AIR INTAKE DEVICE FOR A VEHICLE EQUIPPED WITH AN INTERNAL COMBUSTION ENGINE

Description

[0001] The present invention relates to an air intake device for a vehicle equipped with an internal combustion engine, comprising a device for guiding purified intake air for combustion in the direction of the internal combustion engine and an air filter element as well as a housing accommodating the air filter element and at least one air guiding device which is channel-shaped and is provided for guiding intake air to the housing and the air guiding device extends in the region between a holding device and the housing, according to the preamble of claim 1.

[0002] A generic air intake device, as described above, has become known from a motorcycle belonging to the applicant. It comprises two air guide devices in the form of channels with a rectangular cross-section that open into a housing containing an air filter element. The purified air is then fed to a throttle valve device by means of a device in the form of two air guides and, downstream of the throttle valve device, to the internal combustion engine.

[0003] These aforementioned ducts extend forward from a front side of the housing, viewed in the direction of travel of the motorcycle, and outward on both sides from a longitudinal center plane of the housing, so that the respective air inlet opening of the duct is located outside the outer lateral contour lines of the housing in a view of the known configuration from above. This configuration is necessary because the ducts with their air inlet openings must extend around a lamp mask that accommodates the motorcycle's main headlight. Otherwise, the lamp mask, which accommodates and surrounds the main headlight with its flat lateral extension, would impede the entry of fresh air or intake air into the air inlet openings of the ducts.

[0004] The said vehicle has side panel elements arranged on the side of a main frame of the motorcycle, which cover the ducts on the sides so that the air inlet openings are located within the side panel elements.

[0005] Although this configuration has already proven itself to be very successful, it still has room for improvement in that the width of the known air intake device can be reduced in the longitudinal direction of the vehicle and thus the overall width of the vehicle can be reduced, which at the same time can reduce the frontal area that influences the driving resistance of the motorcycle.

[0006] An air intake device according to the preamble of claim 1 has also become known from JP 2011 173504 A.

[0007] Based on this, the present invention is based on the object of further developing the known air intake device in such a way that an air intake device with a reduced overall width, viewed transversely to the vehicle's longitudinal direction, is achieved, thus reducing the overall width of the vehicle. A vehicle equipped with the air intake device to be provided is also to be provided.

[0008] To achieve this object, the invention has the features specified in claim 1 with respect to the air intake device. Advantageous embodiments thereof are described in the further claims. Furthermore, with respect to the vehicle to be created, the invention has the features specified in claim 11.

[0009] The invention provides an air intake device for a vehicle equipped with an internal combustion engine, comprising a device for guiding purified intake air for combustion towards the internal combustion engine, an air filter element, an air filter housing accommodating the air filter element, and at least one air guiding device which is channel-shaped and is provided for guiding intake air to the air filter housing, and the air guiding device extends in the region between a holding device and the air filter housing, wherein the holding device has a side wall with a receiving surface on both sides of a longitudinal center plane vertical in the direction of travel, on which a respective printed circuit board with at least one illuminant arranged on the printed circuit board is arranged, and the respective receiving surface has a surface which is designed to transfer heat emitted by the illuminant to the respective side wall,and the holding device has an air duct adjacent to the lighting means, which is connected to the air ducting device in an air-conducting manner, wherein the air duct is formed between the opposite side walls of the holding device.,

[0010] With the design of the air intake device according to the invention, it is achieved that by integrating the air guide channel adjacent to the illuminant into the holding device in the form of the holding device, a multifunctional component is provided which is designed both to accommodate at least one illuminant and at the same time performs the function of directing or guiding the intake air by means of the air guide channel to the air guiding device.

[0011] The holding device is advantageously arranged in the vehicle longitudinal direction, for example centrally or in the region of the longitudinal center plane of the vehicle, so that the air guiding device extends from the holding device in the direction of the housing of the air intake device.

[0012] The holding device is advantageously arranged at the front of the vehicle, i.e. viewed in the longitudinal direction of the vehicle or in the direction of travel of the vehicle when driving forward, at or near the front end of the vehicle, so that when the vehicle is driving forward, the intake air reaches the air guide device via the air duct of the holding device. This configuration therefore results in a dynamic pressure buildup depending on the vehicle's driving speed, and the configuration in which the air duct is arranged adjacent to the lamp also ensures that the intake air flowing through the air duct can dissipate the heat transferred from the lamp to the holding device. The holding device therefore acts simultaneously as a heat sink or cooling device for the lamp(s).

[0013] The light source(s) may advantageously be light-emitting diodes which are arranged, for example, on a control board or circuit board which simultaneously serves to accommodate the light-emitting diode(s) and which is arranged in or on the holding device in such a way that the waste heat of the light-emitting diodes and the control electronics arranged on the control board or circuit board is transferred to the holding device which is traversed or penetrated by the air duct so that the intake air flowing through the air duct can simultaneously function as a cooling air flow.

[0014] The configuration in which the air guiding device extends in the area between the holding device and the housing ensures that the air guiding device extends from the housing of the air intake device in the forward direction and thus, viewed in the direction of travel of the vehicle, closely fits the longitudinal center plane of the vehicle and thus, compared to the known air intake device, a significant reduction in the extension of the air intake device in the width direction of the vehicle is achieved.

[0015] Thus, the air intake device according to the invention creates a multifunctional device which serves to supply air to the internal combustion engine, simultaneously reduces the width of the vehicle and also serves as a heat sink or cooling device for the vehicle's lighting device(s).

[0016] According to a further development of the invention, it is provided that the air guiding device has at least two air guiding channels which run largely parallel in sections and which are integrally connected to one another at one end region.

[0017] This configuration ensures that the parallel air ducts extending from the housing of the air intake device are provided in close proximity to the longitudinal center plane of the vehicle, so that the intake air flow entering the air ducts can flow at a high flow velocity towards the housing of the air intake device, thus reducing fluid friction losses caused by wall deposits of the air flow in the air ducts.

[0018] According to a further development of the invention, it is provided that the air intake device has a respective air guide channel which is connected to an inlet opening of the housing in an air-conducting manner by means of a curved intake air line and a respective end region of the air guide channel is designed to be detachably connectable to an associated connection region of the intake air line in the form of a plugged connection.

[0019] This configuration results in the respective air duct having an intake air line similar to a snorkel, starting from the air duct of the holding device in the direction of the housing, which intake air line can be produced for easy assembly during the manufacture of the vehicle equipped with the air intake device according to the invention without the use of tools by creating a simple plug connection between the intake air line and the air duct.

[0020] It has proven advantageous if the intake air line has a configuration that is directed downwards in some areas or sections, starting from the air duct, since in this way water entering the air duct of the holding device when the vehicle is traveling in the rain in the direction of the intake air line can be drained off via a drain hole provided, for example, in the intake air line before it enters the housing of the air intake device.

[0021] According to a further development of the invention, it is provided that the holding device is a body formed with the air guide channel arranged between side walls, which body has first and second body elements connecting the side walls and enclosing the air guide channel together with the side walls and has an air inlet region and an air outlet region facing the air guide device.

[0022] The side walls can simultaneously serve as heat sinks for dissipating the heat emitted by the lamp(s) and their control electronics. Together with the first and second body elements connecting the side walls, they form a region enclosing the air duct, which forms an air inlet region in the front region of the holding device in the direction of travel of the vehicle, and has an air outlet region facing the air duct in the rear region of the holding device in the direction of travel of the vehicle. The air duct of the holding device can, for example, also have a tapered configuration in the region between the air inlet region and the air outlet region, so that the intake air flowing through the air duct experiences a flow acceleration.

[0023] According to a further development of the invention, it is also provided that the holding device has at least one receiving surface for arranging at least one illuminant and the receiving surface is designed to dissipate heat from the illuminant.

[0024] The receiving surface can, for example, serve to arrange the above-mentioned control board or circuit board, so that the heat emitted by the lighting means, which are designed, for example, as light-emitting diodes, is emitted via the receiving surface to the side walls of the holding device, which are actively cooled on the side facing the air duct by the intake air flowing through the air duct.

[0025] According to a further development of the invention, it is also provided that the holding device has a configuration that is largely complementary in shape and area to the configuration of an air inlet region of the air guide device at an end region of the air guide device facing the air guide device.

[0026] When arranged on a motorcycle, for example, the holding device can be arranged in the area of ​​the upper fork bridges of a front wheel fork of the motorcycle, so that the holding device, together with the front wheel fork, experiences pivoting movements relative to the longitudinal center axis or longitudinal center plane of the motorcycle when the motorcycle is steered, thus resulting in an angular change of the air outlet area of ​​the air guide channel of the holding device relative to the air inlet area of ​​the air guide device.

[0027] The shape and surface complementary configuration of the end region of the air duct relative to the air inlet region of the air ducting device ensures that the intake air flow, which flows through the air duct largely in a laminar manner, experiences only a few fluid disturbances in the transition region between the air duct and the air inlet region of the air ducting device that impair the laminar flow, and thus a high flow velocity is established in the entire intake air region in front of the housing of the air intake device.

[0028] According to a further development of the invention, it is also provided that the holding device has receiving surfaces for arranging cover plates covering the lighting means on the outer regions of the side walls facing away from the air duct.

[0029] This configuration ensures that cover plates can be arranged on the side walls on both sides of the air duct, which can completely penetrate the holding device, which are arranged on both sides of the air duct and each delimit a receiving space between the side walls and the cover plates, in which the light source(s) can be arranged.

[0030] In this way, a receiving space is arranged on both sides of the air duct, in which, for example, the control board with the LEDs arranged on it is arranged on the respective receiving surface mentioned above, and the respective receiving space is spanned on the outside by the cover plates. The air duct completely penetrates the holding device and is therefore arranged between the cover plates, and the intake air flowing through the air duct cools the rear side of the respective side wall assigned to the air duct. The receiving spaces for lamps provided on both sides of the air duct allow a number of lamps, in the form of LEDs, for example, to be integrated, adapted to the respective luminosity requirements of the vehicle's lamps.

[0031] According to a further development of the invention, the side walls of the retaining device have a triangular configuration in a side view, and upper regions of the side walls are formed integrally with the first body element, and the side walls, spaced apart from the lower regions of the side walls, are formed integrally with the second body element. This configuration creates a configuration of the air duct of the retaining device similar to an inlet funnel, which ensures a high flow velocity of the intake air in the region of the air duct of the retaining device.

[0032] According to a further development of the invention, it is provided that the holding device has means for arranging at least one receptacle carrying at least one illuminant, and the means and / or the receptacle and / or the illuminant is functionally coupled to the holding device for heat transfer to the holding device.

[0033] The means can, for example, be one or more threaded holes to which the receptacle carrying a light source, in the form of, for example, a circuit board, can be secured. The means can, for example, also be a recess designed to receive an elastic component, in the form of, for example, a spacer made of an elastomer, so that the circuit board with the LEDs arranged thereon can be secured to the holding device with the elastic spacer(s) in a vibration-damped or vibration-decoupled manner. This configuration ensures that vibrations induced, for example, by the vehicle's internal combustion engine are not transmitted to the LEDs, or are transmitted only in a damped manner.

[0034] According to a further development of the invention, it is also provided that the air guide channel of the holding device is formed with a guide device or guide surface for guiding air flowing through the air guide channel into contact with a surface of at least one side wall heated by the heat-emitting illuminant.

[0035] The guide device or guide surface can, for example, be an air guide surface integrated into the air duct, which directs the intake air flowing into the air duct to the area of ​​the side wall or side walls of the holding device which is heated the most by the waste heat from the lamps.

[0036] According to a further development of the invention, it is also provided that the end region of the air guiding device has a transition region which widens in cross section in the direction of the air inlet region and which is assigned to the air guiding channel of the holding device.

[0037] This ensures that the intake air flowing out of the air outlet area of ​​the air duct of the retaining device enters the air inlet area of ​​the air duct in a targeted manner, even when the angle of the retaining device changes relative to the air duct, for example, due to the pivoting movements of the retaining device mentioned above during steering movements on the vehicle, and does not, for example, bluntly strike a wall surface bordering the air inlet area of ​​the air duct. This configuration ensures that the intake air flowing through the air duct maintains a high velocity even during steering movements.

[0038] Finally, the invention also provides a vehicle with at least one front wheel and at least one rear wheel, and an internal combustion engine having an air intake device as described above. The vehicle can be, for example, a single-track vehicle in the form of a motorcycle, or a vehicle with more than one track in the form of an all-terrain vehicle, ATV, or quad.

[0039] The invention is explained in more detail below with reference to the drawing, which shows: Fig. 1 an embodiment of the air intake device according to the invention in an exploded view; Fig. 2 another exploded view of elements of the air intake device; Fig. 3 a top view of elements of the air intake device; Fig. 4 a schematic representation to explain the guidance of the intake air towards the housing of the air intake device; Fig. 5 a perspective view of a holding device of the air intake device; Fig. 6 a representation of the holding device in a right side view; Fig. 7 a representation of the holding device in a left side view; Fig. 8 a top view of the holding device; Fig. 9 a partially exploded view of an air intake device according to a modified embodiment; Fig. 10 a schematic representation of a top view of an air intake device according to the modified embodiment in a rotation angle position; Fig. 11 a top view of a motorcycle equipped with the air intake device according to the invention; Fig. 12 for comparison with the Fig. 11 a top view of a motorcycle equipped with the known air intake device; and Fig. 13 a side view of a schematically illustrated motorcycle with the air intake device according to the invention.

[0040] Fig. 1 The drawing shows an exploded view of an embodiment of an air intake device 1 according to the present invention.

[0041] The air intake device 1 is, for example, for arrangement on the Fig. 13 The motorcycle 2 shown in the drawing is provided for this purpose. The motorcycle 2 has an internal combustion engine 3, which in the embodiment shown is a V2 engine.

[0042] The air intake device 1 has a device for guiding purified intake air towards the internal combustion engine, which can generally be a channel-shaped body or an air guiding means, and which in the embodiment shown is Fig. 2 the drawing shows funnels or air guide funnels 4, which can for example also represent part of a throttle valve body 5, and are provided to be able to guide the intake air cleaned via an air filter element 6 in the direction of the inlet area of ​​the internal combustion engine 3 for the entry of the intake air and / or an intake air-fuel mixture into the combustion chamber of the respective cylinders of the internal combustion engine 3.

[0043] The air intake device 1 further comprises a housing 7 accommodating the air filter element 6 and has a channel-shaped air guide device 8 which opens into intake air lines 9 which guide the still uncleaned intake air towards the housing 7.

[0044] After the still uncleaned intake air has entered the housing or air filter housing 7, it is passed through the air filter element 6 to clean the intake air, and then passes through the interior 10 of the housing 7 in the direction of the funnels 4 and is then enriched with fuel to finally reach the combustion chambers of the internal combustion engine 3.

[0045] As can be seen, for example, from Fig. 1 As can be seen from the drawing, at the air inlet area 11 of the air guiding device 8 a more detailed Figuren 5 bis 8 The holding device 12 shown in the drawing is provided, which serves both to guide the intake air in the direction of the air guiding device 8 and to accommodate at least one lighting means of the motorcycle 2 and has a body designated generally by the reference numeral 46.

[0046] Fig. 1 For the sake of explanation, the drawing also shows the holding device 12 also provided with cover plates 13, which serve to protect and cover the lighting means provided on the holding device 12.

[0047] In the holding device 12 shown in the drawing, the illuminants 25 are arranged on both sides of the air duct 15 in the interior spaces or areas provided under the cover plates 13.

[0048] One in Fig. 1 The hose 14 shown in the drawing, which is arranged on the intake air line 9, serves to drain condensate or water which, for example, can enter the air guiding device 8 when the motorcycle 2 is riding in the rain and is drained away before it can enter the housing 7 of the air intake device 1. The second intake air line 9 also has a hose for draining water or condensate.

[0049] The holding device 12 is provided with an air guide channel 15, which can be seen in more detail in the further figures, into which the intake air can enter at the front area and exit again at the rear area of ​​the holding device 12 in the direction of the air inlet area of ​​the air guide device 8.

[0050] As shown by Fig. 3 As can be seen from the drawing, the air guiding device 8 has two air guiding channels 16 which run parallel in sections and which open into the intake air lines 9 at the rear in the drawing. In the area of ​​the intake air lines 9, the air guiding channels 16 have an end area which is complementary to the inlet area of ​​the intake air lines 9, so that the air guiding channels 16 can be detachably connected to the intake air lines 9 in the form of a plug-in connection, without the use of tools during assembly.

[0051] The intake air lines 9 are curved and open into a respective inlet opening 47 of the housing 7, whereby due to the arrangement and design of the air intake device 1 according to the invention, there is an air inlet at the front area of ​​the air guide channel 15, as shown in Fig. 4 shown in the drawing, and the further guidance of the air via the air guiding device 8 and the intake air line 9 in the direction of the air filter element 6 results in a dynamic pressure boost which promotes the performance of the internal combustion engine 3.

[0052] Fig. 5 The drawing shows a perspective view of the multifunctional holding device 12 of the air intake device 1 according to the invention.

[0053] The holding device 12 has two side walls 17 which enclose between them the air guide channel 15 which is formed by the side walls 17 and a first or upper body element 18 and a second or lower body element 19 of the body 46 and has an air inlet region 20 at the front or end region and an air outlet region 21 at the rear or rear region which is assigned to the air inlet region 22 of the air guide device 8.

[0054] The air guide channel 15 thus serves to guide the intake air through the holding device 12 into the air inlet area 22 of the air guide device 8. In the illustrated embodiment of the air intake device 1, the holding device 12 is formed from a light metal alloy, for example an aluminum alloy, so that the intake air passing through the air guide channel 15 comes into contact with the side walls 17 of the holding device 12 throughout its entire path through the air guide channel 15 and can thereby dissipate heat from the side walls 17 which is emitted to them by the lighting means 25.

[0055] Fig. 5 The drawing shows a receiving surface 23 which is designed for the arrangement of at least one illuminant 25 and has a surface 24 on which the light emitted by the illuminant(s) 25 which are in Fig. 1 the drawing are shown schematically, the heat emitted is transferred to the holding device 12 and here in particular to the side walls 17, and the heat is dissipated via the intake air passing through the air duct 15, so that the holding device 12 serves on the one hand to guide the intake air and on the other hand also to dissipate heat from the lighting means 25, which can be designed as light-emitting diodes and also forms a receiving body for the arrangement of the lighting means 25.

[0056] Fig. 6 The drawing shows the holding device 12 in a representation from the right side and makes it clear that the holding device 12 has on both sides of its longitudinal center plane a receiving surface 23 for lamps 25 and a surface 24 for dissipating the heat emitted by the lamps 25 to the side walls 17.

[0057] The lighting means 25 can be arranged on the surfaces 24, for example via receptacles carrying the lighting means in the form of, for example, circuit boards not shown in detail, and the arrangement of the circuit boards on the surfaces 24 results in the heat emitted by the light-emitting diodes 25 being emitted via the circuit boards to the receptacle surfaces 23, from where it is transferred to the side walls 17 via heat conduction and / or convection and / or radiation and is dissipated there by the intake air flowing through the air duct 15.

[0058] As can be seen, for example, from Fig. 7 As shown in the drawing, the holding device 12 has a largely triangular configuration in a side view and has receptacles 26 which serve to arrange the holding device 12 on frame components 27 of the motorcycle 2, as shown in Fig. 13 shown in the drawing.

[0059] The holding device 12 has on both side walls 17 on the outer area 28 spaced from the air duct 15, receiving surfaces 29 designed as circumferential grooves 30 for the arrangement of the Fig. 1 the drawing, which cover the respective receiving space 31 of the holding device 12 for the arrangement of the lamps 25 and close it off to the outside.

[0060] In this way, the lamps 25 are protected against environmental influences in the form of, for example, rain and dirt and can emit light via the transparent cover plates 13.

[0061] Fig. 8 The drawing shows a view of the holding device 12 from above. As is readily apparent, the air duct 15 between the side walls 17 is tapered from the air inlet area 20 toward the air outlet area 21. This configuration ensures that the intake air flowing through the air duct 15 experiences a flow acceleration on its path through the air duct 15, thus achieving a configuration that enhances the performance of the internal combustion engine 3 by improving the filling level of the combustion chambers of the internal combustion engine 3.

[0062] Fig. 9 The drawing shows a modified embodiment of the air intake device 1, which differs from the one shown in Fig. 1 illustrated embodiment in that an air guide funnel 32 is provided between the holding device 12 and the air guide device 8, which has a funnel inlet region 33 which is designed to be complementary in shape and area to the air outlet region 21 of the holding device 12 and has a widening funnel outlet region 34 which is designed to be complementary in shape and area to the inlet region 35.

[0063] Fig. 10 The drawing shows that the air guide funnel 32, together with the holding device 12, can be pivoted around the steering head bearing tube 36 during a steering movement on the motorcycle 2. Due to its design, which complements the shape and surface area of ​​the inlet region 35 of the air guide device 8, it can be pivoted without the formation of an increasing gap region between the inlet region 35 and the funnel outlet region 34, thus preventing a deterioration in the flow characteristics of the intake air provided by the air intake device 1 due to a steering movement on the motorcycle. The air guide funnel 32 can be formed from an elastomer, for example a rubber-like material, which conforms to the funnel inlet region 33 of the air guide funnel 32.

[0064] Fig. 11 The drawing shows a top view of a motorcycle 2 equipped with the air intake device 1 according to the invention.

[0065] In comparison, Fig. 12 The drawing shows a top view of a known motorcycle originating from the applicant and equipped with the known air intake device. The known air intake device has air inlet areas, designated by reference numeral 37, in air guide channels 38, which extend around the steering head bearing tube 39 and are covered from the outside by fairing components 40.

[0066] If this frontal area 41 of the known motorcycle is now Fig. 12 of the drawing with the frontal area 41 of the motorcycle 2 with the air intake device 1 according to the invention, it immediately becomes clear that the frontal area 42 of the known motorcycle due to the significantly greater width extension of the frontal area 42 of the known motorcycle in the direction of the double arrow B in direct comparison with the frontal area 42 of the motorcycle according Fig. 11 the drawing is much larger and therefore the air resistance is also greater.

[0067] The reduction of the air resistance of the motorcycle 2 with the air intake device according to the invention ensures a more efficient configuration in terms of achievable fuel consumption and also ensures that the overall visual impression of the motorcycle is improved due to the slimmer configuration of the motorcycle 2 in the width direction.

[0068] Fig. 13 The drawing shows a side view of a motorcycle 2 provided with the air intake device 1 according to the invention, the motorcycle having a front wheel 42, a rear wheel 43, a rider's saddle 44 and the already mentioned internal combustion engine 3.

[0069] As can be seen from Fig. 13 As can be seen from the drawing, the intake air enters the air guide channel 45 - symbolically represented by the arrows 45 - and is guided from there via the air guide device 8 and the intake air lines 9 to the housing 7 of the air intake device 1 according to the invention. The holding device 12 with its air guide channel 15 is designed both to guide the intake air and to receive the air flow described in more detail with reference to Fig. 1 The light source 25 shown in the drawing is designed in the form of light-emitting diodes and can dissipate heat emitted by the light-emitting diodes during operation via the intake air flowing through the air duct 15, so that a multifunctional configuration has been created with the air intake device according to the invention.

[0070] With regard to features of the invention not explained in detail above, reference is expressly made to the patent claims and the drawings. List of reference symbols

[0071] 1.Air intake device 2.Motorcycle 3.Internal combustion engine 4.Funnel 5.Throttle body 6.Air filter element 7.Housing 8.Air ducting device 9.Intake air line 10.Interior 11.Air inlet area 12.Holding device 13.Cover plate 14.Hose 15.Air duct 16.Air ducts 17.Side wall 18.First body element 19.Second body element 20.Air inlet area 21.Air outlet area 22.Air inlet area 23.Receiving surface 24.Surface 25.Light source 26.Receiver 27.Frame 28.Area 29.Receiving surface 30.Groove 31.Receiving space 32.Air ducting funnel 33.Funnel inlet area 34.Funnel outlet area 35.Inlet area 36.Steering head bearing tube 37.Air intake area 38.Air duct 39.Steering head bearing tube 40.Fairing components 41.Front face area 42.Front wheel 43.Rear wheel 44.Rider's saddle 45.Arrows 46.Body 47.Inlet opening B: Width extension

Claims

1. Air intake device (1) for a vehicle (2) equipped with an internal combustion engine (3), with a device (4) guiding purified intake air for combustion in the direction of the internal combustion engine (3) and an air filter element (6) as well as an air filter housing (7) accommodating the air filter element (6) and at least one air guide device (8), which is duct-shaped and is provided for guiding intake air to the air filter housing (7) and the air guiding device (8) extends in the region between a holding device (12) and the air filter housing (7), characterised in that in that the holding device (12) has a side wall (17) with a receiving surface (23) on both sides of a longitudinal centre plane which is vertical in the direction of travel and on which a respective printed circuit board with at least one illuminant (25) arranged on the printed circuit board is arranged, and the respective receiving surface (23) has a surface (24), which is set up for transferring heat emitted by the illuminant (25) to the respective side wall (17), and the holding device (12) has an air guide duct (15) which is adjacent to the illuminants (25) and is connected to the air guide device (8) in an air-guiding manner, the air guide duct (15) being formed between the opposing side walls (17) of the holding device (12).

2. Air intake device (1) according to claim 1, characterised in that the air guide device (8) has at least two air guide ducts (16) which run parallel in sections and are integrally connected to one another at an upstream end region.

3. Air intake device according to claim 1 or 2, characterised by a respective air guide duct (16) which is connected in an air-guiding manner to an inlet opening of the air filter housing (7) by means of a curved intake air duct (9), and a respective downstream end region of the air guide duct (16) is designed to be detachably connectable to an associated connection region of the intake air duct (9) in the form of a plugged connection.

4. Air intake device (1) according to one of the preceding claims, characterised in that the holding device (12) is a body (46) formed with the air guide channel (15) arranged between the side walls (17), which body has first (18) and second (19) body elements connecting the side walls (17) and enclosing the air guide channel (15) together with the side walls (17) and has an air inlet region (21) and an air outlet region (22) facing the air guide device (8).

5. Air intake device (1) according to one of the preceding claims, characterised in that the holding device (12) has, at an end region of the air guide duct (15) facing the air guide device (8), a configuration complementary in shape and area to the configuration of an air inlet region (22) of the air guide device (8).

6. Air intake device (1) according to one of claims 2 to 5, characterised in that the holding device (12) has receiving surfaces (29) on outer regions of the side walls (17) facing away from the air duct (16) for the arrangement of cover plates (13) covering the illuminants (25).

7. Air intake device (1) according to one of the preceding claims, characterised in that the side walls (17) of the holding device (12) have a triangular configuration in a side view with respect to the direction of travel and upper regions of the side walls (17) are formed in one piece with the first body element (18) with respect to a vertical axis of the vehicle and the side walls (17) are formed in one piece with the second body element (19) at a distance from lower regions of the side walls (17).

8. Air intake device according to claim 7, characterised in that the air guide channel (15) is formed between the side walls (17) and the integrally formed regions of the holding device (12).

9. Air intake device (1) according to one of the preceding claims, characterised in that the holding device (12) is arranged pivotably relative to a vertical axis of the vehicle (2) in an air inflow region of the vehicle (2).

10. Air intake device (1) according to one of claims 2 to 9, characterised in that the upstream end region of the air guide device (8) has a transition region which widens cross-sectionally in the direction of the air inlet region (22) and which is associated with the air guide channel (15) of the holding device (12).

11. Vehicle (2) with at least one front wheel (42) and at least one rear wheel (43) and an internal combustion engine (2), characterised by an air intake device (1) according to one of the preceding claims.