EP3247921A1 - Amortisseur de vibrations de torsion - Google Patents

Amortisseur de vibrations de torsion

Info

Publication number
EP3247921A1
EP3247921A1 EP15828641.9A EP15828641A EP3247921A1 EP 3247921 A1 EP3247921 A1 EP 3247921A1 EP 15828641 A EP15828641 A EP 15828641A EP 3247921 A1 EP3247921 A1 EP 3247921A1
Authority
EP
European Patent Office
Prior art keywords
intermediate part
torsional vibration
mass
vibration damper
primary
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
EP15828641.9A
Other languages
German (de)
English (en)
Inventor
Philippe Schwederle
Walter HEPPERLE
Mathias Girnus
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.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and 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 AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Publication of EP3247921A1 publication Critical patent/EP3247921A1/fr
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
    • 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
    • F16F15/131—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 the rotating system comprising two or more gyratory masses
    • F16F15/13157—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 the rotating system comprising two or more gyratory masses with a kinematic mechanism or gear system, e.g. planetary

Definitions

  • the invention relates to a torsional vibration damper, in particular for the drive train of a motor vehicle.
  • Torsional vibration damper also called torsional vibration damper
  • torsional vibration damper are widely known in the art.
  • such torsional vibration damper become known, which are referred to as so-called dual-mass flywheels.
  • dual-mass flywheels These have a primary flywheel and a secondary flywheel, which are mounted rotatably relative to each other, wherein between the primary flywheel and the secondary flywheel, a spring damper is provided so that the primary flywheel against the return force of the spring damper is rotatable relative to the secondary flywheel.
  • Such torsional vibration dampers are increasingly used in motor vehicles.
  • the vibration isolation can be improved even at low speeds, especially in modern internal combustion engines, the low speed ranges in operation increasingly significant.
  • DE 10 20013 201 621 A1 discloses a dual-mass flywheel in which a power split with planetary gear is provided between the primary flywheel mass and the secondary flywheel mass.
  • the planetary gear first and second planet gears which mesh and are supported by a planet carrier, which is arranged as an intermediate part between the primary flywheel and secondary flywheel, wherein the sun gear is formed by the primary flywheel and the ring gear is formed by the secondary flywheel.
  • the object of the invention to the torsional vibration damper is achieved with the features of claim 1.
  • An embodiment of the invention relates to a torsional vibration damper with an input-side primary flywheel and an output secondary flywheel, which are arranged rotatably relative to each other mounted, wherein an intermediate part is provided, which is arranged axially substantially between the primary flywheel and the secondary flywheel, with a Federdämpfer wisdom, which transmits a torque between the Primärschwungmas- se and the intermediate part, wherein a torque split is provided, starting from the primary flywheel to the secondary flywheel and from the primary flywheel via the intermediate part to the secondary flywheel, wherein the torque split is formed as a planetary gear, with a planet carrier, which is formed by the secondary flywheel, with a ring gear, which is formed by the intermediate part and with a sun gear, which of the primary flywheel is formed, wherein on the planet carrier planet gears are rotatably articulated, which mesh both the ring gear and the sun gear.
  • the spring damper device is formed by at least one pocket formed in the primary flywheel and spring elements received therein, wherein the intermediate part engages with at least one flange-like projection in the pocket between the spring elements. This allows a relative movement of the flange-like projection and thus the intermediate part against the primary flywheel against the restoring force of the springs, which isolates or dampens vibrations.
  • the primary flywheel mass radially inward has an extension extending in the axial direction relative to the secondary flywheel mass, which forms the sun gear with external teeth.
  • a planetary gear articulated on the secondary flywheel mass can be easily arranged in order to NEN to comb, which is formed by the primary flywheel.
  • the planetary gear is advantageously attached to the side of the secondary flywheel, which points to the primary flywheel.
  • the intermediate part forms a shoulder, which is formed as a ring gear with an internal toothing.
  • the ring gear can also be easily formed and advantageously arranged.
  • a planetary gear articulated on the secondary flywheel can be easily arranged to mesh the ring gear, which is formed by the intermediate part.
  • the planetary gear is advantageously fastened to the side of the secondary flywheel which points to the primary flywheel mass.
  • the internal toothing and / or the external toothing is formed in the projection or in the intermediate part by the projection itself or by the intermediate part itself, wherein the internal toothing or the external toothing by machining or by chipless machining is introduced into the approach or in the intermediate part. So it may be advantageous to form the respective toothing as a separate part, which reduces the number of parts and facilitates assembly.
  • the internal toothing and / or the external toothing is formed in the projection or in the intermediate part by a toothed ring element which is connected to the projection or to the intermediate part.
  • a part to be produced separately is provided as a toothing, which simplifies production because the part itself is better provided with the toothing than the intermediate part or the shoulder, although a further part has to be mounted.
  • the intermediate part is formed by a substantially annular flange with a mass element attached thereto, wherein the annular flange engages in the at least one pocket of the spring device and the ring gear is formed or carried by the mass element.
  • This can be a Function separation are made because the means for acting on the springs are separated from the means for forming the ring gear.
  • flange is welded, pressed or riveted to the mass element.
  • a suitable connection method between flange and mass element can be selected as needed and depending on the force to be transmitted.
  • the intermediate part in particular the flange of the intermediate part, is rotatably mounted on the attachment by means of a bearing. As a result, a secure and defined positioning and rotation of the flange or intermediate part is achieved to the primary flywheel.
  • the planet gears are mounted by means of rivet elements on the secondary flywheel. As a result, a secure storage can be achieved with a simple attachment.
  • Figure 1 is a schematic representation of a section through a torsional vibration damper according to the invention.
  • FIG. 1 shows a torsional vibration damper 1 in a schematic half section.
  • the torsional vibration damper is designed to be rotatable about the axis ll.
  • the torsional vibration damper 1 has an input-side primary flywheel mass 2 and an output-side secondary flywheel mass 3.
  • the primary flywheel 2 has radially inward bolting holes 4, through which screws 5 can be performed to the primary flywheel 2 on a crankshaft not one rob the engine shown to strig.
  • the primary flywheel 2 has a radially inner axial projection 6, on which by means of a bearing 7, the secondary flywheel mass 3 is received stored with its radially inner region.
  • the bearing 7 may be a sliding or roller bearing.
  • the primary flywheel mass 2 forms a pocket 8, which is formed by the radially outer region 9 of the disk-shaped element 10 and by the second disk-shaped element 11.
  • the disk-shaped element 10 is welded to the disk-shaped element 1 1 at the weld 12.
  • spring elements 13 are arranged, which are supported in the radial direction, in the axial direction and in the circumferential direction of the pocket 8. The support in the circumferential direction takes place at the inwardly directed embossments 19th
  • a flange 14 can engage radially in the pocket 8 between the spring elements 13 and thus engage in a radial direction
  • the flange 14 is part of an intermediate part 15, which is arranged axially substantially between the primary flywheel mass 2 and the secondary flywheel mass 3.
  • the spring damper device 16 transmits a torque between the primary flywheel mass 2 and the intermediate part 15.
  • the intermediate part is formed by the flange 14, which is formed as a disc part.
  • a mass element 34 is arranged connected.
  • the connection is advantageously carried out by means of rivet elements 17.
  • it may also be a welded connection or a caulking provided as a connection or the like.
  • the mass element 34 is also advantageously designed as a disk part, on which optionally radially outside a mass ring 18 is attached or arranged.
  • Both the primary flywheel mass 2 and the secondary flywheel mass 3 are designed as disk parts. These can be designed as sheet metal parts or as castings.
  • flange 14 and mass element 34 may be formed as sheet metal parts.
  • the flange 14 is welded, crimped or riveted to the mass element 34.
  • the torsional vibration damper 1 has a torque split. For this purpose, a torque in the torque flow from the primary flywheel 2 is divided into the secondary flywheel and transmitted branched. The torque is transmitted from the primary flywheel mass 2 to the secondary flywheel mass 3 and in addition, starting from the primary flywheel mass 2, to the secondary flywheel mass 3 via the intermediate part 15.
  • the torque split is designed as a planetary gear 20, with a planet carrier 21, which is formed by the secondary flywheel mass 3 and with a ring gear 22, which is formed by the intermediate part 15 and with a sun gear 23 which is formed by the primary flywheel 2.
  • planet gears 24 are rotatably articulated, which mesh both the ring gear 22 and the sun gear 23.
  • the primary flywheel mass 2 has, radially inward, a projection 25 which extends in the axial direction relative to the secondary flywheel mass 3 and which is preferably designed as a separate, angled sheet metal.
  • the approach 25 may alternatively be formed otherwise.
  • the projection 25 forms the sun gear 23 with an external toothing 26.
  • the external teeth 26 may be integrally formed with the projection 25, by machining or by chipless machining.
  • the external toothing 26 may be formed by a toothed ring element which is connected to the projection 25, for example by welding, riveting, caulking etc.
  • the intermediate part 15 forms a shoulder 27, which is formed as a ring gear 22 with an internal toothing 28.
  • the internal toothing 28 with the Ab- sentence 27 be formed in one piece, by machining or by chipless machining.
  • the internal teeth 28 may be formed by a toothed ring member which is connected to the shoulder 27, for example by welding, riveting, caulking etc.
  • the planetary gears 24 mesh the internal teeth 28 and the external teeth 26. They are preferably mounted on the secondary flywheel 3 by means of rivet elements 30.
  • FIG. 1 further shows that the intermediate part 15, in particular the flange 14 of the intermediate part 15, is rotatably mounted on the projection 25 by means of a bearing 29.
  • the bearing 29 may be a sliding bearing or a rolling bearing.
  • a clutch 31 with clutch disc 32 can be seen, wherein the clutch 31 is disposed on the secondary flywheel mass 3 and the clutch disc 32 between the pressure plate 33 of the clutch 31 and the secondary flywheel 3 clamps.

Landscapes

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

Abstract

L'invention concerne un amortisseur de vibrations de torsion (1) comportant une masse d'inertie primaire (2) côté entrée et une masse d'inertie secondaire (3) côté sortie qui sont montées rotatives l'une par rapport à l'autre, un élément intermédiaire (15) étant agencé axialement sensiblement entre la masse d'inertie primaire et la masse d'inertie secondaire, et un dispositif amortisseur à ressort (16) qui transmet un couple entre la masse d'inertie primaire et l'élément intermédiaire. L'amortisseur comporte une dérivation du couple de la masse d'inertie primaire sur la masse d'inertie secondaire et de la masse d'inertie primaire sur la masse d'inertie secondaire en passant par l'élément intermédiaire, la dérivation de couple étant réalisée sous la forme d'un engrenage planétaire muni d'un porte-satellites (21) formé par la masse d'inertie secondaire, d'une couronne (22) formée par l'élément intermédiaire, et d'un pignon planétaire (23) formé par la masse d'inertie primaire, des pignons satellites qui viennent en prise à la fois avec la couronne et le pignon planétaire étant articulés en rotation an niveau du porte-satellites.
EP15828641.9A 2015-01-22 2015-12-10 Amortisseur de vibrations de torsion Ceased EP3247921A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015201027 2015-01-22
PCT/DE2015/200533 WO2016116087A1 (fr) 2015-01-22 2015-12-10 Amortisseur de vibrations de torsion

Publications (1)

Publication Number Publication Date
EP3247921A1 true EP3247921A1 (fr) 2017-11-29

Family

ID=55236099

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15828641.9A Ceased EP3247921A1 (fr) 2015-01-22 2015-12-10 Amortisseur de vibrations de torsion

Country Status (4)

Country Link
EP (1) EP3247921A1 (fr)
CN (1) CN107110286B (fr)
DE (2) DE102015224762A1 (fr)
WO (1) WO2016116087A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017125690A1 (de) 2017-11-03 2019-05-09 Hasse & Wrede Gmbh Drehschwingungsdämpfer oder Drehschwingungstilger
DE102018221613A1 (de) * 2018-12-13 2020-06-18 Zf Friedrichshafen Ag Kupplungsanordnung mit einem Gehäuse und mit einem Tilgersystem

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9414314U1 (de) * 1993-12-22 1994-11-24 Fichtel & Sachs Ag Torsionsschwingungsdämpfer mit einem Planetengetriebe
DE102006031775A1 (de) * 2006-07-10 2008-03-27 Schaeffler Kg Torsionsschwingungsdämpfer, insbesondere Zweimassenschwungrad zwischen der Brennkraftmaschine und dem Getriebe eines Kraftfahrzeuges
DE102013204756A1 (de) * 2012-03-26 2013-09-26 Schaeffler Technologies AG & Co. KG Zweimassenschwungrad
DE102013201621A1 (de) 2013-01-31 2014-07-31 Zf Friedrichshafen Ag Drehschwingungsdämpfungsanordnung für den Antriebsstrang eines Fahrzeugs
US9234562B2 (en) * 2013-03-13 2016-01-12 Fuji Jukogyo Kabushiki Kaisha Damper device
JP5792216B2 (ja) * 2013-03-13 2015-10-07 富士重工業株式会社 ダンパ装置
DE102014204952A1 (de) * 2013-04-25 2014-10-30 Schaeffler Technologies Gmbh & Co. Kg Drehschwingungsdämpferanordnung zum Dämpfen von Drehschwingungen einer Antriebswelle eines Kraftfahrzeugmotors
DE102013214352A1 (de) * 2013-07-23 2015-01-29 Zf Friedrichshafen Ag Drehschwingungsdämpfungsanordnung für den Antriebsstrang eines Kraftfahrzeugs
DE102013214351A1 (de) * 2013-07-23 2015-01-29 Zf Friedrichshafen Ag Planetengetriebe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2016116087A1 *

Also Published As

Publication number Publication date
DE102015224762A1 (de) 2016-07-28
CN107110286B (zh) 2019-04-12
WO2016116087A1 (fr) 2016-07-28
CN107110286A (zh) 2017-08-29
DE112015006030A5 (de) 2017-09-28

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