WO2016015725A1 - Fliehkraftpendel - Google Patents
Fliehkraftpendel Download PDFInfo
- Publication number
- WO2016015725A1 WO2016015725A1 PCT/DE2015/200391 DE2015200391W WO2016015725A1 WO 2016015725 A1 WO2016015725 A1 WO 2016015725A1 DE 2015200391 W DE2015200391 W DE 2015200391W WO 2016015725 A1 WO2016015725 A1 WO 2016015725A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- roller
- pendulum
- support flange
- pendulum mass
- spacer
- 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, with the aid of which pendulum masses can be displaced under the influence of centrifugal force to another radius in order to generate a rotational speed opposing directed restoring torque, whereby the extent of the speed fluctuation can be damped.
- a centrifugal pendulum has a guided in corresponding paths rollers relative to a support flange displaceable pendulum mass, which can generate an oppositely directed restoring moment in speed fluctuation.
- a centrifugal pendulum for damping rotational irregularities introduced via a drive shaft of a motor vehicle engine is provided with a support flange rotatable about an axis of rotation for direct or indirect connection to the drive shaft, a pendulum mass pendulumable relative to the support flange for producing a restoring moment directed counter to rotational nonuniformity and one in one Track of the support flange and guided in a pendulum track of the pendulum mass roller, wherein the roller has a radially outwardly projecting Abstandsbord for spacing the pendulum mass to the support flange, wherein the spacer board between the transitions of substantially Chen in the axial direction facing flank surfaces of the Abstandsbords and the radially outwardly facing rolling surfaces of the roller without consideration of transition radii in new condition has a board width X, the pendulum mass in the new state has a mean distance Y to the support flange and wherein 0.60 ⁇ X / Y
- intersection points arise at the flank surfaces facing away from one another respective flank surface subsequent rolling surface between which the board width X is measured.
- the board width X then results as an axial distance of the imaginary intersections parallel to a center line of the roller, to which the roller can be rotationally symmetrical.
- the pendulum mass can perform a slight relative movement in the axial direction to the support flange in a predetermined by the selected ratio of the board width X to the mean distance Y of the pendulum mass to the support flange extent.
- a center position of the pendulum mass to the support flange in which the mean distance Y of the pendulum mass can be measured to the support flange.
- the pendulum mass and the support flange are arranged substantially parallel to each other.
- the axis of rotation of the carrier flange coincides in particular with a rotational axis of the drive shaft.
- the at least one pendulum mass of the centrifugal pendulum endeavors to assume a position as far away as possible from the center of rotation.
- the "zero position” is thus the position furthest radially from the center of rotation, which the pendulum mass can assume in the radially outward position.
- the centrifugal force acting on the pendulum mass is thereby divided into one component tangential and another component normal to the pendulum track Pendulum mass back into their "zero position" ge wants to bring while the normal force component on a speed fluctuations introducing force application element, in particular a connected to the drive shaft of the motor vehicle flywheel, acting there and generates a counter-torque there s counteracts the speed fluctuation and dampens the introduced speed fluctuations.
- the pendulum mass can thus be maximally swung and assume the radially innermost position.
- the paths provided in the carrier flange and / or in the pendulum mass have suitable curvatures in which the roller is guided.
- at least two rollers are provided, which are each guided in a raceway of the support flange and a pendulum track of the pendulum mass.
- more than one pendulum mass is provided.
- several pendulum masses are distributed evenly distributed in the circumferential direction on the support flange.
- the inertial mass of the pendulum mass and / or the relative movement of the pendulum mass to the support flange is in particular for damping a certain frequency range of rotational irregularities, in particular a Mo gate order of the motor vehicle engine designed.
- more than one pendulum mass and / or more than one support flange is provided.
- two pendulum masses connected to one another via bolts or rivets designed in particular as spacers are provided, between which the carrier flange is positioned in the axial direction of the torsional vibration damper.
- two, in particular substantially Y-shaped interconnected, flange parts of the support flange may be provided, between which the pendulum mass is positioned.
- the roller on two spacer shelves wherein between the two spacer shelves a formed by the support flange or pendulum mass middle part is used with an axial thickness Z, where 0.10 ⁇ Y / Z ⁇ 0.50, in particular 0.13 ⁇ Y / Z ⁇ 0.33, preferably 0.15 ⁇ Y / Z ⁇ 0.25, and more preferably 0.18 ⁇ Y / Z ⁇ 0.20.
- a small space requirement in the axial direction can be achieved with low wear effects.
- the roller on two spacer shelves, wherein between the two Abstandsborden a formed by the support flange or the pendulum mass middle part is used with an axial thickness Z, wherein the roller between the transitions of the substantially axially facing each other flank surfaces of the Abstandsbords and the radially outwardly facing rolling surface of the roller without consideration of transition radii in the new state has a distance d and 0.60 ⁇ d / Z ⁇ 1, 00 in particular 0.70 ⁇ d / Z ⁇ 1, 00, preferably
- the roller on two spacer shelves, wherein the roller is inserted with its projecting from the spacer shelves in a formed by the pendulum mass or the support flange first outer part and a formed by the pendulum mass or the support flange second outer part, wherein the first outer part and the second outer part, in particular via a riveted spacing bolt, at a defined distance of (Z + 2Y) are interconnected.
- an outer parts forming pendulum mass a correspondingly high have inert mass.
- a correspondingly thick pendulum mass can be taken captively in the axial direction between the carrier flange forming the outer parts.
- R / r 1.125 ⁇ 0.02.
- FIG. 1 shows a schematic sectional view of a part of a centrifugal pendulum and FIG. 2 shows a schematic detail view of a roller of the centrifugal pendulum pendulum from FIG. 1.
- the centrifugal pendulum 10 shown in Fig. 1 has a guided on a support flange 12 pendulum mass 14.
- two are interconnected, for example via spacer bolts, to a defined distance.
- dene pendulum masses 14 is provided, between which the support flange 12 is arranged, so that the support flange 12, a central part of the centrifugal pendulum 10 and the pendulum masses 14 each form an outer part of the centrifugal pendulum.
- the support flange 12 can form the outer parts and the pendulum mass 14 the middle part. Furthermore, it is possible that only one outer part is provided.
- the support flange 12 has a circumferentially curved running track 16, while the pendulum masses 14 each have a circumferentially curved pendulum track 18.
- a roller 20 is movably inserted and guided, in particular, each pendulum mass 14 is guided over two rollers 20 on the support flange 12. From the roller 20 are radially outward two spacer shelves 22, which are arranged in the axial direction between the support flange 12 and the associated pendulum mass 14.
- the spacer board 22 has in the axial direction on a board width X, while the pendulum mass 14 to the support flange 12 has a mean distance Y.
- the middle part which is formed in the illustrated embodiment by the support flange 12, has an axial thickness Z in the axial direction.
- the spacer shelves 22 are spaced from each other by a distance d in the axial direction.
- the roller 20 has a radius R, while the roller 20 has a radius r outside of the spacer shelves 22, ie in the region of the outer part.
- the radius R is suitably chosen to provide a suitable clearance within the raceway 16. Accordingly, the radius r is suitably chosen to provide a suitable clearance within the pendulum track 18.
- the spacer board 22 in the axial direction facing flank surfaces 24 which is inclined relative to a radial plane of the roller 20 by an angle ⁇ .
- the flank surface 24 merges radially inward via a transition radius 26 into roller surfaces 28 of the roller 20 pointing radially outwards.
- the board width X is measured between the imaginary intersections of the imaginary intersection radius 26 extended imaginary flank surfaces 24 with the roller surfaces 28.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112015003460.9T DE112015003460A5 (de) | 2014-07-28 | 2015-06-25 | Fliehkraftpendel |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014214761 | 2014-07-28 | ||
DE102014214761.1 | 2014-07-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016015725A1 true WO2016015725A1 (de) | 2016-02-04 |
Family
ID=53610742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2015/200391 WO2016015725A1 (de) | 2014-07-28 | 2015-06-25 | Fliehkraftpendel |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE112015003460A5 (de) |
WO (1) | WO2016015725A1 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018006905A1 (de) * | 2016-07-05 | 2018-01-11 | Schaeffler Technologies AG & Co. KG | Pendelrolle für fliehkraftpendeleinrichtung |
US10001192B2 (en) * | 2014-04-04 | 2018-06-19 | Toyota Jidosha Kabushiki Kaisha | Torsional vibration reducing apparatus |
EP3396200A1 (de) * | 2017-04-24 | 2018-10-31 | Toyota Jidosha Kabushiki Kaisha | Drehschwingungsdämpfer |
CN108999927A (zh) * | 2017-06-06 | 2018-12-14 | 丰田自动车株式会社 | 振子式扭转振动降低装置 |
DE102019215920A1 (de) * | 2019-10-16 | 2021-04-22 | Zf Friedrichshafen Ag | Tilgersystem |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1865222A1 (de) * | 2006-06-10 | 2007-12-12 | LuK Lamellen und Kupplungsbau Beteiligungs KG | Fliehkraftpendeleinrichtung |
WO2011076169A2 (de) * | 2009-12-21 | 2011-06-30 | Schaeffler Technologies Gmbh & Co. Kg | Fliehkraftpendeleinrichtung |
DE102013207294A1 (de) * | 2012-05-16 | 2013-11-21 | Schaeffler Technologies AG & Co. KG | Pendelrolle für eine Fliehkraftpendeleinrichtung und Fliehkraftpendeleinrichtung mit einer derartigen Pendelrolle |
-
2015
- 2015-06-25 WO PCT/DE2015/200391 patent/WO2016015725A1/de active Application Filing
- 2015-06-25 DE DE112015003460.9T patent/DE112015003460A5/de active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1865222A1 (de) * | 2006-06-10 | 2007-12-12 | LuK Lamellen und Kupplungsbau Beteiligungs KG | Fliehkraftpendeleinrichtung |
WO2011076169A2 (de) * | 2009-12-21 | 2011-06-30 | Schaeffler Technologies Gmbh & Co. Kg | Fliehkraftpendeleinrichtung |
DE102013207294A1 (de) * | 2012-05-16 | 2013-11-21 | Schaeffler Technologies AG & Co. KG | Pendelrolle für eine Fliehkraftpendeleinrichtung und Fliehkraftpendeleinrichtung mit einer derartigen Pendelrolle |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10001192B2 (en) * | 2014-04-04 | 2018-06-19 | Toyota Jidosha Kabushiki Kaisha | Torsional vibration reducing apparatus |
WO2018006905A1 (de) * | 2016-07-05 | 2018-01-11 | Schaeffler Technologies AG & Co. KG | Pendelrolle für fliehkraftpendeleinrichtung |
US10487912B2 (en) | 2017-04-24 | 2019-11-26 | Toyota Jidosha Kabushiki Kaisha | Torsional vibration damper |
KR20180119123A (ko) * | 2017-04-24 | 2018-11-01 | 도요타지도샤가부시키가이샤 | 비틀림 진동 저감 장치 |
CN108730408A (zh) * | 2017-04-24 | 2018-11-02 | 丰田自动车株式会社 | 扭转振动降低装置 |
JP2018184975A (ja) * | 2017-04-24 | 2018-11-22 | トヨタ自動車株式会社 | 捩り振動低減装置 |
RU2684980C1 (ru) * | 2017-04-24 | 2019-04-16 | Тойота Дзидося Кабусики Кайся | Демпфер крутильных колебаний |
TWI667423B (zh) * | 2017-04-24 | 2019-08-01 | 日商豐田自動車股份有限公司 | 扭轉振動衰減裝置 |
EP3396200A1 (de) * | 2017-04-24 | 2018-10-31 | Toyota Jidosha Kabushiki Kaisha | Drehschwingungsdämpfer |
AU2018202673B2 (en) * | 2017-04-24 | 2020-01-02 | Toyota Jidosha Kabushiki Kaisha | Torsional vibration damper |
KR102080561B1 (ko) * | 2017-04-24 | 2020-02-24 | 도요타지도샤가부시키가이샤 | 비틀림 진동 저감 장치 |
CN108999927A (zh) * | 2017-06-06 | 2018-12-14 | 丰田自动车株式会社 | 振子式扭转振动降低装置 |
DE102019215920A1 (de) * | 2019-10-16 | 2021-04-22 | Zf Friedrichshafen Ag | Tilgersystem |
Also Published As
Publication number | Publication date |
---|---|
DE112015003460A5 (de) | 2017-04-06 |
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