• 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 roller assembly having an axis of rotation and comprising a tire having two beads, a rim, said adapter ensuring the junction between one of the beads and the rim, said rim having two rim seats, said adapter having a axially inner end for mounting on the rim seat and comprising an inner reinforcing member, an axially outer end comprising an outer reinforcing member, a body connecting said outer end with said inner end so as to form a unitary piece and comprising at least one main reinforcing armature providing the connection between said outer reinforcement and said inner reinforcement, a substantially cylindrical adapter seat for receiving one of said beads, said seat being located at the axially outer end of said body, a adapter support face substantially included in a plane perpendicular to the axis of rotation, said bearing face being located on the axially inner face of the axially outer end. The assembly is characterized in that the reinforcing element of the axially outer end is entirely situated axially outside the bearing face, in that the body comprises, opposite the adapter seat, a reinforcement seat ring, and in that the rim is made of a material chosen from aluminum and / or magnesium alloys, composite materials based on carbon fibers, glass fibers, aramid fibers, vegetable fibers, said fibers being included in a matrix based on thermosetting compounds or thermoplastic compounds, or in a complex compound comprising an elastomer and a complex based on resin and fibers selected from carbon fibers, glass fibers, aramid fibers, plant fibers or any combination of materials.
    公开号:FR3020313A1
    申请号:FR1453853
    申请日:2014-04-29
    公开日:2015-10-30
    发明作者:Bertrand Daval
    申请人:Michelin Recherche et Technique SA Switzerland ；Compagnie Generale des Etablissements Michelin SCA；Michelin Recherche et Technique SA France；
    IPC主号:
    专利说明:

    [0001] [0001] The invention relates to a rolling assembly formed mainly of a tire and a rim. The following are the definitions used in the present invention: - "axial direction": direction parallel to the axis of rotation of the tire, - "radial direction": direction intersecting the axis of rotation of the tire and perpendicular to it, - "circumferential direction": direction perpendicular to a radius and lying in a plane perpendicular to the axis of rotation of the tire, - "radial section": section along a plane which contains the axis of rotation of the tire - "equatorial plane": plane perpendicular to the axis of rotation and which passes through the middle of the tread [0003] In order to reduce the carbon dioxide emissions of motor vehicles, manufacturers want to reduce the mass of these vehicles but also the rolling resistance of their tires. The reduction of this rolling resistance can be achieved by increasing the outer diameter of the tires and therefore that of the wheels. But this causes an increase in the mass of the wheel and therefore that of the vehicle. Also a known solution is to use lighter materials than steel to form the rim, such as aluminum alloys. But such rims, if they are lighter and have a more airy visual appearance facilitating the release of heat from the brakes, are not sufficiently resistant to shocks, such as potholes and / or sidewalks. P10-3304 Indeed, shocks caused on such rolling elements can cause the rupture of one or more components of the rolling element (tire and / or rim). Also there remains the need to have a lighter rolling assembly that rolling assemblies whose rim is steel, and which has a better impact resistance due to better protection of the tire, while maintaining a high level of tire handling performance, in particular its ability to develop significant drift. The invention therefore relates to a roller assembly having an axis of rotation and comprising a tire having two beads, a rim, said adapter ensuring the junction between one of the beads and the rim, said rim having two seats of rim, said adapter having: - an axially inner end to be mounted on the rim seat and comprising an inner reinforcing member, - an axially outer end comprising an outer reinforcing member, - a body connecting said outer end with said inner end so as to form a unitary piece and comprising at least one main reinforcing armature ensuring the connection between said outer reinforcement and said inner reinforcement, - a substantially cylindrical adapter seat intended to receive one of said beads, said seat being located at the axially outer end of said body, - an adaptive support face r substantially in a plane perpendicular to the axis of rotation, said bearing face being located on the axially inner face of the axially outer end, [0009] The adapter is characterized in that the reinforcing element of the axially outer end is entirely situated axially outside the bearing face, in that the body comprises, opposite the adapter seat, an annular seat reinforcement, and in that the rim is constituted by a material chosen from aluminum and / or magnesium alloys, composite materials based on carbon fibers, glass fibers, aramid fibers, plant fibers, said fibers being included in a matrix based on compounds thermosetting or thermoplastic compounds, or a complex compound comprising an elastomer and a complex based on resin and fibers selected from carbon fibers, glass fibers, aramid fibers, plant fibers or from any combination of materials. The annular seat reinforcement and the reinforcing element of the axially outer end are distinct from each other. The assembly of the invention has the advantage of being simple constitution and assembly. The adapter of the assembly according to the invention also makes it possible, by increasing the clamping under the beads of the tire, to prevent its rotation on the adapter in strong lateral stress. Finally, the adapter of the assembly according to the invention has the advantage of significantly reducing the level of mechanical forces to the chassis during a shock, and thus to reduce the weight of the vehicle. [0013] Preferably, the fiber-based composite materials comprise fibers having a length greater than or equal to 5 mm. The matrix based on thermosetting compounds is chosen from epoxy resins, vinyl ester, unsaturated polyesters, cyanate ester, bismaleimide, acrylic resins, phenolic resins, polyurethanes and combinations thereof. The matrix based on thermoplastic compounds is chosen from polypropylene (PP), polyethylene (PE), polyamides (PA), semiaromatic polyamides, polyester (PET), polybutylene terephthalate (PBT), polyetheretherketone (PEEK), polyetherketoneketone (PEKK), polyethersulfone (PSU), polyetherimide (PET), polyimide (PI), polyamideimide (PAT), polyphenylenesulfide (PPS), polyoxymethylene (POM), phenylene (PPO). Preferably, the reinforcing element of the axially outer end is disposed radially outside the bearing face. The body preferably comprises facing the adapter seat an annular seat reinforcement. Preferably, the annular seat reinforcement has a compression modulus greater than or equal to 1GPa, preferably greater than 4GPa, and more preferably greater than 10GPa. The annular reinforcement may consist of a core surrounded by an elastomer, or a succession of layers of elastomeric compounds and metal and / or textile reinforcements arranged in any possible combination. The core may comprise at least one element selected from a metal, a composite material, a thermoplastic compound and their mixture. The composite material could be made from glass fibers embedded in a resin matrix. Among the elastomers that can be used in the complex compound and in the annular seat reinforcement, the cross-linkable rubbers are firstly listed by vulcanization chemical reactions by sulfur bridges, by carbon-carbon bonds created by the action of peroxides or ionizing radiation, by other chains of atoms specific to the molecule of the elastomer, secondly, the thermoplastic elastomers (TPE) where the elastically deformable part form a network between "hard" regions Which are not deformable, the cohesion of which is the result of physical bonds (crystallites or amorphous regions above their glass transition temperature), then the non-thermoplastic elastomers and finally the thermosetting resins. The annular seat reinforcement may consist of at least two layers of different constituents arranged successively and alternately. By alternating arrangement, it defines a successive arrangement of a first and a second layer, several times. The annular seat reinforcement may have a total axial length greater than or equal to 30% of the width of the bead of the tire, and less than 150% of the same width, and more preferably between 40 and 110% of the width. tire bead. The annular seat reinforcement may have an average radial thickness greater than or equal to 0.3 mm and less than or equal to 20 mm depending on the size and use of the tire. Thus, for a passenger tire, the thickness is preferably between 0.5 and 10 mm. The annular seat reinforcement preferably comprises at least one element selected from a metal, a composite material, a thermoplastic compound, and mixtures thereof. This core or multilayer is preferably between two layers of a matrix comprising optionally an elastomer as mentioned above, a resin or mixtures thereof. The annular seat reinforcement preferably consists of a stack of different layers of elastomeric compounds of identical or different chemical nature. When in the form of a stack of layers, the reinforcement preferably has an axial length greater than 5mm and less than 25mm, and a radial thickness greater than or equal to 0.1mm and less than or equal to 4mm. Each unit element constituting the stack of the reinforcement may have an axial width greater than 1 mm and less than 25 mm, and a radial thickness, identical or different, greater than or equal to 0.1 mm and less than or equal to 2 mm. The annular seat reinforcement may also be in the form of a stack of single son between a layer of a matrix optionally comprising an elastomer, a thermoplastic compound, a resin or mixtures thereof. The unitary yarns can be conventionally used yarns, such as textiles (polyester, nylon, PET, aramid, rayon, natural fibers (cotton, linen hemp)), metal, composites (carbon, glass-resin) or mixtures of these constituents. . The annular seat reinforcement may also be in the form of one or more plies, the reinforcements are arranged with an angle between 0 and 90 ° with the circumferential direction of the tire. Preferably, the annular reinforcement may be arranged radially on the outside or radially inside the body of the adapter, on either side of said body, or even between the layers of elements of reinforcement of the body of the adapter. The outer reinforcing element may be made of metal (steel), nylon, PET, aramid. It may comprise a matrix of resin and / or reinforcing fibers, such as rayon, aramid, PET, nylon, fiberglass, carbon fiber, basalt fiber, poly (ethylene2,6 naphthalate) (PEN), polyvinyl alcohol ( PVA). The main reinforcing armature of said body may have a module greater than or equal to 4GPa; it can be made of metal (steel) in textile cable (rayon, aramid, PET, nylon, fiberglass, carbon fiber, basalt fiber, poly (ethylene2,6 naphthalate) (PEN), polyvinyl alcohol (PVA) [0031] Preferably, the adapter may be arranged on one side of the rim, and preferably on the outside of the vehicle, in which case the rim has an asymmetrical geometric shape so as to adapt to the presence of the adapter on one side When the mounted assembly comprises two adapters, the latter may be symmetrical or non-symmetrical The concept of symmetry or dissymmetry of the adapter is defined by the axial length of the body two adapters are asymmetrical when the body of one of them has an axial length greater than that of the other. [0033] Preferably, the rolling assembly according to the invention comprises a first and second adapter having each n a body of different or identical length. The invention will now be described with the aid of the examples and figures which follow and which are given solely by way of illustration, and in which: FIG. 1 is a diagrammatic and radial cross-section wheel according to the invention comprising a tire mounted on two adapters, themselves recessed on a rim removably; and - Figure 2 shows a schematic radial sectional view of an unassembled adapter according to the invention. [0035] FIG. 1 represents a rolling assembly which comprises a tire P (partially shown), an adapter A and a rim J. [0036] The design tire, which is in itself unchanged in the invention, is formed of a tire strip. reinforced bearing by a crown reinforcement joined to two beads B on either side of an equatorial plane XX 'via two sidewalls 1. A carcass reinforcement 2 mainly reinforcing the sidewalls 1 is anchored in each bead B at least one rod, here of "braided" type 3 to form reversals 4, separated from the main carcass reinforcement portion by quasi-triangular shaped profiles 5. [0037] It is important to note that the The invention can be implemented with many types of tires, whether radial or diagonal carcass, or even with self-bearing sidewall type tires. The rim J made of composite carbon / epoxy comprises a groove 6, said assembly, and joining on both sides of the equatorial plane, two rim seats 7 axially extended by rim hooks 8 whose edges radially. outside are curved. The adapter A mainly comprises an axially outer end 9, an axially inner end 10 and a body 11 connecting said end 9 to said end 10. The axially outer end 9 comprises an outer reinforcing element 20 constituted by a first portion 20a connected to a second portion 20b and forming an angle substantially perpendicular to each other. When mounting the tire, the bead seat of the bead B fits into the space created by this outer reinforcing member 20. The adapters of this Figure 1 are removable with respect to the rim J and the beads B of the tire. The adapter A disposed at each bead B of the tire may be symmetrical or unsymmetrical. By symmetry, it is defined that the total length of the body 11 is identical on both adapters. When the assembly (tire, rim and adapter) is mounted, the beads B of the tire are arranged on the adapter seat 14 and placed in axial abutment against a bearing face 21. [0043] FIG. according to the invention, not mounted on rim. This adapter comprises, on the one hand, an axially outer end 9 with an outer reinforcement 15, of substantially spherical geometric shape, in section, made of composite material such as glass-resin, on the other hand, an axially inner end 10 with a metal reinforcement 16, and finally a body 11 consisting of two plies 17 comprising textile cables. The cables of each sheet are parallel to each other. Said plies 17 are, on the one hand, axially contiguous inside and radially on the outside of the walls of the reinforcement 15, and on the other hand, anchored in the end 10 to the metal reinforcement 16, such as a rod forming a flip at each end. The body 11 comprises a substantially cylindrical adapter seat 18 for receiving a bead of the tire (see Figure 2) disposed at the axially outer end of the body 11. The body 11 also comprises a face of adapter support 21 substantially in a plane perpendicular to the axis of rotation, located on the axially inner face of the axially outer end, and for holding in place the bead in its housing. This adapter seat 18 comprises an annular seat reinforcement 19 having a compression modulus equal to 100GPa. According to the representation of this Figure 2, the entire reinforcement 19 is disposed on the radially outer surface of the surface of the body 11. The annular seat reinforcement 19 is not secured to the outer reinforcement 15. These two reinforcements 19 , 15 are completely independent of each other. The reinforcement 19 consists of a trilayer comprising metal reinforcements in the form of son, alternated with a rubber-resin elastomer. The reinforcement 19 has a radial thickness of about 1.5 mm and an axial length of about 15 mm. The elastomer layer of the reinforcement 19 has a radial thickness of about 0.3 mm and an axial length of about 15 mm. An elastomeric layer 20 covers all the elements constituting the adapter, namely the reinforcement 15, the reinforcement 16, the body 11 and the radially outer surface of the reinforcement 19. The following examples show the results obtained with the adapter according to the invention. Example: Tests on sidewalk impact This test consists of mounting a set mounted on a sidewalk at an angle of attack of 30 °. The choice of this angle is based on the fact that it constitutes a very penalizing stress for a tire. The test is carried out with two different sidewalk heights (90mm and 110mm). The test is carried out as follows. Several passages of the wheel are made at different speeds until the tire is punctured. The starting speed is 20km / h, then we increment the speed of 5km / h at each new passage. A conventional set without adapter and with a conventional steel rim (control 1) is compared to an adapter assembly according to W000 / 78565 (control 2), and to an assembly provided with an adapter and an adapter. composite rim according to the invention (invention). These sets are all of size 205 / 55R16 including a 6.5J16 rim. The results are collated in the following Table I and are given in percent: Control 1 Control 2 Invention Percentage of the 100> 150> 150 puncture speed compared to the control - Sidewalk height 90mm Level of effort 100 50 40 Vertical reach ( Fz) measured at the puncture speed Condition of the assembly - tire puncture - Tire and wheel intact Tire, adapter and shock mounted - wheel with marks - Adapter plastically deformed wheel intact Table I Results greater than 100 show a improved behavior in the event of a side impact. The test carried out on the sidewalk height of 90 mm results in the puncture of the control tire at a speed of 30 km / h, whereas the assembly according to the invention undergoes no damage at this same speed, even at a speed of 50 km. / h.
    [0002] The test performed on the sidewalk height of 110mm results in the puncture of the control tire at a speed of 20km / h, while the assembly according to the invention undergoes no damage at this same speed, even at a speed of 50km. / h.
    权利要求:
    Claims (9)
    [0001]
    CLAIMS1 - A rolling assembly having an axis of rotation and comprising: - a tire having two beads, - a rim, - said adapter ensuring the junction between one of the beads and the rim said rim having two rim seats, said adapter having: an axially inner end intended to be mounted on the seat of the rim and comprising an inner reinforcing element; an axially outer end comprising an outer reinforcing element; a body connecting said outer end with said inner end so as to form a unitary piece and comprising at least one main reinforcing armature providing the connection between said outer reinforcement and said inner reinforcement, - a substantially cylindrical adapter seat intended to receive one of said beads, said seat being situated at the axially end outside said body, - an adapter support face substantially included in a plane perpendicular to the axis of rotation, said bearing face being located on the axially inner face of the axially outer end, characterized in that the reinforcing element of the axially outer end is entirely located axially on the outside of the bearing face, in that the body comprises a seat ring reinforcement of the adapter seat, and in that the rim is made of a material selected from aluminum alloys and / or magnesium, composite materials based on carbon fibers, glass fibers, aramid fibers, vegetable fibers, said fibers being included in a matrix based on thermosetting compounds or thermoplastic compounds, or in a compound complex comprising an elastomer and a complex based on resin and fibers selected from carbon fibers, glass fibers, aramid fibers, plant fibers, or from among all combinations of materials.
    [0002]
    2 - rolling assembly according to claim 1, characterized in that the composite materials based on fibers comprise fibers having a length greater than or equal to 5mm.
    [0003]
    3 - rolling assembly according to claim 1, characterized in that the matrix based on thermosetting compounds is selected from epoxy resins, vinylester, unsaturated polyesters, cyanate ester, bismaleimide, acrylic resins, phenolic resins, polyurethanes and their combination.
    [0004]
    4 - rolling assembly according to claim 1, characterized in that the matrix based on thermoplastic compounds is chosen from polypropylene (PP), polyethylene (PE), polyamides (PA), semi-aromatic polyamides, polyester ( PET), polybutylene terephthalate (PBT), polyetheretherketone (PEEK), polyetherketoneketone (PEKK), polyethersulfone (PSU), polyetherimide (PET), polyimide (PI), polyamideimide (PAT), polyphenylenesulfide ( PPS), polyoxymethylene (POM), polyphenylene oxide (PPO).
    [0005]
    5 - rolling assembly according to claim 1, characterized in that the reinforcing element of the axially outer end is disposed radially outside the adapter seat.
    [0006]
    6 - rolling assembly according to claim 1, characterized in that the annular seat reinforcement has a compression modulus greater than or equal to 1GPa, and preferably greater than 4MPa, and more preferably greater than 10GPa.
    [0007]
    7 - rolling assembly according to claim 1, characterized in that the annular seat reinforcement consists of a core surrounded by an elastomer.
    [0008]
    8 - rolling assembly according to one of claims 1 or 7, characterized in that the elastomer is selected from crosslinkable rubbers, thermoplastic elastomers, non-thermoplastic elastomers.
    [0009]
    9 - rolling assembly according to claim 7, characterized in that the core comprises at least one element selected from a metal, a composite material, a thermoplastic compound, and their mixture. Rolling assembly according to one of claims 1, 6 or 7, characterized in that the annular seat reinforcement consists of at least two layers of different constituents arranged alternately. 11 - rolling assembly according to claim 1, characterized in that the composite material is made based on glass fibers embedded in a resin material. 12 - rolling assembly according to claim 1, characterized in that the annular seat reinforcement has a total axial length greater than or equal to 30% of the width of the bead of the tire, and less than 150% of the same width. 13 - rolling assembly according to claim 12, characterized in that the annular seat reinforcement has an axial length of between 40 and 110% of the width of the bead of the tire. 14 - rolling assembly according to claim 1, characterized in that the annular seat reinforcement has an average radial thickness greater than or equal to 0.3 mm and less than or equal to 20 mm.
    类似技术:
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    EP3253599B1|2019-06-19|Rolling assembly
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    EP3383678A1|2018-10-10|Adapter for rolling assembly and rolling assembly comprising same
    EP3294576B1|2020-04-15|Adaptor for rolling assembly and rolling assembly comprising same
    EP3233535B1|2018-11-21|Tyre comprising a carcass reinforcement made up of two layers
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    FR3020312A1|2015-10-30|ROLLING ASSEMBLY
    EP3233536B1|2018-11-21|Tyre comprising a carcass reinforcement made up of two layers
    FR3044264A1|2017-06-02|ADAPTER FOR ROLLING ASSEMBLY AND ROLLING ASSEMBLY COMPRISING SAME
    FR3033284A1|2016-09-09|ROLLING ASSEMBLY
    同族专利:
    公开号 | 公开日
    US10189316B2|2019-01-29|
    US20170057299A1|2017-03-02|
    EP3137319A1|2017-03-08|
    BR112016024593A2|2018-12-04|
    CN106232394B|2018-04-20|
    CN106232394A|2016-12-14|
    RS57940B1|2019-01-31|
    CA2941329A1|2015-11-05|
    PL3137319T3|2019-02-28|
    WO2015165638A1|2015-11-05|
    FR3020313B1|2016-05-06|
    EP3137319B1|2018-07-18|
    JP2017514747A|2017-06-08|
    BR112016024593B1|2020-12-08|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    WO2000078565A1|1999-06-21|2000-12-28|Société de Technologie Michelin|Assembly comprising a tyre, a rim and an adapter|FR3044263A1|2015-12-01|2017-06-02|Michelin & Cie|ADAPTER FOR ROLLING ASSEMBLY AND ROLLING ASSEMBLY COMPRISING SAME|
    FR3050688A1|2016-05-02|2017-11-03|Michelin & Cie|ADAPTER FOR ROLLING ASSEMBLY AND ROLLING ASSEMBLY COMPRISING SAME|FR2478499B1|1980-03-19|1985-03-15|Nippon Light Metal Co|
    US4373567A|1980-10-10|1983-02-15|The Goodyear Tire & Rubber Company|Tire rim and adapter|
    CN101011919A|2006-02-05|2007-08-08|林蝉勤|Spoke wheel rim|
    EP2611626B1|2010-09-02|2014-06-25|Bayerische Motoren Werke Aktiengesellschaft|Wheel assemblyfor vehicles|
    FR3014362B1|2013-12-11|2017-03-17|Michelin & Cie|PERFECTIONED ROLLING ASSEMBLY|
    FR3036064B1|2015-05-12|2017-05-12|Michelin & Cie|ADAPTER FOR ROLLING ASSEMBLY AND ROLLING ASSEMBLY COMPRISING SAME|
    FR3044263A1|2015-12-01|2017-06-02|Michelin & Cie|ADAPTER FOR ROLLING ASSEMBLY AND ROLLING ASSEMBLY COMPRISING SAME|FR3026051B1|2014-09-24|2016-11-04|Michelin & Cie|ADAPTER FOR ROLLING ASSEMBLY AND ROLLING ASSEMBLY COMPRISING SAME|
    FR3032382B1|2015-02-05|2017-01-20|Michelin & Cie|ROLLING ASSEMBLY|
    CN109070660B|2016-05-04|2020-10-27|米其林集团总公司|Adapter for a rolling assembly and rolling assembly comprising said adapter|
    FR3060450B1|2016-12-15|2019-06-21|Compagnie Generale Des Etablissements Michelin|ASSEMBLY WITH A VERY LOW-SIZED PNEUMATIC|
    法律状态:
    2015-04-21| PLFP| Fee payment|Year of fee payment: 2 |
    2015-10-30| PLSC| Search report ready|Effective date: 20151030 |
    2016-04-21| PLFP| Fee payment|Year of fee payment: 3 |
    2017-04-19| PLFP| Fee payment|Year of fee payment: 4 |
    2018-04-20| PLFP| Fee payment|Year of fee payment: 5 |
    2020-01-10| ST| Notification of lapse|Effective date: 20191205 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1453853A|FR3020313B1|2014-04-29|2014-04-29|ROLLING ASSEMBLY|FR1453853A| FR3020313B1|2014-04-29|2014-04-29|ROLLING ASSEMBLY|
    CN201580020516.5A| CN106232394B|2014-04-29|2015-03-17|Include the rolling assembly of tire, wheel rim and connector|
    PL15709961T| PL3137319T3|2014-04-29|2015-03-17|Rolling assembly comprising a tyre, a rim and an adapter|
    CA2941329A| CA2941329A1|2014-04-29|2015-03-17|Rolling assembly comprising a tyre, a rim and an adapter|
    US15/307,630| US10189316B2|2014-04-29|2015-03-17|Rolling assembly comprising a tire, a rim and an adapter|
    RS20181234A| RS57940B1|2014-04-29|2015-03-17|Rolling assembly comprising a tyre, a rim and an adapter|
    JP2016565462A| JP2017514747A|2014-04-29|2015-03-17|Rotating assembly including tire, rim and adapter|
    BR112016024593-8A| BR112016024593B1|2014-04-29|2015-03-17|WHEEL SET UNDERSTANDING A PNEUMATIC, RING AND ADAPTER|
    EP15709961.5A| EP3137319B1|2014-04-29|2015-03-17|Rolling assembly comprising a tyre, a rim and an adapter|
    PCT/EP2015/055503| WO2015165638A1|2014-04-29|2015-03-17|Rolling assembly comprising a tyre, a rim and an adapter|
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