EP3149292A1 - Ventilsteuersystem mit einer verstellbaren nockenwelle - Google Patents
Ventilsteuersystem mit einer verstellbaren nockenwelleInfo
- Publication number
- EP3149292A1 EP3149292A1 EP15719446.5A EP15719446A EP3149292A1 EP 3149292 A1 EP3149292 A1 EP 3149292A1 EP 15719446 A EP15719446 A EP 15719446A EP 3149292 A1 EP3149292 A1 EP 3149292A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stop
- outer shaft
- counter
- inner shaft
- control system
- 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
- 210000000078 claw Anatomy 0.000 claims description 53
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 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 2
- 230000003993 interaction Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification 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
- F01L1/34413—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
-
- 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
- F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
-
- 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
- F01L2001/028—Pre-assembled timing arrangement, e.g. located in a cassette
-
- 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
- F01L2001/0475—Hollow camshafts
Definitions
- the present invention relates to a valve control system having at least one adjustable camshaft, comprising an outer shaft and an inner shaft extending through the outer shaft, and having at least one phase divider comprising a first actuator and a second actuator rotatable against the first actuator, wherein the outer shaft and the Inner shaft are each connected to an actuator.
- a generic valve control system is known from DE 10 2008 005 292 A1.
- the valve control system has an adjustable camshaft, and the adjustable camshaft is composed of an outer shaft and an inner shaft, and on the outer shaft are rotatably received cam members which are connected via bolts with the inner shaft. If the inner shaft is twisted in the outer shaft, so rotate the cam elements on the outer shaft together with the inner shaft. Furthermore, there are fixedly arranged on the outer shaft cam elements, and the inner shaft is rotated in the outer shaft during operation of the valve control system by a phase divider, the control times can be determined separately, for example, from intake valves and exhaust valves.
- the phase divider serves.
- the phase divider comprises a first actuator, formed by a stator and a second actuator, formed by a rotor which is rotatably received in the stator.
- a plurality of wing elements are arranged, and the wing elements can be applied hydraulically in vane, so that the rotation of the second actuator, so the rotor in the first actuator, ie in the stator, is possible.
- a rotation of the inner shaft in the outer shaft often takes place in a very short time, which is made possible by a correspondingly strong hydraulic loading of the wing elements in the hydraulic vane.
- this can lead to damaging attacks of the wing elements on the so-called early and late attacks, and the attacks are formed by the walls of the chambers in the stator.
- wing elements must be mounted on the rotor, which are made relatively thin.
- thin executed wing elements can experience damage when a strong fluid loading for very short-term adjustment of the rotational position of the inner shaft in the outer shaft is required.
- adjustable camshafts have bolts for connecting the rotatable cam members to the inner shaft, and the bolts are passed through passages in the outer shaft. These passages have a limited longitudinal extent in the circumferential direction of the outer shaft, and the bolts can be rotated over the desired angle of rotation in the passages. In this case, the bolts can strike against the end regions of the passages, which can also lead to damage of the adjustable camshaft, so that a striking of the bolts on the passages is to be avoided.
- the object of the invention is the development of a valve control system with an adjustable camshaft and with a phase divider, wherein the valve control system should be operable without damage at large adjustment angles of the inner shaft in the outer shaft.
- damage caused by a Limiting the angle of rotation of the inner shaft can be avoided in the outer shaft.
- the invention includes the technical teaching that at least a stop is provided, which is rotationally coupled to the outer shaft, and that at least one counter-stop is provided which is rotationally coupled to the inner shaft, wherein the maximum angle of rotation of the inner shaft in the outer shaft by a Adjacent of the stop to the counter-stop is determined.
- the invention is based on the advantageous possibility, regardless of the limited angle of rotation of the second actuator in the first actuator of the phase adjuster and regardless of the limitation of a rotation angle of a bolt in a passage of the outer shaft to use a stop and a counter-stop, by the angle of rotation of the inner shaft is limited in the outer shaft of the adjustable camshaft and thus the second actuator in the first actuator of the phaser.
- a stop is provided, which can interact with a counter-stop, wherein the stop on the outer shaft and the counter-stop on the inner shaft are rotationally coupled.
- a stop on the inner shaft can be provided, which can interact with a counter-stop on the outer shaft.
- the stop occurs mechanically interacting with the counter-stop by the stop has a surface which comes into contact against a counter surface on the counter-stop.
- the separate rotation angle limit allows a robust design, independent of relatively thin wing elements in the phase divider and independent of the passage of bolts through passages in the outer shaft of the adjustable camshaft. Consequently, in particular neither the wing elements in the phase divider nor the bolts and the passages of the outer shaft have to satisfy particular strength requirements, since a Angle of rotation limiting previously achieved according to the invention by the stop in interaction with the counter-stop.
- the valve control system according to the invention may comprise one or more camshafts.
- the valve control system may have two camshafts arranged parallel to one another, which are in particular coupled to one another.
- the coupling can be done for example via so-called dual-phaser so that phase-dividers are arranged on one of the two or on both camshafts and can be in operative connection with each other.
- the stop according to the invention and the counter-stop can be arranged on one or both camshafts.
- the stop may be formed by at least one claw and the counter-stop may have projections between which at least one recess is formed. In this recess, the at least one claw may protrude.
- the counter-abutment may be formed with a number of protrusions, by which an equal number of recesses is produced, and according to the number of recesses the abutment has an equal number of claws, so that, for example, a claw projects into each recess.
- the stop can be crown-like, and the counter-stop is formed in a star shape, so that the number of claws corresponds to the number of protrusions or recesses.
- the valve control system may include a drive wheel disposed on the outer shaft and for rotationally driving the variable camshaft.
- a stop disc may be provided and accommodated on the drive wheel, which has at least one claw and preferably also a plurality of claws for forming the stop.
- the counter-stop can be arranged on the inner shaft and in particular in one piece as at least one projection, preferably also several times, be integrally formed thereon, and the projection or the projections can interact with the stop disc.
- the projections may extend into spaces between the claws formed on the stop disc.
- the stop can be formed as a claw extension and arranged at the end of the outer shaft or formed on this.
- the counter-abutment can be formed by a pin element which is arranged corresponding to the claw extension on the inner shaft, wherein pins of the pin element can protrude radially outwardly into the interstices of the claw extension.
- the variant for the formation of the stop and the counter-attack, formed by a claw extension and a pin member, for example, without modification of existing camshaft constructions can be subsequently arranged on a valve control system, and for example, the claw extension can be integrally formed with the outer shaft and the pin member can, for example a screw on the front side of the inner shaft end attached.
- the stop can have four claws or four claw extensions, and the counter-stop can have four recesses or four intermediate spaces.
- the adjustable camshaft or the phase divider receives a mechanically highly loadable stop, which can be designed wear-resistant, and even with large hydraulic loads of the vane element of the phaser, the rotation angle limit of the inner shaft can be designed wear-free in the outer shaft.
- this can have a drive wheel, for example a sprocket or a toothed belt wheel.
- the drive wheel is used for rotating drive of the adjustable camshaft and is driven by the traction means, that is, for example via a chain or a toothed belt, through the crankshaft of an internal combustion engine.
- the stop can be integrated, for example, in the drive wheel.
- the counter-stop in the hub region of the drive wheel may be formed on the inner shaft, wherein the drive wheel is connected to the outer shaft, for example, this may be welded to the tubular outer shaft.
- the projections of the counter-stop can point radially outward and with the example abut axially projecting claws on the stop disc.
- the claws can also be integrally formed with the drive wheel and, for example, integrally formed thereon.
- the stop and the counter-stop can be integrated in the phase divider.
- the stop disc can be arranged on the phase divider, for example on the first actuator.
- the counter-stop can be arranged, for example, on the second actuator and interact with the claws on the stop plate.
- the valve control system can be executed with the stop according to the invention and the counter-stop, that the limited by the stop or the counter stop angle of rotation of the inner shaft in the outer shaft is smaller than the maximum angle of rotation of the second actuator relative to the first actuator.
- adjustable cam elements may be rotatably received, which are connected by a bolt with the inner shaft, wherein the bolts are passed through passages in the outer shaft, and wherein the limited by the stop and the counter-rotation of the inner shaft in the outer shaft is smaller as the maximum angle of twist of the bolts in the passages.
- the invention further relates to an adjustable camshaft of a valve control system having an outer shaft and an inner shaft extending through the outer shaft, wherein a stop is provided, which is rotationally fixedly coupled to the outer shaft, and wherein a counter-stop is provided, which is provided with the inner shaft is coupled rotationally fixed, wherein the maximum angle of rotation of the inner shaft in the outer shaft is determined by an abutment of the stop against the counter-stop.
- the stop can be formed as a claw extension and be arranged on the outer shaft end side or formed on this, wherein intermediate spaces may be formed between the jaws of the claw extension.
- the counter-stop can be formed by a pin element, which can be arranged corresponding to the claw extension end to the inner shaft, wherein pins of the pin member protrude radially outwardly into the interstices of the claw extension.
- the adjustable camshaft can be designed to be coupled to a phase divider, wherein the stop and / or the counter-stop can interact with the phase divider. Furthermore, the adjustable camshaft, in particular the outer shaft, connected to a drive wheel or be made in one piece with this, and the stop and / or the counter-stop can interact directly or by appropriate means, for example with a stop disc with the drive wheel.
- FIG. 1 shows a cross-sectional view through a valve control system with an adjustable camshaft and a phase splitter
- Figure 2 is a view of the detail Z of Figure 1 in an enlarged
- FIG. 3 shows a representation of the section H - H according to FIG. 1,
- Figure 4 is a perspective view of the inner shaft with a
- Figure 5 is a perspective view of the inner shaft
- FIG. 6 shows a perspective view of the stop disc
- Figure 7 is a cross-sectional perspective view
- FIG. 8 shows a perspective view of the variant according to FIG. 7 of FIG.
- Figure 1 shows in a cross-sectional view of a valve control system 1 with an adjustable camshaft 10 and with a phase splitter 13.
- the adjustable camshaft 10 has an outer shaft 1 1 and an inner shaft 12, and the inner shaft 12 extends through the tubular outer shaft 1 1 therethrough ,
- cam elements 25 are rotatably received and rotatably connected with bolts 26 with the inner shaft 12, and the inner shaft 12 is rotated in the outer shaft 1 1, rotate with the inner shaft 12, the cam elements 25 on the outside of the outer shaft. 1 1.
- phase divider 13 To generate the rotation of the inner shaft 12 in the outer shaft 1 1 is the phase divider 13, which is shown only schematically.
- the phase divider 13, a first actuator 14 and a second actuator 15, and the actuators 14 and 15 may be formed as a stator and a rotor and acted upon hydraulically, as shown in DE 10 2008 005 292 A1.
- a drive wheel 20 Adjacent to the phase splitter 13, a drive wheel 20 is connected to the outer shaft 1 1, via which the camshaft 10 can be rotated.
- the adjustment of the angle of rotation of the inner shaft 12 in the outer shaft 1 1 takes place during operation of the camshaft 10, and to limit the rotational angle of the inner shaft 12 in the outer shaft 1, serves according to the embodiment shown a Stop disc 21, on which a stop 16 is formed, which can be brought into operative connection with a counter-stop 17 on the outer shaft 12.
- FIG. 2 shows the detail Z of the adjustable camshaft 10 with the outer shaft 11 and with the inner shaft 12 extending through the outer shaft 11, and a drive wheel 20 is shown which is connected to the outer shaft 11. Not shown is deviating from Figure 1, a phase divider.
- a stop plate 21 is arranged via screw elements 30, and the stop plate 21 has stops 16 which protrude axially in the form of claws 18 from the plane of the stop plate 21 into the hub of the drive wheel 20 inside.
- the claws 18 are located over the outside of the inner shaft 12 and can interact with counter-attacks, as explained in more detail in connection with the following Figure 3, which represents a section along the section line H-H of Figure 1.
- FIG. 3 shows a cross section along the section line H - H through the drive wheel 20 according to FIG. 1, wherein the cutting line is designed such that the claws 18 also lie in the sectional plane to form the stop 16 of the stop disk 21.
- the cross-sectional view makes it clear that on the inner shaft 12 counterstops in the form of projections 27 are formed, which protrude radially from the inner shaft 12 to the outside and form the counter-stop 17.
- the projections 27 extend into recesses 19, which are formed between the claws 18 of the stop disc 21.
- FIGS. 1 to 3 shows a stop disc 21 with four claws 18, so that four recesses 19 are formed between the claws 18.
- projections 27 extend, so that four projections 27 are formed on the inner shaft 12.
- Figure 4 shows a perspective view of the stop plate 21 in arrangement over the inner shaft 12, without the drive wheel 20 is shown for receiving the stop plate 21 with the outer shaft 1 1. Due to the reduced view, it can be seen that the projections 27 extend into the recesses 19 between the claws 18, whereby, analogously, the claws 18 of the stop disc 21 extend in spaces between the projections 27. Due to the thus enabled interaction of the jaws 18 with the projections 27, the angle of rotation of the inner shaft 12 is limited relative to the stop plate 21.
- FIG. 5 shows, without the stop disk 21 according to FIG. 4, the inner shaft 12 with the projections 27, between which the recesses 19 are located, as a result of which the counterstop 17 is formed.
- the view shows four protrusions 27 integrally formed with the inner shaft 12 and, for example, the inner shaft 12 can be prepared by a turning operation, and the recesses 19 are then manufactured by intermittent milling.
- FIG. 6 shows a perspective view of the stop disc 21 with the axially projecting jaws 18, and the claw 18 forms the stop 16, which can interact accordingly with the counter stop 17 according to FIG.
- Figures 7 and 8 show in a sectioned ( Figure 7) and a non-cut ( Figure 8) perspective view of a further embodiment of the formation of the stop 16 and the counter-stop 17, the end of the adjustable camshaft 10 with the outer shaft 1 1 and the Inner shaft 12 are arranged.
- the stop 16 is in the form of a claw extension 22 end formed on the outer shaft 1 1, and by the claw extension 22 gaps 28 are formed.
- the end of the outer shaft 1 1 is thus formed approximately crown-shaped and there are exemplified two spaces 28 formed.
- the counter-stop 17 is formed by a pin member 23, which corresponds to the claw extension 22 end to the inner shaft 12th is arranged.
- the pin member 23 has, by way of example, two pins 24 which are arranged diametrically opposite one another at 180 ° and project radially outward into the intermediate spaces 28 of the claw extension 22. If the inner shaft 12 is rotated in the outer shaft 1 1, the pins 24 come into contact with the edges of the intermediate spaces 28, whereby the angle of rotation is limited by the corresponding desired amount.
- the pin member 23 is attached via a screw 29 on the end side of the inner shaft 12 and thus designed as a single part.
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 |
---|---|---|---|
DE102014107459.9A DE102014107459A1 (de) | 2014-05-27 | 2014-05-27 | Ventilsteuersystem mit einer verstellbaren Nockenwelle |
PCT/EP2015/058680 WO2015180896A1 (de) | 2014-05-27 | 2015-04-22 | Ventilsteuersystem mit einer verstellbaren nockenwelle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3149292A1 true EP3149292A1 (de) | 2017-04-05 |
EP3149292B1 EP3149292B1 (de) | 2019-08-07 |
Family
ID=53016592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15719446.5A Active EP3149292B1 (de) | 2014-05-27 | 2015-04-22 | Ventilsteuersystem mit einer verstellbaren nockenwelle |
Country Status (5)
Country | Link |
---|---|
US (1) | US10060304B2 (de) |
EP (1) | EP3149292B1 (de) |
CN (1) | CN106471221A (de) |
DE (1) | DE102014107459A1 (de) |
WO (1) | WO2015180896A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015112475B4 (de) * | 2015-07-30 | 2022-06-23 | Thyssenkrupp Presta Teccenter Ag | Verstellnockenwelle |
DE102016109444A1 (de) * | 2016-05-23 | 2017-11-23 | Thyssenkrupp Ag | System aus einer Nockenwelle und einer Nockenwellenhülse |
DE102017205155A1 (de) | 2017-03-27 | 2018-09-27 | Mahle International Gmbh | Ventiltrieb für eine Brennkraftmaschine |
DE102017205151A1 (de) | 2017-03-27 | 2018-09-27 | Mahle International Gmbh | Ventiltrieb für eine Brennkraftmaschine |
DE102017122425A1 (de) * | 2017-09-27 | 2019-03-28 | ECO Holding 1 GmbH | Bausatz mit einem Nockenwellenversteller |
USD902252S1 (en) * | 2018-06-04 | 2020-11-17 | Transportation IP Holdings, LLP | Modular cam shaft |
EP3633157A1 (de) * | 2018-10-04 | 2020-04-08 | Mechadyne International Limited | Konzentrische nockenwellenaxiallageregelung |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4122251C2 (de) * | 1990-07-18 | 2000-02-17 | Volkswagen Ag | Nockenwellenanordnung mit zumindest einem Schwenknocken |
SK16982000A3 (sk) * | 1998-05-12 | 2001-04-09 | Trochocentric International Ag | Prestavovacie zariadenie na prestavenie fázovej polohy hriadeľa |
DE10335423A1 (de) * | 2003-07-25 | 2005-02-24 | Hydraulik-Ring Gmbh | Verstelleinrichtung für Nockenwellen von Kraftfahrzeugen |
JP4257227B2 (ja) * | 2004-02-17 | 2009-04-22 | 株式会社日立製作所 | 内燃機関の動弁装置 |
DE102005014680A1 (de) * | 2005-02-03 | 2006-08-10 | Mahle International Gmbh | Nockenwelle mit gegeneinander verdrehbaren Nocken für insbesondere Kraftfahrzeuge |
GB2424256A (en) * | 2005-03-16 | 2006-09-20 | Mechadyne Ltd | SCP assembly with spring mounted on camshaft rather than within phaser housing |
GB2444943B (en) * | 2006-12-19 | 2011-07-13 | Mechadyne Plc | Camshaft and phaser assembly |
DE102008005292B4 (de) | 2008-01-19 | 2021-01-28 | Schaeffler Technologies AG & Co. KG | Nockenwellenverstellsystem |
DE102008025781A1 (de) * | 2008-05-29 | 2009-12-10 | Thyssenkrupp Presta Teccenter Ag | Verstellbare Nockenwellenanordnung |
DE102009008871A1 (de) * | 2009-02-13 | 2010-08-19 | Daimler Ag | Phasenverstellvorrichtung |
EP2530259B1 (de) * | 2010-01-25 | 2016-07-20 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Variable ventilsteuerung für einen verbrennungsmotor |
CN102686911B (zh) * | 2010-12-28 | 2015-03-11 | 丰田自动车株式会社 | 双重凸轮轴结构及双重凸轮轴结构的组装方法 |
DE102011052819A1 (de) * | 2011-08-18 | 2013-02-21 | Thyssenkrupp Presta Teccenter Ag | Nockenwelle, insbesondere für Kraftfahrzeugmotoren |
JP5426626B2 (ja) * | 2011-09-03 | 2014-02-26 | 本田技研工業株式会社 | 開弁特性可変型内燃機関 |
JP5778598B2 (ja) * | 2012-02-21 | 2015-09-16 | 日立オートモティブシステムズ株式会社 | 内燃機関の可変動弁装置 |
-
2014
- 2014-05-27 DE DE102014107459.9A patent/DE102014107459A1/de not_active Ceased
-
2015
- 2015-04-22 WO PCT/EP2015/058680 patent/WO2015180896A1/de active Application Filing
- 2015-04-22 EP EP15719446.5A patent/EP3149292B1/de active Active
- 2015-04-22 US US15/313,032 patent/US10060304B2/en active Active
- 2015-04-22 CN CN201580029173.9A patent/CN106471221A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
US20170204751A1 (en) | 2017-07-20 |
CN106471221A (zh) | 2017-03-01 |
EP3149292B1 (de) | 2019-08-07 |
US10060304B2 (en) | 2018-08-28 |
DE102014107459A1 (de) | 2015-12-03 |
WO2015180896A1 (de) | 2015-12-03 |
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