WO2008071306A1 - Ensemble découpleur - Google Patents

Ensemble découpleur Download PDF

Info

Publication number
WO2008071306A1
WO2008071306A1 PCT/EP2007/010343 EP2007010343W WO2008071306A1 WO 2008071306 A1 WO2008071306 A1 WO 2008071306A1 EP 2007010343 W EP2007010343 W EP 2007010343W WO 2008071306 A1 WO2008071306 A1 WO 2008071306A1
Authority
WO
WIPO (PCT)
Prior art keywords
drive wheel
pulley
hub
spring
shaft
Prior art date
Application number
PCT/EP2007/010343
Other languages
German (de)
English (en)
Inventor
Rainer Pflug
Christian Hauck
Steffen Lehmann
Christian Fechler
Dimitri Sieber
Original Assignee
Schaeffler Kg
Luk Lamellen- Und Kupplungsbau Beteiligungs 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 Kg, Luk Lamellen- Und Kupplungsbau Beteiligungs Kg filed Critical Schaeffler Kg
Priority to DE112007002873T priority Critical patent/DE112007002873A5/de
Publication of WO2008071306A1 publication Critical patent/WO2008071306A1/fr

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
    • F16F15/121—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
    • F16F15/123—Wound springs
    • F16F15/1232—Wound springs characterised by the spring mounting
    • 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
    • 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
    • F16H2055/366—Pulleys with means providing resilience or vibration damping

Definitions

  • the invention relates to a drive wheel arrangement of a traction mechanism drive, in particular a belt drive, preferably for driving an auxiliary unit of an internal combustion engine, comprising a pulley operatively connected to a traction device and a hub or shaft, wherein between the hub or shaft and the pulley, a damping device is arranged including a spring storage element.
  • Such a drive wheel arrangement is used, for example, in conjunction with an internal combustion engine of a motor vehicle and serves to drive an auxiliary unit integrated into the traction mechanism drive.
  • the drive wheel comprises a disk which is operatively connected to the traction means and can also be referred to as a running jacket, usually a belt pulley, and a hub or shaft rotatably connected to the drive axle of the auxiliary unit. Between the pulley and the shaft, a damper enclosing damping device is arranged to reduce torsional vibrations.
  • a disc-shaped component for a belt drive is known, in particular for driving an accessory of an internal combustion engine, which is mounted on the crankshaft of the internal combustion engine.
  • the disc-shaped component includes a damping device which is provided between an attached to the crankshaft input part and a rotatable relative thereto output part. The input and the output part are arranged to rotate about a rolling bearing to each other.
  • the object of the invention is to develop a drive wheel arrangement of the aforementioned type in such a way that an increased rigidity and an improved torque transmission are established.
  • the pulley is connected to an outer damper cage, which has at least one Spring storage element with a rotatably mounted on the hub or shaft inner damper cage is in communication.
  • the torque is transmitted via the pulley in the operating state within the drive wheel assembly by a positive connection to a first outer damper cage.
  • the torque is transmitted via at least one spring-loaded element to a further inner damper cage, which is rotatably mounted on the shaft.
  • the drive assembly includes two or more spring-loaded elements connected in parallel. This structure allows a desired, almost unrestricted transmission of torque in both directions of rotation.
  • the inventive concept may further be equipped with an arranged between the inner damper cage and the generator or aggregate shaft overload clutch, which allows a restriction of the torque to be transmitted. Also, an increase in the rigidity of the drive wheel assembly or the decoupler can be achieved.
  • the pulley is suitably positively connected to the outer damper cage, which is designed in the manner of a sleeve and is also pressed into the sleeve-like pulley.
  • the form-fitting composite is expediently realized by means of abutting cylindrical surfaces.
  • the rotary mounting of the pulley is expediently carried out via at least one first bearing on the hub or shaft or on a component rotationally fixed to the hub or shaft and via a second bearing on the inner damper cage or a non-rotatably connected to the hub or shaft, if appropriate further component. That is, there is the possibility that the pulley is supported either directly over the first bearing on the hub or shaft, or on a support ring attached to the hub or shaft. Accordingly, the pulley is either at the axial other end rotatably supported on the inner damper cage, or even there on one, then optionally further, non-rotatably mounted on the shaft or hub component.
  • the first bearing may be a roller bearing and the second bearing may be a plain bearing, or vice versa.
  • the first bearing may be a roller bearing and the second bearing may be a plain bearing, or vice versa.
  • the second bearing may be a plain bearing, or vice versa.
  • roller bearing In the case of using a roller bearing to form the second bearing, its inner ring can preferably be arranged on the front side of the inner damper cage or the optionally further component and the outer ring on the pulley.
  • a rolling bearing basically any types of bearings such as ball or needle roller bearings can be used.
  • the first bearing preferably when this is designed as a rolling bearing, is expediently also designed as axial guidance of the pulley.
  • an overload coupling arranged between the inner damper cage and the generator or aggregate shaft or hub can be provided, which makes it possible to restrict the torque to be transmitted.
  • a damping device comprising at least one spring-loaded element is provided between the two damper cages. The torque, regardless of whether this is introduced via the pulley or via the hub or shaft, is passed on via this damping device. It has proved to be expedient if at least two parallel spring-loaded elements are provided, are also conceivable three or more parallel spring-loaded elements. About the number of elements, the torsional rigidity of the arrangement can be adjusted.
  • a particularly advantageous development of the invention provides, at least one further spring storage element, which is connected in series with the at least one arranged between the damper cages spring storage element, which further spring storage element is connected to the inner damper cage and a rotatably connected to the hub or shaft component ,
  • this series-connected further spring element which is connected in series with respect to the located between the two cages, at least one or the plurality of spring storage elements located there, the torsional stiffness can be adjusted even better.
  • a circuit of this further spring element parallel to the lain between the cages lent spring storage elements a lower torsional stiffness and a larger angle of rotation can be realized, which is advantageous depending on the purpose.
  • the at least one further spring element element supporting shaft or hub side is expediently provided axially adjacent to the inner damper cage, wherein the spring-loaded element is located axially between the component and the damper cage.
  • the mutually adjacent surfaces of the inner damper cage and the component are formed such that a corresponding, preferably the shape of the spring (s) adapted receiving space for the one or more other spring memory elements is formed.
  • a spring storage element regardless of whether it is arranged between the cages or between the inner damper cage and the component, is designed with particular advantage in the form of a bow spring. About such bow springs, a sufficient damping effect can be achieved, at the same time exists in parallel connection and possibly pure circuit in the described embodiment the ability to transmit high moments.
  • each spring memory element plane which are positioned in a circular arrangement.
  • two or more quasi segmentally arranged bow springs are arranged in each spring plane, which are supported respectively on the inner and outer damper cage and on the inner damper cage and the component.
  • each bow spring for example, an opening angle of 105 °, the three springs are offset by 120 ° relative to each other.
  • the spring storage elements radial projections are provided on the damper cages and optionally the component, where the spring storage elements are supported, so are supported with their front pages.
  • a further expedient development of the invention provides for at least the or between the damper cages arranged bow springs in a outside abutting them, one or more of the spring shape corresponding channel-like recesses containing guide.
  • This ensures reliable guidance of the springs in the radial and axial directions after the springs - regardless of whether one or more bow springs are provided per spring plane - are securely received in the channel-like recesses radially and axially.
  • the guide consists of axially successively arranged guide elements which abut one another in the region of the center, whereby two guide elements each for forming a one-piece supplement.
  • each recess is divided in the middle, that is, each guide member has half a recess.
  • a first guide element is first used, after which the one or more of the plane associated bow springs are positioned. Anschmanend the second guide member is pushed axially, so that the recess is closed.
  • half the recess of the adjacent plane can be executed, that is to say, in the next step, the second plane bow springs are or are to be positioned, after which a correspondingly formed guide element is pushed on and second recess of the second arc level is closed, etc.
  • the guide or the guide elements are expediently made of plastic, in view of their mechanical stress is expediently a fiber-reinforced plastic used.
  • the drive wheel assembly for forming a start-stop capable decoupler in which therefore a torque not only on the pulley, but also in the case of the coupled with the drive wheel assembly generator that drives the shaft or hub can be introduced, It has proven to be expedient to provide a rotation of the hub or shaft relative to the pulley limiting stop means on one of the hub or shaft rotatably mounted component and on the pulley at a rotation of the hub or shaft relative to the pulley to a defined angle of rotation run against each other. This ensures that a full torque transfer takes place via the mechanically stiff stop coupling between the component and the pulley. But even with a non-start-stop capable, conventional decoupler the use of such slings is appropriate to limit the angle of rotation.
  • the stop means are expediently in the form of at least one radial stop on the component or the pulley. educated. Since the pulley and the component are each ring-shaped or sleeve-shaped elements, it is possible to produce the corresponding stops from one piece by means of forming technology.
  • the stop means can also be designed in the form of at least one axial stop on the component and on the pulley. In this case, for example, the sleeve-like shaft side arranged component is provided with axial recesses into which pass through tabs of the pulley and thus limit the angle of rotation.
  • a rotatably connected to the shaft or hub component is suitably designed in the form of a pressed-on sleeve, it being possible depending on the inventive design of the drive wheel or Decouplers to use only such a component, or two such components against rotation to arrange the hub or shaft.
  • FIG. 1 is a schematic diagram of a drive wheel assembly according to the invention of a first embodiment
  • FIG 3 shows a drive wheel arrangement according to the invention of a third embodiment.
  • a drive wheel arrangement 1 comprising a hub or shaft 2, on which a pulley 3 is supported with its one end via a first bearing 4, here in the form of a roller bearing 5.
  • a first component 6 is rotatably mounted on the hub or shaft 2, on which the inner ring 7a of the rolling bearing 5, here a ball bearing, seated, while the outer ring 7b rotationally fixed to the pulley 3 is connected.
  • the pulley 3 with an axially extending lug 8 via another bearing 9, here in the form of a sliding bearing 10, on a radially extending lug 11 of an inner damper cage 12 which is rotatably mounted on the hub or shaft 2 supported.
  • a damping device 13 is arranged, comprising an outer damper cage 14 which is positively connected and thus rotatably connected to the pulley 3.
  • the ZyMn- the outer surface of the damper cage 14 is positively and thus frictionally engaged on the cylinder inner surface of the pulley 3.
  • the damper device 13 comprises the already described inner damper cage 12, which rests with its axial portion 15 rotatably mounted on the shaft or hub.
  • each spring memory element level I 1 II, III comprises at least one bow spring 17, but preferably more, preferably three, Bogenfedem 17 are arranged in each plane. These three Bogenfedem 17 are positioned equidistantly offset by 120 ° to each other and have an opening angle of about 105 °.
  • the torque is transmitted from the pulley 3 to the shaft or hub 2.
  • the moment flow is illustrated by the arrows. It runs from the pulley 3 via the outer damper cage 14 via the bow springs 17 to the inner damper cage 11 and from there via the Ü overload clutch 19 to the shaft or hub 2, which is coupled to the driven unit, such as a generator.
  • Fig. 1 shows the use of a ball bearing as a rolling bearing 5, which also provides an axial bearing of the pulley 3, it is also conceivable to use there as a rolling bearing a needle bearing. It is also conceivable, instead of the plain bearing 10 shown in FIG. 1, which has a separate sliding element shown in dashed lines in FIG. 1, to insert the sliding bearing directly between the axial shoulder 8 of the pulley and the radial extension 11 of the inner one by suitable material pairing Damper cage 12 to realize. Similarly, it would also be possible to reverse the arrangement of roller bearing 5 and slide bearing 10, so instead of the rolling bearing 5 to arrange a plain bearing and provide a rolling bearing 10 instead of the sliding bearing. The outer ring 7b of the then left in Fig. 1 arranged rolling bearing would still be rotatably connected to the pulley 3, while the inner ring 7a rotationally fixed on the radial projection 11 of the inner damping cage 12 would sit.
  • FIG. 2 shows a design comparable to the embodiment according to the invention of the bearing arrangement or of the decoupler 1 from FIG. 1.
  • the bearing arrangement 1 shown here has a further sliding bearing 20 instead of the rolling bearing 5 provided in FIG on, which forms the first camp 4.
  • the slide bearing 20 also includes a dashed line shown here Sliding surface over which the pulley 3 on a slightly larger radius here having a component 6 which is rotatably mounted on the hub or shaft 2, runs.
  • a slide bearing 10 is still provided to form the second bearing 9, that is, here the belt pulley 3 is rotatably mounted on both sides via two slide bearings.
  • Fig. 3 shows a further embodiment of a bearing assembly 1 according to the invention, wherein the same reference numerals are still used for the same components.
  • a pulley 3 is provided which is rotatable relative to a shaft or hub 2.
  • a damping device 13 comprising an outer damper cage 14, an inner damper cage 12 and a plurality of interposed spring memory elements 16 in the form of bow springs 17 which are arranged in this embodiment in two spring planes I, Il and connected in parallel.
  • each spring plane I 1 Il comprises a plurality of bow springs, preferably in turn three, which are equidistantly spaced by 120 °.
  • the guide 22 consists of individual guide elements 23, 24, 25. These guide elements 23 - 25 are annular and are arranged axially one behind the other. Each guide element forms one half of a channel-like recess 18, that is, this is divided in the longitudinal center.
  • the guide element 23 is first set, after which the bow springs 17 are positioned, whereupon the middle guide element 24 is inserted and the first recess 18 is closed.
  • the middle guide element 24 has on both sides in each case half a feeding area. Subsequently, the bow springs of the second spring level Il are used, after which the third guide member 25 is set and the second Eintiefungskanal is closed. This ensures simple and safe guidance as well as assembly.
  • the guide means 23, 24, 25 are preferably made of fiber-reinforced plastic.
  • a third spring element plane IM is realized, e- b founded formed over a plurality of bow springs 17, preferably three springs which are arranged equidistantly and form a circular ring. However, these bow springs 17 do not work parallel to the bow springs 17 of the levels I, II, but are functionally connected in series with them.
  • the bow springs 17 on the one hand to corresponding on bearing portions 26 of the inner damper cage 12 and to corresponding bearing portions 27 of a non-rotatably connected to the hub or shaft 2 component 28 comprising a pressed-sleeve 29 with an insert 30 on which the formed on bearing portion 27 is, counterparted.
  • the end face of the radial projection 11 of the inner ring and the opposite end face of the insert 30 each have a channel-like recess 31, 32, which corresponds to the shape of the bow springs. Both complement each other and form a leadership channel.
  • the depressions are limited at their ends in each case via the bearing lugs 26, 27.
  • the torque flow is reversed when the bearing arrangement shown in FIG. 3 is a so-called start-stop-capable embodiment of such a decoupler, ie in the opposite direction also a torque from the hub or shaft 2 to the pulley can be transferred.
  • a torque from the hub or shaft 2 to the pulley can be transferred.
  • the hub or shaft 2 is driven by means of the generator and a torque transmitted to the pulley so that the internal combustion engine can be started via the traction drive.
  • stop means which define or limit a twist angle.
  • stop means 33 are realized between the belt pulley 3 and the component 6 shown on the right in FIG. 3 and connected non-rotatably to the hub or shaft 2.
  • the pulley mounted there via a roller bearing 5 has a radially inwardly directed collar 34, on which at least one stop 35, which projects radially inwards, is formed.
  • a radially outwardly extending stop collar 36 is provided on which also a corresponding projecting stop, which is not shown here in detail, is formed.

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  • 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

Ensemble de roue motrice d'une transmission à moyen de traction, notamment d'une transmission à courroie, de préférence pour l'entraînement d'un organe auxiliaire d'un moteur à combustion interne, comprenant : une poulie de courroie se trouvant en liaison fonctionnelle avec un moyen de traction ; et un moyeu ou arbre. Un dispositif d'amortissement est disposé entre le moyeu ou arbre et la poulie de courroie, dispositif qui comprend un élément accumulateur à ressort. La poulie de courroie (3) est reliée à une cage d'amortisseur extérieure (14) qui, par l'intermédiaire d'au moins un élément accumulateur à ressort (16), se trouve en liaison avec une cage d'amortisseur intérieure (12) positionnée à rotation sur le moyeu ou arbre (2).
PCT/EP2007/010343 2006-12-11 2007-11-29 Ensemble découpleur WO2008071306A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112007002873T DE112007002873A5 (de) 2006-12-11 2007-11-29 Decoupler-Anordnung

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US86948406P 2006-12-11 2006-12-11
US60/869,484 2006-12-11
DE102006059202 2006-12-13
DE102006059202 2006-12-13

Publications (1)

Publication Number Publication Date
WO2008071306A1 true WO2008071306A1 (fr) 2008-06-19

Family

ID=39203313

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/010343 WO2008071306A1 (fr) 2006-12-11 2007-11-29 Ensemble découpleur

Country Status (1)

Country Link
WO (1) WO2008071306A1 (fr)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8827311B2 (en) 2010-05-25 2014-09-09 Thyssenkrupp Presta Aktiengesellschaft Spring element
US8894097B2 (en) 2010-06-28 2014-11-25 Thyssenkrupp Presta Aktiengesellschaft Adjustable steering column for a motor vehicle
US9233707B2 (en) 2010-12-15 2016-01-12 Thyssenkrupp Presta Aktiengesellschaft Steering column for a motor vehicle
US9399481B2 (en) 2008-03-31 2016-07-26 Thyssenkrupp Presta Aktiengesellschaft Steering column for a motor vehicle
US9518646B2 (en) 2010-11-09 2016-12-13 Litens Automotive Partnership Decoupler assembly having limited overrunning capability
US9797498B2 (en) 2013-05-23 2017-10-24 Litens Automotive Partnership Isolator with double acting spring system with reduced noise
US9869365B2 (en) 2013-08-27 2018-01-16 Litens Automotive Partnership Isolator for use with engine that is assisted or started by an MGU or a motor through an endless drive member
US9927000B2 (en) 2013-10-01 2018-03-27 Litens Automotive Partnership Decoupler with controlled damping
US9982721B2 (en) 2010-11-14 2018-05-29 Litens Automotive Partnership Decoupler with tuned damping and methods associated therewith
US10041578B2 (en) 2013-07-25 2018-08-07 Litens Automotive Partnership Spring assembly for isolator
US10060502B2 (en) 2012-10-12 2018-08-28 Litens Automotive Partnership Isolator for use with engine that is assisted or started by an MGU or a motor through an endless drive member
US10125856B2 (en) 2013-11-10 2018-11-13 Litens Automotive Partnership Isolator with dual springs
CN109386570A (zh) * 2017-08-11 2019-02-26 宁波市洋通汽车配件有限公司 一种单向减振解耦器
US10267405B2 (en) 2013-07-24 2019-04-23 Litens Automotive Partnership Isolator with improved damping structure
US10767724B2 (en) 2014-08-27 2020-09-08 Litens Automotive Partnership Isolator for use with engine that is assisted or started by an MGU or a motor through an endless drive member
WO2020192844A1 (fr) 2019-03-27 2020-10-01 Schaeffler Technologies AG & Co. KG Dispositif de désaccouplement de poulie à courroie pourvu de ressorts montés en parallèle

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4225304A1 (de) 1991-08-07 1993-02-11 Luk Lamellen & Kupplungsbau Scheibenfoermiges bauteil
DE19652730A1 (de) * 1995-12-22 1997-06-26 Luk Lamellen & Kupplungsbau Triebscheibe
DE19919449A1 (de) * 1998-05-04 1999-11-11 Luk Lamellen & Kupplungsbau Triebscheibe
DE10103082A1 (de) * 2000-09-28 2002-04-18 Ina Schaeffler Kg Riemenscheibe
DE102005029351A1 (de) * 2004-07-02 2006-01-26 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Triebrad zum Antreiben eines Nebenaggregates eines Fahrzeuges
WO2008022897A1 (fr) * 2006-08-22 2008-02-28 Schaeffler Kg Roue d'entraînement d'un train d'organes auxiliaires d'un moteur à combustion interne

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4225304A1 (de) 1991-08-07 1993-02-11 Luk Lamellen & Kupplungsbau Scheibenfoermiges bauteil
DE19652730A1 (de) * 1995-12-22 1997-06-26 Luk Lamellen & Kupplungsbau Triebscheibe
DE19919449A1 (de) * 1998-05-04 1999-11-11 Luk Lamellen & Kupplungsbau Triebscheibe
DE10103082A1 (de) * 2000-09-28 2002-04-18 Ina Schaeffler Kg Riemenscheibe
DE102005029351A1 (de) * 2004-07-02 2006-01-26 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Triebrad zum Antreiben eines Nebenaggregates eines Fahrzeuges
WO2008022897A1 (fr) * 2006-08-22 2008-02-28 Schaeffler Kg Roue d'entraînement d'un train d'organes auxiliaires d'un moteur à combustion interne

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9610969B2 (en) 2008-03-31 2017-04-04 Thyssenkrupp Presta Aktiengesellschaft Steering column for a motor vehicle
US9399481B2 (en) 2008-03-31 2016-07-26 Thyssenkrupp Presta Aktiengesellschaft Steering column for a motor vehicle
US8827311B2 (en) 2010-05-25 2014-09-09 Thyssenkrupp Presta Aktiengesellschaft Spring element
US8894097B2 (en) 2010-06-28 2014-11-25 Thyssenkrupp Presta Aktiengesellschaft Adjustable steering column for a motor vehicle
US9518646B2 (en) 2010-11-09 2016-12-13 Litens Automotive Partnership Decoupler assembly having limited overrunning capability
US9982721B2 (en) 2010-11-14 2018-05-29 Litens Automotive Partnership Decoupler with tuned damping and methods associated therewith
US9233707B2 (en) 2010-12-15 2016-01-12 Thyssenkrupp Presta Aktiengesellschaft Steering column for a motor vehicle
US10060502B2 (en) 2012-10-12 2018-08-28 Litens Automotive Partnership Isolator for use with engine that is assisted or started by an MGU or a motor through an endless drive member
US9797498B2 (en) 2013-05-23 2017-10-24 Litens Automotive Partnership Isolator with double acting spring system with reduced noise
US10690228B2 (en) 2013-05-23 2020-06-23 Litens Automotive Partnership Isolator with double acting spring system with reduced noise
US10267405B2 (en) 2013-07-24 2019-04-23 Litens Automotive Partnership Isolator with improved damping structure
US10041578B2 (en) 2013-07-25 2018-08-07 Litens Automotive Partnership Spring assembly for isolator
US9869365B2 (en) 2013-08-27 2018-01-16 Litens Automotive Partnership Isolator for use with engine that is assisted or started by an MGU or a motor through an endless drive member
US9927000B2 (en) 2013-10-01 2018-03-27 Litens Automotive Partnership Decoupler with controlled damping
US10125856B2 (en) 2013-11-10 2018-11-13 Litens Automotive Partnership Isolator with dual springs
US10767724B2 (en) 2014-08-27 2020-09-08 Litens Automotive Partnership Isolator for use with engine that is assisted or started by an MGU or a motor through an endless drive member
CN109386570A (zh) * 2017-08-11 2019-02-26 宁波市洋通汽车配件有限公司 一种单向减振解耦器
WO2020192844A1 (fr) 2019-03-27 2020-10-01 Schaeffler Technologies AG & Co. KG Dispositif de désaccouplement de poulie à courroie pourvu de ressorts montés en parallèle
CN113544396A (zh) * 2019-03-27 2021-10-22 舍弗勒技术股份两合公司 具有并联连接的弹簧的带轮解耦器

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