WO2008151594A1 - Dispositif pour amortir des oscillations, notamment amortisseur d'oscillations de torsion - Google Patents

Dispositif pour amortir des oscillations, notamment amortisseur d'oscillations de torsion Download PDF

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Publication number
WO2008151594A1
WO2008151594A1 PCT/DE2008/000850 DE2008000850W WO2008151594A1 WO 2008151594 A1 WO2008151594 A1 WO 2008151594A1 DE 2008000850 W DE2008000850 W DE 2008000850W WO 2008151594 A1 WO2008151594 A1 WO 2008151594A1
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WO
WIPO (PCT)
Prior art keywords
mass unit
ring
mass
primary
primary mass
Prior art date
Application number
PCT/DE2008/000850
Other languages
German (de)
English (en)
Inventor
Albert Birk
Original Assignee
Luk Lamellen Und Kupplungsbau Beteiligungs Kg
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 Luk Lamellen Und Kupplungsbau Beteiligungs Kg filed Critical Luk Lamellen Und Kupplungsbau Beteiligungs Kg
Priority to DE112008001347.0T priority Critical patent/DE112008001347B4/de
Publication of WO2008151594A1 publication Critical patent/WO2008151594A1/fr

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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
    • F16F15/131—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 the rotating system comprising two or more gyratory masses
    • F16F15/13114—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 the rotating system comprising two or more gyratory masses characterised by modifications for auxiliary purposes, e.g. provision of a timing mark

Definitions

  • the invention relates to a device for damping vibrations, in particular a torsional vibration damper in the form of a dual-mass flywheel, comprising a primary mass unit and a secondary mass unit, which are arranged coaxially with each other and coupled to each other via means for torque transmission and / or damping coupling, a donor element and a mass ring are rotatably connected to the primary mass unit.
  • a device for damping vibrations in particular a torsional vibration damper in the form of a dual-mass flywheel, comprising a primary mass unit and a secondary mass unit, which are arranged coaxially with each other and coupled to each other via means for torque transmission and / or damping coupling, a donor element and a mass ring are rotatably connected to the primary mass unit.
  • Devices for damping vibrations in the form of torsional vibration dampers are previously known in a large number of designs from the prior art. These include a split flywheel in the form of a primary flywheel, which, as executable in several parts, is also referred to as a primary mass unit and a secondary flywheel or secondary mass unit, which are arranged coaxially to each other and limited in the circumferential direction relative to each other limited rotation. Primary mass unit and secondary mass unit are coupled to each other via means for torque transmission and / or damping coupling, these means are formed in the simplest case of spring-loaded units, which perform both functions. Furthermore, such devices for damping vibrations in the form of dual-mass flywheels are usually still equipped with a coupling device, wherein a first coupling part is formed by the secondary mass unit or is rotatably connected thereto.
  • a transmitter unit comprising at least one transmitter element is provided, via which the angle of rotation can be detected.
  • a mass ring is provided. Both transmitter unit and mass ring are attached to the primary mass unit. The attachment is usually by material connection by means of welded joints and such that the donor element and the ground ring have joining surfaces which are characterized by different joint diameter of the primary mass unit.
  • the transmitter element is arranged on the outer circumference of the primary mass unit due to its function and the mass ring must thereby be arranged further offset inwards in the radial direction, this means that in the case of molded primary mass units due to the shaping, the joining surfaces on the primary mass unit for both functional elements also still viewed in the axial direction in the installed position are arranged other.
  • This offset in the radial and additionally axial direction requires a complex alignment of the individual parts during joining and also two separate joining processes. Also, the joining area is sometimes difficult to access. Since optimizing the mass distribution of the mass ring should be arranged with its mass as possible in the outer diameter of the primary mass unit, the joint area for the donor element is often not far enough away from the encoder, so that functional impairment due to welding distortion can not be excluded.
  • encoder unit or transmitter element and ground ring as a unit next to each other in the axial direction adjacent to each other and in turn to couple this unit with the primary mass unit.
  • the invention is therefore based on the object, a device for damping vibrations, in particular a torsional vibration damper of the type mentioned in such a way that creates a relatively simple in terms of installation space and space-saving connection of a unit from a donor element and a ground ring with the primary mass unit can be.
  • a device for damping vibrations in particular a torsional vibration damper or a torsional vibration damper, comprises a split flywheel, which consists essentially of a primary mass unit and a secondary mass unit, which are arranged coaxially with each other and are rotatable in the circumferential direction limited relative to each other.
  • the two masses - primary mass unit and secondary mass unit - are coupled to each other via means for torque transmission and / or damping coupling.
  • the device for Verwarwinkeler internally drawn at least one encoder element and a ground ring for increasing the primary mass, donor element and ground ring are rotatably connected to the primary mass unit.
  • connection between the transmitter and the primary mass unit as well as the primary mass unit and the mass ring each directly and in the circumferential direction of the primary mass unit is substantially on a common joint diameter with the primary mass unit.
  • connection between donor element and Primary mass unit and mass ring and primary mass unit alternately in the circumferential direction.
  • connection By arranging and mounting on a common joint diameter, the assembly and the generation of the connection can be considerably simplified. In a particularly advantageous manner, with a similar connection between the transmitter element and the primary mass unit and the mass ring and the primary mass unit, the connections for both can be generated in one operation. Bonded connections, in particular welded connections, are particularly preferably selected.
  • the donor element and the mass ring are designed as annular abutting elements, one of the two open-edged and circumferentially extending, spaced-apart recesses, which are viewed in the radial direction arranged on a diameter, and the other element projections has, which extend into the mounting position in the device in the open-edge recesses.
  • the extension takes place within the axial and radial extent of the recesses.
  • the recesses are each arranged on the inner circumference of Massering or donor element.
  • impairment of the mode of operation of the transmitter element due to welding distortion due to displacement of the connection region in the radial direction to the axis of rotation, in particular when the material connection is selected can be avoided.
  • the mass of the mass ring can thereby be displaced as far as possible outward in the radial direction.
  • the projections on one element and the connecting regions between the recesses on the other element form respective joining surfaces, which can be aligned depending on the selected connection in the axial or radial direction or inclined thereto.
  • unsolvable connections in the form of cohesive connections are preferably selected, in particular in the form of welded connections, the arrangement of the joining surfaces on the transmitter element and the mass ring relative to the joining surface on the primary mass unit is characterized by a rectangular impact or an angular impact.
  • connection surfaces are generally formed by surface areas pointing in the axial direction.
  • connection region is preferably always provided in the region of the outer circumference, but spaced from the actual sensor, so that it is not impaired in terms of its function by any welding distortion.
  • the recesses which are preferably arranged spaced apart in the circumferential direction at regular intervals and thus with a uniform pitch and are designed to a diameter and the projections which are complementary thereto, wherein the extent in the circumferential direction is equal to or preferably less than is achieved only by this one centering during assembly, it is achieved that on the one hand Massering and donor element in a simple manner with respect to their position to each other positioned and welded when creating a welded joint in a single operation with a device.
  • FIG. 1 illustrates a device according to the invention for damping
  • FIG. 2 illustrates a view X - X according to FIG. 1 for clarification of FIG
  • FIG. 3 illustrates a view Y - Y according to FIG. 1 for clarification of FIG
  • FIG. 1 shows, in a schematized and highly simplified representation, a detail of a view from the right of an embodiment of a device 1 designed to damp vibrations, in particular a torsional vibration damper in the form of a dual mass flywheel 2.
  • FIGS. 2 and 3 illustrate views X - X, respectively and Y - Y according to FIG. 1 in the form of axial sections made in different directions in the circumferential direction. The following explanations refer to all figures.
  • the device 1 for damping vibrations is also referred to as a torsional vibration damper or torsional vibration damper.
  • This is preferably a so-called dual mass flywheel 2, which is combined with a clutch.
  • the device 1 comprises a primary flywheel mass, which is fastened to a crankshaft (not shown here) of a prime mover, in particular an internal combustion engine of a motor vehicle, which is referred to as the primary mass unit 3 or input part of the device for damping vibrations 1, and a unit which can be coupled at least indirectly to one of the apparatus 1
  • Another second flywheel which is also referred to as secondary mass unit 4.
  • Primary mass unit 3 and secondary mass unit 4 can preferably be made in one piece or else in several parts and are coupled to one another via means 5.1 for transmitting torque and means 5.2 for damping coupling.
  • the functions of the torque transmission and the damping coupling are taken over by the same elements, for example, as energy storage units in the form of elastic spring units 6, which are arranged between primary mass unit 3 and secondary mass unit 4 in the circumferential direction, primary mass unit 3 and secondary mass unit 4 in the circumferential direction against each other support, and allow a rotation between the primary mass unit 3 and secondary mass unit 4 in the circumferential direction limited to each other.
  • the primary mass unit 3 by means of a bearing 7, for example in the form of a sliding bearing in the secondary mass unit 4 coaxially and rotatably supported about the rotation axis R.
  • the secondary mass unit 4 is rotatably coupled to an input part 8, not shown here, a coupling device 9, not shown here, or forms this.
  • the means 5.1, 5.2 for torque transmission and damping clutch can be designed in various ways, in particular with regard to the damping concept used. It is crucial that both a torque is transmitted over this and also vibrations are damped. If both functions are combined, these are taken over in the simplest case by spring units 6 extending in the circumferential direction and supported on the primary mass unit 3 and the secondary mass unit 4 with a large compression path.
  • the primary mass unit 3 is in the illustrated case at least in two parts and comprises a first primary part 14 and a second primary part 15, wherein the first primary part 14 and the second primary part 15 are rotatably connected to each other and enclose an inner space 16 in the axial direction and in the circumferential direction.
  • the first primary part 14 forms a first housing part
  • the second primary part 15 a second housing part in the form of a cover element 17.
  • the means 5.1 for torque transmission and 5.2 are integrated for damping coupling.
  • the device 1 for damping vibrations further comprises a transmitter unit 10, comprising a transmitter element 11 for detecting a twist angle.
  • the transmitter element 11 is connected in a rotationally fixed manner to the primary mass unit 3.
  • a mass ring 12 is provided to increase the mass of the primary mass unit 3.
  • the mass ring 12 and the encoder element 11 are rotatably connected to the primary mass unit 3.
  • the design and arrangement of the encoder element 11 and ground ring 12 takes place in the radial direction in the region of the outer circumference 13 of the primary mass unit 3.
  • the connection is made cohesively, preferably by welded joints.
  • Massering 12 and donor element 11 according to the invention are both connected to the primary mass unit 3 in the region of a common joint diameter dF.
  • the encoder element 10 and ground ring 12 are arranged coaxially to each other and viewed in the axial direction intermeshing, wherein one of the two components extends partially over a portion of the axial extent of the other component.
  • the connection of the unit 19 thus produced by nesting is preferably carried out by material-locking ge compounds 20.1 to 20.
  • n preferably in the form of welded joints between the transmitter element 11 and primary mass unit 3 and cohesive connections 23.1 to 23.
  • n between ground ring 12 and primary mass unit 3 also preferably in the form of welded joints.
  • Both elements of the unit 19 are connected at the same height and in the same diameter dF with the primary mass unit 3 at its joining surface F3, preferably welded.
  • This offers the advantage that on the one hand both parts of the unit 19, encoder element 10 and ground ring 12, at the same time with the primary mass unit 3, in particular the cover 17 aligned, inserted and welded to each other and the individual welds 20.1 to 20.
  • n and 23.1 and 23. n can be generated in a manufacturing process with a welding tool sequentially or simultaneously in the circumferential direction.
  • the encoder element 10 is formed as an annular disk-shaped, viewed in cross-section bent sheet metal element having a cylindrical portion 24, which is viewed in the radial direction on the outer circumference 25 is executed and also a flange-like radially oriented portion 26 which a Surface region 27 which reaches the second primary part 15 at a directed thereto complementary surface area 28 to the concern.
  • the projections 22 are provided, which extend on the inner circumference di11 in the axial direction in the direction of the recesses 21 on the mass ring and extend in these in the radial direction in the direction of the axis of rotation R.
  • the mass ring 12 has a cylindrical portion 29, and a drawn in the radial direction in the direction of the axis of rotation R flat disc-shaped portion 30 which a stop or contact surface 31 for forms a contact surface 32 on the encoder element 10.
  • the open-edged recesses or recesses 22 are provided on the inner circumference di12.
  • the recesses 21 are arranged in the circumferential direction in each case with a constant extent in the circumferential direction and with the same pitch to each other. This applies analogously to the projections 22, whereby any assignment in the circumferential direction between the mass ring 12 and the encoder element 11 is possible.
  • FIG. 3 illustrates the embodiment of the projections 22 on the encoder element 10 for projecting into the recesses or extensions 21 on the ground ring 12.
  • the projections 22 are designed in such a way that they act with their surface 33 pointing in the radial direction, which acts as a joining surface F11 in the case of material-locking connection are arranged approximately to a diameter dF, as well as the smallest diameter which describes the inner circumference di12 of the mass ring 12 and which forms joining surfaces 34 on its surface 34 facing the axis of rotation R.
  • the connections between the ground ring 12 and the encoder element 10 are quasi in one plane when viewed in the circumferential direction.
  • the configuration of the encoder element 10 and the ground ring 12, in particular in their flange regions 33 and 34, which are respectively formed by the cylindrical regions 29, 24 adjoining areas 30 and 26, the position of the cohesive connection varies become.
  • a diameter is selected with regard to the diameter dF, which on the one hand enables the integral connection as far away from the transmitter element, so that this function is not affected by welding distortion, but furthermore the mass ring 12 by an arrangement of the mass as far as possible in the radial direction is characterized on the outer circumference 13.
  • the unit 19 in the is arranged rich of the outer periphery 13 of the device 1 for damping vibrations, in particular in the region of the outer periphery of the second primary part 15th
  • the position of the encoder element 10 and ground ring 12 is centered in the radial direction and also in the circumferential direction relative to one another.
  • the recess 21 may be formed on the mass ring 12 such that it extends in the circumferential direction over an extension b, which is the same, but preferably greater than the extension of the projection on the encoder element 10 in the circumferential direction.
  • a direct positive connection is not achieved here. Only the connection region for the transmitter element is displaced viewed in the axial direction into the connection region for the mass ring 12.
  • the solution according to the invention is not limited to a specific embodiment of a device 1 for damping vibrations. However, this is preferably in a so-called two-mass flywheel, comprising a primary mass unit 3 and a secondary därassentechnik 4 and 5.1, 5.2 for transmitting torque and damping coupling coupled to the secondary mass unit 4 coupling device, the secondary mass unit 4 either part of the coupling device, in particular a first Coupling is or this wears used.
  • the solution according to the invention is not limited to a specific embodiment of the means 5.1, 5.2 for torque transmission and damping coupling.
  • the means for torque transmission and thus spring coupling are usually formed by spring units, which in addition can also take over the function of the damping elements.

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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)

Abstract

L'invention concerne un dispositif pour amortir des oscillations, notamment un amortisseur d'oscillations de torsion, comprenant une unité de masse primaire (3) et une masse secondaire (4) qui sont disposées coaxialement l'une à l'autre et qui sont accouplées l'une à l'autre par le biais de moyens de transfert de couple (5.1) et/ou d'un accouplement d'amortissement (5.2), ainsi qu'une unité constituée d'un élément transmetteur (11) et d'un anneau de masse (12), qui sont connectés à l'unité de masse primaire (3). L'invention est caractérisée en ce que la connexion de l'anneau de masse (12) et de l'élément transmetteur (11) à l'unité de masse primaire (3) s'effectue sensiblement sur un diamètre commun, considéré dans la direction périphérique sur l'unité de masse primaire (3).
PCT/DE2008/000850 2007-06-13 2008-05-16 Dispositif pour amortir des oscillations, notamment amortisseur d'oscillations de torsion WO2008151594A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112008001347.0T DE112008001347B4 (de) 2007-06-13 2008-05-16 Vorrichtung zur Dämpfung von Schwingungen, insbesondere einen Torsionsschwingungsdämpfer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007027174 2007-06-13
DE102007027174.5 2007-06-13

Publications (1)

Publication Number Publication Date
WO2008151594A1 true WO2008151594A1 (fr) 2008-12-18

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PCT/DE2008/000850 WO2008151594A1 (fr) 2007-06-13 2008-05-16 Dispositif pour amortir des oscillations, notamment amortisseur d'oscillations de torsion

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DE (2) DE102008023869A1 (fr)
WO (1) WO2008151594A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110998136A (zh) * 2017-06-29 2020-04-10 法雷奥离合器公司 配备有靶的旋转装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3078126A1 (fr) 2018-02-21 2019-08-23 Valeo Embrayages Roue phonique, procede de fabrication et dispositif rotatif equipe d'une telle roue

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4420934A1 (de) * 1993-06-19 1995-04-06 Luk Lamellen & Kupplungsbau Drehmomentübertragungseinrichtung
US5667047A (en) * 1994-07-15 1997-09-16 Fichtel & Sachs Ag Transmission of an internal combustion engine with a clutch with a two-mass flywheel
GB2385107A (en) * 1998-11-05 2003-08-13 Luk Lamellen & Kupplungsbau Folded element with ignition timing markings

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19710918B9 (de) 1997-03-15 2006-07-13 Zf Sachs Ag Verfahren zur Herstellung einer Zusatzmasse für eine Schwungmassenvorrichtung und Schwungmassenvorrichtung mit einer derart hergestellten Zusatzmasse
DE19817910B4 (de) 1998-04-22 2014-11-20 Rohs-Voigt Patentverwertungsgesellschaft Mbh Torsionsschwingungsdämpfer und Verfahren zu dessen Herstellung
DE19952143A1 (de) 1998-11-05 2000-05-11 Luk Lamellen & Kupplungsbau Bauteil zur Verbindung mit einer Kurbelwelle und Verfahren zu dessen Herstellung
ATE554308T1 (de) 2005-07-14 2012-05-15 Schaeffler Technologies Ag Zweimassenschwungrad

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4420934A1 (de) * 1993-06-19 1995-04-06 Luk Lamellen & Kupplungsbau Drehmomentübertragungseinrichtung
US5667047A (en) * 1994-07-15 1997-09-16 Fichtel & Sachs Ag Transmission of an internal combustion engine with a clutch with a two-mass flywheel
GB2385107A (en) * 1998-11-05 2003-08-13 Luk Lamellen & Kupplungsbau Folded element with ignition timing markings

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110998136A (zh) * 2017-06-29 2020-04-10 法雷奥离合器公司 配备有靶的旋转装置
CN110998136B (zh) * 2017-06-29 2023-02-28 法雷奥离合器公司 配备有靶的旋转装置

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Publication number Publication date
DE102008023869A1 (de) 2008-12-24
DE112008001347A5 (de) 2010-02-18
DE112008001347B4 (de) 2019-10-17

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