WO2011157255A1 - Centrifugal pendulum device - Google Patents
Centrifugal pendulum device Download PDFInfo
- 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
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
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112011101985.8T DE112011101985B4 (en) | 2010-06-14 | 2011-05-30 | Centrifugal pendulum device |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010023724.8 | 2010-06-14 | ||
DE102010023724 | 2010-06-14 | ||
DE102010051914.6 | 2010-11-18 | ||
DE102010051914 | 2010-11-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011157255A1 true WO2011157255A1 (en) | 2011-12-22 |
Family
ID=45020241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2011/001130 WO2011157255A1 (en) | 2010-06-14 | 2011-05-30 | Centrifugal pendulum device |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE112011101985B4 (en) |
WO (1) | WO2011157255A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012000482A3 (en) * | 2010-06-29 | 2012-04-19 | Schaeffler Technologies AG & Co. KG | Centrifugal force pendulum device |
DE102014217304A1 (en) | 2014-08-29 | 2016-03-03 | Zf Friedrichshafen Ag | Centrifugal pendulum device |
JP2016121710A (en) * | 2014-12-24 | 2016-07-07 | 株式会社エクセディ | Dynamic vibration reducer for vehicle and lock up device of torque converter |
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2986296B1 (en) * | 2012-01-26 | 2017-03-03 | Valeo Embrayages | TORQUE TRANSMISSION DEVICE FOR MOTOR VEHICLE |
FR2990736B1 (en) * | 2012-05-21 | 2014-05-16 | Valeo Embrayages | TORQUE TRANSMISSION DEVICE FOR MOTOR VEHICLE |
DE102013204711A1 (en) * | 2013-03-18 | 2014-09-18 | Zf Friedrichshafen Ag | Tilgerschwingungsdämpfer |
DE102013211966A1 (en) * | 2013-06-25 | 2015-01-08 | Zf Friedrichshafen Ag | Tilgerschwingungsdämpfer |
DE102013217091A1 (en) | 2013-08-28 | 2015-03-05 | Zf Friedrichshafen Ag | absorber system |
FR3010475B1 (en) | 2013-09-10 | 2015-08-21 | Valeo Embrayages | PENDULAR DAMPING DEVICE |
DE112014004460A5 (en) * | 2013-09-26 | 2016-06-02 | Schaeffler Technologies AG & Co. KG | Centrifugal pendulum with stop damper |
DE112015001559A5 (en) | 2014-03-31 | 2017-01-19 | Schaeffler Technologies AG & Co. KG | Centrifugal pendulum device with guide element |
FR3065265B1 (en) * | 2017-04-18 | 2019-11-22 | Valeo Embrayages | TORSION DAMPING DEVICE |
US20200032875A1 (en) * | 2017-04-28 | 2020-01-30 | Aisin Aw Co., Ltd. | Vibration damping device |
DE102018222244A1 (en) * | 2018-12-19 | 2020-06-25 | Zf Friedrichshafen Ag | Torsional vibration damping arrangement |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10224874A1 (en) * | 2001-06-12 | 2002-12-19 | Luk Lamellen & Kupplungsbau | Automotive torque transmission has first flywheel separated from second by torsion dampener with peripheral energy storage components |
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 (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 |
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 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5769736B2 (en) | 2010-03-11 | 2015-08-26 | シェフラー テクノロジーズ アクチエンゲゼルシャフト ウント コンパニー コマンディートゲゼルシャフトSchaeffler Technologies AG & Co. KG | Centrifugal pendulum device |
-
2011
- 2011-05-30 DE DE112011101985.8T patent/DE112011101985B4/en active Active
- 2011-05-30 WO PCT/DE2011/001130 patent/WO2011157255A1/en active Application Filing
- 2011-05-30 DE DE201110102812 patent/DE102011102812A1/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10224874A1 (en) * | 2001-06-12 | 2002-12-19 | Luk Lamellen & Kupplungsbau | Automotive torque transmission has first flywheel separated from second by torsion dampener with peripheral energy storage components |
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 (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 |
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 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012000482A3 (en) * | 2010-06-29 | 2012-04-19 | Schaeffler Technologies AG & Co. KG | Centrifugal force pendulum device |
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 (en) | 2014-08-29 | 2016-03-03 | Zf Friedrichshafen Ag | Centrifugal pendulum device |
JP2016121710A (en) * | 2014-12-24 | 2016-07-07 | 株式会社エクセディ | Dynamic vibration reducer for vehicle and lock up device of torque converter |
Also Published As
Publication number | Publication date |
---|---|
DE112011101985A5 (en) | 2013-04-11 |
DE112011101985B4 (en) | 2017-03-30 |
DE102011102812A1 (en) | 2011-12-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE112011101985B4 (en) | Centrifugal pendulum device | |
DE69921105T2 (en) | JACK WAY CLUTCH ARRANGEMENT | |
EP2786042B1 (en) | Centrifugal force pendulum | |
DE102005052781B3 (en) | Tilt adjusting fitting for motor vehicle seat`s backrest, has driving dog placed between broad sides of wedge segments for torque proof connection of tappet ring with adjusting unit that is guided to ring via dog in radially movable manner | |
WO2012000482A2 (en) | Centrifugal force pendulum device | |
DE112014000773B4 (en) | centrifugal pendulum device | |
WO2010118719A1 (en) | Centrifugal force pendulum | |
WO2011110153A1 (en) | Torsional vibration damper | |
DE102013208430A1 (en) | centrifugal pendulum | |
EP2802481B1 (en) | Fitting for a vehicle seat and vehicle seat | |
WO2012083928A1 (en) | Centrifugal pendulum device | |
DE69101404T2 (en) | Torsion damping device for friction plate of a motor vehicle clutch. | |
WO2015043587A1 (en) | Centrifugal pendulum device | |
DE112011102751B4 (en) | CENTRIFUGAL PENDULUM DEVICE | |
DE102013211966A1 (en) | Tilgerschwingungsdämpfer | |
DE102015215269A1 (en) | Centrifugal pendulum device | |
DE3810922C2 (en) | Torsional vibration damper, in particular friction disc for a motor vehicle | |
DE102015205754A1 (en) | Pendulum mass and centrifugal pendulum device | |
DE102017110022A1 (en) | Centrifugal pendulum device with a biasing element for guiding the cylindrical rollers | |
DE19751029B4 (en) | Dual mass damping flywheel for motor vehicles | |
DE102018131322A1 (en) | Multi-flange torsional vibration damper with at least two equally flanged hub flanges and a torque limiter | |
EP1601889B1 (en) | Shifting device | |
DE102014208569A1 (en) | torsional vibration dampers | |
DE102014217007A1 (en) | torsional vibration dampers | |
DE102022112862A1 (en) | Steering arrangements for a vehicle and vehicle with a steering column and a steering arrangement |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11740813 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 112011101985 Country of ref document: DE Ref document number: 1120111019858 Country of ref document: DE |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: R225 Ref document number: 112011101985 Country of ref document: DE Effective date: 20130411 |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 11740813 Country of ref document: EP Kind code of ref document: A1 |