• 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:
    A method of producing a device (1) for damping torsional oscillations, comprising: - a support (2) able to move in rotation around an axis (X), - at least one pendulum body comprising: a first and a second pendular mass (20, 21) axially spaced relative to each other and movable relative to the support (2), the first pendulum mass (20) being arranged axially on a first side of the support (2) and the second pendulum mass (21) being arranged axially on a second side of the support (2), and at least one connecting member (6) matching said pendulum masses (20, 21), and - at least one rolling member (4) cooperating on the one hand with the pendulum body and on the other hand with the support (2), so as to guide the displacement of the pendular body relative to the support (2), in which method the support (2) using a sheet metal in which material has previously been cut for r perform at least one of the rolling member (4) and the connecting member (6).
    公开号:FR3035697A1
    申请号:FR1553872
    申请日:2015-04-29
    公开日:2016-11-04
    发明作者:Roel Verhoog；Giovanni Grieco
    申请人:Valeo Embrayages SAS；
    IPC主号:
    专利说明:

    [0001] The present invention relates to a device for damping torsional oscillations, in particular for a motor vehicle transmission system.
    [0002] In such an application, the torsion oscillation damping device may be integrated with a torsion damping system of a clutch capable of selectively connecting the heat engine to the gearbox, in order to filter the vibrations due to motor acyclisms. Alternatively, in such an application, the torsional oscillation damping device may be integrated with a component of the motor vehicle such as a friction disc of the clutch or a hydrodynamic torque converter. Such a device for damping torsional oscillations conventionally employs a support and one or more pendular bodies movable relative to this support, the displacement relative to the support of the pendular bodies being guided by rolling members cooperating with one another. part with bearing tracks secured to the support, and secondly with rolling tracks secured to the pendular bodies. Each pendulum body comprises for example two pendular masses matched to each other by means of connecting members and arranged on each side of the support. These different pieces are from starting pieces, including separate sheets. Falls, for example, related to cutting windows are lost and unusable. The method of producing such a device is therefore expensive, especially in terms of material, and complex to achieve. There is therefore a need to remedy all or some of the disadvantages mentioned above. The invention aims to meet this need and it achieves this, according to one of its aspects, using a method for producing a device for damping torsional oscillations, comprising: - a support adapted to move in rotation about an axis, - at least one pendular body comprising: first and second pendular masses axially spaced relative to one another and movable relative to the support, the first pendulum mass being disposed axially on a first side of the support and the second pendulum mass being arranged axially on a second side of the support, and at least one connecting member of the first and second pendulum masses matching said masses, and - at least one rolling member cooperating on the one hand with the pendulum body and on the other hand with the support, so as to guide the displacement of the pendular body relative to the support.
    [0003] In this method, the support is made using a sheet in which material has previously been cut to produce at least one of the rolling member and the connecting member. Such a method makes it possible to save material, since the support and at least one other part of the device come from the same sheet. Such a method makes it possible to pool the sheet metal of the support for the production of several pieces, unlike the prior art in which the manufacture of each piece requires the use of a specific starting piece. A torsion oscillation damping device produced according to this method is therefore economical compared to the devices of the prior art. The sheet may be metallic, being in particular alloy steel for heat treatment, for example a 16MCr5 carbonitrided steel or a steel type 10006. For the purposes of the present application: - "axially" means "parallel to the axis of rotation of the support ", 15 -" radially "means" along an axis belonging to a plane orthogonal to the axis of rotation of the support and intersecting that axis of rotation of the support ", -" angularly "or" circumferentially "means" around of the axis of rotation of the support ", -" orthoradially "means" perpendicular to a radial direction ", and -" integral "means" rigidly coupled ".
    [0004] When producing the torsion oscillation damping device, the support may comprise at least one window obtained by cutting the material of the sheet, in which the connecting member is received. At least one of the rolling member and the connecting member can be made from the material thus cut to obtain the window. This method of realization can therefore make it possible to use the sheet metal drops resulting from the cutting of the window and unused in the prior art. Alternatively, each of the rolling member and the connecting member may be made from the cut material to obtain the window. In another variant, only the connecting member may be made from the cut material. In another variant, only the rolling member can be made from the cut material.
    [0005] The cutout defining the window may have a closed contour. The rolling member may be made from material resulting from a cut in the support other than the cutout defining the window. This cutout, forming a cavity, is for example arranged radially inwardly with respect to the cutout defining the window. The connecting member may also be made from a cutout in the support other than the cutout defining the window.
    [0006] This cutout other than that defining the window can take the form of the guide member and / or the connecting member, so only a cutting operation of the support is necessary to achieve one of said bodies. According to an exemplary implementation of the invention, the rolling member is also received in the window, the rolling member cooperating with: a running track secured to the support and defined by an edge of the window and a running track secured to the pendulum body and defined by the connecting member. As a variant, the rolling tracks are not defined directly by the edge of the window and by the connecting member, but may be defined by coatings deposited on the edge of the window and / or on the connecting member. Each running member can then be urged only in compression between the rolling tracks mentioned above. The integral bearing tracks of the support and the running tracks integral with the pendular body and cooperating with the same rolling member may be at least partially radially opposite, that is to say that there are plans perpendicular to the axis of rotation in which these raceways both extend. The device for damping torsional oscillations may comprise two distinct running members cooperating with the same connecting member, the latter defining for each rolling member a clean raceway.
    [0007] Each of the two rolling members can be made from the cut material to obtain the window. In all of the above, the sheet from which the support is made may be in the form of a plate having two opposite faces of the same shape. Reliefs of the same shape may be provided on each opposite face of the plate. These reliefs can form recesses and / or protuberances on each face of the plate. From one face opposite to the other of the plate, these reliefs can be aligned axially. Such reliefs on the opposite faces of the plate can be obtained by stamping, the reliefs can be formed by plastic deformation of the plate. The reliefs on the two opposite faces of the plate can be obtained simultaneously by a single stamping operation. The reliefs formed on each face may be identical, including a hollow surrounded by a bead. Alternatively, these reliefs may be of different shape on each opposite face of the plate. In other words, the plate may have an asymmetric shape in a plane containing the axis of rotation of the support, for example, a protrusion formed on one face of the plate, and a recess provided on the opposite face or vice versa. In another variant, only one of the two faces of the plate has a relief, in particular a protuberance formed by adding material to the plate, in particular by welding or gluing.
    [0008] The rolling member can be made from the plate on opposite sides of which reliefs of different shape are formed. The rolling member can therefore have an asymmetrical shape in a plane containing its axis of revolution. For example, one of the front faces of the rolling member may define a protrusion, including a pin, while the opposite end face of the rolling member 10 may define a recess. A groove may be formed in the pendular mass axially opposite said pin and may then cooperate with the pin. This cooperation can give a "captive" character to the running gear, especially when starting or stopping the engine of the vehicle. Around the pin, a plate may be arranged opposite the pendulum mass in which is formed the groove. This plate may be adapted to come into contact with the pendulum mass in order to limit the size of the surfaces of the mass and of the rolling member capable of coming into axial contact with one another. These axial contacts can occur during relative movements of the pendular masses and / or the rolling member relative to the support. In other words, the friction between the pendulum and the rolling member is limited.
    [0009] Another limitation of the friction can be obtained when the rolling member is made from the plate on opposite sides of which reliefs of identical shape are formed. The rolling member may therefore have a symmetrical shape in a plane containing its axis of revolution. These reliefs being opposite the masses, they thus make it possible to limit the axial contacts between each of the two pendulum masses and the rolling member. These reliefs can replace the axial interposition pieces known from the prior art, also called "pads" and made of plastic. This further reduces the number of separate starting pieces necessary for the realization of the device. In all the foregoing, each pendular mass of the pendular body may have a first face facing the other pendulous mass, each of these first faces being able to project locally in the direction of the other of the first faces facing the member. connecting to allow the attachment of each pendulum mass to the connecting member via these projections. These projections can be made by stamping the pendulum masses. The pendulum masses and the connecting member may be riveted, alternatively the pendulum masses may be welded to the connecting member.
    [0010] Each first face of the pendular masses may also project locally in the direction of the other pendular mass and facing the rolling member. These projections facing the rolling member may also be made by stamping the pendular masses.
    [0011] These projections make it possible to prevent the surfaces of the pendular masses and of the rolling member from coming into contact during relative movements of the pendulum masses and of the rolling member relative to the support. These projections may be formed so as to be permanently opposite the guide member.
    [0012] These projections also make it possible to dispense with additional parts arranged on the pendular masses, such as pads, to avoid friction. In all the above, each cut can be obtained by cutting the sheet according to conical surfaces. The running gear can therefore have a conical bearing surface. By surface or a conical track is meant here a surface which, when traversed in an axial direction, describes a non-zero radial component line. In addition, the bearing tracks integral with the support and the pendular body may describe an angle with an axis parallel to the axis of rotation between 0.05 ° and 5 ° in particular equal to 0.5 °. The running gear, the connecting member and the window can describe conical surfaces that describe the same angle with the axis of rotation and are oriented so that the contacts between the rolling tracks and the rolling member are linear. In all of the above, the shape of the rolling tracks may be such that the pendulum bodies are only displaced relative to the support in translation about a fictitious axis parallel to the axis of rotation of the support. As a variant, the shape of the rolling tracks may be such that the pendular bodies are displaced with respect to the support both: in translation about a notional axis parallel to the axis of rotation of the support, and also in rotation about the center of gravity of said pendulum body, such a movement being again called "combined movement" and disclosed for example in the application DE 10 2011 086 532.
    [0013] The device for damping torsional oscillations may comprise at least one interposition piece of which at least a part is radially arranged, in one of the windows, between the support and the pendular body, in particular between the support and the support member. link. The interposition piece can be held axially by the pendular masses of the pendulum body, the interposition piece cooperating with openings in each mass. The interposition piece 35 can thus limit the radial displacement of the pendular body relative to the support, thus avoiding the fall of the pendulum body and the shocks between said parts, for example, when the engine is stopped or in case of low speed of the latter. The interposition piece is in particular made of a damping material, such as plastic or rubber. The device comprises for example several pendular bodies, for example a number between two and eight, including three or six pendulous bodies. Each pendulum body can cooperate with two rolling members each received in a window, each window being specific to a rolling member. In a variant, each pendular body may cooperate with two rolling members each received in the same window.
    [0014] Another object of the invention is, according to another of its aspects, a device for damping torsional oscillations obtained by means of the method as described above. The invention further relates, in another of its aspects, a component for a transmission system of a motor vehicle, the component being in particular a double damping flywheel, a hydrodynamic torque converter or a friction disk, in which is Incorporated a torsion oscillation damping device as defined above. The support of the torsion oscillation damping device can then be one of: - a component web, - a component guide washer, - a component phasing washer, or - a separate element of said web , said guide ring and said phasing washer and rotatably connected to one of the aforementioned elements. The invention further relates, in another of its aspects, to a method of producing a device for damping torsional oscillations, comprising: a support able to move in rotation about an axis, at least one pendular body, and at least one rolling member cooperating on the one hand with the pendulum body and on the other hand with the support, so as to guide the displacement of the pendulum body with respect to the support, in which process the support is made using a sheet in which material has previously been cut to produce the rolling member and / or the pendulum body.
    [0015] The invention also relates to the device made using the above method. All or some of the features mentioned above apply to this other aspect of the invention. The invention will be better understood on reading the following description of nonlimiting examples of implementation thereof and on examining the appended drawings, in which: FIG. 1 schematically represents a portion of a damping device according to an embodiment of the method of the invention, - Figure 2 schematically shows a portion of the torsion oscillation damping device according to a second mode of implementation. 3 shows schematically a part of a first example of the device for damping torsional oscillations; FIG. 4 is a diagram showing in part the device of FIG. 3; in a section AA, - Figure 5 shows schematically and partly another example of the device 10 for damping torsional oscillations, - Figure 6 shows schematically and partly the device of the f Fig. 5 in a section BB; Fig. 7 shows schematically and in part another example of the torsional oscillation damping device; Fig. 8 shows schematically the device of Fig. 7 in a section CC; FIG. 9 schematically represents one of the pendulum masses of the device of FIG. 7; - FIG. 10 schematically and partly shows another example of a device for damping torsional oscillations; FIG. 11 schematically represents the device of FIG. according to a section DD, FIG. 12 schematically represents in detail one of the pendulum masses of the device of FIG. 11; FIG. 13 schematically represents the method of producing a running gear according to a first variant; FIG. 14 schematically represents the method of producing the rolling member 25 according to a second variant and FIG. ematically and partially an example of the method for producing the device for damping torsional oscillations according to the invention FIG. 1 is a schematic and partly a device 1 for damping oscillatory oscillations of the oscillating oscillator type suitable for to equip a system 30 for transmitting a motor vehicle comprising a heat engine including three or four cylinders. The device 1 is for example integrated with a not shown component of such a transmission system such as a double damping flywheel of a clutch, a hydrodynamic torque converter or a friction disk.
    [0016] As is known, such a component may comprise a torsion damper having at least one input element, at least one output element, and circumferentially acting resilient return members which are interposed between said input elements and Release. For the purposes of the present application, the terms "inlet" and "outlet" are defined with respect to the direction of torque transmission from the engine of the vehicle to the wheels of the latter. The device 1 comprises in the example under consideration: a support 2, generally in the shape of a ring, able to move in rotation about an axis X, and a pendular body comprising two connecting members 6, also called " spacers ", only 10 elements of the pendulum body shown in Figure 1. As will be seen in the other figures, the spacers 6 are two pendular masses of the pendulum body. - Two rolling members 4 cooperating with the pendulum body 3 and with the support 2. The device comprises for example 3 pendular bodies distributed regularly around the periphery of the support 2.
    [0017] As will be seen later, the support 2 of the damping device 1 is made using a sheet and it can be: - a veil of the component, - a guide washer of the component, - a washer phasing the component, or 20 - a separate element of said web, said guide ring and said phasing washer and rotatably connected to one of the aforementioned elements. The support 2 comprises windows 9 with closed contour, obtained by cutting the sheet, angularly offset relative to each other, in each of which are received a spacer 6 and a rolling member 4. Each window 9 is associated with a spacer 6 and a rolling member 4, each pendulum body 3 is then associated with two windows 9. In each of the windows 9, the rolling members 4 cooperate on the one hand with the support 2 by a rolling track 12, defined by a radially outer edge 13 of the window 9 and on the other hand with the pendulum body 3 by a rolling track 14, defined by one of the spacers 6 so as to guide the displacement of the pendulum body 3 relative to the support 2.
    [0018] The rolling tracks 12 and 14 extend in the same plane perpendicular to the axis X. FIGS. 1 and 2 show two devices 1 made according to two different modes of implementation of the method of the invention. In Figure 1, there is shown the device 1, each bearing member 4 and each spacer 6 were made from the cut material to obtain the windows 9 35 prior to the realization of the support 2.
    [0019] In Figure 2, only the spacers 6 were made from cut material to obtain the windows 9. The rolling members 4 were made from material resulting from cuts in the support 2, these cuts forming cavities 10 different from those that define windows 9.
    [0020] The cavities 10, whose shape is identical to that of the guide members 4, are radially internal with respect to the windows 9 of the support 2. Diagrammatically and partly, FIGS. 3 and 4 show the device 1, for which only the spacers 6 are made from the material obtained by cutting the windows 9. The rolling members 4 are made from material other than the material cut in the sheet. The rolling members 4 have indeed a constant axial thickness and greater than the thickness of the support 2. In addition to the spacers 6, each pendulum body 3 comprises a first 20 and a second 21 pendular masses. These first and second pendulum masses 20, 21 are arranged axially on each side of the support 2 and they are matched to one another by the spacers 6. As shown in FIG. 3, the running track 12 is defined by a central part of the edge radially outer 13 of the window 9. This central portion is flanked by two parts 15 and all three of them define the entire radially outer edge 13. The central portion is the radially outermost part of the edge 13 radially furthest from the X axis. Each portion 20 of the radially outer edge 13 has an arcuate shape and the curvature of the central portion is greater than that of the portions 15. As shown in Figure 3, the window 9 also has two side edges 16 and a radially inner edge 17. The substantially rectilinear lateral edges 16 converge towards each other as they approach the X axis. The edge radially inner 17 has an arcuate shape. The first pendulum mass 20 has a first face 22 facing a first face 23 of the second pendulum mass 21 and each of these first faces 22, 23 is locally projecting towards the other of the first faces 22, 23. These projections 24 , for example made by stamping the pendular masses 20, 21, are in contact with the spacers 6 to allow the fixing of each pendulum mass 20, 21 by welding. These projections 24 allow to create an axial space 70 between the support 2, the rolling member 4 and the pendular masses 20, 21. As seen in Figure 3, three pads 25, angularly offset, are arranged on the masses. pendulums 20, 21 of the same pendulum body 3 facing the support 2. These pads 25, circular in the plane of the figure, are rigidly secured to the pendulum mass 20, in particular by gluing. Two identical shoes 25 are arranged on each of the angular ends of the pendulum mass 20 while the third shoe 25, smaller than the other two, is arranged at an equal distance in an angular direction from the angular ends of the pendulum mass. 20. The third pad is also radially further from the X axis than the other two pads. By this specific arrangement, the pads 25 are always at least partially facing the support 2. Such pads 25 can also be arranged on the pendulum 21. These pads 25 thus make it possible to limit the friction between the pendular masses 20, 21 and the support 2 limiting the axial contacts between each of the first faces 22 and 23 of the pendular masses 20, 21 and the support 2.
    [0021] In the example considered, the device 1 also comprises an interposition piece 26 disposed in each of the windows 9, radially between the spacer 6 and the support 2. As shown in FIG. 4, the interposing members 26, identical to each other, are cylindrical and symmetrical with respect to a plane perpendicular to the axis X. A central portion 60 of each interposing member 26 is radially disposed between the support 2 15 and the pendulum body 3. Each interposition piece 26 is held axially by cooperation with apertures 27 of the pendular masses 20, 21. The central portion 60 is of greater diameter than the parts forming the ends of the interposing member 26 and cooperating with one Pendulum masses 20, 21. Still referring to FIG. 4, the pendulum masses 20, 21 each form a flange 61 for receiving the central portion 60 of the interposition members 26 and when the interposition member 26 comes into contact with the support 2, it deforms elastically and transmits a force to both the pendular masses 20, 21 and the spacer 6. In the example considered, each of the faces of the masses 20, 21 opposed to the first faces 22, 23 have a recess 71 and on which are formed the openings 27 and riveting openings for fixing the pendulum masses 20, 21 and the spacer 6. In the example considered each spacer 6 has a generally triangular shape in the plane of the figure. This spacer 6 has a radially outer edge 18, a part of which defines the rolling track 14 and two lateral edges 19 which converge towards each other when one approaches the X axis and form a housing 73 for receiving the interposition member 26. When torsional oscillations propagate in the component in which the device 1 is integrated, each pendulum body 3 moves from a rest position relative to the support 2. This rest position is the position in which the pendulum body 3 is subjected to a centrifugal force but not to acyclisms.
    [0022] This movement of the pendular bodies 3 is therefore performed when torsional oscillations propagate in the component in which the device 1 is integrated, this allows the filtration of these torsional oscillations. This displacement of the pendular bodies 3 and the filtration of the torsional oscillations are made possible when the rolling members 4 cooperate with the rolling tracks 12, 14 in a rolling movement. During a stopping of the thermal engine or in case of low speed of the latter, the spacers 6 can abut, by means of the interposition pieces 26, against a radially inner edge of the windows 9. The windows 9 and the interposition pieces 26 then prevent the radial fall of the pendulum body 3, and thus the noise and / or wear resulting therefrom. FIGS. 5 and 6 show schematically and in part an example of the device 1 produced according to the embodiment detailed in FIG. 2, for which the spacers 6 are made from the material obtained by cutting the windows. 9 while the rolling members 4 are made from material resulting from the different cuts of those which define the windows 9. Unlike the device 1 of Figure 3, the pendulum masses 20, 21 are matched to each other by welding projections 24 and spacers 6. The recesses 71 are aligned axially with the projections 24 and it is the stamping operation forming these projections 24 which causes the making of these withdrawals 71.
    [0023] Embossments 26 of the same shape are formed on each of the faces of each rolling member 4, these reliefs 26 are able to come into contact with the first faces 22, 23 of the first and second pendulum masses 20, 21 in order to limit contact. axial axes between each of the two pendulum masses 20, 21 and the rolling member 4. It can be seen in FIG. 6, these reliefs 26 take the form of a hollow 29 surrounded by a bead 28.
    [0024] These reliefs 26 act in addition to the pads 25 in order to limit the axial contacts between, on the one hand, the first faces 22, 23 of the pendular masses 20, 21, and, on the other hand, the support 2 and the support members. 4. The device 1 shown in FIGS. 7 to 9 differs from the device 1 of FIG. 5 in that each rolling member 4 is flat-faced and in that each pendulum mass 20, 21 projects in the direction of the other pendulum masses 20, 21 facing each of the rolling member 4. As shown in Figure 8, projections 30, such as the reliefs of the rolling member 4 of the device 1 of Figure 5, can limit the axial contacts between the first faces 22, 23 and the rolling member 24 during the relative movements of the pendulum masses 20, 21 and the rolling member 4. Like the projections 24, these projections 30 are made by stamping the 3035697 12 pendular masses 20, 21. This embroidery operation The tooling also causes the making of recesses 74 on the faces of the pendular masses 20, 21 opposite the first faces 22, 23 and aligned axially with the projections 30. FIG. 9 partially represents the pendulum mass 20 of the device 1 of the two preceding FIGS. As shown, the projection 24 has a shape substantially identical to the shape of the spacer 6 in a plane perpendicular to the axis X, while the projection 30 has an outwardly curved shape, a shape defined so that the projection is continuously facing the rolling member 4. Also shown in Figure 9, the openings 27, 33 formed in the oscillating mass 10 cooperating respectively with the interposing member 26 and with the pads 25. Finally, FIGS. 10 to 12 show another example of the device 1 according to the second embodiment of the method of the invention. In this device 1, at least one of the rolling members 4 has an asymmetrical shape in a plane containing its axis of revolution, one of the faces comprising a pin 35 surrounded by a plate 36 while the other faces of 15 the rolling member 4 defines a recess 37. As can be seen in Figures 11 and 12, a groove 38 is formed in the pendulous mass 20 facing the pin 35 and cooperates with said pin 35. This cooperation gives a character " captive "to the rolling member 4 for example during a start or a stop of the engine.
    [0025] The plate 37 is able to come into contact with the pendulum mass 20 in which the groove 38 is formed in order to make it possible to limit the axial contacts between the first face 22 of the pendulum mass 21 and the rolling member 24 during relative movements. of the pendulum masses 21 and the rolling member 4. The groove 38 has an outwardly curved shape as can be seen in Figure 12, this shape is defined so that the groove 38 is permanently facing of the rolling member 4 without, however, hindering its movement during normal operation of the device 1. In addition to the examples of the device 1 represented in the preceding figures, the spacers 6 and the rolling members 4 are obtained by cutting the windows 9 or cavities 30 along conical surfaces. These conical surfaces are related to the cutting process. These conical surfaces are particularly observable in FIG. 11 in which the surface of the rolling member 4, the rolling track 12 and the rolling track 14 are conical and oriented so that the contacts between these surfaces are plane, that is, represented by straight lines in the plane of the figure. Thus, in the plane of FIG. 11, the surface of the rolling member 4, the rolling track 12 and the rolling track 14 describe an angle A with an axis parallel to the axis X. This angle is example between 0.05 ° and 5 ° in particular equal to 0.5 °. As seen in FIG. 13, the sheet 5, from which the support 2 is made, is a plate having two opposite flat faces 40. Each face of the sheet 5 is stamped so that 5 is formed on each of the faces, the reliefs 26. These are identical and aligned axially. The sheet 5 is then cut to produce the rolling member 4 shown in FIG. 6, this cutout forms either the cavity 10 or the window 9. In a variant, the reliefs 26 formed on the sheet 5 of FIG. each of the opposite faces of the sheet 5. These reliefs 26 are obtained simultaneously by a single stamping operation on one of the two faces of the sheet 5, so as to form a protuberance on the opposite face. The sheet 5 is then cut to produce the rolling member 4. Finally, the steps of the method of producing the support 2 using the sheet 5 according to an exemplary embodiment of the invention will be described in FIG. invention. In step 100, the rolling member 4 is made as described in the two previous figures.
    [0026] Alternatively, the rolling member 4 is an insert. In step 200, the spacer 6 is made from the material that will be cut to obtain the window 9. Alternatively, the spacer 6 may be made from the material other than that in which the window will be cut. In step 300, the contour of the support 2 and the windows 9 are made by cutting the sheet 5.
    [0027] The invention is not limited to the various examples which have just been described.
    权利要求:
    Claims (16)
    [0001]
    REVENDICATIONS1. Method for producing a device (1) for damping torsional oscillations, comprising: - a support (2) able to move in rotation around an axis (X), - at least one pendulum body (3) ) comprising: a first and a second pendulum mass (20, 21) axially spaced relative to each other and movable relative to the support (2), the first pendulum mass (20) being disposed axially from a first side of the support (2) and the second pendulum mass (21) being arranged axially on a second side of the support (2), and at least one connecting member (6) matching said pendulum masses (20, 21), and - at least one rolling member (4) cooperating on the one hand with the pendulum body (3) and on the other hand with the support (2), so as to guide the displacement of the pendulum body (3) with respect to the support ( 2), in which method the support (2) is made using a sheet metal (5) in which material has previously been cut to achieve at least one of the rolling member (4) and the connecting member (6).
    [0002]
    2. Method according to claim 1, wherein the support (2) comprises at least one window (9) obtained by cutting the material of the sheet (5), in which the connecting member (6) is received, the at least one of the rolling member (4) and the connecting member (6) is made from the material thus cut.
    [0003]
    3. Method according to claim 1, wherein the rolling member (4) is also received in the window (9), the rolling member (4) cooperating with a raceway (12) integral with the support (2). ) and defined by an edge (13) of the window (9) and with a rolling track (14) integral with the pendulum body (3) and defined by the connecting member (6).
    [0004]
    4. Method according to claim 3, wherein two separate rolling members (4) cooperate with the same connecting member (6), the latter defining for each rolling member (4) a clean raceway.
    [0005]
    5. Method according to any one of claims 2 to 4, wherein the connecting member (6) and the rolling member (4) are each made from the material thus cut.
    [0006]
    6. Method according to any one of claims 2 to 4, wherein only the connecting member (6) is made from the cut material to produce the window (9).
    [0007]
    7. The method of claim 6, wherein the rolling member (4) is made from material resulting from a cut in the support (2) other than the cutout defining the window (9).
    [0008]
    8. The method of claim 1, wherein the support (2) comprises: at least one window (9) obtained by cutting the material of the sheet (5), in which the connecting member (6) is received; ), and - at least one cavity (10) obtained by cutting the material of the sheet, distinct from the window (9) in which the rolling member (4) is received, at least one of the member link (6) and the rolling member (4) being made from the cut material during the formation of the window (9) and / or from the cut material during the formation of the cavity ( 10).
    [0009]
    9. A method according to any one of claims 1 to 9, the sheet (5) is in the form of a plate having two opposite faces (40) of the same shape. 10
    [0010]
    10. The method of claim 10, the reliefs (26) of the same shape being formed on each opposite face (40) of the plate.
    [0011]
    11. Method according to any one of claims 10, reliefs (26) of different shape being formed on each opposite face (40) of the plate.
    [0012]
    12. The method of claim 10 or 11, wherein the rolling member (4) is made from the plate on the opposite faces (40) of which reliefs (26) of different shape are formed, the one of the faces of the rolling member (4) defining a pin (35) while the opposite face of this rolling member defining a recess (37), a groove (38) cooperating with said pin (35) being formed in the pendulum mass (20) axially facing said pin (35). 20
    [0013]
    13. A method according to any one of the preceding claims, wherein each pendulum mass (20, 21) of the pendulum body (3) has a first face (22, 23) facing the other pendulum mass (20, 21), each of these first faces (22, 23) projecting locally (24) towards the other pendulum mass (20, 21) and being fixed to the connecting member via this projection (24). 25
    [0014]
    14. A method according to any one of the preceding claims, wherein each pendulum mass (20, 21) of the pendulum body (3) has a first face (22, 23) facing the other pendulum mass (20, 21), each of these first faces (22, 23) projecting locally (30) in the direction of the other mass (20, 21) pendular and facing the rolling member (4). 30
    [0015]
    15. Method according to any one of the preceding claims, each cut is obtained by cutting the sheet (5) along conical surfaces.
    [0016]
    16. Device (1) for damping torsional oscillations obtained by means of the method according to any one of the preceding claims.
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    同族专利:
    公开号 | 公开日
    WO2016174342A1|2016-11-03|
    FR3035697B1|2019-11-29|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    WO2014019582A1|2012-07-31|2014-02-06|Schaeffler Technologies AG & Co. KG|Roller for a pendulum mass of a centrifugal force pendulum|
    DE102014113021A1|2013-09-10|2015-03-12|Valeo Embrayages|Device for vibration damping|
    FR3010467A1|2013-09-10|2015-03-13|Valeo Embrayages|VIBRATION ABSORPTION DEVICE|EP3580472A4|2017-02-10|2020-12-30|Nanjing Valeo Clutch Company|Device for damping torsional oscillations|
    FR3113102A1|2020-07-31|2022-02-04|Valeo Embrayages|Pendulum damping device|WO2012079557A1|2010-12-15|2012-06-21|Schaeffler Technologies AG & Co. KG|Centrifugal force pendulum and clutch disc having the same|FR3067080B1|2017-06-06|2020-06-26|Valeo Embrayages|PENDULUM DAMPING DEVICE|
    FR3075297A1|2017-12-20|2019-06-21|Valeo Embrayages|PENDULAR DAMPING DEVICE AND METHOD OF MAKING SAME|
    法律状态:
    2016-04-28| PLFP| Fee payment|Year of fee payment: 2 |
    2016-11-04| PLSC| Search report ready|Effective date: 20161104 |
    2017-04-28| PLFP| Fee payment|Year of fee payment: 3 |
    2018-04-26| PLFP| Fee payment|Year of fee payment: 4 |
    2019-04-29| PLFP| Fee payment|Year of fee payment: 5 |
    2020-04-30| PLFP| Fee payment|Year of fee payment: 6 |
    2021-04-29| PLFP| Fee payment|Year of fee payment: 7 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1553872|2015-04-29|
    FR1553872A|FR3035697B1|2015-04-29|2015-04-29|METHOD FOR PRODUCING A TORSION OSCILLATION DAMPING DEVICE|FR1553872A| FR3035697B1|2015-04-29|2015-04-29|METHOD FOR PRODUCING A TORSION OSCILLATION DAMPING DEVICE|
    PCT/FR2016/050978| WO2016174342A1|2015-04-29|2016-04-26|Method for producing a device for damping torsional oscillations|
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