• 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:
    Connecting flange assembly for wheel rim and brake disc. An assembly comprising a flange (1) and a disc (3), the disc (3) having a brake band (22) and a drum (25), said drum having an outer surface (49) of the drum, said drum (25) being suitable for receiving a bearing (11) inside said drum, said disc (3) being arranged between the bearing (11) and said flange (1), and the flange (1 ) comprises an inner ring (5) coupled with the disc (3) and an outer ring (12) capable of being coupled with a wheel rim (2), said flange (1) also comprises an intermediate portion (18) which it has the through openings of the flange (19) defined by an opening edge (20), said opening edge comprises a portion of the radially innermost edge (21), in which at least a portion of the outer surface (49) of the drum of the disc is arranged radially outside the edge portion (21) of the flange opening which is arranged radially further inward.
    公开号:BR112014009025B1
    申请号:R112014009025-4
    申请日:2012-10-11
    公开日:2021-03-09
    发明作者:Leone Oberti；Gianluigi Maronati；Nino Ronchi
    申请人:Freni Brembo S.P.A.；
    IPC主号:
    专利说明:

    [001] The present invention relates to a connection flange assembly for a wheel rim and a brake disc.
    [002] In particular, the present invention relates to a flange assembly connecting to a wheel rim and brake disc, for example, for commercial vehicles.
    [003] As is known, commercial vehicles have the support elements of wheel rims, or hubs, comprising bearings that are sufficiently robust to be able to withstand high transport loads.
    [004] Typically, these hubs are connected to rolling shafts or to drive shafts, or motors, which allow a free rotation of the bearing and, therefore, of the wheel rim connected to it, or the transmission of a torque.
    [005] In the case where these hubs are used in commercial vehicles, the housed bearings must support even very high loads. Although the friction between the shaft and the hub is particularly limited, due to the use, for example, involving bearings, for example, roller bearings, in the event that the action to be transmitted through the bearing is particularly high, it is generated considerable heating of the bearing and all the components adjacent to it. This heating has to be dissipated properly so as not to compromise the correct operation of the bearings housed in the hub and, therefore, possibly from the disc to the disc brake that is connected to it.
    [006] In addition, the braking system determines, when actuated, a particular heat production. In fact, the vehicle's braking action converts, due to the friction between its components, kinetic energy into thermal energy. The fact that the disc brake disc is connected to the wheel rim support hub determines, in the case of repeated and intense braking actions, for example, in the case where the vehicle has to travel down a passage in a mountain, a large increase in the temperature of the disc brake disc and also of its parts connected to the hub and, in particular, in the bearing, thus causing considerable heating of the bearing housed there. In the event that the brake disc is not cooled properly, it is possible to compromise the correct operation not only of the disc, but also of the bearing.
    [007] Therefore, the need to design and provide a solution that allows adequate cooling not only of the disc brake disc, but particularly of the interface between the disc brake disc and the bearing received therein, is particularly felt.
    [008] Solutions are known that present the means for the passage of cooling air through the wheel rim, in particular, through the connection flange between the hub and the wheel rim.
    [009] For example, EP 1 162 385 by SAF Holand GmbH discloses a mounting device for a wheel comprising a wheel hub and a flange having a wheel mounting portion to be connected to the wheel, and showing a portion of the hub assembly to be connected to a wheel hub. Ventilation passages are provided between the wheel assembly portion and the hub assembly portion.
    [0010] This solution has considerable disadvantages, because it allows the cooling air to pass through the hub openings and the rim connection flange by evacuating the heat developed by the braking surfaces, in particular, the braking surface facing the rim, but in no way can the cooling of the heat developed by the bearing, or transmitted to the bearing, through the brake disc drum occur.
    [0011] Other solutions for the hub and rim connection flange openings are known from US 3,952,820 documents by SKF Nova AB and from US 5,921,633 documents by Fag Automobiltechnik AG, which, however, present the following drawbacks of the solution of EP 1 162 385.
    [0012] Therefore, it is particularly felt the need to manufacture a disc flange assembly for the disc brake that allows adequate cooling not only of the disc, but also of the bearing, and in particular, that allows an adequate evacuation of the fluid from the disc. cooling.
    [0013] Therefore, the objective of the present invention is to design a connecting flange for a wheel rim and flange assembly and brake disc that allows to solve the inconveniences of the state of the art, while allowing adequate cooling of the bearing and the brake disc, as well as providing a simple solution to be implemented and easy to maintain, which prevents the direct connection of the brake disc to the wheel rim.
    [0014] According to a generic embodiment, a set comprises a flange and a disc, said disc having a brake band and a drum. Said drum has an outer surface of the drum. Said drum is suitable for receiving a bearing internally so that said disc is interposed between said bearing and said flange. The flange comprises an inner ring coupled with the disc and an outer ring capable of being coupled with a wheel rim. Said flange also comprises an intermediate portion which has the opening through the flange and defined by an opening edge, which comprises its portion of the radially innermost edge, that is, closer to the axis of symmetry of the flange and / or the disc . Preferably, at least a portion of the outer surface of the disc drum is arranged radially more outwardly with respect to the portion of the flange opening edge arranged radially inwardly.
    [0015] According to yet another generic embodiment, a set comprises a flange connecting a wheel rim to a brake disc. Said flange comprises an annular body that extends around an axis of symmetry. Said body comprises an inner ring suitable for the connection of the brake disc and has a first surface which extends substantially radially and facing the disc and a second opposite surface of the disc. Said inner ring comprises a disc coupling portion. Said flange body also comprises an outer ring suitable for connection to the wheel rim and which has a third surface that extends substantially radially and facing the disc, as well as a fourth opposite surface of the disc and facing the wheel rim. Said outer ring also comprises a coupling portion of the rim. Said body of the flange also comprises an intermediate junction portion between said inner ring and said outer ring, said intermediate portion comprising a plurality of openings passing through the flange, which are distributed circumferentially. Said plurality of openings has an opening edge, and each of said openings has a radially internal portion, which defines the opening for the axis. Said assembly also comprises a disk for the disk brake disposed about an axis of rotation. Said disc comprises a brake band which extends around said axis of rotation and forms two opposite braking surfaces suitable for cooperating with the pads of a brake caliper disposed mounted on said brake band. Said disk also comprises a drum, which comprises a drum connection flange which has a connection portion suitable for connecting the drum to a bearing housed therein. Said connection portion of said connection flange comprises a surface facing the bearing and an opposite surface facing the flange, so as to leave said disk with its connecting flange between said bearing and the connecting flange on the wheel rim. Said drum also comprises a corner or edge portion which is arranged radially outwardly from the connecting portion. Said drum also comprises a body of the drum that connects to said edge of the brake band which defines a space on the outside of the drum, for example, a space between the drum and the wheel rim, or on the outside of the drum. wheel rim, and internally defines a gap between the drum and the bearing housed therein. This span extends substantially axially along the entire drum until it reaches said edge. Preferably, said edge defines at least one opening of the drum that leads to the gap, present from the body of the bearing drum, in communication with the outside of the drum and, in particular, with the opening of the flange. Said opening of the drum has a radially internal portion of the opening edge of the drum. Preferably, one of said openings of said plurality of openings of the flange has its radially internal portion of the opening edge substantially radially aligned or with substantially the same distance from the axis of symmetry with respect to the radially internal portion of the opening edge the opening of the drum.
    [0016] Due to the provision of an outer surface of the drum radially more external to the radially inner or lower edge of the flange opening, it is possible to place the drum part in communication with the opening of the cooling fluid evacuation flange, allowing the bearing to cool, as well as the brake disc to cool.
    [0017] In addition, due to the provision of a drum for the brake disc, on the edge of which an opening is provided for the evacuation of the cooling fluid from the gap inside the drum, which separates it from the external bearing when rim, passing through the flange opening, it is possible to also adequately cool the interior of the drum and, therefore, also the bearing directly, bringing it in direct communication with the outside of the wheel rim.
    [0018] In addition, due to the solutions described, it is possible to dismantle the wheel without separating the flange from the rim, in order to make the possible replacement of the worn disc particularly easy and quick.
    [0019] In addition, according to one embodiment, the number of openings on the flange is equal to the number of openings provided on the end of the drum, reducing the total number of openings on the flange and making the last one much more resistant to mechanical stresses which are present, for example, in commercial vehicles. At the same time, the envisaged solution makes it possible to present a flange body and, in particular, an inner ring for coupling the disc thereof, in a lighter weight, but at the same time, sufficiently robust, since it is coupled with a large extension or connection portion of the same on the drum flange, thus being a thin inner ring of the flange, still adequately robust, at the same time allowing the weight reduction of the set as a whole.
    [0020] Due to the proposed solution, it is possible to release the brake disc from the wheel rim and interpose it between the flange and the bearing, while preserving the proper ventilation of the bearing, allowing the evacuation of the cooling fluid from the gap between the bearing and the disc directly outside the wheel.
    [0021] These and other objectives are achieved by a set as described in claim 1 attached here.
    [0022] Several embodiments of the invention will now be described below, by way of implementation examples, which are given by way of non-limiting example, with reference to the attached figures, in which: - figure 1 represents, in an axonometric view partially in section, a set consisting of a disk for a disk brake, a disk connection flange in the rim, as well as a partially sectioned wheel rim, in order to better illustrate the flange; figure 2 represents an axonometric view of a cross section of the assembly in figure 1; - figure 3 represents, in axonometric view in partial section, the set of figure 1 according to another point of view; - figure 4 represents, with the separate parts, the assembly composed of a disc brake disc, a flange connecting the disc to the rim and a bearing that can be housed inside the disc drum; figure 5 represents a front view of a set of a disc brake disc connected to a connecting flange and a wheel rim partially in section; figure 6 represents a cross section of the assembly of figure 5; figure 7 represents an enlarged detail of the set of figure 6; figure 8 represents an axonometric view of a flange connecting a disk to a rim; figure 9 represents a front view of the flange of figure 8; figure 10 represents a cross section of the flange of figure 8; figure 11 represents an axonometric view of a disc for disc brake; figure 12 represents a front view of the wheel side of the disk of figure 11; figure 13 represents a cross section of the disk in figure 11.
    [0023] As can be seen in the attached figures, according to a generic embodiment, a set comprises a connecting flange or flange 1 and a disc or disc for disc brake 3.
    [0024] According to an embodiment, the disc 3 has a brake band 22 suitable for cooperating with a disc brake caliper to exert a braking action on a vehicle. Said disc 3 also comprises a drum 25. Said drum 25 has an outer surface of drum 49. Said drum 25 is suitable for receiving a bearing 11 within said drum, which is suitable for being contracted on a mechanical axis. or a vehicle axle.
    [0025] According to a preferred embodiment, said disc 3 is interposed between the bearing 11 and the connecting flange 1 and, according to one embodiment, said disc is able to be firmly connected to the bearing of to allow connection flange 1 to be separated without separating the bearing disc.
    [0026] According to an embodiment, the flange 1 comprises an inner ring 5. Said inner ring 5 is coupled with the disc 3. Said flange 1 also comprises an outer ring 12 capable of being coupled with a rim. wheel 2.
    [0027] According to a preferred embodiment, said connection flange 1 also comprises an intermediate portion 18 which has the through openings of the flange 19, that is, which is able to bring one side of the flange in communication with the other flange side, that is, suitable to bring the interior of the wheel in communication with the external side of the wheel. Said flange openings 19 are defined by an opening edge 20, which comprises a portion of the radially innermost edge 21, or the portion of the edge closest to the X-X axis of symmetry of the connecting flange 1.
    [0028] According to an embodiment, said disc 3 is an axial body symmetrical with respect to an X-X axis of symmetry which, preferably, coincides with the axis of rotation of the mechanical axis or axis of the vehicle. According to an embodiment, said connection flange 1 has an axial body symmetrical with respect to an axis of symmetry XX that advantageously coincides with the axis of symmetry of the disc 3, which coincides with the axis of rotation of the axis or axis of the vehicle.
    [0029] According to a preferred embodiment, at least a portion of the outer surface 49 of the disc drum 3 is arranged radially in a position on the outside relative to the edge portion 21 of the flange opening 19, which is radially more internal.
    [0030] According to a generic embodiment, an assembly comprises a connecting flange 1 of a wheel rim 2 on a brake disc 3. In particular, said flange 1 comprises an annular body 4 extending around of an XX axis of symmetry.
    [0031] According to an embodiment, said body 4 comprises an inner ring 5 adapted for connection to a brake disc 3 and which has a first surface 6 which extends substantially radially in front of the disc 3, as well as a second surface 7 opposite the disc 3. According to an embodiment, said inner ring 5 comprises a coupling portion of the disc 8.
    [0032] According to an embodiment, said inner ring 5 has a plurality of through holes 9 suitable for receiving the coupling means 10 from the flange 1 to the disc 3, as well as for the connection to the bearing 11 received in said disc 3.
    [0033] According to an embodiment, said body 4 also comprises an outer ring 12 adapted for connection to a wheel rim 2 and having a third surface 13 which extends substantially radially and facing the disc 3 , as well as a fourth surface 14 opposite the disc 3 and facing the wheel rim 2.
    [0034] According to one embodiment, said outer ring 12 comprises a coupling portion of the rim 15. According to one embodiment, said outer ring 12 also comprises a plurality of through holes 16 suitable for receiving the means for connecting the wheel rim 2 to the flange 17.
    [0035] According to an embodiment, said body 4 comprises an intermediate junction portion 18 between said inner ring 5 and said outer ring 12. According to an embodiment, said intermediate portion 18 comprises a plurality of flange openings 19. Said flange openings 19 are through openings, that is, they bring one side of the flange in communication with the opposite side of the flange, or, in other words, they bring the interior of the wheel in communication with the outside of the wheel. Said openings of the flange 19 are preferably, but not necessarily, circumferentially distributed around said X-X axis.
    [0036] According to an embodiment, each of said openings of said plurality of openings 19 has an opening edge 20. Each of said openings 19 comprises a radially internal portion of the edge 21 that defines the opening in with respect to the XX axis.
    [0037] According to an embodiment, said assembly also comprises a disk for a disk brake 3. Said disk 3 is arranged around an axis of rotation XX and comprises a brake band 22 which extends in around said axis of rotation XX and forms two opposite braking surfaces 23, 24 suitable for cooperating with the brake caliper pads arranged mounted on said brake band.
    [0038] According to an embodiment, said disc 3 defines an axial direction XX that coincides with, or is parallel to, said axis of rotation X-X. Said disk also defines a radial direction RR, which defines a radially external direction RE when proceeding out of said axial direction XX, as well as in a radially internal direction RI when proceeding towards said radial direction XX, as well as in a direction circumferential TT perpendicular to said axial direction XX and to said radial direction RR.
    [0039] According to an embodiment, said disk 3 also comprises a drum 25. Said drum 25 comprises a connecting flange drum 26 which has a connecting portion 27 suitable for connecting drum 25 to a bearing 11 .
    [0040] According to an embodiment, said connection portion 27 of said connection flange 26 comprises a surface 28 facing the bearing 11 and an opposite surface 29 facing the flange 1.
    [0041] According to an embodiment, said disc 3 is located, for example, with its connection flange 26, between said bearing 11 and connection flange 1 for connection with the wheel rim.
    [0042] According to an embodiment, said drum 25 also comprises an angle 30 or corner portion or edge of the drum. According to an embodiment, said edge or angle portion 30 of the drum 25 is a radially extending ridge that proceeds out of the X-X axis.
    [0043] According to an embodiment, said drum 25 also comprises a barrel body 31, which connects said edge 30 to the brake band 22.
    [0044] According to an embodiment, said drum body 31 defines an external space 32 between the drum 25 and, for example, the wheel rim 2 or outside the wheel rim 2.
    [0045] According to an embodiment, the barrel body 31 is suitable for creating a gap 33 between it and the bearing 11 received. According to one embodiment, said difference of 33 proceeds axially, for example, according to axial direction XX, substantially along the entire drum 25 until it reaches said edge 30 and allowing the cooling fluid to envelop substantially the entire bearing 11.
    [0046] According to an embodiment, said edge 30 defines at least one opening of the drum 34 which places the gap 33 between the body of the drum 31 and the bearing 11, in communication with the outside of the drum 32, as well as through the opening of the flange 19 with the outside of the wheel. According to an embodiment, said opening of the drum 34 has a radially internal portion 36 of the edge 35 of the opening of the drum 34.
    [0047] According to a preferred embodiment, at least one of said openings of said plurality of openings 19 of the flange 1 has its radially internal portion 21 of the opening edge 20 substantially radially aligned, or with substantially the same distance of the XX axis, with respect to the radially inner portion 36 of the opening edge 35 of the drum opening 34.
    [0048] According to an embodiment, said opening of the drum 34 is a plurality of drum openings 34, for example, a plurality of openings of the drum 34 distributed circumferentially about said X-X axis.
    [0049] According to an embodiment, said opening of the drum 34 is joined to a pipe of the drum 37 which has at least one wall 38 inclined with respect to the X-X axis. According to an embodiment, said inclined wall 38 is a wall radially external to the duct 37 in relation to the axis of the disk X-X, forming a portion of the barrel body in the shape of a conical trunk.
    [0050] Advantageously, said duct, which expands radially and passes from the gap in the opening of the drum 34 during the rotation of the disc, causes a centrifugal action on the cooling fluid that surrounds the bearing, thus forcing a evacuation movement of the coolant from the gap towards the opening of the drum and then through the opening of the flange to the outside of the wheel.
    [0051] According to an embodiment, said duct 37 has an annular shape, for example, with a shape that is coaxial to said X-X axis.
    [0052] According to an embodiment, said at least one drum opening 34 is defined by the openings in the walls 39, 40 which presents, in their radially external portions in relation to the axis of the disk XX, at least one inclined section which defines a supply and junction duct between the span 33 and at least one opening 34. According to one embodiment, said duct tapers radially, thus creating a centrifugal action on the cooling fluid, which from from span 33 is led to opening 34.
    [0053] According to an embodiment, said inclined section 38 has a plurality of inclined sections that have an increasing inclination passing from the gap 33 to the opening 34 to form a channel that departs from the axis of rotation of the disk XX.
    [0054] According to an embodiment, the walls 39, 40 defining said opening 34 have at least a second section 36 of the wall or radially internal portion, which has a direction parallel to the direction of the X-X axis. According to an embodiment, said section 36 parallel to the axial direction is opposite to said angled section to form an opening mouth 34 towards the outside of the disc, with walls diverging from each other.
    [0055] According to an embodiment, said disc is used in an automotive vehicle, in particular a commercial vehicle, which has a bowl-shaped drum 25 and an annular brake band 22 that extends to said drum 25. According to one embodiment, said disc has an annular ridge 41 on the outer peripheral surface of the drum 25 which extends from said drum, for example, but not necessarily, on said edge 30.
    [0056] According to an embodiment, at least one guide duct for the cooling fluid 37 is formed in said annular ridge 41, which conducts said fluid from said gap 33 to the outer space of the drum 25, surrounding the outer surface of the drum.
    [0057] According to an embodiment, said flange 1 has a number of openings of the flange 19 which is equal to the number of openings of the barrel 34. According to one embodiment, there are six of said openings of the flange 19 and there are six of said openings of the drum 34.
    [0058] According to an embodiment, said flange openings 19 and said drum openings 34 have their radially internal opening portions 21, 36 aligned with each other, substantially on the same cylindrical surface, spaced apart substantially the same way from said axis XX.
    [0059] According to an embodiment, said flange openings 19 and said drum openings 34 have the same circumferential or tangential extension along the circumferential direction T-T.
    [0060] According to an embodiment, said disc is connected to the bearing by means of threaded pins 50 in order to separate the flange from the disc, leaving the disc firmly coupled with the bearing.
    [0061] According to an embodiment, the drum flange has through seats or through holes suitable for receiving the threaded pins 50 that exit from said drum into the drum to connect to the holes provided in the bearing, for example , but not necessarily, outside the fifth wheel of the bearing.
    [0062] According to an embodiment, the flange seats of the drum are built-in seats 51 suitable for receiving the screws completely or sliding, in such a way that they do not come out of the drum, avoiding interference in the coupling between the drum and the connection flange 1 on the rim 2.
    [0063] According to an embodiment, said coupling portion of the disc 8 of said flange 1 forms a seat 42 suitable for receiving the flange of the drum 26.
    [0064] According to an embodiment, said coupling portion of the disc 8 is defined radially and internally by a guide edge of the disc 43 to guide and center the flange of the drum 26, provided, for example, with a crest annular forming an inner edge of counter guide.
    [0065] According to an embodiment, said coupling portion of the rim 15 of said flange 1 forms a seat of the rim 44 suitable for receiving a portion of the flange of the rim 45 for its connection with the connecting flange 1.
    [0066] According to an embodiment, said coupling portion of the rim 15 is defined radially and internally by an edge of the rim 46 to guide and center the rim flange 45, which, for example, will be equipped with corners unloaded and a ridge facing the flange connection 1 which is suitable for a connection, for example, which has a predefined flat geometric tolerance, as well as with an internal counter guide edge.
    [0067] According to one embodiment, said assembly also comprises a wheel rim 2. According to an embodiment, said wheel rim 2 comprises a channel 48 suitable for cooperating, for example, with a tire . Said channel is firmly connected to a rim flange 45 suitable for connecting said channel 48 to connection flange 1. According to an embodiment, said rim flange 45 is equipped with through openings 47 of the rim which are able to evacuate the coolant.
    [0068] Below, a method of assembling the set is described.
    [0069] According to one use of the embodiment, a method for assembling a disc flange assembly to a bearing comprises the steps of: - providing a set according to one of the embodiments described above; - mount the disc brake disc 3 on the bearing 11 by inserting the bearing inside the disc drum 25 until the connection flange of the disc drum 26 is brought into contact with a fifth wheel of the bearing 11; - align a seat 51 for a threaded pin 50 with the threaded seat of the bearing; - assemble at least one threaded pin 50 and firmly connect the disc to the bearing; - mount the connection flange 1 of the disk rim by coupling its inner ring of the flange 5 with the disk 3; - firmly connect the flange to the disc and bearing, inserting the connection means for the flange, disc and bearing 10.
    [0070] According to one use of the embodiment, said method also comprises the step of: - connecting a wheel rim 2 to the flange 1 and comprises the steps of: o mounting the rim flange 45 on the outer ring 12 connecting flange 1; o firmly connect the rim 2 and the connection flange 1 through the connection means of the rim and flange 17.
    [0071] According to one use of the embodiment, the method comprises the steps of replacing a worn brake disc 3, said method comprises the steps of: - preventing the decoupling of the rim 2 from the connection flange 1 , preventing the connection means of the flange, disc and bearing 10 from being disconnected by separating the connection flange 1 from the disc 3; - then disconnect the disc 3 from the bearing 11 by unscrewing the grub screws 50; - remove the worn disc 3 from the bearing.
    [0072] For the preferred implementation solution of the devices described above, experts in the art, in order to satisfy specific contingent needs, will be able to carry out various modifications, adaptations and substitutions of elements for others that are functionally equivalent, without this falls outside the scope of the following claims.


    权利要求:
    Claims (12)
    [0001]
    1. Assembly comprising: a connection flange (1) and a brake disc (3); wherein said connecting flange comprises an annular body (4) extending around an axis (XX) of symmetry, said annular body (4) comprising an inner ring (5) suitable for connecting to said brake disc (3) and having a first surface (6) which extends substantially radially and facing said brake disc (3) and a second surface (7) opposite said brake disc (3), said inner ring ( 5) still having a coupling portion (8) of the disc, said body (4) still having an outer ring (12) suitable for connection to a wheel rim (2) and having a third surface (13) which extends substantially radially and facing said brake disc (3) and a fourth surface (14) opposite said brake disc (3) and facing the wheel rim (2), said outer ring ( 12) further having a coupling portion of the rim (15), said annular body (4) further comprising an intermediate junction portion (18) in position ionized between said inner ring (5) and said outer ring (12), said intermediate portion (18) having a plurality of through openings (19) distributed circumferentially, said through openings (19) each having a open edge (20) which includes a radially internal portion (21) that defines said opening towards said axis of symmetry (XX); wherein said brake disc is arranged around an axis of rotation and comprises a brake band (22) extending around said axis of rotation (XX), said brake band (22) forming two surfaces opposite brake pads (23, 24) suitable for cooperating with the brake caliper pads arranged mounted on said brake band, said brake disc (3) which defines an axial direction (XX) coinciding with, or parallel to, the , said axis of rotation (XX), a radial direction (RR) that defines a radially external direction (RE) when moving away from said axial direction, a radially internal direction (RI) when proceeding towards said axial direction (XX) , and a circumferential direction (TT) perpendicular to said axial direction (XX) and said radial direction (RR), said brake disc (3) also comprises a drum (25) including a drum connection flange (26) , which has a connection portion (27) suitable for connecting said drum (25) to a bearing (11), said connection portion (27) comprising a surface (28) facing the bearing and an opposite surface (29) facing said flange (1); said brake disc (3) being arranged with its connecting flange (26) positioned between said bearing (11) and said connecting flange (1), said drum (25) also comprises an edge portion ( 30) and being arranged radially outside said connection portion (27) and which is suitable for connecting said drum (25) to the bearing (11) said drum (25) also comprises a drum body (31) that connects the said edge portion (30) on said brake band (22), said drum body (31) defines an external space (32) comprised between said drum (25) and the wheel rim (2), said drum body (31) being suitable to create a gap (33) between said drum (25) and the bearing (11) housed in said drum, said substantially extending axially according to said axial direction (XX) along the entire drum (25) until reaching said edge portion (30), characterized in that said edge portion (30) defines at least one opening of the drum (34) that places said gap (33) between said drum body (31) and the bearing (11) in communication with a space outside said drum (32), said opening of the drum (34) having an open edge that includes a radially internal portion (36); and wherein said radially internal portion (21) of said opening edge (20) of at least said holes through said connection flange is substantially radially aligned with, with said radially internal portion (36) of said edge of the opening (35) of said at least one opening of the drum (34).
    [0002]
    Assembly according to claim 1, characterized in that said at least one opening of the drum (34) comprises a plurality of openings of the drum (34) distributed circumferentially around said axis of rotation (XX), wherein : each said opening of the drum (34) is joined to a drum duct (37) which has at least one wall (38) inclined with respect to said axis of rotation (XX), said inclined wall being the radially external wall ( 38) with respect to said axis of rotation (XX) of said brake disc; each said drum duct (37) has an annular and coaxial conformation with said rotation axis (X-X); each said opening of the drum (34) is defined by the walls of the opening (39, 40) which, in their radially external portions in relation to said axis of rotation of said brake disc (XX), have at least one inclined section that defines said drum duct disposed between said gap (33) and said opening (34), said radial widening drum duct creating a centrifugal action on a cooling fluid that is brought from said gap (33) towards the said opening (34); said at least one inclined section (38) comprises a plurality of inclined sections showing an increasing inclination that passes, from said gap (33) to said opening of the drum (34) to form a channel that departs from said axis of rotation (XX) of said brake disc ;, and said opening walls (39, 40) that define said opening of the drum (34) have at least a second section of the wall (36) that presents a direction parallel to the for axial direction (XX), said section (36) parallel to said axial direction being positioned opposite to said inclined section to form an opening mouth facing the outside of said brake disc with the walls diverging from each other.
    [0003]
    3. Assembly according to claim 1, characterized in that said brake disc is for use in a commercial vehicle and in which said drum of said brake disc has the shape of a bowl (25) and said disc brake tray brake ring is annular (22), whereby: said drum has an annular ridge (41) which is understood from an external peripheral surface of said drum (25), said annular ridge (41) forming at least one duct guide that guides coolant fluid from said gap (33) to said space outside said drum (25).
    [0004]
    4. Assembly according to claim 1, characterized in that: said connection flange (1) has a number of through openings (19) which is equal to the number of openings in the drum (34), said through openings (19) and said drum openings (34) have the same tangential or circumferential extension along a tangential or circumferential (TT) direction; said assembly comprises said connection flange (1), said brake disc (3) and a bearing (11), and wherein said brake disc (3) is connected to said bearing (11) with threaded pins (50), preferably, received in threaded seats of a body of said bearing in such a way as to allow the separation of said connection flange from said brake disc; and said threaded pins (50) are received in said threaded seats so as not to project from said brake disc to prevent said threaded pin from being able to interfere with the coupling between said brake disc and said connection flange .
    [0005]
    Assembly according to claim 1, characterized in that: said coupling portion (8) of said connection flange disk (1) forms a seat (42) suitable for receiving said drum flange (26); and said coupling portion (8) of the disc is radially internally defined by a guide edge (43) of the disc to guide and center said drum connection flange (26).
    [0006]
    A set according to claim 1, characterized by; said rim coupling portion (15) of said connecting flange (1) forms a rim seat (44) suitable for receiving a portion of a rim flange (45); and said rim coupling portion (15) is radially internally defined by an edge of the rim (46) to guide and center the rim flange (45).
    [0007]
    7. Assembly according to claim 1, characterized by: said assembly further comprises a wheel rim (2) and the fact that said rim (2) comprises a channel (48) suitable for cooperating with a tire and a rim flange (45) suitable for connecting said channel (48) with said rim flange (45); and said rim flange (45) is equipped with the rim through the openings (47) to evacuate the coolant.
    [0008]
    8. Assembly comprising; a connecting flange (1) and a brake disc (3), characterized in that said brake disc (3) has a brake band (22) and a drum (25), said drum having an outer surface of the drum (49), said drum (25) being suitable for receiving a bearing (11) inside said drum, said brake disc (3) being arranged between the bearing (11) and said connection flange (1) and in that said connection flange (1) comprises an inner ring (5) coupled with said brake disc (3) and an outer ring (12) capable of being coupled with a wheel rim (2), said flange connecting connection (1) also comprising an intermediate portion (18) that has through openings (19), each through opening (19) comprising a portion of the radially internal edge (21), which is positioned radially internal on said outer surface of the drum in a point at which said inner ring of said connection flange (1) is coupled to said drum.
    [0009]
    Assembly according to claim 8, characterized in that: said external surface (49) of the drum is an external surface of an edge of the drum (30) and a connecting portion between the flange of the drum (26) and a portion drum body, which connects said drum flange to said brake band (22); and said entire outer surface (49) is disposed radially outside said portions of the edge (21) radially innermost of said through openings.
    [0010]
    10. Method comprising: assembling a disk flange assembly on a bearing, characterized by comprising the steps of: providing an assembly as defined in claim 1; mount the brake disc (3) on the bearing, inserting the bearing inside the brake disc drum until the drum connection flange is placed in contact with the bearing; align a seat (51) to a threaded pin (50) and firmly connect the brake disc to the bearing; assemble the connection flange (1) by coupling its inner flange ring (5) with the brake disc; and firmly connect the connection flange to the brake disc and the bearing using the connection means of the disc flange bearing (10).
    [0011]
    Method according to claim 10, characterized in that said method also comprises the step of connecting a wheel rim to the connection flange, comprising the steps of: fitting the rim flange to the outer ring of the connection flange (1) ; firmly connect the ring and the connection flange (1) through the connection means (17) of the flange and ring.
    [0012]
    Method according to claim 11, characterized in that the method comprises the steps of replacing a worn brake disc (3), comprising the steps of: preventing the rim (2) from being decoupled from the connection flange (1) ; prevent the connection means of the disc flange bearing (10) from being disconnected by separating the connection flange (1) from the brake disc (3); subsequently, disconnect the brake disc (3) from the bearing (11) by unscrewing the grub screws (50); and remove the worn disc (3) from the bearing.
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    同族专利:
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    EP3181937A3|2017-10-11|
    RU2014118608A|2015-11-20|
    CN103987986A|2014-08-13|
    EP3181937A2|2017-06-21|
    CN103987986B|2017-08-04|
    RU2581284C2|2016-04-20|
    ITMI20111857A1|2013-04-13|
    EP2751443B1|2017-12-27|
    WO2013054280A1|2013-04-18|
    EP2751443A1|2014-07-09|
    US9523403B2|2016-12-20|
    BR112014009025A2|2017-05-02|
    EP3181937B1|2020-07-15|
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    法律状态:
    2018-12-11| B06F| Objections, documents and/or translations needed after an examination request according art. 34 industrial property law|
    2020-06-16| B06U| Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure|
    2021-01-05| B09A| Decision: intention to grant|
    2021-03-09| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 11/10/2012, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    IT001857A|ITMI20111857A1|2011-10-12|2011-10-12|ASSEMBLY OF A FLANGE CONNECTING TO A RIM WHEEL AND BRAKING DISC|
    ITMI2011A001857|2011-10-12|
    PCT/IB2012/055508|WO2013054280A1|2011-10-12|2012-10-11|Assembly connection flange and brake disc|
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