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WO2008067915A1 - Roue motrice d'une transmission d'organe auxiliaire d'un moteur à combustion interne - Google Patents

Roue motrice d'une transmission d'organe auxiliaire d'un moteur à combustion interne Download PDF

Info

Publication number
WO2008067915A1
WO2008067915A1 PCT/EP2007/010109 EP2007010109W WO2008067915A1 WO 2008067915 A1 WO2008067915 A1 WO 2008067915A1 EP 2007010109 W EP2007010109 W EP 2007010109W WO 2008067915 A1 WO2008067915 A1 WO 2008067915A1
Authority
WO
WIPO (PCT)
Prior art keywords
drive wheel
wheel according
running
spring
hub
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/EP2007/010109
Other languages
German (de)
English (en)
Inventor
Rainer Pflug
Christian Hauck
Christian Fechler
Steffen Lehmann
Dimitri Sieber
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 Buehl Verwaltungs GmbH
LuK Lamellen und Kupplungsbau GmbH
IHO Holding GmbH and Co KG
Original Assignee
LuK Lamellen und Kupplungsbau Beteiligungs KG
LuK Lamellen und Kupplungsbau GmbH
Schaeffler 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
Priority claimed from DE200610057793 external-priority patent/DE102006057793A1/de
Application filed by LuK Lamellen und Kupplungsbau Beteiligungs KG, LuK Lamellen und Kupplungsbau GmbH, Schaeffler KG filed Critical LuK Lamellen und Kupplungsbau Beteiligungs KG
Priority to DE112007002872.6T priority Critical patent/DE112007002872B4/de
Publication of WO2008067915A1 publication Critical patent/WO2008067915A1/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
    • 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 of a secondary train of an internal combustion engine, with a running means operatively connected to a traction sheath, with a non-rotatably connected to the drive shaft of an auxiliary hub and with a between the barrel and the hub effectively arranged damping device for reducing torsional vibrations, wherein the damper comprises a spring accumulator operatively disposed between the barrel and the hub.
  • a disk-shaped component for a belt drive is known, in particular for driving an auxiliary unit of an internal combustion engine, which can be fastened on the crankshaft of the internal combustion engine.
  • the disc-shaped component includes a damping device which is provided between an attachable to the crankshaft input part and a rotatable relative thereto output part, wherein the input and output part are rotatable relative to each other via a rolling bearing.
  • DE 196 52 730 A1 discloses a drive wheel of an auxiliary train provided for the arrangement on a crankshaft, the damping device of which comprises a spring accumulator, a friction damper and a vibration damper.
  • DE 10 2005 029 351 A1 shows a drive wheel for driving an accessory of an internal combustion engine of a vehicle with a damping device, wherein the drive wheel is coupled to a shaft and wherein the Dämpfungseinrich- device comprises a working without lubricant torsional vibration damper. Similar solutions are known from DE 102 16 082 A1, DE 103 10 831 A1, DE 602 OO 178 T2, DE 195 35 889 A1, DE 44 27 636 A1 and EP 0 980 479 B1 known.
  • the structure of a prior art drive wheel according to a preferred type is apparent from Fig. 1.
  • the drive wheel 1 has a running jacket 2 which is mounted on a hub 3 via a bearing 16.
  • the rotary connection between the running jacket 2 and hub 3 is produced via a damping device 4, which has a spring accumulator 5.
  • It is a bow spring or a number of bow springs, which are arranged in corresponding receptacles of the damping device.
  • the one end-side region 21 of the drive wheel 1 is provided in the usual manner with a cover 22.
  • the present invention is therefore based Aufg a be, a drive wheel of the type mentioned in such a way that a simpler production of the running jacket is possible, in which case corresponding cost savings potentials are to be developed. Furthermore, it is to be achieved that nevertheless a sturdy bearing of the running jacket and of the parts interacting with it is ensured, so that a high service life results. Furthermore, the best possible encapsulation of the storage of the drive wheel is desired against the environment.
  • the running jacket of the drive wheel consists of a running part, a driver part and a spring receiver - that is to say a plurality of parts - the running part rotatably and permanently connected to the driver part and wherein the driver part is positively connected or connected to the spring receiver.
  • the driver part is preferably formed as a flat ring, which has at its radially outer and / or at its radially inner end region a profiling, which has at least one undercut in the circumferential direction.
  • profiling preferably a tooth profile is used.
  • the spring receiver can have at least one recess which corresponds to the shape of the profiling.
  • the driver part can be centered on its radially inner region on a seat portion of the running part relative to this.
  • the driver part may be fixed to the running part by means of a deformed portion of the running part. Specifically, this is intended for caulking or redistribution.
  • the running part and the spring receptacle can be fixed relative to each other via a positive connection in the axial direction.
  • the positive connection is preferably formed as a radial projection on the running part, which cooperates with a radial projection on the spring receptacle.
  • the radial projection on the running part is preferably directed outwards and the radial projection on the spring receiver inwards. After that, therefore, a positive connection is made in the manner of a clip connection.
  • the radial projections are formed in radial section seen rounded.
  • the driver part preferably consists of a flat sheet metal. It can be produced in an economical manner by a punching process.
  • a bearing can be arranged between the running jacket and the hub.
  • This can be a roller bearing, in particular a double-row needle bearing.
  • the bearing can have a seal of any kind.
  • the hub may have a cylindrical end portion which is rotatably connected to a driver element.
  • the rotationally fixed connection between the hub and the driver element can be designed as a splined connection or as a tooth profile connection.
  • the effective diameter of a spring element of the spring accumulator is designed to be larger than the outer diameter of the running part.
  • the spring element is preferably designed as a bow spring.
  • the damping device may finally comprise a serial arrangement of the spring accumulator and a slip clutch, wherein the spring accumulator between the running jacket and a rotatably mounted on the hub drive plate and the slip clutch between the drive plate and the hub are effectively arranged.
  • Fig. 6 shows the radial section through the barrel jacket of FIG. 5 and
  • FIG. 7 is an enlarged view of the radial section of FIG .. 6
  • a drive wheel 1 of an accessory train of an internal combustion engine to see, with the individual components in the exploded state, ie in an exploded view, are shown. Only the components of interest here are indicated.
  • the an auxiliary unit, such as a generator, associated drive wheel 1 of the ancillary train comprises a standing with a traction means not shown running jacket 2, which in turn consists of several parts 6, 7 and 8, a non-rotatably connected to the drive shaft of the auxiliary hub 3 and a between the running jacket 2 and the hub 3 effectively arranged damping device 4 for reducing torsional vibrations.
  • the running jacket 2 and in particular the running part 6 has on its outer circumference a contour adapted to the traction means used, wherein in the present case a V-ribbed belt is provided as traction means.
  • the damping device 4 is formed from a serial arrangement of a spring accumulator 5 and a slip clutch 23.
  • the spring accumulator 5 has a plurality of bow springs 20, which are rotatably mounted between the running jacket 2 and one on the hub 3.
  • gerten drive plate 24 are arranged, which are guided in axially opposite half-open annular chambers (not labeled) of the barrel shell 2 and the drive plate 24, which abut each other at their ends mutually on a peripheral stop surface of a driving cam of the barrel shell 2 and a driving cam 24 of the drive ,
  • the slip clutch 23 is disposed on the side facing away from the spring accumulator 5 axially between the drive plate 24 and the hub 3 and has an annular disc-shaped friction ring which is disposed between a friction surface of the drive plate 24 and a driver element 18. Further details of this design are described in DE 10 2005 059 030 A1, to which reference is hereby expressly made.
  • the pitch circle of the bow spring (s) is chosen as large as possible, preferably larger than the effective diameter of the running part. 6
  • the hub 3 has a cylindrical end region 17 which is provided with a tooth profile connection 19.
  • a rotationally fixed connection with the driver element 18 can be produced, which has a corresponding tooth profile connection 19. This saves material at the hub. Furthermore, a more economical production is possible (production in transit).
  • the running jacket 2 consists of a total of three composite parts, namely a running part 6 (pulley), a driver part 7 (toothed disc) and a spring retainer 8 (also referred to as damper cage).
  • the three parts can be seen in Fig. 3 in exploded view.
  • the driver element 7 is an annular sheet metal disc which is punched out in the illustrated form. Both in the radially outer region and in the radially inner region, the driver element 7 has a tooth profiling 9 and 10, respectively.
  • the inner profiling 10 serves only for the formation of radially inwardly limited centering sections, which rest on a seat section 12 of the running part 6 during assembly of the running part 6 and driver part 7 (see in particular FIGS. 6 and 7) and thus the driver part 7 for the running part 6 centered.
  • the drive plate 7 are connected to the running part 6 both in the circumferential direction and axially fixed to each other, an initially axially extending end portion at the axial end of the running part 6 is formed, d. H. crimped or caulked, so that a deformed portion 13 is formed, which ensures a permanent connection of the two parts. By means of this connection, the torque can be transmitted reliably.
  • the rotationally fixed connection between the preassembled unit consisting of the running part 6 and the driver part 7 and the spring receiver 8 is produced by the profile 9 arranged on the outer circumference of the driver part 7.
  • the spring retainer 8 has correspondingly profiled recesses 11 into which the profiling 9 engages. This is best seen in Fig. 5.
  • the profiling 9 is inserted accurately into the recesses 11 and then pushed the parts 6, 7 and 8 axially towards each other.
  • the spring receiver 8 has an inwardly directed radial projection 15.
  • the radial projection 14 has a larger outer diameter than the radial projection 15. Both projections therefore together form a positive connection in the manner of a clip connection.
  • the bearing 16, which supports the running jacket 2 relative to the hub 3, is designed in the embodiment as a double-row needle bearing, which is equipped with a rubbing (sealing ring) and / or with a non-rubbing seal (gap seal). Also possible is the alternative use of a plain bearing.
  • a cover 22 is present in the left frontal region of the drive wheel 1 in the prior art - as shown in Fig. 1 drawn - usually a cover 22 is present.
  • a cover is advantageously not provided in the embodiment according to the present invention. It comes to a less obstructed heat flow from the heat source (storage in the middle of the drive wheel) to the frontal area.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

L'invention concerne une roue motrice (1) d'une transmission d'organe auxiliaire d'un moteur à combustion interne. Elle comprend une enveloppe mobile (2) en liaison fonctionnelle avec un moyen de traction, un moyeu (3) lié en rotation à l'axe d'entraînement d'un organe auxiliaire, et un dispositif d'amortissement (4) disposé activement entre l'enveloppe mobile (2) et le moyeu (3) pour réduire les vibrations de torsion. Le dispositif d'amortissement (4) comprend un accumulateur à ressort (5) qui est disposé activement entre l'enveloppe mobile (2) et le moyeu (3). Selon l'invention, afin d'obtenir une fabrication plus économique de l'enveloppe mobile, l'enveloppe mobile (2) est constituée d'une partie mobile (6), d'une partie entraîneuse (7) et d'un logement de ressort (8), la partie mobile (6) étant assemblée de façon permanente et en solidarité de rotation à la partie entraîneuse (7), et la partie entraîneuse (7) étant ou pouvant être assemblée en engagement positif au logement de ressort (8).
PCT/EP2007/010109 2006-12-06 2007-11-22 Roue motrice d'une transmission d'organe auxiliaire d'un moteur à combustion interne Ceased WO2008067915A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112007002872.6T DE112007002872B4 (de) 2006-12-06 2007-11-22 Triebrad eines Nebenaggregatezugs eines Verbrennungsmotors

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102006057793.0 2006-12-06
DE200610057793 DE102006057793A1 (de) 2006-12-06 2006-12-06 Triebrad eines Nebenaggregatezugs eines Verbrennungsmotors
US86947606P 2006-12-11 2006-12-11
US60/869,476 2006-12-11

Publications (1)

Publication Number Publication Date
WO2008067915A1 true WO2008067915A1 (fr) 2008-06-12

Family

ID=39232831

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/010109 Ceased WO2008067915A1 (fr) 2006-12-06 2007-11-22 Roue motrice d'une transmission d'organe auxiliaire d'un moteur à combustion interne

Country Status (2)

Country Link
DE (1) DE112007002872B4 (fr)
WO (1) WO2008067915A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE102017115466A1 (de) 2017-07-11 2019-01-17 Schaeffler Technologies AG & Co. KG Riemenscheibenentkoppler mit integrierter Rutschkupplung sowie ein Nebenaggregatetrieb mit einem solchen Riemenscheibenentkoppler
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
WO2022104478A1 (fr) 2020-11-19 2022-05-27 Litens Automotive Partnership Découpleur pour agencement d'entraînement sans fin

Citations (15)

* 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
US5377962A (en) * 1992-08-08 1995-01-03 Firma Carl Freudenberg Rotational vibration damper
DE4427636A1 (de) 1993-08-30 1995-03-02 Schaeffler Waelzlager Kg Freilauftilger
DE19535889A1 (de) 1995-09-27 1997-04-03 Schaeffler Waelzlager Kg Freilaufkupplung für einen Lichtmaschinenantrieb
DE19652730A1 (de) 1995-12-22 1997-06-26 Luk Lamellen & Kupplungsbau Triebscheibe
EP0980479A1 (fr) 1997-05-07 2000-02-23 Litens Automotive Partnership Systeme d'entrainement en serpentin avec decoupleur d'alternateur a roue libre ameliore
DE10216082A1 (de) 2001-11-15 2003-06-12 Karl Heinz Linnig Gmbh & Co Kg Vorrichtung zur Dämpfung von Drehschwingungen
DE10310831A1 (de) 2002-04-10 2003-11-06 Luk Lamellen & Kupplungsbau Antriebsstrang und Verfahren zu dessen Betrieb
DE60200178T2 (de) 2001-07-26 2004-09-16 Diantel Corp. N.V. Riemenscheibeneinheit, insbesondere für eine Brennkraftmaschine
DE102005029351A1 (de) 2004-07-02 2006-01-26 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Triebrad zum Antreiben eines Nebenaggregates eines Fahrzeuges
EP1662161A1 (fr) * 2004-11-24 2006-05-31 Hutchinson Poulie d'organe de transmission de puissance, alterno-démarreur séparé équipé d'une telle poulie et système d'entrainement de moteur thermique
WO2007000152A1 (fr) * 2005-06-29 2007-01-04 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Systeme pour amortir les vibrations au niveau d'une roue motrice et roue motrice pour train de sous-groupes de moteur a combustion interne
DE102005059030A1 (de) 2005-12-10 2007-06-14 Schaeffler Kg Triebrad eines Nebenaggregatezugs eines Verbrennungsmotors
WO2007118441A2 (fr) * 2006-04-13 2007-10-25 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Dispositif permettant d'amortir les vibrations d'une roue motrice destinée à entraîner une unité secondaire d'un véhicule automobile
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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5452622A (en) * 1993-02-09 1995-09-26 Magi, L.P. Stress dissipation gear
JP2001159455A (ja) * 1999-12-01 2001-06-12 Sanden Corp 動力伝達機構

Patent Citations (15)

* 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
US5377962A (en) * 1992-08-08 1995-01-03 Firma Carl Freudenberg Rotational vibration damper
DE4427636A1 (de) 1993-08-30 1995-03-02 Schaeffler Waelzlager Kg Freilauftilger
DE19535889A1 (de) 1995-09-27 1997-04-03 Schaeffler Waelzlager Kg Freilaufkupplung für einen Lichtmaschinenantrieb
DE19652730A1 (de) 1995-12-22 1997-06-26 Luk Lamellen & Kupplungsbau Triebscheibe
EP0980479A1 (fr) 1997-05-07 2000-02-23 Litens Automotive Partnership Systeme d'entrainement en serpentin avec decoupleur d'alternateur a roue libre ameliore
DE60200178T2 (de) 2001-07-26 2004-09-16 Diantel Corp. N.V. Riemenscheibeneinheit, insbesondere für eine Brennkraftmaschine
DE10216082A1 (de) 2001-11-15 2003-06-12 Karl Heinz Linnig Gmbh & Co Kg Vorrichtung zur Dämpfung von Drehschwingungen
DE10310831A1 (de) 2002-04-10 2003-11-06 Luk Lamellen & Kupplungsbau Antriebsstrang und Verfahren zu dessen Betrieb
DE102005029351A1 (de) 2004-07-02 2006-01-26 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Triebrad zum Antreiben eines Nebenaggregates eines Fahrzeuges
EP1662161A1 (fr) * 2004-11-24 2006-05-31 Hutchinson Poulie d'organe de transmission de puissance, alterno-démarreur séparé équipé d'une telle poulie et système d'entrainement de moteur thermique
WO2007000152A1 (fr) * 2005-06-29 2007-01-04 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Systeme pour amortir les vibrations au niveau d'une roue motrice et roue motrice pour train de sous-groupes de moteur a combustion interne
DE102005059030A1 (de) 2005-12-10 2007-06-14 Schaeffler Kg Triebrad eines Nebenaggregatezugs eines Verbrennungsmotors
WO2007118441A2 (fr) * 2006-04-13 2007-10-25 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Dispositif permettant d'amortir les vibrations d'une roue motrice destinée à entraîner une unité secondaire d'un véhicule automobile
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 (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
DE102017115466A1 (de) 2017-07-11 2019-01-17 Schaeffler Technologies AG & Co. KG Riemenscheibenentkoppler mit integrierter Rutschkupplung sowie ein Nebenaggregatetrieb mit einem solchen Riemenscheibenentkoppler
WO2022104478A1 (fr) 2020-11-19 2022-05-27 Litens Automotive Partnership Découpleur pour agencement d'entraînement sans fin

Also Published As

Publication number Publication date
DE112007002872B4 (de) 2017-01-26
DE112007002872A5 (de) 2009-10-01

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