EP3976992A1 - Segmentierter schwingungstilger - Google Patents
Segmentierter schwingungstilgerInfo
- Publication number
- EP3976992A1 EP3976992A1 EP20710102.3A EP20710102A EP3976992A1 EP 3976992 A1 EP3976992 A1 EP 3976992A1 EP 20710102 A EP20710102 A EP 20710102A EP 3976992 A1 EP3976992 A1 EP 3976992A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- segments
- group
- segment
- vibration damper
- another
- 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.)
- Pending
Links
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000018109 developmental process Effects 0.000 description 11
- 229920001971 elastomer Polymers 0.000 description 5
- 239000000806 elastomer Substances 0.000 description 5
- 239000000725 suspension Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
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
- F16F15/1414—Masses driven by elastic elements
- F16F15/1435—Elastomeric springs, i.e. made of plastic or rubber
- F16F15/1442—Elastomeric springs, i.e. made of plastic or rubber with a single mass
-
- 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
- F16F15/1414—Masses driven by elastic elements
- F16F15/1435—Elastomeric springs, i.e. made of plastic or rubber
-
- 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
- F16F2230/0029—Location, co-location
-
- 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
- F16F2230/32—Modular design
-
- 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
- F16F2238/00—Type of springs or dampers
- F16F2238/02—Springs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Definitions
- the invention relates to a vibration damper according to the preamble of claim 1.
- Vibration absorbers are used in wind turbines to reduce vibration of the transmission. Vibrations are associated with mechanical loads and can therefore lead to gearbox damage. If the frequencies of the vibrations are in the audible range, undesirable noise emissions occur.
- the invention is based on the object of making available a vibration damper with improved properties compared to the solutions known from the prior art.
- the vibration damper is designed to be fixed to the housing on a transmission or a component of the transmission.
- the component is preferably a gear housing or a component fixed to the housing, i.e. a component that is rigid, i.e. without the possibility of a relative movement in which the gearbox is fixed.
- a vibration damper is a vibration damper whose mass or damper mass is elastically fixed on one component or on several components that are rigidly connected to one another, ie without the possibility of relative movement.
- a vibration damper generally has a damper mass and one or more elastic-specific suspensions. By means of the suspensions, the damper mass is fixed in a component whose vibrations are to be dampened. In the present case, the damper mass is fixed to the component of the transmission by means of the elastic suspensions.
- the elastic suspensions can be elastomer bushings, for example.
- the sockets are each fixed in a hole in the damper body and screwed to the gearbox.
- the damper mass has a first group of segments. Segments denote parts of the absorber mass that are physically separated from each other. Two of the segments are not connected to one another in one piece.
- the segments of the first group are rotationally symmetrical to one another with respect to an axis of rotation and / or the central axis of the transmission. This means that the segments of the first group can be mapped onto one another by rotating around the axis of rotation and / or central axis by at least an angle that is less than 360 °.
- the segments of the first group are preferably not rotationally symmetrical to the axis of rotation and / or the central axis. This implies that the set of angles of mappings which the segments map onto one another is discrete.
- the segments can preferably be mapped to one another by rotation exclusively by angles that amount to 60 ° / n or an integral multiple of 360 ° / n , where n denotes the number of segments. This implies that the segments or two segments each are structurally identical.
- the above-mentioned axis of rotation is the axis of rotation of a rotatable component of the transmission. It can, for example, be the axis of rotation of a gearwheel, a shaft or a planet carrier.
- the above-mentioned center axis is a straight line on which at least two center points of a component of the transmission, such as a ring gear, lie.
- a geometric center of gravity of the component in a cutting plane which is directed orthogonally to the straight line is referred to as the center.
- the segments are rigid, i. connected to one another without the possibility of relative movement. Due to the rigid connection, the segments work together as a single damper mass.
- the rigid connection between two segments is made by connecting means that run between the segments and bridge a gap between the segments. This means that the connecting means are each rigidly connected to two segments.
- the segments are structurally identical. Each two segments are therefore identical.
- two components are structurally identical if they match in their physical parameters - especially with regard to their material and geometric properties - within the scope of the manufacturing tolerances that occur.
- the damper mass has a second group of segments.
- the segments of the second group have the same characteristics as the segments of the first group.
- the above statements therefore apply mutatis mutandis to the segments of the second group.
- the segments of the second group are rotationally symmetrical to one another with respect to the above-mentioned axis of rotation and / or central axis, preferably rigidly connected to one another, with a connecting means preferably connecting two segments of the second group rigidly to one another, and preferably of identical construction.
- first group and the second group or the segments of the first group and the segments of the second group are arranged axially offset to one another. This means that between the segments of the first group pe and the segments of the second group runs a plane oriented orthogonally to the above-mentioned axis of rotation and / or central axis.
- the training makes it possible to modify the size of the damper mass.
- the size of the absorber mass can be adapted to that which occurs in operation
- a segment of the first group and a segment of the second group are rigidly connected to one another.
- the segments of the first group and the second group form a single damper mass.
- one segment of the first group and one segment of the second group are each structurally identical.
- the Til germasse thus consists of structurally identical segments.
- the identical segments reduce variant-related costs.
- the vibration damper is preferably part of a transmission that also has a ring gear.
- the ring gear can be part of a planetary stage, which also has one or more planet gears, a planet carrier and a sun gear.
- the Pla designated wheels are rotatably mounted in the planet carrier mesh with the ring gear and / or the sun gear.
- At least two of the three components sun gear, planet carrier and ring gear are rotatably mounted about a common axis of rotation.
- the third component is preferably fixed to the housing.
- the axis of rotation around which the at least two components are rotatably mounted is preferably the axis of rotation mentioned at the beginning.
- the vibration damper is fixed on the ring gear.
- This fixation is, as described above, elastic and is preferably carried out by means of
- the ring gear is screwed or joined to a housing of the transmission by means of one or more screws or dowel pins.
- the screws or dowel pins also serve for fixing of the vibration absorber.
- the vibration damper is therefore screwed or joined to the ring gear with the same screws or dowel pins with which the ring gear is screwed or joined to the housing.
- the absorber mass 101 shown in FIG. 1 has four structurally identical segments 103a, 103b, 103c, 103d.
- the segments 103a, 103b, 103c, 103d are arranged rotationally symmetrical. They can be mapped onto one another by rotating them through an angle of 90 °.
- a connecting plate 105a, 105b, 105c, 105d which rigidly connects the segments 103a, 103b, 103c, 103d, is arranged between two segments 103a, 103b, 103c, 103d.
- the connecting plate 105a connects the segments 103a, 103b to one another, the connecting plate 105b the segments 103b, 103c, the connecting plate 105c the segments 103c, 103d and the connecting plate 105d the segments 103d, 103a.
- the connecting plates 105a, 105b, 105c, 105d are screwed to the respective segments 103a, 103b, 103c, 103d.
- the segments 103a, 103b, 103c, 103d have bores 107 for fixing in a gear. In the exemplary embodiments shown in the figures, there are four bores 107 per segment 103a, 103b, 103c, 103d.
- the fixing in the transmission is illustrated in detail in FIG. 2.
- FIG. 2 shows a segment 103a with its bores 107.
- the bores are arranged in a circle around the same axis to which the segments 103a, 103b, 103c, 103d are rotationally symmetrical.
- Screws 201 protrude into the bores 107. These are the screws with which a ring gear is screwed to a transmission housing.
- Elastomer bushings are fixed in the bores 107. These are not omitted in Fig. 2 for the sake of better illustration.
- the elastomer bushings in turn are screwed with the screws 201. In this way, there is an elastic connection between the ring gear and the segment 103a.
- the remaining segments 103b, 103c, 103d are fixed in the ring gear in the same way.
- Each segment 103a, 103b, 103c, 103d forms, as shown in FIG. 3, with further segments a segment packet 301a, 301b, 301c, 301d.
- the segments of each segment packet 301 a, 301 b, 301 c, 301 d are arranged axially offset from one another. As a result, the respective bores 107 of the segments 103a, 103b, 103c, 103d are aligned.
- each segment packet 301 a, 301 b, 301 c, 301d is fixed in the ring gear with four sockets.
- two segments of adjacent segment packets 301 a, 301 b, 301 c, 301 d are fixed in one another by means of connecting plates (not shown in FIG. 3).
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- General Details Of Gearings (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019207826.5A DE102019207826A1 (de) | 2019-05-28 | 2019-05-28 | Segmentierter Schwingungstilger |
| PCT/EP2020/055772 WO2020239279A1 (de) | 2019-05-28 | 2020-03-05 | Segmentierter schwingungstilger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3976992A1 true EP3976992A1 (de) | 2022-04-06 |
Family
ID=69780180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20710102.3A Pending EP3976992A1 (de) | 2019-05-28 | 2020-03-05 | Segmentierter schwingungstilger |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US12209632B2 (de) |
| EP (1) | EP3976992A1 (de) |
| CN (1) | CN113906240A (de) |
| DE (1) | DE102019207826A1 (de) |
| WO (1) | WO2020239279A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12214665B2 (en) * | 2021-11-30 | 2025-02-04 | Nissan North America, Inc. | Vibration dampening engine mount and modular vibration dampening engine mount system |
| US11852291B2 (en) * | 2022-02-23 | 2023-12-26 | Taiwan Semiconductor Manufacturing Company, Ltd. | Displacement control device for seismic events |
| US12553489B2 (en) * | 2024-01-12 | 2026-02-17 | Taiwan Semiconductor Manufacturing Company Limited | Seismic event displacement mitigation |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2610212A1 (de) * | 1976-03-11 | 1977-09-22 | Mueller Bbm Gmbh | Schwingungstilger zur daempfung von breitbandigen koerperschallschwingungen |
| DE19527614A1 (de) * | 1995-06-26 | 1997-01-02 | Tokai Rubber Ind Ltd | Dynamischer Dämpfer vom Doppelmassen-Typ, der zwei miteinander verbundene Dämpfersysteme hat, und mit dem dynamischen Dämpfer ausgerüstete Antriebswelle |
| DE102009021355A1 (de) * | 2008-06-02 | 2009-12-03 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Drehschwingungsdämpfer mit Fliehkraftpendel |
| DE102009005954A1 (de) * | 2009-01-20 | 2010-07-29 | Carl Zeiss Smt Ag | Dämpfungsvorrichtung |
| DE202014004620U1 (de) * | 2013-06-14 | 2014-07-23 | Fm Energie Gmbh & Co. Kg | Torsionstilger mit einstellbarer Dämpfung und Frequenz |
| DE102016203950A1 (de) * | 2016-03-10 | 2017-09-14 | Schaeffler Technologies AG & Co. KG | Wankstabilisator für ein Kraftfahrzeug |
| US20190078644A1 (en) * | 2016-07-20 | 2019-03-14 | Exedy Corporation | Torque fluctuation inhibiting device, torque converter and power transmission device |
| EP3341627B1 (de) * | 2015-08-28 | 2019-09-25 | FM Energie GmbH & Co. KG | Schwingungstilger mit rotierender masse |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4050665A (en) * | 1976-02-11 | 1977-09-27 | Newport Research Corporation | Vibration damping apparatus |
| DE2716485C2 (de) * | 1977-04-14 | 1985-06-05 | Daimler-Benz Ag, 7000 Stuttgart | Eine Zusatzmasse zur Beeinflussung von Resonanzschwingungen aufweisender Drehmomentübertragungsstrang |
| GB1599434A (en) * | 1977-05-06 | 1981-10-07 | Krupp Ag Huettenwerke | Vibration absorbing track wheel |
| US4318309A (en) * | 1978-10-18 | 1982-03-09 | Wallace Murray Corporation | Deformed locking clamp |
| US4560150A (en) * | 1983-11-25 | 1985-12-24 | Imperial Clevite Inc. | Dry viscous spring strut |
| DE4311939C2 (de) * | 1993-04-10 | 1995-08-17 | Freudenberg Carl Fa | Drehschwingungsdämpfer |
| JP3146752B2 (ja) * | 1993-05-12 | 2001-03-19 | 日産自動車株式会社 | 多板クラッチ式制御型差動制限装置 |
| US5641153A (en) * | 1995-12-06 | 1997-06-24 | Lord Corporation | Auxiliary damper for rubber suspension mountings |
| DE19831158A1 (de) * | 1998-07-11 | 2000-01-13 | Freudenberg Carl Fa | Schwungrad |
| JP3659008B2 (ja) * | 1998-08-07 | 2005-06-15 | 東海ゴム工業株式会社 | ダイナミックダンパおよびその製造方法 |
| US6202961B1 (en) * | 2000-03-21 | 2001-03-20 | Csa Engineering | Passive, multi-axis, highly damped, shock isolation mounts for spacecraft |
| DE10017801B4 (de) * | 2000-04-10 | 2012-11-08 | Zf Sachs Ag | Torsionsschwingungsdämpfer |
| US6609681B2 (en) * | 2001-07-05 | 2003-08-26 | The Boeing Company | Method and apparatus for damping vibration |
| JP4665759B2 (ja) * | 2003-06-06 | 2011-04-06 | 株式会社ニコン | 光学素子保持装置、鏡筒、露光装置、及びデバイスの製造方法 |
| US7222823B2 (en) * | 2004-07-06 | 2007-05-29 | Ata Engineering, Inc. | Payload adapter |
| US7249756B1 (en) * | 2006-02-01 | 2007-07-31 | Csa Engineering, Inc. | Low-profile, multi-axis, highly passively damped, vibration isolation mount |
| EP1898121A1 (de) * | 2006-09-08 | 2008-03-12 | Universite Libre De Bruxelles | Passiver Schwingungstilger |
| JP4492686B2 (ja) * | 2007-11-30 | 2010-06-30 | トヨタ自動車株式会社 | ダンパ装置 |
| DE102008006782B3 (de) * | 2007-12-20 | 2009-04-09 | Tedrive Holding B.V. | Verbesserter Schwingungstilger für rotierende Wellen |
| DE102011000656B8 (de) * | 2011-02-11 | 2013-03-21 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Schwingungsfreie Lagerung eines Objekts an einer schwingenden Struktur |
| EP2697530B2 (de) * | 2011-04-11 | 2018-05-09 | Schaeffler Technologies AG & Co. KG | Kupplungsanordnung |
| FR2976641B1 (fr) * | 2011-06-14 | 2013-06-07 | Valeo Embrayages | Dispositif d'amortissement de torsion comportant des masselottes pendulaires decalees axialement par rapport a des rondelles de guidage |
| FR2979964B1 (fr) * | 2011-09-08 | 2014-04-11 | Turbomeca | Amortissement des vibrations d'un pignon par patch viscoelastique |
| US8732927B2 (en) * | 2011-09-20 | 2014-05-27 | General Electric Company | Method for adjusting torsional frequency of a power train |
| FR2981714B1 (fr) * | 2011-10-19 | 2013-11-01 | Valeo Embrayages | Systeme d'amortissement de type oscillateur pendulaire comportant un dispositif de guidage perfectionne |
| ITTO20120398A1 (it) * | 2012-05-03 | 2013-11-04 | Corfac2 S A | Dispositivo per l'armonizzazione di oscillazioni meccaniche ed elettromagnetiche |
| WO2013173091A1 (en) * | 2012-05-03 | 2013-11-21 | Serview, Inc. | Machine vision camera mount with rotational adjustment |
| DE112013005609A5 (de) * | 2012-11-22 | 2015-09-17 | Schaeffler Technologies AG & Co. KG | Wandlereinheit mit einem Dämpfungssystem und mit einer Drehmomentübertragungseinheit |
| DE102013204711A1 (de) * | 2013-03-18 | 2014-09-18 | Zf Friedrichshafen Ag | Tilgerschwingungsdämpfer |
| FR3009853B1 (fr) * | 2013-08-23 | 2015-08-14 | Valeo Embrayages | Procede de montage d'un dispositif d'amortissement pendulaire |
| DE102014207258A1 (de) * | 2014-04-15 | 2015-10-29 | Zf Friedrichshafen Ag | Torsionsschwingungsdämpfer mit einer Dämpfungseinrichtung, einem Tilgersystem und einer Masseeinrichtung |
| WO2016023795A1 (de) * | 2014-08-14 | 2016-02-18 | Zf Friedrichshafen Ag | Drehschwingungsdämpfungsanordnung, insbesondere tilgerbaugruppe |
| JP2016145630A (ja) * | 2015-02-09 | 2016-08-12 | 本田技研工業株式会社 | 歯車 |
| JP2018013144A (ja) * | 2016-07-19 | 2018-01-25 | 株式会社エクセディ | 動吸振器 |
| WO2019156585A1 (en) * | 2018-02-08 | 2019-08-15 | Llc "Topcon Positioning Systems" | Wedged three-axis inertial sensor damper-suspension |
| DE102018218812A1 (de) * | 2018-11-05 | 2020-05-07 | Zf Friedrichshafen Ag | Torsionstilger für Windkraftanlagen |
-
2019
- 2019-05-28 DE DE102019207826.5A patent/DE102019207826A1/de not_active Withdrawn
-
2020
- 2020-03-05 US US17/613,951 patent/US12209632B2/en active Active
- 2020-03-05 EP EP20710102.3A patent/EP3976992A1/de active Pending
- 2020-03-05 WO PCT/EP2020/055772 patent/WO2020239279A1/de not_active Ceased
- 2020-03-05 CN CN202080039422.3A patent/CN113906240A/zh active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2610212A1 (de) * | 1976-03-11 | 1977-09-22 | Mueller Bbm Gmbh | Schwingungstilger zur daempfung von breitbandigen koerperschallschwingungen |
| DE19527614A1 (de) * | 1995-06-26 | 1997-01-02 | Tokai Rubber Ind Ltd | Dynamischer Dämpfer vom Doppelmassen-Typ, der zwei miteinander verbundene Dämpfersysteme hat, und mit dem dynamischen Dämpfer ausgerüstete Antriebswelle |
| DE102009021355A1 (de) * | 2008-06-02 | 2009-12-03 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Drehschwingungsdämpfer mit Fliehkraftpendel |
| DE102009005954A1 (de) * | 2009-01-20 | 2010-07-29 | Carl Zeiss Smt Ag | Dämpfungsvorrichtung |
| DE202014004620U1 (de) * | 2013-06-14 | 2014-07-23 | Fm Energie Gmbh & Co. Kg | Torsionstilger mit einstellbarer Dämpfung und Frequenz |
| EP3341627B1 (de) * | 2015-08-28 | 2019-09-25 | FM Energie GmbH & Co. KG | Schwingungstilger mit rotierender masse |
| DE102016203950A1 (de) * | 2016-03-10 | 2017-09-14 | Schaeffler Technologies AG & Co. KG | Wankstabilisator für ein Kraftfahrzeug |
| US20190078644A1 (en) * | 2016-07-20 | 2019-03-14 | Exedy Corporation | Torque fluctuation inhibiting device, torque converter and power transmission device |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2020239279A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US12209632B2 (en) | 2025-01-28 |
| WO2020239279A1 (de) | 2020-12-03 |
| US20220228643A1 (en) | 2022-07-21 |
| CN113906240A (zh) | 2022-01-07 |
| DE102019207826A1 (de) | 2020-12-03 |
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