Airflow guiding system for vehicle and vehicle comprising airflow guiding system

Abstract

The invention relates to a vehicle (10) and an airflow guiding system (12) for a vehicle (10), the airflow guiding system (12) comprising: at least one air inlet (14) and at least two air outlets (22, 24), the air inlet (14) and the air outlets (22, 24) both facing the surroundings of the vehicle (10); an air passage device (16) fluidly connecting the at least one air inlet (14) and the air outlet (22, 24); and an airflow adjustment device (30) configured to variably adjust airflow through each of the air outlets (22, 24).

Description

Technical Field

[0001] The present invention relates to an airflow guiding system for a vehicle and a vehicle comprising the airflow guiding system. The vehicle may be a road vehicle and / or a motor vehicle. For example, the vehicle may be a car, a truck or a bus. Background Art

[0002] It is known to provide internal air ducts in a vehicle which direct the air entering from the surroundings to an air outlet in order to generate an air flow directed into the surroundings in a predetermined direction. For example, EP 3206939 B1 discloses a system in which a substantially vertically oriented air flow is generated. This results in downforce being generated at the rear of the vehicle, thereby improving traction.

[0003] However, in other driving situations, such vertically directed airflow is not necessary and may even be undesirable due to increased aerodynamic drag. For example, in order to reduce aerodynamic drag, it is generally known to use active or passive external control surfaces, such as spoilers, wings or deflectors. This may help to create more horizontal and / or laminar airflow on or around the vehicle. Summary of the invention

[0004] The invention aims to improve the controllability of the aerodynamic properties of a vehicle, in particular in order to better control its driving characteristics and / or its aerodynamic drag.

[0005] Therefore, an airflow guiding system for a vehicle is disclosed, the airflow guiding system comprising: at least one air inlet and at least two air outlets, wherein the air inlet and the air outlets each face (especially each lead to) the surrounding environment of the vehicle; an air channel device, which fluidly connects at least one air inlet and the air outlet; and an airflow adjustment device, which is configured to variably adjust the airflow through each air outlet.

[0006] The air channel arrangement may define at least one internal flow path for the air in the vehicle. The air channel arrangement may include at least one channel member, or in other words, a duct member. The air inlet and / or the air outlet may form a hole in the channel member. The channel member may provide a fluid connection, in particular a direct fluid connection, between the air inlet and the air outlet. For example, the channel member may be specifically a branched tubular structure through which air may flow.

[0007] In one example, the air channel arrangement provides a fluid connection between an air inlet and all air outlets, or optionally between all air inlets and all air outlets of a plurality of air inlets.

[0008] In other examples, the air channel arrangement may include a plurality of channel members, each channel member connecting one of the plurality of air inlets to at least one air outlet. Thus, a separate or separate air channel between each air inlet and at least one air outlet may be defined by each channel member. Thus, each air outlet may be individually fluidly connected to and / or individually assigned to a corresponding air inlet.

[0009] The air channel arrangement may have at least one chamber, or in other words, at least one plenum, into which the air entering from the air inlet is directed. For example, at least one, in particular elongated, channel portion may connect the chamber to the air inlet. The channel portion may extend substantially along the longitudinal axis of the vehicle, while the chamber may extend substantially along the width axis of the vehicle. The air outlet may be fluidically connected to the chamber. In particular, the air outlet may form a hole in the chamber, in particular in a wall or other structure that limits the chamber.

[0010] Typically, the longitudinal axis of the vehicle may extend substantially orthogonally to and intersect each axis of the vehicle. The width axis may extend along or parallel to at least one axis of the vehicle. The height axis may correspond to a vertical spatial axis. The longitudinal axis and the width axis may extend in a horizontal spatial plane.

[0011] The air outlet and at least one air inlet may form holes on the outer surface of the vehicle. Additionally or alternatively, they may be covered by, for example, a mesh or a perforated member, which does not prevent the air outlet and the air inlet from facing the surrounding environment to discharge air to the surrounding environment or receive air from the surrounding environment, respectively. The at least one air inlet may be positioned and / or oriented so as to capture ram air when the vehicle is traveling in a forward driving direction. For example, an opening facing the cross section of the air inlet may at least partially face the forward driving direction.

[0012] The airflow regulating device preferably does not have an actively driven airflow generator, such as a fan. Instead, it can be configured to adjustably guide the airflow entering through the air inlet through the air channel device and / or into the air channel device. For example, it can include at least one movable control surface and / or at least one movable member exposed to the internal airflow in the air channel device. Additionally or alternatively, it can include at least one actuator, such as a motor, in particular to move the above-mentioned control surface and / or movable member. Alternatively, it can include or be connected to at least one control unit to adjust the airflow through the air outlet in a desired manner.

[0013] Typically, the air flow guidance system may be configured to adjust the air flow through each air outlet according to at least one predefined vehicle parameter, for example, the parameter being indicative of or dependent on a driving condition of the vehicle. The parameter may be, for example, the vehicle's driving speed, a driver's torque request, or a driver-selected driving mode. The parameter may be transmitted to and / or obtained by a control unit of the air flow adjustment device, for example, to control an optional actuator or a movable surface or movable member of the air flow adjustment device based on the parameter.

[0014] The airflow guiding system disclosed herein is generally capable of variably generating an airflow that flows from a preferred internal air path provided by the air channel device into the surrounding environment through different air outlets. In this way, for example, depending on the specific driving situation, an air outlet suitable for generating an airflow of a desired intensity and / or in a desired direction can be flexibly selected. Overall, this improves the controllability of the vehicle's aerodynamic characteristics. In addition, the airflow guiding system is characterized by a compact structure and can, for example, eliminate or at least reduce the need for other airflow control surfaces, in particular external airflow control surfaces. On the contrary, a preferred internal possibility of controlling the direction of the airflow flowing into the surrounding environment can be provided by an airflow adjustment device.

[0015] According to one embodiment, the air flow regulating device is at least partially accommodated in the air channel arrangement. In particular, at least one optional movable member and / or a controllable surface can be accommodated in the air channel arrangement, both of which can be used to distribute the incoming air flow between the air outlets. This increases compactness. Furthermore, it limits the design requirements, since the air flow regulating device is at least partially not visible and / or inaccessible from the outside. Furthermore, this contributes to increased reliability, since the air flow regulating device is less exposed to environmental influences.

[0016] According to one embodiment, the airflow regulating device is configured to variably divide between the air outlets, or in other words variably distribute the air flow entering from the air inlet. In this way, the airflow regulating device can adjust the airflow through each air outlet. By variably dividing the incoming airflow, no additional airflow generating unit, such as a fan, is required, which reduces costs and noise.

[0017] Variable adjustment of the airflow through the air outlets may also include adjusting (i.e. setting) the airflow through any air outlet to zero. Specifically, according to one embodiment, the airflow adjustment device is configured to adjust (i.e. set) the airflow through one air outlet to substantially zero in at least the first operating state.

[0018] In general, variable regulation of the airflow through the air outlets, in particular variable splitting of the airflow between the air outlets, may include airflow passing through only selected air outlets at a time. To achieve the desired variation, the air outlets through which the airflow can pass or to which the incoming airflow is distributed can be switched. This may be similar to discrete control of selecting one or more air outlets at a time, from which the incoming airflow can be directed back into the surrounding environment.

[0019] Additionally or alternatively, variable regulation of the airflow through the air outlets, in particular the variable separation of the airflow between the air outlets, may include a change in the relative extent and / or intensity and / or volume of the airflow through and / or distributed to each of the plurality of air outlets. For example, the airflow through or distributed to at least one air outlet may be stronger than the airflow through or distributed to at least one other air outlet. This relative relationship of the airflows may vary, preferably in a continuous or stepwise manner. This may include adjusting the relative relationship so that some air outlets do not receive and / or discharge any airflow.

[0020] It is by providing separate variable control over the relative relationship of the airflow associated with each air outlet that the controllability of the aerodynamic properties of the vehicle is enhanced.

[0021] According to one embodiment, the air outlets face in different directions, i.e. each air outlet faces in one direction, and the directions are different from each other. The directions may, for example, extend substantially orthogonally, or at an angle of at least 45° in absolute value to each other. Thus, the air flow through the air outlets may also be directed in the different directions. This may be used to adjust the aerodynamic properties of the vehicle as required, for example according to the current driving situation. For example, at least one of the directions may be characterized by reduced aerodynamic drag, and at least another of the directions may be characterized by the generation of a reaction force that improves the driving properties of the vehicle.

[0022] For example, the air outlets may be oriented at different angles relative to the vertical spatial axis and / or the horizontal spatial axis, ie each air outlet is oriented at an angle relative to the vertical spatial axis and / or the horizontal spatial axis, and these angles are different from each other.

[0023] In one example, one of the air outlets is configured to direct air into the surroundings at an angle of less than 45°, in particular less than 20°, in absolute value, relative to a vertical spatial axis. In this way, a substantially vertical airflow from the air outlet into the surroundings may be generated, which contributes to the generation of downforce on the vehicle. This may contribute to improved traction.

[0024] Additionally or alternatively, an air outlet can be configured to direct air into the surroundings at an angle of less than 45°, in particular less than 20°, in absolute value relative to the horizontal spatial axis. In this way, a substantially horizontal airflow from the air outlet into the surroundings can be generated, which helps to reduce aerodynamic drag.

[0025] According to one embodiment, the air outlet is located in the rear half or rear quarter of the vehicle, which may be relative to the dimension of the vehicle along its longitudinal axis and the forward travel direction. Thus, when viewed in the forward travel direction, the front half of the vehicle, in particular the front half of its length, may be located in front of the rear half.

[0026] In other words, the air outlet may be located closer to the rear axle of the vehicle than to the front axle of the vehicle.

[0027] By positioning the air outlet openings at the respective rear portion of the vehicle, desired aerodynamic properties, for example generating downforce and / or influencing aerodynamic drag, can be adjusted particularly reliably.

[0028] According to one embodiment, at least one air inlet is located at or closer to the front half of the vehicle than the air outlet. Additionally or alternatively, at least one air inlet may be located closer to the front axle of the vehicle than the rear axle of the vehicle. Such positioning helps to reliably capture a sufficient strength of airflow through the air inlet.

[0029] According to one embodiment, each air outlet extends along at least half of the width of the vehicle. Additionally or alternatively, the air outlet intersects the middle of the vehicle along the width axis of the vehicle. This helps to ensure that the desired aerodynamic properties of the vehicle can be reliably adjusted.

[0030] According to one embodiment, the airflow regulating device comprises at least one baffle, which is movable so as to at least partially block one of the air outlets. For example, the baffle can rotate. In one example, the baffle can be moved, in particular rotated, to at least partially block any one of the air outlets. In other words, the baffle can switch between the air outlets it blocks. For example, in a first operating state, the baffle can at least partially block at least the first air outlet (but preferably not the second air outlet), and in another operating state, the baffle can at least partially block at least the second air outlet (but preferably not the first air outlet).

[0031] According to one embodiment, the air flow regulating device comprises at least one rotary valve, which can be rotated to at least partially block an air outlet and / or provide an air path to at least one air outlet. In a generally known manner, the rotary valve can include a rotating member with internal fluid paths. Depending on the rotation angle, these fluid paths can be fluidically connected or not connected to adjacent channel parts and adjacent air outlets. By changing the rotation angle, a fluid connection can be provided through or through the rotary valve to a selected air outlet. As a result, air can flow into the environment through the rotary valve and the corresponding connected outlet.

[0032] According to one embodiment, the air channel arrangement comprises an air channel, in particular a single, possibly branched, air channel, which fluidically connects at least one air inlet to each air outlet. The air channel may in particular fluidically connect each of a possible plurality of air inlets to each air outlet. This allows a compact design of the air flow regulating device, which may, for example, divert the air flow between the air outlets and / or direct the air flow to the air outlets using a single internal movable member or movable control surface.

[0033] According to one embodiment, at least two air inlets are provided, and the air channel arrangement comprises a first air channel for fluidly connecting the first air inlet to the first set of one or more air outlets, and a second air channel for connecting the second air inlet to the second set of one or more air outlets. The first air channel and the second air channel may be fluidly separated. In this way, a separate fluid connection may be provided between each air inlet and at least one air outlet. This may provide additional degrees of freedom when designing and / or positioning the air channels, and may improve space efficiency.

[0034] In this regard, the air flow regulating device may be configured to at least partially block one of the air inlets. This means that the air flow entering via the air inlet is reduced or even cut off. The air flow from the air outlet fluidly connected to the air inlet is also reduced or cut off. By changing the relative degree to which the air inlet is blocked, the range and / or intensity of the air flow from the corresponding connected air outlet can also be changed.

[0035] For example, the air flow adjustment device may be configured to at least partially block two air inlets, wherein the degree of blockage may be set individually for each air inlet and / or may be set differently between the air inlets. To this end, the air flow adjustment device may, for example, include individually operable movable members and / or movable control surfaces and / or actuators for each air inlet, according to any of the examples discussed above in connection with the blocking of the air outlet.

[0036] As described above, according to one embodiment, at least a portion of the air channel arrangement extends inside the vehicle. This portion may, for example, be constituted or formed by a channel member as described above.

[0037] The present invention also relates to a vehicle, comprising an airflow guiding system according to any one of the above embodiments or examples. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 A vehicle including an airflow directing system according to an embodiment of the present invention is depicted, the system being in a first operating state.

[0039] Figure 2 A vehicle including an airflow directing system according to an embodiment of the present invention is depicted, the system being in a second operating state.

[0040] Figure 3 Describes an embodiment of the present invention, for example, that can be used Figure 1 and Figure 2 Air flow guidance systems in vehicles with

[0041] Figure 4 Shows Figure 3 A first operating state of the airflow guiding system.

[0042] Figure 5 Shows Figure 3 A second operating state of the airflow guiding system.

[0043] Figure 6 For example, it can be used Figure 3-Figure 5 Schematic diagram of an airflow regulating device in the airflow guiding system, wherein the device is in a first operating state.

[0044] Figure 7 yes Figure 6 Schematic diagram of the airflow regulating device, wherein the device is in a second operating state.

[0045] Figure 8 For example, it can be used Figure 3-Figure 5 Schematic diagram of another airflow regulating device in the airflow guiding system, wherein the device is in a first operating state.

[0046] Fig. 9 yes Figure 8 Schematic diagram of the airflow regulating device, wherein the device is in a second operating state. DETAILED DESCRIPTION

[0047] Embodiments of the present invention are discussed below with reference to the schematic diagrams. In all drawings, identical or similar features may be marked with the same reference numerals. Not all instances of a feature shown in a single drawing may be marked with the reference numeral associated with the feature.

[0048] Figure 1A vehicle 10 is shown, which includes an airflow guiding system according to an embodiment of the present invention, not shown. The vehicle 10 has a longitudinal axis L, along which the length dimension of the vehicle 10 extends. A center plane P extending perpendicular to the longitudinal axis and located halfway along the length of the vehicle 10 is marked. The front half of the vehicle 10 includes a front axle 13. The rear half of the vehicle 10 includes a rear axle 15.

[0049] As discussed in further detail in conjunction with the following figures, the airflow guiding system (not shown) has a plurality of air outlets disposed at the rear portion of the vehicle 10, particularly at the rear end thereof. In addition, the airflow guiding system has at least one air inlet located at the front portion of the vehicle 10 or closer to the front portion of the vehicle 10 than the air outlets.

[0050] By means of the airflow guiding system, airflows in at least two directions can be generated. Specifically, these airflows can be generated by the air entering through the air inlet and being guided back into the surrounding environment by the air outlet.

[0051] Figure 1 A first air flow is depicted, marked by arrow A and extending substantially vertically. Figure 2 A second air flow is depicted, marked by arrow B and extending substantially horizontally. These air flows can be generated alternately and / or simultaneously. In the latter case, the relative strength of the air flows can be adjusted so that one is stronger than the other.

[0052] Figure 1 The substantially vertical airflow creates downforce at the rear end of the vehicle 10. This forces the rear axle 15 to grip the ground more, thereby increasing traction. This may be desirable, particularly when driving at low speeds or in slippery conditions. On the other hand, Figure 2 A basic level of airflow helps reduce aerodynamic drag. This may be particularly desirable when traveling at high speeds.

[0053] Figure 3 A portion of an exemplary airflow directing system 12 is shown, which may be used, for example, in Figure 1 and Figure 2 In the vehicle 10. For example, the airflow guiding system 12 includes two air inlets 14, the openings of which are Figure 3 Not visible in.

[0054] Figure 1 and Figure 2 Indicates a possible location of the air intake 14. Specifically, the air intake 14 is located near the rear side window and / or in the C-pillar area of ​​the vehicle 10. It should be understood that in the case of Figure 1 and Figure 2Another air intake 14 may be provided at a similar location on the corresponding other side of the vehicle 10 for an observer in the vehicle 10. The air intakes 14, and in particular their open faces, are oriented to receive ram air when traveling forward.

[0055] Continue to refer Figure 3 , the air flow guiding system 12 includes an air channel device 16. The air channel device 16 has two channel portions 18, each of which is fluidically connected to a chamber 20, or in other words, to a plenum. Each channel portion 18 extends from an air inlet 14 inside the vehicle 10 to the chamber 20. Figure 1 and Figure 2 Schematically indicated in dashed lines is a possible extension of a portion of the channel portion 18. While the channel portion 18 extends substantially along the longitudinal axis L, the chamber 20 extends substantially transversely to the longitudinal axis L and in the width direction of the vehicle 10. In particular, it spans from one side of the rear end of the vehicle 10 to the other side.

[0056] In the example shown, the channel portion 18 and the chamber 20 are formed by a common channel member that fluidly connects all the air inlets 14 to all the air outlets 22, 24 discussed below. The common channel member can be a single-piece member or a multi-piece assembly. The common channel member can be a hollow member that provides a space within which air can flow. The air channel device 16 is at least partially and preferably mostly or completely contained within the vehicle 10 to provide an internal air path within and through the vehicle 10.

[0057] The airflow guiding system 12 also includes a plurality of air outlets 22, 24, which are arranged at Figure 3 The air outlets 22 , 24 are both arranged at the rear side of the chamber 20 and form holes in the chamber 20 .

[0058] The first air outlet 22 faces generally upward, while the second air outlet 24 faces rearward. Both air outlets 22, 24 are formed as elongated slots and extend along the width of the chamber 20 and, for example, pass through the center of the vehicle 10 in the width direction.

[0059] In the illustrated embodiment, the airflow guiding system 12 further includes an optional spoiler 26. The spoiler 26 may be a stationary or movable component and is generally used to shield the airflow flowing out of the first air outlet 22 from the surrounding airflow.

[0060] Figure 4 The airflow out of the first air outlet 22 is shown, marked by arrow A, and as shown, extends at an angle W1 relative to the vertical spatial axis V. The angle W1 may be less than 45°, in particular less than 25°, in order to generate significant downforce.

[0061] Figure 5 The airflow out of the second air outlet 24, marked by arrow B, is shown, and the optional spoiler 26 is retracted or generally omitted. As shown, the airflow extends at an angle W2 relative to the horizontal spatial axis H. The angle W2 can have an absolute value of less than 45°, in particular less than 25°, in order to limit the aerodynamic drag.

[0062] Figure 6 yes Figure 3 Schematic diagram of a portion of the airflow guide system 12 of the vehicle 10. Specifically, a cross-sectional view of the chamber 20 is shown, wherein the cross section includes the longitudinal axis L of the vehicle 10 (see Figure 1 ). In this cross-sectional view, a part of the airflow adjustment device 30 is visible. In particular, a movable member in the form of a baffle 32 is shown, which rotates about a rotary joint 31. The not shown rotation axis of the rotary joint 31 extends perpendicular to the image plane. The airflow adjustment device 30 also includes an actuator, not shown, in particular an electric motor, to rotate the baffle 32 about the rotary joint 31. In addition, the airflow adjustment device 30 also includes a control unit, not shown, which rotates the baffle 32, for example, depending on the operating parameters of the vehicle 10.

[0063] Figure 6 A first operating state of the air flow adjustment device 30 is shown, wherein the baffle 32 completely blocks the second air outlet 24. Therefore, air entering the air channel arrangement 16 via the air inlet 14 can only return to the surroundings via the first air outlet 22, as indicated by the vertical arrow A.

[0064] Figure 7 is similar to Figure 6 , showing a second operating state of the air flow adjustment device 30. In this state, the baffle 32 completely blocks the first air outlet 22. Therefore, the air entering the air channel device 16 via the air inlet 14 can only return to the surrounding environment via the second air outlet 24, as indicated by the horizontal arrow B.

[0065] Figure 8 and Fig. 9 is similar to Figure 6 and Figure 7 , depicting an airflow adjustment device 30 according to another embodiment. In this case, a rotary valve 40 replaces the baffle 32 for directing the airflow in a desired manner.

[0066] The rotary valve 40 includes a valve body 42 through which a conduit 44 extends. The conduit 44 has an inlet 46 for receiving air from the interior of the chamber 20 and an outlet 48 for releasing the air into the surrounding environment. The conduit 44 guides the air between the inlet 46 and the outlet 48. The rotary valve 40 is rotatable about a rotation axis, not shown, which extends perpendicular to the image plane.

[0067] exist Figure 8 In the embodiment, the rotary valve 40 is oriented so that its outlet 48 faces and is fluidly connected to the first air outlet 22. As indicated by the arrows, the air is thus directed to the surrounding environment in a substantially vertical manner.

[0068] exist Fig. 9 In the embodiment, the rotary valve 40 is oriented so that its outlet 48 faces the second air outlet 24 and is fluidly connected thereto. As indicated by the arrows, the air is thus directed to the surrounding environment in a substantially horizontal manner.

[0069] Thus, in the example shown, the direction of the airflow exiting the airflow guide system 10 can be switched between vertical and horizontal directions as shown by arrows A, B.

[0070] As mentioned above, the airflow adjustment device 30 can also be configured differently, in particular so that airflow in the horizontal and vertical directions can occur simultaneously, but for example with different intensities. To this end, the airflow adjustment device 30 can, for example, include a baffle 32 assigned to only one of the air outlets 22, 24 and configured to variably block the corresponding assigned outlet 22, 24. Such a plurality of baffles 32 can be moved in a coordinated manner to balance the vertical and horizontal airflows according to the currently desired aerodynamic characteristics of the vehicle 10.

[0071] Furthermore, it should be noted that alternative embodiments not shown may be based on Figure 3 2, 24. In the embodiment shown in FIG. 1 , however, there is no common chamber 20 to which both air outlets 22, 24 are fluidly connected. Instead, each channel portion 18 can be connected to only one of the air outlets 22, 24. In this way, the airflow adjustment device 30 can be configured to selectively and in particular variably impede the airflow through each channel portion 18. Again, this can be achieved in such a way that it is possible to switch between vertical and horizontal airflow, for example, Figure 6 and Figure 7 as shown, and / or balancing these simultaneously generated airflows.

[0072] In this embodiment, in order to individually adjust the airflow through the channel portion 18, the airflow adjustment device 30 may, for example, include a movable member to at least partially block the air inlet 14 and / or any of the air outlets 22, 24. Additionally or alternatively, the airflow adjustment device 30 may be configured to variably block any channel portion 18, for example by a similar Figure 6 and Figure 7 The movable member of the baffle shown in .

Claims

1. An airflow guiding system (12) for a vehicle (10), comprising: at least one air inlet (14) and at least two air outlets (22, 24), wherein the air inlet (14) and the air outlets (22, 24) each face the surroundings of the vehicle (10); air passage means (16) fluidly connecting at least one of said air inlet (14) and said air outlet (22, 24); and An airflow adjustment device (30) is configured to variably adjust the airflow through each of the air outlets (22, 24).

2. The airflow guiding system (12) according to claim 1, in, The air flow adjustment device (30) is at least partially accommodated in the air channel arrangement (16).

3. The airflow guiding system (12) according to claim 1 or 2, in, The airflow adjustment device (30) is configured to variably divide the airflow entering through the air inlet (14) between the air outlets (22, 24), thereby adjusting the airflow through each of the air outlets (22, 24).

4. The air flow guiding system (12) according to any one of the preceding claims, in, The airflow adjustment device (30) is configured to set the airflow through one of the air outlets (22, 24) to substantially zero in at least a first operating state.

5. Air flow guiding system (12) according to any one of the preceding claims, in, The air outlets (22, 24) face in different directions.

6. Air flow guiding system (12) according to any one of the preceding claims, in, The air outlets (22, 24) are oriented at different angles relative to the vertical spatial axis (V) and / or the horizontal spatial axis (H).

7. Air flow guiding system (12) according to any one of the preceding claims, in, One of the air outlets (22, 24) is configured to direct air into the surrounding environment at an angle (W1) with an absolute value of less than 45° relative to the vertical spatial axis (V); and / or One of the air outlets (22, 24) is configured to direct air into the surrounding environment at an angle (W2) with an absolute value of less than 45° relative to a horizontal spatial axis (H).

8. Air flow guiding system (12) according to any one of the preceding claims, in, The air outlet (22, 24) is located in the rear half or rear quarter of the vehicle (10); and / or Wherein, compared with the air outlets (22, 24), the air inlet (14) is located at or closer to the front half of the vehicle (10).

9. Air flow guiding system (12) according to any one of the preceding claims, in, Each of the air outlets (22, 24) extends along at least half of the width of the vehicle (10).

10. Air flow guiding system (12) according to any one of the preceding claims, in, The airflow regulating device (30) comprises: - at least one baffle (32) movable to at least partially block one of the air outlets (22, 24); - a rotary valve rotatable to at least partially block one of the gas outlets (22, 24).

11. Air flow guiding system (12) according to any one of the preceding claims, in, The air passage arrangement (16) comprises an air passage fluidly connecting at least one of the air inlets (14) to each of the air outlets (22, 24).

12. Air flow guiding system (12) according to any one of the preceding claims, in, At least two air inlets (14) are provided, and the air channel device (16) comprises a first air channel for fluidly connecting a first one of the air inlets (14) to a first group of one or more of the air outlets (22, 24), and a second air channel for connecting a second one of the air inlets (14) to a second group of one or more of the air outlets (22, 24).

13. The air flow guiding system (12) according to claim 12, in, The air flow adjustment device (30) is configured to at least partially block one of the air inlets (14).

14. Air flow guiding system (12) according to any one of the preceding claims, in, At least a portion of the air passage arrangement (16) extends internally through the vehicle (10).

15. A vehicle (10), comprising: Air flow guiding system (12) according to any of the preceding claims.

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