Rear trunk assembly for motor vehicle

Abstract

The invention relates to a trunk assembly (1) comprising a pivotally mounted movable tailgate (103), the movable tailgate (103) comprising an outer wall lined with an inner lining between which water can be accumulated in the event of rain, for example. This water is advantageously directed towards drain grooves arranged in the movable tailgate (103), preferably close to the outer wall, and projection nozzles (16) are associated with these drain grooves, so as to be able to expel the water contained therein, transversely to said drain grooves, using an air projection system by said projection nozzles (16).The air thus blown passes right through the part of the drain groove located opposite the projection nozzle (16), so that the water contained in the drain groove is blown towards the outside of the groove by passing through an opening arranged opposite the projection nozzle (16), on the external wall of the movable tailgate (103). Figure to be published with the abstract: Fig. 1.

Description

Title of the invention: Rear trunk assembly for a motor vehicle

[0001] The technical context of the present invention is that of managing the sealing of motor vehicles, and in particular at the level of their rear trunk. More particularly, the invention relates to a rear trunk assembly for a motor vehicle.

[0002] In the state of the art, movable tailgates for rear trunks are known which open by pivoting so as to lift and provide access to the rear trunk of the motor vehicle. However, in rainy weather, the water accumulated on the movable tailgate or flowing onto the movable tailgate runs towards the hinge of the movable tailgate when the latter pivots during its opening. This runoff thus leads to the water present on or in the movable tailgate then falling by gravity into the rear trunk or onto the user of the vehicle placed under or near said movable tailgate. This situation is not desired and particularly unpleasant for the user who receives drops of water on his head while he is under the movable tailgate of his motor vehicle.

[0003] In order to limit this undesirable flow, the use of ribs and drip-breaks arranged on the movable tailgate and on its interior lining is known in order to prevent runoff and to force the detachment of water drops to more favorable locations.

[0004] The use of chutes is also known which allow water to be conveyed by simple gravity when the mobile tailgate is opened to a low point and evacuated outside the opening zone of said mobile tailgate.

[0005] However, these known solutions are not fully satisfactory because it is very difficult to capture all the water present on the movable tailgate in rainy weather, and it always happens that some of the water ends up falling at the opening area of ​​the movable tailgate or in the rear trunk.

[0006] The object of the present invention is to provide a new rear trunk assembly in order to address at least largely the preceding problems and to further lead to other advantages.

[0007] Another object of the invention is to limit the flow of water into the rear trunk and under the movable tailgate when it is opened.

[0008] Another aim of the invention is to propose a rear trunk assembly which is more reliable with regard to this problem of water flow and opening of the movable tailgate.

[0009] Another aim of the invention is to propose a solution that is sufficiently versatile so that it can be fitted to a large number of motor vehicles. different, at lower cost.

[0010] According to a first aspect of the invention, at least one of the aforementioned objectives is achieved with a rear trunk assembly for a motor vehicle, the rear trunk assembly comprising:

[0011] - a movable tailgate pivotally mounted by means of an opening mechanism allowing the movable tailgate to be oriented in any configuration between a closed configuration in which the rear trunk is closed and a raised configuration in which the rear trunk is open;

[0012] - a sensor configured to detect the presence of water on or in the movable tailgate;

[0013] - an air projection system configured to blow pressurized air so as to drain any water present on or in the movable tailgate;

[0014] - a control unit configured to control the projection system.

[0015] In the context of the present invention, a longitudinal axis, a lateral axis and a vertical axis are defined relative to the motor vehicle on which the trunk assembly according to the first aspect of the invention is intended to be mounted. More particularly, the transverse axis is understood as a direction taken between a lateral side of the motor vehicle and an opposite lateral side of said motor vehicle. In other words, the transverse axis is understood as a direction which extends from a passenger side of the motor vehicle to a driver's side of said motor vehicle, or vice versa. The adjectives lateral, inboard and outboard refer to such a transverse axis. Furthermore, the longitudinal axis extends as being taken along a direction which extends from front to rear or from back to front of the motor vehicle. The longitudinal axis is perpendicular to the transverse axis.The adjectives frontal, front and rear refer to this longitudinal axis. Finally, the vertical axis is understood to be taken along an axis that extends from the wheels of the motor vehicle and towards the roof of said motor vehicle, or vice versa, the vertical axis being simultaneously perpendicular to the transverse axis and to the longitudinal axis. The adjectives above and below, or lower and upper refer to this vertical axis.

[0016] In the context of the present invention, the movable tailgate forms a pivoting flap allowing selectively closing the rear trunk or allowing access thereto by pivoting around an axis of rotation. In a known manner, the axis of rotation of the movable tailgate is located at an upper edge of the motor vehicle, above the rear trunk, and extends along the transverse axis, so that when the movable tailgate pivots, it then tilts upwards and forwards. Consequently, during such an opening, the orientation of the movable tailgate is reversed with respect to that in which it is located when closed, so that the runoff of water present on said tailgate is completely modified.

[0017] In the context of the present invention, the rear trunk forms a housing located at the rear of the motor vehicle.

[0018] In the context of the present invention, the sensor may be of any type. By way of non-limiting example, the sensor is of the humidity sensor type.

[0019] In the context of the present invention, the projection system is a system operating with compressed air or using pressurized air in order to be able to remotely blow such pressurized air onto certain specific areas of the tailgate in order to evacuate the water present therein. The projection system is activated in the event of water being detected by the aforementioned sensor.

[0020] In the context of the present invention, the control unit comprises a microcontroller and / or a printed circuit and / or a microprocessor. Additionally, the control unit also optionally comprises a memory. The control unit is electrically connected to the sensor and to the projection system.

[0021] Thus, the rear trunk assembly according to the first aspect of the invention solves the technical problem in that it allows the water present on the tailgate to be evacuated when it is opened, by simple activation of the projection system which, by blowing air, allows the water present on the tailgate to be evacuated effectively and to prevent it from falling on the user of the motor vehicle, the projection system is particularly interesting in that it is versatile and can be adapted to a very large number of motor vehicles, without introducing major design changes on the relevant parts of the tailgate. In particular, the rear trunk assembly allows the water present on the tailgate to be evacuated regardless of the geometry of the rear trunk and said tailgate.

[0022] The rear trunk assembly according to the first aspect of the invention advantageously comprises at least one of the improvements below, the technical characteristics forming these improvements being able to be taken alone or in combination:

[0023] - the projection system comprises an air pressurization member, at least one fluid conduit for conveying air from the pressurization member to the movable tailgate and a piloted valve for controlling an air flow in the at least one fluid conduit. Each at least one fluid conduit is fluidically coupled to the pressurization member, and each fluid conduit opens, at at least one terminal or intermediate end, at the movable tailgate. This advantageous configuration thus makes it possible to circulate air, i.e. to generate an air flow in the at least one fluid conduit, from the pressurization member to one or more outlets arranged on each at least one fluid conduit. As a result, the air leaving through each outlet of the fluid conduit expels the water which is located opposite said outlet. Advantageously, each fluid conduit comprises one or more outlets arranged on the movable tailgate or associated with the mobile tailgate in order to efficiently evacuate water at several points of said mobile tailgate;

[0024] - as non-limiting examples, the pressurization member comprises a com presser or a vacuum pump. In particular, according to a first embodiment, the pressurizing member is associated with a reserve of compressed air fluidly coupled to the at least one fluid conduit, said pressurizing member being configured to pressurize air injected into the reserve of compressed air. This advantageous configuration allows, according to a second embodiment, the pressurizing member comprises a pump coupled to the opening mechanism of the movable tailgate, so that said pump is actuated by the opening of said opening mechanism of the movable tailgate. This advantageous configuration makes it possible to synchronize and at a lower cost - technically and economically - the opening of the movable tailgate and the triggering of the projection system;

[0025] - the rear trunk assembly includes a solenoid valve located in an in position intermediate between the pressurization member and the at least one fluid conduit, the solenoid valve being controlled by the control unit to open when the projection system is activated. The solenoid valve is electrically connected to the control unit and controlled by it;

[0026] - the projection system comprises a plurality of projection nozzles associated with the movable tailgate, the projection nozzles being fluidically coupled to the at least one fluid conduit and oriented towards the outside of the movable tailgate in order to project the water out of said movable tailgate. The projection nozzles are advantageously distributed along the movable tailgate in order to more effectively disperse the water present on said movable tailgate;

[0027] - the movable tailgate comprises an outer wall forming a bodywork element of the motor vehicle, and an interior lining located on the side of the rear trunk, the interior lining and the bodywork element delimiting between them at least one drain groove for rainwater flowing onto the movable tailgate. The drain groove forms, for example, a water flow channel on the movable tailgate. By way of non-limiting example, each at least one flow groove has a transverse profile in the shape of a “U”;

[0028] - the at least one drain groove is arranged along a peripheral edge of the movable tailgate. In particular, the at least one drain groove is arranged along a lateral edge of the movable tailgate. This advantageous configuration makes it possible to more effectively recover the water present on the movable tailgate when it is opened. The at least one drain groove is preferably arranged on the side or opposite the inner lining of the movable tailgate;

[0029] - the projection nozzles are associated with the at least one drain groove. In par- In particular, the spray nozzles are distributed along the at least one drain groove. This advantageous configuration makes it possible to more effectively flush out the water present in the at least one drain groove;

[0030] - relative to the transverse axis of the rear trunk assembly, the nozzles of projections are located on the side of an inner flank of the at least one drain groove and oriented laterally outwards, across said at least one drain groove, said at least one groove comprising a plurality of through openings arranged on an outer flank located opposite said inner flank. This advantageous configuration makes it possible to effectively blow water beyond the movable tailgate, and towards the outside of said movable tailgate, at a distance from said movable tailgate rather than directly above the movable tailgate, as was the case with the rear trunk assemblies known from the prior art;

[0031] - the through openings are distributed along the at least one drain groove. This advantageous configuration makes it possible to more effectively flush out the water present in at least one drain groove;

[0032] - advantageously, each drain nozzle is of the multi-channel nozzle type. This configuration allows for the formation of a pressurized air comb that has greater spatial dispersion, making water evacuation more efficient. In particular, each drain nozzle is of the flat air jet type.

[0033] - the sensor is of the type of a rain sensor or a humidity sensor. From a Generally speaking, the sensor is associated with the movable tailgate. More specifically, the sensor is attached to a rear trunk window.

[0034] According to a second aspect of the invention, there is provided a method for evacuating water present on or in a movable tailgate of a trunk assembly in accordance with the first aspect of the invention or according to any of its improvements, the evacuation method comprising the following steps:

[0035] - a step of detecting the presence of water on or in the movable tailgate;

[0036] - a step of opening the movable rear trunk hatch;

[0037] - if water was detected during the detection step, a pressurization step of the projection system, so as to blow air into the at least one fluid conduit.

[0038] In the context of the present invention, the detection step is implemented by the sensor.

[0039] In the context of the present invention, the step of opening the movable tailgate can be manual or controlled.

[0040] The pressurization step is concomitant with the step of opening the movable tailgate. In particular, the pressurization step is carried out while the movable tailgate is in opening movement. Advantageously, the pressurization step is carried out while the movable tailgate is open, and even while it is not closed.

[0041] Thus, in the context of the present invention, the step of pressurizing the projection system forms a step of blowing air into the at least one fluid conduit, so as to expel the water present in said at least one fluid conduit or in the vicinity of said fluid conduit, and in particular opposite an opening of said fluid conduit.

[0042] In the case where the rear trunk assembly according to the first aspect of the invention comprises a plurality of projection nozzles associated with the movable tailgate, the method according to the second aspect of the invention advantageously comprises a step of blowing compressed air through the projection nozzles, so that the blown air expels the water from the movable tailgate. More particularly, the water expelled by the blown air is projected beyond the movable tailgate and at a distance from said movable tailgate.

[0043] According to a third aspect of the invention, there is provided a motor vehicle comprising a trunk assembly in accordance with the first aspect of the invention or according to any of its improvements.

[0044] Advantageously, the rear trunk assembly on board the vehicle in accordance with the third aspect of the invention is configured to implement the evacuation method in accordance with the second aspect of the invention.

[0045] Various embodiments of the invention are provided, integrating according to all of their possible combinations the different optional characteristics set out here.

[0046] Other characteristics and advantages of the invention will become apparent from the following description on the one hand, and from several examples of embodiment given for informational and non-limiting purposes with reference to the appended schematic drawings on the other hand, in which:

[0047] [Fig.l] illustrates a schematic view of a rear trunk assembly according to the first aspect of the invention;

[0048] [Fig.2] illustrates a synoptic view of the evacuation process in accordance with the second aspect of the invention.

[0049] Of course, the features, variants and different embodiments of the invention may be combined with each other, in various combinations, provided that they are not incompatible or mutually exclusive. In particular, variants of the invention may be imagined comprising only a selection of features described below in isolation from the other features described, if this selection of features is sufficient to confer a technical advantage or to differentiate the invention from the prior art.

[0050] In particular, all the variants and all the embodiments described are com- can be combined with each other if there is nothing technically preventing this combination.

[0051] In the figures, the elements common to several figures retain the same reference.

[0052] In the FIGURES described below, a longitudinal axis X, a lateral axis and a vertical axis Z are defined relative to the motor vehicle 10 on which the trunk assembly 1 according to the invention is intended to be mounted.

[0053] More particularly, the transverse axis Y is understood as a direction taken between a lateral side of the motor vehicle 10 and an opposite lateral side of said motor vehicle 10. In other words, the transverse axis Y is understood in a direction which extends from a passenger side of the motor vehicle 10 to a driver side of said motor vehicle 10, or vice versa. The adjectives lateral, interior and exterior refer to such a transverse axis Y.

[0054] Furthermore, the longitudinal axis X extends as taken along a direction that extends from front to rear or from back to front of the motor vehicle 10. The longitudinal axis X is perpendicular to the transverse axis Y. The adjectives frontal, front and rear refer to this longitudinal axis X.

[0055] Finally, the vertical axis Z is understood as being taken along an axis which extends from the wheels of the motor vehicle 10 and towards the roof of said motor vehicle 10, or vice versa, the vertical axis Z being simultaneously perpendicular to the transverse axis Y and to the longitudinal axis X. The adjectives above and below, or lower and upper refer to this vertical axis Z.

[0056] The invention relates to a rear trunk assembly 1 for a motor vehicle 10, the rear trunk assembly 1 comprising:

[0057] - a movable tailgate 103 pivotally mounted by means of a mechanism opening allowing the movable tailgate 103 to be oriented in any configuration between a closing configuration in which the rear trunk 101 is closed and a raised configuration in which the rear trunk 101 is open;

[0058] - a sensor 11 configured to detect the presence of water on or in the tailgate 103 mobile ;

[0059] - an air projection system configured to blow pressurized air so as to drain the water present on or in the movable tailgate 103;

[0060] - a control unit 12 configured to control the projection system.

[0061] The movable tailgate 103 is pivotally mounted about an axis of rotation which extends along the transverse axis Y. The movable tailgate 103 has a rear face 104 and lateral faces opposite one another, the movable tailgate 103 is lined with an interior lining located on the side of the rear trunk 101. Thus, there is a space between the movable tailgate 103 and its interior lining in which water can be accumulated in rainy weather, depending on the runoff of water on the movable tailgate 103.

[0062] In particular, depending on the inclination of the movable tailgate 103, the effect of gravity causes the water to flow from one side or the other of the tailgate 103, towards the lower edge of the tailgate 103 or, conversely, towards the upper edge.

[0063] Thus, the projection system makes it possible, remotely, to blow pressurized air onto certain specific areas of the movable tailgate 103 in order to evacuate the water present between the movable tailgate 103 and its interior lining and to prevent the water from falling onto the user or into the rear trunk 101.

[0064] The projection system is activated in the event of water detection by the sensor 11.

[0065] In the event of water being detected in or on the movable tailgate 103, the spraying system controls a pressurization member 13, in order to be able to blow compressed air into certain specific parts of the movable tailgate 103, in order to evacuate the water accumulated or running into said movable tailgate 103. More particularly, the spraying system comprises:

[0066] - an air pressurization member 13, such as for example a compressor or a vacuum pump;

[0067] - at least one fluid conduit 15 for conveying air from the organ of pressurization 13 towards the movable tailgate 103. Each at least one fluid conduit 15 is fluidically coupled to the pressurization member 13, and each fluid conduit 15 opens, at at least one terminal or intermediate end, at the movable tailgate 103; and

[0068] - a controlled valve 14 making it possible to control an air flow in the at least one fluid conduit 15. The controlled valve 14 is preferably of the solenoid valve type.

[0069] It is thus possible to generate a flow of air through all or part of the fluid conduits 15, from the pressurization member 13 to one or more outlets arranged on each fluid conduit 15. As a result, the air exiting through each outlet of the fluid conduit 15 expels the water which is located opposite said outlet.

[0070] The pressurizing member 13 is advantageously associated with a reserve of compressed air fluidly coupled to the at least one fluid conduit 15, said pressurizing member 13 being configured to pressurize air injected into the reserve of compressed air. Alternatively, the pressurizing member 13 comprises a pump coupled to the opening mechanism of the movable tailgate 103, so that said pump is actuated by the opening of said opening mechanism of the movable tailgate 103: each time the movable tailgate 103 is opened, the pump is activated and generates a flow of air in the at least one fluid conduit 15. This generated flow of air opens at each outlet of the fluid conduit 15, expelling the water which is located opposite said fluid outlet.

[0071] The projection system comprises a plurality of associated projection nozzles 16 to the movable tailgate 103, the projection nozzles 16 being fluidically coupled to the at least one fluid conduit 15 and oriented towards the outside of the movable tailgate 103 in order to project the water out of said movable tailgate 103. The projection nozzles 16 are advantageously distributed along the movable tailgate 103 in order to more effectively disperse the water present on said movable tailgate 103 in radial directions relative to the movable tailgate 103, in order to expel the water contained in or on the movable tailgate 103 out of said movable tailgate 103.

[0072] Thus, according to the invention, the water retained between the movable tailgate 103 and the inner lining is blown by the projection nozzles 16. These projection nozzles 16, fluidically coupled to the fluid conduits 15, are located between a water retention pocket between the movable tailgate 103 and the inner lining, and a middle part of the movable tailgate 103, relative to the longitudinal axis X. In other words, the pocket in which the water present between the movable tailgate 103 and the inner lining is retained is located in an intermediate position between the lateral face 105 of the movable tailgate 103 or the rear face 104 of said movable tailgate 103, on the one hand, and, on the other hand, the projection nozzles 16.The projection nozzles 16 are furthermore oriented respectively in the direction of the lateral face 105 or the rear face 104, so that when air is injected into the fluid conduits 15, the projection nozzles 16 form a comb of compressed air which blows the water present in front of them, driving it out of the movable tailgate 103.

[0073] For this purpose, the movable tailgate 103 comprises a plurality of openings associated with each projection nozzle 16, in order to allow the water blown by the air comb shaped by the projection nozzles 16 to be evacuated from the movable tailgate 103.

[0074] Advantageously, a conformation of the movable tailgate 103 makes it possible to locate these water retention pockets near the side faces and the rear face 104 of said movable tailgate 103. For example, the movable tailgate 103 comprises an outer wall forming a bodywork element of the motor vehicle 10, and an inner lining located on the side of the rear trunk 101, the inner lining and the bodywork element delimiting between them a drain groove for rainwater flowing onto the movable tailgate 103.

[0075] Each drain groove is arranged along a peripheral edge of the movable tailgate 103, and in particular near the side faces and the rear face 104 of the movable tailgate 103. The projection nozzles 16 are associated with each drain groove. In particular, the projection nozzles 16 are distributed along the at least one drain groove. Advantageously, each drain nozzle is of the multi-channel nozzle type in order to generate a flat air comb with wide spatial dispersion.

[0076] With reference to [Fig.2], the invention also addresses a method 2 for evacuating water present on or in a movable tailgate 103 of a trunk assembly 1 as described previously, the evacuation method 2 comprising the following steps:

[0077] - a step 21 of detecting the presence of water on or in the movable tailgate 103, the detection step 21 being implemented by the sensor 11;

[0078] - an opening step 22 - manual or piloted - of the movable tailgate 103 of the trunk rear 101;

[0079] - if water was detected during detection step 21, a pressurization step 23 of the projection system, so as to blow air into the at least one fluid conduit 15.

[0080] The pressurization step 23 is concomitant with the step 22 of opening the movable tailgate 103. In particular, the pressurization step 23 is carried out while the movable tailgate 103 is in opening movement. Advantageously, the pressurization step 23 is carried out while the movable tailgate 103 is open, and even while it is not closed.

[0081] Thus, in the context of the present invention, the pressurization step 23 of the projection system forms a step 24 of blowing air into the at least one fluid conduit 15, so as to expel the water present in said at least one fluid conduit 15 or in the vicinity of said fluid conduit 15, and in particular opposite an opening of said fluid conduit 15.

[0082] In the case where the rear trunk assembly 1 according to the first aspect of the invention comprises a plurality of projection nozzles 16 associated with the movable tailgate 103, the method according to the second aspect of the invention advantageously comprises a step 24 of blowing compressed air through the projection nozzles 16, so that the blown air expels the water from the movable tailgate 103. More particularly, the water expelled by the blown air is projected beyond the movable tailgate 103 and at a distance from said movable tailgate 103.

[0083] In summary, the invention relates to a trunk assembly 1 comprising a pivotally mounted movable tailgate 103, the movable tailgate 103 comprising an outer wall lined with an inner lining between which water can be accumulated in the event of rain, for example. This water is advantageously directed towards drain grooves arranged in the movable tailgate 103, preferably close to the outer wall, and projection nozzles 16 are associated with these drain grooves, so as to be able to expel the water contained therein, transversely to said drain grooves, using an air projection system by said projection nozzles 16.The air thus blown passes right through the part of the drain groove located opposite the projection nozzle 16, so that the water contained in the drain groove is blown towards the outside of the groove by passing through an opening arranged opposite the projection nozzle 16, on the outer wall of the movable tailgate 103.

[0084] Of course, the invention is not limited to the examples which have just been described and Many adjustments can be made to these examples without departing from the scope of the invention. In particular, the various characteristics, forms, variants and embodiments of the invention can be combined with each other in various combinations to the extent that they are not incompatible or mutually exclusive. In particular, all the variants and embodiments described above can be combined with each other.

Claims

Claims

1. Rear trunk assembly (1) for a motor vehicle (10), the rear trunk assembly (1) comprising: - a movable tailgate (103) pivotally mounted by means of an opening mechanism making it possible to orient the movable tailgate (103) in any configuration between a closed configuration in which the rear trunk (101) is closed and a raised configuration in which the rear trunk (101) is open; - a sensor (11) configured to detect the presence of water on or in the movable tailgate (103); - an air projection system configured to blow pressurized air so as to evacuate the water present on or in the movable tailgate (103); - a control unit (12) configured to control the projection system.

2. Rear trunk assembly (1) according to the preceding claim, in which the projection system comprises: - an air pressurization member (13); - at least one fluid conduit (15) for conveying air from the pressurization member (13) to the movable tailgate (103); - a controlled valve (14) for controlling an air flow in the at least one fluid conduit (15).

3. Rear trunk assembly (1) according to the preceding claim, in which the rear trunk assembly (1) comprises a solenoid valve located in an intermediate position between the pressurization member (13) and the at least one fluid conduit (15), the solenoid valve being controlled by the control unit (12) to open when the projection system is activated.

4. A rear trunk assembly (1) according to any one of the preceding claims, wherein the projection system comprises a plurality of projection nozzles (16) associated with the movable tailgate (103), the projection nozzles (16) being fluidically coupled to the at least one fluid conduit (15) and oriented towards the outside of the movable tailgate (103) in order to project the water out of said movable tailgate (103).

5. Rear trunk assembly (1) according to any one of the preceding claims, in which the movable tailgate (103) comprises an outer wall forming a bodywork element of the vehicle au- car (10), and an interior lining located on the side of the rear trunk (101), the interior lining and the bodywork element delimiting between them at least one drain groove for rainwater flowing onto the movable tailgate (103).

6. Rear trunk assembly (1) according to the preceding claim, in which the at least one drain groove is arranged along a lateral edge of the movable tailgate (103).

7. Rear trunk assembly (1) according to any one of claims 5 or 6 taken in combination with claim 4, wherein, relative to a transverse axis (Y) of the rear trunk assembly (1), the projection nozzles (16) are located on the side of an inner flank of the at least one drain groove and oriented laterally outwards, across said at least one drain groove, said at least one groove comprising a plurality of through openings arranged on an outer flank located opposite said inner flank.

8. Method for evacuating (2) water present on or in a movable tailgate (103) of a rear trunk assembly (1) according to any one of the preceding claims, the evacuation method (2) comprising the following steps: - a step of detecting (21) the presence of water on or in the movable tailgate (103); - a step of opening (22) the movable tailgate (103) of the rear trunk (101); - if water has been detected during the detection step (21), a step of pressurizing (23) the projection system, so as to blow air into the at least one fluid conduit (15).

9. Evacuation method (2) according to the preceding claim, taken in combination with the rear trunk assembly (1) according to claim 4, in which the method comprises a step of blowing (24) compressed air through the projection nozzles (16), so that the blown air expels the water from the movable tailgate (103).

10. Motor vehicle (10) comprising a rear trunk assembly (1) according to any one of claims 1 to 7.

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