• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Front face (1) of a motor vehicle having a central air supply means (5), characterized in that the central air supply means (5) is connected laterally to at least one supply means side air (6A, 6B) conducting air from a central portion of the front face (1) to at least one lateral portion (7A, 7B, RAS) of the vehicle, and in that the front face (1) comprises at least one valve (8A, 8B) between the central air supply means (5) and the lateral air supply means (6A, 6B), for regulating a flow of air flowing between the central air supply means (5) and the lateral air supply means (6A, 6B).
    公开号:FR3022878A1
    申请号:FR1456050
    申请日:2014-06-27
    公开日:2016-01-01
    发明作者:Philippe Gilotte；Martin Struss
    申请人:Plastic Omnium SA；
    IPC主号:
    专利说明:

    [0001] The present invention relates to a front face for a motor vehicle, in particular of the type comprising air inlets for cooling the vehicle engine. The front face for a motor vehicle is a set of components located in front of the air coolers, comprising at least the bumper. A front face may furthermore comprise: shock elements (absorbers), a beam, fairing elements, air duct elements, front fenders, a mudguard (wheel arch), etc. front faces of vehicles having cooling air intakes which are provided at the front of motor vehicles to cool the engine. The cooling air inlet is sometimes ornamented with a grid that plays a purely aesthetic role. In general, the cooling is effected by means of an air / coolant exchanger, also called radiator, and / or of a supercharging air cooler, also called abbreviated RAS. These two devices must be powered by a flow of air from outside to ensure their cooling function. The radiator is generally supplied by means of a central cooling air inlet, whereas the RAS is generally supplied by means of a side cooling air inlet at the front of the bumper. However, it has been shown that these cooling air inlets, central and lateral, could be detrimental to the coefficient of penetration (drag) Cx of the vehicle. To allow a reduction in the coefficient of penetration Cx, while maintaining the cooling air inlets, it is known to equip the front side of aerodynamic air intakes, so as to direct the incoming airflow. on the front side, towards the lateral parts of the bumper to emerge at the front wheels of the vehicle. However, these aerodynamic air intakes, making it possible to improve the air flow around the vehicle to improve the aerodynamics of the vehicle, have only a small impact on the coefficient of penetration Cx, since the pressures exerted on the the lateral parts of the front face are less than the pressure exerted in the central part. However, the air entering the central part is used for cooling the engine. The object of the invention is to provide a front end of the vehicle with an alternating and improved means for reducing the penetration coefficient Cx while optimizing the air intake at the front face. To do this, the front face according to the invention comprises means for using the air from the central air inlet to orient it towards lateral parts such as the wheels. Thus, the adverse impact on the penetration coefficient Cx of the high pressure of the air recovered in the central part of the front face is reduced. Thus, the object of the invention relates to a front face of a motor vehicle 5 having a face intended to be visible from the outside of the vehicle, a central air inlet formed in the central portion of said face allowing the outside air the vehicle to enter a central air supply means. According to the invention, the central air supplying means is connected laterally to at least one lateral air supplying means conveying air from the central part to at least one lateral part of the vehicle, and in that it comprises at least one valve between the central air supply means and the lateral air supply means, for regulating a flow of air flowing between the central air supply means and the means for supplying lateral air. Thanks to this system, the impact on the penetration coefficient C 15 of the high pressure of the air recovered in the central part is greatly reduced by the means of lateral air supply, and the flap makes it possible to jointly manage cooling requirements and aerodynamic requirements. According to the invention, the first valve may be located at the intersection between the central air supply means and the lateral air supply means, so that when the first valve is closed, the air from the central supply means can not enter the lateral air supply means. According to one embodiment, the central air supply means is provided with a shutter to prevent air entering through a central air inlet from leaving the central air supply means to the vehicle engine. . When the first valve is closed, the shutter is open, and conversely, when the first valve is open, the shutter is closed. The lateral air supply means may comprise at least one second valve located between the first valve and a side air outlet, a closure of the second valve for directing air to the vehicle engine. According to one embodiment, the front face comprises at least one lateral air inlet situated between the first valve and the second valve, and allowing the air outside the vehicle to penetrate directly into the air supply means. side to cool a charge air cooler. According to another embodiment, the front face comprises at least one lateral air inlet located between the second valve and the lateral air outlet, and allowing the air outside the vehicle to penetrate directly into the vehicle. side air intake to improve the aerodynamics of the vehicle. According to the invention, the front face may comprise at least one lateral air inlet allowing the air outside the vehicle to penetrate directly into the lateral air supply means, said inlet being provided with a scoop for directing a selected amount of air to the side air outlet of the vehicle, or to the charge air cooler. The central air supply means and the lateral air supply means may constitute two plastic parts fixed to each other so as to prevent any air leakage at the connection. The central air supply means and the lateral air supply means may constitute the same plastic part. The central air supply means and / or the lateral air supply means may constitute caissons. According to the invention, the front face may comprise a skin intended to be visible from the outside of the vehicle, and in which at least one box is closed by means of the inner wall of the skin. The invention also relates to a vehicle comprising a front face according to the invention. The invention will be better understood on reading the appended figures, which are provided by way of example and are in no way limiting, in which: FIG. 1 illustrates an embodiment of a front face of a motor vehicle according to the invention. FIG. 2 illustrates an embodiment of an airflow management device according to the invention. FIGS. 3A to 3D illustrate different valve opening and closing and shutter configurations of an airflow control device according to the invention. FIGS. 4A to 4C illustrate different configurations of opening and closing of a scoop of a particular embodiment of an airflow management device according to the invention. Referring now to Figure 1 which illustrates an embodiment of the front face (1) of a motor vehicle according to the invention. The front face (1) comprises a bumper skin (2) intended to be visible from the outside of the vehicle, and an air flow management device. Referring now to Figure 2 which illustrates an embodiment of airflow management device. The device comprises a central air inlet (3) arranged in the central part of the skin (2) allowing air outside the vehicle to enter a central air supply means (5) arranged behind said face. The central air supply means (5) is connected laterally to at least one lateral air supply means (6A) arranged behind said face and conveying air from the central portion (5) to at least one side part of the vehicle. According to the embodiment of Figure 1, the side portion may be a side air outlet (7A) of the vehicle, or a charge air cooler (RAS). Preferably, as illustrated in Figure 2, the front face (1) comprises two lateral air supply means (6A, 6B). Each driving air from the central portion (5) 10 to at least one lateral air outlet (7A and 7B) of the vehicle. According to one embodiment, the supply means constitute conduits. Each lateral air duct (6A, 6B) comprises a first valve (8A or 8B) for regulating the flow of air flowing between the central air duct (5) and the lateral air duct (6A, 6B). ). When the front face according to the invention is mounted on the vehicle, the central air inlet (3) faces the radiator, and at least one of the lateral air ducts (6A, 6B) pass in front of a cooler. air charge (RAS) when the vehicle has one, and the side air outlets (7A, 7B) open at the front wheels of the vehicle. The use of a central air inlet (3) makes it possible to recover the air in the central part of the bumper, where the aerodynamic air pressures, under running conditions, are the highest. According to a preferred embodiment, the first valves (8A, 8B) are situated at the intersection between the central air duct (5) and the lateral air ducts (6A, respectively 6B), so that when the first valves (8A, 8B) are closed, the air of the central duct (5) can not enter the lateral ducts (6A, 6B). The central air duct (5) has a rear opening (4) positioned in the extension of the central air inlet (3) so as to exhaust air entering the central air duct (5). ) to the engine. Thus, the air enters the central air duct (5), then into the engine at the radiator. Preferably, the central air duct (5) comprises a shutter (10) at the opening (4) facing the radiator. This shutter (10) prevents air entering the central air duct from passing into the engine compartment. The shutter 35 (10) operable on command, reduces or eliminate the flow of air entering when the engine, according to the running configurations, does not need to be cooled. The document FR 2738779 provides an example of such a shutter, in the form of a shutter -5- rolling. The first valves (8A, 8B) are controlled by a control unit (not shown in the figures) which also centralizes the actuation of the shutter (10).
    [0002] Preferably, when the first valves (8A, 8B) are closed, the shutter (10) is open. In this way, the air that enters the central air duct (5) directly and integrally spring through the opening (4) facing the radiator, as shown in Figure 3A. Conversely, when the first valves (8A, 8B) are open, the shutter (10) is closed. In this way, the air entering the central air duct (5) is integrally springing through the side air ducts (6A, 6B), as shown in FIG. 3B. According to one embodiment, at least one of the lateral air ducts (6A, 6B) has a lateral opening (not shown) on its rear face, opposite to the skin (2), and facing the air cooler of overeating. Thus, the air flowing in the side air ducts (6A, 6B) can reach the charge air cooler (s) (RAS). Preferably, the front face (1) according to the invention comprises at least one side air inlet, generally two (11A, 11B), arranged in the central part of the face (2) and allowing outside air the vehicle to enter directly in front of the charge air cooler (RAS). These air inlets (11A, 11B) are cooling air inlets. FIG. 3A illustrates the flows of air entering through these lateral air inlets when the valves (8A, 8B, 13A, 13B) are closed, and FIG. 3B illustrate these air flows when only the second valve (13A, 13B) is closed. These inputs (11A, 11B) can be provided with controlled shutters. According to another embodiment, the front face (1) comprises at least one lateral air inlet, generally two (12A, 12B) and arranged on either side of the central inlet (3) on the skin (2), allowing air outside the vehicle to enter directly into the side air ducts (6A, 6B) facing the side air outlets (7A, 7B). These side air intakes (12A, 12B) are aerodynamic air intakes, as illustrated in FIGS. 3C and 3D. These inputs (12A, 12B) can be equipped with controlled shutters. According to these configurations, whether there are one or two charge air coolers (RAS), flow conflicts can appear between the flow entering by the central inlet (3), the flow (s) entering by the one or more cooling (11A, 35 11B) or aerodynamic (12A, 12B) side air intakes. To overcome this problem, and optimize cooling of the charge air cooler (RAS), the lateral air duct (6A, 6B) preferably comprises a second valve (13A, 13B), located between the first valve (8A, 8B) and the lateral air outlet (7A, 7B). The first and second valves (8A, 8B, 13A, 13B) form, once closed, a conduit for guiding air entering through the side air intakes (11A, 11B) to the engine, and in particular to the charge air cooler (RAS), as shown in Figure 3C. The tables below describe possible configurations of the flow control members (shutters, valves) according to the needs of the vehicle. Configurations Body 1A 1B 1C 10 1E Shutter 10 Closed Closed Closed Closed First Valve 8A Closed Open Open Open Open Side Air Inlet (Cool) 11A Open Open Closed Open Closed Second Valve 13A Closed Closed Closed Open Open Side Air Inlet (aero) 12A Closed Closed Closed Closed Configurations Body 2A 2B 2C 2D 2E Shutter 10 Closed Closed Close Closed Closed First Valve 8A Closed Open Open Open Open Side Air Inlet (Cool) 11A Open Open Closed Open Close Second Valve 13A Closed Closed Closed Open Open Side Air Inlet (aero) 12A Open Open Open Open Open Configurations Body 3A 3B 3C 3D 3E Shutter 10 Open Open Open Open Open First Shutter 8A Closed Open Open Open Open Side Air Inlet (Cool) 11A Open Open Closed Open Closed Second flap 13A Closed Closed Closed Open Open Side air inlet (aero) 12A Closed Closed Closed Iron Closed Configurations Body 4A 4B 4C 4D 4E Shutter 10 Open Open Open Open Open First Valve 8A Closed Open Open Open Open Side Air Inlet (Cool) 11A Open Open Closed Open Close Second Valve 13A Closed Closed Closed Open Open side air (aero) 12A Open Open Open Open Open We can thus favor the cooling of the radiator, or the cooler of -8- supercharging (RAS), or the aerodynamics of the vehicle. Figures 3A-3D illustrate some of these configurations, in which a valve is shown in gray when closed and blank when opened: Figure 3A illustrates the configuration 3A.
    [0003] Figure 3B illustrates the configuration 1B. FIG. 3C illustrates the configuration 4A. FIG. 3D illustrates the configuration 2A. Each of the flow control members (shutter, valves, etc.) is controlled by a control unit. This control unit receives information from different sensors, such as probes. Then, depending on this information (the temperature of the radiator for example), the unit will decide to direct the flow in the most appropriate way to: promote the cooling of the radiator, and / or the charge air cooler 15 (RAS), or promote the aerodynamics of the vehicle. To do this, the control unit controls the flaps, for example by pivoting about a vertical axis located on one of the edges of the flaps. The air management device of the front face according to the invention therefore comprises at least: - a central air supply means (5) comprising: an opening (4) positioned in front of the entrance central air (3) to carry the air to the radiator. a bottom wall (14); an upper wall (15); a lateral air supply means (6A, 6B); The central air supply means (5) may constitute a box defined by a bottom wall, an upper wall, a rear opening (towards the radiator) carrying the opening (4), and a front opening (towards the air inlet). Likewise, each lateral air supply means (6A, 6B) may constitute a box. The boxes are preferably made of plastic. The side boxes (6A, 6B) are attached to the box (5) by any means sealed, so as to avoid any air leakage. The boxes can be glued, welded or overmolded. The three boxes (5, 6A and 6B) may constitute a single piece, preferably made of plastic. Each box may consist of an assembly of different walls. Some of these walls forming the conduit of the box may be -9- from another element of the front face as the inner wall of the bumper skin, the FAT, a tank (washer, headlamp), a other bodywork element visible or not (wing, underbody / converge, pressure, air intake grille, hubcap ...), a shock absorber.
    [0004] The boxes can be attached to the bumper of the front panel. For example a box (5, 6A, 6B) may have a substantially U-shaped, and the closure of the box is effected by means of the inner wall of the skin (2) of the bumper. According to another embodiment (FIGS. 4A, 4B and 4C), the cooling side air inlet (11A, 11B) and the aerodynamic lateral air inlet (12A, 12B) are combined in a single inlet. air (16). To preserve the possibility of controlling the flow of incoming air, so as to direct this air preferentially towards the lateral air outlet (7A), or to the charge air cooler (RAS), this air intake ( 16) is provided with a scoop (17) controllable by a control unit. The scoop is dimensioned so that in the fully folded position, an opening remains, allowing air to enter the side air supply means (6A). The scoop is also dimensioned so that in the intermediate position, between a fully folded position and a fully open position, there remains an open position. inlet (16) to the charge air cooler (RAS). This scoop (17) has between these states completely folded and open, intermediate states, to finely control the amount of air sent from one side or the other, and thus, to favor or disadvantage the cooling or the cooling. 'Aero Dynamics. Thus the scoop (17) directs a selected amount of air to the lateral air outlet (7A) of the vehicle, or to the charge air cooler. Figures 4A to 4C illustrate some of these configurations: Figure 4A illustrates a configuration in which the bailer (17) is fully folded. All air then escapes to the side air outlet (7A) of the vehicle, through the side air supply means (6A) conducting the air. Figure 4B illustrates a configuration in which the scoop (17) is partially open, leaving a non-tight side portion. Some air 35 then escapes to the side air outlet (7A), and most of the air enters directly to the charge air cooler (RAS). Figure 4C illustrates a configuration in which the bailer (17) is: fully open. All air enters directly to the charge air cooler (RAS), there is no air exiting to the side air outlet (7A).
    权利要求:
    Claims (7)
    [0001]
    REVENDICATIONS1. Front face (1) of a motor vehicle having a central air supply means (5), characterized in that the central air supply means (5) is connected laterally to at least one supply means side air (6A, 6B) conducting air from a central portion of the front face (1) to at least one lateral portion (7A, 7B, RAS) of the vehicle, and in that the front face (1) comprises at least one valve (8A, 8B) between the central air supply means (5) and the lateral air supply means (6A, 6B), for regulating a flow of air flowing between the central air supply means (5) and the lateral air supply means (6A, 6B).
    [0002]
    2. Front face (1) according to claim 1, wherein the first valve (8A, 8B) is located at the intersection between the central air supply means (5) and the air supply means side (6A, 6B), so that when the first valve (8A, 8B) is closed, the air from the central supply means (5) can not enter the lateral air supply means (6A, 6B).
    [0003]
    3. Front face (1) according to one of the preceding claims, wherein said central air supply means (5) is provided with a shutter (10) to prevent air entering through an air inlet central (3) to leave the central air supply means (5) to the vehicle engine.
    [0004]
    4. Front face (1) according to claim 3, wherein when the first valve (8A, 8B) is closed, the shutter (10) is open, and vice versa, when the first valve (8A, 8B) is open, the shutter (10) is closed.
    [0005]
    5. Front face (1) according to one of the preceding claims, wherein the lateral air supply means (6A, 6B) comprises at least one second valve (13A, 13B), located between the first valve (8A , 8B) and a side air outlet (7A, 7B), a closure of the second valve (13A, 13B) for directing air to the vehicle engine.
    [0006]
    6. Front face (1) according to claim 5, comprising at least one side air inlet (11A, 11 B) located between the first valve (8A, 8B) and the second valve (13A, 13B), and allowing the air outside the vehicle to enter directly into the side air supply means (6A, 6B) for cooling a charge air cooler.
    [0007]
    7. Front face (1) according to one of claims 5 and 6, comprising at least one lateral air inlet (12A, 12B) located between the second valve (13A, 13B), and the lateral air outlet ( 7A, 7B), and allowing the air outside the vehicle to enter directly into the lateral air supply means (6A, 6B) to improve the aerodynamics of the vehicle: 12 8 Front (1) according to one of claims 1 to 5, comprising at least one side air inlet (16) allowing the air outside the vehicle to enter directly into the lateral air supply means (6A, 6B), said inlet (16) being provided with a scoop (17) for directing a selected amount of air to the side air outlet (7A) of the vehicle, or to the charge air cooler. 9. Front face (1) according to one of the preceding claims, wherein the central air supply means (5) and the lateral air supply means (6A, 6B) constitute two plastic parts. fixed to each other so as to avoid any air leakage at the connection. 10. Front face (1) according to one of claims 1 to 8, wherein the central air supply means (5) and the lateral air supply means (6A, 6B) constitute a single room made of plastic 11 Front face (1) according to one of the preceding claims, wherein the central air supply means (5) and / or the side air supply means (6A, 6B) constitute caissons. 12 front face (1) according to claim 11, comprising a skin (2) intended to be visible from the outside of the vehicle, and wherein at least one box (5, 6A, 6B) is closed by means of the inner wall; skin (2). 13. Vehicle comprising a front face (1) according to one of the preceding claims.
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    法律状态:
    2015-06-25| PLFP| Fee payment|Year of fee payment: 2 |
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    优先权:
    申请号 | 申请日 | 专利标题
    FR1456050A|FR3022878B1|2014-06-27|2014-06-27|FRONT PANEL OF MOTOR VEHICLE WITH CENTRAL AIR INLET AND SIDE OUTPUTS|
    FR1456050|2014-06-27|FR1456050A| FR3022878B1|2014-06-27|2014-06-27|FRONT PANEL OF MOTOR VEHICLE WITH CENTRAL AIR INLET AND SIDE OUTPUTS|
    PCT/FR2015/051627| WO2015197952A2|2014-06-27|2015-06-19|Motor vehicle front surface with central air inlet and side outlets|
    CN201580034861.4A| CN106660443B|2014-06-27|2015-06-19|Motor vehicle front face with central air inlet and lateral outlets|
    US15/319,011| US10569643B2|2014-06-27|2015-06-19|Motor vehicle front surface with central air inlet and side outlets|
    EP15733848.4A| EP3160787B1|2014-06-27|2015-06-19|Motor vehicle front surface with central air inlet and side outlets|
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