WO2011157255A1 - Dispositif pendulaire à force centrifuge - Google Patents

Dispositif pendulaire à force centrifuge Download PDF

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Publication number
WO2011157255A1
WO2011157255A1 PCT/DE2011/001130 DE2011001130W WO2011157255A1 WO 2011157255 A1 WO2011157255 A1 WO 2011157255A1 DE 2011001130 W DE2011001130 W DE 2011001130W WO 2011157255 A1 WO2011157255 A1 WO 2011157255A1
Authority
WO
WIPO (PCT)
Prior art keywords
pendulum
pendulum mass
guide element
mass carrier
centrifugal
Prior art date
Application number
PCT/DE2011/001130
Other languages
German (de)
English (en)
Inventor
Parviz Movlazada
Original Assignee
Schaeffler Technologies Gmbh & 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 Gmbh & Co. Kg filed Critical Schaeffler Technologies Gmbh & Co. Kg
Priority to DE112011101985.8T priority Critical patent/DE112011101985B4/de
Publication of WO2011157255A1 publication Critical patent/WO2011157255A1/fr

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
    • F16F15/14—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

Definitions

  • the invention relates to a centrifugal pendulum device with the features according to the preamble of claim 1.
  • the centrifugal pendulum device for the eradication and / or damping of torsional vibrations in the drive train comprises a pendulum mass carrier rotatable about an axis of rotation and at least one pendulum mass pair arranged thereon consisting of two axially opposed pendulum masses, which are connected to each other by means of fastening elements passing through recesses in the pendulum mass carrier.
  • the pendulum mass pair is compared to the pendulum mass carrier limited by a rolling element pivotable wherein the rolling element is guided in raceways in the pendulum mass carrier and in respective raceways in the pendulum masses of the pendulum mass pair and unrolled therein.
  • On the circumference at least two pendulum mass pairs are arranged adjacent to the pendulum mass carrier.
  • the circumferentially adjacent pendulum masses can hit each other, which leads to disturbing noises.
  • the fastener received in the recesses on the pendulum mass carrier can strike against the boundary of the recess, resulting in further disturbing noises.
  • the object of the invention is to improve the noise comfort of a centrifugal pendulum device.
  • a centrifugal pendulum device with a pivotable about a rotation axis pendulum mass carrier and at least one pendulum mass pair consisting of two axially opposite and interconnected by means of recesses in the pendulum mass carrier cross-fasteners pendulum masses, the pendulum mass compared to the pendulum mass carrier using a respective raceways is limited pivotally mounted on the pendulum mass carrier and the pendulum masses and rolled therein rolling element and at least two Pendetmassenclame circumferentially adjacent to the pendulum mass carrier are arranged and arranged on at least one side of the pendulum mass carrier between two circumferentially adjacent pendulum masses a guide element to maintain a minimum distance between the circumferentially adjacent pendulum masses.
  • the guide element is received about a pivot axis extending parallel to the pivot axis pivotally mounted on the pendulum mass carrier.
  • a guidance of the pendulum masses and an abutment of the pendulum masses with one another and / or the fastening elements in the recesses of the pendulum mass carrier can be prevented or at least reduced and whereby the occurring noise can be reduced.
  • the guide element is loosely connected to the pendulum masses, in particular, the pendulum masses can move away from them regardless of the guide element.
  • the pendulum masses can directly touch the guide element.
  • the side contour is rounded in each case circumferentially adjacent pendulum masses.
  • the side contour is configured circular, whereby a low-friction interface between the side contour and the guide element can be made possible.
  • the guide element is pivotally received on a bolt attached to the pendulum mass carrier.
  • the guide member may be received on a rolling bearing, for example on an inner ring wherein the outer ring is fixedly connected to the pendulum mass carrier.
  • the guide element can be accommodated on the bolt via a roller bearing.
  • the guide element partially surrounds the bolt and has a cylindrical or tubular portion extending away from the bolt.
  • the guide member may be received on the bolt via at least three support sections.
  • a fastening element of a first pendulum mass pair and a fastening element of a second pendulum mass pair are circumferentially adjacent to each other and received in a common and formed from the pendulum mass carrier recess.
  • the recess has a top view the pendulum mass carrier substantially the shape of a circular arc and the pivot axis of the guide member is radially within the recess.
  • the guide element and the respectively adjoining pendulum masses are in contact with each other. Also can be provided in the neutral position of the centrifugal pendulum device in which all pendulum masses under centrifugal force the radially outermost position occupied a distance between the pendulum masses and the guide element.
  • the guide element acts resiliently between the adjacent pendulum masses.
  • FIG. 1a is a top view of a centrifugal pendulum device in a special embodiment of the invention in a first operating state.
  • FIG. 1 b Enlarged view of the detail A from FIG. 1.
  • Figure 2a Top view of the centrifugal pendulum device of Figure 1 in a second operating state.
  • FIG. 2b Enlarged view of the detail B from FIG. 1.
  • Figure 3a guide element in a specific embodiment of the invention.
  • Figure 3b guide element in a further specific embodiment of the invention.
  • Figure 3c guide element in a further specific embodiment of the invention.
  • Figure 3d guide element in a further specific embodiment of the invention.
  • a centrifugal pendulum device 10 is shown in a specific embodiment of the invention in plan view.
  • two pendulum masses 14 are connected to a pendulum mass pair 15.
  • the attachment of the pendulum masses 14 is effected among each other to a pendulum mass pair 15 by fasteners 16 which are received in recesses 18 in the pendulum mass carrier 12 and movable therein, so that movement of the pendulum mass 15 with respect to the Pendulum mass carrier 12 along a pendulum is made possible.
  • a pendulum mass pair 15 is held together by a total of three fasteners 16 wherein the fastener 16 of a pendulum mass pair 5 and the adjacent fastener of the circumferentially adjacent pendulum mass pair are received in a common recess 18 in the pendulum mass carrier 12.
  • the recess 8 Viewed in plan view of the pendulum mass carrier 12, the recess 8 has a substantially arcuate shape.
  • the essentially circular pendulum track of the pendulum mass pair 15 relative to the pendulum mass carrier 1 is made possible by two rolling elements 20, which are received in raceways 22, 24 in a respective pendulum mass 14 and in the pendulum mass carrier 12 and unrolled therein.
  • the rolling elements 20 may be designed as rolling elements or as a rolling bearing.
  • the raceways 22 in the pendulum mass carrier 12 and in the pendulum mass 14 have a substantially kidney-shaped shape, which are oppositely curved aligned and allow this design, a rolling of the two rolling elements 20 so that the pendulum mass 14 can pass through a pendulum track along the pendulum mass carrier 12 , which is characterized by a uniform and located radially within the pendulum masses 14 pendulum center.
  • a guide element 26 is accommodated on a bolt 28 and pivotable relative to the bolt 28 with a uniform pivot axis 30. Also may be mounted between the arranged on the axially opposite side of the pendulum mass carrier 12 pendulum masses another guide element.
  • the bolt 28 can be formed continuously extending through the pendulum mass carrier 12 and fixedly connected thereto.
  • the bolt 28 and thus also the pivot axis 30 of the guide element 26 lie radially within the circular shaped recess 18, in which the two fastening elements 16 each adjacent pendulum masses 14 run together.
  • the guide element 26 surrounds the bolt 28 with a first element section 32.
  • a cylindrical or tubular second element section 34 of the guide element 26 extends from this first element section 32.
  • the interface between pendulum mass 14 and guide element 26 should also be designed with the aim of generating as little friction as possible, for which purpose the side contour 36 of the pendulum mass 14 that can be brought into contact with the guide element 26 is circular.
  • the side surface 38 of the second element section 34 in all operating states of the centrifugal pendulum device 0 is tangential to the side contour 36 of the pendulum masses 14 pivotally.
  • the guide element 26 and the respective pendulum masses 14 adjacent thereto may be in contact in all operating states of the centrifugal pendulum device 190 or it may be provided a distance therebetween.
  • the goal may also be to leave as little distance as possible between the circumferentially adjacent pendulum masses, ie to make the second element section 34 of the guide element 26 as narrow as possible on the circumference, so that a relative movement of the pendulum masses 14 is possible.
  • the guide member 26 can act resiliently on the adjacent pendulum masses 14 in some or all operating states of the centrifugal pendulum device 10, so that the pendulum masses 15 are mutually pushed away from each other.
  • the centrifugal pendulum device 0 is shown in Figure 1a and Figure 1b in a first operating state in which the pendulum masses 14 are displaced radially towards the pendulum mass carrier 12 in a neutral position, due to the rotational movement of the rotating pendulum mass carrier 12 and the centrifugal forces thereby occurring.
  • Figure 2a and the enlarged detail B of Figure 2a in Figure 2b show the centrifugal pendulum device 10 of Figure 1a and Figure 1b in a second operating state in which the maximum swing angle of the pendulum is reached, in which therefore the pendulum masses 14, the maximum deflection relative to the pendulum mass carrier 12 along the aerial tramway.
  • the guide member 26 is compared to the first operating state to the Pivot axis 30 is pivoted and the pendulum mass 14 is no longer exclusively with the side contour 36 in engagement with the guide member 26 but also with the inner contour 40, which is adapted to the shape of the guide member 26 sections, for example by having a bulge 42.
  • the guide elements 26 together with the pendulum masses 14 stops to limit the maximum deflection of the pendulum mass 14 and there are no longer separate stops provided, as these are usually formed by means of the fasteners 16 and the respective recess 18 in the pendulum mass carrier 12 ,
  • the recess 18 can be made extended, so that the maximum deflection of the pendulum masses 14 relative to the pendulum mass carrier 12 is achieved via the action of the guide elements 26 before the fasteners 16 can strike the boundary of the respective recesses 18.
  • a guide member 26 is shown in a speckeilen embodiment of the invention.
  • the guide member 26 made of sheet metal, for example, surrounds the bolt 28 with a first element section 32, which has three support sections 44 facing the bolt 28, via which the guide element 26 can come into contact with the bolt 28.
  • This embodiment allows a reduced friction pivoting of the guide member 26 relative to the pin 28. From the first element portion 32 extends from a cylindrical or tubular second element portion 34th
  • FIG. 3b and FIG. 3c show further specific embodiments of the guide element 26 with four support sections 44 in FIG. 3b and twelve support sections 44 in FIG. 3c. Also, guide elements 26 with a number of support portions 44 are conceivable, which is greater than twelve or between one and twelve.
  • FIG. 3d shows a further specific embodiment of the guide element 26.
  • the guide element 26 has only a single support portion 44 in the first element portion 32 and a fully cylindrical second element portion 34 and may be made of a material having a low density, for example made of plastic.
  • the material of the guide element 26 causes the least possible friction between the guide element 26 and the pin 28.
  • other materials are conceivable that are as resistant to wear and have a low density. List of accessories for centrifugal pendulum device

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Bearings For Parts Moving Linearly (AREA)
  • One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)

Abstract

L'invention concerne un dispositif pendulaire à force centrifuge (10) muni d'un support de masses pendulaires (12) et d'au moins une paire de masses pendulaires (15) qui y est fixée, formée de deux masses pendulaires (14) axialement opposées, un élément de guidage (26) étant disposé sur au moins un côté du support de masses pendulaires (12) entre deux masses pendulaires (14) adjacentes sur la périphérie, ledit élément étant logé sur le support de masses pendulaires (12) pivotant autour d'un axe de pivotement (30) s'étendant parallèlement à l'axe de rotation.
PCT/DE2011/001130 2010-06-14 2011-05-30 Dispositif pendulaire à force centrifuge WO2011157255A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112011101985.8T DE112011101985B4 (de) 2010-06-14 2011-05-30 Fliehkraftpendeleinrichtung

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102010023724 2010-06-14
DE102010023724.8 2010-06-14
DE102010051914.6 2010-11-18
DE102010051914 2010-11-18

Publications (1)

Publication Number Publication Date
WO2011157255A1 true WO2011157255A1 (fr) 2011-12-22

Family

ID=45020241

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2011/001130 WO2011157255A1 (fr) 2010-06-14 2011-05-30 Dispositif pendulaire à force centrifuge

Country Status (2)

Country Link
DE (2) DE102011102812A1 (fr)
WO (1) WO2011157255A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012000482A3 (fr) * 2010-06-29 2012-04-19 Schaeffler Technologies AG & Co. KG Dispositif d'oscillation centrifuge
DE102014217304A1 (de) 2014-08-29 2016-03-03 Zf Friedrichshafen Ag Fliehkraftpendeleinrichtung
JP2016121710A (ja) * 2014-12-24 2016-07-07 株式会社エクセディ 自動車用の動吸振装置、及びトルクコンバータのロックアップ装置
US9702433B2 (en) 2013-04-11 2017-07-11 Ford Global Technologies, Llc Internal combustion engine with centrifugal pendulum device, and method for producing the centrifugal pendulum device of such an internal combustion engine

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2986296B1 (fr) * 2012-01-26 2017-03-03 Valeo Embrayages Dispositif de transmission de couple pour vehicule automobile
FR2990736B1 (fr) * 2012-05-21 2014-05-16 Valeo Embrayages Dispositif de transmission de couple pour vehicule automobile
DE102013204711A1 (de) * 2013-03-18 2014-09-18 Zf Friedrichshafen Ag Tilgerschwingungsdämpfer
DE102013211966A1 (de) * 2013-06-25 2015-01-08 Zf Friedrichshafen Ag Tilgerschwingungsdämpfer
DE102013217091A1 (de) 2013-08-28 2015-03-05 Zf Friedrichshafen Ag Tilgersystem
FR3010475B1 (fr) 2013-09-10 2015-08-21 Valeo Embrayages Dispositif d'amortissement pendulaire
WO2015043588A1 (fr) * 2013-09-26 2015-04-02 Schaeffler Technologies AG & Co. KG Pendule centrifuge présentant un amortisseur d'impact
WO2015149789A1 (fr) * 2014-03-31 2015-10-08 Schaeffler Technologies AG & Co. KG Ensemble pendule centrifuge doté d'un élément de guidage
FR3065265B1 (fr) * 2017-04-18 2019-11-22 Valeo Embrayages Dispositif d'amortissement de torsion
US20200032875A1 (en) * 2017-04-28 2020-01-30 Aisin Aw Co., Ltd. Vibration damping device
DE102018222244A1 (de) * 2018-12-19 2020-06-25 Zf Friedrichshafen Ag Drehschwingungsdämpfungsanordnung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10224874A1 (de) * 2001-06-12 2002-12-19 Luk Lamellen & Kupplungsbau Drehmomentübertragungseinrichtung
GB2413614A (en) * 2004-05-01 2005-11-02 Safe Developments Ltd A flywheel with pendulum masses tracking an order of vibration across engine speeds
DE102006028556A1 (de) 2005-07-11 2007-01-18 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Drehmomentübertragungseinrichtung
DE102009042836A1 (de) * 2008-11-24 2010-05-27 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Fliehkraftpendel

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011110150A1 (fr) 2010-03-11 2011-09-15 Schaeffler Technologies Gmbh & Co. Kg Dispositif pendulaire à force centrifuge

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10224874A1 (de) * 2001-06-12 2002-12-19 Luk Lamellen & Kupplungsbau Drehmomentübertragungseinrichtung
GB2413614A (en) * 2004-05-01 2005-11-02 Safe Developments Ltd A flywheel with pendulum masses tracking an order of vibration across engine speeds
DE102006028556A1 (de) 2005-07-11 2007-01-18 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Drehmomentübertragungseinrichtung
DE102009042836A1 (de) * 2008-11-24 2010-05-27 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Fliehkraftpendel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012000482A3 (fr) * 2010-06-29 2012-04-19 Schaeffler Technologies AG & Co. KG Dispositif d'oscillation centrifuge
US9702433B2 (en) 2013-04-11 2017-07-11 Ford Global Technologies, Llc Internal combustion engine with centrifugal pendulum device, and method for producing the centrifugal pendulum device of such an internal combustion engine
DE102014217304A1 (de) 2014-08-29 2016-03-03 Zf Friedrichshafen Ag Fliehkraftpendeleinrichtung
JP2016121710A (ja) * 2014-12-24 2016-07-07 株式会社エクセディ 自動車用の動吸振装置、及びトルクコンバータのロックアップ装置

Also Published As

Publication number Publication date
DE112011101985A5 (de) 2013-04-11
DE102011102812A1 (de) 2011-12-15
DE112011101985B4 (de) 2017-03-30

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