Assembly for the front of a motor vehicle including a fixed hood

Abstract

The assembly (1) for the front of a motor vehicle (2) comprises: - a base intended to be fixed to a support structure (4) of a motor vehicle (2), and - a hood (5) of a motor vehicle (2). The hood (5) is fixedly mounted on the base, the hood (5) and the base defining an internal volume between them. Figure 1

Description

Title of the invention: Assembly for the front of a motor vehicle comprising a fixed hood. Technical field

[0001] The invention relates to an assembly for a front of a motor vehicle, including in particular a hood of a motor vehicle, as well as a motor vehicle comprising such an assembly and a method of manufacturing a motor vehicle comprising such an assembly. Technical background

[0002] Generally speaking, the aim is to provide a motor vehicle that is as light as possible in order, among other things, to reduce fuel consumption for internal combustion or hybrid vehicles, or electricity consumption for electric or hybrid vehicles. Furthermore, the lighter a vehicle is, the less polluting it is, all other things being equal. The issue of reducing the weight of motor vehicles is particularly important for electric vehicles, which carry batteries weighing several hundred kilograms.

[0003] Several methods of reducing the weight of a motor vehicle are known from the prior art. For example, it is known to use materials that are both lightweight and strong, such as thermoplastic composite materials that include reinforcing fibers, instead of other, heavier materials. Another solution is sometimes to forgo optional equipment in order to avoid adding extra weight to the motor vehicle.

[0004] Nevertheless, new solutions enabling the reduction of the weight of a motor vehicle are still desired. Summary of the invention

[0005] Thus, the invention aims in particular to provide an assembly for a front end of a motor vehicle which makes it possible to reduce the weight of a motor vehicle on which the assembly is mounted.

[0006] To this end, the invention relates to an assembly for the front of a motor vehicle, comprising: - a base intended to be fixed to a motor vehicle support structure, - a motor vehicle hood, in which the hood is fixedly mounted on the base, the hood and the base delimiting between them an internal volume.

[0007] The fact that the hood is fixedly mounted on the base eliminates the need for hinges to open and close the hood. This allows for both a Reducing the manufacturing cost and weight of the entire front end of a motor vehicle is particularly desirable for vehicles, notably to decrease fuel and / or electricity consumption and improve their environmental footprint. Furthermore, hood hinges, which are robust mechanical devices, pose a significant risk of pedestrian injury in a frontal collision. Eliminating these hinges reduces the risk of injury in a frontal impact with a pedestrian, or at the very least, lessens the severity of any potential injury. In addition, the fact that the hood is fixed prevents it from being subjected to excessive stress and allows it to be dimensioned to withstand the mechanical stresses of an opening hood. Therefore, it can be expected that the hood will be lighter than a hinged hood of equivalent dimensions.

[0008] The term "fixed hood mounted on the base" refers to the fact that the hood has no degree of freedom of movement relative to the base. In other words, the hood is fixed to the base in such a way that it cannot be opened during normal use of the motor vehicle. Thus, any motor vehicle components located under the hood, within the internal space, are not exposed to a risk of damage that would result from opening the hood. It is understood that elements requiring easy access, such as vehicle inspection or maintenance points, must be located elsewhere on the vehicle than under the hood. It is therefore understood that it is possible to place under this fixed hood, within the internal space, functional motor vehicle components that are not intended to be easily accessible and / or that are fragile and / or expensive.For example, one can plan to install an acoustic vehicle alert system (AVAS), a telematics antenna, a satellite antenna, a display device, an airbag module, a windshield wiper motor, a radar, a lidar or a camera.

[0009] The use of a base, on which the hood is mounted, facilitates the manufacture of the motor vehicle. Indeed, the functional components supported by the base are referenced to the base, thus simplifying their positioning relative to one another. It is therefore easier to adjust the clearances and flushness between these different functional components. A support structure for the motor vehicle corresponds, for example, to a body-in-white of the motor vehicle.

[0010] The term "motor vehicle hood" refers to a large body panel extending substantially from one side edge of the motor vehicle to a second side edge of the motor vehicle and situated, along a principal longitudinal axis of the motor vehicle, between a bumper and a windshield of the motor vehicle. A hood generally comprises a panel exterior, also called "skin", possibly reinforced by an internal reinforcement structure, sometimes called an internal reinforcement box or lining, which is attached to an inner face of the skin, for example by gluing, welding or screwing.

[0011] The invention may include one or more of the following optional features, taken alone or in combination.

[0012] The assembly further comprises at least one functional component of a motor vehicle, which is mounted on the base and positioned at least partially within the internal volume. The functional component is thus protected from potential damage by being placed under the fixed hood and within the internal volume delimited by the fixed hood and the base. It is further understood that the assembly of the motor vehicle on which the assembly is mounted is facilitated, since mounting the base on the motor vehicle's support structure allows not only the hood to be mounted on the motor vehicle but also, at the same time, the functional component to be mounted.Furthermore, the positioning of this functional component in relation to the fixed hood or other elements supported by the base on the one hand, and in relation to the support structure of the motor vehicle or other functional components of the motor vehicle on the other hand, is facilitated since a correct positioning of the base on the support structure allows, at the same time, a correct positioning of the functional component supported by the base.

[0013] In one embodiment, the motor vehicle hood comprises an inner face, facing the internal volume, and an outer face, opposite the inner face. The assembly further comprises at least one functional motor vehicle component that is fixed to the inner face of the motor vehicle hood and positioned at least partially within the internal volume. Since the functional component is fixed to the hood, which is fixed relative to the base, it is not at risk of being damaged or having its operation disrupted by movement of the hood to which it is fixed. This makes it possible to optimize the usable volume of the internal space delimited between the fixed hood and the base. In one embodiment, the functional component may, for example, be overmolded by the inner face of the hood. In another embodiment, the functional component may, for example, be adhered to the inner face of the hood.

[0014] Preferably, the functional component of the motor vehicle is selected from among a display device, an airbag, a satellite antenna, a telematics antenna, a windshield wiper motor, a radar, a lidar, a camera, or an acoustic warning system. This provides advantageous protection for the functional component(s) against potential chemical or mechanical damage.

[0015] Advantageously, the hood extends from a first longitudinal end of the base, intended to be adjacent to an edge of a motor vehicle windshield when the assembly is mounted on a motor vehicle, to a second end The longitudinal end of the base is designed to be adjacent to a motor vehicle bumper when the assembly is mounted on a motor vehicle. It is therefore understood that the hood extends over a large portion of the front of the motor vehicle and thus serves as a covering for a significant portion of the vehicle. Moving from the front to the rear of the motor vehicle, one typically encounters, successively, a bumper, the fixed hood, a cowl grille, and then the windshield. It is understood that the first longitudinal end of the base, adjacent to a windshield edge, is located near the windshield edge without necessarily being in contact with it. In particular, one or more components of the motor vehicle may be interposed between the first longitudinal end of the base and the windshield edge, such as a cowl grille.

[0016] Advantageously, the hood comprises an outer panel and an internal reinforcement structure for the outer panel. The outer panel is formed in two parts, referred to as the first outer panel part and the second outer panel part, which are attached to the internal reinforcement structure of the outer panel. The fact that the outer panel, also called the "skin," is made in two parts facilitates its manufacture and assembly onto the internal reinforcement structure, as well as the maintenance of a motor vehicle equipped with such an assembly. Indeed, if it is necessary to access a component of the motor vehicle located under the hood, it is easier to remove only a portion of the hood to gain access rather than having to remove the entire hood.

[0017] Advantageously, the internal reinforcement structure is formed in two parts, referred to as the first part of the internal reinforcement structure and the second part of the internal reinforcement structure, the first and second parts of the internal reinforcement structure forming, respectively, an internal reinforcement structure for the first and second parts of the outer panel. It is thus easier to adapt each internal reinforcement structure to the reinforcement requirements associated with the part of the outer panel that it is intended to reinforce.

[0018] Alternatively, the internal reinforcement structure is formed from a single piece. The fact that the two parts of the outer panel are mounted on the same internal reinforcement structure makes it easier to manage the play between these first and second parts of the outer panel, and thus ensure that this play is as small as possible.

[0019] According to one embodiment, a cut line, separating the first part of the outer panel and the second part of the outer panel, is arranged in a direction parallel to a main longitudinal axis of the hood. It is understood that the cut line, also called the separation line, is therefore a longitudinal cut line. In the case of a longitudinal separation line, it is understood that the The first and second parts of the outer panel each extend respectively from a first longitudinal edge of the base, for example the front edge, to a second longitudinal edge of the base, for example the rear edge

[0020] According to another embodiment, a cutting line, separating the first outer panel section and the second outer panel section, is arranged orthogonally to a principal longitudinal axis of the hood. The cutting line is then a transverse cutting line. In the case of a transverse cutting line, it is understood that the first and second outer panel sections each extend respectively from a first lateral edge of the base to a second lateral edge of the base and follow one another when traversing the base from a front face of the base to a rear face of the base.

[0021] Advantageously, the cutting line separates the outer panel into two equal parts.

[0022] Preferably, a cut line separating the first and second outer panel sections is arranged so as to coincide with a style line of the assembly. A style line is a line within the same part or between two adjacent parts that represents a discontinuity in the three-dimensional shape on either side of that line. In this way, stylistic breaks in the motor vehicle on which the assembly is intended to be mounted are minimized.

[0023] Advantageously, the hood comprises an outer panel and an internal reinforcing support structure for the outer panel, which is formed by the base. According to this embodiment, it is understood that the base is used not only to facilitate the mounting of the fixed hood onto the vehicle's support structure, but also to replace the internal reinforcing structure of the outer panel, which is conventionally attached to an outer panel to form a hood. In this way, the weight of the assembly, and therefore of the vehicle on which the assembly is intended to be mounted, is further reduced.

[0024] Preferably, the base comprises at least one region extending projecting towards the outer panel of the hood and forming a support point for the outer panel of the hood. This projecting region thus mechanically reinforces the outer panel and prevents, for example, the outer panel from denting excessively when subjected to an external force such as a person's hand resting on the hood. The projecting region that forms a support for the hood also contributes to maintaining the hood's shape. Depending on the embodiment, the base may comprise several regions extending projecting towards the outer panel of the hood and forming a support point for the panel. exterior of the hood. It is understood that the region extends in projection towards an inner face of the outer panel.

[0025] The invention also relates to a motor vehicle comprising an assembly for a front of a motor vehicle as described above.

[0026] The invention also relates to a method for manufacturing a motor vehicle, in which: a) A hood is mounted in a fixed manner on a base so as to obtain an assembly as described above, and b) the assembly obtained in step a) is mounted on a front face of a motor vehicle support structure.

[0027] It is noted that the method according to the invention allows the fixed hood to be attached simply to the vehicle's support structure. Furthermore, when the base supports other functional components of the vehicle, these components are also easily installed when the base is attached to the vehicle's support structure. Brief description of the figures

[0028] The invention will be better understood upon reading the following description, given solely by way of non-limiting example and made with reference to the accompanying drawings in which:

[0029] Fig. 1 is a perspective view of a front face of a motor vehicle comprising an assembly according to a first embodiment of the invention.

[0030] Fig. 2 is an exploded perspective view of part of the whole of Fig. 1 in which only the hood and the base are shown.

[0031] [Fig.3] is an exploded perspective view of the whole of [Fig.1].

[0032] The [Fig.4] is a section BB along a main longitudinal axis of the hood of the assembly according to the first embodiment of the invention.

[0033] The [Fig.5] is a section BB along a main longitudinal axis of the hood of the assembly according to a second embodiment of the invention. Detailed description

[0034] Figures 1 to 4 show an assembly 1 for the front of a motor vehicle 2 according to a first embodiment of the invention.

[0035] Assembly 1 comprises a base 3 intended to be fixed to a support structure 4 of the motor vehicle 2. The base 3 is intended, in particular, to provide support for functional components of the motor vehicle 2. The base 3 may be made of any material compatible with its function of supporting functional components of the motor vehicle 2. In the present case, the base 3 is made of a material selected, for example, from steels, aluminum, plastics, thermoplastic or thermosetting composite materials possibly reinforced with talc or reinforcing fibers, such as glass fibers, carbon fibers, flax fibers, hemp fibers or mixtures of several of these materials.

[0036] The assembly 1 further includes a hood 5 of a motor vehicle 1 fixedly mounted on the base 3. The hood 5 and the base 3 delimit between themselves an internal volume 16 suitable, in the present case, to accommodate at least one functional component of the motor vehicle 2. The hood 5 being fixedly mounted on the base 3, it is understood that it is constantly in a position which can be described as "closed" by analogy with a conventional hood of the prior art ([Fig.1]).

[0037] According to the first embodiment, the hood 5 comprises an outer panel 6 and an internal reinforcing structure 7 for the outer panel 6. The outer panel 6 is formed in two parts, referred to as the first part 8 of the outer panel 6 and the second part 9 of the outer panel 6. The first part 8 of the outer panel 6 and the second part 9 of the outer panel 6 are attached to the internal reinforcing structure 7 by any known means, for example, by gluing, screwing, or welding. Depending on the embodiment, the internal reinforcing structure may also be made in two parts 7a, 7b (see Figures 3 and 4) or be made in one part. According to the first embodiment, each part 8, 9 of the outer panel 6 is associated respectively with an internal reinforcing structure 7a, 7b.When the outer panel 6 is formed in two parts 8, 9, it is understood that the first part 8 of the outer panel 6 and the second part 9 of the outer panel 6 are each respectively fixedly mounted on the base 3 or on the internal reinforcement structure 7a, 7b. According to the first embodiment, the cut line 23 between the first and second parts 8, 9 of the outer panel 6 is transverse, i.e., orthogonal to a principal longitudinal axis A of the hood 5. As illustrated in Figures 1 and 2, each part 8, 9 of the outer panel 6 extends from a first lateral edge of the base 3 to a second lateral edge of the base 3, so that the first and second parts 8, 9 of the outer panel 6 follow one another when moving from front to back across the vehicle. Alternatively, the cut line 23 can be arranged in a direction parallel to a principal longitudinal axis A of the hood 5.

[0038] As illustrated in Figures 1 and 2, the hood 5 extends from a first longitudinal end of the base 3, intended to be adjacent to an edge of a windscreen 22 of a motor vehicle 2 when the assembly 1 is mounted on a motor vehicle 2, to a second longitudinal end of the base 3, intended to be adjacent to a bumper 11 of a motor vehicle 2 when the assembly 1 is mounted on a motor vehicle 2. In the present case, a canopy grille 12 is arranged between the hood 5 and the windscreen 22.

[0039] Since the hood 5 is fixedly mounted on the base 3, no hinge is required, thus reducing the weight of the assembly 1 compared to an assembly with a movable hood. Furthermore, the absence of a hinge improves the safety of the motor vehicle 2 by avoiding the placement of hard points in areas that could be struck by a pedestrian's body during a collision.

[0040] As illustrated in [Fig.3], the base 3 forms a support for several functional components of the motor vehicle 2. In particular, according to the present embodiment, the base 3 forms a support for a display device (not shown), an airbag module 13, a satellite antenna (not shown), a telematics antenna (not shown), a windshield wiper motor 14, a radar (not shown), a lidar (not shown), a camera (not shown), an acoustic warning system (not shown), an optical unit 15, at least one wing part 17, a support 18 for at least one wing part 17, electrical connection means 24, or electrical charging means 19.It is understood that the fact that base 3 serves as a support for several functional components of motor vehicle 2 makes it easier to assemble motor vehicle 2 since fixing base 3 onto the support structure 4 of motor vehicle 2 allows all the functional components carried by base 3 to be fixed and positioned correctly in relation to the rest of motor vehicle 2.

[0041] The fact that the base 3 carries the windshield wiper motor 14 and the wipers 14 themselves facilitates the management of risks to a pedestrian in the event of a frontal collision. In particular, the windshield wipers 14 can be provided for to be fixed to the base 3 by means of at least one fusible support configured to deform or break in the event of a collision with a pedestrian. This deformation or breakage notably reduces the energy transmitted to the pedestrian during the collision and thus reduces the risk of injury to the pedestrian.

[0042] The fact that the base 3 carries at least one wing section 17 and / or a support 18 for at least one wing section 17 facilitates the assembly of the motor vehicle 2. In particular, since the hood 5 and the wing section 17 and / or the support 18 for at least one wing section 17 are all fixed to the base 3, managing the mounting clearances between these different elements is simplified. Specifically, it is understood that it is possible to adjust the mounting clearances between the hood 5 and the wing section 17 even before the base 3 has been fixed to the support structure 4 of the motor vehicle 2.

[0043] The optical unit 15 comprises, in this case, two optical blocks intended for the road lighting of the motor vehicle 2. The fact that the base 3 supports the optical blocks of the optical unit 16 facilitates their respective positioning, particularly in relation to the hood 5, but also in relation to the bumper 11 or the fender 17. It can be envisaged that the optical blocks of the optical unit 16 will be fixed on Base 3 is achieved through at least one fusible link configured to deform or break upon impact with a pedestrian. This deformation or breakage helps to reduce the energy transmitted to the pedestrian during the impact and thus reduces the risk of injury.

[0044] The means 19 for electric charging correspond, in the present case, to means enabling connection to an electrical power supply device for charging an electric battery (not shown) of the motor vehicle 2. This is typically a socket into which an electrical connection element connected to an electric charging station is plugged.

[0045] According to the first embodiment, several functional components of the motor vehicle 2 are positioned within the internal volume 16 delimited between the base 3 and the hood 5. In the present case, the functional components arranged within the internal volume 16 are mounted on the base 3. As illustrated in [Fig. 3], the base 3 includes a housing 20 intended to receive at least the airbag module 13. It can be foreseen that the other functional components arranged within the internal volume 16 are selected from among, at a minimum, the display device, the satellite antenna, the telematics antenna, the windshield wiper motor 14, the radar, the lidar, the camera, or the acoustic warning system. It is understood that the functional components arranged within the internal volume 16 are protected from potential chemical or mechanical damage by the fixed hood 5.

[0046] According to the first embodiment, assembly 1 further comprises electrical connection means 24 intended to be connected to complementary electrical connection means carried by the motor vehicle 2 so as to electrically connect assembly 1 to the rest of the motor vehicle 2. It is understood that such an electrical connection makes it possible, in particular, to electrically connect at least one of the functional components carried by the base 3 to an energy source, such as an electric battery, carried by the rest of the motor vehicle 2 in order to be supplied with electrical energy. The base 3 further comprises guidance means (not shown) intended to cooperate with complementary guidance means (not shown) carried by the support structure 4 of the motor vehicle 2 so as to guide the placement of the base 3 on the support structure 4 of the motor vehicle 2.The guidance means are configured so that, after the placement of the base 3 on the support structure 4 has been guided, the electrical connection means 24 of the assembly 1 are electrically connected to the complementary electrical connection means of the motor vehicle 2. The guidance means and the complementary guidance means are, for example, formed by protrusions and hollows of complementary shapes and intended to guide the placement of the base 3 and to orient it so as to make the electrical connection means and the complementary electrical connection means coincide.

[0047] According to one embodiment, at least one of the functional components of the motor vehicle 2 may be mounted on an inner face of the hood 5, for example on the internal reinforcement structure 7a, 7b of the hood 5 and positioned at least partially within the internal volume 16. Since the functional component is fixed to the hood 5, which is stationary relative to the base 3, it is not at risk of being damaged or having its operation disrupted by movement of the hood 5 to which it is attached. This makes it possible to optimize the usable volume of the internal volume 16 delimited between the fixed hood 5 and the base 3.

[0048] A method for manufacturing a motor vehicle 2 is described below, in which: a) a hood 5 is mounted in a fixed manner on a base 3 so as to obtain an assembly 1 as described above, and b) the assembly 1 obtained in step a) is mounted on a front face of a support structure 4 of a motor vehicle 2.

[0049] It is therefore understood that the process includes a first pre-assembly phase during which assembly 1 is prepared for attachment to the support structure 4 of the motor vehicle. In particular, in addition to attaching the hood 5 to the base 3, it is understood that any functional component of the motor vehicle 2 that is to be supported by the base 3 can also be attached to the base 3. During step b) of mounting assembly 1 onto the support structure 4, the base 3, the hood 5, and all the functional components supported by the base 3 are thus mounted in a single operation onto the support structure 4 of the motor vehicle 2.As described previously, it is advantageously provided that the base 3 includes means for guiding the placement of the base 3 on the support structure 4 and that the support structure 4 includes complementary means for facilitating the placement of the base 3 and the electrical connection of the functional components carried by the base 3 to the rest of the motor vehicle 2.

[0050] A second embodiment of an assembly 1 according to the invention is described below with reference to [Fig. 5]. The corresponding elements between the two embodiments are designated by the same reference numeral. Furthermore, the second embodiment is described below only insofar as it differs from the first embodiment. For common features, reference is made to the description of the first embodiment.

[0051] As illustrated in [Fig. 5], the second embodiment differs mainly from the first embodiment in that the internal reinforcement structure 7 of the outer panel 6 of the hood 5 is formed by the base 3. This reduces the number of components used in the manufacture of assembly 1 and therefore reduces the weight and size of assembly 1. According to this second embodiment, the base 3 comprises at least one region 21 extending projecting towards the panel exterior 6 of the hood 5 and forming a support point for the exterior panel 6 of the hood. More specifically, [Fig. 5] illustrates three regions 21 extending in projection towards the exterior panel 6 of the hood 5 so as to form support points for the exterior panel 6 of the hood 5.

[0052] The invention is not limited to the embodiments shown, and other embodiments will be obvious to those skilled in the art. In particular, it is possible to provide that the outer panel 6 of the hood 5 is made in one piece. List of references

[0053] 1: assembly for the front of a motor vehicle 2: motor vehicle 3: base 4: Support structure of the motor vehicle 5: hood 6: Outer hood panel 7, 7a, 7b: internal reinforcement structure of the hood 8: First part of the exterior panel 9: Second part of the exterior panel 11: bumper 12: awning gable 13: Airbag module 14: Windshield wiper 15: optical unit 16: internal volume 17: wing 18: Wing support 19: means of electric charging 20: Housing 21: regions extending outwards 22: Windshield 23: cutting line 24: means of electrical connection A: main longitudinal axis of the hood

Claims

Demands

1. Assembly (1) for a front of a motor vehicle (2), comprising: - a base (3) intended to be fixed on a support structure (4) of a motor vehicle (2), - a hood (5) of a motor vehicle (2), characterized in that the hood (5) is fixedly mounted on the base (3), the hood (5) and the base (3) delimiting between them an internal volume (16).

2. Assembly (1) according to claim 1, further comprising at least one functional motor vehicle component (2) which is mounted on the base (3) and positioned at least partly within the internal volume (16).

3. Assembly (1) according to any one of the preceding claims, wherein the hood (5) of a motor vehicle (2) comprises an inner face, opposite the internal volume (16), and an outer face, opposite the inner face, the assembly further comprising at least one functional component of a motor vehicle (2) which is fixed to the inner face of the hood (5) of a motor vehicle (2) and positioned at least partly within the internal volume (16).

4. Assembly (1) according to claim 2 or 3, wherein the functional motor vehicle component is selected from a display device, an airbag module, a satellite antenna, a telematics antenna, a windshield wiper motor, a radar, a lidar, a camera or an acoustic warning system.

5. Assembly (1) according to any one of the preceding claims, wherein the hood (5) extends from a first longitudinal end of the base (3), intended to be adjacent to an edge of a windscreen (22) of a motor vehicle (2) when the assembly (1) is mounted on a motor vehicle (2), to a second longitudinal end of the base (3), intended to be adjacent to a bumper (11) of a motor vehicle (2) when the assembly (1) is mounted on a motor vehicle (2).

6. Assembly (1) according to any one of the preceding claims, wherein the hood (5) comprises an outer panel (6) and an internal reinforcement structure (7) for the outer panel (6), the outer panel (6) being formed in two parts, referred to as the first part (8) of the outer panel (6) and the second part (9) of the outer panel (6), the first part (8) of the outer panel (6) and the second part (9) of outer panel (6) being fixed to the internal reinforcement structure (7, 7a, 7b) of the outer panel (6).

7. Assembly (1) according to claim 6, wherein the internal reinforcement structure (7) is formed in two parts, referred to as the first part of the internal reinforcement structure (7a) and the second part of the internal reinforcement structure (7b), the first and second parts of the internal reinforcement structure (7a, 7b) forming respectively an internal reinforcement structure for the first and second parts (8, 9) of the outer panel (6).

8. Assembly (1) according to claim 6, wherein the internal reinforcement structure (7) is formed in one piece.

9. Assembly (1) according to any one of claims 6 to 8, wherein a cut line (23), separating the first part (8) of outer panel (6) and the second part (9) of outer panel (6) is arranged in a direction parallel to a principal longitudinal axis (A) of the hood (5).

10. Assembly (1) according to any one of claims 6 to 8, wherein a cut line (23), separating the first part (8) of outer panel (6) and the second part (9) of outer panel (6) is arranged along a direction orthogonal to a principal longitudinal axis (A) of the hood (5).

11. Assembly (1) according to claim 9 or 10, wherein the cut line (23) separates the outer panel (6) into two equal parts (8, 9).

12. Assembly (1) according to any one of claims 6 to 8, wherein a cut line (23), separating the first part (8) of outer panel (6) and the second part (9) of outer panel (6) is arranged so as to be confused with a style line of the assembly (1).

13. Assembly (1) according to any one of the preceding claims, wherein the hood (5) comprises an outer panel (6) and an internal reinforcement structure (7) of the outer panel (6) which is formed by the base (3).

14. Assembly (1) according to the preceding claim, wherein the base (3) comprises at least one region (21) extending in projection towards the outer panel (6) of the hood (5) and forming a support point for the outer panel (6) of the hood (5).

15. Motor vehicle (2) characterized in that it comprises an assembly (1) for a front of motor vehicle (2) according to any one of the preceding claims.

16. Method of manufacturing a motor vehicle (2), characterized in that: a) a hood (5) is mounted in a fixed manner on a base (3) so as to obtain an assembly (1) according to any one of claims 1 to 14, and b) the assembly (1) obtained in step a) is mounted on a front face of a support structure (4) of a motor vehicle (2).

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