EP1963628A1 - Nockenwellenversteller - Google Patents
NockenwellenverstellerInfo
- Publication number
- EP1963628A1 EP1963628A1 EP06819789A EP06819789A EP1963628A1 EP 1963628 A1 EP1963628 A1 EP 1963628A1 EP 06819789 A EP06819789 A EP 06819789A EP 06819789 A EP06819789 A EP 06819789A EP 1963628 A1 EP1963628 A1 EP 1963628A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- camshaft
- flow
- lubricant
- camshaft adjuster
- flow channel
- 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
- 239000000314 lubricant Substances 0.000 claims abstract description 169
- 238000002485 combustion reaction Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 40
- 238000005461 lubrication Methods 0.000 claims description 29
- 230000008859 change Effects 0.000 claims description 9
- 230000033001 locomotion Effects 0.000 claims description 7
- 230000001050 lubricating effect Effects 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 229920002994 synthetic fiber Polymers 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 13
- 239000002245 particle Substances 0.000 description 13
- 238000013461 design Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- 238000007789 sealing Methods 0.000 description 10
- 239000003921 oil Substances 0.000 description 9
- 230000007704 transition Effects 0.000 description 9
- 239000003595 mist Substances 0.000 description 7
- 230000002829 reductive effect Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 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 4
- 230000036961 partial effect Effects 0.000 description 4
- 230000001186 cumulative effect Effects 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 239000010705 motor oil Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000010349 pulsation Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 206010061876 Obstruction Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000009736 wetting 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
- F01L1/352—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
-
- 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
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
-
- 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
-
- 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
- F01L2001/34436—Features or method for avoiding malfunction due to foreign matters in oil
-
- 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
- F01L2001/34436—Features or method for avoiding malfunction due to foreign matters in oil
- F01L2001/3444—Oil filters
-
- 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
- F01L2810/02—Lubrication
-
- 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
- F01L2820/00—Details on specific features characterising valve gear arrangements
- F01L2820/01—Absolute values
Definitions
- the invention relates to a camshaft adjuster for an internal combustion engine in which lubrication takes place via a lubricant stream, in particular according to the preamble of claim 1, 12, 17, 18 or 20.
- Camshaft adjusters can be roughly classified as follows:
- phase adjuster with an actuator, so a functional unit which engages in the mass flow or energy flow, which is for example formed hydraulically, electrically or mechanically, and rotates with gear elements of the camshaft adjuster.
- phase adjuster with a separate actuator ie a functional unit in which from the controller output variable required for the control of the actuator control variable is formed, and a separate actuator.
- a separate actuator ie a functional unit in which from the controller output variable required for the control of the actuator control variable is formed, and a separate actuator.
- Phase adjuster with a co-rotating actuator and a co-rotating actuator such as a high-ratio gearbox whose adjusting shaft can be advanced by a co-rotating hydraulic motor or centrifugal motor and can be reset by means of a spring.
- Phase adjuster with a co-rotating actuator and a stationary motor-fixed actuator such as an electric motor or an electric or mechanical brake, see DE 100 38 354 A1, DE 102 05 034 A1, EP 1 043 482 B1.
- Phase adjuster with a directional combination of the solutions according to a. and b. For example, a motor-mounted brake, in which a part of the braking power is used, for example, for adjusting to early to tension a spring, which allows the return adjustment after switching off the brake, s. a. DE 102 24 446 A1, WO 03-098010, US 2003 0226534, DE 103 17 607 A1.
- the adjustment energy can take the form of a provision by a drive and / or a braking power and by utilizing power losses of the shaft system (eg friction) and / or inertias and / or centrifugal forces.
- a braking preferably in the adjustment "late” can also be done with full utilization or shared use of the friction of the camshaft.
- a cam phaser may be equipped with or without a mechanical limitation of the adjustment range.
- a transmission in a camshaft phaser find one or more stages three-shaft gearbox and / or multi-joint or coupling gear use, for example in the form of a swash plate gear, eccentric, planetary gear, wave gear, cam gear, Mehrgelenk- or Koppfelgetriebe or combinations of the individual designs in one multi-level training.
- camshaft adjusters For an operation of the camshaft adjuster, a supply of a lubricant to lubrication points, in particular bearing points and / or rolling toothing, is required, wherein the lubricant lubrication and / or Cooling relative to each other moving components of the camshaft adjuster is used.
- camshaft adjusters have a lubricant circuit which can be coupled, for example, to the lubricant circuit of the internal combustion engine.
- the present invention has for its object to propose a camshaft adjuster with an improved lubricant circuit.
- the invention is based on the consideration that, for known camshaft adjusters, the flow rate of the lubricant in the camshaft adjuster is determined by the line cross sections, the delivery volume of a pump in the respective operating state, the ambient temperature and the type of lubricant currently being used and the degree of soiling.
- the selected flow cross sections, in particular in the region of the inlet and the outlet are determined by manufacturing issues.
- the Applicant has found that a transmission of a camshaft adjuster may be almost "flooded" with a lubricant, in particular
- a throttle for the lubricant flow may be formed by a tooth gap of a ring gear or by radially extending grooves between individual components of the camshaft adjuster.
- a flow channel of the camshaft adjuster can be manufactured without a diaphragm or throttle, for example with a large and / or constant diameter or annular channel.
- the flow channel can thus be provided with simple manufacturing processes and reliable.
- a flow element is used in these, which is formed separately from the flow channel limiting components.
- the flow element has such a contour that a diaphragm or a throttle is created.
- the contour of the diaphragm or throttle can thus be manufactured separately from the other components, wherein for the spatially limited flow element separate manufacturing processes and / or materials can be used.
- the flow element may preferably have passage openings for the diaphragm or throttles in the interior and / or limit an aperture or throttle on one side in the region of an inner or outer contour, while another limitation of the diaphragm or throttle may be ensured by a component delimiting the flow channel is.
- the invention is based on the finding that for flow channels with relatively large flow cross-sections with an increase in the
- the flow element is arranged in the inlet region of the lubricant in the transmission and / or in the outlet region of the lubricant from the transmission, so that a throttling can be targeted in the region of interest. If throttling already takes place in the entry region of the lubricant, increased pressures due to throttling can be kept away from the transmission, whereby the sealing requirements in the transmission are not unnecessarily increased.
- the flow element is in particular
- the flow element can engage in suitable recesses or grooves of the flow channel limiting components, - frictionally connected to the flow channel, the flow element is for example under elastic bias in the flow channel, or cohesively with the flow channel, for example via a glue, connected,
- the flow channel has an annular cross-section in the area in which the flow element is inserted.
- the annular cross-sections can not clog so easily due to the increased extent in the circumferential direction, since at most partial circumferential areas can become clogged.
- annular cross-section for a flow channel between a lateral surface of a front screwed into the camshaft central screw and a camshaft-fixed inner surface, such as a hollow shaft or a transmission element is formed, so that already used for the flow channel existing components and the flow channel delimiting surfaces can be formed by outer and inner contours of the components with relatively large diameters.
- the flow element is pressed radially elastically and under radial pressure against a boundary of the flow channel, wherein such contact pressure can be radially inward and / or radially outboard.
- the throttles or diaphragms form areas which harbor the risk of a primary obstruction with dirt particles or sludges.
- a filter element is arranged upstream of the flow element.
- the filter element out of the camshaft adjuster or in this be arranged.
- the filter element may be formed separately from the throttle or as an integral element of the flow element.
- the filter element also generates a throttling effect, so that a throttle and / or diaphragm must be dimensioned taking into account the throttle effect of the filter element.
- the aperture or throttle is created by a cross-sectional change transversely to the flow direction of the lubricant.
- Circular diameter is reduced compared to the remaining flow cross-section.
- the diaphragm or throttle is created by a cross-sectional change in the circumferential direction to the flow direction of the lubricant.
- a cross-sectional change in the circumferential direction to the flow direction of the lubricant For example, for an annular cross-section through the flow element, a subdivision of the flow cross-section into individual circle segments, the total area of which is smaller than the original circular area of the flow cross section.
- the flow element can block individual peripheral regions of the annular flow channel.
- the invention proposes to switch a plurality of flow elements one behind the other or to switch in parallel.
- a series connection can be increased for a path of the lubricant, the area of influence of the flow.
- the lubricant flow to the lubrication points corresponding to the respective ones can be targeted by identical or different flow elements Lubricating point requirements are affected so that lubrication points with an increased lubricant requirement can be supplied with more lubricant and vice versa.
- the flow of the lubricant is influenced by a flow element whose flow characteristics are changeable during operation of the internal combustion engine.
- the flow element may be formed as an integral part of the flow channel or as a separate flow element, as has been previously described.
- a change in the flow element while influencing the flow properties can be carried out automatically, for example in the form of a thermocouple or in the form of mechanically self-adjusting solutions.
- an adjusting device for changing the flow element which is acted upon by a suitable control or regulating device.
- the flow element is temporarily completely closed.
- a flow element can be completely closed, for example, for an engine stop.
- a repeated closure of the flow element during operation whereby pulsations of the lubricant are generated, the u. U. can increase a scoring lubricating and cooling effect and can increase the area covered by the lubricant area.
- the flow properties of the flow element can be changed in a motion-controlled manner by the rotation of the camshaft, the camshaft adjuster or the transmission. For example, a centrifugal force control of the flow characteristics of the flow element can take place with the rotation of the camshaft.
- the crossing cross section in the feed region between two bores of relatively moving components, for example the cylinder head and the camshaft, via which a lubricant passage is ensured, can be ensured only in selected relative positions, while for other relative positions the crossover cross section is partially and / or completely is closed, so that the lubricant can only intermittently pass.
- Another solution to the problem underlying the invention utilizes an existing anyway between a central screw and a recess of the camshaft hollow cylindrical space in which a first portion of this gap forms a first flow channel, the manufacturing dimensions for the outer diameter of the central screw and the inner diameter of the recess determine the gap height of the annular flow channel.
- a hollow shaft is arranged, which forms a second flow channel radially outboard and / or radially inwardly. Due to the dimensions of the hollow shaft, the second flow channel is equipped with a smaller flow cross-section than the first flow channel.
- An additional throttle or diaphragm is created by the presence of a projection, for example the central screw, the hollow shaft or the camshaft or an additional component in the crossing cross section between the first flow channel and the second flow channel, which further reduces the second flow channel in this area and thus creates a throttle or aperture.
- a projection for example the central screw, the hollow shaft or the camshaft or an additional component in the crossing cross section between the first flow channel and the second flow channel, which further reduces the second flow channel in this area and thus creates a throttle or aperture.
- a radial recess in the camshaft is provided in the aforementioned space.
- a diaphragm is provided in that the crossover cross section from the first portion to the radial puncture is partially closed by an end face of the hollow shaft also arranged in the intermediate space.
- the aperture can be made possible without the need for a production of small opening cross-sections through a bore of small diameter or the like by the shape of the central screw and the recess of the camshaft and the recess and the hollow shaft.
- a multifunctional use of the puncture is given when the puncture has a radially outer dead space in which particles can be deposited as a result of a centrifugal action exerted on the lubricant.
- Another solution of the object underlying the invention is concerned with the passage of the lubricant from a cylinder head fixed component, such as a camshaft bearing, to the camshaft.
- the cylinder head fixed component has at least one outlet opening, from which the lubricant enters at least one inlet opening of the camshaft.
- a throttle or diaphragm can be created in that the inlet opening of the camshaft and the outlet opening of the cylinder head fixed component are not aligned , So that the crossover cross section is given by the larger cross section of the inlet opening and the outlet opening, but that the inlet opening and the outlet opening are arranged offset from one another, so that the opening cross section of the aperture is given by the only partial overlap of the inlet opening and the outlet opening.
- Offset is, for example, an offset of the inlet opening and the outlet opening in the direction of the circumference and / or an axial offset in the direction of the longitudinal axis of the camshaft.
- inlet opening or the outlet opening is formed as a partially or completely extending in the circumferential direction groove, while the other opening is formed as a bore.
- the measures according to the invention are preferably used for a camshaft adjuster in a swash-plate type of construction.
- Figure 1 is a schematic representation of a camshaft adjuster
- Figure 2 is a schematic representation of a camshaft adjuster with a swash plate transmission
- FIG. 3 shows a camshaft adjuster in a schematic representation with a lubricant circuit
- Figure 4 shows a camshaft adjuster in a schematic representation with a lubricant circuit, in which a filter element is integrated;
- FIG. 5 shows a camshaft adjuster in a semi-longitudinal section with a dead space for depositing dirt particles
- Figure 6 shows a camshaft adjuster in a schematic representation with a lubricant circuit which is equipped both on the input side and on the output side with a throttle and a diaphragm;
- FIG. 7 shows a camshaft adjuster in longitudinal section with the guide of the lubricant in a flow channel
- FIG. 8 shows a longitudinal section of a camshaft adjuster in which two diaphragms are connected in series in a flow channel
- FIG. 9 shows a longitudinal section of a camshaft adjuster with a flow element attached to a central screw, which forms an aperture with an inner circumferential surface of the camshaft;
- FIG. 10 shows a longitudinal section of a camshaft adjuster with a diaphragm formed between a hollow shaft and a central screw; 11 shows a camshaft adjuster in longitudinal section with the supply of a lubricant via a crossover cross section from an outlet opening of the cylinder head to an inlet cross section of the camshaft;
- FIG. 12 shows a further embodiment of a supply of a lubricant to a camshaft and a phaser in a
- FIG. 13 shows a further embodiment of a supply of a lubricant to a camshaft and to a camshaft adjuster in one embodiment
- FIG. 14 shows a further embodiment of a supply of a lubricant to a camshaft and to a camshaft adjuster in a longitudinal section;
- Figure 15 further embodiment of a supply of a lubricant to a camshaft and to a camshaft adjuster in a
- FIG. 16 shows a longitudinal section of a camshaft adjuster with different examples of an arrangement of shutters or throttles for influencing the flow of a lubricant
- FIG. 17 a spatial view of a camshaft adjuster with openings of a housing of the transmission for passage of the lubricant in the form of drops, lubricant mist or injected lubricant;
- FIG. 18 shows a further spatial view of the camshaft adjuster according to FIG. 17 with further possibilities for openings; 19 shows a camshaft adjuster in the installed state with possibilities for lubrication via drops, a lubricant mist and / or sprayed lubricant and
- FIG. 20 shows a side view of a camshaft adjuster in the installed state with a drip plate, on which drops of an oil mist are deposited and drop in the direction of the interior of the camshaft adjuster.
- Figure 1 shows a schematic representation of a camshaft adjuster 1, in which in a transmission 2, the movement of two input elements, here a drive wheel 3 and an adjusting 4 (also called wobble) to an output movement of an output element, here a rotatably connected to a camshaft output shaft. 5 or directly the camshaft 6, is superimposed.
- the drive wheel 3 is in driving connection with a crankshaft of the internal combustion engine, for example via a traction means such as a chain or a belt or a suitable toothing, wherein the drive wheel 3 may be formed as a chain or pulley.
- the adjusting shaft 4 is driven by an electric motor 7 or is in operative connection with a brake.
- the electric motor 7 is supported relative to the environment, for example the cylinder head 8 or another motor-fixed part.
- FIG. 2 shows an exemplary embodiment of a camshaft adjuster 1 with a gearbox 2 in a swash plate design.
- a housing 9 is rotatable with connected to the drive wheel 3 and sealed in an axial end region via a sealing element 10 relative to the adjusting shaft 4. In the opposite axial end region, the housing 9 is sealed relative to the cylinder head 8 with a sealing element 1 1.
- interior 36 protrudes an end portion of the camshaft 6 in.
- a coupling 12 with the adjusting shaft 4 eccentric shaft 13, a via a bearing element 14, for example, a roller bearing, mounted swash plate 15 and a hollow shaft 16, via a bearing element 17, for example, a roller bearing, inside in a central Recess of the eccentric shaft 13 is supported and a Abtriebskegelrad 18 carries arranged.
- the driven bevel gear 18 is supported via a bearing 19 relative to the housing 9. Inside, the housing 9 forms a drive bevel wheel 20.
- the swash plate 15 has on opposite end faces suitable teeth.
- the eccentric shaft 13 with bearing element 14 and swashplate rotates about an axis which is inclined with respect to a longitudinal axis 21-21, so that the swashplate meshes with the drive bevel gear 20 and the driven bevel gear 18 on subregions offset in the circumferential direction, wherein between bevel gear and driven bevel gear an over or a reduction is given.
- the driven bevel gear 18 is rotatably connected to the camshaft 6.
- the hollow shaft 16 is screwed with Abtriebskegelrad 18 via a central screw 22 which extends through the hollow shaft 16, frontally with the camshaft 6.
- Lubrication with a lubricant, in particular oil, is required in the area of lubrication points 23, 24, which are, for example,
- Bearing element 14 and / or bearing element 17th can act.
- a continuous, cyclic, pulsating or intermittent supply and / or forwarding of a lubricant via lubricant channels takes place.
- the lubricant is fed to a flow channel 26 of the camshaft 6, which communicates with a flow channel 27, which is formed in a hollow cylinder between an inner circumferential surface 28 of the hollow shaft 16 and an outer circumferential surface 29 of the central screw 22.
- Via radial bores 30 of the hollow shaft 16 the lubricant from the flow channel 27 can pass radially outward and are supplied to the lubrication points.
- FIG. 3 shows a schematic lubricant circuit.
- the lubricant is conveyed from a reservoir 31, for example an oil pan or an oil tank, via a pump 32, for example an engine oil pump, through a filter 33, in particular an engine oil filter, to the feed recess 25 and the flow channel 26 of the camshaft 6.
- the lubricant leaves the camshaft adjuster 1 or the housing 9 thereof via an outlet opening 34 and is returned to the reservoir 31 again.
- the schematic lubricant circuit according to FIG. 4 has an additional filter element 35.
- the filter element 35 is preferably assigned to the camshaft adjuster 1 and arranged, for example, after a branch of the lubricant circuit to further components to be lubricated and exclusively associated with the branch of the lubricant circuit, which serves to lubricate the camshaft adjuster.
- the filter 35 is arranged as close as possible to the installation location of the camshaft adjuster 1 or in the camshaft adjuster itself.
- the filter element 35 may serve to keep machining residues in flow channels upstream upstream of the filter element 35 from flow passages of the cylinder head and the camshaft.
- a diaphragm characteristic or a throttling effect of the filter element 35 can be used selectively to control the flow conditions, in particular the Pressure to influence the flow rate and the speed of the lubricant.
- the filter element 35 is preferably to be implemented in such a way that it can not clog or become clogged during the running time of the camshaft adjuster due to the flow conditions in the maximum assumed contamination with particles and dirt.
- the arrangement in a riser and / or as a Maustromfil- ter advantageous.
- the filter element 35 may, for example, as
- a sieve a sieve, a ring filter, a plug-in filter, a cap filter, - filter plates,
- lubricant is conveyed into an interior 36 of the housing 9, for example according to the embodiments described above, wherein in the interior 36, the lubricant comes into contact with the lubrication points.
- the inner space 36 is in lubricant communication with a dead space 37, which is arranged at a radially farthest point of the inner space 36.
- a connection of the dead space 37 to the interior 36 can be formed over a large area over crossing cross sections or via separate channels, via which an access of lubricant and an outlet of lubricant to and from the dead space 37 is possible.
- the dead space 37 is formed as a circumferential annular channel.
- a dead space 37 is, in particular, a space in which the lubricant is present at low temperatures. speeds or nearly rests, so that the dead space 37 is not arranged in an immediate, maximum flow zone of the lubricant.
- the lubricant is subjected to a centrifugal force due to the rotation of the housing 9, whereby heavy components and suspended particles are pressed in the lubricant to the outside and can deposit on a radially outer wall 38 and are not performed back to a lubrication point.
- annular dead space 37 is separated in the circumferential direction by intermediate walls, so that a plurality of individual chambers are formed in the circumferential direction, is avoided by the fact that in the dead space 37, the lubricant can move relative to the housing 9 in the circumferential direction.
- a deposition of dirt is thus analogous to a rotating centrifuge.
- Dead spaces according to dead space 37 can be arranged at any point in the transmission and in the area of the camshaft, whereby it can be achieved that important functional surfaces, for example in the immediate vicinity of the dead spaces, are not "silted” by centrifuged dirt in the transmission.
- the centrifugal effect is enhanced by increasing the distance of the dead spaces from the longitudinal axis 21 -21.
- the dead space has no additional outflow, so that centrifuged dirt particles are permanently deposited in the dead space 37.
- the dead space has at least one additional outlet opening 39, 40, wherein the outlet opening 39 is axially oriented and the outlet opening 40 is radially oriented.
- a delivery through the outlet opening 39 takes place exclusively by the pressure difference in the dead space 37 on the one hand and in the surroundings of the camshaft adjuster 1 on the other hand.
- a dirt separation takes place in that the lubricant is guided in a flow channel labyrinth-like or zigzag.
- a dirt separation by such a labyrinth-type dirt separator is based on the different inertia of the lubricant and interfering particles in the lubricant. In particular, for high flow rates, a strong deflection of the lubricant flow can cause the particles are not deflected, but deposit at the boundaries of the labyrinth.
- the centrifugal effect can be generated at least partially by the flow channels leading to the lubricant being oriented in a circular or spiral shape, so that the movement of the lubricant can be achieved solely by the movement of the lubricant can form a deposit on outer boundaries of the flow channels through the curved flow channels.
- the schematic lubricant circuit has an input-side diaphragm 41 and an input-side throttle 42 and an output-side diaphragm 43 and an output-side throttle 44.
- the diaphragms 41, 43 and throttles 42, 44 form flow elements for influencing the flow conditions in the lubricant circuit.
- the aforementioned flow elements are associated with a parallel lubricant path, which acts exclusively on the camshaft adjuster 1.
- the flow elements are arranged close to the camshaft adjuster 1 or at least partially integrated therein, the camshaft or a cylinder head in the region of a bearing point for the camshaft.
- the filter element 35 is arranged in the flow direction upstream of the flow elements, so that the flow elements are not blocked by particles or added over time.
- a continuously variable or in stages variable flow element can be used. It is possible to use a flow element whose flow effect
- a change of the flow element takes place, for example, such that the volume flow of the lubricant is kept at a constant value, regardless of a temperature of the lubricant. It is also possible that the volume flow is increased or decreased by influencing the flow element in operating areas in which a higher lubricant or cooling demand or a lower such need exists.
- the camshaft 6 has an end blind bore 46, which merges with a conical chamfer 47 into a thread for receiving the central screw 22.
- the holes 45 open into the chamfer 47.
- the holes 45 are fed by a supply groove of the cylinder head 8 with the lubricant.
- a radial circumferential recess 48 is introduced with a rectangular cross-section of the geometry shown in FIG.
- a portion of the bore 48 and bore 46 to the groove 48 supplied lubricant passes through an axial bore 49 of the camshaft 6, which opens into the recess 48, and one with a certain overlap, but radially offset axial bore 50 of the housing 9 in the Interior of the transmission 2 to the lubrication points, for example to the bearing element 17, the bearing element 14, the rolling tooth connections of the swash plate 15 and / or the storage 19th
- the other part of the recess 48 supplied lubricant passes through a formed between the inner surface of the hollow shaft 16 and the outer surface of the central screw 22 flow channel 51 with annular cross section to at least one radial bore 52 to a lubrication point, for example, the bearing 17 or in the interior of the transmission 2.
- the recess 48 is formed with a radial extent, which extends beyond the bore 49, so that radially outwardly a circumferential annular dead space 37 is formed.
- a transition region 53 in the form of a recess a radial groove o. ⁇ . be formed to allow the passage between the radially offset holes 49, 50.
- non-aligned bores 49, 50 a type of aperture can be created for a partial overlap of the bores with a small transitional cross section or aperture cross section, although the bores 49, 50 can be made in themselves with relatively large diameters and thus coarse tools ,
- the extension of the hollow shaft 16 in the longitudinal direction is extended in the longitudinal direction for the exemplary embodiment shown in FIG. 8 such that the hollow shaft protrudes into the recess 48.
- a circumferential edge 54 which is formed by the inner circumferential surface of the bore 46 and a recess defining the transverse surface 55
- an edge 56 which is formed by the outer circumferential surface 57 of the hollow shaft 16 and an end face 58 of the hollow shaft 16 is a Aperture formed for a passage of the lubricant from the bore 46 to the recess 48th
- the camshaft 6 according to FIG. 9 has no puncture 48.
- the bores 49, 50 and the transition region 53 are not provided for the exemplary embodiment according to FIG. 9, so that the lubricant from the bore 46 is completely in the flow channel 51 is supplied.
- a flow element 59 is arranged, which is at a striped over the central screw 22 ring, for example, plastic or an elastomer can act.
- the flow element 59 has an approximately T-shaped half longitudinal section, the transverse leg of the T under elastic contact radially inwardly abuts the lateral surface of the central screw 22, while the vertical leg of the T extends radially outwardly and the end face this leg forms an annular gap 60 with the bore 46, whereby a diaphragm is created.
- the flow element 59 may, for example, be clamped radially outward against the bore 46, in which case an annular gap 60 is formed between the inner surface of the flow element and the central screw.
- a positive reception of the flow element 59 for example in a suitable groove of the camshaft or the central screw, is conceivable. Any configuration of the contour of the flow element 59 in the region of the annular gap 60 for influencing the flow conditions is possible, for example with gradual transitions or continuous transitions.
- the hollow shaft 16 in the region of the flow channel 51 has a radial, circumferential recess 61 which is limited on the side facing the chamfer 47 by a radially inwardly pointing, circumferential radial projection 62.
- an annular gap 63 is formed, which constitutes a diaphragm.
- the recess 61 forms a dead space 37 radially on the outside, since both the annular gap 63 and the flow channel 51 open radially inward from the dead space 37 into the recess 61.
- the camshaft 6 is supplied with lubricant from a lubricant gallery of the cylinder head 8.
- the transmission of the lubricant from the engine-fixed cylinder head 8 on the rotating camshaft 6 is usually carried out by means of known rotary transformer.
- This is usually an annular groove 64 of the outer surface of the camshaft 6.
- the annular groove 64 is surrounded by a corresponding cylindrical surface 65 of the cylinder head 8, to which an axially aligned with the annular groove 64 tap hole 66 leads from the lubricant gallery.
- the stub hole 66 can break the lateral surface 65, as shown in Figure 1 1, radially or break them, for example, tangentially.
- a rotary transformer can be arranged in a radial bearing for the camshaft 6 or on a separate shoulder. In the latter, however, because of the usually larger radial gap often sealing rings 67, 68, for example, a steel, cast iron, plastic sealing ring required. In an arrangement of the rotary transformer in a radial bearing of the camshaft 6, it should be noted that the bearing width is reduced by the width of the annular groove.
- annular grooves can be executed in the form of a cylinder head, for example in the bearing, the bearing bridge or an inserted bearing bush. In the camshaft then no annular grooves 64 are required.
- the tap hole 66 and the annular groove 64 are arranged offset from one another in the axial direction, whereby a kind choke is already created upon passage of the lubricant from the tap hole 66 to the annular groove 64, the opening cross section is smaller, the greater the offset in the axial Direction between tap hole 66 and ring groove 64 is.
- a throttle effect can be achieved here also for a relatively large diameter of the tap hole 66 and a large width of the annular groove 64, so that no dirt-sensitive and production-sensitive small holes or grooves must be created.
- the lubricant is supplied via a cyclic lubricant supply.
- a cyclic lubricant supply eliminates the annular groove 64, so that a lubricant connection between the tap hole 66 and the holes 69 is given only for such rotational positions of the camshaft 6, for which the holes 66, 69 are aligned or have an overlap.
- the cylinder head 8 or the lateral surface of the camshaft 6 can be over in the transition region between the tap hole 66 and the bore 69 Having a partial circumference extending groove, so that a transition from the tap hole 66 to the bore 69 is possible as long as these holes 66, 69 are interconnected by the groove.
- the transfer of the lubricant can be designed variably via the design of the width profile of the groove.
- a volume flow and mass flow of the lubricant can be specified constructively and cyclically.
- a pulsating lubricant flow can be effected, which results in pressure fluctuations, which can be used for example for a better mixing and wetting of the lubrication points with the lubricant.
- the risk of blockages for example, of diaphragms or chokes, be reduced.
- a check valve can be arranged in the lubricant circuit, in particular in the region of the cylinder head 8, in the region of the camshaft and / or in the transmission.
- FIG. 12 shows an exemplary embodiment in which lubricant is supplied to the transmission 2 via a radial blind hole 70, an axial blind hole 71 of the camshaft opening into the blind bore 70 and a tap hole 72 of the housing 9.
- a simplification of the assembly results when in the transition region between the holes 71 of the camshaft and the bores 72 of the housing 9, a circumferential annular groove 73 is provided, whereby the holes 71, 72 need not be coaxially aligned with each other during assembly.
- FIG. 13 shows an exemplary embodiment which essentially corresponds to the exemplary embodiment according to FIG. 9, although no flow element 59 is provided.
- Figure 14 shows an embodiment in which the annular groove 64 is connected via a relative to the longitudinal axis 21 -21 and the transverse axis inclined bore 74 directly to the annular channel 73.
- the direct connection of the annular channel 73 and the annular groove 64 via a front side introduced into the camshaft, opening into the annular groove 64 and the annular channel 73 pierced bore 75 takes place.
- an annular channel between hollow shaft 16 and central screw 22 has a ring width in the range of 0.2 to 1 mm.
- the radial connection bores between this flow channel and the interior of the transmission preferably have a diameter between 0.5 and 3 mm. Further influencing or throttling or diaphragms can take place by specification of the axial and / or radial gaps 76, which can be predetermined in terms of design and form flow cross sections or diaphragms or throttles for the lubricant.
- the outer circumferential surface of the housing 9 has recesses or windows 77, which may be distributed uniformly or non-uniformly in the circumferential direction, cf. FIG. 17.
- Figure 18 shows further possibilities for the arrangement of recesses or openings 78 in the region of an end face of the camshaft adjuster 1.
- a transmission of the lubricant via the camshaft can be omitted if a lubricant through the openings 78, 77 fed to the gearbox 2 becomes.
- the lubricant can be conveyed through the openings 77, 78 via a lubricant syringe.
- a lubricant syringe may be arranged on the cylinder head or on a chain case.
- a lubricant syringe may simply be a lubricant bore from which a fine jet of lubricant exits and which impinges on a point outside the transmission or within the transmission, for example through the openings 77, 78.
- a point may lie as close as possible to the axis of rotation in the interior of the transmission. Due to the centrifugal force acting on the lubricant in the rotating system, the lubricant is distributed outwards to the lubrication points, for example to a bearing and / or to the toothing.
- the lubricant can be sprayed directly onto a toothing or other lubricant sites. It is also conceivable that the spraying with lubricant is combined with the lubricant supply to other engine components, for example a chain or a tensioner. E- it is also conceivable that a point or an area outside the transmission 2m is sprayed with the lubricant. Lubrication is then ensured by the rebounding or reflected lubricant or lubricating mist generated thereby.
- a supply of lubricant can take place via the lubricant mist which is present in any case in a chain case, which can penetrate into the camshaft adjuster through the openings 77, 78.
- a drip tray 80 is provided outside of the transmission, on which the lubricant mist condenses and drips.
- special drip lubricant nozzles can be provided, which are specifically aligned in the direction of the openings 77, 78.
- the lubrication points such as plain bearings and / or gears, be equipped with emergency running properties.
- emergency running properties can, for example
- the lubricant reservoirs are provided by microscopic or macroscopic small pockets of lubricant locations in which lubricant may be stored for cold start or at low lubricant temperatures.
- Better emergency running shanks can preferably also be present if rolling bearings are provided at the bearing points as far as possible.
- an oil dripping from an oil-lubricated traction means can furthermore be used which passes through an opening in the housing.
- the traction means u.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005059860A DE102005059860A1 (de) | 2005-12-15 | 2005-12-15 | Nockenwellenversteller |
| PCT/EP2006/068964 WO2007068576A1 (de) | 2005-12-15 | 2006-11-28 | Nockenwellenversteller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1963628A1 true EP1963628A1 (de) | 2008-09-03 |
| EP1963628B1 EP1963628B1 (de) | 2015-01-07 |
Family
ID=37734866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06819789.6A Not-in-force EP1963628B1 (de) | 2005-12-15 | 2006-11-28 | Nockenwellenversteller |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8104439B2 (de) |
| EP (1) | EP1963628B1 (de) |
| JP (1) | JP2009519402A (de) |
| KR (1) | KR101369570B1 (de) |
| CN (1) | CN201215030Y (de) |
| DE (1) | DE102005059860A1 (de) |
| WO (1) | WO2007068576A1 (de) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008010645A1 (de) | 2008-02-22 | 2009-08-27 | Schaeffler Kg | Nockenwellenversteller und Nockenwelle für eine Brennkraftmaschine |
| DE102008010644A1 (de) | 2008-02-22 | 2009-08-27 | Schaeffler Kg | Nockenwellenversteller und Nockenwelle für eine Brennkraftmaschine |
| DE102009051310A1 (de) * | 2009-10-29 | 2011-05-05 | Schaeffler Technologies Gmbh & Co. Kg | Befestigungsanordnung eines Nockenwellenverstellers |
| WO2012150077A1 (de) * | 2011-05-02 | 2012-11-08 | Magna Powertrain Ag & Co Kg | Vorrichtung zur schmierung |
| DE102013220220B4 (de) | 2013-10-08 | 2020-06-18 | Schaeffler Technologies AG & Co. KG | Nockenwellenverstellvorrichtung |
| DE102013220221B4 (de) | 2013-10-08 | 2020-12-03 | Schaeffler Technologies AG & Co. KG | Nockenwellenverstellvorrichtung |
| KR101540749B1 (ko) * | 2014-02-04 | 2015-07-31 | 삼보모터스주식회사 | 연속 가변 밸브 타이밍 장치용 감속기의 오일통로 |
| DE102014210360B4 (de) | 2014-06-02 | 2017-11-23 | Schaeffler Technologies AG & Co. KG | Nockenwellenverstellvorrichtung |
| US9797277B2 (en) * | 2015-02-20 | 2017-10-24 | Schaeffler Technologies AG & Co. KG | Camshaft phaser |
| JP2017120049A (ja) * | 2015-12-28 | 2017-07-06 | 株式会社クボタ | シリンダヘッド冷却構造 |
| JP6769253B2 (ja) * | 2016-11-14 | 2020-10-14 | アイシン精機株式会社 | 弁開閉時期制御装置 |
| EP3797219B1 (de) | 2018-05-23 | 2026-04-08 | Cummins, Inc. | System und verfahren für ein unverlierbares kettenrad in einem motor |
| IT201800009788A1 (it) * | 2018-10-25 | 2020-04-25 | Edi Bondioli | Giunto omocinetico grandangolare con serbatoio di lubrificante |
| CN109373037B (zh) * | 2018-11-14 | 2024-03-26 | 宁波太平洋电控系统有限公司 | 一种带有凸轮轴润滑结构的中央阀阀套 |
| DE102019101257A1 (de) | 2019-01-18 | 2020-07-23 | Bayerische Motoren Werke Aktiengesellschaft | Ventiltrieb für eine Brennkraftmaschine mit einer variablen Nockenwellensteuerung |
| CN111940197B (zh) * | 2020-06-28 | 2022-09-06 | 惠州市富美真空镀膜有限公司 | 喷涂加工生产线 |
| DE102020121608A1 (de) | 2020-08-18 | 2022-02-24 | Schaeffler Technologies AG & Co. KG | Nockenwellenverstelleinheit und Verfahren zum Betrieb der Nockenwellenverstelleinheit |
| US20240014706A1 (en) * | 2020-11-26 | 2024-01-11 | Schaeffler Technologies AG & Co. KG | Electric motor for an actuating device of a motor vehicle and method for mounting a camshaft adjuster |
| CN119641459A (zh) * | 2025-02-18 | 2025-03-18 | 泰州市瑞驰动力机械有限公司 | 一种凸轮轴调整装置 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9203921D0 (en) | 1992-02-24 | 1992-04-08 | Perkins Ltd | Variable timing gear device |
| DE19848706A1 (de) * | 1998-10-22 | 2000-04-27 | Schaeffler Waelzlager Ohg | Vorrichtung zur Relativverdrehung einer Nockenwelle gegenüber einer diese Nockenwelle antreibenden Kurbelwelle einer Brennkraftmaschine |
| US6328006B1 (en) | 1999-03-23 | 2001-12-11 | Tcg Unitech Aktiengesellschaft | Device for adjusting the phase angle of a camshaft of an internal combustion engine |
| JP2001107709A (ja) | 1999-10-06 | 2001-04-17 | Unisia Jecs Corp | 内燃機関のバルブタイミング制御装置 |
| DE10038354C2 (de) | 2000-08-05 | 2003-03-20 | Atlas Fahrzeugtechnik Gmbh | Steuereinrichtung zum Verstellen des Drehwinkels einer Nockenwelle |
| DE10205034A1 (de) | 2002-02-07 | 2003-08-21 | Daimler Chrysler Ag | Vorrichtung zum geregelten Verstellen der relativen Drehlage zwischen einer Kurbelwelle und einer Nockenwelle |
| JP3937164B2 (ja) | 2002-04-19 | 2007-06-27 | 株式会社デンソー | バルブタイミング調整装置 |
| DE10222475A1 (de) | 2002-05-22 | 2003-12-04 | Atlas Fahrzeugtechnik Gmbh | Getriebe mit zwei ineinander angeordneten Drehscheiben, die durch eine Taumelscheibe miteinander verbunden sind |
| DE10224446A1 (de) | 2002-06-01 | 2003-12-11 | Daimler Chrysler Ag | Vorrichtung zur relativen Winkelverstellung zwischen zwei rotierenden Elementen |
| JP3986371B2 (ja) * | 2002-06-07 | 2007-10-03 | 株式会社日立製作所 | 内燃機関のバルブタイミング制御装置 |
| US7089897B2 (en) * | 2002-07-11 | 2006-08-15 | Ina-Schaeffler Kg | Electrically driven camshaft adjuster |
| DE10248355A1 (de) | 2002-10-17 | 2004-04-29 | Ina-Schaeffler Kg | Nockenwellenversteller mit elektrischem Antrieb |
| DE102004062035A1 (de) | 2004-12-23 | 2006-07-27 | Schaeffler Kg | Vorrichtung zur Veränderung der Steuerzeiten einer Brennkraftmaschine |
| DE102004062067B4 (de) | 2004-12-23 | 2017-06-08 | Schaeffler Technologies AG & Co. KG | Vorrichtung zur Veränderung der Steuerzeiten einer Brennkraftmaschine |
-
2005
- 2005-12-15 DE DE102005059860A patent/DE102005059860A1/de not_active Withdrawn
-
2006
- 2006-11-28 WO PCT/EP2006/068964 patent/WO2007068576A1/de not_active Ceased
- 2006-11-28 US US12/097,678 patent/US8104439B2/en not_active Expired - Fee Related
- 2006-11-28 JP JP2008544931A patent/JP2009519402A/ja active Pending
- 2006-11-28 EP EP06819789.6A patent/EP1963628B1/de not_active Not-in-force
- 2006-11-28 CN CNU2006900000797U patent/CN201215030Y/zh not_active Expired - Lifetime
- 2006-11-28 KR KR1020087014252A patent/KR101369570B1/ko not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2007068576A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101369570B1 (ko) | 2014-03-04 |
| WO2007068576A1 (de) | 2007-06-21 |
| JP2009519402A (ja) | 2009-05-14 |
| KR20080079651A (ko) | 2008-09-01 |
| DE102005059860A1 (de) | 2007-07-05 |
| US8104439B2 (en) | 2012-01-31 |
| EP1963628B1 (de) | 2015-01-07 |
| US20080264365A1 (en) | 2008-10-30 |
| CN201215030Y (zh) | 2009-04-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1963628B1 (de) | Nockenwellenversteller | |
| DE112007002915B4 (de) | Verstelleinrichtung zur Phaseneinstellung einer Nockenwelle | |
| EP2796674B1 (de) | Zentralventil für einen Schwenkmotorversteller | |
| DE102013104051B4 (de) | Zentralventil für einen Schwenkmotorversteller | |
| EP1439285B1 (de) | Elektromagnetisches proportionalventil mit Bypass einer Nockenwellenverstelleinrichtung einer Brennkraftmaschine | |
| EP1963626B1 (de) | Nockenwellenversteller | |
| EP2386731A1 (de) | Hydraulikventil | |
| EP2870327B1 (de) | Schwenkmotorversteller mit einem hydraulikventil | |
| DE4139611A1 (de) | Getriebe mit einer verdraengerpumpe | |
| DE102009031701A1 (de) | Zentralventil eines Nockenwellenverstellers einer Brennkraftmaschine | |
| DE19853670B4 (de) | Einrichtung zur Nockenwellenverstellung | |
| EP1212517A1 (de) | Nockenwellenversteller für brennkraftmaschinen | |
| DE102010023864A1 (de) | Zentralventil | |
| EP1963629B1 (de) | Nockenwellenversteller | |
| DE112009001211T5 (de) | Solenoidventil für Steuereinrichtungen der variablen Ventilzeitsteuerung, und Steuersystem der variablen Ventilzeitsteuerung | |
| DE202010006605U1 (de) | Zentralventil | |
| DE4217910A1 (de) | Von einem Verbrennungsmotor angetriebene Hydraulikpumpe | |
| DE102005059841A1 (de) | Nockenwellenversteller | |
| DE102007054992B4 (de) | Brennkraftmaschine mit einem Zylinderkopf und mit einem Schmiermittelkreislauf | |
| EP2112336A1 (de) | Gemeinsame Ölversorgung des VCT und der Nockenwellenlager über eine hohle Nockenwelle | |
| DE102008010644A1 (de) | Nockenwellenversteller und Nockenwelle für eine Brennkraftmaschine | |
| DE102011000591B4 (de) | Zentralventil für einen Schwenkmotorversteller | |
| DE3943299A1 (de) | Kraftstoffeinspritzpumpe fuer brennkraftmaschinen | |
| EP3412944B1 (de) | Steuerventil | |
| DE102010013777A1 (de) | Zentralventil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 20080715 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE FR HU IT RO |
|
| DAX | Request for extension of the european patent (deleted) | ||
| RBV | Designated contracting states (corrected) |
Designated state(s): DE FR HU IT RO |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: SCHAEFFLER TECHNOLOGIES AG & CO. KG |
|
| 17Q | First examination report despatched |
Effective date: 20130730 |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG |
|
| GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
| INTG | Intention to grant announced |
Effective date: 20140806 |
|
| GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
| GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
| AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE FR HU IT RO |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 502006014155 Country of ref document: DE Effective date: 20150226 |
|
| RAP2 | Party data changed (patent owner data changed or rights of a patent transferred) |
Owner name: SCHAEFFLER TECHNOLOGIES AG & CO. KG |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R081 Ref document number: 502006014155 Country of ref document: DE Owner name: SCHAEFFLER TECHNOLOGIES AG & CO. KG, DE Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, 91074 HERZOGENAURACH, DE Effective date: 20150122 |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 502006014155 Country of ref document: DE |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20150107 |
|
| PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
| REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 10 |
|
| 26N | No opposition filed |
Effective date: 20151008 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20150107 |
|
| REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 11 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: HU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO Effective date: 20061128 |
|
| REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 12 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20191127 Year of fee payment: 14 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20200130 Year of fee payment: 14 |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 502006014155 Country of ref document: DE |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20201130 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20210601 |
|
| P01 | Opt-out of the competence of the unified patent court (upc) registered |
Effective date: 20230522 |