EP2100053A1 - Amortisseur de vibrations de torsion pourvu de patins d'extrémité et ensemble transmission comprenant un tel amortisseur de vibrations de torsion - Google Patents

Amortisseur de vibrations de torsion pourvu de patins d'extrémité et ensemble transmission comprenant un tel amortisseur de vibrations de torsion

Info

Publication number
EP2100053A1
EP2100053A1 EP07819815A EP07819815A EP2100053A1 EP 2100053 A1 EP2100053 A1 EP 2100053A1 EP 07819815 A EP07819815 A EP 07819815A EP 07819815 A EP07819815 A EP 07819815A EP 2100053 A1 EP2100053 A1 EP 2100053A1
Authority
EP
European Patent Office
Prior art keywords
shoe
torsional vibration
vibration damper
primary
spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP07819815A
Other languages
German (de)
English (en)
Inventor
Jochen Bölling
Christian Bernhard Halm
Till Martin Lutz Ebner
Volker Heinz
Michael Wilhelm SCHÄFER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BorgWarner Inc
Original Assignee
BorgWarner Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BorgWarner Inc filed Critical BorgWarner Inc
Publication of EP2100053A1 publication Critical patent/EP2100053A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
    • F16F15/123—Wound springs
    • F16F15/1232—Wound springs characterised by the spring mounting
    • F16F15/1234—Additional guiding means for springs, e.g. for support along the body of springs that extend circumferentially over a significant length
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
    • F16F15/123—Wound springs
    • F16F15/1232—Wound springs characterised by the spring mounting
    • F16F15/12326—End-caps for springs

Definitions

  • the present invention relates to a torsional vibration damper with a primary element having at least one Primärmit alone, a secondary element with at least one Sekundärmit luxury, at least one spring means between the Primärmit recruiting and the Sekundärmit leisure for resilient coupling of primary element and secondary element and at least one end shoe, which is arranged at the end of the spring means, wherein the primary member is rotatable relative to the secondary member from a neutral position to a first position in which the primary dog is supported only on the spring means, and further from the first position to a second position in which the primary dog is supported on the spring means and the end shoe is.
  • the present invention further relates to a drive train with such a torsional vibration damper.
  • torsional vibration damper Different torsional vibration dampers are known from the prior art, which are also referred to as torsional vibration damper or dual mass flywheels.
  • the known torsional vibration dampers are used in particular in motor vehicle construction for the elastic coupling of internal combustion engine and drive train. In this way, it is intended to prevent torsional vibrations from the internal combustion engine be transmitted to the drive train or the transmission.
  • Such a transmission is given especially in internal combustion engines with relatively few cylinders and at low speeds. With effective damping of such vibrations, the internal combustion engine can be operated at lower speeds, which generally results in reduced fuel consumption.
  • DE 199 58 814 A1 describes a torsional vibration damper in the form of a dual-mass flywheel.
  • the known torsional vibration damper has a central disk element with a plurality of support arms arranged on the circumference and a further disk element which is composed of two cover disk elements on which
  • the spring devices consist of a plurality of circumferentially arranged behind one another spring elements.
  • the known torsional vibration damper ensures by its spring means, in which the spring element is initially applied directly by the support arm and then indirectly via the end shoe with pressure that the damping function starts gently. Also, this can reduce the fürgabge syndrome at a pull / push change, which arise when hitting the Abstützarmes on the shoe.
  • the disadvantage is that the initial damping effect does not turn out strong enough when the support arm is subjected to a particularly large torque. In this case, transfer noise still occurs when the support arm hits the end shoe. Furthermore, severe wear or abrasion occurs on the shoe, which among other things leads to contamination of the oil within the torsional vibration damper.
  • EP 1584839 A1 proposes a torsional vibration damper, in which the end shoe is designed such that the torque is transferred exclusively directly from a primary driver or support arm to the spring element of the spring device.
  • the primary driver is no longer supported on the shoe. In this way, the transfer noise is indeed reliably reduced, but this can lead to problems in the leadership of the shoe in the circumferential direction.
  • the invention is also based on the object to provide a drive train with such a torsional vibration damper.
  • the torsional vibration damper comprises a primary element with at least one Primärmit clergy, a secondary element with at least one Sekundärmit luxury, at least one spring means between the Primärmit recruiting and Sekundärmit leisure for resilient coupling of primary element and secondary element and at least one end shoe, which is arranged at the end of the spring means.
  • the primary element is to be understood as the element associated with the input side of the torsional vibration damper, such as the motor
  • the secondary element refers to the element associated with the output side, such as the transmission.
  • the invention also includes embodiments in which the primary element is assigned to the output side and the secondary element is assigned to the input side.
  • end shoes may be provided, which are arranged on the end faces of the spring devices facing the primary driver.
  • the spring devices may, for example, consist of a plurality of circumferentially behind consist of arranged spring elements or spring sets.
  • the primary element may be rotated relative to the secondary element from a neutral position to a first position in which the primary driver is supported only on the spring device. This means that the primary catch in the first position is not yet supported on the end shoe.
  • the primary member may be further rotated relative to the secondary member from the first position to a second position in which the primary dog is supported on the spring means and the end shoe.
  • the end shoe and / or the primary driver are designed such that the torque of the torsional vibration damper in the first and second positions of the primary element is transmitted exclusively directly between the primary driver and the spring device.
  • the torsional vibration damper according to DE 199 58 814 Al By the torques are transmitted only directly between the Primärmit Vietnamese and the spring device, while no indirect transmission via the shoe, as z. B. in the torsional vibration damper according to DE 199 58 814 Al is the case, the load on the shoe and thus the wear and the abrasion of the shoe is low. Also, the shoe can be made with less stability, for example, by beads or cavities are provided in the shoe, which reduce its weight, without causing a deformation of the shoe. In addition, the torsional vibration damper according to the invention ensures a reduction of the transfer noise during a pull / push change, since the primary driver initially strikes the spring device and only then the end shoe.
  • the primary driver does not transmit torques to the spring device via the end shoe, but is nevertheless supported on the end shoe in the second position, there is also one safe guidance of the shoe through the Primärmit Meeting and thus ensures the function of the shoe.
  • the Primärmit Meeting an excessive distance between the end shoe and the spring device compressed by the primary driver is avoided, since the end shoe can be carried along by the primary driver in the direction of the spring device.
  • the primary driver has a first section for support on the spring device and a second section for support on the end shoe. So z.
  • the first portion in the first and second positions of the primary element are supported on the spring device to apply pressure thereto, while the second section can be supported on the end shoe in the second position of the primary element.
  • First and second section may be formed integrally, for example.
  • the second section is arranged radially outward on the first section.
  • the second section is arranged set back relative to the first section with respect to the circumferential direction. Since the Primärmit counselor could act in both directions of rotation on corresponding end shoes, the second portion can be arranged both with respect to the one circumferential direction and relative to the other circumferential direction relative to the first section.
  • the end shoe has a recess for the contactless entry or passage of the first section of the primary driver. In this way it is ensured that the first section of the primary driver is not adjacent to the end shoe. The recess also leads to a low weight of the shoe.
  • the recess in the circumferential direction is continuous, preferably groove-shaped.
  • the second portion of the Primärmit supplements can be supported on an end face of the shoe. Under an end face in this case is that side at one end of the shoe to understand, which has in a circumferential direction. In this way, the second portion of the Primärmit influencess abuts the end shoe, whereas the first portion is guided without contact in or through the recess.
  • the end shoe has at least one support part for supporting the spring device on the end shoe.
  • This may be, for example, a transverse to the circumferential direction in the radial direction extending support member.
  • the support member provides z. B. sure that the end shoe is driven by the expanding spring means back towards the Primärmit ceremonies.
  • the end shoe further comprises a circumferentially extending sliding member for sliding support of the end shoe, on which the support member is arranged.
  • the sliding part may be guided on an outer annular wall of the secondary element and have a corresponding radially outwardly facing sliding surface.
  • the support part is designed such that the spring device is supported only in the direction of the Primärmit disorders on the support member.
  • the end shoe can be displaced by the expanding spring means in the direction of the Primärmit ceremonies, while a displacement of the shoe in the direction of the spring means by the Primärmitauer or its second section takes place.
  • the end shoe need not be attached to the spring device, for example to an end-side spring element thereof, whereby the end shoe can be constructed more simply and an assembly step in assembling the torsional vibration damper is eliminated.
  • the spring device has at least two circumferentially successively arranged spring elements, between which a sliding shoe is arranged, wherein between the sliding block and the end shoe a distance limiting device for limiting the maximum distance in the circumferential direction between the sliding block and the end shoe is provided.
  • a distance limiting device for limiting the maximum distance in the circumferential direction between the sliding block and the end shoe is provided.
  • the spring element is relaxed between the shoe and the shoe when the maximum distance between shoe and shoe is reached. In this way, a compact construction of the spring device is achieved, while a bias of the spring element between the shoe and shoe is prevented, which would lead to a permanent load on the distance limiting device.
  • the end shoe and / or the sliding shoe on a support surface for the radial support of the adjacent spring element.
  • the end shoe and / or the secondary catch are designed such that the end shoe is not supported on the secondary catch in any position.
  • the shoe does not hit the secondary cam, which reduces wear on the shoe.
  • the combination with the aforementioned distance limiting device is particularly useful to limit the movement of the shoe.
  • the drive train according to the invention for a motor vehicle has a torsional vibration damper according to the invention of the type described above.
  • the primary element of the input side and the secondary element of the output side of the torsional vibration damper (2, 84) is assigned or vice versa.
  • the primary element may for example be associated with the crankshaft of the internal combustion engine, whereas the secondary element may be associated with a transmission input shaft. The reverse would be the case with the second alternative.
  • FIG. 1 is an exploded perspective view of a first embodiment of the torsional vibration damper according to the invention
  • FIG. 2 is a partial, schematic front view of the torsional vibration damper of Figure 1 in a sectional view with the primary element in a first position.
  • Fig. 3 shows the torsional vibration damper of
  • FIG. 5 is a perspective view of the end shoe of FIGS. 1 to 4, 6 is an exploded perspective view of a second embodiment of the torsional vibration damper according to the invention,
  • FIG. 7 is a partial, schematic plan view of the torsional vibration damper of FIG. 6 in a sectional view with the primary element in a neutral position, FIG.
  • FIG. 1 shows an exploded perspective view of a first embodiment of the torsional vibration damper 2 according to the invention.
  • the torsional vibration damper 2 has a motor-side primary element 4 in the form of a middle plate 6 and a secondary element 8 on the transmission side, the latter consisting of a front side plate 10 and a rear side Side Window 12 composed, which are rotatably connected to each other.
  • the primary element 4 is assigned to the input side and the secondary element 8 is assigned to the output side of the torsional vibration damper 2; notes that the primary element 4 could also be assigned to the output side or to the engine, while the secondary element 8 could be assigned to the input side or to the transmission.
  • the primary element 4 in the form of the middle plate 6 has two drivers, which are referred to below as Primärmit profession 14, 16 and are arranged opposite one another on the outer circumference of the central disc 6.
  • two drivers are also provided, which are hereinafter referred to as Sekundärmit music 18, 20.
  • the secondary drivers 18 and 20 are also made up of a front part 22 on the front side window 10 and a rear part 24 on the rear side window 12 and of a front part 26 on the front side window 10 and a rear part 28 on the rear side Side window 12 together.
  • Primary and secondary followers 14, 16, 18, 20 are preferably integrally formed with the primary or secondary element 4, 8.
  • annular space 30 is formed in the assembled state.
  • two spring means 32, 34 are provided between the primary and Sekundärmit counseling 14, 16, 18, 20, which serve the spring-elastic coupling of primary element 4 and secondary element 8.
  • the spring devices 32, 34 have a plurality of circumferentially successively arranged spring elements 36, 38, which are preferably formed as coil springs. Instead of a single spring element 36, 38 would also be a spring set in question, which comprises a plurality of spring elements which are arranged one inside the other.
  • the spring elements 36 are end-side spring elements 36, the front side directly to the Pri marching and Sekundärmit researching 14, 16, 18, 20 may be adjacent. Of these, the intermediate spring elements 38 are to be distinguished, which are not adjacent to any primary or Sekundärmit researching 14, 16, 18, 20.
  • the spring devices 32, 34 further comprise sliding shoes 40, which are arranged on the front side between the spring elements 36, 38.
  • the so-called end shoes 42 are to be distinguished, which are arranged on the end side of the respective spring device 32, 34.
  • a total of four shoes 42 are arranged on end-side spring elements 36, in each case on those end faces, the takings 14 and 16 facing the primary and secondary, 18, 20 facing away from the adjacent sliding shoe 40 and.
  • the structure of the sliding and sliding shoes 40, 42 will be explained in more detail later with reference to FIGS. 2 to 5.
  • a rotation or a torque of the motor-side primary element 4 can be transmitted elastically to the transmission-side secondary element 8 via the primary drivers 14, 16 of the center disk 6, the spring devices 32, 34 and the secondary drivers 18, 20 of the side disks 10, 12 which are non-rotatably connected to one another ,
  • the primary drivers 14, 16 on the center disk 6 are essentially subdivided into two sections, namely a first section 44 arranged in the radial direction closer to the central disk 6 for support on the spring devices 32, 34 and in a radially outward direction the second section 46, which is arranged on the first section 44, for support on an end shoe 42.
  • the middle plate 6 can be inserted both into the one Circumferential direction 48 and in the opposite circumferential direction 50 are rotated, whereby the Primärmit choir 14, 16 can be rotated in both directions against the corresponding spring means 32, 34 and end shoes 42.
  • the second section 46 is set back relative to the first section 44 with respect to both one circumferential direction 48 and the opposite circumferential direction 50.
  • the first portion 44 has a spring means 32, 34 facing first support edge 52, while the second portion 46 has a relation to the first support edge 52 recessed second support edge 54, so that in the circumferential direction 48 and 50, a distance x between the first and second support edge 52, 54 consists.
  • the plastic end shoe 42 which is shown in perspective in Fig. 5, is integrally formed and includes an outer state in the installed state sliding member 56 for sliding support of the shoe 42 on the secondary element 8 and disposed on the slide member 56, radially inwardly projecting support member 58 for supporting the end-side spring element 36 of the spring device 32 on the end shoe 42.
  • the plastic is fiber-reinforced in this embodiment.
  • the sliding part 56 extends from the support part 58 both in the one circumferential direction 48 and in the opposite circumferential direction 50, so that the end shoe 42 is secured against tilting, the sliding part 56 having a first end face 60 and pointing in the circumferential direction 48 a pointing in the circumferential direction 50 second end face 62 of the shoe 42 is formed.
  • the support member 58 has a the end-side spring element 36 facing support surface 64 which faces in the circumferential direction 48 and on which the end face of the end-side spring element 36 is supported.
  • the support member 58 is thus formed such that the spring means 32 and the end-side Spring element 36 is supported only in the direction of the adjoining Primärmit traditionss 16 on the support member 58.
  • a distance y which is smaller than the distance x between the first support edge 52 and the second support edge 54 of the Primärmit ceremonies 16.
  • the radially inwardly facing surface of the sliding member 56 of the shoe 42 further defines a support surface 66 for radially supporting the adjacent end-side spring member 36, wherein the support surface 66 is preferably curved transversely to the circumferential direction 48 and 50, respectively, as shown in FIG evident.
  • a recess 68 is further provided for non-contact insertion and passage of the first portion 44 of the Primärmit traditions 16.
  • the recess 68 is groove-shaped and extends in the circumferential direction 50 continuously from the first end face 60 to the second end face 62 of the end shoe 42.
  • the groove-shaped recess 68 divides both the support member 58, the support surface 64 and the support surface 66th in two parts, which preferably have the same dimensions.
  • the shoe 40 has a similar construction as the shoe 42.
  • the shoe made of fiber-reinforced plastic integrally manufactured shoe 40 comprises a sliding member 70 for sliding support of the sliding shoe 40 on the secondary element 8 and an intermediate part 72 for the frontal support of the sliding shoe 40 adjacent spring elements 36, 38.
  • the sliding member 70 of the shoe 40 points in turn on its radially inwardly facing surface a support surface 74 for radial support of the spring elements 36, 38 on.
  • a distance limiting device 76 is provided between the end shoe 42 and the shoe 40, which is disposed adjacent to the shoe 42. Thanks to this distance limiting device 76, the maximum possible distance of the end shoe 42 in the circumferential direction 48 or 50 to the sliding shoe 40 is limited or predetermined.
  • the distance limiting device 76 is realized in the illustrated embodiment by a hook-shaped element 78 which is attached on the one hand to the slide shoe 40 and on the other hand slidably disposed in a recess 80 in the end shoe 42. If the maximum distance between the shoe 40 and the shoe 42 is reached, as shown in Fig. 2, the hook-shaped element 78 engages behind a projection 82 in the recess 80 and prevents further displacement of the shoe 42 in the circumferential direction 50 relative to the shoe 40th Once this maximum distance is reached, the end-side spring element 36 is relaxed.
  • the primary element 4 or the middle plate 6 can be rotated relative to the secondary element 8 from a neutral position by a first angle ⁇ into a first position, which is shown in FIG.
  • the first portion 44 of the Primärmit demandss 16 is inserted without contact in the groove-shaped recess 68 in the shoe 42.
  • Only the first support edge 52 of the first portion 44 of the Primärmitites 16 is supported on the end face of the end-side spring element 36, so that a torque from the Primärmitauer 16 can be transmitted directly to the end-side spring element 36.
  • the second support edge 54 of the second portion 46 of the Primärmitites 16, however, is of the second end face 62 of the shoe 42, which is due to the fact that the distance x is greater than the distance y is formed.
  • the primary element 4 reaches a second position, which is shown in FIG. In the second position, the primary driver 16 continues to be supported on the end-side spring element 36.
  • the second support edge 54 of the second portion 46 of the Primärmit Vietnameses 16 is supported on the second end face 62 of the shoe 42 from.
  • Decisive is that the end shoe 42 and the primary cam 16 are formed such that the torque of the torsional vibration damper in the first and second positions of the primary element 4 is exclusively transmitted directly between the Primärmit réelle 16 and the end-side spring element 36 of the spring means 32.
  • the primary element 4 is shown in a third position relative to the secondary element 8. In the third position, the primary element 4 is rotated by a further angle Y relative to the secondary element 8.
  • the spring element 36 is hereby stronger compressed and the hook-shaped element 78 of the Ab- boundary limiting device 76 is displaced within the recess 80 in the shoe 42.
  • the end shoe 42 and the secondary driver 18, 20 are designed such that the end shoe 42 is not in any position is supported on the Sekundärmit réelle 18, 20.
  • the end shoe 42 is formed so short in the radial direction that it can dip underneath the Sekundärmit legislative 18, 20 outside.
  • the torsional vibration damper 84 has a motor-side primary element 86, which is composed of a front side window 88 and a rear side window 90, which are connected to one another in a rotationally fixed manner Transmission-side secondary element 92, the latter being designed in the form of a middle plate 6.
  • the input side primary element 86 and the output side secondary element 92 are associated with the torsional vibration damper 84, however, it should be noted that the primary element 86 could also be associated with the output side and the transmission, respectively, while the secondary element 92 is associated with the input side and the engine, respectively could.
  • the secondary element 92 in the form of the central disc 6 has two drivers, which are referred to below as secondary cam 94, 96 and are arranged opposite one another on the outer circumference of the central disc.
  • two drivers are also provided, which are hereinafter referred to as Primärmit choir 98, 100.
  • the secondary drivers 98 and 100 are also made of a front part
  • Primary and secondary drivers 98, 100; 94, 96 are preferably integral with the primary and secondary element 86, respectively; 92 formed.
  • annular space 30 is again formed in the assembled state.
  • two spring means 32, 34 between the primary and Sekundärmit facilitatorn 98, 100; 94, 96 are provided, which serve the spring-elastic coupling of primary element 86 and secondary element 92.
  • the spring devices 32, 34 essentially correspond to the spring devices of FIG. 1, so that only the differences are explained and the above description applies otherwise correspondingly.
  • the shoes 110 have a different structure, which will be explained later in more detail.
  • a rotation or a torque of the motor-side primary element 86 can be transmitted elastically to the transmission-side secondary element 92 via the primary drivers 98, 100, the spring devices 32, 34 and the secondary drivers 94, 96.
  • rotation or torque of the secondary element 92 could be transmitted to the primary element 86 via the secondary drivers 94, 96, the spring devices 32, 34 and the primary drivers 98, 100.
  • the primary cam 98, 100 and their front and rear parts 102, 104 are essentially divided into two sections, namely in an axial Direction farther out in the annulus 30 arranged first portion 112 for support on the spring means 32, 34 and in a further axially inward in the annular space 30 on the first portion 112 arranged second portion 114 for support on an end shoe 110.
  • the second portion 114 is both relative to the one circumferential direction 48 and with respect to the opposite circumferential direction 50 relative to the first portion 112 reset.
  • Support portion 116 while the second portion 114 has a relation to the first support portion 116 recessed second support portion 118, so that in the circumferential direction 48 and 50, a distance x between the first and second support portion 116, 118 consists.
  • plastic shoe 110 which is shown in perspective in Fig. 11, is integrally formed and includes a built-in outer sliding member 56 for sliding support of the shoe 110 on the primary element 86 and arranged on the slide member 56, radially to inside projecting support member 120 for supporting the end-side spring element 36 of the spring means 32 on the end shoe 110.
  • the sliding part 56 extends from the support member 120 in both the circumferential direction 48 and in the opposite circumferential direction 50 in order to achieve the advantages already explained above ,
  • the support member 120 has a the end-side spring element 36 facing support surface 122 which faces in the circumferential direction 48 and on which the end face of the end-side spring element 36 is supported.
  • the support member 120 further includes a Sekundärmit perhaps 94 facing support surface 124 which faces in the circumferential direction 50 and on which the Sekundärmit perhaps 94 is supported.
  • the support member 120 has in the circumferential direction 48, 50 a thickness z which is smaller than the distance x.
  • the support part 120 of the end shoe 110 has on its two sides pointing in the axial direction in each case a recess 126, 128 for contactless insertion or passage of the first section 112 of the primary driver 98.
  • the recesses 126, 128 are groove-shaped and extend in the circumferential direction 48 continuously from the first support surface 122 to the second support surface 124 of the support member 120 of the shoe 110.
  • the primary member 86 can be rotated relative to the secondary member 92 from a neutral position shown in FIG. 7 to a first position shown in FIG. In the neutral position, the end face of the spring element 36 bears against the support surface 122 of the support part 120 of the end shoe 110, while the secondary follower 94 of the secondary element 92 is supported on the other support surface 124 of the support part 120.
  • the width of the Sekundärmit interventions 94 in the circumferential direction 48, 50 and the width of the Primärmit neurosciences 98 in the circumferential direction 48, 50 the end face of the spring element 36 already in the neutral position of the primary element 86 on the support portion 116 of the Primärmit neurosciences 98th issue.
  • the spring element 36 is not in the neutral position at the support portion 116 of the Primärmit demandss 98 at.
  • the first portion 112 of the Primärmit demandss 98 is inserted without contact in the groove-shaped recess 126, 128 in the shoe 110, as can also be seen from Fig. 10. Only the first support portion 116 of the first portion 112 of the Primärmit neurosciences 98 is supported on the end face of the end-side spring element 36, so that a torque from the Primärmit legislative 98 can be transferred directly to the end-side spring element 36.
  • the second support portion 118 of the second portion 114 of the Primärmit subjects 98 is spaced from the support surface 124 of the shoe 110, which is due to the fact that the distance x is greater than the thickness z of the support member 120 is formed.
  • a protrusion 130 projecting into the annular space could be provided on the primary element 86, which forms a support portion 132 against which the end face 60 of the sliding member 56 rests in the second position of the primary element 86.
  • a projection 130 is indicated by dashed lines in FIGS. 7 to 9.
  • the second section 114 or the projection 130 prevents a complete slippage of the shoe 110 in the region of the primary driver 98, so that a reliable function of the Torsionsschwingungsdämp- fers 84 is ensured.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Operated Clutches (AREA)
  • Vibration Prevention Devices (AREA)
  • Vibration Dampers (AREA)

Abstract

La présente invention concerne un amortisseur de vibrations de torsion comprenant un élément primaire (4) pourvu d'au moins un entraîneur primaire (14, 16), un élément secondaire (8) pourvu d'au moins un entraîneur secondaire (18, 20), au moins un dispositif à ressorts (32, 34) placé entre l'entraîneur primaire (14, 16) et l'entraîneur secondaire (18, 20) pour coupler de façon élastique l'élément primaire (4) et l'élément secondaire (8), ainsi qu'au moins un patin d'extrémité (42) disposé à l'extrémité du dispositif à ressorts (32, 34). L'élément primaire (4) peut être mis en rotation par rapport à l'élément secondaire (8) entre une position neutre et une première position, dans laquelle l'entraîneur primaire (14, 16) s'appuie uniquement sur le dispositif à ressorts (32, 34), et entre cette première position et une seconde position, dans laquelle l'entraîneur primaire (14, 16) s'appuie sur le dispositif à ressorts (32, 34) et sur le patin d'extrémité (42). Selon l'invention, le patin d'extrémité (42) et/ou l'entraîneur primaire (14, 16) sont conçus de sorte que le couple de l'amortisseur de vibrations de torsion (2) puisse être transmis uniquement directement entre l'entraîneur primaire (14, 16) et le dispositif à ressorts (32, 34) dans la première et la seconde position de l'élément primaire (4). La présente invention concerne également un ensemble transmission comprenant un tel amortisseur de vibrations de torsion (2).
EP07819815A 2006-12-14 2007-11-15 Amortisseur de vibrations de torsion pourvu de patins d'extrémité et ensemble transmission comprenant un tel amortisseur de vibrations de torsion Withdrawn EP2100053A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006059054.6A DE102006059054B4 (de) 2006-12-14 2006-12-14 Torsionsschwingungsdämpfer mit Endschuhen
PCT/EP2007/009860 WO2008071281A1 (fr) 2006-12-14 2007-11-15 Amortisseur de vibrations de torsion pourvu de patins d'extrémité et ensemble transmission comprenant un tel amortisseur de vibrations de torsion

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EP2100053A1 true EP2100053A1 (fr) 2009-09-16

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US (1) US8062138B2 (fr)
EP (1) EP2100053A1 (fr)
CN (1) CN101542162B (fr)
DE (1) DE102006059054B4 (fr)
WO (1) WO2008071281A1 (fr)

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Also Published As

Publication number Publication date
WO2008071281A1 (fr) 2008-06-19
DE102006059054B4 (de) 2016-09-22
CN101542162A (zh) 2009-09-23
DE102006059054A1 (de) 2008-06-19
US8062138B2 (en) 2011-11-22
CN101542162B (zh) 2012-03-21
US20100323801A1 (en) 2010-12-23

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