EP2539552A1 - Device for variably adjusting the control times of gas exchange valves of an internal combustion engine - Google Patents
Device for variably adjusting the control times of gas exchange valves of an internal combustion engineInfo
- Publication number
- EP2539552A1 EP2539552A1 EP11701503A EP11701503A EP2539552A1 EP 2539552 A1 EP2539552 A1 EP 2539552A1 EP 11701503 A EP11701503 A EP 11701503A EP 11701503 A EP11701503 A EP 11701503A EP 2539552 A1 EP2539552 A1 EP 2539552A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive
- bulge
- spring
- internal combustion
- combustion engine
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
-
- 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
-
- 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
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
- F01L2001/3445—Details relating to the hydraulic means for changing the angular relationship
- F01L2001/34483—Phaser return springs
Definitions
- the invention relates to a device for variably adjusting the timing of gas exchange valves of an internal combustion engine having a drive element, an output element and at least one side cover, wherein the drive element is brought into drive connection with a crankshaft of the internal combustion engine, wherein the output element in driving connection with a camshaft the internal combustion engine is engageable and is arranged pivotably to the drive element, wherein the side cover is arranged on an axial side surface of the output element or the drive element and rotatably connected to the drive element or the driven element, wherein on the input and the driven element facing away from the side tendeckels a spring element is arranged and wherein the side cover has a disc-shaped portion from which protrude a plurality of fastening elements in the axial direction, the reduce on the drive element are arranged on the other side of the side cover.
- devices for variable adjustment of the timing of gas exchange valves are used to adjust the phase relation between a crankshaft and a camshaft in a defined angular range, between a maximum early and a maximum late position variable.
- the device is integrated in a drive train via which torque is transmitted from the crankshaft to the camshaft.
- This drive train can be used, for example, as a belt, chain ten- or gear drive be realized.
- the device is non-rotatably connected to a camshaft and, for example, have one or more pressure chambers, by means of which the phase relation between the crankshaft and the camshaft can be selectively changed by pressure medium.
- Such a device is known for example from DE 10 2008 017 688 A1.
- the device has a drive element, an output element and two side covers, wherein the drive element is in driving connection with a crankshaft and the output element is non-rotatably attached to a camshaft.
- the output element is arranged in a defined angular interval pivotally to the drive element.
- the drive element, the output element and the side cover define a plurality of pressure chambers, which form a hydraulic actuator by means of which the phase angle between the output element and the drive element can be variably adjusted.
- the side covers are arranged on the axial side surfaces of the output element and the drive element and rotatably connected by screws with the drive element. The screws pass through the first side cover and the drive element and engage in each case a clamping nut, which are manufactured separately from the side cover and inextricably linked thereto.
- fastening element are formed integrally with the side cover.
- the fasteners are designed as cylindrical collars, which are provided with an internal thread and protrude in the axial direction of the Sode- disgust.
- a further device which has a spring element, which on the one hand on the output element and on the other hand engages the drive element.
- a screw by means of which a side cover is fastened to the drive element, projects out of the device.
- the spring element has a hook which is hooked into this protruding area.
- the present invention has for its object to propose a device with increased life and reliability.
- the disc-shaped portion on the spring element facing side surface has at least one bulge, which faces at least one spring coil of the spring element in the axial direction of the device.
- the device has a drive element and an output element, wherein the drive element is driven by a crankshaft of the internal combustion engine and the output element drives a camshaft of the internal combustion engine.
- the drive element can be in drive connection with the crankshaft, for example, by means of a traction mechanism or gear drive.
- the output member may be rotatably connected to the camshaft, for example.
- an actuator for example, a hydraulic actuator with at least two oppositely acting pressure chambers, provided by means of which the output member can be pivoted in a defined angular range relative to the drive element.
- a phase relation between the output element and the drive element is variably adjustable.
- a side cover On an axial side surface of the drive element and / or the output element, a side cover is provided which is rotatably connected to one of these components.
- the side cover on a disc-shaped portion, optionally with a central opening, which seals, for example, the pressure chambers in the axial direction.
- the side cover From the output Element or the Antnebselement remote axial side surface of the side cover protruding fasteners in the axial direction. These may be, for example, screw heads of screws or clamping nuts into which the screws engage.
- clamping nuts these can be firmly connected to the disk-shaped section before assembly of the side cover or be present as a separate component.
- fastening elements are formed integrally with the disk-shaped section, for example as cylindrical collars, which are provided with an internal thread.
- the disk-shaped portion is preceded by a spring element which, for example, as a helical spring, in particular as a spiral spring, is formed, and on the one hand acts on the output element and on the other hand on the drive element.
- a spring element By means of the spring element, the output element is acted upon relative to the drive element with a torque which can be used, for example, to compensate for friction losses or to achieve a base position with insufficient pressure medium.
- the disk-shaped section has at least one bulge on the side surface facing the spring element, which protrusion faces at least one spring winding of the spring element in the axial direction of the device.
- the bulge serves as a stop for the spring element. If the spring element is excited to axial vibrations, then it is true this on the spacer, whereby the vibration amplitudes are reduced. Thus, the vibration loads acting on the spring element decrease. Furthermore, the vibrations are damped. In addition, the rigidity of the disk-shaped portion is increased by the bulges.
- the extent of the bulge in the radial direction of the disc-shaped portion is formed such that each spring coil of the spring element of the bulge facing in the axial direction and thus each spring coil undergoes the desired damping.
- the bulge limits an axial movement of the spring coil such that it can not dip into a region radially within the fastening elements. Thus, it is prevented that the spring coil between the fastening elements jammed and so off the function of the spring element or the spring element is damaged.
- the bulge is formed integrally with the disc-shaped portion.
- the disc-shaped section on the side facing away from the spring element has a recess in the region of the bulge.
- the bulge is thus formed groove-shaped on the disc-shaped portion.
- the device has pressure chambers which are separated by vanes and projections, that the depression is arranged in the region of the pressure chambers, vanes and projections and that components of the group of vanes and projections are pivotable relative to the depression, wherein the recess is arranged outside the pivoting range of the pivotable components.
- a short circuit between two adjacent pressure chambers via the depression is effectively prevented.
- a plurality of groove-shaped bulges are provided, communicate the wells on the one hand with a pressure medium line and on the other hand in each case with a pressure chamber.
- the wells can be used for supplying pressure medium to the pressure chambers.
- the indentation can moreover be designed as a gate of a locking mechanism in which a locking element engages in order to produce a releasable, mechanical locking between the drive element and the abrading element.
- an insert may be provided in the recess to avoid hydraulic short circuits between the pressure chambers.
- the insert may be formed as a sliding element.
- the bulge is massive, i. as excess material on the spring element facing side of the disc-shaped portion is formed. This can be formed in one piece with the disc-shaped section, or manufactured separately from it and can be attached to it in a force, form or material fit.
- the bulge projects beyond the fastening elements in the axial direction at least in places or flush with them.
- the first side cover can, for example, by means of non-cutting forming process, for example a deep drawing process, by means of a sintering process, a metal or plastic injection molding process, by casting, forging or stamping package.
- the bulges can be provided with friction-reducing layers or anticorrosive layers or covered with a jacket of a sliding or protective material.
- Figure 1 only very schematically an internal combustion engine, a longitudinal section through an inventive device for variable adjustment of the timing of gas exchange valves of an internal combustion engine, a cross section through the device according to the invention along the line III-III in Figure 2, a plan view of the device along the arrow IV in FIG Figure 2, a view according to Figure 4, wherein a spring cover is not shown.
- FIG. 1 schematically shows an internal combustion engine 1 is sketched, wherein a seated on a crankshaft 2 piston 3 is indicated in a cylinder 4.
- the crankshaft 2 is in the illustrated embodiment via a respective traction drive 5 with an intake camshaft 6 and exhaust camshaft 7 in combination, wherein a first and a second device 1 1 for variably setting the timing of gas exchange valves 9, 10 for a relative rotation between the crankshaft 2 and the camshafts 6, 7 can provide.
- Cams 8 of the camshafts 6, 7 actuate one or more inlet gas exchange valves 9 or one or more Auslassgas scaffoldventile 10.
- Figures 2 and 3 show a device according to the invention 1 1 in L bugssl. Cross-section.
- the device 1 1 has a drive element 13, an output element 14 and two side covers 15, 16, which are arranged on axial side surfaces of the drive element 13 and secured by screws 12 thereto.
- the output element 14 is designed in the form of an impeller and has a substantially cylindrically designed hub element 17, from the outer cylindrical surface of which vanes 18 extend in the radial direction outwards.
- projections 20 extend radially inwards.
- the projections 20 are formed integrally with the peripheral wall 19.
- the drive element 13 is mounted by means of radially inner circumferential walls of the projections 20 relative to the output element 14 rotatably mounted on this.
- the drive element 13 is provided with a sprocket 21, via which by means of a chain drive, not shown, torque can be transmitted from the crankshaft 2 to the drive member 13.
- the output member 14 is rotatably connected in the assembled state with the camshaft, not shown in these figures, rotatably connected.
- a pressure chamber 22 is formed between each two circumferentially adjacent projections 20.
- Each of the pressure chambers 22 is circumferentially bounded by adjacent projections 20, axially of the side covers 15, 16, radially inwardly of the hub member 17, and radially outward of the peripheral wall 19.
- In each of the pressure chambers 22 protrudes a wing 18, wherein the wings 18 rest against both the side covers 15, 16, and on the peripheral wall 19.
- Each wing 18 thus divides the respective pressure chamber 22 into two oppositely acting pressure chambers.
- FIGs 4 and 5 show a plan view of the device 1 1 along the arrow IV of Figure 2, wherein in Figure 5, a spring cover 34 is not shown.
- the side cover 15 has a disk-shaped portion 23 and four fastening elements 24 and consists of a steel sheet.
- the fastening elements 24 are designed in the form of clamping nuts which are fastened form-fittingly in openings 33 of the disk-shaped section 23.
- the clamping nuts 24 protrude in the axial direction from the side surface of the disk-shaped section 23 facing away from the drive element 13.
- the clamping nuts 24 are each provided with an internal thread into which the screws 12 engage such that the rotationally fixed connection between the side covers 15, 16 and the drive element 13 is made.
- two of the four screws 12 project out of the respective clamping nut 24 in the axial direction.
- the length of the other screws 12 is chosen such that they do not protrude from the clamping nuts 24 in the assembled state.
- a biased spring element 25 ( Figures 2 and 4) is provided in the form of a coil spring.
- the coil spring is encompassed by a spring cover 34 and has a plurality of concentric spring coils 26 of different diameters.
- one end of the outermost spring coil 26 engages on the region of the first screw 12a protruding from the clamping nut 24 (FIG. 3).
- the outermost spring winding 26 is radially supported by the region of the second screw 12b protruding from the clamping nut 24.
- One end of the innermost spring coil 26 engages a protruding from the output member 14 Pin 27 on.
- the innermost spring coil 26 is supported radially inwardly on two further pins 27 projecting from the driven element 14.
- the biased spring element 25 is connected to both the drive member 13 and the output member 14 such that a torque between these components is mediated. This can serve, for example, to adjust the output element 14 in the case of insufficient supply of pressure medium to the device 11 in a base position or to adjust different adjustment speeds in the direction of earlier or later control times of the gas exchange valves 9, 10.
- the spring element 25 is excited to axial and radial vibrations, whereby individual spring coils 26 can dip into the region between the fastening elements 24.
- the dipping spring coil 26 is clamped between the fasteners 24, whereby the function of the device 1 1 is limited.
- increased wear on the spring element 25 occurs, and there is a risk that the spring element 25 breaks due to the increased load.
- five recesses 28 are provided on the disk-shaped portion 23, which extend in the direction of the spring element 25.
- the bulges 28 are formed by means of a chipless forming process, so that on the first side cover 15 recesses 29 are formed on the output member 14 side facing.
- Three first recesses 29 a are arranged in the region of pressure chambers 22 outside a pivoting range of the corresponding blade 18.
- a second recess 29b is arranged in a pivoting region of a wing 18, wherein the extension of the recess 29b in the circumferential direction is chosen smaller than the corresponding extent of the wing 18.
- a third recess 29c is arranged in the region of one of the projections 20, wherein the extension of Recess 29c is selected smaller in the circumferential direction, as the corresponding extent of the projection 20. In this way, a hydraulic short avoided circuit between two adjacent pressure chambers.
- a loading member 30 is inserted into the second recess 29b to further reduce the leakage between the pressure chambers and to improve the sliding contact between the first side cover 15 and the output member 14.
- the bulges 28 are formed and arranged such that each spring coil 26 faces each bulge 28 in the axial direction.
- the bulges 28 prevent the spring coils 26 from entering the region between the clamping nuts 24.
- the vibration amplitude is reduced and dampens the vibration.
- damage to the spring member 25 is prevented and reduces the stress caused by the vibrations.
- the axial side surfaces of the bulges 28 may be provided with a friction-reducing layer, for example a Teflon layer, or a wear-resistant layer.
- the output element 14 has a receptacle 31, in which a not shown, axially displaceable locking pin is received.
- the disc-shaped portion 23 has a slotted portion 32, into which the locking pin can engage in a certain phase position of the output element 14 relative to the drive element 13 in order to form a releasable, mechanical coupling between these two components.
- the slide 32 also projects out of the disk-shaped portion 23 and can serve as an axial stop for the spring element 25 in addition to the bulges 28.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010009394A DE102010009394A1 (en) | 2010-02-26 | 2010-02-26 | Device for variably setting the control times of gas exchange valves of an internal combustion engine |
PCT/EP2011/050972 WO2011104055A1 (en) | 2010-02-26 | 2011-01-25 | Device for variably adjusting the control times of gas exchange valves of an internal combustion engine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2539552A1 true EP2539552A1 (en) | 2013-01-02 |
EP2539552B1 EP2539552B1 (en) | 2013-12-18 |
Family
ID=44226000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11701503.2A Not-in-force EP2539552B1 (en) | 2010-02-26 | 2011-01-25 | Device for variably adjusting the control times of gas exchange valves of an internal combustion engine |
Country Status (6)
Country | Link |
---|---|
US (1) | US8671900B2 (en) |
EP (1) | EP2539552B1 (en) |
KR (1) | KR20130008014A (en) |
CN (1) | CN102791965B (en) |
DE (1) | DE102010009394A1 (en) |
WO (1) | WO2011104055A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010005602A1 (en) * | 2010-01-25 | 2011-07-28 | Schaeffler Technologies GmbH & Co. KG, 91074 | Phaser |
DE102010008005A1 (en) * | 2010-02-15 | 2011-08-18 | Schaeffler Technologies GmbH & Co. KG, 91074 | Stator cover unit and camshaft adjuster |
DE102011081971A1 (en) * | 2011-09-01 | 2013-03-07 | Schaeffler Technologies AG & Co. KG | Phaser |
DE102011086236B4 (en) | 2011-11-14 | 2017-03-09 | Schaeffler Technologies AG & Co. KG | Connection between a spur gear and a toothed shaft of a camshaft adjusting unit |
DE102012217393A1 (en) * | 2012-09-26 | 2014-03-27 | Schaeffler Technologies Gmbh & Co. Kg | Phaser |
DE102013204659A1 (en) | 2013-03-18 | 2014-09-18 | Schaeffler Technologies Gmbh & Co. Kg | Phaser |
KR101812913B1 (en) * | 2014-02-14 | 2017-12-27 | 아이신세이끼가부시끼가이샤 | Valve opening/closing timing control device |
CN105650241A (en) * | 2015-12-10 | 2016-06-08 | 刘元生 | Adjustable timing gear of engine |
US20220316366A1 (en) * | 2019-10-21 | 2022-10-06 | Mitsubishi Electric Corporation | Valve timing adjustment device |
US11560816B1 (en) | 2021-07-16 | 2023-01-24 | Schaeffler Technologies AG & Co. KG | Spring retainer retention tab for bias spring |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5095857A (en) * | 1990-07-17 | 1992-03-17 | Eaton Corporation | Self actuator for cam phasers |
DE19708661B4 (en) | 1997-03-04 | 2005-06-16 | Ina-Schaeffler Kg | Device for varying the valve timing of an internal combustion engine, in particular camshaft adjusting device according to the vane cell principle |
DE10007200A1 (en) | 2000-02-17 | 2001-08-23 | Schaeffler Waelzlager Ohg | Device for changing the control times of gas exchange valves of an internal combustion engine |
DE10215879A1 (en) * | 2002-04-11 | 2003-10-23 | Ina Schaeffler Kg | Device for changing the timing of gas exchange valves of an internal combustion engine, in particular a device for the hydraulic rotation angle adjustment of a camshaft relative to a crankshaft |
US6619248B1 (en) * | 2002-04-17 | 2003-09-16 | Ina-Schaeffler Kg | Device for altering the control timing of gas exchange valves of an internal combustion engine, especially an apparatus for hydraulic rotational angle adjustment of a camshaft relative to a crankshaft |
DE102005024241B4 (en) | 2005-05-23 | 2017-08-17 | Schaeffler Technologies AG & Co. KG | Device for the variable adjustment of the timing of gas exchange valves of an internal combustion engine |
DE102006002993A1 (en) * | 2006-01-21 | 2007-08-09 | Schaeffler Kg | Camshaft adjuster for an internal combustion engine |
DE102006036052B4 (en) * | 2006-08-02 | 2018-03-08 | Schaeffler Technologies AG & Co. KG | Sealing plate for a camshaft adjuster and camshaft adjuster with a sealing plate |
CN201110201Y (en) * | 2007-09-17 | 2008-09-03 | 靳宇男 | Interface distribution engine |
DE102008017688A1 (en) | 2008-04-08 | 2009-10-15 | Schaeffler Kg | Device for the variable adjustment of the timing of gas exchange valves of an internal combustion engine |
-
2010
- 2010-02-26 DE DE102010009394A patent/DE102010009394A1/en not_active Withdrawn
-
2011
- 2011-01-25 WO PCT/EP2011/050972 patent/WO2011104055A1/en active Application Filing
- 2011-01-25 KR KR1020127022118A patent/KR20130008014A/en not_active Application Discontinuation
- 2011-01-25 CN CN201180011322.0A patent/CN102791965B/en not_active Expired - Fee Related
- 2011-01-25 EP EP11701503.2A patent/EP2539552B1/en not_active Not-in-force
- 2011-01-25 US US13/580,476 patent/US8671900B2/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2011104055A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN102791965B (en) | 2014-10-29 |
CN102791965A (en) | 2012-11-21 |
WO2011104055A1 (en) | 2011-09-01 |
US8671900B2 (en) | 2014-03-18 |
US20120318222A1 (en) | 2012-12-20 |
DE102010009394A1 (en) | 2011-09-01 |
KR20130008014A (en) | 2013-01-21 |
EP2539552B1 (en) | 2013-12-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2539552B1 (en) | Device for variably adjusting the control times of gas exchange valves of an internal combustion engine | |
EP2478192B1 (en) | Device for variably adjusting the control times of gas exchange valves of an internal combustion engine | |
DE102009050779B4 (en) | Schwenkmotornockenwellenversteller with a friction disc and mounting method | |
DE102012202520B4 (en) | Central valve for a camshaft adjuster | |
DE102008050134B4 (en) | Camshaft adjustment device for an internal combustion engine | |
WO2011023488A1 (en) | Control valve | |
WO2017017058A1 (en) | Camshaft adjuster | |
WO2010043462A1 (en) | Device for variably adjusting the valve timing of gas exchange valves of an internal combustion engine | |
EP2539555B1 (en) | Device for variably adjusting the control times of gas exchange valves of an internal combustion engine | |
DE102008019746A1 (en) | Device for variable adjustment of valve timings of charge-cycle valves of internal combustion engine, has two drive elements and side cap, where former drive element is brought in drive connection with crankshaft | |
DE102010008003A1 (en) | feeder | |
DE4332660A1 (en) | Valve gear with controllable bucket tappets driven by two cams for internal combustion engines | |
DE102008051755A1 (en) | Control time adjusting device for gas exchange valve of internal-combustion engine, has spring element resting against separately at pin formed to output and input elements, where pin is bolted with output or input element by thread section | |
DE102012203114A1 (en) | Insert for camshaft adjuster with central locking | |
DE102012202823B4 (en) | Phaser | |
DE69110642T2 (en) | Valve control control system for internal combustion engines. | |
EP2362074B1 (en) | Device for variable valve timing on a combustion engine | |
DE102015214623A1 (en) | Camshaft adjusting device | |
DE102009051309B4 (en) | Device for the variable setting of the control times of gas exchange valves of an internal combustion engine | |
DE102004062038B4 (en) | Device for changing the timing of an internal combustion engine | |
WO2016165699A1 (en) | Camshaft adjuster with an axial pre-tensioning element | |
DE102008037997A1 (en) | Device for variable adjustment of control times of gas-exchange valves of internal combustion engine, has drive element, output element and separating element | |
DE102017109006A1 (en) | Phaser | |
WO2010034575A1 (en) | Device for variably adjusting the valve timing of gas exchange valves of an internal combustion engine | |
WO2016062310A1 (en) | Stator for a camshaft adjuster, having a force-receiving component fastened to the stator |
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: 20120926 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAX | Request for extension of the european patent (deleted) | ||
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
INTG | Intention to grant announced |
Effective date: 20130905 |
|
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): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: REF Ref document number: 645759 Country of ref document: AT Kind code of ref document: T Effective date: 20140115 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: LANGUAGE OF EP DOCUMENT: GERMAN |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 502011001846 Country of ref document: DE Effective date: 20140213 |
|
RAP2 | Party data changed (patent owner data changed or rights of a patent transferred) |
Owner name: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R081 Ref document number: 502011001846 Country of ref document: DE Owner name: SCHAEFFLER TECHNOLOGIES AG & CO. KG, DE Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES AG & CO. KG, 91074 HERZOGENAURACH, DE Effective date: 20140214 Ref country code: DE Ref legal event code: R081 Ref document number: 502011001846 Country of ref document: DE Owner name: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, DE Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES AG & CO. KG, 91074 HERZOGENAURACH, DE Effective date: 20140214 |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: VDEP Effective date: 20131218 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NO 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: 20140318 Ref country code: FI 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: 20131218 Ref country code: HR 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: 20131218 Ref country code: LT 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: 20131218 Ref country code: SE 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: 20131218 |
|
REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG4D |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LV 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: 20131218 Ref country code: RS 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: 20131218 |
|
BERE | Be: lapsed |
Owner name: SCHAEFFLER TECHNOLOGIES A.G. & CO. KG Effective date: 20140131 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: EE 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: 20131218 Ref country code: IS 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: 20140418 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CZ 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: 20131218 Ref country code: PL 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: 20131218 Ref country code: NL 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: 20131218 Ref country code: CY 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: 20131218 Ref country code: SK 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: 20131218 Ref country code: LU 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: 20140125 Ref country code: PT 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: 20140418 Ref country code: ES 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: 20131218 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: 20131218 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 502011001846 Country of ref document: DE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC 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: 20131218 |
|
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 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20140131 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20140131 Ref country code: DK 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: 20131218 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20140930 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: MM4A |
|
26N | No opposition filed |
Effective date: 20140919 |
|
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: 20140218 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 502011001846 Country of ref document: DE Effective date: 20140919 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20140125 Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20140131 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R081 Ref document number: 502011001846 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: 20150408 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SI 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: 20131218 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20150125 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20150125 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MT 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: 20131218 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SM 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: 20131218 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GR 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: 20140319 Ref country code: BG 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: 20131218 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: 20131218 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR 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: 20131218 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: 20110125 |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: MM01 Ref document number: 645759 Country of ref document: AT Kind code of ref document: T Effective date: 20160125 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20160125 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MK 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: 20131218 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AL 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: 20131218 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20210319 Year of fee payment: 11 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 502011001846 Country of ref document: DE |
|
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: 20220802 |
|
P01 | Opt-out of the competence of the unified patent court (upc) registered |
Effective date: 20230522 |