DE102008031120A1 - Internal combustion engine valve train device - Google Patents
Internal combustion engine valve train device Download PDFInfo
- Publication number
- DE102008031120A1 DE102008031120A1 DE102008031120A DE102008031120A DE102008031120A1 DE 102008031120 A1 DE102008031120 A1 DE 102008031120A1 DE 102008031120 A DE102008031120 A DE 102008031120A DE 102008031120 A DE102008031120 A DE 102008031120A DE 102008031120 A1 DE102008031120 A1 DE 102008031120A1
- Authority
- DE
- Germany
- Prior art keywords
- internal combustion
- combustion engine
- engine valve
- drive device
- phaser
- 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.)
- Withdrawn
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- RDYMFSUJUZBWLH-UHFFFAOYSA-N endosulfan Chemical compound C12COS(=O)OCC2C2(Cl)C(Cl)=C(Cl)C1(Cl)C2(Cl)Cl RDYMFSUJUZBWLH-UHFFFAOYSA-N 0.000 claims description 41
- 230000008878 coupling Effects 0.000 claims description 14
- 238000010168 coupling process Methods 0.000 claims description 14
- 238000005859 coupling reaction Methods 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims 1
- 210000000078 claw Anatomy 0.000 description 6
- 238000005755 formation reaction Methods 0.000 description 6
- 230000010363 phase shift Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 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
- F01L1/3442—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
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
- F01L13/0036—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
- F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
-
- 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
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
- F01L13/0036—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
- F01L2013/0052—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction with cams provided on an axially slidable sleeve
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
Die Erfindung geht aus von einer Brennkraftmotorenventiltriebvorrichtung mit wenigstens einem Phasensteller (10), welcher zumindest eine Primärseite (12) aufweist. Es wird vorgeschlagen, dass die Brennkraftmotorenventiltriebvorrichtung zumindest eine Übertragungseinheit (14) aufweist, welche dazu vorgesehen ist, einen Antrieb von der Primärseite (12) zu wenigstens einem Aggregat (16) zu übertragen.The invention is based on an internal combustion engine valve drive device with at least one phase adjuster (10) which has at least one primary side (12). It is proposed that the internal combustion engine valve drive device has at least one transmission unit (14) which is provided to transmit a drive from the primary side (12) to at least one unit (16).
Description
Die Erfindung betrifft eine Brennkraftmotorenventiltriebvorrichtung nach dem Oberbegriff des Anspruchs 1.The The invention relates to an internal combustion engine valve drive device according to the preamble of claim 1.
Es ist bereits vorgeschlagen worden, mittels einer Nockenwelle ein Aggregat anzutreiben.It has already been proposed by means of a camshaft To drive aggregate.
Der Erfindung liegt insbesondere die Aufgabe zugrunde, bei einer vorteilhaften Beeinflussung eines Moments einer Welle Baugröße, Kosten und Energieverbrauch zu senken. Die Aufgabe wird jeweils gelöst durch die Merkmale der unabhängigen Patentansprüche, wobei weitere Ausgestaltungen der Erfindung den Unteransprüchen entnommen werden können.Of the Invention is in particular the object, in an advantageous Influencing a moment of a wave Frame size, costs and energy consumption to lower. The object is achieved in each case by the features of the independent claims, wherein further embodiments of the invention taken from the dependent claims can be.
Die Erfindung geht aus von einer Brennkraftmotorenventiltriebvorrichtung mit wenigstens einem Phasensteller, welcher zumindest eine Primärseite aufweist.The The invention is based on an internal combustion engine valve drive device with at least one phase adjuster, which has at least one primary side.
Es wird vorgeschlagen, dass die Brennkraftmotorenventiltriebvorrichtung zumindest eine Übertragungseinheit aufweist, welche dazu vorgesehen ist, einen von der Primärseite zu wenigstens einem Aggregat zu übertragen. Unter „vorgesehen" soll insbesondere speziell ausgestattet und/oder ausgelegt verstanden werden. Unter einem „Antrieb" soll insbesondere eine Relativbewegung, welche im Besonderen zu einem Betreiben eines Aggregats zu fixierten Baueinheiten, wie zum Beispiel einem Grundkörper oder einem Rahmen der Brennkraftmotorenventiltriebvorrichtung, und insbesondere eine als Drehung ausgeführte Relativbewegung speziell einer Welle verstanden werden. Unter einer „Primärseite" soll insbesondere eine Seite verstanden werden, mit Hilfe welcher ein Antrieb eines anderen Teils des Phasenstellers in einem Betriebsmodus stattfindet und/oder insbesondere soll darunter eine Seite verstanden werden, welche in einem Betriebsmodus von wenigstens einer Kurbelwelle angetrieben wird. Unter einem „Phasensteller" soll insbesondere eine Baueinheit verstanden werden, welche in einem Betriebsmodus wenigstens eine Phasenverschiebung zwischen wenigstens zwei sich bewegenden und/oder sich drehenden Baueinheiten bewirkt. Unter einem „Aggregat" soll insbesondere eine Vereinigung mehrerer Geräte, Maschinen, Apparate und/oder Bauteile zur Erfüllung einer von einem mittelbaren und/oder unmittelbaren Ventiltrieb verschiedenen Funktion verstanden werden, wie insbesondere Pumpen, Generatoren usw. Ein Aggregat ist insbesondere als Nebenaggregat bzw. Zusatzaggregat ausgeführt. Mit einer erfindungsgemäßen Ausgestaltung kann eine geringe Baugröße des Phasenstellers und ein geringer Energieverbrauch erreicht werden.It It is suggested that the engine valve drive device at least one transmission unit which is intended to be one from the primary side to transfer at least one aggregate. In particular, "provided" is intended specially equipped and / or designed to be understood. Under a "drive" should in particular a relative movement, which in particular to an operation of a Aggregates to fixed units, such as a main body or a frame of the internal combustion engine valve drive device, and in particular one executed as a rotation Relative movement are understood specifically a wave. In particular, under a "primary page" a side be understood, with the help of which a drive of a another part of the phaser takes place in an operating mode and / or In particular, it should be understood as a page which in an operating mode of at least one crankshaft driven becomes. Under a "phaser" should in particular a structural unit to be understood which in an operating mode at least one phase shift between at least two moving and / or rotating units causes. In particular, under an "aggregate" a union of several devices, Machinery, apparatus and / or components for fulfilling one of an indirect and / or immediate valvetrain different function understood are, in particular pumps, generators, etc. An aggregate especially designed as an accessory or additional unit. With an embodiment of the invention can be a small size of the phaser and Low energy consumption can be achieved.
Vorteilhafterweise ist die Übertragungseinheit einteilig mit der Primärseite des Phasenstellers ausgeführt oder zumindest fest mit ihr verbunden. Hierdurch ergibt sich eine kostengünstige Ausführungsform der Brennkraftmotorenventiltriebvorrichtung.advantageously, is the transmission unit one-piece with the primary side the phasing performed or at least firmly attached to it. This results in a inexpensive embodiment the engine valve drive device.
In einer besonders bevorzugten Ausführungsform befinden sich das Aggregat und der Phasensteller zumindest im Wesentlichen auf derselben Seite einer Ebene, die einen vom Phasensteller angetriebenen Nockenträger zwischen zwei Nocken rechtwinklig schneidet. Unter „rechtwinklig schneiden" soll hier insbesondere verstanden werden, dass die Ebene in einem zumindest an nähernd rechten Winkel zu einer Hauptachse des Nockenträgers steht, um welche der Nockenträger in zumindest einem Betriebsmodus rotiert. Vorteilhafterweise ist hierdurch das anzutreibende Aggregat in unmittelbarer Nähe des Phasenstellers angeordnet, wodurch sich eine besonders leichte und bauraumoptimierte Übertragungseinheit ergibt.In a particularly preferred embodiment the aggregate and the phaser are at least substantially on the same side of a plane, one driven by the phaser cam support cuts between two cams at right angles. Under "right-angled cut "should Here, in particular, be understood that the plane in an at least nearly right angle to a major axis of the cam carrier is about which the cam carrier in at least an operating mode rotates. Advantageously, this is the to be driven aggregate arranged in the immediate vicinity of the phaser resulting in a particularly lightweight and space-optimized transmission unit results.
Außerdem wird vorgeschlagen, dass die Übertragungseinheit wenigstens eine Antriebswelle aufweist. Unter einer "Antriebswelle" soll insbesondere eine Welle verstanden werden, welche in wenigstens einem Betriebsmodus einen Antrieb überträgt. Hiermit kann eine konstruktiv einfache Übertragung eines Antriebs realisiert werden.In addition, will suggested that the transmission unit has at least one drive shaft. Under a "drive shaft" in particular a wave can be understood which in at least one operating mode transmits a drive. Herewith can be a structurally simple transmission a drive can be realized.
Mit Vorteil umfasst die Brennkraftmotorenventiltriebvorrichtung zumindest eine Hohlwelle, innerhalb welcher die Antriebswelle zumindest teilweise verläuft. Damit kann insbesondere ein Aggregat an einer vorteilhaften Stelle eingebaut und betrieben werden.With Advantage includes the internal combustion engine valve drive device at least a hollow shaft, within which the drive shaft at least partially runs. This can in particular an aggregate at an advantageous location be installed and operated.
Ferner wird vorgeschlagen, dass die Hohlwelle durch wenigstens einen Nockenträger oder durch wenigstens einen Nockenträger und zumindest eine Schalteinheit gebildet ist. Vorteilhafterweise können bei einer derartigen Ausführung Bauteile eingespart werden.Further It is proposed that the hollow shaft through at least one cam carrier or through at least one cam carrier and at least one switching unit is formed. Advantageously, at such an embodiment Components are saved.
Mit Vorteil weist die Schalteinheit wenigstens eine Kopplungsausformung auf, die dazu vorgesehen ist, ein Antriebsmoment von der Schalteinheit auf eine weitere Schalteinheit zu übertragen. Auf diese Weise kann eine leichte und einfach konstruierbare Bauweise erreicht werden.With Advantage, the switching unit has at least one coupling formation which is intended to drive torque from the switching unit to transfer to another switching unit. In this way a lightweight and easily constructible construction can be achieved.
Vorzugsweise umfasst die Brennkraftmotorenventiltriebvorrichtung wenigstens eine Antriebseinheit, welche in einem Be triebsmodus von einer Sekundärseite des Phasenstellers angetrieben wird. Unter einer „Sekundärseite" des Phasenstellers soll insbesondere eine Seite verstanden werden, welche von der Primärseite angetrieben wird und/oder welche aufgrund einer Funktion des Phasenstellers bei Drehungen in verschiedenen Phasenverschiebungen relativ zu der Primärseite betreibbar ist. Damit kann eine flexible Benutzbarkeit erreicht werden.The internal combustion engine valve drive device preferably comprises at least one drive unit, which in a drive mode is driven by a secondary side of the phaser. A "secondary side" of the phaser is in particular a page to be understood, which is driven by the primary side and / or which due to a function of the phaser during rotations in different Phasenverschiebun gene is operable relative to the primary side. Thus, a flexible usability can be achieved.
In einer bevorzugten Ausgestaltung der Erfindung sind die Hohlwelle und die Antriebseinheit zumindest teilweise identisch. Hiermit kann bei einer kostengünstigen Bauweise Bauraum effizient genutzt werden.In A preferred embodiment of the invention are the hollow shaft and the drive unit at least partially identical. Hereby can at a low cost Construction space can be used efficiently.
Mit Vorteil umfasst die Brennkraftmotorenventiltriebvorrichtung wenigstens einen Nocken, welcher in einem montierten Zustand zwischen dem Aggregat und dem Phasensteller angeordnet ist. Darunter, dass der Nocken „zwischen" dem Aggregat und dem Phasensteller angeordnet ist, soll insbesondere verstanden werden, dass es wenigstens einen Punkt des Aggregats und zumindest einen Punkt des Phasenstellers gibt, so dass die Verbindungsstrecke der beiden Punkte den Nocken schneidet und/oder durchsetzt. Mit einer erfindungsgemäßen Ausgestaltung kann bei einem phasengesteuerten Betrieb einer Nockenwelle das Aggregat an einer vorteilhaften Stelle eingebaut werden.With Advantage includes the internal combustion engine valve drive device at least a cam, which in an assembled state between the unit and the phaser is arranged. Under that the cam "between" the aggregate and the Phase adjuster is arranged, should be understood in particular that there is at least one point of the aggregate and at least one Point of the phaser gives, so the link of the two Points the cam cuts and / or interspersed. With an embodiment according to the invention can in a phased operation of a camshaft, the unit be installed at an advantageous location.
Ferner wird vorgeschlagen, dass die Brennkraftmotorenventiltriebvorrichtung wenigstens eine Kupplungseinheit umfasst, welche in einem montierten Zustand wenigstens einen Nockenträger mit wenigstens einer Sekundärseite des Phasenstellers kuppelt. Hiermit kann auf einfache Weise ein flexibler Betrieb des Nockenträgers erreicht werden.Further It is suggested that the engine valve drive device comprises at least one coupling unit, which in a mounted Condition at least one cam carrier with at least one secondary side of the Phase adjuster couples. This can be a flexible way to easily Operation of the cam carrier be achieved.
Mit Vorteil ist die Kupplungseinheit als Klauenkupplung ausgebildet. Hiermit kann bei einer kostengünstigen Bauweise eine einfache axiale Verschiebbarkeit erreicht werden.With Advantage, the coupling unit is designed as a dog clutch. This can be at a cost Construction a simple axial displacement can be achieved.
Vorzugsweise ist der Phasensteller als Flügelzellenphasensteller ausgebildet. Hiermit kann ein auch ein überlagertes Wechselmoment einer Nockenwelle zu einer Einstellung einer Phasenverschiebung verwendet werden.Preferably is the phaser as a vane cell phaser educated. This can also be a superimposed alternating moment a Camshaft used to adjust a phase shift become.
Weitere Vorteile ergeben sich aus der folgenden Zeichnungsbeschreibung. In den Zeichnungen sind Ausführungsbeispiele der Erfindung dargestellt. Die Beschreibung und die Ansprüche enthalten zahlreiche Merkmale in Kombination. Der Fachmann wird die Merkmale zweckmäßigerweise auch einzeln betrachten und zu sinnvollen weiteren Kombinationen zusammenfassen.Further Advantages are shown in the following description of the drawing. In the drawings are exemplary embodiments represented the invention. The description and the claims contain numerous features in combination. The skilled person will become the characteristics expediently also consider individually and summarize to meaningful further combinations.
Dabei zeigen:there demonstrate:
Der
Phasensteller
In
dem Betriebsmodus wird eine als Nockenwelle ausgeführte Antriebseinheit
An
den Flügel
Ferner
sind auf der Nockenwelle zwei Schalteinheiten
In
der
Die
in
Die
Schalteinheiten
In
den
Die
Der
Phasensteller
In
dem Betriebsmodus wird eine Nockenwelle
Die
Nockenwelle
Claims (14)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008031120A DE102008031120A1 (en) | 2007-11-02 | 2008-07-02 | Internal combustion engine valve train device |
| PCT/EP2008/008846 WO2009056243A1 (en) | 2007-11-02 | 2008-10-18 | Valve train device for internal combustion engines |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007052250 | 2007-11-02 | ||
| DE102007052250.0 | 2007-11-02 | ||
| DE102008031120A DE102008031120A1 (en) | 2007-11-02 | 2008-07-02 | Internal combustion engine valve train device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102008031120A1 true DE102008031120A1 (en) | 2009-05-07 |
Family
ID=40514519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE102008031120A Withdrawn DE102008031120A1 (en) | 2007-11-02 | 2008-07-02 | Internal combustion engine valve train device |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE102008031120A1 (en) |
| WO (1) | WO2009056243A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009055864A1 (en) | 2009-11-26 | 2011-06-01 | Daimler Ag | Motor vehicle device has internal combustion engine valve train device which has camshaft, camshaft phase adjuster for adjusting phase of camshaft and emergency unit for setting defined emergency phase of camshaft |
| FR2966876A1 (en) * | 2010-11-02 | 2012-05-04 | Peugeot Citroen Automobiles Sa | Pump arrangement e.g. vacuum pump arrangement, for e.g. diesel engine of motor vehicle, has pump directly integrated into cylinder head in end of camshaft, where case of pump is formed integrally with cylinder head by molding operation |
| DE102014206291A1 (en) * | 2014-04-02 | 2015-10-08 | Mahle International Gmbh | camshaft |
| DE102015205770A1 (en) * | 2015-03-31 | 2016-10-06 | Schaeffler Technologies AG & Co. KG | camshaft assembly |
| DE102009042215B4 (en) | 2008-10-14 | 2018-06-07 | Schaeffler Technologies AG & Co. KG | Camshaft adjuster for a concentric camshaft |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013210283B4 (en) * | 2013-06-04 | 2020-08-27 | Schaeffler Technologies AG & Co. KG | Camshaft adjustment device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19957157A1 (en) * | 1999-11-27 | 2001-06-07 | Porsche Ag | Valve controller for internal combustion engine detects camshaft measurement values to check function of one or more switching elements, displays function signal if defined deviation |
| DE102004011586A1 (en) * | 2003-03-21 | 2004-10-07 | Audi Ag | Valve train of an internal combustion engine having a cylinder head |
| JP4042661B2 (en) * | 2003-08-29 | 2008-02-06 | アイシン精機株式会社 | Valve timing control device |
| GB2415745A (en) * | 2004-06-29 | 2006-01-04 | Mechadyne Plc | Engine with VVT drives an auxiliary device from an unphased part of the camshaft |
| DE102006007651A1 (en) * | 2006-02-18 | 2007-09-06 | Schaeffler Kg | Camshaft adjuster with a superposition gearbox |
| DE102006007671A1 (en) * | 2006-02-18 | 2007-09-06 | Schaeffler Kg | Device for the variable adjustment of the timing of gas exchange valves of an internal combustion engine |
-
2008
- 2008-07-02 DE DE102008031120A patent/DE102008031120A1/en not_active Withdrawn
- 2008-10-18 WO PCT/EP2008/008846 patent/WO2009056243A1/en not_active Ceased
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009042215B4 (en) | 2008-10-14 | 2018-06-07 | Schaeffler Technologies AG & Co. KG | Camshaft adjuster for a concentric camshaft |
| DE102009055864A1 (en) | 2009-11-26 | 2011-06-01 | Daimler Ag | Motor vehicle device has internal combustion engine valve train device which has camshaft, camshaft phase adjuster for adjusting phase of camshaft and emergency unit for setting defined emergency phase of camshaft |
| FR2966876A1 (en) * | 2010-11-02 | 2012-05-04 | Peugeot Citroen Automobiles Sa | Pump arrangement e.g. vacuum pump arrangement, for e.g. diesel engine of motor vehicle, has pump directly integrated into cylinder head in end of camshaft, where case of pump is formed integrally with cylinder head by molding operation |
| DE102014206291A1 (en) * | 2014-04-02 | 2015-10-08 | Mahle International Gmbh | camshaft |
| US9797278B2 (en) | 2014-04-02 | 2017-10-24 | Mahle International Gmbh | Camshaft |
| DE102015205770A1 (en) * | 2015-03-31 | 2016-10-06 | Schaeffler Technologies AG & Co. KG | camshaft assembly |
| DE102015205770B4 (en) * | 2015-03-31 | 2018-10-11 | Schaeffler Technologies AG & Co. KG | camshaft assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009056243A1 (en) | 2009-05-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R005 | Application deemed withdrawn due to failure to request examination |