WO2012136770A1 - Dispositif et système pour amortir des vibrations torsionnelles - Google Patents

Dispositif et système pour amortir des vibrations torsionnelles Download PDF

Info

Publication number
WO2012136770A1
WO2012136770A1 PCT/EP2012/056290 EP2012056290W WO2012136770A1 WO 2012136770 A1 WO2012136770 A1 WO 2012136770A1 EP 2012056290 W EP2012056290 W EP 2012056290W WO 2012136770 A1 WO2012136770 A1 WO 2012136770A1
Authority
WO
WIPO (PCT)
Prior art keywords
spring
drive element
pulley
damping
output
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/EP2012/056290
Other languages
German (de)
English (en)
Inventor
Manfred Gebhart
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.)
Kendrion Linnig GmbH
Original Assignee
Kendrion Linnig GmbH
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 Kendrion Linnig GmbH filed Critical Kendrion Linnig GmbH
Publication of WO2012136770A1 publication Critical patent/WO2012136770A1/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
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/32—Friction members
    • F16H55/36—Pulleys
    • 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
    • F16F15/121—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 using springs as elastic members, e.g. metallic springs
    • F16F15/1213—Spiral springs, e.g. lying in one plane, around axis of rotation

Definitions

  • the invention relates to a device for damping torsional vibrations according to the preamble of claim 1. Furthermore, the invention relates to a system using a plurality of inventive devices.
  • a device for damping torsional vibrations according to the preamble of claim 1 is known for example from DE 202 20 455 U1. It serves to damp torsional vibrations, which are transmitted via a pulley as a drive element to a likewise designed as a pulley output member.
  • the two pulleys are connected to each other in particular by means of a V-belt. About the latter pulley a driven auxiliary unit is driven.
  • the torsional vibrations arise from the fact that the driven pulley is connected to a crankshaft of an internal combustion engine of a motor vehicle, wherein the rotational speed of the internal combustion engine, in particular in the idling range, is subject to certain speed fluctuations.
  • the pulley which is assigned to the auxiliary unit, by means of a magnetic element arrangement of the pulley.
  • each opposite poles of magnets on the pulley and the auxiliary unit face each other, so that they attract each other.
  • the arrangement of the magnetic elements is based on a pitch circle diameter of the two addressed parts, wherein a plurality of magnet pairs is provided.
  • about 50% to typically 70% of the maximum torque to be transmitted can be transmitted by means of the magnetic elements, so that up to this torque range, the drive element (belt pulley) and the drive element (auxiliary unit) are not rigidly connected to one another, but instead are arranged diglich via the magnetic elements in operative connection to each other. From the pulley introduced torsional vibrations are thereby reduced. When exceeding the mentioned limit torque for the magnetic elements, a rigid coupling between the drive element (pulley) and the output element (auxiliary unit) takes place, wherein, for example, in
  • Output element arranged screws come into direct contact with slots acting as stops in the drive element and be taken by these in the direction of rotation. Possibly. It may be provided that the contact surfaces between the screws and the oblong holes are formed attenuated by intermediate elements.
  • the known device for damping torsional vibrations is relatively complex and therefore expensive to manufacture. Furthermore, it requires a relatively large amount of space.
  • a device for damping torsional vibrations according to the preamble of claim 1 such that it is particularly simple in construction, is inexpensive to produce and has a relatively small footprint.
  • the drive element coupling to the output element connecting means comprise at least one elastic only in a partial region during damping spring element, in a radial space between the drive element and is arranged the output element.
  • the spring element By means of the spring element, it is particularly possible to dispense with the magnetic elements required for the transmission of torque as well as other bearings, in particular in the form of rolling bearings, which are required from the prior art.
  • the or the spring elements thus take according to the invention all acting between a drive element and an output member axial and radial forces, that is, in addition to the torque transmission have a dual function as storage.
  • the spring element has at least one aligned with the axis of rotation of the drive element and the driven element spring portion which is connected to the drive element or the driven element, and that adjoins the spring portion an at least partially curved connecting portion ,
  • two spring sections are provided, of which one spring section is connected directly to the driven element and the other spring section to the drive element, and that the two spring sections on the not with the output element or Drive element connected side are connected to the connecting portion.
  • the two spring portions cause the actual damping between the drive element and the output element, while the connecting portion arranged therebetween are substantially rigid.
  • the spring element can be produced in a particularly simple and cost-effective manner, if this is formed in one piece, the sections having different wall thicknesses. As a result, the required spring action in the respective sections can be adjusted in a particularly simple manner.
  • the spring element is designed in several parts.
  • each element or component of the spring element can be optimized for itself, wherein the individual elements are then assembled to form an overall spring element.
  • the invention also encompasses a system consisting of a plurality of devices according to the invention arranged axially one behind the other relative to a common axis of rotation.
  • the desired total damping property of the system can be influenced in a simple manner by the number of devices.
  • FIG. 1 is a simplified front view of a device according to the invention for damping torsional vibrations
  • Fig. 2 shows the device of FIG. 1 in a perspective view
  • Fig. 3 is a schematic representation of a system consisting of a plurality of inventive 5 existing system.
  • a device 10 for damping torsional vibrations, in particular in a motor vehicle is shown.
  • the device 10 is used in particular in a belt drive for driving an auxiliary assembly of the motor vehicle, such as a compressor, an alternator or the like.
  • the belt 1 shown only partially acts on a pulley 1 1, which acts as a drive element for the mentioned auxiliary unit.
  • the movable in the direction of the double arrow 12 pulley 1 1 transmits this torque
  • Auxiliary unit is connected and acts as a driven element.
  • the belt 1 is coupled in a conventional manner with another pulley, not shown, which in turn is connected in particular to the crankshaft of the (combustion) engine.
  • the pulley 1 1 and the hub 13 in a plane perpendicular to the plane of FIG. 1 have a same thickness, as can be seen in FIG. It should also be noted that it is also within the scope of the invention if the hub 13 acts as a drive element
  • the relevant component acts as a pulley or drive shaft or generally as a drive element for an accessory
  • the spring elements 15 are arranged in the radial gap between the hub 13 and the pulley 1 1.
  • three spring elements 15 are provided, which are thus arranged at equal angular intervals, in the exemplary embodiment offset by 120 ° to each other.
  • Each of the three spring elements 15 of identical design in the exemplary embodiment comprises at least three sections 17 to 19, respectively.
  • the first portion 17 is connected to the hub 13 and formed at least substantially rectilinear. It is essential that the first portion 17 is aligned in alignment with the through hole 14 and with the longitudinal axis 20 of the device 10 and the longitudinal axis 20 intersects in an imaginary extension.
  • the second section 18 connects.
  • the second section 18 comprises three subsections 21 to 23.
  • the first subsection 21 adjoining the section 17 is curved and has a radius of curvature r which corresponds approximately to the radius of curvature of the pitch circle diameter on which the subsection 21 is arranged.
  • the partial section 21 is adjoined by a substantially rectilinearly shaped partial section 22, and the partial section 22 is likewise adjoined by the likewise curved partial section 23, the radius of curvature R of the partial section 23 corresponding to the radius of curvature of the partial circle diameter on which the partial section 23 is arranged.
  • the portion 23 is in turn connected to the rectilinear portion 19, which is aligned as the portion 17 to the longitudinal axis 20.
  • Design of the device 10 is shown in which the distance a between the transition from the section 17 in the (curved) section 18 and the inner circumference of the pulley 1 1, that is the attachment of the portion 19 to the pulley 1 1, the 1, 1 - times to 1, 8 times the inner radius of the pulley 1 1 corresponds.
  • the two sections 17 and 19 are aligned with each other on a straight line 24 which intersects the longitudinal axis 20.
  • the spring elements 15 are arranged overlapping in the subregions 26 to 28, wherein in the subregions 26 to 28 two of the spring elements 15 overlap to form a radial gap 29.
  • the sections 17 to 19 each have a rectangular cross-section. Furthermore, the cross-sectional area of the two portions 17 and 19 is formed smaller than the cross-sectional area of the portion 18. This results in a greater rigidity of the portion 18 compared to the two sections 17 to 19.
  • the device 10 is integrally formed.
  • the corresponding transitions 31, 32 are rounded.
  • each of the spring elements 15 is formed as separate spring elements 15, which are connected to the likewise formed as a separate component hub 13 and formed as a separate component pulley 1 1 by corresponding connecting elements. Furthermore, it is within the scope of the invention to design each of the spring elements 15 in multiple parts, in particular by the fact that the sections 17 to 19 each consist of separate components.
  • the hub 13 When initiating a torque on the pulley 1 1 in the direction of the double arrow 12, the hub 13 is taken over the spring elements 15 in the direction of rotation, and thus can pass on the pulley 1 1 introduced torque to the auxiliary unit.
  • the pulley 1 1 with the hub 13 via an additional, in Fig.
  • the additional device 35 comprises, by way of example, a plate 36 integral with the pulley 11, which covers the hub 13, wherein in each case a slot 37 is formed in the hub 13 on opposite sides, into which a pin 38 or a screw engages. which in turn is mounted in the hub 13.
  • the size of the maximum angular displacement between the pulley 1 1 and the hub 13 over the length of the slot 37 can be adjusted.
  • FIG. 3 shows a system 100 consisting of several, in the example illustrated, of three devices 10.
  • the devices 10 are mounted on a common shaft 101, wherein the shaft 101 serves to receive the individual hubs 13 of the devices 10. Furthermore, it is preferably provided that the devices 10 are each formed identically.
  • the number of devices 10 can be used to influence the torque that can be transmitted via the system 100. It can also be provided that in the case of identically designed devices 10, these are each arranged on the shaft 101 by a specific angle of rotation offset relative to each other.
  • the device 10 or the system 100 described so far can be turned away or modified in many ways without deviating from the inventive concept. It is only essential that between a drive element, in the described embodiment, the pulley 1 1, and an output element, in the described embodiment, the hub 13, at least one, but preferably a plurality of spring elements 15 are arranged, which connect the drive element to the output element and at the same time a damping of torsional vibrations cause. LIST OF REFERENCE NUMBERS

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Pulleys (AREA)

Abstract

L'invention concerne un dispositif (10) pour amortir des vibrations torsionnelles, comprenant un élément d'entraînement (11) et un élément entraîné (13) relié à l'élément d'entraînement (11) par des moyens de liaison, l'élément d'entraînement (11) étant disposé autour d'un axe de rotation (20) coaxialement à l'élément entraîné (13), et les moyens de liaison se présentant sous la forme d'un dispositif d'amortissement. L'invention se caractérise en ce que les moyens de liaison comprennent au moins un élément élastique (15) déformable au moins par endroits, cet élément étant disposé dans un interstice radial entre l'élément d'entraînement (11) et l'élément entraîné (13).
PCT/EP2012/056290 2011-04-08 2012-04-05 Dispositif et système pour amortir des vibrations torsionnelles Ceased WO2012136770A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011001931A DE102011001931A1 (de) 2011-04-08 2011-04-08 Einrichtung und System zur Dämpfung von Drehschwingungen
DE102011001931.6 2011-04-08

Publications (1)

Publication Number Publication Date
WO2012136770A1 true WO2012136770A1 (fr) 2012-10-11

Family

ID=45976344

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/056290 Ceased WO2012136770A1 (fr) 2011-04-08 2012-04-05 Dispositif et système pour amortir des vibrations torsionnelles

Country Status (2)

Country Link
DE (1) DE102011001931A1 (fr)
WO (1) WO2012136770A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109642655A (zh) * 2016-08-30 2019-04-16 舍弗勒技术股份两合公司 具有双毂的皮带盘脱耦器
DE102023109326A1 (de) * 2023-04-13 2024-10-17 Schaeffler Technologies AG & Co. KG Drehschwingungsdämpfer und System eines Kraftfahrzeugs

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2894375A1 (fr) * 2013-07-31 2015-07-15 Astrium Limited Ensemble d'engrenage

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH6659A (fr) * 1893-06-05 1893-12-30 Achille Lambert Roue pour montres
US3464233A (en) * 1967-12-06 1969-09-02 Caterpillar Tractor Co Leaf spring coupling
FR2628804A1 (fr) * 1988-03-17 1989-09-22 Fichtel & Sachs Ag Amortisseur de vibrations de torsion
GB2283558A (en) * 1993-11-05 1995-05-10 Luk Lamellen & Kupplungsbau Rotary vibration damper
US20020169045A1 (en) * 2001-03-23 2002-11-14 Takamitsu Kodama Rotation force transmitter and transmission mechanism
DE20220455U1 (de) 2001-11-15 2003-09-04 Karl Heinz Linnig GmbH & Co. KG, 88677 Markdorf Vorrichtung zur Dämpfung von Drehschwingungen
US20090078079A1 (en) * 2007-09-26 2009-03-26 Hillsdale Automotive, Llc Decoupled vibration damper

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT410829B (de) * 2001-10-22 2003-08-25 Ellergon Antriebstech Gmbh Antriebstrang mit einem drehschwingungsdämpfer und einer drehelastischen kupplung
DE102004024747A1 (de) * 2004-05-19 2005-12-15 Zf Friedrichshafen Ag Torsionsschwingungsdämpfer
DE102005043575B4 (de) * 2005-09-12 2019-08-29 Vibracoustic Gmbh Drehfeder

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH6659A (fr) * 1893-06-05 1893-12-30 Achille Lambert Roue pour montres
US3464233A (en) * 1967-12-06 1969-09-02 Caterpillar Tractor Co Leaf spring coupling
FR2628804A1 (fr) * 1988-03-17 1989-09-22 Fichtel & Sachs Ag Amortisseur de vibrations de torsion
GB2283558A (en) * 1993-11-05 1995-05-10 Luk Lamellen & Kupplungsbau Rotary vibration damper
US20020169045A1 (en) * 2001-03-23 2002-11-14 Takamitsu Kodama Rotation force transmitter and transmission mechanism
DE20220455U1 (de) 2001-11-15 2003-09-04 Karl Heinz Linnig GmbH & Co. KG, 88677 Markdorf Vorrichtung zur Dämpfung von Drehschwingungen
US20090078079A1 (en) * 2007-09-26 2009-03-26 Hillsdale Automotive, Llc Decoupled vibration damper

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109642655A (zh) * 2016-08-30 2019-04-16 舍弗勒技术股份两合公司 具有双毂的皮带盘脱耦器
CN109642655B (zh) * 2016-08-30 2022-01-25 舍弗勒技术股份两合公司 具有双毂的皮带盘脱耦器
DE102023109326A1 (de) * 2023-04-13 2024-10-17 Schaeffler Technologies AG & Co. KG Drehschwingungsdämpfer und System eines Kraftfahrzeugs

Also Published As

Publication number Publication date
DE102011001931A1 (de) 2012-10-11

Similar Documents

Publication Publication Date Title
DE112010002947B4 (de) Drehmomentübertragungseinrichtung
DE112011100546B4 (de) Hydrodynamischer Drehmomentwandler
EP2643609B1 (fr) Dispositif de précontrainte d'un accouplement arbre-moyeu
WO2014114280A1 (fr) Pendule centrifuge
DE3104181A1 (de) Daempfungsscheibe fuer drehmomentuebertragung
WO2011100946A1 (fr) Convertisseur de couple hydrodynamique
DE102010023714B4 (de) Triebscheibe
DE102008062173A1 (de) Vorrichtung zum Antrieb eines Generators über einen Riementrieb einer Brennkraftmaschine
DE102007026195A1 (de) Torsionsschwingungsdämpfer oder Dekoppler mit gewickelten Drahtfedern in einer Antriebsscheibe
EP2600031A2 (fr) Dispositif de transmission de couple
DE102010033076A1 (de) Verspannsystem und Verfahren zum Verspannen einer Welle-Nabe-Verbindung
EP1760355B1 (fr) Amortisseur de vibrations de torsion avec des ressorts à fil dans une poulie d'entraînement
DE102013209117A1 (de) Nabeneinrichtung für einen Torsionsschwingungsdämpfer und entsprechender Torsionsschwingungsdämpfer
DE102012209897A1 (de) Nabeneinrichtung für einen Torsionsschwingungsdämpfer und entsprechender Torsionsschwingungsdämpfer
DE102010005600A1 (de) Drehschwingungsdämpfer
DE112013000999T5 (de) Torsionsdämpfungsvorrichtung, umfassend zwei Drehmoment-Ausgangsplatten, die beiderseits von Drehmoment-Eingangsscheiben angeordnet sind
DE102011079603A1 (de) Kupplungsscheibe für eine Reibungskupplung
DE102015202524A1 (de) Fliehkraftpendeleinrichtung mit Blattfeder als Anschlagdämpfer
DE10205768A1 (de) Lamellen-Kupplungseinrichtung und Maßnahmen zur Verminderung oder Reduzierung von im Betrieb auftretenden Geräuschen
DE102011001931A1 (de) Einrichtung und System zur Dämpfung von Drehschwingungen
EP1300926A2 (fr) Dispositif de démarrage
DE69606725T2 (de) Vor-Dämpfer für Drehschwingungen
DE112015001985T5 (de) Drehmomentübertragungsvorrichtung für ein Kraftfahrzeug
DE10223815B4 (de) Kopplungsvorrichtung zur Kopplung eines Kraftfahrzeugmotors mit einem Getriebe
EP3111106B1 (fr) Pendule centrifuge

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: 12715039

Country of ref document: EP

Kind code of ref document: A1

DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12715039

Country of ref document: EP

Kind code of ref document: A1