EP2396521B1 - Dispositif de réglage pour arbres à cames de moteurs à combustion interne de véhicules tels que véhicules à moteur, embarcations, bateaux ou similaires - Google Patents

Dispositif de réglage pour arbres à cames de moteurs à combustion interne de véhicules tels que véhicules à moteur, embarcations, bateaux ou similaires Download PDF

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Publication number
EP2396521B1
EP2396521B1 EP10700809.6A EP10700809A EP2396521B1 EP 2396521 B1 EP2396521 B1 EP 2396521B1 EP 10700809 A EP10700809 A EP 10700809A EP 2396521 B1 EP2396521 B1 EP 2396521B1
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EP
European Patent Office
Prior art keywords
gear
adjusting device
sun gear
camshaft
ring
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.)
Active
Application number
EP10700809.6A
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German (de)
English (en)
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EP2396521A1 (fr
Inventor
Andreas Kaiser
Helmut Schön
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.)
Sbs-Feintechnik GmbH&Co KG
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Sbs-Feintechnik GmbH&Co KG
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Publication of EP2396521A1 publication Critical patent/EP2396521A1/fr
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Publication of EP2396521B1 publication Critical patent/EP2396521B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/352—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using bevel or epicyclic gear

Definitions

  • the connecting element may be connected directly to the camshaft in a force-locking manner, preferably by means of a press connection, in particular a cylindrical press connection.
  • the reduction gear is advantageous a worm gear, with which not only a high reduction is possible, but which is also self-locking in an advantageous manner.
  • the motor shaft can also lie in a plane which is rotated about the pitch angle of a worm gear from the perpendicular to the camshaft or to the axis of the connecting element.
  • the bearing is advantageously arranged substantially in the plane of action of the deflection wheel.
  • the deflection wheel is advantageously made of metallic material.
  • the teeth of such a metallic deflecting on the outer ring of the bearing Due to this metal-metal contact results in a good heat dissipation and in particular a very high rigidity of the phaser in the region of the deflection wheel.
  • the planet gears 27 are also in engagement with a ring gear 31 which is formed by the housing 7 and the projection 8.
  • the housing 7 is provided on the inside with a toothing, in which the planet gears 27 engage.
  • the sun gear 29 has on its outer side a circumferential collar 55, with which it engages over the edge of the opening 30 of the lid 9 on the inside. As a result, the sun gear 29 is housed axially secured in the housing 7 with the lid 9 attached.
  • the cover 9 is provided on its outer side at a distance from the Clarradwelle 29 a with a circumferential ridge 32 which encloses a receiving space 33 for a ring seal 34. It lies with a sealing lip 35 sealing on the outside of the sun gear 29a and seals in this way the central opening 30 in the lid 9 from.
  • the sun gear 29 is provided within the housing 7 with an inner circumferential recess 36 into which a bearing 37, preferably a needle bearing, is inserted.
  • the sun gear shaft 29a is provided on the outside with a profiling 38 serving as positive locking, by means of which a rotationally fixed connection to a coupling element 39 (FIG. Fig. 4 and 6 ) of an actuator 40 is manufactured. It is arranged torque-supported in the vehicle, preferably free of lateral forces.
  • the actuator 40 has a motor 41 with which a worm shaft 42 is rotatably driven. It is in engagement with a worm wheel 43 which is non-rotatably mounted on the coupling element 39.
  • the motor 41 may be, for example, a brushless DC motor or a stepping motor.
  • the worm wheel 43 and the sleeve-shaped coupling element 39 are housed in a housing 44. It is connected to a housing 45 of the motor 41.
  • the two housings 44, 45 each consist of two parts.
  • the parts of the housing 44, 45 are each advantageously formed integrally with each other. As a result, a simple assembly of the actuator 40 is ensured. It only needs the two housing parts are joined together, for example, welded or glued together. It is also possible that the housing 44, 45 of the motor 41 and the reduction gear 42, 43 and the ring gear 7, 8, 31 are integrally formed with each other.
  • the coupling element 39 is sleeve-shaped and has on its inside a profiling 38 of the sun gear 29a corresponding profiling 46. It extends only over part of the axial length on the inside of the coupling element 39.
  • the opposite approach 48 is open at the front.
  • the free end face of the coupling element 39 and the free end face of the projection 48 are advantageously in a common plane.
  • the phaser actuator 40 During assembly of the phaser actuator 40 is placed with the coupling element 30 on the sun gear 29a.
  • the profiling 38, 46 of the sun gear 29a and the coupling element 39 engage each other. In this way, a positive connection between the coupling element 39 and thus between the worm wheel 43 and the sun gear 29a and the sun gear 29 is produced in the direction of rotation.
  • the profiles 38, 46 extend axially and are formed by at least in the circumferential direction one behind the other narrow webs.
  • the motor shaft 42 is in a plane perpendicular to the camshaft 1 and to the axis of the screw 23. If the reduction gear, as in the preferred embodiment, a worm gear, then the motor shaft 42 is in a plane which is about the pitch angle of the worm gear is arranged rotated from the perpendicular to the camshaft 1 and the axis of the screw 23.
  • the output then takes place via the planet 17rd
  • the crankshaft 2 drives the camshaft 1 via the chain 3. Since the chain 3 is guided over the sprocket 10 and this rotatably connected to the ring gear 7, 8, 31, this rotates about its axis. Since the planet gears 27 are in engagement with the internal teeth of the ring gear, they roll on the sun gear 29, which thus does not rotate about its axis. If the opening and closing times of the valves of the internal combustion engine are to be adjusted, the actuator 40 is actuated. About the reduction gear 42, 43, the coupling element 39 and thus the sun gear 29 is rotated about its axis.
  • the connecting element 19 is formed by a portion of the camshaft 1 itself. Then, the flange 20 sits directly on the camshaft 1.
  • the camshaft 1 is not made as a cast component, but consists of a preferably centerless ground pipe on which the cams are attached. At the operation of the adjusting device and in particular the phaser nothing changes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)

Claims (17)

  1. Dispositif de réglage pour des arbres à cames (1) de moteurs à combustion interne de véhicules tels que véhicules à moteur, embarcations, bateaux ou similaires, avec un actionneur (40) permettant de commander un régulateur de phase essentiellement conçu comme un engrenage planétaire (18) de préférence plat, lequel comporte une roue solaire (29), des roues planétaires (27) engrenant avec celle-ci et une roue creuse (7, 8, 31), dans la denture intérieur de laquelle s'engagent les roues planétaires (27), dans lequel la roue solaire (29) de l'engrenage planétaire (18) entoure un élément de liaison (19) permettant de relier le régulateur de phase à l'arbre à cames (1), dans lequel l'actionneur (40) est raccordé au régulateur de phase à l'aide d'au moins un élément d'accouplement (39) relié à un moteur (41) de l'actionneur (40) par le biais d'un réducteur de vitesse (42, 43), et dans lequel l'élément d'accouplement (35) est accouplé à un arbre de roue solaire (29a) de la roue solaire (29) faisant saillie hors de l'engrenage planétaire (18), dans lequel la roue creuse (7, 8, 31) fait partie d'un boîtier (7) dans lequel sont logées les roues planétaires (27) et la roue solaire (29) et hors duquel l'arbre de roue solaire (29a) fait saillie,
    caractérisé en ce que l'arbre de roue solaire (29a) faisant saillie hors du boîtier (7) est pourvu d'un profilage à complémentarité de forme (38), en ce que l'élément d'accouplement (39) présente un profilage à complémentarité de forme (46), en ce que les profilages à complémentarité de forme (38, 46) s'engagent l'un dans l'autre lors du montage de l'actionneur (40) sur l'arbre de roue solaire (29a) pour la liaison à accouplement de l'actionneur (40) avec le régulateur de phase, en ce que le réducteur de vitesse (42, 43) est un engrenage à vis sans fin, et en ce que l'arbre de moteur (42) se trouve dans un plan tourné vers l'arbre à cames (1) ou vers l'axe de l'élément de liaison (19) selon un angle d'inclinaison de la denture de vis sans fin par rapport à la verticale.
  2. Dispositif de réglage selon la revendication 1,
    caractérisé en ce que l'élément de liaison (19) fait partie de l'arbre à cames (1).
  3. Dispositif de réglage selon la revendication 1 ou 2,
    caractérisé en ce que l'élément de liaison (19) est formé par une partie au moins du support de roue planétaire de l'engrenage planétaire (18) et de préférence relié fonctionnellement à l'arbre à cames (1).
  4. Dispositif de réglage selon la revendication 3,
    caractérisé en ce que l'élément de liaison (19) est relié fonctionnellement à l'arbre à cames (1) par le biais d'une vis (23) ou à l'aide d'un joint serti, de préférence cylindrique.
  5. Dispositif de réglage selon l'une des revendications 1 à 4,
    caractérisé en ce que l'arbre de roue solaire (29a) est monté de façon rotative sur l'élément de liaison (19), et en ce que la roue solaire (29) à l'intérieur de l'engrenage planétaire (18) entoure le support de roue planétaire (17), lequel s'étend de préférence aussi loin dans la direction vers l'arbre de roue solaire (29a) qu'il est possible de prévoir une étanchéité de l'engrenage planétaire (18) vers l'extérieur entre l'arbre de roue solaire (29a) et le support de roue planétaire (17).
  6. Dispositif de réglage selon l'une des revendications 1 à 5,
    caractérisé en ce que le support de roue planétaire (17) est constitué de l'élément de liaison (19), consistant essentiellement en un tuyau prismatique, et d'un rebord (20) dans lequel sont fixés les axes (26) des roues planétaires (27).
  7. Dispositif de réglage selon l'une des revendications 1 à 6,
    caractérisé en ce que le profilage à complémentarité de forme (38) de l'arbre de roue solaire (29a) est prévu sur le côté extérieur de celui-ci.
  8. Dispositif de réglage selon l'une des revendications 1 à 7,
    caractérisé en ce que l'élément d'accouplement (39) est conçu en forme de douille.
  9. Dispositif de réglage selon l'une des revendications 1 à 8,
    caractérisé en ce que le profilage à complémentarité de forme (46) de l'élément d'accouplement (39) est prévu sur le côté intérieur de l'élément d'accouplement (39).
  10. Dispositif de réglage selon l'une des revendications 1 à 9,
    caractérisé en ce que la roue creuse (7, 8, 31) comporte un appendice (8) de diamètre inférieur, sur lequel est fixée une roue de déviation (10) pour un élément d'entraînement continu (3), lequel comporte avantageusement des dents (51) faisant saillie vers l'intérieur et engrenant dans des percées (50) de l'appendice (8) de la roue creuse (7, 8, 31).
  11. Dispositif de réglage selon la revendication 10,
    caractérisé en ce que les diamètres de la roue creuse (7, 8, 31) et de la roue de déviation (10) font approximativement la même taille, lequel est avantageusement agencé à mi-longueur de l'appendice (8) de la roue creuse (7, 8, 31).
  12. Dispositif de réglage selon la revendication 10 ou 11,
    caractérisé en ce que la roue creuse (7, 8, 31) est montée de façon rotative sur l'élément de liaison (19) à l'aide d'au moins un palier (13), de préférence un roulement.
  13. Dispositif de réglage selon l'une des revendications 10 à 12,
    caractérisé en ce que le palier (13) est agencé essentiellement dans le plan d'action de la roue de déviation (10), avantageusement dans l'appendice (8) de la roue creuse (7, 8, 31).
  14. Dispositif de réglage selon la revendication 12 ou 13,
    caractérisé en ce que les dents (51) de la roue de déviation (10) s'appliquent sur une bague extérieure (14) du palier (13).
  15. Dispositif de réglage selon l'une des revendications 12 à 14,
    caractérisé en ce que la roue de déviation (10) est reliée fonctionnellement et directement à la bague extérieure (14) du palier (13).
  16. Dispositif de réglage selon l'une des revendications 1 à 15,
    caractérisé en ce qu'au moins le moteur (41) et le réducteur de vitesse (42, 43), de préférence également la roue creuse (7, 8, 31), comportent un boîtier commun (44, 45).
  17. Dispositif de réglage selon l'une des revendications 1 à 16,
    caractérisé en ce que l'arbre à cames (1) tourne à demi-vitesse de la vitesse du vilebrequin lorsque la roue solaire (29) est à l'arrêt.
EP10700809.6A 2009-01-31 2010-01-15 Dispositif de réglage pour arbres à cames de moteurs à combustion interne de véhicules tels que véhicules à moteur, embarcations, bateaux ou similaires Active EP2396521B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009006957A DE102009006957A1 (de) 2009-01-31 2009-01-31 Verstelleinrichtung für Nockenwellen von Verbrennungsmotoren von Fahrzeugen, wie Kraftfahrzeuge, Boote, Schiffe oder dergleichen
PCT/EP2010/000190 WO2010086090A1 (fr) 2009-01-31 2010-01-15 Dispositif de réglage pour arbres à cames de moteurs à combustion interne de véhicules tels que véhicules à moteur, embarcations, bateaux ou similaires

Publications (2)

Publication Number Publication Date
EP2396521A1 EP2396521A1 (fr) 2011-12-21
EP2396521B1 true EP2396521B1 (fr) 2017-03-15

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ID=41818461

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EP10700809.6A Active EP2396521B1 (fr) 2009-01-31 2010-01-15 Dispositif de réglage pour arbres à cames de moteurs à combustion interne de véhicules tels que véhicules à moteur, embarcations, bateaux ou similaires

Country Status (3)

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EP (1) EP2396521B1 (fr)
DE (1) DE102009006957A1 (fr)
WO (1) WO2010086090A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017115882B4 (de) 2017-07-14 2023-11-09 Schaeffler Technologies AG & Co. KG Elektrischer Nockenwellenversteller zur variablen Einstellung der Ventilsteuerzeiten einer Brennkraftmaschine
CN109124023A (zh) * 2018-09-28 2019-01-04 济南大学 一种内外异向旋转的钢丝绳刷头

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4104872A1 (de) * 1991-02-18 1992-08-20 Wolfgang Schieck Verfahren zur drosselfreien laststeuerung fuer ottomotoren
DE29714816U1 (de) 1997-08-19 1997-10-23 Paul, Uwe, 97084 Würzburg Stufenlose Nockenwellenverstellung
JP3796931B2 (ja) * 1997-11-21 2006-07-12 マツダ株式会社 回転位相制御装置
DE10054796A1 (de) * 2000-11-04 2002-06-13 Ina Schaeffler Kg Vorrichtung zur Drehwinkelverstellung einer Welle gegenüber ihrem Antrieb
US6672264B2 (en) * 2001-10-12 2004-01-06 Hitachi Unisia Automotive, Ltd. Valve timing control device of internal combustion engine
WO2003056141A1 (fr) * 2001-12-26 2003-07-10 Nittan Valve Co., Ltd. Dispositif de reglage de distribution variable de type engrenage planetaire
JP4286780B2 (ja) * 2002-07-24 2009-07-01 シャフラー、コマンディット、ゲゼルシャフト 内燃機関の制御時間の変更のための装置
DE102004009128A1 (de) * 2004-02-25 2005-09-15 Ina-Schaeffler Kg Elektrischer Nockenwellenversteller

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Publication number Publication date
DE102009006957A1 (de) 2010-08-05
WO2010086090A1 (fr) 2010-08-05
EP2396521A1 (fr) 2011-12-21

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