DE102010038198A1 - Oscillating motor adjuster has rotor, which is connected with coaxially aligned spigot, which is rotatably arranged in oil transferring hole, where spigot has central recess, through which central screw is inserted - Google Patents
Oscillating motor adjuster has rotor, which is connected with coaxially aligned spigot, which is rotatably arranged in oil transferring hole, where spigot has central recess, through which central screw is inserted Download PDFInfo
- Publication number
- DE102010038198A1 DE102010038198A1 DE102010038198A DE102010038198A DE102010038198A1 DE 102010038198 A1 DE102010038198 A1 DE 102010038198A1 DE 102010038198 A DE102010038198 A DE 102010038198A DE 102010038198 A DE102010038198 A DE 102010038198A DE 102010038198 A1 DE102010038198 A1 DE 102010038198A1
- Authority
- DE
- Germany
- Prior art keywords
- rotor
- schwenkmotorversteller
- pin
- spigot
- camshaft
- 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- Withdrawn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
Images
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
- F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
- F01L2001/34423—Details relating to the hydraulic feeding circuit
- F01L2001/34426—Oil control valves
- F01L2001/3443—Solenoid driven oil control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
- F01L2001/34423—Details relating to the hydraulic feeding circuit
- F01L2001/34426—Oil control valves
- F01L2001/34433—Location oil control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2250/00—Camshaft drives characterised by their transmission means
- F01L2250/02—Camshaft drives characterised by their transmission means the camshaft being driven by chains
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2250/00—Camshaft drives characterised by their transmission means
- F01L2250/04—Camshaft drives characterised by their transmission means the camshaft being driven by belts
-
- 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
- F01L2301/00—Using particular materials
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
Description
Die Erfindung betrifft einen Schwenkmotorversteller mit einem Rotor gemäß dem Oberbegriff von Patentanspruch 1.The invention relates to a Schwenkmotorversteller with a rotor according to the preamble of
Aus der
Aus der
Aufgabe der Erfindung ist es, einen Schwenkmotorversteller zu schaffen, der die Nockenwelle nicht schwächt.The object of the invention is to provide a Schwenkmotorversteller that does not weaken the camshaft.
Erfindungsgemäß ist der Rotor mit einer Zentralschraube drehfest gegen die Nockenwelle verspannt. Diese Zentralschraube ist durch eine zentrale Ausnehmung in den Zapfen gesteckt. Die Drehmomentübertragung vom Rotor auf die Nockenwelle erfolgt somit über das Reibmoment zwischen dem Rotor und der Nockenwelle.According to the invention, the rotor is clamped in a rotationally fixed manner against the camshaft with a central screw. This central screw is inserted through a central recess in the pin. The torque transmission from the rotor to the camshaft thus takes place via the friction torque between the rotor and the camshaft.
In einer besonders vorteilhaften Ausgestaltung erfolgt die Einleitung von Hydraulikfluid in den Rotor über Kanäle die in einer Wandung des Lagerzapfens angeordnet sind. Diese Wandung bildet sich infolge einer zentrischen Ausnehmung, durch welche die Zentralschraube gesteckt ist, die den Rotor auf dessen vom Lagerauge abgewandter Seite drehfest gegen die Nockenwelle spannt. Da der Lagerzapfen drehfest mit dem Rotor verbunden ist, wird somit eine drehfeste Verbindung zwischen dem Rotor und der Nockenwelle geschaffen. Die Nockenwelle wird in besonders vorteilhafter Weise nicht durch Ölkanäle, Ringnuten etc. geschwächt.In a particularly advantageous embodiment, the introduction of hydraulic fluid into the rotor via channels which are arranged in a wall of the journal. This wall is formed as a result of a central recess through which the central screw is inserted, which rotatably clamps the rotor on its side facing away from the bearing eye side against the camshaft. Since the bearing pin is rotatably connected to the rotor, thus a rotationally fixed connection between the rotor and the camshaft is created. The camshaft is not weakened in a particularly advantageous manner by oil passages, annular grooves, etc.
In einer besonders vorteilhaften Ausgestaltung kann das Ventil bzw. können die Ventile zur Versorgung mit Hydraulikfluid dezentral angeordnet sein. Mit diesen Ventilanordnung und der Ölversorgung von vorne – d. h. „front oil feed” – kann ein sehr kurzer und kleiner Schwenkmotorversteller geschaffen werden, der eine reibungsarme Ölübergabestelle mit geringer Leckage aufweist.In a particularly advantageous embodiment, the valve or valves can be arranged decentrally to supply hydraulic fluid. With this valve arrangement and the oil supply from the front - d. H. "Front oil feed" - a very short and small Schwenkmotorversteller be created, which has a low-friction oil transfer point with low leakage.
Damit findet der erfindungsgemäße Schwenkmotorversteller in besonders vorteilhafter Weise Anwendung bei einer gebauten Nockenwelle, deren Grundträger eine Hohlwelle ist. In diese Hohlwelle kann dann ein Einsatz mit einem Innengewinde eingepresst sein, in das die Zentralschraube eingeschraubt ist. Es ist aber auch möglich, die Nockenwelle aus einem Vollmaterial zu fertigen, in das ein Gewindesackloch eingeschnitten ist.Thus, the Schwenkmotorversteller invention finds in a particularly advantageous application in a built camshaft, the basic carrier is a hollow shaft. In this hollow shaft can then be pressed an insert with an internal thread into which the central screw is screwed. But it is also possible to manufacture the camshaft of a solid material, in which a threaded blind hole is cut.
In einer besonders vorteilhaften Ausgestaltung der Erfindung ist der Zapfen gegenüber einer Ölübergabebohrung mit Dichtringen – insbesondere Rechteckringen aus Polyimid oder Gusseisen – abgedichtet. Dabei braucht der Zapfen keine lagernde Funktion übernehmen. Diese Dichtringe trennen dabei Ringnuten hydraulisch voneinander, in denen Hydraulikfluid – insbesondere Öl – zum Verschwenken des Schwenkmotornockenwellenverstellers geführt wird. Außerdem gleichen die Dichtringe die Koaxialitätsabweichung des Zapfens von der Ölübergabebohrung aus.In a particularly advantageous embodiment of the invention, the pin against an oil transfer hole with sealing rings - especially rectangular rings made of polyimide or cast iron - sealed. The pin does not need to take over stocking function. These sealing rings hydraulically separate annular grooves from each other, in which hydraulic fluid - in particular oil - is guided for pivoting the Schwenkmotornockenwellenverstellers. In addition, the sealing rings compensate for the Koaxialitätsabweichung the pin from the oil transfer hole.
Patentanspruch 8 zeigt eine Ausgestaltung, bei welcher einem hohen Zerspanungsaufwand eine vorteilhaft kompakte Bauform gegenüber steht. Infolge der Einteiligkeit von Zapfen und Rotor bzw. Rotornabe kann auf einen Pressverband verzichtet werden, was Bauraum einspart.Claim 8 shows an embodiment in which a high machining effort is an advantageous compact design opposite. Due to the one-piece pin and rotor or rotor hub can be dispensed with a press fit, which saves space.
Zur Erhöhung dieses Reibmomentes zwischen dem Rotor und der Nockenwelle kann dazwischen eine Reibscheibe beispielsweise mit einer Diamantbeschichtung vorgesehen sein. An dieser Reibmomentübergangsstelle kann aber auch ein Passstift vorgesehen sein, der den Rotor zur Nockenwelle im Winkel ausrichtet.To increase this friction torque between the rotor and the camshaft may be provided therebetween a friction plate, for example with a diamond coating. At this Reibmomentübergangsstelle but also a dowel pin may be provided which aligns the rotor to the camshaft at an angle.
Weitere Vorteile der Erfindung gehen aus den weiteren Patentansprüchen, der Beschreibung und der Zeichnung vor.Further advantages of the invention will become apparent from the other claims, the description and the drawings.
Die Erfindung ist nachfolgend anhand eines Ausführungsbeispiels näher erläutert.The invention is explained in more detail with reference to an embodiment.
Dabei zeigenShow
Mit einem Schwenkmotorversteller
Der Stator
Zwischen benachbarten Stegen
Die Stege
Der Rotor
Von diesen radialen Kanälen
Der Zapfen
Die erste Ringnut
In
Aus der geschnittenen Darstellung in
Entlang der Zentralachse
Zwischen den beiden Arbeitsanschlüssen A, B liegt ein Versorgungsanschluss P zur Versorgung des 4/3-Wege-Hydraulikventils mit Druck von der Ölpumpe.Between the two working ports A, B is a supply port P for supplying the 4/3-way hydraulic valve with pressure from the oil pump.
Der Schwenkmotorversteller
In der
In einer alternativen Ausführungsform ist das Antriebsrad ein Zahnriemenrad, über das ein Antriebsriemen als Antriebselement geführt ist.In an alternative embodiment, the drive wheel is a toothed belt wheel, over which a drive belt is guided as a drive element.
In einer weiteren alternativen Ausgestaltung der Erfindung wird das Hydraulikfluid zu der einen Druckkammer direkt durch die zentrale Ausnehmung geleitet. In dem Fall führt eine radiale oder schräge Bohrung durch die Wandung des Zapfens
Die axiale Ölführung kann alternativ zur dargestellten Ausführung mit den Längsbohrungen
In einer alternativen Ausführungsform ist es auch möglich, die Ölübergabebohrung zu teilen und ein oberes Brückenteil mit dem Gehäuseteil zu verschrauben. Das Gehäuseteil kann insbesondere Teil des Zylinderkopfes sein oder mit diesem verschraubt sein.In an alternative embodiment, it is also possible to divide the oil transfer hole and screw an upper bridge part to the housing part. The housing part may in particular be part of the cylinder head or screwed thereto.
Es ist alternativ auch möglich, die Ölübergabebohrung als Durchgangsbohrung auszuführen, so dass neben einer einfacheren Bearbeitung auch der Zugang zur Zentralschraube erleichtert wird.Alternatively, it is also possible to make the oil transfer hole as a through hole, so that in addition to a simpler processing and access to the central screw is facilitated.
Der Verbrennungsmotor kann sowohl ein Benzinmotor als auch ein Dieselmotor sein.The internal combustion engine can be both a gasoline engine and a diesel engine.
Anstelle der beiden Ringnuten
Die Ölübergabebohrung kann auch als Lagerbock ausgeführt sein. Dabei kann ein Wälzlager oder ein Gleitlager vorgesehen sein.The oil transfer hole can also be designed as a bearing block. In this case, a rolling bearing or a sliding bearing can be provided.
Bei den beschriebenen Ausführungsformen handelt es sich nur um beispielhafte Ausgestaltungen. Eine Kombination der beschriebenen Merkmale für unterschiedliche Ausführungsformen ist ebenfalls möglich. Weitere, insbesondere nicht beschriebene Merkmale der zur Erfindung gehörenden Vorrichtungsteile, sind den in den Zeichnungen dargestellten Geometrien der Vorrichtungsteile zu entnehmen.The described embodiments are only exemplary embodiments. A combination of the described features for different embodiments is also possible. Further, in particular not described features of the device parts belonging to the invention are to be taken from the geometries of the device parts shown in the drawings.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 11
- SchwenkmotorverstellerSchwenkmotorversteller
- 22
- Nockenwellecamshaft
- 33
- erstes Antriebsradfirst drive wheel
- 44
- zweites Antriebsradsecond drive wheel
- 55
- Statorstator
- 66
- Innenwandinner wall
- 77
- ÖlübergabebohrungOil transfer hole
- 88th
- StegeStege
- 99
- Flügelwing
- 1010
- Rotornaberotor hub
- 1111
- Rotorrotor
- 1212
- Zentralschraubecentral screw
- 1313
- Zapfenspigot
- 1414
- Bohrungsgrundhole bottom
- 1515
- GrundlochBlind hole
- 1616
- Innengewindeinner thread
- 1717
- erster radialer Kanalfirst radial channel
- 1818
- zweiter radialer Kanalsecond radial channel
- 1919
- Zentralachsecentral axis
- 2020
- erster längs ausgerichteter Kanalfirst longitudinally aligned channel
- 2121
- zweiter längs ausgerichteter Kanalsecond longitudinally aligned channel
- 2222
- Querbohrungcross hole
- 2323
- Querbohrungcross hole
- 2424
- erste Ringnutfirst ring groove
- 2525
- zweite Ringnutsecond annular groove
- 2626
- Dichtringseal
- 2727
- DichtringnutSeal groove
- 2828
- gebauter Antriebbuilt drive
- 29 29
- erster gehäuseinterner Kanalfirst in-house channel
- 3030
- zweiter gehäuseinterner Kanalsecond in-house channel
- 3131
- zentrale Ausnehmungcentral recess
- 3232
- Dichtringseal
- 3333
- Ventilbohrungvalve bore
- 3434
- Gehäuseteilhousing part
- 3535
- DichtringnutSeal groove
- 3636
- DichtringnutSeal groove
- 3737
- Deckscheibecover disc
- 3838
- Absatzparagraph
- 3939
- Schraubenscrew
- 4040
- Dichtringseal
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 3415861 C2 [0002] DE 3415861 C2 [0002]
- DE 10045418 B4 [0003] DE 10045418 B4 [0003]
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010038198A DE102010038198A1 (en) | 2010-10-14 | 2010-10-14 | Oscillating motor adjuster has rotor, which is connected with coaxially aligned spigot, which is rotatably arranged in oil transferring hole, where spigot has central recess, through which central screw is inserted |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010038198A DE102010038198A1 (en) | 2010-10-14 | 2010-10-14 | Oscillating motor adjuster has rotor, which is connected with coaxially aligned spigot, which is rotatably arranged in oil transferring hole, where spigot has central recess, through which central screw is inserted |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102010038198A1 true DE102010038198A1 (en) | 2012-04-19 |
Family
ID=45895571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102010038198A Withdrawn DE102010038198A1 (en) | 2010-10-14 | 2010-10-14 | Oscillating motor adjuster has rotor, which is connected with coaxially aligned spigot, which is rotatably arranged in oil transferring hole, where spigot has central recess, through which central screw is inserted |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102010038198A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013016907A1 (en) * | 2013-06-28 | 2014-12-31 | Daimler Ag | Camshaft adjuster for an internal combustion engine |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3415861C2 (en) | 1984-04-28 | 1988-08-11 | Pierburg Gmbh, 4040 Neuss, De | |
DE19745670A1 (en) * | 1997-10-17 | 1999-04-22 | Schaeffler Waelzlager Ohg | Valve timing control for internal combustion engine |
DE10349176A1 (en) * | 2002-10-22 | 2004-06-17 | Aisin Seiki K.K., Kariya | Valve timing control device |
DE10045418B4 (en) | 1999-09-17 | 2006-01-12 | Hitachi, Ltd. | Device for controlling the valve setting for internal combustion engines |
-
2010
- 2010-10-14 DE DE102010038198A patent/DE102010038198A1/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3415861C2 (en) | 1984-04-28 | 1988-08-11 | Pierburg Gmbh, 4040 Neuss, De | |
DE19745670A1 (en) * | 1997-10-17 | 1999-04-22 | Schaeffler Waelzlager Ohg | Valve timing control for internal combustion engine |
DE10045418B4 (en) | 1999-09-17 | 2006-01-12 | Hitachi, Ltd. | Device for controlling the valve setting for internal combustion engines |
DE10349176A1 (en) * | 2002-10-22 | 2004-06-17 | Aisin Seiki K.K., Kariya | Valve timing control device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013016907A1 (en) * | 2013-06-28 | 2014-12-31 | Daimler Ag | Camshaft adjuster for an internal combustion engine |
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Legal Events
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R081 | Change of applicant/patentee |
Owner name: HILITE GERMANY GMBH, DE Free format text: FORMER OWNER: HYDRAULIK-RING GMBH, 72622 NUERTINGEN, DE Effective date: 20130521 |
|
R002 | Refusal decision in examination/registration proceedings | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20140501 |