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WO2015090308A1 - Amortisseur de vibrations de torsion muni d'un pendule centrifuge - Google Patents

Amortisseur de vibrations de torsion muni d'un pendule centrifuge Download PDF

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Publication number
WO2015090308A1
WO2015090308A1 PCT/DE2014/200655 DE2014200655W WO2015090308A1 WO 2015090308 A1 WO2015090308 A1 WO 2015090308A1 DE 2014200655 W DE2014200655 W DE 2014200655W WO 2015090308 A1 WO2015090308 A1 WO 2015090308A1
Authority
WO
WIPO (PCT)
Prior art keywords
torsional vibration
vibration damper
input part
flange
pendulum
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.)
Ceased
Application number
PCT/DE2014/200655
Other languages
German (de)
English (en)
Inventor
Pascal Strasser
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
Application filed by Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Priority to DE112014005914.5T priority Critical patent/DE112014005914A5/de
Publication of WO2015090308A1 publication Critical patent/WO2015090308A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/131—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
    • F16F15/13107—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 for damping of axial or radial, i.e. non-torsional vibrations
    • 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
    • F16F15/139—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 friction-damping means
    • 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
    • F16F15/14—Suppression 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
    • F16F15/1407—Suppression 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
    • F16F15/145—Masses mounted with play with respect to driving means thus enabling free movement over a limited range
    • 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
    • F16F2230/00—Purpose; Design features
    • F16F2230/30—Sealing arrangements

Definitions

  • the invention relates to a torsional vibration damper with a recorded on a crankshaft of an internal combustion engine input part and a centered relative to the input part, against the action of a spring means limited about a rotational axis of the torsional vibration damper rotatable output member having an output side hub portion and a recorded on the hub part centrifugal pendulum.
  • Generic torsional vibration dampers are used for the torsional vibration isolation of torsional vibrations in drive trains of motor vehicles, in particular of internal combustion engines.
  • centrifugal pendulums arranged in particular on the output part are provided by means of a spring device arranged between an input part and an output part and having an optionally connected friction device.
  • a torsional vibration damper in the form of a dual mass flywheel is known in which the input part is mounted on the output part against the action of a spring device such as bow springs against each other limited rotatable one another.
  • the bearing and the output part are transmitted to the centrifugal pendulum, so that the setting of a pendulum balance of the pendulum masses is disturbed against the pendulum connected to the output part and the efficiency of the centrifugal pendulum decreases.
  • the object of the invention is therefore to propose a torsional vibration damper with output side arranged centrifugal pendulum with improved effect.
  • the proposed torsional vibration damper includes an input part, which is accommodated on a crankshaft of an internal combustion engine and can form a primary flywheel. Compared to the input part is limited to a common axis of rotation rotatably provided an output part. Between input part and output part is an effective spring in the circumferential direction, which is formed for example from over the circumference arranged coil springs, preferably bow springs. Input part and output part have loading areas for compressing the spring device in a relative rotation of these against each other.
  • the spring device can be used in a least partially filled with lubricant ring chamber be accommodated, which is preferably formed for example by formed to the annular chamber disc parts of the output part.
  • the Input part and output part are centered on each other with respect to the common axis of rotation.
  • the output part includes a hub part and a centrifugal pendulum held on this with a pendulum and with respect to this in the radial direction and limited circumferentially pivotable, one or both sides of the pendulum, recorded on raceways in the centrifugal force against the pendulum flange rolling down pendulum masses.
  • the pendulum can be integrally integrated into the hub part or connected as a separate component with this riveted. To at least reduce the influence of axial vibrations of the crankshaft, the centrifugal pendulum is compared to the input part axially elastically decoupled.
  • At least one axially effective energy store is provided in a force path between the pendulum flange and the input part.
  • the input part and the pendulum flange are at least axially spaced from each other so far that a maximum amplitude of the axial vibrations is exceeded.
  • axial oscillations of the crankshaft relative to the pendulum flange can be at least partially damped, so that the pendulum flange is spared by hard Axialdite and the pendulum masses trouble-free or trouble-free on their careers with respect to the pendulum preferably roll over intermediate rolling elements.
  • the input part against the pendulum of the centrifugal pendulum pendulum is arranged axially against the action of at least one energy storage floating.
  • loading devices connected to the hub part may be provided which, for example, act on the end faces of coil springs forming the spring device in the circumferential direction.
  • Such loading means may preferably be radially outwardly extended and preferably in an existing annular chamber with the spring means of radially inwardly engaging arms of a flange.
  • the flange part can be integrally integrated in the hub part or in the pendulum flange. As separate, for example formed from sheet metal components - hub part, pendulum, flange - can be connected together or in pairs to form a unit, for example, be riveted together.
  • the hub part can be flanked by the flange part on the one hand and the pendulum flange on the other hand.
  • the centrifugal pendulum can be axially provided in addition to an optionally present annular chamber for the spring device, wherein the spring means wet and the centrifugal pendulum is operated dry.
  • a friction device can be provided, which is effective at least over part of the relative rotation provided between them and thus the spring device at least partially connected in series and / or parallel or upstream and / or downstream.
  • the friction rings can form the centering of the flange and thus of the output part relative to the input part, seal the annular chamber and also form an axial floating receptacle of the flange and thus of this axially fixedly connected pendulum against the disc parts and thus with respect to the input part.
  • the flange is received on both sides with axial play in the friction rings, on the axial play in each case an axially effective energy storage, such as a plate spring is clamped so that a floating receiving the flange is provided against the action of both sides, axially effective energy storage and over Input part transmitted to the friction rings axial vibrations effective against the flange and thus against the output part are damped with its centrifugal pendulum.
  • an axially effective energy storage such as a plate spring is clamped so that a floating receiving the flange is provided against the action of both sides, axially effective energy storage and over Input part transmitted to the friction rings axial vibrations effective against the flange and thus against the output part are damped with its centrifugal pendulum.
  • the disc springs used as an axially effective energy storage are based on the one hand on the flange and on the other hand on the friction rings, so that they simultaneously bias the reverse of the flange part entrained friction against their friction partners in the form of the disc parts, so that for axial vibration isolation of the output part of the input part no additional components are required and a cost-effective torsional vibration damper can be proposed.
  • the hub part is provided to provide a floating arrangement axially displaceable relative to the input part, for example on a transmission input shaft of a transmission or other coaxial with the crankshaft arranged wave.
  • the input part and the hub part or another component of the output part for example, a secondary flywheel rotatably mounted on each other by means of a bearing such as rolling or sliding bearings, wherein the bearing for forming the vibration isolation of registered in the input part axial vibrations is also provided floating.
  • a bearing such as rolling or sliding bearings
  • the torsional vibration damper can be designed as a dual mass flywheel with a primary flywheel assigned to the input part and a secondary flywheel connected to the hub part.
  • a plurality of disk parts for example folded metal sheet additional mass, a starter ring gear, a donor ring and / or the like form the primary flywheel.
  • the secondary flywheel can be connected directly to the pendulum flange of the centrifugal pendulum, the flange and / or the hub part.
  • the secondary flywheel is formed by a rotationally connected to the hub part unit of the drive train, such as a dual clutch, a hydrodynamic torque converter, a rotor of an electric machine and / or the like.
  • FIG. 1 shows a partial section through a torsional vibration damper with centrifugal pendulum
  • FIG. 2 shows a detail of FIG. 1.
  • FIG. 1 shows the upper part of the torsional vibration damper 1 rotatable about the axis of rotation d in section.
  • the input part 2 is formed as a primary flywheel mass from the disk parts 3 and 4, which are formed from sheet metal parts and welded together, the starter ring gear 5 and the burst protection 6 for the centrifugal pendulum 7.
  • the disk part 3 is connectable by means of the openings 8 and the disk part 9 with a crankshaft of an internal combustion engine, for example screwed.
  • the two disc parts 3, 4 form the annular chamber 10 for the nested, possibly a multi-level curve forming bow springs 12, 13 formed spring means 1 1.
  • non-visible loading devices are the end faces of the bow springs 12, 13 acted upon by a provided single-stage or multi-stage characteristic of the torsional vibration damper 1 at the same or different angles of rotation of the input part 2 relative to the output member 14.
  • the output part 14 contains the hub part 15, which is connected by means of the internal teeth 16 with a shaft, for example another, a secondary flywheel forming unit, such as a double clutch, a hydrodynamic torque converter or the like rotationally locked and axially relative to the input part 2 displaced. Facing the input part 2, the flange part 17 faces away from the input part and the pendulum flange 18 of the centrifugal pendulum 7 is fastened to the hub part 15 by means of preferably common fastening means such as rivets.
  • the pendulum flange 18 on both sides and each axially oppositely connected arranged around the circumference pendulum masses 19 which roll by means of rolling 20 on raceways of the pendulum masses 19 and the pendulum 18 to form oscillation angles and thus in the centrifugal force field of the rotating torsional vibration damper 1 a speed-dependent torsional vibration damper form.
  • the flange 17 forms by means not shown, outwardly expanded, engaging in the annular chamber 10 and the end faces of the bow springs 12,13 at least partially radially overlapping arms the output side loading means for the spring device 1 first
  • the friction device 21 which is effectively arranged between the input part 2 and the output part 14, is arranged radially inside the annular chamber 10. It is formed from the two frictional engagement with the disk parts 3, 4 forming friction rings 22, 23 each.
  • the friction rings 22, 23 mounted with or without circumferential clearance in the flange 17.
  • the friction rings 22, 23 overlap radially outward in gaps 24 of the flange portion 17 axially, so that in connection with the flange 17 an at least approximately tight seal of preferably at least partially filled with lubricant for lubricating the bow springs 12, 13 filled annular chamber 10 radially inward is.
  • axially effective energy storage 25, 26 - here in the form of disc springs - are provided on both sides of the flange. Due to the axially elastic in both directions by means of the energy storage 25, 26 clamped flange member 17 and the axially displaceable receiving the hub member 15 by means of the internal teeth 16 a hard stop of the flange 17 and thus the pendulum flange 18 is avoided at the input part 2.

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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 amortisseur de vibrations de torsion comprenant une partie entrée (2) logée au niveau d'un vilebrequin d'un moteur à combustion interne et une partie sortie (14) centrée par rapport à la partie entrée, pouvant tourner autour d'un axe de rotation (d) de l'amortisseur de vibrations de torsion de manière limitée à l'encontre de l'action d'un système de ressort (11), et comprenant côté sortie un élément moyeu (15) et un pendule centrifuge (7) logé sur l'élément moyeu (15). L'invention vise à au moins réduire l'action des vibrations axiales du moteur à combustion interne sur le pendule centrifuge. A cet effet, le pendule centrifuge est désaccouplé élastiquement axialement de la partie entrée.
PCT/DE2014/200655 2013-12-18 2014-11-26 Amortisseur de vibrations de torsion muni d'un pendule centrifuge Ceased WO2015090308A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112014005914.5T DE112014005914A5 (de) 2013-12-18 2014-11-26 Drehschwingungsdämpfer mit Fliehkraftpendel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013226328 2013-12-18
DE102013226328.7 2013-12-18

Publications (1)

Publication Number Publication Date
WO2015090308A1 true WO2015090308A1 (fr) 2015-06-25

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ID=52117842

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2014/200655 Ceased WO2015090308A1 (fr) 2013-12-18 2014-11-26 Amortisseur de vibrations de torsion muni d'un pendule centrifuge

Country Status (2)

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DE (1) DE112014005914A5 (fr)
WO (1) WO2015090308A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017101924A1 (fr) * 2015-12-14 2017-06-22 Schaeffler Technologies AG & Co. KG Pendule centrifuge découplé pour dispositif de transmission de couple
DE102017107995A1 (de) * 2017-04-13 2018-10-18 Schaeffler Technologies AG & Co. KG Als Zweimassenschwungrad aufgebauter Drehschwingungsdämpfer
DE102017125917A1 (de) 2017-11-07 2019-05-09 Schaeffler Technologies AG & Co. KG Drehschwingungsdämpfer
WO2020049035A1 (fr) * 2018-09-06 2020-03-12 Zf Friedrichshafen Ag Dispositif pour l'amortissement d'oscillations de torsion dans un groupe motopropulseur
CN112696457A (zh) * 2019-10-23 2021-04-23 舍弗勒技术股份两合公司 皮带轮脱耦器
US20220056982A1 (en) * 2020-08-20 2022-02-24 Exedy Corporation Damper device
DE102023102916A1 (de) 2023-02-07 2024-08-08 Schaeffler Technologies AG & Co. KG Drehschwingungsdämpfer mit einem als Blechpaket aufgebauten Dämpferbauteil

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011088049A1 (de) 2010-12-24 2012-08-23 Schaeffler Technologies Gmbh & Co. Kg Drehmomentübertragungseinrichtung
DE102012200966A1 (de) * 2012-01-24 2013-07-25 Schaeffler Technologies AG & Co. KG Drehschwingungsdämpfer in einem Antriebsstrang eines Kraftfahrzeugs
DE102013205181A1 (de) * 2012-04-16 2013-10-17 Schaeffler Technologies AG & Co. KG Zentrierelement für einen Drehschwingungsdämpfer und Drehschwingungsdämpfer mit einem Zentrierelement
DE102012215867A1 (de) * 2012-09-07 2014-03-13 Schaeffler Technologies AG & Co. KG Drehschwingungsdämpfer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011088049A1 (de) 2010-12-24 2012-08-23 Schaeffler Technologies Gmbh & Co. Kg Drehmomentübertragungseinrichtung
DE102012200966A1 (de) * 2012-01-24 2013-07-25 Schaeffler Technologies AG & Co. KG Drehschwingungsdämpfer in einem Antriebsstrang eines Kraftfahrzeugs
DE102013205181A1 (de) * 2012-04-16 2013-10-17 Schaeffler Technologies AG & Co. KG Zentrierelement für einen Drehschwingungsdämpfer und Drehschwingungsdämpfer mit einem Zentrierelement
DE102012215867A1 (de) * 2012-09-07 2014-03-13 Schaeffler Technologies AG & Co. KG Drehschwingungsdämpfer

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017101924A1 (fr) * 2015-12-14 2017-06-22 Schaeffler Technologies AG & Co. KG Pendule centrifuge découplé pour dispositif de transmission de couple
CN108350978A (zh) * 2015-12-14 2018-07-31 舍弗勒技术股份两合公司 用于转矩传递装置的脱耦式离心力摆
DE102017107995A1 (de) * 2017-04-13 2018-10-18 Schaeffler Technologies AG & Co. KG Als Zweimassenschwungrad aufgebauter Drehschwingungsdämpfer
DE102017125917A1 (de) 2017-11-07 2019-05-09 Schaeffler Technologies AG & Co. KG Drehschwingungsdämpfer
WO2020049035A1 (fr) * 2018-09-06 2020-03-12 Zf Friedrichshafen Ag Dispositif pour l'amortissement d'oscillations de torsion dans un groupe motopropulseur
CN112654801A (zh) * 2018-09-06 2021-04-13 采埃孚股份公司 用于使动力传动系中的扭振衰减的设备
CN112654801B (zh) * 2018-09-06 2023-02-28 采埃孚股份公司 用于使动力传动系中的扭振衰减的设备
CN112696457A (zh) * 2019-10-23 2021-04-23 舍弗勒技术股份两合公司 皮带轮脱耦器
CN112696457B (zh) * 2019-10-23 2025-03-28 舍弗勒技术股份两合公司 皮带轮脱耦器
US20220056982A1 (en) * 2020-08-20 2022-02-24 Exedy Corporation Damper device
US12049937B2 (en) * 2020-08-20 2024-07-30 Exedy Corporation Damper device
DE102023102916A1 (de) 2023-02-07 2024-08-08 Schaeffler Technologies AG & Co. KG Drehschwingungsdämpfer mit einem als Blechpaket aufgebauten Dämpferbauteil

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