Source: https://patents.google.com/patent/EP2636923A2/en
Timestamp: 2020-08-04 04:21:12
Document Index: 319042299

Matched Legal Cases: ['art 98', 'art 98', 'art 98', 'art 98', 'art 98', 'art 98', 'arts 292', 'art 98', 'art 98', 'art 98', 'arts 98', 'art 320', 'art 320', 'art 98', 'art 320']

EP2636923A2 - Torsion vibration damper assembly and oscillation damper device, in particular in a torsion vibration damper arrangement - Google Patents
Torsion vibration damper assembly and oscillation damper device, in particular in a torsion vibration damper arrangement Download PDF
EP2636923A2
EP2636923A2 EP20130170649 EP13170649A EP2636923A2 EP 2636923 A2 EP2636923 A2 EP 2636923A2 EP 20130170649 EP20130170649 EP 20130170649 EP 13170649 A EP13170649 A EP 13170649A EP 2636923 A2 EP2636923 A2 EP 2636923A2
EP20130170649
EP2636923B1 (en
EP2636923A3 (en
Horst Zinssmeister
Bernhard Schierling
2010-05-28 Priority to DE201010029464 priority Critical patent/DE102010029464A1/en
2011-04-11 Application filed by ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
2011-04-11 Priority to EP11713294.4A priority patent/EP2577092B1/en
2011-04-11 Priority to PCT/EP2011/055596 priority patent/WO2011147632A2/en
2013-09-11 Publication of EP2636923A2 publication Critical patent/EP2636923A2/en
2018-05-30 Publication of EP2636923A3 publication Critical patent/EP2636923A3/en
2019-11-20 Publication of EP2636923B1 publication Critical patent/EP2636923B1/en
239000000969 carrier Substances 0.000 claims description 106
The arrangement has a primary side to be coupled to a drive element and a secondary side rotated with respect to the primary side about an axis of rotation against action of a damper element assembly. The secondary side includes circumferential support elements (102, 104) including circumferential support regions (106, 108) and an angular disk-type mass element. A connecting element (118) i.e. riveted bolt, is connected with one of the circumferential supporting elements and a deflection mass support (12) through the secondary-sided mass element.
The present invention relates to a torsional vibration damper arrangement for the drive train of a vehicle comprising a primary side to be coupled to a drive member and a secondary side rotatable against the action of a damper element assembly about an axis of rotation with respect to the primary side, the primary side and the secondary side having circumferential support portions for damper elements of the damper element assembly on the secondary side, a vibration damper device with a deflection mass carrier and at least one deflection mass supported on the deflection mass carrier from a base at maximum distance from the rotation axis in a deflection position with a smaller distance from the rotation axis is provided, and wherein the secondary side has at least one circumferential support element and a secondary side, preferably having annular disc-like, mass element. Furthermore, the Auslenkungsmassenträger comprises two in the direction of the rotation axis in spaced relation to each other, firmly connected and between the at least one Auslenkungsmasse receiving carrier discs.
Such a vibration damper assembly is known from DE 10 2009 042 825 A1 known. In particular Fig. 3 combined with Fig. 4 shows, the Auslenkungsmassen are axially received between carrier discs of the Auslenkungsmassenträgers. The carrier discs are according to Figure 4 held axially relative to each other by means of spacers, while in Fig. 3 shown guide body, a rolling in both Carry guideways of the carrier discs as well as in guideways of the respective deflection mass, cause an axial movement assurance of Auslenkungsmassen. For this purpose, the guide bodies are each provided on both sides of a deflection mass, each with a radial collar which is provided adjacent to the respective associated axial outer side of the respective deflection mass to at least limit the range of motion of the balancing mass in this direction. To fulfill this function, it is necessary for the guide body axial securing within the Auslenkungsmassenträgers. The carrier discs of the latter are therefore according to Fig. 3 in the radial region in which the guide body extends, provided with axial cladding, which form an axial stop for the guide body in this direction.
A comparable construction can be found in the vibration damper assembly according to the DE 10 2008 059 297 A1 , As there in particular from the Fig. 5 to 7 is discernible, carrier discs of Auslenkungsmassenträgers by means of spacers, which in Fig. 12 are shown in detail, held at a fixed predetermined axial distance from each other, while guide body, the in Fig. 13 are drawn out as a detail, each provided on both sides of a deflection mass, each with a radial collar.
The DE 100 05 545 A1 shows in Fig. 1 a flywheel, which can be fixed in its radially inner region by a plurality of bolts on a drive shaft, and is connected radially on the outside with a Auslenkungsmassenträger. This includes two carrier discs, which take centered between themselves Auslenkungsmassen. For this purpose, the carrier disks as well as the deflection masses each have curved paths which are coupled to one another by guide bodies. The guide bodies, which are able to make a roll in the curved paths and along their extension over have at least approximately constant diameter, the ability to axially secure the Auslenkungsmassen against the carrier discs. This function is taken over by axial projections, which are provided on the respective deflection mass facing sides of the carrier discs. The guide body itself also find no axial securing against the Auslenkungsmassenträger.
In Fig. 4 of the DE 100 05 545 A1 a deflection mass carrier is provided on a comparable flywheel, which only has a single central carrier disk. This takes on both sides on deflection masses, which have on axial sides facing on axial projections. Also in this embodiment, guide body are provided between the carrier disc and Auslenkungsmassen, although in the respective transition region between the support plate and the Auslenkungsmassen each have a centering, so that neither an axial securing of the respective deflection mass can still afford an intrinsic safety against the Auslenkungsmassentrenträger. On the one hand, namely, the drive shaft adjacent deflection mass solve, unless it is axially secured by another, not shown component, and on the other hand, as soon as the aforementioned deflection mass is lost, and the guide body find no axial backup more.
Finally, the shows DE 100 13 652 A1 in the Fig. 16 and 17 a Auslenkungsmassenträger with two carrier discs, the center between them take Auslenkungsmassen. For this purpose, the carrier disks as well as the deflection masses each have curved paths which are coupled to one another by guide bodies. The guide bodies, which are able to perform a rolling in the curved paths, have at least approximately constant diameter along their extent, so that they lack the ability to secure the deflection masses axially relative to the carrier disks. This feature is powered by bullets assumed, which are provided between the respective deflection mass facing sides of the carrier discs and the sides facing each axial sides of the Auslenkungsmassen. The guide body itself find an axial securing against the Auslenkungsmassenträger by the carrier disks are each formed in the radial extension region of the guide body each with panels.
From the DE 196 54 915 A1 a vibration damper device is known in which a vibration damping is achieved in that one or more deflection masses in the occurrence of rotational irregularities, starting from a base in the centrifugal potential, ie against the Auslenkungsmasse radially outwardly loading centrifugal force, is deflected radially inward. In order to realize this deflection, in each deflection mass two circumferentially adjacent first guide tracks are formed, which have a substantially radially outwardly directed and also radially outwardly curved guide surface. A guideway apex lies circumferentially in a central portion of each first guideway and provides the most radially inward portion of each first guideway. In association with each first guide track in a deflection mass, a second guide track is provided on the deflection mass carrier. This has a radially inwardly directed and also radially inwardly curved guide surface. A guideway vertex of each second guideway thus provides the most radially outward region of each second guideway. In association with each pair of first guide track and second guide track, a roller-like guide body is provided. This is in contact with the associated second guideway with an outer circumferential surface area in contact with the first guideway and another outer peripheral surface area. By the opposite direction of curvature of the two guideways of each guideway pair is achieved that centrifugal force of the guide body will be positioned in each case in the region of the two guideway apex, so that when no deflection from the base each deflection mass assumes its radially outermost position. When occurring rotational irregularities, the Auslenkunsmassen move relative to the Auslenkungsmassenträgers due to acting in the circumferential direction of spin in the circumferential direction. In this case, the guide body move on the pair of guideway acting together with the result that the deflection mass moves in its circumferential movement also radially inward and thereby absorbs potential energy in the centrifugal potential.
Such a vibration damper device is also generally referred to as a speed-adaptive damper. It has no fixed resonance point, but can be tuned to an excitation order, which shifts, for example, with varying speed in the speed range of a drive train or drive unit.
The DE 196 54 894 A1 discloses a Torsionsschwingungsdämpferanordnung of the aforementioned type, which may for example be designed as a dual mass flywheel or in a clutch disc. On a secondary side of the torsional vibration damper arrangement, a vibration damper device of the type described above is provided, that is to say a vibration damper device constructed with deflection masses that can be excited by oscillation for rotational oscillation. By combining a damper elements, generally provided by springs, acting Torsionsschwingungsdämpferanordnung on the one hand with a designed as a speed-adaptive absorber vibration damper on the other hand, which is provided in particular on the secondary side of the Torsionsschwingungsdämpferanordnung, one by the combination of two vibration damper mechanisms is clear improved reduction of occurring in a drive train or propagating rotational irregularities achieved.
It is the object of the present invention to provide a torsional vibration damper arrangement, in particular for the drive train of a vehicle, which has a very good decoupling quality between the primary side and the secondary side in a compact design.
This object is achieved by a vibration damper device, in particular in a torsional vibration damper arrangement for the drive train of a vehicle comprising a primary side to be coupled to a drive member and a secondary side rotatable against the action of a damper element assembly about an axis of rotation relative to the primary side, the primary side and the secondary side having circumferential support regions Damping elements of the damper element arrangement, and on the secondary side a Auslenkungsmassenträger and at least one of the Auslenkungsmassenträger from a base with a maximum distance to the axis of rotation in a Auslenkungslage with a shorter distance to the axis of deflection rotatably supported Auslenkungsmasse is provided, the secondary side at least one Umfangsabstützbereich exhibiting Umfangsabstützelement and a secondary-side, preferably annular disc-like, mass element, wherein the deflection two carrier carrier in the direction of the axis of rotation spaced apart, fixedly connected to each other and between the at least one Auslenkungsmasse receiving carrier discs, wherein at least one Auslenkungsmasse at least a first guide track with a substantially radially outwardly directed guide surface and in association with the at least a first guideway in the at least one deflection mass in the Auslenkungsmassenträger a second guideway are provided with a substantially radially inwardly directed guide surface, and a preferably as a rolling body trained guide body upon deflection of the at least one deflection mass from the base along the first guide track and the second guide track is movable, wherein a first centering for axially centering at least one deflection mass is provided between the carrier discs, and / or wherein a second centering for axial centering at least one guide body is provided between the two carrier discs.
By providing the first centering arrangement or also the second centering arrangement, it is ensured that the various components are held in a defined position in the axial direction, so that defined deflections, on the one hand, as frictionless as possible, can be generated during the deflection of the at least one deflection mass.
For the axial centering of at least one guide body without the need to use additional components for this, it can be ensured that the second centering in association with at least one carrier disc comprises a relative to a longitudinal axis of the guide body radially outwardly extending centering shoulder.
In general, since a guide body cooperates with the various guideways in different axial areas, utilizing the spatial separation of various outer circumferential surface areas of the guide body provided therefor, the centering shoulder may be disposed in a transitional area between an outer peripheral surface area in contact with a second guideway first guide track in contact outer peripheral surface area of an outer peripheral surface of the guide body is provided.
In order to achieve the best possible fit, it is proposed that at a radially inner region of the centering shoulder with a axial recess is formed.
The present invention will be described in detail below with reference to the accompanying drawings, in which Figs Fig. 1 to 19 only treat the technological background and not the actual invention. It shows:
a vibration damper device for integration in a torsional vibration damper assembly;
the vibration damper device of Fig. 1 with open deflection mass carrier;
an axial view of the vibration damper of the Fig. 1 , viewed from the left side;
an axial view of the vibration damper of the Fig. 1 , with left carrier disc omitted;
a longitudinal sectional view of the vibration damper of the Fig. 1 ;
a perspective view of the right carrier disc of the vibration damper the Fig. 1 ;
a perspective view of the left carrier disc of the vibration damper device of Fig. 1 ;
a peripheral support member;
a perspective view of a deflection mass;
a sectional view of the deflection mass of Fig. 10 ;
a perspective view of a guide body for a deflection mass;
an annular movement stop;
the ring-like movement stop the Fig. 13 in combination with an elastic element;
an axial view of a Auslenkungsmassenträgers with a secondary-side mass part carried thereon;
an axial view of a Auslenkungsmassenträgers, viewed from the other axial side;
an axial view of a Torsionsschwingungsdämpferanordnung with open Auslenkungsmassenträger;
a partial axial sectional view of a Torsionsschwingungsdämpferanordnung with a vibration damper device;
one of the Fig. 18 corresponding view, cut in another radial plane;
a partial sectional view of a vibration damper device;
a longitudinal sectional view of a guide body;
an axial view of a deflection mass;
an axial view of a support disk of a Auslenkungsmassenträgers;
a partial axial sectional view of a vibration damper device;
an axial view of a Torsionsschwingungsdämpferanordnung with a vibration damper device;
an axial sectional view of a Torsionsschwingungsdämpferanordnung with a vibration damper device;
a perspective view of a carrier disk;
the deflection mass of Fig. 40 in axial view;
a sectional view of the deflection mass of Fig. 41 , cut along a line XLII - XLII;
a Umfangsabstützelement with two Umfangsabstützbereichen;
an alternatively configured Umfangsabstützelement with two Umfangsabstützbereichen;
a peripheral support member having a peripheral support portion;
a Auslenkungsmase with three Auslenkungsmassenteilen;
a perspective view of a Auslenkungsmassenträgers;
the Auslenkungsmassenträger the Fig. 48 in partial axial section view;
an axial view of a vibration damper device with partially broken carrier disc;
a perspective view of the vibration damper of the Fig. 50 ;
a perspective view of a carrier disc of a Auslenkungsmassenträgers;
an axial sectional view of a vibration damper device;
a perspective view of the deflection mass of Fig. 55 ;
a sectional view of the deflection mass of Fig. 55 , cut along a line LVII-LVII in Fig. 55 ;
a perspective view of the deflection mass of Fig. 58 ;
a sectional view of the deflection mass of Fig. 58 cut along a line LX-LX;
a Umfangsabstützelement with two Umfangsabstützbereiche for the torsional vibration damper or Fig. 66 ;
the radially inner portion of a primary side of a torsional vibration damper assembly;
a partial axial sectional view of a torsional vibration damper assembly with a vibration damper device.
With reference to the Fig. 1 to 19 Hereinafter, an embodiment of a torsional vibration damper assembly or a vibration damper device for such a torsional vibration damper assembly, for example constructed according to the principle of a dual mass flywheel, will be described.
The Fig. 1 shows a perspective view of a vibration damper device 10, which is constructed with a deflection mass carrier 12 and a plurality of arranged therein and with respect to this deflectable deflection mass 14. The deflection mass carrier 12 comprises two carrier disks 16, 18 constructed, for example, from sheet metal material Fig. 1 shown on the left and, for example, a drive unit closer positioned carrier disk 16, which also in Fig. 7 has an approximately radially extending portion 20 and radially outer thereafter an outer peripheral wall portion 22. Accordingly, the in Fig. 1 on the right and, for example, a gear assembly closer positioned support plate 18 has a radially extending portion 24 and a comparatively short, collar-like outer peripheral wall portion 26. In a composite state, as in Fig. 1 is illustrated, the collar-like configured Außenumfangswandungsbereich 26 of the support plate 18 engages over the axial end portion of the Außenumfangswandungsbereichs 22 and is, for example, a radial collar 28 adjacent. The two carrier disks 16, 18 can engage in this radially outer region, in which the two outer circumferential wall regions 26, 22 overlap one another, for example by welding be connected to each other, to couple the two carrier discs 16, 18 of the Auslenkungsmassenträgers firmly together. However, as described below, this coupling can alternatively or additionally also take place in another way.
In the area enclosed by the deflection mass carrier 12 volume range are consecutive in the circumferential direction, such as in the Fig. 2 and 4 to recognize four deflection masses 14 arranged. In each of these deflection masses 14 are like the Fig. 10 this shows, lying side by side, two approximately kidney-like openings 30 formed. One of these openings radially inwardly delimiting and substantially radially outwardly curved surface 32 of each opening 30 forms a first guide track 34 for an example in Fig. 12 In perspective, shown roller-like guide body 36. In each deflection mass 14, two such, radially outwardly curved and in their peripheral center region each have a guideway vertex 38 having first guideways 34 are provided.
In association with each first guide track 34, a second guide track 40 is provided on the deflection mass carrier 12. Each second guideway 40 comprises two guideway sections, wherein a guideway section 42 is formed at a respective opening 44 in the support plate 16 radially outwardly bounding and radially inwardly curved guide surface 46. A second section 48 of each second guide track 40 is formed on a respective opening 50 radially outwardly bounding and radially inwardly curved guide surface 52 of the support plate 18. The two guide track sections 42, 48 of a respective second guide track 40 are axially opposite each other and are aligned with each other in the circumferential direction.
One recognizes in the 6 and 7 in that the guide track sections 42, 44 are substantially in contact with the interior of the deflection mass carrier extending formations 188, 189 of the respective radially extending portions 20, 24 of the carrier discs 16, 18 are formed. This leads to an axially comparatively wide guide surface 46 and 52, respectively, compared to the built-up material of the carrier disks 16, 18 which is formed with a smaller thickness.
In order to avoid mutual disturbance of the deflection masses 14 with the axial formations 188, 189 of the carrier disks 16, 18 on which the guide surfaces 46, 52 are provided in the assembled state, the deflection masses 14 have depressions 54 in the adjacent area to the openings 30. These are shaped such that the axial formations 188, 189 can be received in these recesses 54 and with the movement of the Auslenkungsmassen 14 with respect to the support plates 16, 18 are not in contact with them substantially.
The in Fig. 12 shown roller-like guide body has an outer peripheral surface 58 having a central outer peripheral surface area 58, which comes into contact with the guide surface 32 and a first guide track 34 of a Auslenkungsmasse 14. At the axial end portions of the guide body 36 sections 60, 62 of a further outer peripheral surface portion 64 are provided which in each case in contact with the guide surfaces 46, 52 and the sections 42, 48 of a second guide track 40. The guide body 36 can thus move by rolling along the respective cooperating with these first guide track 34 and second guide track 40.
In rotational operation, the deflection masses 14 are centrifugally force-induced in a state of minimal potential energy in the centrifugal potential, that is, as far as possible radially arranged in a positioning radially outside. This means that the guide bodies 36 with their outer circumferential surface area 56 will position themselves in the region of the guideway apexes 38 of a respective first guideway 34. The sections 62, 60 of the one with a respective first guideway 40 cooperating outer peripheral surface area 64 will equally in a apex portion 66 of the associated second guideway 40, so at the radially outermost region of the second guideway 40, position. When rotational irregularities occur which lead to circumferential accelerations of the deflection masses 14, the deflection masses 14 move in the circumferential direction with respect to the deflection mass carrier 12 with rolling movement of the radially supporting guide bodies 36. The curvature of the first guideways 34 and the second guideways 40 leads forcibly to one Displacement radially inward, the deflection masses 14 absorb potential energy and thereby contribute to the reduction of vibration energy, so kinetic energy. With essentially periodic excitation, the deflection masses 14 can perform an oscillating motion in the centrifugal potential and thus perform a counter-movement counteracting the vibration excitation.
The FIGS. 11 and 12 show that the outer peripheral surface 58 of the guide body 36, in particular in the outer peripheral surface area 56 in the axial direction, ie between the axial end portions of a respective guide body 36, convex, ie bulged outward bulging. In a corresponding manner, the guide surface 32, which provides the associated first guide track 34, between the axial end portions of the Auslenkungsmasse 14 concave, ie bulged inwards bulging formed. By interaction of these two curved surfaces, a first Axialzentrieranordnung 68 is formed, which ensures that the Auslenkungsmassen 14 occupy a defined axial positioning with respect to the guide body 36 and thus of the Auslenkungsmassenträgers 12.
Next you can see in Fig. 12 in that respective radial stages 70 are formed in the transition region between the outer peripheral surface region 56 and the sections 60, 62 of the outer peripheral surface region 64 on the guide bodies 36. These radial stages 70 cooperate with these axially opposite surface regions of the support disks 16, 18, a second Radialzentrieranordnung 72, which ensures that the guide body 36 are held in a defined axial positioning with respect to the Auslenkungsmassenträgers 12. Together, so cause the two Axialzentrieranordnungen 68, 72, that the Auslenkungsmassen 14 defined between the two carrier discs 16, 18 are held and in its deflection movement as possible not in frictional contact with it.
At the in Fig. 12 detectable radial shoulder 70 is in the radially inner region thereof, ie where it adjoins the portion 60 of the outer peripheral surface portion 64, formed an axial recess. This avoids radii in the transition to the section 60 and thus allows a more accurate, areal axial support of the guide body 36 on the associated surface area of the support disk 16 and 18 respectively.
It should be noted here that the guide bodies 36 and the carrier disks 16, 18 may be hardened at least in those areas in which they provide the guide tracks 36, 40 in order to avoid the occurrence of wear over the service life of the vibration damper device 12.
The 17 to 19 The vibration damper device 12 described above is integrated into a torsional vibration damper device 74 constructed as a dual mass flywheel. The torsional vibration damper device 74 comprises a primary side 76, which is essentially constructed with two cover disks 78, 80. In this case, the drive side to be positioned cover plate 78 in its radially outer region on an outer circumferential wall 82, at the axial end of the other cover plate 80 is connected, for example by welding. By the two cover plates 78, 80, a volume region is limited in particular also radially outward, in which a damper element arrangement 84 of the Torsionsschwingungsdämpferanordnung 74 is arranged. The Damper element assembly 84 includes in the illustrated example, two damper element units 86, 88 which each extend approximately over an angular range of 180 ° and a plurality of circumferentially successive and also radially nested damper springs 90 may include. The circumferentially successive damper springs 90 of a respective damper element unit 86 and 88 are supported on each other by so-called sliding shoes 92, which can be supported radially outwardly on the outer circumferential wall 82 due to centrifugal force. The end regions of a respective damper element unit 86 or 88 are supported via so-called spring plates 94 at associated circumferential support regions of the primary side 76 and a secondary side 96 of the torsional vibration damper arrangement 74.
The secondary side 96 comprises the vibration damper device 10 and, fixedly connected thereto, a secondary-side mass part 98, which can provide, for example, a friction surface 100 for a friction clutch. With the secondary-side mass portion 98 and the vibration damper 12 are in the Fig. 1 Also recognizable Umfangsabstützelemente 102, 104 firmly connected. Each of these Umfangsabstützelemente 102, 104, which have an angular distance of about 180 ° to each other according to the extension length of the damper element units 86, 88 comprises a radially outer Umfangsabstützbereich 106 and 108 for circumferential support of the spring plate 94 and thus the damper element units 86, 88. In their radial inner area, the Umfangsabstützelemente 102, 104 each have a connecting portion 110 and 112, respectively. In this connection region, the circumferential support elements 102, 104 are firmly connected in the manner described below with the deflection mass carrier 12 of the vibration damper device 10 on the one hand and the secondary-side mass part 98 on the other hand.
In Fig. 6 are located on the secondary side of the mass portion 98 adjacent positioned carrier plate 18 two lying at a circumferential distance of 180 ° and radially outward substantially open, so the outer peripheral wall region 26 also interrupting depressions 114, 116 recognizable. In their peripheral contour, these are connected to the peripheral contour of the in Fig. 8 recognizable radially inner connecting portion 110 and 112 of the Umfangsabstützelemente 102, 104 adapted. These connecting regions 110, 112 are thus in each case on the outer side, that is to say the side of the carrier disk 18 facing away from the carrier disk 16 in a respective depression 114, 116 Fig. 1 The arrangement is preferably such that the outer surface of the connection regions 110 and 112 is substantially flush with an outer surface of the carrier disk 16. Since in the transition region between a respective connection region 110, 112 to the associated Umfangsabstützbereich 106, 108, the Umfangsabstützelemente 102, 104 axially are bent, despite the positioning of the connecting portions 110, 112 on the outside of the support plate 18, the respective Umfangsabstützbereiche 106, 108 approximately axially, relative to a rotational axis A of the torsional vibration damper assembly 74, centered with respect to the Auslenkungsmassenträgers 14, which contributes to an axially compact design.
The fixed connection of the circumferential support elements 102, 104 with the secondary-side mass part 98 on the one hand and the deflection mass support 14 on the other hand takes place through a plurality of first connecting elements 118. It can be seen that each circumferential support element 102, 104 is assigned three triangular configuration and formed as a rivet bolt first connecting elements 118. These pass through an opening 120 in the support disk 18, an opening 122 in the connection region 110, 112 of the Umfangsabstützelemente 102, 104 and an opening 124 in the radially central region of the secondary side mass portion 98th Thus, like the lie Fig. 18 this clearly shows, in axial sequence, the secondary-side mass portion 98, the Umfangsabstützelement 102 and 104 with its connection portion 110 and 112, the support plate 18 and an arranged on the inside of the support plate 18, approximately in its peripheral contour the peripheral contour of the connecting portion 110 and 112 adapted spacer 126 to each other. This in Fig. 9 Also recognizable spacer 126 serves to ensure a defined distance between the two carrier discs 16, 18 to each other. Further, it may be heat-treated to provide a high tensile strength, since it must be ensured that it is not plastically deformed during the riveting operation. Furthermore, the spacer element 126 causes a lowering of the stresses occurring in the carrier plate 18 and generated by the first connecting elements 118. The outer peripheral contour ensures that a mutual disturbance of the spacing elements 126 provided in association with each circumferential support element 102, 104 does not occur with the deflection masses 14.
One recognizes in Fig. 18 in that the first connection elements 118 have a collar-like extension region 128. This engages behind the spacer elements 126 in each case in an area surrounding the openings 130 formed therein and provides a defined axial distance between the spacer elements 126 and the support plate 16 safe.
In association with the depressions 114, 116 of the carrier disk 18, the carrier disk 16 has depressions 132, 134 directed toward the carrier disk 18. These have openings 136 for the first connecting elements 118. By providing the depressions 132, 134, it is ensured that the rivet heads of the first connecting elements 118 formed on the outer side of the carrier disk 16 substantially do not project beyond the surface formed in the radially extending region 20 of the carrier disk 16.
By the first connecting elements 118, in addition to the above-described fixed connection of the Umfangsabstützelemente 102 to the secondary-side mass portion 98 and the two support disks 16, 18 are firmly connected. To further improve this cohesion, are provided at at an angular distance of 90 ° to the Umfangsabstützelementen 102, 104 positions second connecting elements 138, preferably also provided by rivet bolts. Thus, it is ensured that distributed over four circumferential positions with a respective circumferential distance of approximately 90 °, a solid coupling of the two carrier discs 16, 18 is achieved, which is particularly advantageous, especially if they are not in the region of their Außenumfangswandungsbereiche 22, 26 by welding connected to each other. The second connecting elements 138 are designed as spacers in order to ensure a defined axial positioning of the carrier disks 16, 18.
While the support plate 18 has in association with the second connecting elements depressions 140 so that their rivet heads come to rest in these depressions 140, the rivet heads are in the region of the support plate 18 axially protruding. To avoid mutual interference with the secondary-side mass portion 98, this has in the Fig. 15 indicated and in Fig. 19 also recognizable depressions 142 for receiving the rivet heads of the second connecting elements 138.
How to get in Fig. 15 further recognizes, the rivet heads of the first connecting elements 118, which are each arranged in groups of three, with respect to the friction surface 100 of the secondary side mass portion 98 are arranged so that they dip radially slightly into this. In this area, the secondary-side mass portion 98 has protrusions 144, which extend into the friction surface 100 in order to create a receiving space for the rivet heads of the first connecting elements 118.
In association with the first connecting elements 118 recesses 146 are formed in the cover plate 78 of the primary side 76 of the torsional vibration damper assembly 74. These allow access to the axial end portions of the first links 118 in performing the Nietverbindungsvorgangs. At several circumferential positions, the cover plate 78 further recesses or openings 148. Also, the cover disc 78 adjacent positioned support disc 16 has at two circumferential positions, namely where the depressions 140 are formed for the second connecting elements 138, openings 150 on. These openings are provided for mounting aid or as measuring openings.
In order to avoid mutual interference between the deflection masses 14 and the depressions 140, the deflection masses 14 have depressions or recesses 152 at their radial inner region into which the depressions 140 can dip when the deflection masses 14 are circumferentially deflected.
In association with the deflection masses 14 is on the primary side 76 of the Torsionsschwingungsdämpferanordnung 74 a in the FIGS. 13 and 14 provided in a single view movement limiting arrangement 154. This comprises a ring-shaped movement stop or a stop element 156 with a substantially radially extending and fixed by rivet bolts with the cover plate 78 area 160. Radially outwardly thereafter, the Bewegunsganschlag 156 has a substantially cylindrical annular portion 162 on which a corresponding annular-shaped elastic element 164, for example made of rubber or rubber-like material, is pushed. This carried at the movement stop 156 elastic member 164 is located, as in the Fig. 17 can be clearly seen radially within the deflection mass 14th
In association with this movement stop 156, the deflection masses 14 have abutment surfaces 166 in their radially inner area, which are curved in accordance with the curvature of the outer peripheral surface of the elastic element 164. With excessive movement of the deflection masses 14 radially inward, they come with their stop surfaces 166 in abutment with the outer peripheral surface of the movement stopper 156, and due to the temporary storage of the elastic member 164, a stopper damping is provided. In addition to this damping effect, the elastic element 164 has the function that it springs back after striking the deflection masses 14, so that the striking of the deflection masses 14 on the movement limiting arrangement 154 lessens the oscillation movement of the deflection masses 14. Furthermore, the elastic element 164 protects the movement stop 156, which is generally formed as a sheet metal part, from repeated excessive impact of the deflection masses 14. It goes without saying that with a correspondingly hard configuration of the movement stop 156, in particular in its cylindrical region 162, also on the elastic element 164 can be dispensed with.
By rivet pin 158 is further connected to the primary side 76 of the Torsionsschwingungsdämpferanordnung 74, in particular the cover plate 78, a bearing ring 168 and a coupling provided for connection to a drive shaft or a flex plate or the like coupling member 170. Next show the FIGS. 18 and 19 two different design variants of the bearing ring 168, namely once divided into two and once in one piece. On the bearing ring 168, the radially inner region of the secondary-side mass portion 98 is mounted via a sliding bearing at least in the radial direction, whereby the primary side 76 and the secondary side 96 of the Torsionsschwingungsdämpferanordnung 74 are mounted radially relative to each other. In this radially inner region of the secondary-side mass portion 98 may further be a bearing 172, for example, formed as Wälzkörperlager, recorded to provide a bearing with respect to the axial end of an output shaft, so for example a transmission input shaft. Radially outside this area receiving the bearing 172, the secondary-side mass part has openings 174, through which access to the rivet pins 158 for producing the riveted connection exists. By means of the bearing ring 168, it is also possible, the primary side 76 to a Store on a crankshaft or drive shaft formed or associated flange.
The above-mentioned opening 148 in the cover disk element 78 can furthermore be used as filling openings for introducing viscous medium in that volume area in which the damper element arrangement 84 is provided. After insertion, the openings 148 may be closed to prevent ingress of contaminants. Correspondingly, the recesses 146 can also be closed by means of the first connecting elements 118 after the rivet connection has been established. In order to achieve a tight seal on the other axial side as well, a sealing element 176 (for example formed from sheet metal material) may be provided. Fig. 18 ) be provided. This is supported in its radially outer region on the cover disk element 80 and thus generates there a dense system termination. Radially inside, it rests against the secondary-side mass part 98 and thus lies between it and the peripheral support elements 102, 104. The terminating element 176 is thus firmly connected to the secondary side 96 by the first connecting elements 118.
In rotary operation can occur when rotational irregularities such. B. strong torque fluctuations, load oscillations or even by the periodic ignitions in an internal combustion engine generated excitations, are damped by relative rotation of the primary side 76 with respect to the secondary side 96 of the torsional vibration damper assembly 74. Remaining rotational nonuniformities are further reduced by the vibration damper device 10 provided on the secondary side of the torsional vibration damper assembly 74. The vibration damper device 10 is speed-adaptive, which means that its natural frequency shifts accordingly with rising or falling speed. This allows the vibration damper device 10 to an excitation order, for example, the ignition frequency of a Internal combustion engine, to tune and decouple them over the entire speed range. In this case, a vote should preferably be made to a main vibration order, which may correspond to the ignition frequency in the case of a four-cylinder four-stroke internal combustion engine of the second order. Although a vote on the first order of such an excitation frequency would lead to a very good reduction in the rotational irregularities occurring. However, these would result in a comparatively large deflection of the deflection masses 14, which is often not possible due to the limited installation space. For this reason, for example, the vote can be made such that the natural frequency of the Auslenkungsmassen or the vibration damper device 10 is just above the second excitation order of the internal combustion engine, so that on the one hand, although a sufficient repayment potential for the vibrations is achieved, an excessive deflection of the Auslenkungsmassen 14 However is avoided.
The second and first guideways 40, 34 on the Auslenkungsmassenträger 12 on the one hand and on the Auslenkungsmassen 14 on the other hand, for example, can be circular curved. Alternatively, it is also possible to provide an epicycloid-shaped geometry for the guideways here, which can contribute to improved protection of the deflection masses against excessive deflection, especially at lower rotational speeds.
By providing in each case two guide bodies 36 in each deflection mass 14, it is ensured that these deflection masses 14, which execute a pendulum movement, undergo an almost parallelogram-like displacement, which makes very efficient use of the available installation space. Even stronger vibration excitations, as done for example when starting the engine, do not lead to an excessive striking of the deflection masses 14, in particular because, for this, the movement limiting arrangement 154 with the elastic despite the confined space Element 164 is provided.
Various variations will be described below, which may be provided individually or in combination in the above-described vibration damper device or Torsionsschwingungsdämpferanordnung or with each other. With respect to these variations, essentially only those aspects specific to them will be explained.
The Fig. 20 shows that the two carrier disks 16, 18, in particular in its radially outer region planar, ie without axial formation, are formed, and thus leave the between these limited volume range radially outwardly substantially open , The deflection masses 14 and their associated guide body 36 are in the region of their interacting with each other surface piston, so the guide surfaces 32 on the one hand and the surface areas 56 on the other hand without convex contour, so formed substantially cylindrical. There are no guide track elements provided, but the sections 46, 48 of the respective second guide tracks 40 are formed by, for example, in a punching operation resulting face.
It should be noted that, of course, in this embodiment variant in combination or individually, all previously described modifications or specific embodiments of the various components, such as the crowning of different surfaces, forming axial formations, the provision of guideway elements on all or individual in the carrier discs 16 , 18 or the deflecting masses 14 formed openings can be realized. As with the other embodiments already described above, it is also advantageous here, the guide body 36 in their cooperating with the respective second guide track 40 and in guide track sections thereof End areas with a cylindrical, ie non-spherical contour to design.
The Fig. 21 shows a design variant of a second Axialzentrieranordnung 72 through which the or at least some of the guide body 36 axially with respect to the Auslenkungsmassenträgers 12, so here the carrier discs 16, 18, can be centered. It can be seen that the axial end faces 200, 202 are radially overlapped at the axial ends of the guide body 36 by axial support sections 204 and 206 formed in the region of the openings 44, 50 in the carrier disks 16, 18. At these Axialabstützabschnitten come the end faces 200, 202 axially to the plant, whereby the guide body 36 is held in a defined axial positioning.
The axial centering of the or each deflection mass 14 is again via the first Axialzentrieranordnung 68, here provided by the concave between their axial ends guide surface 32, which provide substantially the first guide path, or the corresponding convex outer circumferential surface 58 in the outer peripheral surface region 56 of Guide body 36.
Since in this embodiment variant due to the radial overlap of the end faces 200, 202 by portions of the carrier discs 16, 18 for radial support of the guide body 36 available total surface area in the region of a respective second guideway 40 is comparatively low, the guide body 36 should in their with the second guideway 40 cooperating area does not fall below a minimum diameter. For this purpose, it is further advantageous to dispense with the step-like transition to the outer peripheral surface region 56.
In order to reduce the surface load occurring in the region of the carrier disks 16, 18 or the sections of the second guide tracks 40 formed thereon in this design variant, the end faces can be used 200, 202 cross Axialzentrierabschnitte 204, 206 may be provided by provided on the outer sides of the carrier discs 116, 118 separate components. Also, the previously discussed second guideway elements can be used, which can then be optimally adapted to the loads occurring by material selection on the one hand and shaping on the other hand.
It should also be noted here that, of course, all the aspects described above in the embodiment of the various components shown can also be implemented here individually or in combination. This also applies to the following statements on different variants of the vibration damper device.
The Fig. 22 shows a design variant, which the preceding with reference to Fig. 20 and 21 combined thematized aspects. Here, for example, in a case in which no axial centering of the deflection masses 14 of the vibration damper device 10 has to be provided, dispensed with the spherical design of the guide body 14 and the respectively associated first guide track 34, so that in each case provided substantially cylindrical contours are. For an axial centering or mounting of the guide body 14 between the two carrier discs 16, 18 is provided by the provided at these in the region of the openings 44, 50 Axialzentrierabschnitte 204, 206. Of course, the sections 42, 48 of the second guideways 40 as well as the axial centering sections 204, 206 may of course also be formed on second guideway elements provided in the openings 44, 50.
The FIGS. 23 and 24 each show a guide body 36, in which by the convex configuration of the outer peripheral surface portion 56 each have a portion of a first Axialzentrieranordnung 68 is provided while by a respective radial shoulder at the transition between the with A partial region of a second axial centering arrangement 72 is provided in an outer peripheral surface region 56 cooperating with a first guide track and the sections 60, 62 of the outer peripheral surface region 64 cooperating with a section of a second guide track.
It can be seen that in the in Fig. 23 Guide body 36 shown at its two axial end portions respectively to its rotational or longitudinal center axis centric and open at the axial end portions or end faces 200, 202 recesses 208, 210 are formed. In the in Fig. 24 shown guide body 36 is a this Axialformschräge passing recess 212 recognizable. In this way, the guide body 36, even if they are constructed for example of metal material, can be provided with a lower weight, which may advantageously influence the vibration behavior of the deflection masses 14.
The Fig. 25 shows a variant of a vibration damper device 10, in which the first Axialzentrieranordnung 68 is formed again under the interaction of the deflection mass 14 in the region of its or the outer peripheral surface portion 56 of the guide body 36. In this configuration, the outer peripheral surface area 56, ie essentially the outer peripheral surface area lying between two radial shoulders 70 of the second axial centering arrangement 72, is formed with a concave shape, while the deflection mass 14 is formed in particular in the area of its first guide track 34 with a convex shape in the axial direction.
The Fig. 26 shows an embodiment variant in which at least one disc-like support member 220 is disposed on both axial sides of a deflection mass 14 for axial support on the support disks 16 and 18 respectively. These have 40 access openings 222 in association with the sections of the second guide track. These access openings can, especially if the disc-like support members 220 are fixed to the carrier discs 16, 18, provide a surface area of the portions of the second guideway 40.
On the support elements 220, the deflection mass 14 is supported in the axial direction with respect to the carrier disks 16, 18 and thus of the deflection mass carrier 12. Also, the guide body 36 is supported with its radial shoulders 70 in the axial direction of these support members 220, so that they can be assigned to both the first Axialzentrieranordnung 68, and the second Axialzentrieranordnung 72.
It should also be noted here that such support elements may be designed to extend around the axis of rotation of the vibration damper device 10 in a ring-like manner. Also, individual may be provided by assignment to one or more second guideways 40 or one or more deflection masses 14 discretely distributed support members 220. The support elements 220 are preferably formed of a rubbing effect as far as possible reducing material, such as a plastic material such as Teflon or the like.
At the in Fig. 27 The support elements 220 do not form an aspect of the second axial centering arrangement 72. They surround the illustrated guide body 36 in its area of larger diameter, ie on the outer circumferential surface area 56 and thus provide only axial support of the deflection mass 14 with respect to the carrier disks 16, 18. The second axial centering arrangement 72 essentially again comprises the radial shoulders 70 of the guide bodies 36 which are supported directly on the carrier disks 16, 18 Fig. 26 shown variant can be dispensed with a spherical configuration of the guide body 36 in its outer peripheral surface area 56 and the first guide tracks in the deflection masses 14 here as well.
In Fig. 28 For example, the motion limiting device 154 is shown in FIG Fig. 13 recognizable movement stop 156 formed radially within the Auslenkungsmassen 14. On the inwardly facing side of the deflection masses 14, an elastic stop element 250 is provided, which comes into contact with the movement stop 156 when the deflection masses 14 are excessively deflected. As a result, on the one hand, the mass of the deflection masses 14 can be increased, on the other hand, the structure itself can be simplified, in particular in the region of the movement stop 156 itself.
In Fig. 29 a variant is shown in which the movement limiting arrangement 154 comprises at least one peripheral support element 102. At the two axial sides of elastic elements 252 are provided, for example, in the transition region between a Umfangsabstützbereich 106 and a connecting portion 110, to which the deflected in the circumferential direction Auslenkungsmassen which are arranged on both sides of this Umfangsabstützelements 102 can strike.
At the in Fig. 30 The movement limiting arrangement 154 comprises elastic stop elements 254 at the two circumferential end regions of a deflection mass. Here, too, a peripheral support element or a region of a carrier disk which adjoins such a deflection mass 14 in the circumferential direction can then be used as the movement stop.
The Fig. 31 shows a deflection mass 14, in which at the peripheral end of an opening 30 and thus also in the end region of a respective first guide track 34, an elastic stop member 256 is provided or inserted into the opening 30. Here a movement limitation by means of the movement limiting arrangement 154 is achieved by a guide body which moves along a first guide track 34 when it reaches the end region of the guide track 34 is prevented from moving further by the elastic stop elements 56, thus undergoes a damped stop.
Alternatively or additionally, corresponding elastic stop elements 258 may also be provided in association with the second guide tracks or the sections that provide them in the carrier disks of the deflection mass carrier 12. Also there, the guide body then experience upon reaching an end portion of the respective second guide track 40, an elastic stop, so that the movement of the Auslenkungsmassen 14 is braked or terminated without a mutual attack of metal on metal. Since measures for restricting movement need not be provided either on the deflection masses themselves, or radially within them, there is more space available for the deflection masses.
The Fig. 33 shows a Auslenkungsmassenträger 12, in which the two carrier discs 16, 18, among other things, by means of these axially passing through the second connecting elements 138, also formed here as a rivet bolt, are axially connected to each other. Here, the rivet bolts themselves are not formed as spacers, but surrounded by a sleeve-like spacer element 260, against which the two carrier discs 16, 18 can create when riveting.
The Fig. 34 shows a variant in which in the region of the first connecting elements 118, through which the connection of the Umfangsabstützelemente (here 104) and the secondary-side mass portion 98 takes place, the axial spacing of the two carrier discs 16, 18 realized. This is in the Fig. 34 recognizable spacer 126 made thicker, as shown above, so that it is the axial gap between the two carrier discs 16, 18 here in the Essentially completely. This leads to a better rigidity and thus increased stability in that region in which the connection of the circumferential support elements 104 realized by means of the first connecting elements 118 to the secondary-side mass part also passes on the torque to be transmitted in a drive train.
The Fig. 35 to 37 show an embodiment variant of a torsional vibration damper assembly 74, in which the secondary-side mass member 98 is connected both by the preferably arranged in groups of three first connecting elements 118 to the Umfangsabstützelemente 102, 104, as well as by the angular distance of 90 ° thereto arranged second connecting elements 138. For this purpose in association with these second connecting elements 138, the secondary-side mass part 98 in each case has a stepped opening 262, so that the rivet head formed after riveting is located in this opening 262, namely the area of larger diameter thereof. While the second connecting elements 138 do not serve here for torque transmission or introduction into the secondary-side mass part 98, they lead to increased rigidity of the deflection mass carrier 12 constructed essentially with the two carrier disks 16, 18.
The FIGS. 38 and 39 show examples each of a carrier discs 18, which is provided in comparison to the variant described above with a structure with fewer axial formations. For example, the in Fig. 38 shown support plate 18 in the region of the respective first guide tracks 40 no axial formations. This makes the cooperating Auslenkungsmassen 14, as in the FIGS. 40, 41 and 42 shown, the provision of associated depressions in the vicinity of the openings 30 is no longer necessary.
In the Fig. 39 Although shown support plate 16 in association with the However, where there is a connection of a respective Umfangsabstützelements, ie where the groups of three are formed by openings 120 for receiving the first connecting elements 118, no depressions on respective first guideways 40 an axial formation on to enlarge the guide surface. It goes without saying that even with this in Fig. 39 shown example of a support plate 18, the axial formations in the region of the first guide tracks 40 may be omitted, as in Fig. 38 shown. Also in the region of those openings in which a connection of the second connecting elements is to take place, a substantially planar structure is provided. It goes without saying that the respective other carrier disks can also be shaped accordingly.
The FIGS. 43 to 45 each show bar-like configured Umfangsabstützelemente 102 'with two at an angular distance of approximately 180 ° to each other arranged Umfangsabstützbereichen 106, 108. In a central region, these Umfangsabstützelemente 102' each have an annular portion 264 on. This serves to provide a passage space, for example for the axial end of an output shaft. Also, in each case a cylindrical projection 266 may be provided on this ring-like portion 264, which may serve the radial mounting of various assemblies, such as the secondary side 96 with respect to the primary side 76 or the secondary side 96 with respect to an output shaft. In the annular portion 264 may further openings 268 may be formed, which may serve for the passage of the fixing, for example, on a crankshaft serving bolts or the like.
The Fig. 46 shows a Umfangsabstützelement 102, which has only a single Umfangsabstützbereich 106 and a connecting portion 110. In Umfangsabstützbereich 106 two circumferential projections 270, 272 are provided. These serve to the peripheral support of the spring element units 86, 88 serving spring plate 94 to overlap radially outside and to support radially outward. Thus, the sliding friction interaction thereof with respect to the primary side is reduced, resulting in improved decoupling between the primary side 76 and the secondary side 96. Such radial support projections 270, 272 may of course also be used with peripheral support members having two peripheral support portions as shown in FIGS FIGS. 43 to 45 be shown provided.
In Fig.47 a deflection mass 14 is shown, which is constructed with three axially successively to be arranged Auslenkungsmassenteilen 292, 294 and 296. These have corresponding circumferential contours and each have openings 30, on the radially inner sides of each sections 298, 300, 302 of a respective first guide track 34 are provided. With these axially adjacent sections 298, 300, 302, a respective outer peripheral region of a guide body comes into contact.
The fixed connection of the three deflection mass parts 292, 294, 296 can be effected by connecting elements 304, for example rivet bolts, provided at a plurality of positions. Of course, other connection techniques, such as welding, gluing, clamping, soldering or screwing are also possible here.
The two positioned on the axial end sides Auslenkungsmassenteile 292, 296 have on their sides facing away from each other, the depressions 54, which can accommodate the provided on the support plates and parts of the second guideways providing axial formations.
The FIGS. 48 and 49 show an embodiment variant in which the two Umfangsabstützelemente 102, 104 not at the of the carrier disk Since the peripheral support members 102, 104, for example, made of sheet metal material will generally have a thickness which is smaller than the axial gap between the two support disks 16, 18th in which also the deflection masses 14 are accommodated, spacer elements 126 are provided on both sides of the circumferential support elements 102, 104. By the first connecting elements 118, through which the fixed connection of the secondary-side mass part to the Umfangsabstützelemente 102, 104, the two support discs 16, 18, the intermediate spacer elements 126 and positioned between the respective spacer elements 126 Umfangsabstützelemente 102, 104 to a Assembled module. An embodiment of the circumferential support elements 102, 104 with greater thickness can also be used to avoid at least one of the spacer elements 126.
Since in this embodiment, the Umfangsabstützelemente 102, 104 are already axially approximately centrally disposed between the two carrier discs 16, 18, the Umfangsabstützelemente 102, 104 may be formed substantially planar or with only a small axial bend. This simplifies the production and leads to lower material stresses in the peripheral support elements.
As in the previously described embodiments, one of the two spacer elements, in particular the spacer element 126 positioned adjacent to the carrier disk 16, could be omitted and replaced by a spacer collar on the connecting elements 118.
While in the embodiments described above, the peripheral support members to be connected to the secondary side mass member can be positioned substantially immediately adjacent to the secondary-side mass part by the positioning on the axial outer side of the support disk 16 and thus substantially no additional load on the components of the torsional vibration damper device 10 occurs in the torque transmission, lie in the in FIGS. 48 and 49 For example, the support plate 18 and the spacer 126 positioned adjacent to it between the peripheral support members 102, 104 and the one shown in FIGS FIGS. 48 and 49 not shown secondary-side mass part. This can lead to an increased pressure in torque transmission even when providing a plurality of first connecting elements 118 in association with each Umfangsabstützelement, including the components lying between the secondary-side mass part and the Umfangsabstützelementen be designed with appropriate strength.
The FIGS. 50 to 54 show an embodiment of the vibration damper device 10, in which the movement limiting arrangement 154 is integrated in the deflection mass carrier 12. For this purpose, the support disk 16 has a cylindrical movement stop 306 extending axially from the disk-like region 20 in its radially inner region. This extends radially within the Auslenkungsmassen 14 and can, like the FIGS. 53 and 54 show, the ring-like elastic member 164 wear on its outer periphery.
Of course, to provide this movement stop 306, the other carrier disk 18 could also be formed axially correspondingly, or both carrier disks could have cylindrical sections extending toward each other, which together provide the movement stop. It is also conceivable, instead of an integral embodiment, to fix the movement stop 306, for example by riveting, welding or the like, on at least one of the carrier disks 16, 18. For fixed connection of the elastic element this can for example shrunk, glued or vulcanized. Also the material-locking tying by injection molding or spraying is possible. In a further alternative variant, this, for example, annular movement stop located radially inside the deflection masses 14 could be provided by the radially inner region of the secondary-side mass part. The elastic element 164 could then also be arranged in this region of the secondary-side mass part in order to damp the stops of the deflection masses.
An advantage of providing the movement stop 306 or the ring-like elastic element 164 provided on the outer circumference thereof directly on the deflection mass carrier 12 or the secondary-side mass part 98 is that a connection to the secondary side 96 of the torsional vibration damper arrangement 74 thus takes place. Moving relative movements between the abutting deflection masses 14 and the movement limiting arrangement 154, which can lead to wear, are thus avoided.
The FIGS. 55 to 57 show that a deflection mass 14 with two provided for cooperation with guide bodies and first guideways 34 providing openings 30. It can be seen that in this embodiment, the deflection mass 14 viewed in the axial direction with respect to an axial center plane E are not designed symmetrical. This means that the center of mass of this deflection mass 14 is not located in the axial center plane E, but is displaced to an axial side. Accordingly, the openings 30 are not symmetrical with respect to the center plane E in the axial direction. In particular, it can be seen that the first guide tracks 34, which are concave in shape for providing a first axial centering arrangement 68, are also offset axially relative to the axial center plane E. In this way it can be achieved that the first guideways 34 or their region of cooperation with a respective guide body substantially are positioned where the center of gravity of a respective deflection mass 14 is located, so that no centrifugal force-induced tilting moments are generated.
As a result of this embodiment of the deflection masses 14, which is asymmetrical in the axial direction, it is possible to adapt the latter better to the space available in the interior of the deflection mass carrier 12. In particular, it is possible, for example, for the deflection masses 14 to dip in their radially outer region into peripheral regions in which the depressions 114 or 116 for the circumferential support elements 102, 104 are arranged.
FIGS. 58 to 60 show a deflection mass 14, which is asymmetrical with respect to a circumferential center line M corresponding essentially to a radial line. In particular, a depression 308 can be seen in a peripheral end region, so that in this region a design of the deflection mass 14 which is more slender in the axial direction is achieved. This also allows immersion in areas in which the distance between the two carrier discs is smaller.
The Fig. 60 shows that the openings 30 and the first guide tracks 34 formed therein are substantially symmetrical with respect to the axial center line E here. In the circumferential direction, however, the openings 30 or the first guide tracks 34 formed therein may be positioned such that substantially the same force is exerted on both guide bodies cooperating with the guide body, even taking into account the circumferentially asymmetrical design of the deflection mass 14. For this purpose, the center of mass should advantageously lie on the circumferential center line M or also in the axial center plane E.
The Fig. 61 shows a torsional vibration damper assembly in which the annular movement stop 156 with its cylindrical, radially extending portion 162, which is externally surrounded by the elastic member 164, a Radialzentrierung forms for a radial bearing 310. In the inner peripheral region of this radial bearing 310 engages the secondary-side mass portion 98 with its radially inner bearing portion 312 a. In this manner, the primary side 76 and secondary side 96 of the torsional vibration damper assembly 74 are radially centered with respect to each other. The axial bearing or support takes place in that the bearing region 312 of the secondary-side mass portion 98 abuts axially on a radially inwardly extending leg of the elastic element 164. Radial within this bearing area in the bearing area 312 an axially extending annular groove 314 is formed, in which the annular radial bearing 310 can engage axially.
Since the storage area 312 of the secondary-side mass part 98 here comparatively far radially outward, in particular in that area in which the primary-side cover plate 78 with the bearing ring 168 and also the coupling element 170 connecting rivet bolts 158 are provided, it is necessary to make this rivet connection, before the secondary-side mass part 98 is connected. When the storage area 312 is displaced even further radially outwards, the access to the rivet bolts 158 is released again, so that this riveted connection can then also take place after the secondary-side mass portion 98 has been connected. It is also fundamentally conceivable to connect the primary side, that is, for example, the cover disk 78 or the bearing ring 168 directly to a crankshaft without using the coupling element 170 or a flex plate or the like to be connected thereto, specifically in a region radially within the bearing region 312 of the secondary side Mass parts 98. Also in this case, there would then be no openings can be provided through which bolts or the like or tools can be performed.
For example, in the FIGS. 18 and 19 recognizable bearings 172 for storage an output shaft could equally be provided at the storage area 312 of the secondary-side mass portion 98. Also on the bearing ring 168, this storage can be done so that the output shaft is then mounted relative to the primary side 76. The primary side or cover disk 78 of the same could also be used for supporting the output shaft.
At the in Fig. 62 As shown in the modification of the above-described embodiment, it can be seen that where the annular radial bearing 310 is positioned, no axially open and circumferentially substantially continuous groove is provided in the bearing portion 312 of the secondary side mass member 98, resulting in an axially shorter design of the annular radial bearing 310 required.
The Fig. 62 shows a Torsionsschwingungsdämpferanordnung 74, in which a connection thereof in the region of its primary side 76 directly to a drive shaft, so for example, a crankshaft, takes place. For this purpose, the primary-side cover plate 78 extends radially inward beyond the radially inner storage area 312 of the secondary-side mass portion 98 addition. In this radially inner region, the cover disk 78 and in association therewith also the movement stop 156 for the deflection masses 14 have openings 316 and 318, respectively, through which fastening bolts serving for fixing can be guided.
An appropriate type of connection is also at the in Fig. 63 shown embodiment shown. Here, the cover plate 78 is extended in its radially inner region by an axially elastic part 320. This may be determined by rivet bolts or the like on the cover plate 78 and has radially inwardly the openings 316 for attachment to a crankshaft or other drive shaft.
The elastic member 320 may, for example, have one or more sheet-metal elements with a comparatively small thickness, which allow a tilting of the cover disk 78 and thus of the entire torsional vibration damper arrangement 74 with respect to the axis of rotation A. The elastic member 320 is preferably formed annular disc-like to safely absorb the transmitted torque over these and can forward.
The Fig. 65 shows a torsional vibration damper assembly 74, such as can be used for example in hybrid drive systems or in conjunction with dual clutches. The overall construction of the torsional vibration damper assembly 74 and the vibration damper assembly 10 provided therein may be in any of the manners described above. It can be seen, however, that the secondary-side mass portion 98 extends further radially inward and forms a hub portion 324 with internal teeth. With this, an externally toothed shaft extension 326 can be coupled by axial intermeshing for common rotation about the axis of rotation A. This shaft extension 326 can lead to a further region of a drive train, that is, for example, an electric machine or the input region of a double clutch. If this torsional vibration damper arrangement 74 is to be arranged in the torque flow only after an electric machine or after a double clutch, the shaft extension 126 may be the axial end of a drive input shaft.
It can be seen that, in association with the openings 316 in the elastic part 320 or 318 in the movement stop 156, the secondary-side mass part 98 also has openings 328 in this embodiment in order to be able to use and tighten the threaded bolts used for fixing to a drive shaft.
The FIGS. 66 and 67 show a variant of Torsional vibration damper assembly 74, which is also particularly suitable for use in conjunction with hybrid propulsion systems or dual clutches. It can be seen that here again a substantially bar-like circumferential support element 102 'having two circumferential support regions 106, 108 is used, which has a toothed hub region 330 in its radially inner region. Furthermore, the Umfangsabstützelement 102 'carries an example integrally molded or separately attached thereto annular support portion 332. This is axially the movement stop 156 and its axially extending, cylindrical portion 162 opposite, so that a radially inwardly extending leg of the elastic member 164 is arranged between these two parts. The Umfangsabstützelement 102 'and thus the entire secondary side 96 of the Torsionsschwingungsdämpferanordnung 74 thus based in the axial direction with respect to the primary side 76 via this support portion 332, so that at the same time a relative friction between the primary side and the secondary side friction interaction can be generated.
Corresponding to the openings 316 in the elastic part 320 or 318 in the movement stop 156, the peripheral support element 102 'also has openings 334 in order to enable a connection to a drive shaft.
The Fig. 68 shows the radially inner region of a further embodiment variant of the primary side 76 of the Torsionsschwingungsdämpferanordnung 74. It can be seen the radially inner and here axially bent portion of the cover plate 78 and also the radially inner region of the likewise axially bent coupling element 170. These are by means of the rivet bolt 158 with the bearing ring 168 fixedly connected, wherein the cover plates 78 between the coupling element 170 and a radially extending leg of the bearing ring 168 is arranged. On the inner circumference of an axially extending leg of the bearing ring 168 is an example ring-like bearing element 336 is provided which serves the radial and / or axial mounting of the primary side 76 with respect to a drive shaft.
The Fig. 69 shows a further variant of a Torsionsschwingungsdämpferanordnung 74, which is combined with a vibration damper device 10. The torsional vibration damper arrangement 74 again has the two cover disks 78, 80 on the primary side and the damper element arrangement 84 received in the outer region therebetween. Radially inside the primary-side cover plate 78 forms a bearing shoulder 340, on which the intermediate bearing of a plain bearing sleeve 342 of the radially inner bearing portion 312 of the secondary-side mass member 98 may be radially mounted. An axial support of the secondary side 96 with respect to the primary side 76 can take place in this area.
The vibration damper device 10 may be formed as described above with the two carrier disks 16, 18 and the deflection masses 14 received therebetween. These are each held by preferably a plurality of guide body 36 for circumferential and thereby radial displacement on Auslenkungsmassenträger 12 movable.
About the rolling element bearing 172, the axial end portion of an output shaft, so for example, transmission input shaft, with respect to the bearing shoulder 340 of the cover plate member 78 may be stored.
At the in Fig. 70 As shown embodiment, the cover plate 78 of the primary side 76 by bolts 344 on a drive shaft 346, so for example, a crankshaft, set. For this purpose, the secondary-side mass portion 98 in its radially inner region through openings 348. Together with the cover plate 78 344 two bearing rings 168 and 168 'are fixed to the drive shaft 346 by means of the bolts. The bearing ring 368 extends further radially inward and serves with intermediate storage of the example with again Rolling bodies running bearing 172 centering an axial end of an output shaft 350. Furthermore, the secondary side 96 is radially mounted with respect to the primary side 76 with the interposition of a radial bearing 310 running here, for example, with rolling elements.
The bearing ring 168 'extends from the fixing by means of the bolts 344 in its radially outer region axially to the secondary-side mass portion 98 and supports this with intermediate storage of an example designed as a slide bearing thrust bearing 350. This thrust bearing 350 serves primarily to tilt the secondary side 96 to prevent exerting an operating force on an associated friction clutch.
Finally, it should again be pointed out that the various aspects described above can be combined with one another as desired in the design of the vibration damper device 10 on the one hand and the torsional vibration damper assembly 74 on the other hand. In particular, it should be pointed out that in a wide variety of areas it is also possible to carry out variations or embodiments not explained in detail above. For example, the deflection masses can be produced in a variety of ways. Particularly advantageous is the production by sintering, as this leads to a very high density and therefore a very high mass, since heavier elements can be introduced into the sintered composite. For example, copper, tungsten, or other high density element may be incorporated into a steel matrix serving as a base.
The various illustrated connecting elements, which are advantageously designed as rivet elements, can of course also be provided in a different shape or with a different number. The three-packs of rivet elements shown in association with the various circumferential support elements have proven particularly advantageous. which are arranged in triangular configuration, as this brings a particularly low-voltage connection with it. In principle, however, two, four, five, six or even higher-numbered packages are also possible here, whereby the distance between the individual connecting elements in such a package can also be varied. Likewise, an arrangement of the connecting elements on a pitch circle, so with approximately the same radial distance from the axis of rotation, possible.
The regions of the vibration-damping device which are particularly stressed in rotational operation by the acting centrifugal force, that is to say the components which supply the various guideways, and also the guide bodies are preferably made of hardened metal, such as hardened steel. Where openings are present for the introduction of connecting elements, a compensation of the building material leading to the provision of a high tensile strength is preferably realized.
Of course, the number of deflection masses used in the vibration damper can be varied with respect to the illustrated four deflection masses. For example, it is also possible to provide two, three, five, six or more deflection masses, wherein a symmetrical arrangement about the axis of rotation is advantageous.
While previously embodiments have been illustrated or described in which the individual deflection masses are equal to one another, it is of course also possible to use deflection masses of different shape or mass in a vibration damper device. Also, the different deflection masses associated guideways may have different shapes, so that a vote of different Auslenkungsmassen can be made to different excitation orders. It is also for avoiding excessive impact of the deflection masses in case of excessive vibration excitation advantageous not to provide them exactly to a respective stimulating order, for example, the second order in a four-cylinder engine. For example, to introduce "detuning" to a more limited deflection, tuning could be 2.1 times or 1.9 times the exciting frequency.
Due to the shape, ie curvature of the guideways, it is still possible, on the one hand to influence the vote on a certain stimulating order, on the other hand, to avoid excessive deflection. Thus, in particular by approaching the guideways on radial lines in the region of the guideway ends, a comparatively strong deceleration of the deflection masses can be achieved. Flat design guideways lead to less strong Abbremseffekten in the deflection of the Auslenkungsmassen.
Vibration damping device, in particular in a torsional vibration damper arrangement for the drive train of a vehicle, comprising a secondary side (76) to be coupled to a drive member and a secondary side (96) rotatable against the action of a damper element assembly (84) about an axis of rotation (A) with respect to the primary side (76). in which the primary side (76) and the secondary side (96) have circumferential support areas (106, 108) for damper elements (86) of the damper element arrangement (82), and at the secondary side (96) a deflection mass carrier (12) and at least one on the deflection mass carrier ( 12) is provided from a base with a maximum distance to the rotation axis (A) in a deflection position with a smaller distance to the rotation axis (A) deflectable supported deflection mass (14), wherein the secondary side (76) at least one at least one Umfangsabstützbereich (106, 108) exhibiting Peripheral support element (102, 104, 102 ') and a secondary side, Preferably comprises annular disc-like, mass element (98), wherein the Auslenkungsmassenträger (12) in the direction of the axis of rotation (A) in spaced from each other, firmly connected and between the at least one Auslenkungsmasse (14) receiving carrier discs (16, 18), at least one first guide track (34) having a substantially radially outwardly directed guide surface (32) and associated with the at least one first guide track (34) in the at least one deflection mass (14) in the at least one deflection mass (14) Deflection mass carrier a second guide track (40) are provided with a substantially radially inwardly directed guide surface, and preferably designed as a rolling body guide body (36) upon deflection of the at least one deflection mass (14) from the base along the first Guiding path (34) and the second guide track (40) is movable, wherein a first centering arrangement (68) for axially centering at least one deflection mass (14) between the carrier discs (16, 18) is provided, and / or wherein a second centering arrangement (72 ) for axial centering of at least one guide body (36) between the two carrier discs (14, 16) is provided, and the second centering arrangement (72) in association with at least one carrier disc (16, 18) relative to a longitudinal axis of the guide body (36) radially outwardly extending centering shoulder (70) comprises
in that the centering shoulder (70) has an outer peripheral surface area (64) in contact with a second guide track (40) and an outer peripheral face area (56) which is in contact with a first guide track (34) of an outer circumferential face (58) of the guide body (36 ) is provided.
Vibration damper device according to claim 1,
characterized in that at a radially inner region, the centering shoulder (70) is formed with an axial recess.
EP13170649.1A 2010-05-28 2011-04-11 Torsion vibration damper assembly and oscillation damper device, in particular in a torsion vibration damper arrangement Active EP2636923B1 (en)
DE201010029464 DE102010029464A1 (en) 2010-05-28 2010-05-28 Torsionsschwingungsdämpferanordnung and vibration damper device, in particular in a Torsionsschwingungsdämpferanordnung
EP11713294.4A EP2577092B1 (en) 2010-05-28 2011-04-11 Torsion vibration damper assembly and vibration damper device, in particular in a torsion vibration damper assembly
PCT/EP2011/055596 WO2011147632A2 (en) 2010-05-28 2011-04-11 Torsion vibration damper assembly and vibration damper device, in particular in a torsion vibration damper assembly
EP11713294.4 Division 2011-04-11
EP11713294.4A Division EP2577092B1 (en) 2010-05-28 2011-04-11 Torsion vibration damper assembly and vibration damper device, in particular in a torsion vibration damper assembly
EP11713294.4A Division-Into EP2577092B1 (en) 2010-05-28 2011-04-11 Torsion vibration damper assembly and vibration damper device, in particular in a torsion vibration damper assembly
EP2636923A2 true EP2636923A2 (en) 2013-09-11
EP2636923A3 EP2636923A3 (en) 2018-05-30
EP2636923B1 EP2636923B1 (en) 2019-11-20
ID=44118898
EP13170649.1A Active EP2636923B1 (en) 2010-05-28 2011-04-11 Torsion vibration damper assembly and oscillation damper device, in particular in a torsion vibration damper arrangement
EP11713294.4A Active EP2577092B1 (en) 2010-05-28 2011-04-11 Torsion vibration damper assembly and vibration damper device, in particular in a torsion vibration damper assembly
US (1) US9133905B2 (en)
EP (2) EP2636923B1 (en)
CN (2) CN104279265B (en)
DE (1) DE102010029464A1 (en)
WO (1) WO2011147632A2 (en)
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2010-05-28 DE DE201010029464 patent/DE102010029464A1/en active Pending
2011-04-11 CN CN201410497904.XA patent/CN104279265B/en active IP Right Grant
2011-04-11 US US13/699,782 patent/US9133905B2/en active Active
2011-04-11 EP EP13170649.1A patent/EP2636923B1/en active Active
2011-04-11 WO PCT/EP2011/055596 patent/WO2011147632A2/en active Application Filing
2011-04-11 EP EP11713294.4A patent/EP2577092B1/en active Active
2011-04-11 CN CN201180026175.4A patent/CN102918296B/en active IP Right Grant
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EP2636923B1 (en) 2019-11-20
US9133905B2 (en) 2015-09-15
EP2577092B1 (en) 2018-10-24
CN102918296A (en) 2013-02-06
EP2577092A2 (en) 2013-04-10
WO2011147632A3 (en) 2012-03-29
US20130139641A1 (en) 2013-06-06
CN104279265A (en) 2015-01-14
WO2011147632A2 (en) 2011-12-01
EP2636923A3 (en) 2018-05-30
CN102918296B (en) 2015-08-19
CN104279265B (en) 2016-08-17
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EP2373907B1 (en) 2014-04-16 Damping device having centrifugal force pendulum
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