EP2539553A1 - Nockenwellenverstellvorrichtung - Google Patents
NockenwellenverstellvorrichtungInfo
- Publication number
- EP2539553A1 EP2539553A1 EP11701504A EP11701504A EP2539553A1 EP 2539553 A1 EP2539553 A1 EP 2539553A1 EP 11701504 A EP11701504 A EP 11701504A EP 11701504 A EP11701504 A EP 11701504A EP 2539553 A1 EP2539553 A1 EP 2539553A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- adjusting device
- actuator
- camshaft adjusting
- camshaft
- axis
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 210000003811 finger Anatomy 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- RDYMFSUJUZBWLH-UHFFFAOYSA-N endosulfan Chemical compound C12COS(=O)OCC2C2(Cl)C(Cl)=C(Cl)C1(Cl)C2(Cl)Cl RDYMFSUJUZBWLH-UHFFFAOYSA-N 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
- F01L2001/34423—Details relating to the hydraulic feeding circuit
- F01L2001/34426—Oil control valves
-
- 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
- F01L2001/34423—Details relating to the hydraulic feeding circuit
- F01L2001/34426—Oil control valves
- F01L2001/3443—Solenoid driven oil control valves
-
- 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
- F01L2001/34423—Details relating to the hydraulic feeding circuit
- F01L2001/34426—Oil control valves
- F01L2001/34433—Location oil control valves
-
- 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
- F01L2303/00—Manufacturing of components used in valve arrangements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/70—Interfitted members
- Y10T403/7005—Lugged member, rotary engagement
- Y10T403/7007—Bayonet joint
Definitions
- the invention relates to a camshaft adjusting device for changing the relative angular position of a camshaft relative to a crankshaft of an internal combustion engine, wherein the camshaft adjusting device comprises an actuator for actuating a hydraulic valve, wherein the actuator is fastened by means of a fastening means to a housing member and wherein the actuator has an axis which is in the mounted state of the actuator concentric with an axis of the camshaft adjusting device.
- Camshaft adjusters of this type are used to change the relative angular position of the camshaft relative to the crankshaft of an internal combustion engine.
- the adjusting device comprises a driven by the crankshaft via a gear drive element which is rotatably mounted relative to the camshaft, wherein between the drive element and the camshaft at least two hydraulic chambers are formed, which are acted upon by a pressurized fluid to a defined relative rotational position between the drive element and adjust the camshaft.
- the control of the pressurized fluid takes place with hydraulic valves.
- an actuator in the form of a central magnet is mounted via a flange, separate from the associated hydraulics, in a stationary structure of the motor (housing element, eg the chain case cover) coaxial with the camshaft.
- a plug is used to conduct electricity to a coil in the electromagnet.
- the induced magnetic field is over a Soft iron circle, which consists of yoke, yoke plate, magnet housing and pole core, transferred to a movably mounted magnet armature. It exerts a magnetic force on the armature in the direction of gap reduction via a working air gap between the pole core and the armature. This magnetic force is transmitted via a pressure pin on a piston of the central valve. Due to the displacement of the piston, the volumetric flows of the pressure fluid to the camshaft adjuster are changed.
- a screwless attachment of the actuator to the housing element is also known.
- a bayonet connection can be used to set the actuator on the housing element.
- the actuator which is to be mounted concentrically to the axis of the camshaft adjuster, mounted by a rotary movement, after it is inserted into a corresponding grip portion of the bayonet connection.
- the present invention is therefore based on the object, a cam shaft adjustment device of the type mentioned in such a way that the mentioned disadvantage can be avoided. Accordingly, an embodiment proposed, by which the assembly of the actuator on the camshaft adjuster can be simplified, that can be done easily.
- the object of this invention is characterized in that the actuator has on its outer side facing away from the camshaft adjusting device a grip section with a shape which is not rotationally symmetrical with respect to the axis.
- the fastening means is preferably designed as a screw-free fastener; In particular, this is intended to a bayonet lock as a fastener.
- the grip portion may have a polygonal contour. This polygonal contour is preferably arranged around the axis.
- the grip portion is particularly preferably provided with a four-, five-, six-, seven- or octagonal contour.
- the handle portion may alternatively have a wing-like structure with two grip portions.
- the handle portion may comprise a pair of pommel with two grip portions.
- the outside of the actuator together with the handle portion is preferably formed by an injection-molded housing element.
- an electrical connector can be integrated.
- the proposed solution makes it much easier for a fitter to attach the actuator to the phaser housing.
- manually applied torque can be generated much easier by the proposed handle section.
- the mentioned grip Section on the outside of the actuator in the form of a polygonal contour can also be designed alternatively as a wing or as a knob pair.
- the decisive factor is the ability to apply a pair of forces on the palm, the fingers and the thumb on the outside of the actuator.
- FIG. 1 is a perspective view of the end portion of a camshaft adjuster, in which an actuator for actuating a hydraulic valve is mounted,
- FIG. 2 shows the actuator in radial section,
- FIG. 3 shows the actuator in a perspective view, seen from a first direction
- FIG. 4 shows the actuator in a perspective view, seen from a second direction
- Fig. 5 shows the actuator in the front view
- Fig. 6 shows the actuator in rear view
- Fig. 7 shows the actuator in the side view.
- a camshaft adjusting device 1 is outlined, of which only a part can be seen, namely the one axial end portion.
- an actuator 2 is arranged, which serves to adjust a hydraulic valve.
- the camshaft adjusting device 1 is thus designed according to the design with central magnet and central valve for the adjustment, as described in DE 102 52 431 A1 of the applicant; This document is expressly referred to.
- the actuator 2 is fixed to a housing element 4 of the camshaft adjusting device 1.
- a magnet is mounted via a flange 10, separate from the associated hydraulics, in a fixed structure of the engine (eg, in the chainbox cover) coaxial with the camshaft.
- a fixed structure of the engine eg, in the chainbox cover
- an electrical connector 9 1 1 current is introduced into a coil.
- the magnetic field induced in this case is transmitted via a soft iron circle, which consists of yoke 12, yoke plate 13, magnet housing 14 and pole core 15, to the magnetically mounted armature 16.
- the magnetic field exerts a magnetic force on the magnet armature 16 in the direction of the gap reduction via a working air gap between the pole core 15 and the magnet armature 16.
- This magnetic force is transmitted via a pressure pin 17 to the piston of a (not shown) hydraulic central valve.
- the displacement of the piston changes the hydraulic volume flows in the camshaft adjuster and thus rotates the camshaft relative to the crankshaft in a known manner.
- the fastening of the actuator 2 to the housing element 4 of the camshaft adjusting device 1 takes place here via a bayonet closure ("tank cover closure"), ie the fastening means 3, with which the actuator 2 is fastened to the housing element 4, is designed as a screw-free connecting means
- cut-out regions 3 can be seen, which are designed to be placed in corresponding radially outwardly extending projections (not shown) on the housing element 4, by twisting the actuator 2 about the axis 5 (see Fig. 2) the bayonet closure closed and the actuator 2 so fixed to the housing element 4.
- the fitter can easily apply the torque required for this purpose manually to the actuator 2 during the process of fixing the actuator 2 on the housing element 4, it is provided that the actuator 2 on its side facing away from the camshaft adjusting device 1 outside 6 a handle portion 7 with the axis. 5 not rotationally symmetrical shape, as can be seen in particular in Figures 3 and 5.
- the outer side 6 of the actuator 2 is not rotationally symmetrical (apart from the electrical connector 9, which, however, is not suitable anyway for applying a torque), but provided with a grippy contour.
- the handle portion 7 is provided with an octagonal contour, so that find the thumb and fingers of the hand of the fitter approach surfaces to rotate the actuator 2 during assembly about the axis 5, in which case the hand of the fitter a good Hand finds so that she can not slip.
- the actuator 2 is seen as a separate component in different views (in Fig. 3: the front in perspective; in Fig. 4: the back in perspective; in Fig. 5: the view in the axial direction 5 seen from the front, in Fig. 6: the view in the axial direction 5 seen from the rear, in Fig. 7: the side view).
- the formation of the handle portion 7 is particularly well recognized as an octagonal contour.
- a housing member 8 of the actuator 2 is designed as a completely overmolded component, in which the plug 9 or at least its approach is integrated.
- the handle portion 7 is formed accordingly with. LIST OF REFERENCE NUMBERS
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010008931A DE102010008931A1 (de) | 2010-02-23 | 2010-02-23 | Nockenwellenverstellvorrichtung |
| PCT/EP2011/050975 WO2011104057A1 (de) | 2010-02-23 | 2011-01-25 | Nockenwellenverstellvorrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2539553A1 true EP2539553A1 (de) | 2013-01-02 |
| EP2539553B1 EP2539553B1 (de) | 2017-04-19 |
Family
ID=43602745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP11701504.0A Not-in-force EP2539553B1 (de) | 2010-02-23 | 2011-01-25 | Nockenwellenverstellvorrichtung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8991343B2 (de) |
| EP (1) | EP2539553B1 (de) |
| CN (1) | CN102762823B (de) |
| DE (1) | DE102010008931A1 (de) |
| WO (1) | WO2011104057A1 (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012003648C5 (de) * | 2012-02-24 | 2014-12-04 | Thomas Magnete Gmbh | Elektromagnet mit Steck- Drehbefestigung |
| DE102013217519A1 (de) | 2013-09-03 | 2015-03-05 | Schaeffler Technologies Gmbh & Co. Kg | Nockenwellenversteller mit statorfestem Zentralmagnet |
| DE102013114625A1 (de) | 2013-12-20 | 2015-06-25 | Eto Magnetic Gmbh | Nockenwellenverstellvorrichtung, Verbrennungsmotor sowie Montageverfahren |
| DE102014207988B3 (de) * | 2014-04-29 | 2015-09-10 | Schaeffler Technologies AG & Co. KG | Elektromagnetische Stellvorrichtung |
| US9708940B2 (en) * | 2014-07-31 | 2017-07-18 | Delphi Technologies, Inc. | Internal combustion engine with a camshaft phaser |
| US10851907B2 (en) | 2015-11-09 | 2020-12-01 | Husco Automotive Holdings Llc | System and methods for an electromagnetic actuator |
| EP3220398A1 (de) * | 2016-03-17 | 2017-09-20 | HUSCO Automotive Holdings LLC | Systeme und verfahren für elektromagnetischen aktuator |
| US10895178B2 (en) * | 2017-03-08 | 2021-01-19 | ECO Holding 1 GmbH | Actuator for cam phaser and cam phaser |
| DE102017104981B4 (de) | 2017-03-09 | 2021-01-28 | Schaeffler Technologies AG & Co. KG | Befestigungsmittel eines Aktuators einer Nockenwellenverstellvorrichtung |
| DE102017124287A1 (de) | 2017-10-18 | 2019-04-18 | Schaeffler Technologies AG & Co. KG | Elektromagnetische Stellvorrichtung |
| DE102018123180A1 (de) * | 2018-09-20 | 2020-03-26 | Schaeffler Technologies AG & Co. KG | Nockenwellenverstellsystem mit Flextopf zur Entkopplung der Verstellbereiche |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10117746B4 (de) * | 2000-04-28 | 2017-06-29 | Schaeffler Technologies AG & Co. KG | Drehmomentübertragungseinrichtung |
| DE10211467A1 (de) | 2002-03-15 | 2003-09-25 | Daimler Chrysler Ag | Nockenwellerversteller |
| DE10238840A1 (de) * | 2002-08-23 | 2004-03-04 | Thomas Magnete Gmbh | Magnetanordnung |
| DE10252431A1 (de) | 2002-11-12 | 2004-05-27 | Ina-Schaeffler Kg | Elektromagnetisches Hydraulikventil, insbesondere 3/2-Wegeschaltventil zur Steuerung eines variablen Ventiltriebes einer Brennkraftmaschine |
| DE102004035035B4 (de) * | 2003-07-24 | 2022-04-14 | Daimler Ag | Nockenwellenversteller für Brennkraftmaschinen |
| DE102006031517A1 (de) | 2006-07-07 | 2008-01-10 | Schaeffler Kg | Schalteinrichtung für eine druckölbetätigte Nockenwellenstellvorrichtung, sowie Montageverfahren zum Einbau derselben in eine Brennkraftmaschine |
| DE102007019923A1 (de) * | 2007-04-27 | 2008-10-30 | Schaeffler Kg | Nockenwellenverstellsystem |
| DE102007020525A1 (de) * | 2007-05-02 | 2008-11-06 | Schaeffler Kg | Nockenwellenversteller für eine Brennkraftmaschine mit integriertem Ventilschieber |
| DE102007061862A1 (de) | 2007-12-19 | 2009-06-25 | Thomas Magnete Gmbh | Schaltbare Magnetanordnung als Betätigungselement für ein Ventil oder andere Funktionselemente |
| DE102009020652B4 (de) * | 2009-05-08 | 2020-11-26 | Thomas Magnete Gmbh | Steueraktuatorvorrichtung |
| CH701508A2 (de) * | 2009-07-16 | 2011-01-31 | Schwanden Kunststoff | Gehäusewand für die Befestigung eines Gerätes an einer Maschine. |
| DE102010020959A1 (de) * | 2010-04-30 | 2011-11-03 | Continental Automotive Gmbh | Befestigungsvorrichtung zur Befestigung einer Baugruppe in einer Öffnung einer Wand eines Fahrzeugs |
-
2010
- 2010-02-23 DE DE102010008931A patent/DE102010008931A1/de not_active Withdrawn
-
2011
- 2011-01-25 US US13/579,966 patent/US8991343B2/en not_active Expired - Fee Related
- 2011-01-25 CN CN201180010734.2A patent/CN102762823B/zh not_active Expired - Fee Related
- 2011-01-25 WO PCT/EP2011/050975 patent/WO2011104057A1/de not_active Ceased
- 2011-01-25 EP EP11701504.0A patent/EP2539553B1/de not_active Not-in-force
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2011104057A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2539553B1 (de) | 2017-04-19 |
| US20120312262A1 (en) | 2012-12-13 |
| DE102010008931A1 (de) | 2011-08-25 |
| US8991343B2 (en) | 2015-03-31 |
| CN102762823B (zh) | 2016-01-20 |
| CN102762823A (zh) | 2012-10-31 |
| WO2011104057A1 (de) | 2011-09-01 |
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