• 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:
    The invention relates to a panel (6) for flaps (9) for air intake (2, 3) of a motor vehicle (1) comprising a plurality of flaps (9) mounted movably pivotally about a longitudinal axis of pivoting (A) respective, the longitudinal axes of pivoting (A) extending parallel to each other and being arranged next to each other characterized in that the alignment of the longitudinal axes of pivoting (A) is part of a curved surface (S). The invention also relates to a motor vehicle (1) comprising at least one such panel (6) flaps (9).
    公开号:FR3036662A1
    申请号:FR1554893
    申请日:2015-05-29
    公开日:2016-12-02
    发明作者:Frederic Vacca
    申请人:Valeo Systemes Thermiques SAS；
    IPC主号:
    专利说明:

    [0001] The invention relates to a shutter panel for motor vehicle air intake and a motor vehicle equipped with at least one flap panel. The front faces of motor vehicles are generally composed of a main air inlet or two air inlets, called high and low tracks, separated by a bumper beam. Behind this bumper beam are generally placed the heat exchangers of the motor vehicle, such as that used for the air conditioning of the passenger compartment. A flap panel is also generally mounted at the rear of the vehicle's 10 air inlets. The shutters are formed of slats pivotally mounted transversely on the panel. The inclination of the flaps can be controlled between a vertical closing position blocking the passage of air and several intermediate positions to a horizontal opening position where a maximum air flow can circulate. When the shutter panel is closed, the vehicle has a better coefficient of air penetration, which reduces fuel consumption and CO2 emissions. In addition, the controlled shutters are arranged in front of a heat exchange device, which makes it possible, in the closed position, to accelerate the temperature rise of the heat exchangers during the heating phase, while also reducing the consumption of the vehicle and therefore the emission. of CO2. However, the space available under the hood between the bumper beam and the heat exchangers is relatively small, which may complicate the integration of the flap shutter panel with other components, such as the parking aid radar. In addition, it is sought to improve the efficiency of the shutter panel in the open position. One of the aims of the present invention is to provide a panel of 30 flaps to better optimize the space available under the hood of the vehicle. Another object of the present invention is to improve the efficiency of the shutter panel in the open position. To this end, the subject of the invention is a shutter panel for motor vehicle air intake comprising a plurality of flaps mounted pivotally movable about a respective longitudinal axis of pivoting, the longitudinal axes of pivoting extending in parallel. to each other and being arranged next to each other characterized in that the alignment of the longitudinal axes of pivoting is in a curved surface. It is thus possible to obtain a flap panel whose shape may follow that of the elements situated in front of it, such as the bumper beam, the grille or other reinforcing elements of the vehicle. The shutter panel can be moved closer to the vehicle's air intakes, increasing the space available under the hood. The increased distance between the flap panel and the heat exchanger device 15 makes it possible to obtain a less turbulent, more laminar, faster and therefore more efficient flow of air for cooling the heat exchangers. Also, increasing the under-hood space gives room to arrange other vehicle components between the heat exchanger device 20 and the shutter panel, such as in particular a detection radar or a horn. In addition, the length of the vertically arranged shutters is reduced compared to the flaps of the prior art arranged horizontally, and their number is increased by about 15 to 20%. Thus, the flaps have a better flexural strength and the flap panel has a better resistance in the closed position, in particular at the air or water pressure (for example at a fording passage). According to one or more characteristics of the shutter panel, taken alone or in combination, the curved surface has a curved curvature, for example the curved curvature protrudes towards the front of the motor vehicle, the shutter panel comprises at least one flexible drive shaft connected to the flaps extending perpendicularly to the longitudinal axes of pivoting flaps. The flexible flexible drive shaft 5 allows it to follow the curved surface in which the alignment of the longitudinal axes of pivoting is inscribed. the shutter panel comprises a rotary actuator connected to the flexible drive shaft configured to drive the flexible rotational drive shaft; the shutter panel comprises a pinion mounted on each flap coaxially with the longitudinal axis of the flap panel; pivoting and the flexible drive shaft comprises at least one worm meshing with the pinions, - the flexible drive shaft comprises at least two adjacent worms, in opposite directions, meshing with the sprockets having helical helices opposed. Thus, the same direction of rotation of the flexible drive shaft having a double helical direction can rotate the flaps at the same time in opposite directions of rotation on either side of a concave portion of the drive shaft. the shutter panel comprises at least one linear actuator connected to the flexible drive axis configured to linearly move the flexible drive shaft; the shutter panel comprises a pinion mounted on each flap coaxially with the longitudinal axis; pivoting and the flexible drive shaft comprises a rack meshing with the pinions, - at least two pinions have diameters of different dimensions. It is thus possible to adapt the pivoting of the flaps to the radius of curvature of the shutter panel. the largest pinion meshes with the center of a concave portion of the flexible drive shaft and the pinions are arranged from the largest to the smallest starting from the concave portion of the flexible drive shaft, so symmetrical, - the shutter panel comprises an actuator connected to one end of the flexible drive shaft and arranged on one side of the flap panel. This makes it possible to move the actuator out of a frontal central zone of the vehicle to prevent its damage in the event of a vehicle crash at the front. The parallel longitudinal pivot axes are intended to be arranged vertically in the motor vehicle. . The invention also relates to a motor vehicle characterized in that it comprises at least one shutter panel as described above, arranged at the rear of at least one air intake of the motor vehicle, the longitudinal axes pivoting flaps of the shutter panel being arranged vertically in the vehicle. Other characteristics and advantages of the invention will emerge more clearly on reading the following description, given by way of illustrative and nonlimiting example, and the appended drawings in which: FIG. 1 represents a schematic view of the side and in vertical section of a flap panel mounted in a motor vehicle, Figure 2 shows a schematic horizontal sectional view of elements of the motor vehicle of Figure 1, Figure 3 shows a schematic view of an exemplary embodiment. 4 shows a view similar to FIG. 2 with the shutter panel in the closed position and an actuator according to a first embodiment, the shutter panel in the open position, in horizontal section; Figure 5a shows a detail of the flap panel of Figure 4 in the open position, Figure 5b shows a view similar to Figure 5a in an intermediate open position, FIG. 6a illustrates a detail of a shutter panel, according to another exemplary embodiment, FIG. 6b illustrates a detail of a shutter panel, according to another embodiment, FIG. 6c illustrates a detail of a panel. 8 is a diagram illustrating the angle of rotation traversed by a flap as a function of the diameter of a pinion, FIG. 8 represents a schematic view in horizontal section of elements of FIG. a shutter panel in the open position, FIG. 9 shows a view similar to FIG. 2 with the shutter panel in the closed position and an actuator according to a second embodiment, FIG. 10a shows a detail of the shutter panel. flaps of Figure 9 in the open position, and Figure 10b shows a view similar to Figure 10a in an intermediate position. In these figures, substantially identical elements have the same references. The following achievements are examples. Although the description refers to one or more embodiments, this does not necessarily mean that each reference relates to the same embodiment, or that the features apply only to a single embodiment. Simple features of different embodiments may also be combined to provide other embodiments. The forward / reverse directions are designated with reference to the direction of travel of the motor vehicle and vertical / horizontal with reference to the vehicle. FIG. 1 represents an example of a motor vehicle 1.
    [0002] The motor vehicle 1 comprises one or two air intakes 2, 3, respectively called high way and low path, formed at the front of the vehicle 1, separated by a bumper beam 4 behind the grilles of the grille 5 of the vehicle 1 The air inlets 2 and 3 are mounted one above the other, on either side of the bumper beam 4.
    [0003] The motor vehicle 1 also comprises at least one panel 6 of flaps 9, arranged between the bumper beam 4 and a heat exchanger device 7. The heat exchanger device 7 comprises one or more heat exchangers, such as a condenser 7a and / or a radiator 7b.
    [0004] The shutter panel 6 may be mounted in an air guide (not shown) for channeling the air from the air inlets 2, 3 to the heat exchanger device 7. In the case where the vehicle 1 comprises two air inlets 2, 3, the vehicle 1 may comprise two panels 6 flaps 9 arranged at the rear of a respective air inlet 2, 3. The two panels 6 of flaps 9 may be independent of one another. Alternatively, the vehicle 1 comprises a single panel 6 of flaps 9 arranged at the rear of the two air inlets 2, 3, in a common channel. Better visible in Figures 2 and 3, the panel 6 of flaps 9 is composed of a plurality of flaps 9. The flaps 9 (or lamellae) extend along a longitudinal axis of pivoting A around which they are respectively mounted movable pivoting. The flaps 9 are mounted in a frame 10 of the panel 6 shutters 9 30 curve. The longitudinal axes of pivoting A are arranged side by side and extend parallel to each other so that when the panel 6 of flaps 9 is in the closed position, the flaps 9 completely obstruct the air inlets 2, 3. The alignment of the longitudinal axes of pivoting A is in a curved surface S (or curved surface), different from a plane. It may be any form surface except totally flat, such as curved or partially curved and which may be partially flat. In addition, the longitudinal axes of pivoting A extend vertically when the shutter panel 6 is mounted in the motor vehicle 1 10 (Figure 1). It is thus possible to obtain a panel 6 of shutters 9 whose shape can follow the shape of the elements located in front of the shutter panel 6, such as the bumper beam 4, the grille 5 or other reinforcing elements of the vehicle 1. panel 6 shutters 9 thus for example a curved curvature 15 projecting towards the front of the vehicle 1 (Figure 2). The flaps 9 are then arranged concentrically in the open position. The shutter panel 6 can thus be brought closer to the air inlets 2, 3 of the vehicle 1, which increases the space available under the hood.
    [0005] The distance between the shutter panel 6 and the heat exchanger device 7 can be increased, making it possible to obtain a less turbulent and therefore more laminar, faster and more efficient flow of air for cooling the heat exchangers. Also, the increase of the under-hood space leaves room for arranging other components of the vehicle 1 between the heat exchanger device 7 and the shutter panel 6, such as in particular a detection radar 8 or car horn. In addition, the length of the vertically arranged shutters 9 is reduced compared to the horizontally arranged panels of the prior art panels and their number is increased by the order of 15 to 20%. Thus, the flaps 9 have a better flexural strength and the shutter panel 6 has a better resistance in the closed position, in particular at the air or water pressure (for example at a fording passage). . The longitudinal axis of pivoting A may be a central axis of the flap 9, such as a longitudinal axis of symmetry of the flap 9 if the flaps 9 have a symmetrical profile or may be an end axis of the flap 9. longitudinal axis of pivoting A is embodied by two pivots 19 of the panel 6 of flaps 9 mounted at the two longitudinal ends of each flap 9, themselves mounted in bearings of the frame 10. The flaps 9 are for example all identical. The panel 6 of flaps 9 further comprises at least one flexible drive shaft 11 connected to the flaps 9 to drive the flaps 9 pivotally. The flexible drive shaft 11 is flexible, this allows it to follow the curved surface S in which the alignment of the longitudinal axes of pivoting A. is inscribed. The flexible drive shaft 11 extends perpendicularly to the longitudinal axes of pivoting A flaps 9. The flap panel 6 also comprises an actuator 13 connected to the flexible drive shaft 11 for driving the flaps 9 pivoting about their longitudinal pivot axis A. L flexible drive shaft 11 is connected to the flaps 9 on one side of the flap 9, that is to say away from the longitudinal axis of pivoting A, for example on the same side of the axis The actuator 13 is for example connected to one end of the flexible drive shaft 11. It can thus be arranged on one side of the panel 6 of flaps 9. This allows for to deport the actuator 13 outside a frontal central area of the vehicle 1 to avoid its damage in the event of a vehicle crash 1 at the front. According to a first embodiment shown in Figures 4, 5a and 5b, 8, the actuator 13 is rotatable. It is configured to drive the flexible drive shaft 11 in rotation about its axis. For this, according to an exemplary embodiment visible in Figures 5a and 5b, the flap panel 6 comprises a pinion 14 mounted on each flap 9 coaxially with the longitudinal axis of pivoting A.
    [0006] As can be seen that the examples illustrated in Figures 6a, 6b and 6c, the pinion 14 can be arranged at one end of the upper flap 9 (Figure 6a) or lower (Figure 6c), on one of the two pivots 19 associated 9. In another example, the pinion 14 is arranged between the two ends of the flap 9, for example in the middle (Figure 6b), the flap 9 then being split into two upper and lower parts, integral in rotation. The flexible drive shaft 11 comprises at least one worm 15 meshing with the pinions 14 with helical teeth. The flexible drive shaft 11 is for example made of plastic and obtained by molding. In operation, and with reference to FIGS. 4, 5a and 5b, the driving of the flexible axis 11 in rotation by the rotary actuator 13 along the arrow F 1 causes the gears 14 to rotate, which causes the flaps to pivot. 9 in the same direction from an open position (Figure 5a) to an intermediate opening position (Figure 5b). According to an exemplary embodiment, it is provided that the flaps 9 pivot in opposite directions on either side of a concave portion of the panel 6 of flaps 9, such as in the center of the curved surface S. For this, the flexible drive shaft 11 comprises at least two worm 15a, 15b. The teeth of the first and second worm 15a, 15b are helical, adjacent and in opposite directions from the center of the flexible drive shaft 11. The gears 14a, 14b meshing with the first worm 15a have a helical direction opposite to the pinions 14a, 14b, 14c meshing with the second worm 15b. In FIG. 8, the pinions 14a, 14b meshing with the first worm 15a turned to the left turn counterclockwise and the gears 14a, 14b, 14c meshing with the second screw without the end 15b clockwise. A same direction of rotation of the flexible drive shaft 11 having a double helix direction rotates the flaps 9 at the same time in opposite directions of rotation on either side of the concave portion of the axis training 11.
    [0007] Alternatively, two actuators 13 and two flexible drive axles 11 with independent worm and rotating in the opposite direction are provided for having opposite pivoting directions of the flaps 9. According to an exemplary embodiment, at least two gears 14a, 14b, 14c have diameters of different sizes. It is thus possible to adapt the pivoting of the flaps 9 to the radius of curvature of the shutter panel 6. The larger the diameter of the pinion, the smaller the angle of rotation traversed by the shutter 9, as illustrated in FIG. FIG. 7 where, for the same linear displacement X generated by the rotation of the flexible drive shaft 11, the angle of rotation a1 traveled by the small diameter pinion 14a is greater than the angle of rotation G (FIG. 2 traversed by the pinion 14b of larger diameter Thus the pinions 14a of smaller diameters mesh on either side of the center of the flexible drive shaft 11, further from the center than the pinions 14b of larger diameters. In the case of a panel 6 of shutters 9 having a curved curvature 20, the largest pinion 14c meshes with the center of the flexible drive shaft 11. The other pinions 14a, 14b are arranged from the largest 14b at the most. small 14a starting from the concave portion towards the ends, so sy metric relative to the concave portion (Figure 8). Thus, the angle of rotation of the flaps 9 is modulated according to the diameters of the gears 14a, 14b and 14c. The inclination of the flaps 9 can thus be controlled between a closed position in which the flaps 9 register substantially in the curved surface S and block the passage of air and several intermediate positions to an open position in wherein the flaps 9 are substantially perpendicular to the curved surface S and where a maximum air flow can flow between the flaps 9. Figures 9, 10a and 10b illustrate a second embodiment. This embodiment differs from the previous one in that the actuator 17 is configured to linearly move the flexible drive shaft 12, 5 in its axial direction. For this, according to an exemplary embodiment visible in Figures 7a and 7b, the panel 6 flaps 9 comprises a pinion 18 mounted on each flap 9 coaxially with the longitudinal axis of pivoting A. The pinion 18 has a straight toothing.
    [0008] The flexible drive shaft 12 comprises a rack 16 (or toothed belt) meshing with the pinions 18. It is for example made of plastic and obtained by molding. In operation, the drive of the flexible shaft 12 by the linear actuator 17 along the arrow F2, causes the rotation of the pinions 18, causing the flaps 9 to pivot in the same direction of an open position (FIG. 10a) to an intermediate opening position (Figure 10b). It is also possible to provide two actuators 17 and two independent flexible drive shafts 12 actuated in opposite directions to have opposite pivoting directions for the flaps 9.
    权利要求:
    Claims (13)
    [0001]
    REVENDICATIONS1. Panel (6) for flaps (9) for air intake (2, 3) of a motor vehicle (1) comprising a plurality of flaps (9) mounted pivotally movable about a respective longitudinal axis of pivoting (A), the longitudinal axes of pivoting (A) extending parallel to each other and being arranged next to one another, characterized in that the alignment of the longitudinal axes of pivoting (A) is in a curved surface (S) .
    [0002]
    2. Panel (6) of flaps (9) according to the preceding claim, characterized in that the curved surface (S) has a curved curvature.
    [0003]
    3. Panel (6) of flaps (9) according to one of the preceding claims, characterized in that it comprises at least one flexible drive shaft (11; 12) connected to the flaps (9) extending perpendicular to the longitudinal axes of pivoting (A) flaps (9).
    [0004]
    4. Panel (6) of flaps (9) according to the preceding claim, characterized in that it comprises a rotary actuator (13) connected to the flexible drive shaft (11), configured to drive the flexible axis d driving (11) in rotation.
    [0005]
    5. Panel (6) of flaps (9) according to the preceding claim, characterized in that it comprises a pinion (14; 14a, 14b, 14c) mounted on each flap (9) coaxially with the longitudinal axis of pivoting ( A), the flexible drive shaft (11) comprising at least one worm (15; 15a, 15b) meshing with the pinions (14; 14a, 14b, 14c).
    [0006]
    6. panel (6) of flaps (9) according to the preceding claim, characterized in that the flexible drive shaft (11) comprises at least two adjacent worms (15a, 15b), in opposite directions, meshing with the gears (14a, 14b, 14c) having opposite helical helices.
    [0007]
    7. Panel (6) of flaps (9) according to claim 3, characterized in that it comprises at least one linear actuator (17) connected to the flexible drive shaft (12), configured to linearly move the flexible drive shaft (12). 3036662 -13-
    [0008]
    8. Panel (6) of flaps (9) according to the preceding claim, characterized in that it comprises a pinion (18) mounted on each flap (9) coaxially with the longitudinal axis of pivoting (A), the axis flexible drive (12) comprising a rack (16) meshing with the pinions (18). 5
    [0009]
    9. panel (6) of flaps (9) according to one of claims 5, 6 or 8, characterized in that at least two pinions (14a, 14b, 14c) have diameters of different dimensions.
    [0010]
    10. panel (6) of flaps (9) according to the preceding claim, characterized in that the largest pinion (14c) meshes in the center of a concave portion 10 of the flexible drive shaft (11), the pinions (14a, 14b, 14c) being arranged from the largest (14c) to the smallest (14a) starting from the concave portion of the flexible drive shaft (11) symmetrically.
    [0011]
    11. panel (6) of flaps (9) according to one of claims 4 to 10, characterized in that it comprises an actuator (13; 17) connected to one end of the flexible axis 15 drive (11). ;
    [0012]
    12), the actuator (13; 17) being arranged on one side of the panel (6) of flaps (9). 12. panel (6) of flaps (9) according to one of the preceding claims, characterized in that the longitudinal axes of pivoting (A) parallel are intended to be arranged vertically in the motor vehicle (1). 20
    [0013]
    13.A motor vehicle (1) characterized in that it comprises at least one panel (6) of flaps (9) according to one of the preceding claims, arranged at the rear of at least one air inlet (2). , 3) of the motor vehicle (1), the longitudinal axes of pivoting (A) of the flaps (9) of the panel (6) flaps (9) being arranged vertically in the vehicle (1). 25
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    同族专利:
    公开号 | 公开日
    CN107667029B|2021-04-13|
    EP3303037B1|2020-09-02|
    FR3036662B1|2018-12-07|
    CN107667029A|2018-02-06|
    US20180126841A1|2018-05-10|
    WO2016192984A1|2016-12-08|
    US10532652B2|2020-01-14|
    EP3303037A1|2018-04-11|
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    法律状态:
    2016-05-27| PLFP| Fee payment|Year of fee payment: 2 |
    2016-12-02| PLSC| Publication of the preliminary search report|Effective date: 20161202 |
    2017-05-30| PLFP| Fee payment|Year of fee payment: 3 |
    2018-05-28| PLFP| Fee payment|Year of fee payment: 4 |
    2019-05-31| PLFP| Fee payment|Year of fee payment: 5 |
    2020-05-30| PLFP| Fee payment|Year of fee payment: 6 |
    2021-05-31| PLFP| Fee payment|Year of fee payment: 7 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1554893A|FR3036662B1|2015-05-29|2015-05-29|PANEL OF SHUTTERS AND MOTOR VEHICLE|
    FR1554893|2015-05-29|FR1554893A| FR3036662B1|2015-05-29|2015-05-29|PANEL OF SHUTTERS AND MOTOR VEHICLE|
    US15/575,861| US10532652B2|2015-05-29|2016-05-17|Flap panel and motor vehicle|
    EP16723118.2A| EP3303037B1|2015-05-29|2016-05-17|Flap panel and motor vehicle|
    CN201680031044.8A| CN107667029B|2015-05-29|2016-05-17|Baffle panel and motor vehicle|
    PCT/EP2016/061045| WO2016192984A1|2015-05-29|2016-05-17|Flap panel and motor vehicle|
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