• 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:
    An improved aerodynamic hubcap for a vehicle wheel. The hubcap has a central portion (22), a peripheral edge (21) and a radial stick type web (24) defining radial cutouts (25). In each of the radial openings (25) of the hubcap, there are provided two aerodynamic blades (26, 27), which extend radially between the central portion (22) and the peripheral edge (21) of the hubcap and which have a section "airfoil" profile, namely a first aerodynamic blade (26) oriented to suck the air during the rotation of the wheel in the direction ("R") of the clockwise and a second aerodynamic blade (27) facing away from said first aerodynamic blade for sucking air as the wheel rotates counterclockwise.
    公开号:FR3041897A1
    申请号:FR1559423
    申请日:2015-10-05
    公开日:2017-04-07
    发明作者:Eric Palpacuer
    申请人:Peugeot Citroen Automobiles SA；
    IPC主号:
    专利说明:

    IMPROVED AERODYNAMIC TRIM FOR VEHICLE WHEEL.
    The invention relates to an improved aerodynamic hubcap for a vehicle wheel, in particular for a motor vehicle wheel. It also relates to a vehicle, in particular a motor vehicle, whose wheels are equipped with such advanced aerodynamic hubcaps.
    The hubcap wheel, also called wheel cap, is a piece of metal material or plastic, for example polyamide, which is placed on the outside of the central portion of a wheel of a vehicle to decorate: the hubcap allows "to dress" the vehicle's sheet metal wheels designed as structural and devoid of style.
    The hubcaps known as "standard hubcaps" do not have optimal aerodynamic characteristics, but essentially style characteristics. They present a relatively important ajourage and impact the aerodynamics of the vehicle.
    Known hubcaps called "aerodynamic", which reduce the aerodynamic drag of the vehicle. They have, unlike previous hubcaps, a minimal opening which has a negative impact on the cooling of the brakes.
    According to the document EP 0 301 553 B1, a wheel for a motor vehicle is known, which comprises a rim, a wheel disk connected to the rim, air outlet openings provided in the wheel disk, concentric with the rim, distributed on the surface in the area close to the rim and ensuring a stream of air directed from the inner side of the wheel to the outer side of the wheel, the air inlet openings disposed in the wheel disc, concentric with the rim, distributed on the surface, radially closer to the axis than the air outlet openings and ensuring a flow of air directed from the outer side of the wheel to the inner side of the wheel wheel, and a fin ring associated respectively with the air inlet openings and the air outlet openings. At least portions of the fins of the two fin rings have positions inclined relative to the wheel axis and the inclined positions of the fins of the two fin rings are directed in the opposite direction. In addition, there is provided an annular air intake channel receiving the fin ring associated with the air inlet openings, and an annular air outlet channel receiving the fin ring associated with the openings of air outlet.
    It is also known, according to document FR 3 011 769 A1, an improved aerodynamic hubcap for a motor vehicle wheel, the wheel being of the type having a cylindrical rim and a web comprising radial perforations formed by radially arranged spokes between the central hub and the peripheral edge of the rim. This hubcap has radial openings formed by hub caps radially arranged between the central part of the hubcap and the peripheral edge thereof, so that the hubcap blades deflect the lateral airflow indirectly. and channels it through the radial openings of the veil of the wheel.
    The object of the present invention is to provide an improved aerodynamic hubcap for a vehicle wheel, in particular for a motor vehicle wheel, which makes it possible to optimize both the aerodynamic drag of the vehicle and the cooling of the brakes.
    Another object of the present invention is to provide such an aerodynamic hubcap, which provides a gain in C02.
    Another object of the present invention is to provide such an aerodynamic hubcap, which is economical, because it is identical for a right wheel and for a left wheel of the vehicle and because it is of a cost substantially. equal to that of a standard hubcap.
    It is also an object of the present invention to provide such an improved aerodynamic hubcap, which is simple in structure and easy assembly.
    To achieve these goals, the present invention relates to an improved aerodynamic hubcap for vehicle wheel, in particular for a motor vehicle wheel. The wheel has a cylindrical rim, a hub and spoke-type structure that connects the hub to the rim and defines radial openwork. The aerodynamic hubcap has a central portion, a peripheral edge and a radial stick type web, which connects the central portion to the peripheral edge and which also defines radial cut-outs. The improved aerodynamic hubcap according to the invention, new, comprises, in each of its radial openings, two aerodynamic blades, which extend radially between the central portion and the peripheral edge of the hubcap and which have a section with a profile. "Aircraft wing", namely a first aerodynamic blade oriented to suck the air during the rotation of the wheel in the direction of clockwise and a second aerodynamic blade oriented opposite to said first aerodynamic blade for vacuum the air when rotating the wheel counterclockwise.
    According to a preferred embodiment of the invention, the orientation of the aerodynamic blades may be of angle between 2 ° and 20 ° relative to the main plane of the hubcap, preferably this orientation of the blades may be angle between 3 ° and 13 °.
    According to a preferred embodiment of the invention also, the veil of the hubcap may be five radial sticks, and therefore the number of radial openings of the hubcap according to the invention may be equal to five.
    Advantageously, the radial openings of the hubcap may have baffle edges, substantially inclined inwardly of said radial openings, so as to concentrate the air flow in the radial openings of the wheel structure.
    The profile in "wing plane" of the section of the hubcap blades may be a profile selected from the following types of profile "wing aircraft", known per se: profile type "CLARK Y" , "JOUKOWSKI" type profile, symmetrical or arched "NACA" type profile.
    Preferably, the hub cap according to the invention may be made of a polymer material, of polyamide type for example, by an injection molding process.
    The invention also relates to a vehicle wheel, in particular a motor vehicle wheel, which comprises an improved aerodynamic hub conforming to that described above in outline.
    The invention finally relates to a vehicle, in particular a motor vehicle, whose wheels are in accordance with the wheel described above in outline, that is to say each having an improved aerodynamic hubcap according to the present invention.
    Other objects, advantages and features of the invention will appear in the following description of an exemplary embodiment, not limiting the object and scope of the present patent application, accompanied by drawings in which FIG. 1 is a truncated perspective view of a motor vehicle wheel equipped with an improved aerodynamic trim according to the present invention, FIG. 2 is a partial perspective view, of a pair of aerodynamic blades of the improved aerodynamic hubcap of FIG. 1, FIG. 3 is a representative sketch of the "wing-wing" shaped cross-section of a blade. of the improved aerodynamic hubcap of the preceding figures, and [0023] - Figure 4 is a diagram illustrating the cross-section of "aircraft wing" shaped hubcap blade of Figure 3, in which are shown very schematically areas of overpressure and depression when the hubcap is rotating with its corresponding wheel.
    With reference to the drawing of Figure 1, there is shown a portion of a right wheel of a motor vehicle, axis XX ', which is, in a conventional manner, consisting mainly of three parts: [0025] - the hub, not shown, arranged in the center of the wheel, which ensures the rotation of the latter relative to the vehicle frame, [0026] the rim, designated by the reference 11, which is located at the periphery and on which the attached tread is fixed, and [0027] - the structure, not shown, which is composed of spokes, which connect the hub to the rim 11 and which define radial openings, substantially in circular sectors.
    On the wheel, there is provided an improved aerodynamic hubcap, also called "hubcap turbine" in the present text, the structure described in detail below allows air circulation through the vehicle wheel, to improve the lateral wake of the wheel and thus obtain a cleaner and less swirling flow on the sidewalls of the vehicle.
    Conventionally, the improved aerodynamic hub has a central portion, designated by the reference 22, a peripheral edge, designated by the reference numeral 21 and a radial stick type of sail collectively designated by the reference 24. These sticks Radials 24 connect the central portion 22 to the peripheral edge 21 of the hubcap and define radial perforations, collectively designated by the reference 25, which substantially can correspond to the radial openings of the wheel structure.
    By way of non-limiting example of the object and the scope of the present invention, the turbine trim has a sail five radial rods 24 angularly equidistant, therefore five identical radial perforations 25.
    According to the very principle of the present invention, the improved aerodynamic hub comprises, in each of its radial openings 25, two aerodynamic blades, respectively designated 26 and 27, which extend radially between the central portion 22 and the edge 21 of the hubcap and which have a profile section "aircraft wing", namely an aerodynamic blade 26 oriented to suck the air (arrow direction "F" of Figure 1) during the rotation of the wheel clockwise (arrow direction "R" of Figure 1) and an aerodynamic blade 27 oriented to suck the air (direction of the arrow "F" also) during the rotation of the wheel counterclockwise.
    Also referring to the drawing of Figure 2, so that the aerodynamic blade 27 sucks the air during a reverse rotation of the wheel relative to the direction of rotation of the wheel which allows a suction of air by the aerodynamic blade 26, it is necessary that the sections "aircraft profile" of the two blades 26 and 27 are inversely oriented relative to the main plane "P" of the hubcap, that is to say the plane orthogonal to the axis XX 'of the wheel and the hubcap mounted on the latter.
    The orientation of the aerodynamic blades 26 and 27 is an angle "a", whose value may be between 2 ° and 20 ° angle, preferably between 3 ° and 13 ° angle, compared to the main plane "P" of the hubcap.
    It is important to note that the hubcap of Figures 1 and 2 mounted on a right wheel can be mounted without any modification on a left wheel. In this case, it is the aerodynamic blades 27, and not the blades 26, which are oriented to suck the air during the rotation of the wheel in the direction of clockwise. The hubcap according to the present invention is, therefore, a standard hubcap for right wheel and left wheel of the vehicle.
    As shown in the drawing of Figure 1 mainly, the radial perforations 25 have radial edges 25A and 25B peripheral edges which form deflectors, substantially inclined inwardly of said radial openwork 25, so as to concentrate the flow of fluid. air in the radial openings of the wheel structure.
    Preferably, the "airfoil" profile of the aerodynamic blades 26 and 27 is a profile of the "CLARK Y" type, of relatively simple shape, very effective on a small scale, which is very schematically represented in FIG. Figure 3. The profile "CLARK Y" is a particular aerodynamic profile, very widely used in aeronautical construction and model making.
    In the profile in "aircraft wing" of Figure 3 representative of the section of an aerodynamic blade 26 or 27, the reference "E" designates the extrados and "I" the intrados, "C" the rope, "e" the thickness of the profile, BA the leading edge and BF the trailing edge. The reference "f" designates the arrow of the profile, all the more important that the profile in "wing of plane" is more a profile cambered.
    Alternatively, the profile in "aircraft wing" aerodynamic blades 26 and 27 may be a profile type "JOUKOWSKI", or a profile type "NACA", symmetrical or arched.
    Referring to the drawing of Figure 4, there is shown a section of the profile in "CLARK Y" of an aerodynamic blade of the hubcap turbine, for example a blade 26, and a flow of air "v" around the blade. The lines "c" illustrate the laminar layers. The zone designated "D" is a zone of depression, while the zone designated "S" is a zone of overpressure. The overpressure related to the aerodynamic blade blows the air in the opening of the wheel, the air is channeled by the surfaces forming the baffle 25A and 25B of the hubcap shown in Figure 1.
    The improved aerodynamic trim or turbine trim described above in a particular embodiment has many advantages, among which the following advantages: it optimizes the aerodynamic drag of the vehicle, [0042] it allows a gain in CO2 estimated at 0.5 g / Km, it allows a cooling of the brake optimized by the air flow generated, it is economical, because its cost price is substantially identical to that of a standard hubcap, the cost of its manufacturing tool being substantially the same as the cost of tooling a standard hubcap, and [0045] - it is also economical because it is identical for a right wheel and a left wheel of the vehicle.
    权利要求:
    Claims (10)
    [1" id="c-fr-0001]
    Claims:
    An improved aerodynamic hub for a vehicle wheel, in particular for a motor vehicle wheel, said wheel having a cylindrical rim (11), a hub and a spoke-type structure connecting the hub to the rim (11) and defining perforations radial members and said improved aerodynamic hubcap having a central portion (22), a peripheral edge (21) and a radial stick-like web (24) connecting the central portion (22) to the peripheral edge (21) and defining radial cut-outs ( 25), said improved aerodynamic hubcap being characterized in that it comprises, in each of its radial openings (25), two aerodynamic blades (26, 27), which extend radially between the central portion (22) and the edge peripheral (21) of the hubcap and which have a section section "airfoil", namely a first aerodynamic blade (26) oriented to suck the air during the rotation of the a clockwise wheel and a second aerodynamic blade (27) facing away from said first aerodynamic blade for sucking air as the wheel rotates counterclockwise.
    [2" id="c-fr-0002]
    2. Advanced aerodynamic trim according to claim 1, characterized in that the orientation of the aerodynamic blades (26, 27) is of angle ("a") between 2 ° and 20 ° relative to the main plane ("P"). >>) of the splash guard.
    [3" id="c-fr-0003]
    3. Improved aerodynamic trim according to claim 2, characterized in that said orientation of the aerodynamic blades (26, 27) is of angle ("a") between 3 ° and 13 °.
    [4" id="c-fr-0004]
    4. Advanced aerodynamic trim according to any one of claims 1 to 3, characterized in that the number of radial openings (25) is equal to five.
    [5" id="c-fr-0005]
    5. An improved aerodynamic trim according to any one of claims 1 to 4, characterized in that the radial perforations (25) have edges (25A, 25B) forming deflectors, substantially inclined inwardly of said radial apertures (25), in order to concentrate the air flow in the radial openings of the wheel structure.
    [6" id="c-fr-0006]
    An improved aerodynamic trim according to one of claims 1 to 5, characterized in that the "wing" profile of the hub section (25) is a profile selected from the profile types " in the following "aircraft wing", known per se: "CLARK Y" type profile, "JOUKOWSKI" type profile, symmetrical or arched "NACA" type profile.
    [7" id="c-fr-0007]
    7. Advanced aerodynamic trim according to any one of claims 1 to 6, characterized in that it is made of a polymeric material, of polyamide type for example.
    [8" id="c-fr-0008]
    8. Advanced aerodynamic trim according to claim 7, characterized in that it is obtained by an injection molding process.
    [9" id="c-fr-0009]
    9. Vehicle wheel, characterized in that it comprises an improved aerodynamic trim according to any one of the preceding claims.
    [10" id="c-fr-0010]
    Vehicle, in particular a motor vehicle, characterized in that each of its wheels is in accordance with claim 9.
    类似技术:
    公开号 | 公开日 | 专利标题
    EP3055140B1|2020-10-28|Improved aerodynamic wheel trim for vehicle wheel
    EP3153328B1|2019-06-19|Turbine insert for a vehicle wheel
    EP3153327B1|2018-04-18|Improved aerodynamic cover for a vehicle wheel
    EP3414110B1|2020-03-25|Filtering aerodynamic hubcap for vehicle wheel
    KR20150103742A|2015-09-11|Rim, airless tire and hubcap designs configured to directionally convey air and methods for their use
    EP3144555B1|2017-11-01|Method for ventilating brake discs of an aircraft wheel
    WO2017103359A1|2017-06-22|Aerodynamic wheel of a vehicle
    FR2976852A1|2012-12-28|PNEUMATIC WITH SOUND CHANNELS
    EP2662227A1|2013-11-13|Tyre and wheel for a cycle
    FR3043942A1|2017-05-26|IMPROVED TURBINE-EFFECTIVE TRIM FOR VEHICLE WHEEL
    EP3271588B1|2021-03-03|Aerodynamically and acoustically improved car fan
    FR3043944A1|2017-05-26|AERODYNAMIC TRIM FOR A WHEEL OF A VEHICLE
    EP3380338B1|2020-01-29|Improved hubcap with turbine effect for vehicle wheel
    FR3043943A1|2017-05-26|IMPROVED TURBINE TRIM FOR VEHICLE WHEEL
    JP6214405B2|2017-10-18|Vehicle wheel
    WO2017089665A1|2017-06-01|Aerodynamic wheel cover with vanes having a selected curvature, orientation and transverse position
    EP3758952B1|2022-01-12|Active wheel hub cap
    EP3768523B1|2022-01-12|Structural wheel of a vehicle having an aerodynamic effect, and vehicle comprising such a wheel
    EP2447089A1|2012-05-02|Tyre and wheel for a cycle
    EP3067568B1|2020-05-27|Reaction-type ventilation turbine
    FR2992585A1|2014-01-03|Method for manufacturing set of wheels of vehicle, involves linear profile by extrusion of sector, and adapting form of sector to form openings of veil during extrusion step, where linear profile realizes veil of wheel set
    FR3093672A1|2020-09-18|DUAL THICKNESS VEHICLE WHEEL TRIM
    FR3078921A1|2019-09-20|AERODYNAMIC BLADE FOR VEHICLE WHEEL CASTING
    FR2992584A1|2014-01-03|Method for manufacturing set of wheels for vehicle, involves forming linear profile for realizing wheels by using die in single extrusion step, where shape of die is adapted to form openings of sail of wheels during extrusion step
    同族专利:
    公开号 | 公开日
    EP3153327A1|2017-04-12|
    EP3153327B1|2018-04-18|
    FR3041897B1|2017-12-08|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    EP0301553A1|1987-07-28|1989-02-01|Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3|Wheel for motor vehicles, in particular for passenger cars|
    EP2351654A1|2008-11-28|2011-08-03|Sumitomo Rubber Industries, Ltd.|Wheel rim for tire|
    DE102013222044A1|2013-10-30|2015-04-30|Bayerische Motoren Werke Aktiengesellschaft|wheel cover|WO2019166715A1|2018-02-28|2019-09-06|Psa Automobiles Sa|Active wheel hub cap|
    IT201800010194A1|2018-11-09|2020-05-09|Ferrari Spa|RIM FOR A VEHICLE|FR3011769B1|2013-10-10|2017-01-13|Peugeot Citroen Automobiles Sa|AERODYNAMIC ENHANCER PERFECTED FOR VEHICLE WHEEL|DE102018208748A1|2018-06-04|2019-12-05|Audi Ag|Panel for a rim of a wheel of a vehicle, in particular a motor vehicle, arrangement of such a panel on a rim for a wheel of a vehicle and vehicle|
    法律状态:
    2016-09-21| PLFP| Fee payment|Year of fee payment: 2 |
    2017-04-07| PLSC| Publication of the preliminary search report|Effective date: 20170407 |
    2017-09-21| PLFP| Fee payment|Year of fee payment: 3 |
    2018-06-29| CA| Change of address|Effective date: 20180312 |
    2018-06-29| CD| Change of name or company name|Owner name: PEUGEOT CITROEN AUTOMOBILES SA, FR Effective date: 20180312 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1559423A|FR3041897B1|2015-10-05|2015-10-05|AERODYNAMIC ENHANCER PERFECTED FOR VEHICLE WHEEL|FR1559423A| FR3041897B1|2015-10-05|2015-10-05|AERODYNAMIC ENHANCER PERFECTED FOR VEHICLE WHEEL|
    EP16187163.7A| EP3153327B1|2015-10-05|2016-09-05|Improved aerodynamic cover for a vehicle wheel|
    [返回顶部]