EP3186493A1 - Camshaft adjusting device for adjusting a position of at least one cam segment - Google Patents
Camshaft adjusting device for adjusting a position of at least one cam segmentInfo
- Publication number
- EP3186493A1 EP3186493A1 EP15750431.7A EP15750431A EP3186493A1 EP 3186493 A1 EP3186493 A1 EP 3186493A1 EP 15750431 A EP15750431 A EP 15750431A EP 3186493 A1 EP3186493 A1 EP 3186493A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- camshaft
- adjusting device
- inner shaft
- segment
- shaft
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/34413—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 composite camshafts, e.g. with cams being able to move relative to the camshaft
-
- 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
- F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L2001/0471—Assembled camshafts
- F01L2001/0473—Composite camshafts, e.g. with cams or cam sleeve being able to move relative to the inner camshaft or a cam adjusting rod
-
- 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
- F01L2001/0476—Camshaft bearings
-
- 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
- F01L2001/34479—Sealing of phaser devices
-
- 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
- F01L2250/00—Camshaft drives characterised by their transmission means
- F01L2250/02—Camshaft drives characterised by their transmission means the camshaft being driven by chains
-
- 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
- F01L2250/00—Camshaft drives characterised by their transmission means
- F01L2250/04—Camshaft drives characterised by their transmission means the camshaft being driven by belts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/2101—Cams
- Y10T74/2102—Adjustable
Definitions
- Camshaft adjusting device for adjusting a position of at least one cam segment
- the present invention relates to a camshaft adjusting device for
- Adjusting a position of at least one cam segment Basically, it is known that adjustable cams or cam segments with respect to their positioning on the shaft rod of a camshaft
- valve-controlled internal combustion engines especially for valve-controlled internal combustion engines to a targeted
- Cams arranged to one another or consisting of different cam contours can have a known outer shaft of the camshaft relative to a coaxial with the outer shaft
- phase divider which allows a rotation of the inner shaft relative to the outer shaft, so that a phase shift of the valve timing can be achieved or the opening duration of the valves can be varied.
- camshaft adjuster or phaser are known camshaft adjuster or phaser.
- Phase divider is placed in the region of the camshaft ends in the power transmission and has drive elements which are directly or indirectly connected to the crankshaft of the internal combustion engine and advantageously also driven by this. Adjustment elements of such a phaser are rotated relative to the drive elements due to a hydraulic actuation, thus allowing an intended phase adjustment of the camshaft relative to the crankshaft.
- a camshaft adjusting device for adjusting a position of at least one cam segment with the
- a motor vehicle drive for adjusting a phase position of at least one cam segment, has at least one camshaft and a phase splitter operatively connected to the camshaft.
- the camshaft itself has a shaft segment having at least one inner shaft and an outer shaft at least partially surrounding the outer shaft and a drive segment for driving the shaft segment and at least one cam segment connected positively and / or non-positively to at least the outer shaft.
- the phase divider has at least one rotor element and one stator element.
- a compensation element is arranged at least in sections between the rotor element and the drive segment for compensating component part tolerances between the camshaft and the phase splitter.
- the camshaft adjusting device has a camshaft whose outer shaft is advantageously designed in the form of a tube and in particular a hollow shaft through whose through-bore the inner shaft extends, so that the outer shaft and the inner shaft are arranged concentrically or coaxially with one another.
- the inner shaft is advantageously a solid shaft.
- the inner shaft is advantageous at least over radial bearings and / or axial bearings to the Outside shaft positioned and stored.
- the outer shaft at least one firmly connected to the outer shaft
- cam segment wherein on the inner shaft at least one movable cam segment, in particular an adjustment cam segment is arranged.
- the cam segment is understood to be a single cam or else an arrangement of at least two cams which are different from one another with respect to their geometric configuration and / or with respect to their positioning relative to the outer shaft or the inner shaft.
- Valve lift allows or the valve lift and in particular the
- Valve timing adjustment between the valves such as the
- Regulated inlet valves and the exhaust valves are provided.
- an optimization of the charge cycle of the internal combustion engine can be carried out and a correspondingly variable compression ratio can be made possible by varying the intake valve closing time to reduce the pollutant and CO 2 emissions.
- Exhaust aftertreatment systems such as the particulate filter regeneration and / or the control of exhaust gas turbocharger systems based on the variability of the exhaust valves allows.
- the drive segment is advantageously a gear, which is operatively connected to the outer shaft of the camshaft, in particular the shaft segment of the
- the drive segment is advantageously connected torsionally rigid with the outer shaft, wherein it may be positively and / or non-positively or materially connected to the outer shaft. It is conceivable that the drive segment with the outer shaft welded, pressed, soldered or connected using a correspondingly comparable joining method.
- a compensating element is arranged, which serves at least to compensate for the component tolerances between the camshaft and the phase divider, and in particular between the inner shaft and the outer shaft of the shaft segment, in order to advantage
- Sealing element in particular a sealing ring.
- the sealing element has a rectangular cross-section in order to contact a defined wall or surface of the rotor element and also to a defined wall or
- the compensating element advantageously also serves as a sealing element.
- the compensation element has a round, oval or geometrically deviating cross section, so that the shape of the
- Compensation element is not limited to a defined geometry.
- the compensation element has an elastic material, such as
- the compensating element has at least one inelastic and advantageously stiff or rigid material and in particular in the form of a steel element, such as designed in the form of a beam ring element.
- the compensating element is spring-loaded by means of a spring element, in particular spring-loaded.
- the spring element is advantageously a compression spring element or a compression spring, which applies a spring force to at least one region of the compensation element, so that it is pressed in the direction of the drive segment and consequently on this.
- Compensation element extends and applies a compressive force on the compensation element.
- the recess of the rotor element is advantageously a recess or a depression in which the spring element can advantageously be positioned without displacement. As a result, the spring element contacts or contacts the one
- Compensation element moves at least in the direction of the drive segment and contacts this directly, unless another component between the drive segment and the compensation element is positioned.
- the spring element is advantageously a sufficient contact pressure of the compensation element to the
- Drive segment and in particular a wall of the drive segment allows.
- the aforementioned spring element is arranged at least in sections in a recess or recess of the drive segment and extends in the direction of the rotor element.
- the compensation element located essentially between the spring element or the drive segment and the rotor element with a spring force
- the stator element is at least partially surrounded by the rotor element.
- the phase divider on an internal stator so that this at least partially from the rotor element is enclosed.
- the rotor element advantageously at least partially surrounds the stator element which extends radially outward from the camshaft, so that, for example, the formation of pressure chambers is made possible. It is advantageous by an appropriate training of
- Rotor element also an embodiment of a housing cover at least partially possible. Furthermore, this allows a direct contact between the compensation element and the drive segment.
- stator element at least
- the compensation element extends directly between the rotor element and the stator element and at least indirectly also between the rotor element and the drive segment.
- the compensation element is spring-loaded and in particular spring-loaded, as described above.
- the inner shaft prefferably mounted axially by means of the phase adjuster, in particular the stator element of the phaser.
- the inner shaft has a projection formed geometrically in the form of a shoulder, which fits in the form of a bearing shoulder at least partially, for example in a recess of the stator, so that the forces acting on the inner shaft in the axial direction via the Stator element can be added.
- the forces acting in the radial direction are advantageously also absorbed starting from the inner shaft by means of the stator element.
- the inner shaft is radially supported by means of the phaser, in particular of the stator. This advantageously reduces the tolerance to be compensated between the outer shaft and the inner shaft and the components connected thereto.
- stator element advantageously serves as an axial and radial bearing.
- This transmission element for transmitting a torque from the rotor element to the inner shaft.
- This transmission element which also as
- Intermediate element advantageously serves to transmit the torque from the rotor element of the phaser on the inner shaft to allow a phase shift of the cam or the cam segments.
- the transmission element is for example in the form of an intermediate ring
- the transmission element has, for example, an inelastic, advantageously non-deformable and heat and acid-resistant material, such as metal, ceramic or plastic. It is also possible that the
- Transmission element may have an elastic material, such as rubber.
- the rotor element is connected directly positively, positively and / or materially connected to the inner shaft. Consequently, the rotor element can be connected to the inner shaft, for example by the use of a press fit, it being also conceivable for the inner shaft and the rotor element to be welded together, soldered, screwed or joined together using a comparable joining method.
- the camshaft adjusting device has a connecting element for connecting the rotor element with the inner shaft. This connecting element is for example in the form of a
- Screw element and in particular a central screw designed.
- the connecting element serves to arrange the rotor element on the inner shaft such that a transmission of the torque from the
- Rotor element is allowed to the inner shaft. That means that
- Rotor element is placed on the inner shaft such that the torque is transmitted either directly to the inner shaft or indirectly via a transmission element, as previously named, to the inner shaft.
- the connecting element is designed to enable a regulation of an oil flow. Consequently, with a single component a plurality of functions realized in a camshaft adjusting device, so that it can be produced in a simple and cost-effective manner.
- the rotor element is at least one component of a housing of the camshaft adjusting device. It is possible that the housing and in particular the NockenverstellvorrichungsgePFuse is movably arranged or aligned relative to the stator, wherein the drive segment itself is movable relative to the housing and in particular rotatable about the axis of rotation of the camshaft adjusting device. Accordingly, it is possible that the rotor element and the drive segment together form a housing which is movably arranged relative to the stator element.
- stator element is formed integrally with the drive segment.
- stator and the stator are formed integrally with the drive segment.
- FIG. 1 shows a lateral sectional view of a further embodiment of a camshaft adjusting device according to the invention, in a lateral sectional view a third embodiment of a camshaft adjusting device according to the invention, and in a lateral sectional view a fourth embodiment of a camshaft adjusting device according to the invention.
- Fig. 1 is a schematic sectional side view of a
- the camshaft adjusting device has a camshaft 10 with a shaft segment 13 and at least one cam segment, not shown here, as well as a phase splitter 20.
- the shaft segment 13 consists of a
- the phase splitter 20 shown in FIG. 1 has a rotor element 21 and a stator element 22, wherein the rotor element 21 is the driving element, which applies a torque to the camshaft 10 and in particular the inner shaft 1 1 of the shaft segment 12 of the camshaft 10.
- the stator element 22 is an internal element which, viewed with respect to the entirety of the phaser 20, is almost completely and advantageously completely enclosed by the stator element 20 Rotor element 21 is surrounded.
- the rotor element 21 thus forms at least one component of a housing and in particular of a phaser housing.
- a drive segment 14 is shown, which is connected to the outer shaft 12 in order to drive the camshaft 10 or in
- the drive segment 14 is advantageous in the form of a gear, a pulley or a
- Sprocket configured which, for example, interacts with a second gear, belt element or chain element, not shown here, so that the camshaft 10 is rotated by the movement of a crankshaft, not shown here via a corresponding interacting with the drive segment element in rotation about its axis of rotation D.
- the compensation element 2 is spring-loaded.
- a spring element 3 which is advantageously a compression spring element, applies a defined compressive force to the compensation element 2, so that the compensation element 2 is pressed against a wall of the drive segment 14 at least in sections.
- the spring element 3 is advantageously at least partially introduced into a recess 4 of the rotor element 21, whereby slipping of the spring element 3 is avoided.
- the spring element 3 consequently extends starting from the recess 4 in the direction of the compensation element 2, which is accordingly arranged at the opening of the recess 4.
- the drive segment 14 has a recess 8 which is in the form of a
- Material recess extending from a surface of the drive segment 14 in the material thickness of the drive segment 14 extends.
- this recess 8 engages, for example, a portion of the rotor element 21, in particular the portion of the rotor element 21, on which the compensation element 2 is arranged.
- End region of the rotor element 21 is advantageously also a radial bearing between the rotor member 21 and the drive segment 14 allows.
- a transmission element 5 is shown, which serves to forward the torque generated by the rotor element 21 to the inner shaft 1 1 and to put the inner shaft 1 1 in rotational movement or rotation about its axis of rotation D.
- the transmission element 5 consequently serves as
- Rotor member 21 contacting arranged to the transmission element 5, so that on the side of the transmission element 5, which is opposite to the side which contacts the rotor element 21, a contact with the inner shaft 1 1 is made possible.
- the bearing element or axial bearing element 6 is arranged between the inner shaft 1 1 and the stator element 22, in order to allow the inner shaft 1 1 to be supported relative to the phase splitter 20 and in particular to the stator element 22 in the axial direction.
- the inner shaft 1 1 a shoulder 1 1 .1 or a bearing shoulder 1 1 .1, with which the inner shaft 1 1 the
- Axiallagerelement 6 contacted.
- an axial bearing of the inner shaft 1 1 means
- the dashed line of FIG. 1, indicated by the reference numeral 23, illustrates the arrangement of a wing element of the rotor element concealed on the basis of the present section.
- Design of this wing member 23 are advantageously defined by the geometric design, dimensions and / or nature of the compensation element and consequently the sealing edge to be sealed by this in the region of the rotor element or the drive segment, in particular to avoid a hydraulic short circuit.
- FIG. 2 shows a further embodiment of the invention
- Camshaft Verstellvornchtung 1 which essentially has the components mentioned in the Fig. 1, so that the previously listed in Fig.1
- Camshaft adjusting device 1 differs from the embodiment of a camshaft adjusting device 1 according to the invention shown in FIG. 1 in that the stator element 22, viewed in the axial direction, is no longer completely surrounded or enclosed by the rotor element 21.
- the rotor element 21 has a smaller dimension in the axial direction extending section compared to the embodiment shown in FIG. 1. Consequently, a clearance is formed between the rotor element 21 and the drive segment 14. Accordingly, it is possible for at least one section of the stator element 22 to extend at least in sections between the rotor element 21 and the drive segment 14, in particular between the compensation element 2 and the drive segment 14. As a result, the compensating element 2 is pressed against a wall of the stator element 22 by means of the spring element 3. Consequently, the configuration of the camshaft adjusting device 1 is advantageously not limited to one
- stator elements 22 of the phaser 1 can be used, with a compensation of component tolerances, as described above, can continue to be realized.
- a wing element 23 not visible in the present section, is also shown in FIG.
- Rotor element shown by a dashed line.
- Fig. 3 is a third embodiment of an inventive
- Camshaft adjusting device 1 which has substantially comparable or identical components to the embodiments shown in Figures 1 and 2, so that the description of the above-mentioned Fig. 1 and 2 is also applicable to the explanation of Fig. 3.
- FIG. 3 has no transmission element. Much more According to the embodiment of FIG. 3, that of the rotor element 21
- Camshaft adjusting device 1 in a simpler and more cost-effective manner.
- the inner shaft 1 1 can also be mounted radially and / or axially independently of the outer shaft 12.
- the outer shaft 12 serves a corresponding projection 22.1 of the stator 22. It is therefore possible that a wall of a bearing shoulder 1 1 .1 of the inner shaft 1 1 contacted a wall of the projection 22.1, both walls in the
- the end wall of the bearing shoulder 1 1 .1 is advantageously a wall extending in the axial direction, which is bounded by side walls extending correspondingly in the radial direction.
- FIG. 4 shows a fourth embodiment of the invention
- Camshaft adjusting device 1 is shown, wherein this embodiment also has components substantially comparable to those shown in FIGS. 1 to 3 of a camshaft adjusting device 1 according to the invention, so that reference is hereby made to the explanations regarding these embodiments shown in FIGS. can be.
- the embodiment of a camshaft adjusting device 1 shown in FIG. 4 differs in particular by the above-mentioned embodiments in that neither a transmission element nor a thrust bearing element is arranged. This advantageously saves the installation of additional components and allows the
- the bearing shoulder 1 1 .1 of the inner shaft 11 between the stator element 22 and the drive segment 14 is at least relatively low in motion arranged so that a movement of the bearing shoulder 1 1 .1 and consequently the inner shaft 1 1 in the axial direction, that is in the direction along the axis of rotation D, is avoided.
- Camshaft adjusting device are merely exemplary and do not justify completeness. Consequently, there are more, not named here
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014012496.7A DE102014012496A1 (en) | 2014-08-27 | 2014-08-27 | Cam adjustment device for adjusting a position of at least one cam segment |
PCT/EP2015/068755 WO2016030213A1 (en) | 2014-08-27 | 2015-08-14 | Camshaft adjusting device for adjusting a position of at least one cam segment |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3186493A1 true EP3186493A1 (en) | 2017-07-05 |
EP3186493B1 EP3186493B1 (en) | 2019-01-02 |
Family
ID=53836603
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15750431.7A Active EP3186493B1 (en) | 2014-08-27 | 2015-08-14 | Phasing device for altering angular position of at least one camshaft segment |
Country Status (7)
Country | Link |
---|---|
US (1) | US10309269B2 (en) |
EP (1) | EP3186493B1 (en) |
JP (1) | JP2017525892A (en) |
KR (1) | KR20170048333A (en) |
CN (1) | CN106795780B (en) |
DE (1) | DE102014012496A1 (en) |
WO (1) | WO2016030213A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018103029A1 (en) | 2018-02-12 | 2019-08-14 | ECO Holding 1 GmbH | Camshaft adjuster with compensation bearing |
CN108679198A (en) * | 2018-06-11 | 2018-10-19 | 王小君 | The device of wear compensation of cam drive |
CN108679199A (en) * | 2018-06-11 | 2018-10-19 | 王小君 | The compensation device of cam drive and its compensation method |
CN108757886A (en) * | 2018-06-11 | 2018-11-06 | 王小君 | A kind of compensation device of cam drive and its compensation method |
CN108679184A (en) * | 2018-06-11 | 2018-10-19 | 王小君 | A kind of device of wear compensation of cam drive |
EP3633157A1 (en) * | 2018-10-04 | 2020-04-08 | Mechadyne International Limited | Concentric camshaft axial position control |
CN112901301A (en) * | 2019-11-19 | 2021-06-04 | 舍弗勒技术股份两合公司 | Cam phase adjuster and machining method thereof |
DE102020205267A1 (en) * | 2020-04-27 | 2021-10-28 | Mahle International Gmbh | Device for positioning at least one shaft |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4218082C5 (en) * | 1992-06-01 | 2006-06-29 | Schaeffler Kg | Device for continuous angular adjustment between two shafts in drive connection |
JP2573350Y2 (en) | 1992-10-20 | 1998-05-28 | 株式会社ユニシアジェックス | Valve timing control device for internal combustion engine |
JPH0868305A (en) | 1994-08-30 | 1996-03-12 | Unisia Jecs Corp | Valve timing control device for internal combustion engine |
GB2433974A (en) * | 2006-01-04 | 2007-07-11 | Mechadyne Plc | Mounting of a SCP (single cam phaser) camshaft on an engine |
GB2440157B (en) * | 2006-07-20 | 2011-01-19 | Mechadyne Plc | Variable phase mechanism |
DE102009009252B4 (en) * | 2009-02-17 | 2017-10-26 | Schaeffler Technologies AG & Co. KG | Hydraulic camshaft adjuster with axial screw plug |
US9297281B2 (en) * | 2010-04-23 | 2016-03-29 | Borgwarner, Inc. | Concentric camshaft phaser flex plate |
JP5177715B2 (en) * | 2010-12-02 | 2013-04-10 | 株式会社デンソー | Valve timing adjusting device and assembling method thereof |
WO2012161944A2 (en) * | 2011-05-20 | 2012-11-29 | Borgwarner Inc. | Axial seal on rotor face for cam phaser |
CN103375212B (en) * | 2012-04-26 | 2016-12-28 | 日立汽车系统株式会社 | The variable valve gear of internal combustion engine |
DE102012105284B4 (en) * | 2012-06-18 | 2016-09-29 | Hilite Germany Gmbh | camshafts facility |
US9574466B2 (en) * | 2015-05-04 | 2017-02-21 | Schaeffler Technologies AG & Co. KG | Multi-position camshaft phaser with two one-way wedge clutches |
-
2014
- 2014-08-27 DE DE102014012496.7A patent/DE102014012496A1/en not_active Withdrawn
-
2015
- 2015-08-14 WO PCT/EP2015/068755 patent/WO2016030213A1/en active Application Filing
- 2015-08-14 CN CN201580045927.XA patent/CN106795780B/en active Active
- 2015-08-14 KR KR1020177003486A patent/KR20170048333A/en unknown
- 2015-08-14 US US15/506,535 patent/US10309269B2/en active Active
- 2015-08-14 JP JP2017510856A patent/JP2017525892A/en active Pending
- 2015-08-14 EP EP15750431.7A patent/EP3186493B1/en active Active
Also Published As
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US10309269B2 (en) | 2019-06-04 |
EP3186493B1 (en) | 2019-01-02 |
KR20170048333A (en) | 2017-05-08 |
DE102014012496A1 (en) | 2016-03-03 |
CN106795780A (en) | 2017-05-31 |
US20170254234A1 (en) | 2017-09-07 |
JP2017525892A (en) | 2017-09-07 |
WO2016030213A1 (en) | 2016-03-03 |
CN106795780B (en) | 2020-01-24 |
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