WO2015067250A1 - Mécanisme de réglage d'arbre à cames - Google Patents

Mécanisme de réglage d'arbre à cames Download PDF

Info

Publication number
WO2015067250A1
WO2015067250A1 PCT/DE2014/200429 DE2014200429W WO2015067250A1 WO 2015067250 A1 WO2015067250 A1 WO 2015067250A1 DE 2014200429 W DE2014200429 W DE 2014200429W WO 2015067250 A1 WO2015067250 A1 WO 2015067250A1
Authority
WO
WIPO (PCT)
Prior art keywords
stator
rotor
spring
rotor core
camshaft adjuster
Prior art date
Application number
PCT/DE2014/200429
Other languages
German (de)
English (en)
Inventor
Ali Bayrakdar
Original Assignee
Schaeffler Technologies AG & 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 & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Publication of WO2015067250A1 publication Critical patent/WO2015067250A1/fr

Links

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
    • F01L1/3442—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 hydraulic chambers with variable volume to transmit the rotating force
    • 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
    • F01L1/3442—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 hydraulic chambers with variable volume to transmit the rotating force
    • F01L2001/3445—Details relating to the hydraulic means for changing the angular relationship
    • F01L2001/34483—Phaser return springs

Definitions

  • the invention relates to a camshaft adjuster, comprising a stator drivable by a crankshaft of an internal combustion engine, a rotatably connected to a camshaft of the internal combustion engine rotor, wherein the rotor has a rotor core and a plurality of the rotor core radially outwardly projecting wings, one between the stator and the rotor acting torsion spring having helical turns between a first spring end and a second spring, wherein the first spring end to the stator and the second spring end is connected to the rotor, and arranged on an end face of the rotor core rotor core ring, a spring space for the windings of the Torsion spring forms.
  • a generic camshaft adjuster is known for example from DE 10 2006 022 219 A1.
  • the camshaft adjuster has in its basic structure a drivable by a crankshaft stator and a rotatably connected to the camshaft rotor.
  • a chain drive or a belt drive can be formed between the stator and the crankshaft.
  • the rotor can be fixed, for example, positively and / or non-positively on the camshaft.
  • an annular space is generally provided between the stator and the rotor, which is divided into a plurality of working chambers by radially inwardly projecting stator webs connected to the stator in a rotationally fixed manner, each outwardly through a radially from the rotor core projecting wings are divided into two pressure chambers.
  • the camshaft adjuster is preferably a hydraulic camshaft adjuster. Depending on the loading of the pressure chambers with a pressure medium of the rotor relative to the stator and thus also the camshaft relative to the crankshaft in the direction of "early" or “late” adjusted. The camshaft adjuster thus serves to set a relative angular position of the camshaft to the crankshaft.
  • the pressure build-up of the pressure medium takes place usually via the crankshaft, which has the consequence that at low speeds, only a small flow of pressure medium is provided.
  • This low flow of pressure medium has the disadvantage that under unfavorable circumstances, an undesirable adjustment of the camshaft adjuster can occur, which can result in unfavorable consumption of the engine, in particular in the cold start phase, with unfavorable fuel consumption with a troubled run as a result.
  • a camshaft adjuster In order to ensure smooth running even with unfavorable operating behavior of the internal combustion engine, a camshaft adjuster is known from the cited prior art, which provides a helical torsion spring between the rotor and the stator.
  • the spiral torsion spring is a spring whose spiral turns extend from a first spring end of decreasing radius in a substantially inward plane to a second spring end.
  • the turns of the torsion spring are introduced into a spring chamber of the rotor core.
  • the spring chamber is bounded by a circumferential rotor core edge in the radial direction.
  • the rotor core edge has a rotor groove in the area of one of the wings, which preferably protrudes into the wing.
  • the torsion spring is inserted with a radially outer end of the spring in the rotor groove to interact positively with the rotor.
  • the radially inner spring end of the torsion spring is connected to a mounting on an inner side of a front-side stator cover in order to cooperate with the stator.
  • the object of the invention is to provide a camshaft adjuster with a helical torsion spring which is particularly easy and safe to assemble.
  • a camshaft adjuster comprising a drivable by a crankshaft of an internal combustion engine stator, a rotatably connected to a camshaft of the internal combustion engine rotor, wherein the rotor has a rotor core and a plurality of the rotor core radially outwardly projecting wings, one between the torsion spring acting on the stator and the rotor having helical windings between a first spring end and a second spring, the first spring end being connected to the stator and the second spring end being connected to the rotor, and a rotor core ring arranged at an end face of the rotor core Forming spring space for the turns of the torsion spring, wherein the rotor core ring in the radial direction has an annular opening through which the first spring end leads to be connected to the stator.
  • the proposed solution makes it possible to mount the torsion spring before the stator and / or the rotor are covered by a cover on the front side.
  • the rotor core to one of its end faces on a rotor core ring, which forms a spring chamber for the turns of the torsion spring.
  • the rotor core may, for example, have a hollow cylindrical shape, one end face of which is closed and a remaining end face is open. Through the open end, the turns of the torsion spring can be introduced into the spring chamber. Preferably, the turns are completely inserted into the spring chamber.
  • the rotor core ring has a ring opening in the radial direction.
  • the rotor core ring is thus not completely closed on the shell side, but provided with the ring opening.
  • the ring opening is meant any opening or recess in the radial direction of the rotor core ring through which the first spring end can be guided or stretched to secure the first spring end to the stator.
  • a preferred embodiment of the camshaft adjuster is characterized in that a receptacle of the rotor core protrudes axially into the spring chamber, wherein the second spring end is fastened on the outside of the receptacle.
  • the second spring end is fixed radially on the outside of the receptacle.
  • the receptacle may be, for example, a pin-shaped projection which extends from an inside end face of the spring chamber.
  • the receptacle is arranged coaxially with the spring chamber.
  • the entire torsion spring can be arranged in a plane.
  • the torsion spring from the first spring end, which is connected to the receptacle with increasing radius in a plane from the inside to the outside through the ring opening to the second spring end, which is connected to the stator.
  • the torsion spring therefore acts between the stator and the rotor in such a way that a torque is exerted on the stator or on the rotor about the respective longitudinal axis.
  • Transverse forces are at least substantially not caused by the torsion spring, since the torsion spring extends in the aforementioned plane. After mounting the torsion spring therefore there is no risk that it slips out before the stator is closed at the front.
  • a further preferred embodiment of the camshaft adjuster is characterized in that the torsion spring is arranged in a plane with the stator and / or rotor. This embodiment further ensures that the torsion spring between the stator and the rotor acts in such a way that only a torque about the respective stator and the rotor Longitudinal axis is exercised. Transverse forces can be largely excluded by an arrangement in a common plane.
  • a further preferred embodiment of the camshaft adjuster is characterized in that the receptacle radially outwardly has a receiving groove into which the second spring end is inserted.
  • the receptacle on its outer shell side having the receiving groove.
  • the receiving groove facilitates the assembly of the torsion spring by the second spring end can be inserted into the receiving groove to make the connection to the rotor.
  • a further preferred embodiment of the camshaft adjuster is characterized in that the stator has radially inside a Statornut, in which the first spring end is inserted. Due to the ring opening of the rotor core ring, the first spring end is led out of the spring space of the rotor core ring.
  • the stator has a stator groove on the radially inner side or on an inner circumferential surface.
  • the stator groove may have the form of any and / or suitable groove.
  • the first spring end is inserted into the stator groove, so that the torsion spring connects to the stator. If the stator is designed as a bore, the stator also prevents lateral slippage of the first spring end.
  • a further preferred embodiment of the camshaft adjuster is characterized in that between the stator and the rotor is an annular space, which is divided by a rotatably connected to the stator, radially inwardly projecting Statorstege in a plurality of working chambers, each of one of the wings in two pressure chambers are divided, wherein one of the Statorste- ge has the stator.
  • the subdivision of the annular space through the stator webs is known from the prior art. By at least one of the stator bars having a stator, this Statorsteg is now assigned a dual function. On the one hand, the stator web still serves the subdivision of the annulus.
  • stator web serves for fastening the first spring end of the torsion spring. Since the Statorsteg protrudes into the annulus to divide this, the distance to the rotor core is particularly low. Thus, the torsion spring does not have to bridge a large distance between the ring opening and the stator slot. A negative effect of the torsion spring on a pressure medium in the working chambers is therefore particularly low or can even be almost completely excluded. In addition, this design ensures a very compact design.
  • a further preferred refinement of the camshaft adjuster is characterized in that the rotor core ring has a rotor ring sealing surface adjoining the ring opening radially on the outside, and in that the stator has a stator sealing surface radially on the inside, adjacent to the stator groove, the rotor sealing surface and the stator sealing surface abutting one another.
  • a further preferred embodiment of the camshaft adjuster is characterized in that a seal is introduced between the rotor sealing surface and the stator sealing surface.
  • the seal is for example advantageous if very high pressures prevail in the working chambers. In this case, the seal allows a better separation of the working chambers of the spring chamber.
  • camshaft adjuster is characterized in that the ring opening is arranged between two adjacent wings.
  • the vanes serve to divide the working chambers into pressure chambers. From the perspective of the stator so the Statorstege protrude between the wings.
  • the first spring end in the region leads out of the rotor shaft.
  • core ring to which the Statorsteg points, which projects between the same, adjacent wings.
  • this stator also has the Statornut to make the connection to the first spring end of the torsion spring.
  • a further preferred embodiment of the camshaft adjuster is characterized in that the rotor core ring is designed in the circumferential direction C-shaped with two ring ends, wherein the ring opening is formed between the ring ends.
  • Such a rotor core ring is particularly easy to manufacture.
  • this rotor core ring facilitates the assembly of the torsion spring, since the first spring end can be inserted from an end face of the rotor axially into the ring opening.
  • a further preferred embodiment of the camshaft adjuster is characterized in that the annular opening in the circumferential direction of the ring has an opening angle between 2 and 70 degrees, preferably between 5 and 50 degrees. Such an opening angle allows a change of a relative angular position about a respective longitudinal axis of the rotor to the stator. Thus, the relative angular position between the crankshaft and the camshaft can be adjusted accordingly far.
  • a further preferred embodiment of the camshaft adjuster is characterized in that the stator web having the stator slot is formed over an angle which is greater than the opening angle. This configuration allows the ring opening to be sealed to the stator web and / or undesirable effects of the torsion spring on the working chambers or their working media is particularly low.
  • Fig. 1 is a side view of the camshaft adjuster according to the invention
  • FIG. 2 shows a sectional view of the camshaft adjuster according to the invention along a section in the transverse direction
  • FIG. 3 is a sectional view of the camshaft adjuster according to the invention taken along a section in a longitudinal direction;
  • FIG. 4 is a sectional view of the camshaft adjuster according to the invention along a further section in a longitudinal direction.
  • FIGS. 1 and 2 each show a camshaft adjuster 2 in the manner of a vane-type adjuster for a camshaft adjusting device.
  • the camshaft adjuster 2 has, in a known design, a stator 4 that can be driven by a crankshaft or another drive shaft and a rotor 6 which is rotatably mounted with respect to the stator 4.
  • the stator 4 has in the present embodiment, three radially inwardly projecting Statorstege 36, which divide an annular space 34 between the stator 4 and the rotor 6 in three working chambers 38.
  • the working chambers 38 in turn are divided by three radially projecting from a rotor core 8 of the rotor 6 outwardly wing 10 in two pressure chambers 40 different effective direction.
  • pressure medium such as hydraulic oil, is introduced into the working chambers 38 of the same effective direction via a pressure medium control system, while the pressure medium from the pressure chambers 40 is returned to the other effective direction in a pressure medium reservoir.
  • the volume of the pressure chambers 40 of the first effective direction is increased and the volume of the pressure chambers 40 of the respective other effective direction is reduced, so that the rotor 6 is rotated either clockwise or counterclockwise relative to the stator 4.
  • Due to the preferred pressure medium of the camshaft adjuster 2 is also referred to as a hydraulic camshaft adjuster.
  • stator 4 is bolted to a front side 20 with a stator-fixed locking cover 42 which closes the working chambers 38 and the pressure chambers 40 laterally.
  • a locking groove 44 is further provided in the form of a circular recess which is arranged such that it is arranged after screwing the locking cover 42 to the stator 4 centrally between two stator webs 36 of the stator 4 is.
  • a locking pin 46 is further provided, which is spring-loaded in each case by means of a spring in the direction of the locking cover 42.
  • the locking pin 46 is arranged on the rotor 6 so that it comes to rest in a middle position of the rotor 6 centrally between the stator webs 36 just above the locking groove 44 of the locking cover 42 and locked in this position due to the acting spring force in the locking groove 44.
  • the camshaft adjuster 2 has a helical torsion spring 12 between the rotor 6 and the stator 4.
  • the helical torsion spring 12 is a spring whose spiral turns 18 run from a first spring end 14 of decreasing radius in a substantially inward plane to a second spring end 16.
  • the turns 18 of the Torsionsfederl 2 are introduced into a spring chamber 24 of the rotor core 8.
  • the spring chamber 24 is thereby by a to an end face 20th the rotor core 8 arranged rotor core ring 22 surrounded.
  • the rotor core ring 22 in this way forms the spring chamber 24, which is designed to be open towards the end face 20.
  • the spring chamber 24 extends in the longitudinal direction L of the rotor core 8 only over a part or form only a portion of the rotor core eighth
  • the lateral surface of the rotor core ring 22 is not completely closed, but has an annular opening 26 in the radial direction R.
  • the first spring end 14 is guided to then be inserted into a radially inwardly arranged stator 32 of the stator 4.
  • the stator 32 can be configured open to a front side 20.
  • the rotor core ring 22 is preferably C-shaped in the circumferential direction with two ring ends 42, the ring opening 26 forming between the ring ends 42.
  • the first spring end 14 can be inserted simultaneously from the end face 20 into the ring opening 26 and into the stator 32.
  • the rotor core 8 has a receptacle 28.
  • the receptacle 28 projects axially centrally into the spring chamber 24, so that the second spring end 16 can be easily connected to the receptacle 28.
  • the receptacle 28 has a receiving groove 30 into which the second spring end 16 is inserted.
  • the receptacle 28 is designed to be open towards the front side 20 so that the torsion spring 12 can be inserted with the second spring end 16 and the windings 18 from the end face 20 into the rotor 6 and into the stator 4. With the insertion of the second spring end 16, the connection between the torsion spring 12 and the rotor 6 is produced.
  • the turns 18 of the torsion spring 12 are arranged between the receptacle 28 and the rotor core ring 22. As is apparent from FIGS. 1 to 4, the receptacle 28, the spring chamber 24 and the rotor core ring 22 are aligned coaxially with each other.
  • the torsion spring 12 and the first spring end 14 of the torsion spring 12 passes through the rotor core ring 22, it is possible that the torsion spring 12 is arranged in a plane with the stator 4 and the rotor 6.
  • the torsion spring 12 is fixed with its spring ends 14,16 in the aforementioned plane to the stator 4 and the rotor 6.
  • the receiving groove 30 of the receptacle 28 and the stator 32 of the stator 4 are arranged in the aforementioned plane. This allows a very compact design of the camshaft adjuster 2.
  • one of the stator webs 36 has the stator slot 32.
  • the stator webs 36 are radially inwardly in contact with and / or support the rotor core ring 22.
  • An arrangement of the ring opening 26 with respect to the one stator web 36 with the stator 32 ensures that the first spring end 14 of the ring opening 26 leads directly into the stator 32.
  • the first spring end 14 thus traverses neither one of the working chambers 38 nor one of the pressure chambers 40.
  • the torsion spring 12 thus has virtually no influence on a pressure medium in the working chambers 38.
  • the ring opening 26 is arranged between two adjacent blades 10.
  • the rotor 6 has three wings 10, wherein two of these wings 10 have an enlarged angular spacing from one another.
  • the stator bar 36 can protrude with the stator 32.
  • this stator bar 36 extends over an angle S which is significantly greater than an opening angle W of the ring opening 26.
  • a disturbing influence of the torsion spring 12 on the working chambers 38 is thus effectively prevented.
  • the rotor core ring 22 is radially outwardly in contact with the Statorstegen 36, there is a risk of leakage between one of the working chambers 38 and the spring chamber 24.
  • the rotor core ring 22 radially on the outside an adjacent to the annular opening 26 rotor ring sealing surface.
  • This preferably has a radially inner side adjacent to the Statornut 32 Statordicht Chemistry.
  • a seal may be provided between the rotor sealing surface and the stator sealing surface, so that the spring chamber 24 is pneumatically decoupled from the working chambers 38.

Landscapes

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

Abstract

L'invention concerne un mécanisme (2) de réglage d'arbre à cames comprenant un stator (4) qui peut être entraîné par un vilebrequin d'un moteur à combustion interne, un rotor (6) qui peut être relié solidairement en rotation à un arbre à cames du moteur à combustion interne, le rotor (6) présentant un noyau de rotor (8) et plusieurs ailettes (10) qui font saillie radialement vers l'extérieur sur le noyau de rotor (8), un ressort de torsion (12) agissant entre le stator (4) et le rotor (6), qui présente des spires (18) en forme de spirale entre une première extrémité (14) du ressort et une seconde extrémité (16) du ressort, la première extrémité (14) du ressort étant reliée au stator (4) et la seconde extrémité (16) du ressort étant reliée au rotor (6), et une bague de noyau de rotor (22) qui est disposée au droit d'un côté frontal (20) du noyau de rotor (8) et qui forme une chambre de ressort (24) pour les spires (18) du ressort de torsion (12), la bague de noyau de rotor (22) présentant dans la direction radiale (R) une ouverture de bague (26) à travers laquelle la première extrémité (14) du ressort passe pour être reliée au stator (4).
PCT/DE2014/200429 2013-11-11 2014-08-28 Mécanisme de réglage d'arbre à cames WO2015067250A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013222826.0 2013-11-11
DE201310222826 DE102013222826A1 (de) 2013-11-11 2013-11-11 Nockenwellenversteller

Publications (1)

Publication Number Publication Date
WO2015067250A1 true WO2015067250A1 (fr) 2015-05-14

Family

ID=51609877

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2014/200429 WO2015067250A1 (fr) 2013-11-11 2014-08-28 Mécanisme de réglage d'arbre à cames

Country Status (2)

Country Link
DE (1) DE102013222826A1 (fr)
WO (1) WO2015067250A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110686034A (zh) * 2019-10-11 2020-01-14 北京邮电大学 一种具有双向扭转弹簧的旋转式电磁阻尼器

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106737158A (zh) * 2016-12-23 2017-05-31 泉州智信专利技术开发有限公司 一种具有消震作用的磨头及磨光机
JP6779423B2 (ja) * 2018-09-05 2020-11-04 三菱電機株式会社 バルブタイミング調整装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2437305A (en) * 2006-04-19 2007-10-24 Mechadyne Plc Camshaft phaser which can be locked in the middle of the travel range
DE102006022219A1 (de) 2006-05-11 2007-11-22 Hydraulik-Ring Gmbh Leckagedichter Nockenwellenversteller mit Rückstellfeder
EP1905965A2 (fr) * 2006-09-29 2008-04-02 Delphi Technologies, Inc. Arbre de ressort de rappel de déphaseur d'arbre à cames
US20090020085A1 (en) * 2007-07-19 2009-01-22 Denso Corporation Valve timing adjuster
JP2009191657A (ja) * 2008-02-12 2009-08-27 Denso Corp バルブタイミング調整装置
US20120318220A1 (en) * 2011-06-20 2012-12-20 GM Global Technology Operations LLC Cam phaser locking systems

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010063706A1 (de) * 2010-12-21 2012-06-21 Schaeffler Technologies Gmbh & Co. Kg Nockenwellenversteller mit Rückstellfeder
DE102011089048A1 (de) * 2011-12-19 2013-06-20 Schaeffler Technologies AG & Co. KG Federdeckelmontage radial klemmend auf Schraubenenden

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2437305A (en) * 2006-04-19 2007-10-24 Mechadyne Plc Camshaft phaser which can be locked in the middle of the travel range
DE102006022219A1 (de) 2006-05-11 2007-11-22 Hydraulik-Ring Gmbh Leckagedichter Nockenwellenversteller mit Rückstellfeder
EP1905965A2 (fr) * 2006-09-29 2008-04-02 Delphi Technologies, Inc. Arbre de ressort de rappel de déphaseur d'arbre à cames
US20090020085A1 (en) * 2007-07-19 2009-01-22 Denso Corporation Valve timing adjuster
JP2009191657A (ja) * 2008-02-12 2009-08-27 Denso Corp バルブタイミング調整装置
US20120318220A1 (en) * 2011-06-20 2012-12-20 GM Global Technology Operations LLC Cam phaser locking systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110686034A (zh) * 2019-10-11 2020-01-14 北京邮电大学 一种具有双向扭转弹簧的旋转式电磁阻尼器

Also Published As

Publication number Publication date
DE102013222826A1 (de) 2015-05-13

Similar Documents

Publication Publication Date Title
EP2910745B1 (fr) Soupape hydraulique pour un moteur oscillant d'un arbre à came
EP1752691B1 (fr) Vanne de commande et son procédé de fabrication
DE102004036096A1 (de) Steuerventil für eine Vorrichtung zur Veränderung der Steuerzeiten einer Brennkraftmaschine
DE19849959A1 (de) Ventilzeitsteuervorrichtung
DE102009039993A1 (de) Antriebsanordnung für ein stufenlos verstellbares Getriebe eines Kraftfahrzeuges
WO2012104242A1 (fr) Dispositif destiné à modifier la position angulaire relative d' un arbre à cames par rapport au vilebrequin d'un moteur à combustion interne
WO2014005739A1 (fr) Dispositif hydraulique de réglage d'arbre à cames, comportant un verrouillage central et un jeu de verrouillage réglable
DE10253496B4 (de) Verfahren zum Betreiben eines hydraulischen Nockenwellenversteller s
WO2011134751A1 (fr) Système de réglage d'arbre à cames pour moteur à combustion interne
DE112016000836T5 (de) Nockenwellenphasenversteller
DE10143862A1 (de) Vorrichtung zum Verändern der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine, insbesondere Rotationskolben-Verstelleinrichtung zur Drehwinkelverstellung einer Nockenwelle gegenüber einer Kurbelwelle
WO2015067250A1 (fr) Mécanisme de réglage d'arbre à cames
DE60220099T2 (de) Radialkolbenhydraulikmotor
EP1623747B1 (fr) Filtre annulaire pour des rainures annulaire
WO2015106895A1 (fr) Axe de satellite à bride vissable
DE102015224011A1 (de) Verstellbare Nockenwelle
DE102012203383B3 (de) Filteranordnung eines Steuerventils für einen Nockenwellenversteller
EP3077656B1 (fr) Pompe à carburant
DE10058707C2 (de) Vorrichtung zur relativen Drehwinkelverstellung einer Nockenwelle einer Brennkraftmaschine zu einem Antriebsrad
DE102014219990B4 (de) Nockenwellenversteller
DE102014206479B4 (de) Nockenwellenversteller
DE102017114202B3 (de) Nockenwellenversteller mit einem Stator und einem Rotor mit zu diesem konzentrischer Federaufnahme
DE102010013928A1 (de) Rotoreinheit für einen Nockenwellenversteller sowie Nockenwellenverstellsystem
DE102016207177B3 (de) Nockenwellenversteller mit einer axial gewickelten Drehfeder und einem umgeformten, federführenden und druckmitteldichten Blechfederdeckel
DE4428410A1 (de) Kompakte Regeleinheit für ein Hydrauliksystem

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: 14772057

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 14772057

Country of ref document: EP

Kind code of ref document: A1