DE102011101162A1 - Centrifugal pendulum device - Google Patents

Centrifugal pendulum device

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Publication number
DE102011101162A1
DE102011101162A1 DE201110101162 DE102011101162A DE102011101162A1 DE 102011101162 A1 DE102011101162 A1 DE 102011101162A1 DE 201110101162 DE201110101162 DE 201110101162 DE 102011101162 A DE102011101162 A DE 102011101162A DE 102011101162 A1 DE102011101162 A1 DE 102011101162A1
Authority
DE
Germany
Prior art keywords
axial
inner surface
pendulum
pendulum mass
mass carrier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
DE201110101162
Other languages
German (de)
Inventor
Florian Baral
David Schnädelbach
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co 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
Priority to DE102010034808.2 priority Critical
Priority to DE102010034808 priority
Application filed by Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Priority to DE201110101162 priority patent/DE102011101162A1/en
Publication of DE102011101162A1 publication Critical patent/DE102011101162A1/en
Withdrawn legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/14Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers
    • F16F15/1407Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers the rotation being limited with respect to the driving means
    • F16F15/145Masses mounted with play with respect to driving means thus enabling free movement over a limited range

Abstract

The invention relates to a centrifugal pendulum device with axially arranged on both sides of a pivotable about a rotation axis pendulum mass carrier and pendulum mass forming pendulum masses, wherein the pendulum masses are formed to form the pendulum mass pair with the help of at least one by a cutout in the pendulum mass carrier fastening element together and wherein the pendulum mass pair with Help of at least one with an outer surface along an inner surface of a career formed in the pendulum mass carrier unrolling rolling against the pendulum mass carrier limited verschenkbar and wherein at a first circumferential position along the axial extent of the inner surface is a first axial point and a second axial point in the inner surface and wherein the first and second axial points are radially spaced from each other to form an axial course of the inner surface, and wherein the outer surface of the Abr Has ollelements on a the inner surface of the raceway axially overlapping portion at least two different and axially spaced-apart diameter.

Description

  • The invention relates to a centrifugal pendulum device with the features according to the preamble of claim 1.
  • From the DE 10 2006 028 556 A1 is a arranged in a drive train of a motor vehicle torsional vibration damper known. The torsional vibration damper enables transmission of a torque coming from a drive side, for example from an internal combustion engine, to an output side, for example a transmission, and moreover can cause damping of torsional vibrations as may be caused by the internal combustion engine. For this purpose, the torsional vibration damper on a drive part and on the effect of at least one energy storage element with respect to the drive part limited rotatable output part.
  • Furthermore, the torsional vibration damper comprises a centrifugal pendulum device for further damping and / or eradication of torsional vibrations in the drive train. The centrifugal pendulum device comprises a pendulum mass carrier rotatable about an axis of rotation and at least one pendulum mass pair consisting of two pendulum masses located axially on both sides of the pendulum mass carrier, which are connected to one another by means of fastening elements extending through cutouts in the pendulum mass carrier.
  • The pendulum mass pair is compared to the pendulum mass carrier via two rolling elements limited pivot. For this purpose, the rolling element comprises an outer surface which can be unrolled along an inner surface of a raceway formed in the pendulum mass carrier and whereby the rolling element is verifiable limited to the pendulum mass carrier. The inner surface is flat along its axial extent, that is along the axial extent of the inner surface is a first axial point and a second axial point in the rolling surface and the first and second axial point have a same radial distance from the axis of rotation. Under certain circumstances, it can lead to an axial displacement of the rolling element in the career of the pendulum mass carrier.
  • The object of the invention is to improve the guidance of a pendulum mass on a pendulum mass carrier, in particular to improve the axial guidance.
  • This object is achieved by a centrifugal pendulum device with the features of claim 1.
  • Accordingly, a centrifugal pendulum device with axially arranged on both sides of a pivotable about a rotation axis pendulum mass carrier and a pendulum mass pair pendulum masses proposed, the pendulum masses are formed to form the pendulum mass with the help of at least one by a cutout in the pendulum mass carrier fastening element together and wherein the pendulum mass with Help of at least one with an outer surface along an inner surface of a trained in the pendulum mass carrier career rolling over the pendulum mass carrier limited verschenkbar and wherein at a first circumferential position along the axial extent of the inner surface is a first axial point and a second axial point in the inner surface. In this case, the first and the second axial point for forming an axial course of the inner surface are radially spaced from each other, wherein the outer surface of the rolling element on a the inner surface of the raceway axially overlapping portion at least two different and axially spaced-apart diameter. As a result, an axial guidance of the rolling element in the raceway and in particular an axial securing can be effected.
  • Preferably, the centrifugal pendulum device is arranged on a torsional vibration damper and / or on a dual-mass flywheel and / or in a hydrodynamic torque converter. The rolling element is advantageously designed as a rolling element or as a roller bearing. Also, the rolling element may be formed as a stepped bolt.
  • In a preferred embodiment of the invention, the axial course of the outer surface of the rolling element is wedge-shaped, convex, triangular or rectangular. Also, a paragraph may be provided in the outer surface.
  • In an advantageous embodiment of the invention, the axial course between the first and second axial point is continuous and / or unsteady. In this case, a shoulder, a groove or the like may be incorporated in the inner surface. Also, the axial course of the inner surface L-shaped and / or be formed as a continuous curvature.
  • In a further embodiment of the invention, the inner surface at the first circumferential position along the axial extent of the inner surface has a third axial point, wherein the third axial point has a radial distance to the second axial point and wherein the second axial point axially between the first axial Point and the third axial point. Advantageously, the inner surface between the first and third axial point concave or convex. Also, the axial course may be pointed and / or have a plurality of deflection points and / or be formed wave-shaped. Also, a rectangular course can be provided.
  • In an advantageous embodiment of the invention, the rolling element on a complementary to the axial course of the inner surface formed on the outer surface. For example, the axial course of the inner surface may be concave and the outer surface may be convex or spherical.
  • In a further embodiment of the invention, the axial course of the inner surface is circumferentially sections, which means formed over a portion of the circumference of the inner surface. Preferably, the axial course of the inner surface is formed circumferentially along the inner surface swept over during the operation of the centrifugal pendulum device by the rolling movement of the rolling element on the track. Also, the axial course over the entire circumference of the inner surface may be formed.
  • In a further embodiment of the invention further complementary raceways are formed in the pendulum masses of the pendulum mass pair complementary to the track in the pendulum mass carrier, in which the rolling element is received and unrolled. In this case, the rolling element is preferably received and unrolled in the raceways of the pendulum masses with an axially central portion in the raceway of the pendulum mass carrier and mounted on both sides of the central portion axially outer portions.
  • Further advantages and advantageous embodiments of the invention will become apparent from the description and the drawings, in whose representation has been omitted in favor of the clarity of a true-to-scale reproduction. All features explained are applicable not only in the specified combination, but also in other combinations or in isolation, without departing from the scope of the invention.
  • The invention will be described in detail below with reference to the drawings. They show in detail:
  • 1 : Side view of a centrifugal pendulum device according to the prior art.
  • 2 : Spatial cross section view of a section of the centrifugal pendulum device 1 ,
  • 3 : Spatial cross-sectional view of a section of a centrifugal pendulum device in a special embodiment of the invention.
  • 4 : Cross section through a section of the centrifugal pendulum device 3 ,
  • 5 : Cross section through a section of a centrifugal pendulum device in a further specific embodiment of the invention.
  • 6 : Cross section through a section of a centrifugal pendulum device in a further specific embodiment of the invention.
  • In 1 is a centrifugal pendulum device 10 shown in side view according to the prior art. The centrifugal pendulum device 10 includes one about an axis of rotation 100 rotatable pendulum mass carrier 12 with incorporated in a radially inner region spring windows 14 for receiving energy storage elements, such as coil springs. The energy storage elements are available with the pendulum mass carrier 12 and a damper component, not shown here, of a torsional vibration damper in operative connection for enabling a rotation of the damper component relative to the pendulum mass carrier 12 under the effect of energy storage elements.
  • Radial inside the spring window 14 is on the pendulum mass carrier 12 an output hub 16 fastened, in particular riveted, wherein the output hub 16 about a gearing 18 is rotatably connected to a transmission input shaft.
  • Radially outside on the pendulum mass carrier 12 are four pendulum masses 18 arranged with not shown here axially opposite and on the other side of the pendulum mass carrier 12 pendulum masses are each connected to four pendulum mass pairs. The connection is made by means of three fasteners 20 per pendulum mass pair, with the fasteners 20 with the pendulum masses 18 are firmly connected and through cutouts 22 in the pendulum mass carrier 12 succeed. The cutouts 22 are shaped such that a pivoting of the pendulum masses 18 opposite the pendulum mass carrier 12 along a pendulum can be made possible. In particular, the cutouts 22 kidney-shaped.
  • The actual pivoting movement of the pendulum masses 18 opposite the pendulum mass carrier 12 is by rolling elements 24 and accordingly in the pendulum mass carrier 12 and in the pendulum masses 18 molded raceways 26 . 28 allows. These are per rolling mass pair two rolling elements 24 , for example, rolling elements, in particular stepped bolts in the respective raceways 26 . 28 arranged. The raceways 28 in the pendulum masses 18 of a pendulum mass pair are complementary to the career 26 in the pendulum mass carrier 12 educated. In particular, the career is 26 in the pendulum mass carrier 12 kidney-shaped and the raceways 28 in the pendulum masses 18 curved in opposite directions.
  • 2 shows a spatial cross-sectional view of a section of the centrifugal pendulum device 10 out 1 , The rolling elements 24 each have an outer surface 30 on, with these along an inner surface 32 the career 26 in the pendulum mass carrier 12 are unrolled. The inner surface 32 is along its axial extent with respect to an axial direction 102 just formed, that means along the axial extent of the inner surface 32 have a first axial point 34 and a second axial point 36 in the inner surface a same radial distance with respect to a radial direction 104 starting from the axis of rotation 100 ,
  • In 3 is a spatial cross-sectional view of a section of a centrifugal pendulum device 10 in a specific embodiment of the invention. The rolling element 24 is preferably designed as a rolling element and in particular as a stepped bolt whose axially central region 38 who the career 26 of the pendulum mass carrier 12 axially overlapped, has a larger diameter as the two adjacent axially outer regions 40 . 42 , The peripheral surfaces 42 the two axially outer regions 40 . 42 who are in the careers 28 the pendulum masses 18 of pendulum mass pair are rolled, are cylindrical.
  • 4 shows a cross section through a section of the centrifugal pendulum device 10 out 3 , In this case, the rolling element 24 at a circumferential position of the inner surface forming the circumference of the raceway 32 along the axial direction 102 a first axial point 34 and a second axial point 36 on, with the second axial point 36 to the first axial point 34 axially spaced. The first and the second axial point 34 . 36 are for forming an axial course of the inner surface 32 from each other also with respect to the radial direction 104 radially spaced from the rolling element. The axial course of the inner surface 32 is between the first and second axial points 34 . 36 formed steadily and curved. Furthermore, the inner surface 32 at the first and second axial points 34 . 36 associated circumferential position along the axial extent of the inner surface 32 a third axial point 44 on, with the third axial point 44 a radial distance to the second axial point 36 and in particular a same radial distance as the first axial point 34 having. The second axial point 36 lies axially between the first axial point 34 and the third axial point 44 , The inner surface 32 is in total between the first and the third axial point 34 . 44 concave.
  • Complementary to the axial course of the inner surface 32 is the outer surface 30 of the rolling element 24 formed such that these at one the inner surface 32 the career 26 axially overlapping section 46 at least two different and axially spaced diameters 48 . 50 having. Here is a mean diameter 50 greater than the axial outer diameter 48 and the outer surface 30 overall spherical and as reflected in the concave axial course of the inner surface 32 the career 26 inserting surface formed. This allows an axial guidance of the rolling element 24 in the career 26 and in particular an axial securing be effected.
  • The axial course of the inner surface 32 is circumferentially formed in sections, in particular over a peripheral portion of the inner surface 32 during operation of the centrifugal pendulum device 10 by the rolling movement of the rolling element 24 at the track 26 is swept over.
  • In 5 is a cross section through a section of a centrifugal pendulum device 10 represented in a further specific embodiment of the invention. In this case, the axial course of the outer surface 30 of the rolling element 24 at a circumferential position in a track of the pendulum mass carrier 12 covering area two kinks 52 on, with the inner surface 32 the career of the pendulum mass carrier 12 correspondingly complementary to the receiving of the rolling element 24 is trained.
  • 6 shows a cross section through a section of a centrifugal pendulum device 10 in a further specific embodiment of the invention. Here is the axial course of the outer surface 30 of the rolling element 24 and according to the shape of the track of the pendulum mass carrier 12 triangular with a kink 52 educated.
  • LIST OF REFERENCE NUMBERS
  • 10
    Centrifugal pendulum device
    12
    Pendulum mass carrier
    14
    spring windows
    16
    output hub
    18
    gearing
    20
    fastener
    22
    neckline
    24
    rolling element
    26
    career
    28
    career
    30
    outer surface
    32
    palm
    34
    First axial point
    36
    Second axial point
    38
    section
    40
    section
    42
    section
    44
    Third axial point
    46
    section
    48
    diameter
    50
    diameter
    52
    kink
    100
    axis of rotation
    102
    axial direction
    104
    radial direction
  • QUOTES INCLUDE IN THE DESCRIPTION
  • This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
  • Cited patent literature
    • DE 102006028556 A1 [0002]

Claims (8)

  1. Centrifugal pendulum device ( 10 ) with axially on both sides at one about an axis of rotation ( 100 ) rotatable pendulum mass carrier ( 12 ) arranged and a pendulum mass pair forming pendulum masses ( 18 ), whereby the pendulum masses ( 18 ) for forming the pendulum mass pair with the help of at least one by a section ( 22 ) in the pendulum mass carrier ( 12 ) sweeping fastener ( 20 ) and wherein the pendulum mass pair by means of at least one with an outer surface ( 30 ) along an inner surface ( 32 ) one in the pendulum mass carrier ( 12 ) trained career ( 26 ) roll-off rolling element ( 24 ) opposite the pendulum mass carrier ( 12 ) is limited verschenkbar and wherein at a first circumferential position along the axial extent of the inner surface ( 32 ) a first axial point ( 34 ) and a second axial point ( 36 ) in the inner surface ( 32 ) is characterized in that the first and the second axial point ( 34 . 36 ) for forming an axial course of the inner surface ( 32 ) are radially spaced from each other and wherein the outer surface ( 30 ) of the rolling element ( 24 ) on one's inner surface ( 32 ) of the career ( 26 ) axially overlapping portion ( 46 ) at least two different and axially spaced diameters ( 48 . 50 ) having.
  2. Centrifugal pendulum device ( 10 ) according to claim 1, characterized in that the axial course of the inner surface ( 32 ) between the first and second axial points ( 34 . 36 ) is continuous and / or unsteady.
  3. Centrifugal pendulum device ( 10 ) according to one of claims 1 or 2, characterized in that the inner surface ( 32 ) at the first circumferential position along the axial extent of the inner surface ( 32 ) a third axial point ( 44 ) and the third axial point ( 44 ) a radial distance to the second axial point ( 36 ), wherein the second axial point ( 36 ) axially between the first axial point ( 34 ) and the third axial point ( 44 ) lies.
  4. Centrifugal pendulum device ( 10 ) according to claim 4, characterized in that the inner surface ( 32 ) between the first and third axial points ( 34 . 44 ) is concave or convex.
  5. Centrifugal pendulum device ( 10 ) according to one of claims 1 to 4, characterized in that the rolling element ( 24 ) a complementary to the axial course of the inner surface ( 32 ) formed outer surface ( 30 ) having.
  6. Centrifugal pendulum device ( 10 ) according to one of claims 1 to 5, characterized in that the axial course of the inner surface ( 32 ) is circumferentially formed in sections.
  7. Centrifugal pendulum device ( 10 ) according to claim 6, characterized in that the axial course of the inner surface ( 32 ) circumferentially along during operation of the centrifugal pendulum device ( 10 ) by the rolling movement of the rolling element ( 24 ) on the track ( 26 ) of the rolling element ( 24 ) swept inside surface ( 32 ) is trained.
  8. Centrifugal pendulum device ( 10 ) according to one of claims 1 to 7, characterized in that in the pendulum masses ( 18 ) of the pendulum mass pair respectively complementary to the track ( 26 ) in the pendulum mass carrier ( 12 ) trained further careers ( 28 ) are formed, in which the rolling element ( 24 ) is recorded and unrolled.
DE201110101162 2010-08-19 2011-05-11 Centrifugal pendulum device Withdrawn DE102011101162A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE102010034808.2 2010-08-19
DE102010034808 2010-08-19
DE201110101162 DE102011101162A1 (en) 2010-08-19 2011-05-11 Centrifugal pendulum device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201110101162 DE102011101162A1 (en) 2010-08-19 2011-05-11 Centrifugal pendulum device

Publications (1)

Publication Number Publication Date
DE102011101162A1 true DE102011101162A1 (en) 2012-02-23

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DE202011004695U Active DE202011004695U1 (en) 2010-08-19 2011-03-31 Centrifugal pendulum device
DE201110101162 Withdrawn DE102011101162A1 (en) 2010-08-19 2011-05-11 Centrifugal pendulum device
DE112011102751.6T Active DE112011102751B4 (en) 2010-08-19 2011-05-11 Centrifugal pendulum device

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DE202011004695U Active DE202011004695U1 (en) 2010-08-19 2011-03-31 Centrifugal pendulum device

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Country Status (3)

Country Link
CN (1) CN103180635B (en)
DE (3) DE202011004695U1 (en)
WO (1) WO2012062239A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2949964A1 (en) 2014-05-30 2015-12-02 Schaeffler Technologies GmbH & Co. KG Centrifugal force pendulum
JP2018091487A (en) * 2012-06-12 2018-06-14 ヴァレオ アンブラヤージュ Pendular damping device having stabilized rolling element

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112014000773A5 (en) * 2013-02-12 2015-10-22 Schaeffler Technologies AG & Co. KG Centrifugal pendulum device
WO2015021968A1 (en) * 2013-08-12 2015-02-19 Schaeffler Technologies Gmbh & Co. Kg Centrifugal force pendulum
DE102015201801B4 (en) * 2015-02-03 2017-07-06 Schaeffler Technologies AG & Co. KG Centrifugal pendulum device and torsional vibration damper
DE102017114821A1 (en) * 2016-07-05 2018-01-11 Schaeffler Technologies AG & Co. KG Spherical roller for centrifugal pendulum device
FR3067080A1 (en) * 2017-06-06 2018-12-07 Valeo Embrayages Pendular damping device

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DE102006028556A1 (en) 2005-07-11 2007-01-18 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Torque transmission device for torque transmission between drive unit e.g. internal combustion engine has castors which consists of collar, arranged between pendulum mass and pendulum mass supporting unit

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EP1780434A3 (en) * 2005-10-29 2009-01-14 LuK Lamellen und Kupplungsbau Beteiligungs KG Clutch device
DE102006028552A1 (en) * 2005-10-29 2007-05-03 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Clutch device has clutch plate and pendulum mass mounting device of centrifugal force pendulum device enfolds several pendulum masses which are movably attached at pendulum mass mounting device
EP1865222A1 (en) * 2006-06-10 2007-12-12 LuK Lamellen und Kupplungsbau Beteiligungs KG Pendulum device operating with centrifugal force
DE102009042825B4 (en) * 2008-10-30 2016-09-15 Schaeffler Technologies AG & Co. KG Torque transfer device
DE102009042812A1 (en) * 2008-11-24 2010-05-27 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Torsional damping device for motor vehicle, has flywheel element connected with output shaft of engine, and inertial masses guided into flange by body in statically determined manner, where paths lie in flange and inertial masses
DE102009042836A1 (en) * 2008-11-24 2010-05-27 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Centrifugal force pendulum for torque transmission device, has rolling body assigned to career shifts, and connecting element arranged between careers of pendulum masses along circumferential direction
DE102010005599B4 (en) * 2009-02-09 2018-05-09 Schaeffler Technologies AG & Co. KG centrifugal pendulum
DE102010029464A1 (en) * 2010-05-28 2011-12-01 Zf Friedrichshafen Ag Torsionsschwingungsdämpferanordnung and vibration damper device, in particular in a Torsionsschwingungsdämpferanordnung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006028556A1 (en) 2005-07-11 2007-01-18 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Torque transmission device for torque transmission between drive unit e.g. internal combustion engine has castors which consists of collar, arranged between pendulum mass and pendulum mass supporting unit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018091487A (en) * 2012-06-12 2018-06-14 ヴァレオ アンブラヤージュ Pendular damping device having stabilized rolling element
EP2949964A1 (en) 2014-05-30 2015-12-02 Schaeffler Technologies GmbH & Co. KG Centrifugal force pendulum
DE102015209871A1 (en) 2014-05-30 2015-12-03 Schaeffler Technologies AG & Co. KG centrifugal pendulum

Also Published As

Publication number Publication date
CN103180635A (en) 2013-06-26
DE202011004695U1 (en) 2011-09-26
CN103180635B (en) 2015-04-01
DE112011102751B4 (en) 2019-02-21
DE112011102751A5 (en) 2013-07-04
WO2012062239A1 (en) 2012-05-18

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