / OR AIR CONDITIONING OF THE INTERIOR OF A MOTOR VEHICLE.
EP0590166B1 (en) * 1992-09-23 1996-01-17 Siemens Aktiengesellschaft Ventilation device for an area, especially the footspace of an automotive vehicle

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FR2744090A1 (en) 1997-08-01

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