EP1492943B1 - Vorrichtung zum verändern der steuerzeiten von gaswechselventilen einer brennkraftmaschine, insbesondere einrichtung zur hydraulischen drehwinkelverstellung einer nockenwelle gegenüber einer kurbelwelle - Google Patents
Vorrichtung zum verändern der steuerzeiten von gaswechselventilen einer brennkraftmaschine, insbesondere einrichtung zur hydraulischen drehwinkelverstellung einer nockenwelle gegenüber einer kurbelwelle Download PDFInfo
- Publication number
- EP1492943B1 EP1492943B1 EP03745762A EP03745762A EP1492943B1 EP 1492943 B1 EP1492943 B1 EP 1492943B1 EP 03745762 A EP03745762 A EP 03745762A EP 03745762 A EP03745762 A EP 03745762A EP 1492943 B1 EP1492943 B1 EP 1492943B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive unit
- housing
- internal combustion
- combustion engine
- output unit
- 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.)
- Expired - Lifetime
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Classifications
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- 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
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- 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
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- 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
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- 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
- F01L2810/00—Arrangements solving specific problems in relation with valve gears
- F01L2810/03—Reducing vibration
Definitions
- the invention relates to a device for changing the timing of Gas exchange valves of an internal combustion engine according to the preamble forming Features of claim 1, and it is particularly advantageous to a device to the hydraulic angle adjustment of a camshaft opposite a crankshaft feasible.
- From DE 100 07 200 A1 is a generic device for changing the timing of gas exchange valves of an internal combustion engine known the at the drive end of a cylinder head of the engine mounted camshaft and arranged as a function of different Operating parameters of the engine controllable hydraulic Actuator is formed.
- This device consists essentially of one in driving connection with the crankshaft and two axially Side covers limited drive unit and a rotatably with the Camshaft connected and used in the drive unit output unit, the alternately formed over at least two within the device or simultaneously acted upon by a hydraulic pressure medium Pressure chambers are in power transmission connection.
- the drive unit is in this device in concrete execution by a with an outer Tooth formed hollow cylindrical drive wheel formed in which through several radial partitions several hydraulic work spaces arise.
- an impeller provided with a plurality of radially from the Wheel hub is formed away extending wings, which occupy the work spaces the drive unit in each case two of said hydraulic pressure chambers divide.
- pressurizing these pressure chambers is thus under permanent compensation of external pressure medium leakage a relative rotation or a hydraulic clamping of the output unit relative to the drive unit the device and thus the camshaft relative to the crankshaft the internal combustion engine.
- this device for alignment their adjustment speeds in both adjustment directions and to achieve a preferred for the start of the internal combustion engine position of the output unit to the drive unit on a spring means, which as outside the Device in front of one of the side cover of the drive unit arranged coil spring trained and with one end to the drive unit and with the other end is attached to the output unit.
- the invention is therefore based on the object, a device for changing the timing of gas exchange valves of an internal combustion engine, in particular device for hydraulic rotational angle adjustment of a camshaft over a crankshaft, to design, in the absence of any adverse effects the function of the device and without alterations of the Installation space of the device with simple means one of the vibrations of the Internal combustion engine excited swinging of the coil spring in their resonance frequencies and thus avoided a vibration breakage of the coil spring becomes.
- the additional housing is preferably made of a cup-shaped Housing cover, incorporated in the bottom of a coaxial circuit breaker is and which forms the outer boundary walls of the annulus, as well from a sleeve-shaped housing hub, which in the circular opening in Housing cover is inserted and the inner boundary wall of the annulus forms.
- the two-part design of the additional housing has become doing particularly advantageous in terms of cost-effective production of Housing parts as punched drawing parts and with regard to the attachment of the ends the coil spring on the one hand on the drive unit and on the other hand on the output unit proved. It is also conceivable, however, a more than two-part training of the housing and its production in non-cutting or spannierender Production.
- the cup-shaped housing cover of the invention it is proposed that to form this with a peripheral wall, which is approximately the Outer diameter of the adjacent side cover of the drive unit corresponding Inner diameter and has an extended edge portion, with which the housing cover on the side cover of the drive unit can be locked.
- the peripheral wall is preferably perpendicular to the bottom of the housing cover Angled and has by the extended edge portion a height, over the width of the arranged in the annular space of the housing coil spring goes slightly beyond.
- the housing cover in a further embodiment of the invention has a circumferential Stage in its peripheral wall, the front side of the side cover of the Drive unit is applied and thus on the one hand an axial stop for the housing cover to avoid axial jamming of the housing arranged spiral spring forms and on the other hand, the housing cover to Side cover of the drive unit centered.
- the housing cover to Side cover of the drive unit centered.
- the necessary space for the locking lugs can either by a circumferential Grooving in the adjacent edge part of the lateral surface of the drive unit or by a slightly larger diameter than the drive unit trained side cover of the drive unit can be created.
- it is also possible in the edge part of the lateral surface To incorporate the drive unit only local recesses, in the same Distance as the locking lugs on the housing cover are arranged to each other and at least have their width, so that the housing cover in addition is also secured against rotation in the circumferential direction.
- the sleeve-shaped housing hub of the device according to the invention has a cylinder wall an approximately the inner diameter of the circular breakthrough in the housing cover corresponding outer diameter, which is used to lock the housing hub on the output unit on its front side with an inwardly directed Bending is formed.
- This will be on the housing hub formed annular base through which inserted into the housing hub Central screw can be passed, with the housing hub bolted together with the output unit of the device to the camshaft becomes.
- the housing hub is designed such that that with their other front side slightly out of the circle breakthrough protruding in the housing cover and this by an outwardly directed Bending of its edge part closes.
- the housing hub through their attachment to the output unit represents a camshaft-fixed component
- the device necessary components are used, for example by Connection to a pulser of a device for detection the camshaft position relative to the crankshaft position od.
- the cylinder wall partially as a hollow square is formed, on which the complementarily formed inner End of the coil spring is positively secured.
- the housing hub disposed within the annular space of the housing part of the cylinder wall the housing hub and means that the inner end of the coil spring is preferred is formed so that it is at least three sides of the Hohlvierkantes the Housing hub encloses and thus the coil spring by positive locking rotation on the housing hub and on this in turn to the output unit of the Locked device.
- the diameter of the hollow cylindrical part of the housing hub and the side length of the Hohlvierkantes the housing hub are here preferably formed identically and correspond approximately to the diameter of the Screw head of the central screw, with the housing hub and the output unit are bolted to the camshaft.
- the Possibility of the diameter of the housing hub and the side length of the Hohlvierkantes form with different dimensions or the housing hub to be provided with another polygonal hollow profile cross section at the inner end of the coil spring then for positive fastening is complementarily adapted on the housing hub.
- the housing hub over its entire length hollow cylindrical form and trained in this case without additional deformations inner end of the coil spring by a rivet or screw od.
- the outer end of the coil spring in a further embodiment of the Inventively designed device preferably bent hook-shaped trained and at an axially projecting suspension point on the Drive unit of the device positively secured.
- this suspension point for the outer end of the Spiral spring by an already arranged on the drive unit of the device Component, such as in Rotationskolbenverstellern by a extended fixing screw to form the side cover of the drive unit
- the spring attachment suspension points can be arranged on the drive unit.
- the outer end of the coil spring without additional deformations form and od by a rivet or screw.
- non-positively attached to the drive unit of the device Like. non-positively attached to the drive unit of the device.
- the pressure medium leaks are then in known manner again from the housing in the cylinder head of the engine derived, where it is alternatively possible, the feeder and / or the discharge of pressure medium leaks in and out of the housing to be realized via dedicated inflows and / or outflows.
- the inventively designed device for changing the timing of gas exchange valves of an internal combustion engine in particular device to the hydraulic angle adjustment of a camshaft opposite a crankshaft, thus facing those known from the prior art Devices have the advantage of being outside the device one of the side cover arranged on the drive unit coil spring Encapsulation by means of an additional housing, which with the already existing Pressure medium leaks of the device can be filled, not now more freely arranged but on all sides of the hydraulic pressure medium of the Device is enclosed and thus in their vibration of the internal combustion engine excited resonant vibrations hydraulic damped becomes.
- the vibration amplitudes are reliably kept so low that no voltage peaks in the spring coils more occur and avoided in any case a vibration fracture of the coil spring becomes.
- damping has proven to be durable and additionally has the advantage that the function of the device is not affected and that the additional housing no changes requires the existing space for the device.
- FIG. 1 and 2 is clearly a device 1 for changing the Control times of gas exchange valves of an internal combustion engine forth, the exemplified as a vane-adjusting device for hydraulic rotation angle adjustment a camshaft relative to a crankshaft and formed in Dependence of various operating parameters of the internal combustion engine controllable is.
- This device 1 is at the drive-side end of a cylinder head the internal combustion engine mounted, not shown in the drawings
- Camshaft attached attached and essentially consists of one with a also not shown crankshaft in drive connection standing drive unit 4 and from a non-rotatably connected to the camshaft output unit 5th
- the drive unit 4 by one of two side covers 2, 3 axially limited and formed with an external toothing Drive wheel is formed, in which by unspecified several Partitions several hydraulic work spaces arise.
- the output unit 5 of the device clearly visible by a in the drive unit 4 usable impeller formed, which with several radially extending from the wheel hub, also unspecified Wings is formed. These wings divide the working spaces in the Drive unit 4 in two oppositely acting hydraulic pressure chambers 6, 7, via which the drive unit 4 and the output unit 5 of the Device 1 by alternating or simultaneous pressurization with a hydraulic pressure medium together in power transmission connection stand.
- the pressurization of the pressure chambers 6, 7 thus causes a Relative rotation or hydraulic clamping of the output unit. 5 relative to the drive unit 4 or the camshaft with respect to the crankshaft, wherein between the drive unit 4 and the output unit 5 design-related Pressure medium leaks arise from the device. 1 be removed and constantly balanced.
- the device 1 for the adjustment of their adjustment speeds in both Verstellraumen and to reach one for the start of Internal combustion engine prefer position of the output unit 5 against on the camshaft alternating moments acting spring means, which in Figure 1 clearly visible as outside the device 1 in front of the side cover 2 of the drive unit 4 arranged and with one end 9 on the drive unit 4 and attached to the other end 10 of the output unit 5 Spiral spring 8 is formed.
- the cup-shaped housing cover 14 in this case has one in Figure 2 with the reference numeral 18 numbered peripheral wall at right angles to the bottom 15 is angled and approximately the outer diameter of the adjacent Side cover 2 of the drive unit 4 corresponding inner diameter having. Over an extended edge portion 19 of this peripheral wall 18 is the housing cover 14 can then be locked on the side cover 2 of the drive unit 4, by having a diameter-reduced circumferential step 20 in FIG its peripheral wall 18 centered on the side cover 2 and by several in the Edge portion 19 of the peripheral wall 18 evenly circumferentially distributed and the Side cover 2 engaging behind latching lugs 21 attached to this form-fitting becomes. The necessary space for the locking lugs 21 is thereby by a circumferential recess 31 in the adjacent edge part of the lateral surface the drive unit 4 created.
- the sleeve-shaped housing hub 17 has, as also shown in FIG. 2 shows a cylinder wall 22 with an approximately the inner diameter the circular aperture 16 in the housing cover 14 corresponding outer diameter on, for locking the housing hub 17 on the output unit 5 at its one end face 24 with an inwardly directed bend 23 is formed.
- the thus formed annular bottom is then passed through a central screw not shown in the drawings, with the housing hub 17 together with the output unit. 5 the device 1 is screwed to the camshaft.
- her other End face 26 protrudes the housing hub 17 while slightly from the circuit breaker 16 in the housing cover 14 out and closes this by one after outwardly directed, unspecified bend their edge section.
- FIGS. 1 and 2 show that the cylinder wall 22 of the housing hub 17 within the annular space 12 in the housing 11 as a hollow square 25 is formed, on which the complementarily formed inner End 10 of the coil spring 8 is positively secured.
- inner end 10 of the coil spring 8 shaped such that, as shown in Figure 1, on all four sides of the Hohlvierkantes 25 of the housing hub 17 abuts and thus the coil spring 8 locked by positive engagement rotationally fixed to the housing hub 17.
- the diameter of the hollow cylindrical part of the housing hub 17 and the side length of the Hohlvierkantes 25 of the housing hub 17 is formed identical and corresponding approximately to the diameter of the screw head of the central screw, with the housing hub 17 and the output unit 5 on the camshaft are bolted.
- the outer end 9 of the coil spring 8 is against how also shown in Figure 1, shown in a hook shape and on an axial protruding suspension point on the drive unit 4, which in the pictured Device 1 by an extended fastening screw 27 for the side cover 2, 3 is formed, positively secured.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
Description
- Figur 1
- eine Sprengdarstellung der erfindungsgemäß ausgebildeten Vorrichtung;
- Figur 2
- einen Längsschnitt durch eine erfindungsgemäß ausgebildete Vorrichtung;
- Figur 3
- eine vergrößerte Darstellung der Einzelheit X nach Figur 2.
- 1
- Vorrichtung
- 2
- Seitendeckel
- 3
- Seitendeckel
- 4
- Antriebseinheit
- 5
- Abtriebseinheit
- 6
- Druckkammer
- 7
- Druckkammer
- 8
- Spiralfeder
- 9
- das eine Ende
- 10
- das andere Ende
- 11
- Gehäuse
- 12
- Ringraum
- 13
- Federwindungen
- 14
- Gehäusedeckel
- 15
- Boden
- 16
- Kreisdurchbruch
- 17
- Gehäusenabe
- 18
- Umfangswand
- 19
- Randpartie
- 20
- Stufe
- 21
- Rastnasen
- 22
- Zylinderwand
- 23
- Abwinkelung
- 24
- die eine Stirnseite
- 25
- Hohlvierkant
- 26
- die andere Stirnseite
- 27
- Befestigungsschraube
- 28
- Durchbruch
- 29
- Ringspalt
- 30
- weiterer Ringspalt
- 31
- Einstieg
Claims (8)
- Vorrichtung zum Verändern der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine, insbesondere Einrichtung zur hydraulischen Drehwinkelverstellung einer Nockenwelle gegenüber einer Kurbelwelle, mit folgenden Merkmalen:die Vorrichtung (1) ist am antriebsseitigen Ende einer im Zylinderkopf der Brennkraftmaschine gelagerten Nockenwelle angeordnet und im Wesentlichen als in Abhängigkeit verschiedener Betriebsparameter der Brennkraftmaschine steuerbarer hydraulischer Stellantrieb ausgebildet,die Vorrichtung (1) besteht aus einer mit einer Kurbelwelle in Antriebsverbindung stehenden und axial von zwei Seitendeckeln (2, 3) begrenzten Antriebseinheit (4) sowie aus einer drehfest mit der Nockenwelle verbundenen und in die Antriebseinheit (4) eingesetzten Abtriebseinheit (5),die Antriebseinheit (4) der Vorrichtung (1) steht mit der Abtriebseinheit (5) der Vorrichtung (1) über mindestens zwei innerhalb der Vorrichtung (1) gebildete, wechselweise oder gleichzeitig mit einem hydraulischen Druckmittel beaufschlagbare Druckkammern (6, 7) in Kraftübertragungsverbindung,die Druckbeaufschlagung der Druckkammern (6, 7) erfolgt unter ständigem Ausgleich externer Druckmittelleckagen und bewirkt eine Relativverdrehung oder eine hydraulische Einspannung der Abtriebseinheit (5) gegenüber der Antriebseinheit (4) der Vorrichtung (1),zur Angleichung der Verstellgeschwindigkeiten der Vorrichtung (1) in beide Verstellrichtungen sowie zum Erreichen einer für den Start der Brennkraftmaschine bevorzugten Stellung der Abtriebseinheit (5) zur Antriebseinheit (4) weist die Vorrichtung (1) ein Federmittel auf,das Federmittel ist als außerhalb der Vorrichtung (1) vor einem der Seitendeckel (2 oder 3) der Antriebseinheit (4) angeordnete Spiralfeder (8) ausgebildet, die mit einem Ende (9) an der Antriebseinheit (4) sowie mit dem anderen Ende (10) an der Abtriebseinheit (5) befestigt ist,die außerhalb der Vorrichtung (1) angeordnete Spiralfeder (8) durch Verkapselung mittels eines zusätzlichen Gehäuses (11) in einem gemeinsam mit dem angrenzenden Seitendeckel (2) der Antriebseinheit (4) gebildeten, geschlossenen Ringraum (12) angeordnet ist,welcher im Zusammenwirken mit den im Betrieb der Brennkraftmaschine auftretenden Zentrifugalkräften vollständig mit den externen Druckmittelleckagen der Vorrichtung (1) befüllbar und aus dem das hydraulische Druckmittel als Leckage wieder abführbar ist,wobei bei vollständig befülltem Ringraum (12) das hydraulische Druckmittel zugleich als Dämpfungsmittel gegen die aus Vibrationen der Brennkraftmaschine resultierenden Resonanzfrequenzen der Federwindungen (13) der Spiralfeder (8) ausgebildet ist.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dassdas zusätzliche Gehäuse (11) bevorzugt aus einem tassenförmigen Gehäusedeckel (14) mit einem in dessen Boden (15) eingearbeiteten koaxialen Kreisdurchbruch (16) und aus einer in diesen Kreisdurchbruch (16) einsteckbaren hülsenförmigen Gehäusenabe (17) besteht.
- Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dassder tassenförmige Gehäusedeckel (14) bevorzugt eine Umfangswand (18) mit einem annähernd dem Außendurchmesser des benachbarten Seitendeckels (2) der Antriebseinheit (4) entsprechenden Innendurchmesser aufweist und über eine verlängerte Randpartie (19) der Umfangswand (18) an diesem Seitendeckel (2) arretierbar ist.
- Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dassder Gehäusedeckel (14) mit einer durchmesserverringerten umlaufenden Stufe (20) in seiner Umfangswand (18) am Seitendeckel (2) der Antriebseinheit (4) zentriert und durch mehrere in der Randpartie (19) der Umfangswand (18) gleichmäßig umfangsverteilte sowie den Seitendeckel (2) hintergreifende Rastnasen (21) an diesem formschlüssig befestigt ist.
- Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dassdie hülsenförmige Gehäusenabe (17) bevorzugt eine Zylinderwand (22) mit einem annähernd dem Innendurchmesser des Kreisdurchbruchs (16) im Gehäusedeckel (14) entsprechenden Außendurchmesser aufweist und mit einer radial nach innen gerichteten Abwinkelung (23) ihrer einen Stirnseite (24) an der Abtriebseinheit (5) arretierbar ist.
- Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dassdie Gehäusenabe (17) über ihre stirnseitige Abwinkelung (23) durch eine Zentralschraube zusammen mit der Abtriebseinheit (5) an der Nockenwelle verschraubt und deren Zylinderwand (22) teilweise als Hohlvierkant (25) ausgebildet ist, auf welchem das komplementär ausgebildete innere Ende (10) der Spiralfeder (8) formschlüssig befestigt ist.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dassdas äußere Ende (9) der Spiralfeder (8) bevorzugt hakenförmig abgebogen ausgebildet und an einem axial wegragenden Aufhängungspunkt an der Antriebseinheit (4), beispielsweise an einer verlängerten Befestigungsschraube (27) für die Seitendeckel (2, 3) der Antriebseinheit (4) od. dgl., formschlüssig befestigt ist.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dassdie externen Druckmittelleckagen der Vorrichtung (1) über Spaltdichtungen zwischen der Antriebseinheit (4) und der Abtriebseinheit (5) gezielt zu einem koaxialen Durchbruch (28) im zum Gehäuse (11) benachbarten Seitendeckel (2) der Antriebseinheit (4) abführbar sind,und durch einen Ringspalt (29) zwischen dem Durchbruch (28) und der Gehäusenabe (17) in den Ringraum (12) des Gehäuses (11) einleitbar sowie durch einen weiteren Ringspalt (30) zwischen dem Gehäusedeckel (14) und der Gehäusenabe (17) aus diesem wieder ableitbar sind.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10215879A DE10215879A1 (de) | 2002-04-11 | 2002-04-11 | Vorrichtung zum Verändern der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine, insbesondere Einrichtung zur hydraulischen Drehwinkelverstellung einer Nockenwelle gegenüber einer Kurbelwelle |
DE10215879 | 2002-04-11 | ||
PCT/EP2003/002330 WO2003085238A1 (de) | 2002-04-11 | 2003-03-07 | Vorrichtung zum verändern der steuerzeiten von gaswechselventilen einer brennkraftmaschine, insbesondere einrichtung zur hydraulischen drehwinkelverstellung einer nockenwelle gegenüber einer kurbelwelle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1492943A1 EP1492943A1 (de) | 2005-01-05 |
EP1492943B1 true EP1492943B1 (de) | 2005-08-31 |
Family
ID=28458699
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03745762A Expired - Lifetime EP1492943B1 (de) | 2002-04-11 | 2003-03-07 | Vorrichtung zum verändern der steuerzeiten von gaswechselventilen einer brennkraftmaschine, insbesondere einrichtung zur hydraulischen drehwinkelverstellung einer nockenwelle gegenüber einer kurbelwelle |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1492943B1 (de) |
KR (1) | KR100929519B1 (de) |
AU (1) | AU2003210432A1 (de) |
DE (2) | DE10215879A1 (de) |
WO (1) | WO2003085238A1 (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006002993A1 (de) * | 2006-01-21 | 2007-08-09 | Schaeffler Kg | Nockenwellenversteller für eine Brennkraftmaschine |
EP1833147B1 (de) * | 2006-03-06 | 2010-12-29 | Honda Motor Co., Ltd. | Elektromotor |
DE102006036052B4 (de) * | 2006-08-02 | 2018-03-08 | Schaeffler Technologies AG & Co. KG | Dichtblech für einen Nockenwellenversteller und Nockenwellenversteller mit einem Dichtblech |
DE102008048386B4 (de) * | 2008-09-22 | 2016-12-01 | Hilite Germany Gmbh | Flügelzellennockenwellenversteller |
DE102008051732A1 (de) * | 2008-10-15 | 2010-04-22 | Schaeffler Kg | Vorrichtung zur variablen Einstellung der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine |
DE102008056796A1 (de) * | 2008-11-11 | 2010-05-12 | Schaeffler Kg | Rotationskolbenversteller mit Drehfeder |
DE102009042228A1 (de) | 2009-09-18 | 2011-03-31 | Schaeffler Technologies Gmbh & Co. Kg | Vorrichtung zur Veränderung der relativen Winkellage einer Nockenwelle gegenüber einer Kurbelwelle einer Brennkraftmaschine |
DE102009054048A1 (de) | 2009-11-20 | 2011-05-26 | Schaeffler Technologies Gmbh & Co. Kg | Baugruppe und Verfahren zur Montage eines Rotationskolbenverstellers |
DE102010009394A1 (de) * | 2010-02-26 | 2011-09-01 | Schaeffler Technologies Gmbh & Co. Kg | Vorrichtung zur varibalen Einstellung der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine |
DE102012209137A1 (de) | 2012-05-31 | 2013-12-05 | Schaeffler Technologies AG & Co. KG | Nockenwellenversteller |
DE102012213401B4 (de) * | 2012-07-31 | 2016-08-11 | Schaeffler Technologies AG & Co. KG | Nockenwellenversteller |
DE102012218403A1 (de) * | 2012-10-10 | 2014-04-10 | Schaeffler Technologies Gmbh & Co. Kg | Hydraulischer Nockenwellenversteller mit Federdeckel sowie Federdeckel mit integrierter Federaufnahme und variabler Federvorspannkraft |
DE102013200767B4 (de) * | 2013-01-18 | 2016-04-07 | Schaeffler Technologies AG & Co. KG | Nockenwellenversteller und Federkassette für einen Nockenwellenversteller |
DE102013212942C5 (de) * | 2013-07-03 | 2021-04-22 | Schaeffler Technologies AG & Co. KG | Fluidversorgung, etwa eine Ölversorgung, für ein Zentralventilsystem für einen trockenen Riementrieb |
DE102013212935B4 (de) | 2013-07-03 | 2024-02-08 | Schaeffler Technologies AG & Co. KG | Aktuator-Nockenwellenversteller-System für einen trockenen Riementrieb |
WO2015000472A1 (de) | 2013-07-03 | 2015-01-08 | Schaeffler Technologies Gmbh & Co. Kg | Lagerungssystem für zentralventilsysteme für trockene riementriebe |
DE102013212943B4 (de) | 2013-07-03 | 2017-01-26 | Schaeffler Technologies AG & Co. KG | Anbindung eines Verstellaktuators an ein Zentralventilsystem für einen trockenen Riementrieb |
DE202013012609U1 (de) | 2013-07-03 | 2017-11-24 | Schaeffler Technologies AG & Co. KG | Zentralventilsystem für einen trockenen Riementrieb |
DE102013022320B4 (de) | 2013-07-03 | 2020-02-06 | Schaeffler Technologies AG & Co. KG | Anbindung eines Verstellaktuators an ein Zentralventilsystem für einen trockenen Riementrieb |
DE102014008155A1 (de) | 2014-05-30 | 2015-12-17 | Daimler Ag | Nockenwellenverstellvorrichtung |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US509585A (en) * | 1893-11-28 | Burial apparatus | ||
US5095857A (en) * | 1990-07-17 | 1992-03-17 | Eaton Corporation | Self actuator for cam phasers |
DE4229202A1 (de) * | 1992-09-02 | 1994-03-03 | Schaeffler Waelzlager Kg | Vorrichtung für eine stufenlose Winkelverstellung |
US5704316A (en) * | 1993-09-20 | 1998-01-06 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Valve drive system of an internal combustion engine |
DE19600853A1 (de) * | 1996-01-12 | 1997-07-17 | Schaeffler Waelzlager Kg | Vorrichtung zum Verändern der Steuerzeiten einer Brennkraftmaschine |
US6311654B1 (en) * | 1998-07-29 | 2001-11-06 | Denso Corporation | Valve timing adjusting device |
WO2001029377A1 (fr) * | 1999-10-22 | 2001-04-26 | Mitsubishi Denki Kabushiki Kaisha | Dispositif d'ajustement a reglage de distribution |
DE10007200A1 (de) * | 2000-02-17 | 2001-08-23 | Schaeffler Waelzlager Ohg | Vorrichtung zum Verändern der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine |
-
2002
- 2002-04-11 DE DE10215879A patent/DE10215879A1/de not_active Withdrawn
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2003
- 2003-03-07 WO PCT/EP2003/002330 patent/WO2003085238A1/de not_active Application Discontinuation
- 2003-03-07 DE DE50301108T patent/DE50301108D1/de not_active Expired - Lifetime
- 2003-03-07 KR KR1020047016228A patent/KR100929519B1/ko active IP Right Grant
- 2003-03-07 AU AU2003210432A patent/AU2003210432A1/en not_active Abandoned
- 2003-03-07 EP EP03745762A patent/EP1492943B1/de not_active Expired - Lifetime
Also Published As
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EP1492943A1 (de) | 2005-01-05 |
WO2003085238A1 (de) | 2003-10-16 |
KR100929519B1 (ko) | 2009-12-03 |
DE50301108D1 (de) | 2005-10-06 |
KR20040101441A (ko) | 2004-12-02 |
DE10215879A1 (de) | 2003-10-23 |
AU2003210432A1 (en) | 2003-10-20 |
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