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EP1108859A2 - Bearing arrangement for a cam shaft - Google Patents

Bearing arrangement for a cam shaft Download PDF

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Publication number
EP1108859A2
EP1108859A2 EP00126265A EP00126265A EP1108859A2 EP 1108859 A2 EP1108859 A2 EP 1108859A2 EP 00126265 A EP00126265 A EP 00126265A EP 00126265 A EP00126265 A EP 00126265A EP 1108859 A2 EP1108859 A2 EP 1108859A2
Authority
EP
European Patent Office
Prior art keywords
bearing
cylinder head
carrier
camshaft
end walls
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
Application number
EP00126265A
Other languages
German (de)
French (fr)
Other versions
EP1108859B1 (en
EP1108859A3 (en
Inventor
Christian Schwarzl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Audi AG
Original Assignee
Audi AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Publication of EP1108859A2 publication Critical patent/EP1108859A2/en
Publication of EP1108859A3 publication Critical patent/EP1108859A3/en
Application granted granted Critical
Publication of EP1108859B1 publication Critical patent/EP1108859B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • F01L1/053—Camshafts overhead type
    • 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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/006—Camshaft or pushrod housings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • F01L2001/0476—Camshaft bearings

Definitions

  • the invention relates to the storage of at least one camshaft in the cylinder head a valve-controlled reciprocating internal combustion engine, according to the Preamble of claim 1.
  • valve control is the camshafts and their storage and lubricating oil supply, as well as the cylinder head screws and their accessibility at the Assembly problematic.
  • the camshaft bearing has already been proposed (e.g. DE 39 43 728 C2) and to arrange lubricating oil supply in a two-part carrier, in which the bearings and bearing caps of the camshaft bearings are integrated are.
  • the carrier is screwed to the cylinder head.
  • the cylinder head has a connection level on which the carrier and a separate Valve covers are attached, as well as one located inside the valve cover Storage division level of the carrier.
  • the object of the invention is to propose storage of the generic type, which are structurally simple and particularly inexpensive to manufacture is.
  • camshaft bearings of these camshaft bearings located between the end faces also be designed with a bearing block on the cylinder head. Thereby both the cylinder head itself and its assembly are noticeably simplified.
  • FIG. 1 An embodiment of the invention is in the following with further details explained in more detail.
  • the schematic drawing shows a longitudinal section by a cylinder head of a reciprocating piston internal combustion engine, not shown with the mounting of a camshaft with several camshaft bearings, the partially or completely in a carrier and valve cover are trained.
  • the cylinder head 10 shown in sections in a longitudinal section for a three-cylinder (or V 6-) reciprocating internal combustion engine is by means of several cylinder head bolts 12 with a cylinder crankcase, not shown connected to the internal combustion engine.
  • the cylinder head 10 has upwardly projecting end walls 14, 16, which with Side walls 18 (only one side wall 18 is visible) one up Include open valve space.
  • the end walls 14, 16 and the side walls 18 end to form one Connection flange, not shown, in a bearing division level 20 for two camshafts 22 (only one camshaft 22 can be seen).
  • connection flange of the cylinder head (bearing pitch level 20) is with the carrier 24 is placed on a corresponding connecting flange, the also end walls 26, 28 and side walls 30 (it is also only one side wall 30 can be seen).
  • the top wall 32 of the carrier 24 is closed formed so that the carrier 24 at the same time the valve space final valve cover forms.
  • the valve cover or carrier 24 is by means of Not shown screws, the circumferentially distributed the not shown Pierce the connection flange with the end walls 14, 16 and Side walls 18 of the cylinder head 10 screwed.
  • the four camshaft bearings or bearing bores 34, 36, 38, 40 shown, whose central axis lies in the bearing division plane 20 are formed as follows:
  • the bearing cover 56.58 are - as can be seen in the drawing without further notice is - screwed from below and are thus adjacent to the valve chamber of the cylinder head 10 positioned.
  • the second, not visible camshaft 22 is equally on the Drawing level arranged behind, where necessary the bearing cover 56,58 can be double and both camshafts 22 accordingly to store.
  • the carrier 24 is not designed as a valve cover and accordingly is constructed less stiff, then you can, as in dashed lines shown on the bottom 60 of the cylinder head 10 one up to Partition plane 20 projecting wall or a foot 62 can be cast, which in Connection with a corresponding wall or a corresponding one Foot 64 forms a fastening arrangement on the carrier 24, which means one screwed into the foot 62 from the top of the bracket 24 Screw 66 a central stiffener of the support 24 with the cylinder head 10 forms.
  • the bearing caps 56, 58 are screwed tightly to the carrier 24 and then the carrier 24 is attached to the cylinder head 10. In this condition the bearing bores 34, 36, 38, 40 are drilled for the camshafts 22. Then the carrier 24 is removed from the cylinder head and it the camshafts 22 can then be assembled. Furthermore, the cylinder head 10 after installation of the gas exchange valves and not shown the corresponding valve actuators on the cylinder crankcase attached to the internal combustion engine by means of the cylinder head screws 12 be, due to the lack of camshafts 22 u. a. the cylinder head bolts 12 are freely accessible.
  • the carrier 24 is then with the pre-assembled camshafts 22 on said connection surface in the division plane 20 placed and fastened by means of the screws, not shown.
  • the mounting surfaces are of course also as sealing surfaces executed; distant at the points where the camshafts 22nd penetrate the end walls 14, 26 and 16, 28, in a known manner, shaft sealing rings be provided.
  • the lubricating oil supply is at least within the End walls 14, 16 lying camshaft bearings 36, 38 through the carrier 24 must take place, pouring in corresponding lubricating oil channels and / or are to be drilled.
  • the lubricating oil can come from the camshaft bearings, for example 34.40 via channels in the top wall 32 to the interior Camshaft bearings 36.38 are directed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

This camshaft bearing arrangement has the engine cylinder head (10) with its end walls (14,16) provided with integrated cam shaft bearing halves (42,44). The corresponding upper bearing halves (46,48) are integrated into the end walls (26,28) of the valve cover (24). The camshaft (22) is further supported in the center by camshaft bearings (36,38) formed in one piece with the valve cover (24) with bearing caps (56,58) mounted in place by bolts (54).

Description

Die Erfindung betrifft die Lagerung zumindest einer Nockenwelle im Zylinderkopf einer ventilgesteuerten Hubkolben-Brennkraftmaschine, gemäß dem Oberbegriff des Patentanspruches 1.The invention relates to the storage of at least one camshaft in the cylinder head a valve-controlled reciprocating internal combustion engine, according to the Preamble of claim 1.

Insbesondere bei Brennkraftmaschinen mit zwei obenliegenden Nockenwellen je Zylinderkopf und ggf. engen Ventilwinkeln ist die Anordnung der Ventilsteuerung, der Nockenwellen und deren Lagerung und Schmierölversorgung, sowie der Zylinderkopfschrauben und deren Zugänglichkeit bei der Montage problematisch.Especially in internal combustion engines with two overhead camshafts For each cylinder head and, if applicable, narrow valve angles, the arrangement of the valve control is the camshafts and their storage and lubricating oil supply, as well as the cylinder head screws and their accessibility at the Assembly problematic.

Deshalb wurde schon vorgeschlagen (z. B. DE 39 43 728 C2), die Nockenwellenlagerung und Schmierölversorgung in einem zweiteiligen Träger anzuordnen, in dem die Lagerstühle und Lagerdeckel der Nockenwellenlager integriert sind. Der Träger wird mit dem Zylinderkopf verschraubt. Der Zylinderkopf weist eine Anschlussebene auf, auf die der Träger und ein separater Ventildeckel aufgesetzt sind, sowie eine innerhalb des Ventildeckels liegende Lagerteilungsebene des Trägers.Therefore, the camshaft bearing has already been proposed (e.g. DE 39 43 728 C2) and to arrange lubricating oil supply in a two-part carrier, in which the bearings and bearing caps of the camshaft bearings are integrated are. The carrier is screwed to the cylinder head. The cylinder head has a connection level on which the carrier and a separate Valve covers are attached, as well as one located inside the valve cover Storage division level of the carrier.

Aus der DE 42 08 725 C2 ist eine ähnliche Konstruktion bekannt, bei der der besagte Träger bzw. dessen Oberteil zugleich als Ventildeckel ausgebildet ist. Auch hier sind eine Anschlussebene und eine Lagerteilungsebene zu bearbeiten und entsprechend abzudichten.A similar construction is known from DE 42 08 725 C2, in which the said carrier or its upper part also formed as a valve cover is. Here too, a connection level and a bearing division level are closed edit and seal accordingly.

Aufgabe der Erfindung ist es, eine Lagerung der gattungsgemäßen Art vorzuschlagen, die baulich einfach und herstellungstechnisch besonders günstig ist. The object of the invention is to propose storage of the generic type, which are structurally simple and particularly inexpensive to manufacture is.

Diese Aufgabe wird erfindungsgemäß mit den kennzeichnenden Merkmalen des Patentanspruches 1 gelöst. Vorteilhafte Weiterbildungen der Erfindung sind in den weiteren Patentansprüchen angeführt.This object is achieved with the characterizing features of claim 1 solved. Advantageous developments of the invention are cited in the other claims.

Erfindungsgemäß wird vorgeschlagen, ausgehend von einer herkömmlichen Nockenwellenlagerung mit in dem Zylinderkopf integrierten Lagerstühlen und darauf aufgesetztem Träger anstelle zumindest eines zylinderkopfseitigen Lagerstuhles das vollständige Nockenwellenlager am Träger anzuordnen. Dies eröffnet für den Konstrukteur die Möglichkeit, an besonders unzugänglicher bzw. exponierter Stelle im Zylinderkopf den Lagerstuhl entfallen zu lassen und entweder durch einteilige Ausbildung des Nockenwellenlagers am Träger oder durch einen zusätzlichen Lagerdeckel bei einer geteilten Ausführung zu ersetzen. Wird dann der Zylinderkopf zunächst ohne dem Träger an der Brennkraftmaschine montiert, so ist die betreffende Stelle z. B. für das Einsetzen und Anziehen einer Zylinderkopfschraube frei zugänglich und wird bei der späteren Montage des Trägers mit der Nockenwelle von dem entsprechenden Nockenwellenlager überdeckt.According to the invention, it is proposed to start from a conventional one Camshaft bearings with bearing seats and integrated in the cylinder head carrier placed thereon instead of at least one on the cylinder head side To arrange the complete camshaft bearing on the carrier. This opens up the possibility for the designer to be particularly inaccessible the exposed position in the cylinder head and either by one-piece design of the camshaft bearing on Carrier or by an additional bearing cover in a split version to replace. Then the cylinder head is first attached without the carrier the internal combustion engine mounted, the point in question is z. B. for that Inserting and tightening a cylinder head screw is freely accessible and in the later assembly of the carrier with the camshaft from the corresponding one Camshaft bearings covered.

Bevorzugt können in die Stirnseiten des Zylinderkopfes in an sich bekannter Weise Lagerstühle für die Nockenwellenlager integriert sein, während die dazwischenliegenden zylinderkopfseitigen Lagerstühle entfallen und am Träger vorgesehen werden. Aus Festigkeitsgründen kann ggf. ein mittleres Nockenwellenlager dieser zwischen Stirnseiten liegenden Nockenwellenlager ebenfalls mit einem Lagerstuhl am Zylinderkopf ausgeführt sein. Dadurch wird sowohl der Zylinderkopf an sich als auch dessen Montage merklich vereinfacht.Preferably, in the end faces of the cylinder head in a known per se Way bearings for the camshaft bearings are integrated during the intervening bearing heads on the cylinder head side and on the carrier be provided. For strength reasons, a medium one may be used Camshaft bearings of these camshaft bearings located between the end faces also be designed with a bearing block on the cylinder head. Thereby both the cylinder head itself and its assembly are noticeably simplified.

Sofern bei geteilten Nockenwellenlagern am Träger einzelne oder zu einer Baueinheit verbundene Lagerdeckel verwendet werden, so können diese entweder von oben oder von unten mit dem Träger verschraubt werden. Ggf. können auch zwischen den Stirnwänden des Zylinderkopfes liegende, den Träger aussteifende Befestigungsanordnungen vorgesehen sein, über die der Träger zusätzlich mit dem Zylinderkopf verschraubt wird.Provided that in the case of split camshaft bearings on the carrier, individual or one Unit-connected bearing caps are used, so these can can be screwed to the carrier either from above or from below. Possibly. can also lie between the end walls of the cylinder head Support stiffening fastening arrangements can be provided, via the the carrier is also screwed to the cylinder head.

Ist der Träger in baulich besonders günstiger Weise in den Ventildeckel integriert bzw. mit diesem einstückig, so können bei einer entsprechend steifen Gestaltung dieses Ventildeckels zusätzliche Befestigungsanordnungen entfallen. Is the support integrated into the valve cover in a structurally particularly advantageous manner or in one piece with it, so can be stiff accordingly Design of this valve cover additional fastening arrangements are not required.

Ein Ausführungsbeispiel der Erfindung ist im folgenden mit weiteren Einzelheiten näher erläutert. Die schematische Zeichnung zeigt einen Längsschnitt durch einen Zylinderkopf einer nicht näher dargestellten Hubkolben-Brennkraftmaschine mit der Lagerung einer Nockenwelle mit mehreren Nockenwellenlagern, die teilweise oder vollständig in einem Träger und Ventildeckel ausgebildet sind.An embodiment of the invention is in the following with further details explained in more detail. The schematic drawing shows a longitudinal section by a cylinder head of a reciprocating piston internal combustion engine, not shown with the mounting of a camshaft with several camshaft bearings, the partially or completely in a carrier and valve cover are trained.

Der abschnittsweise in einem Längsschnitt dargestellte Zylinderkopf 10 für eine dreizylindrige (oder V 6-) Hubkolben-Brennkraftmaschine ist mittels mehrerer Zylinderkopfschrauben 12 mit einem nicht dargestellten Zylinderkurbelgehäuse der Brennkraftmaschine verbunden.The cylinder head 10 shown in sections in a longitudinal section for a three-cylinder (or V 6-) reciprocating internal combustion engine is by means of several cylinder head bolts 12 with a cylinder crankcase, not shown connected to the internal combustion engine.

Der Zylinderkopf 10 weist nach oben ragende Stirnwände 14,16 auf, die mit Seitenwänden 18 (es ist nur eine Seitenwand 18 ersichtlich) einen nach oben offenen Ventilraum einschließen.The cylinder head 10 has upwardly projecting end walls 14, 16, which with Side walls 18 (only one side wall 18 is visible) one up Include open valve space.

Die Stirnwände 14,16 und die Seitenwände 18 enden unter Bildung eines nicht dargestellten Anschlussflansches in einer Lagerteilungsebene 20 für zwei Nockenwellen 22 (es ist nur eine Nockenwelle 22 ersichtlich).The end walls 14, 16 and the side walls 18 end to form one Connection flange, not shown, in a bearing division level 20 for two camshafts 22 (only one camshaft 22 can be seen).

Auf den Anschlussflansch des Zylinderkopfes (Lagerteilungsebene 20) ist mit einem korrespondierenden Anschlussflansch der Träger 24 aufgesetzt, der ebenfalls Stirnwände 26,28 und Seitenwände 30 (es ist auch nur eine Seitenwand 30 ersichtlich) besitzt. Die Deckwand 32 des Trägers 24 ist geschlossen ausgebildet, so dass der Träger 24 zugleich den den Ventilraum abschließenden Ventildeckel bildet. Der Ventildeckel bzw. Träger 24 ist mittels nicht dargestellter Schrauben, die umfangsmäßig verteilt den nicht dargestellten Anschlussflansch durchdringen, mit den Stirnwänden 14,16 und Seitenwänden 18 des Zylinderkopfes 10 verschraubt.On the connection flange of the cylinder head (bearing pitch level 20) is with the carrier 24 is placed on a corresponding connecting flange, the also end walls 26, 28 and side walls 30 (it is also only one side wall 30 can be seen). The top wall 32 of the carrier 24 is closed formed so that the carrier 24 at the same time the valve space final valve cover forms. The valve cover or carrier 24 is by means of Not shown screws, the circumferentially distributed the not shown Pierce the connection flange with the end walls 14, 16 and Side walls 18 of the cylinder head 10 screwed.

Die dargestellten vier Nockenwellenlager bzw. Lagerbohrungen 34,36,38,40, deren Mittelachse in der Lagerteilungsebene 20 liegt, sind wie folgt gebildet:The four camshaft bearings or bearing bores 34, 36, 38, 40 shown, whose central axis lies in the bearing division plane 20 are formed as follows:

Die äußeren Lager 34,40 durch in die Stirnwände 14,16 des Zylinderkopfes 10 integrierte Lagerstühle 42,44 und trägerseitig durch in die Stirnwände 26,28 integrierte Lagerhälften 46,48; die mittleren beiden Nockenwellenlager 36,38 durch an den Träger 24 angeformte Lagerhälften 50,52, an die mittels Schrauben 54 Lagerdeckel 56,58 angeschraubt sind. The outer bearings 34.40 in the end walls 14.16 of the cylinder head 10 integrated storage chairs 42, 44 and on the carrier side through into the end walls 26.28 integrated bearing halves 46.48; the middle two camshaft bearings 36, 38 by means of bearing halves 50, 52 integrally formed on the carrier 24, to which by means Screws 54 bearing covers 56.58 are screwed on.

Die Lagerdeckel 56,58 sind - wie auf der Zeichnung ohne weiteres ersichtlich ist - von unten verschraubt und sind somit benachbart dem Ventilraum des Zylinderkopfes 10 positioniert.The bearing cover 56.58 are - as can be seen in the drawing without further notice is - screwed from below and are thus adjacent to the valve chamber of the cylinder head 10 positioned.

Die zweite, nicht ersichtliche Nockenwelle 22 ist gleichermaßen auf der Zeichnungsebene dahinter liegend angeordnet, wobei ggf. die Lagerdeckel 56,58 doppelt ausgeführt sein können und beide Nockenwellen 22 entsprechend lagern.The second, not visible camshaft 22 is equally on the Drawing level arranged behind, where necessary the bearing cover 56,58 can be double and both camshafts 22 accordingly to store.

Wenn der Träger 24 nicht als Ventildeckel ausgebildet ist und dementsprechend weniger steif konstruiert ist, dann kann ggf. wie in gestrichelten Linien dargestellt an den Boden 60 des Zylinderkopfes 10 eine nach oben bis zur Teilungsebene 20 ragende Wand oder ein Fuß 62 angegossen sein, der in Verbindung mit einer korrespondierenden Wand oder einem korrespondierenden Fuß 64 am Träger 24 eine Befestigungsanordnung bildet, die mittels einer in den Fuß 62 von der Oberseite des Trägers 24 aus eingeschraubten Schraube 66 eine zentral des Trägers 24 liegende Aussteifung mit dem Zylinderkopf 10 bildet.If the carrier 24 is not designed as a valve cover and accordingly is constructed less stiff, then you can, as in dashed lines shown on the bottom 60 of the cylinder head 10 one up to Partition plane 20 projecting wall or a foot 62 can be cast, which in Connection with a corresponding wall or a corresponding one Foot 64 forms a fastening arrangement on the carrier 24, which means one screwed into the foot 62 from the top of the bracket 24 Screw 66 a central stiffener of the support 24 with the cylinder head 10 forms.

Bei der spanenden Fertigung des Zylinderkopfes 10 mit dem Träger 24 werden die Lagerdeckel 56,58 mit dem Träger 24 fest verschraubt und anschließend der Träger 24 am Zylinderkopf 10 befestigt. In diesem Zustand werden die Lagerbohrungen 34,36,38,40 für die Nockenwellen 22 gebohrt. Anschließend wird der Träger 24 wieder vom Zylinderkopf entfernt und es können sodann die Nockenwellen 22 montiert werden. Ferner kann der Zylinderkopf 10 nach Montage der nicht dargestellten Gaswechselventile und der entsprechenden Ventilbetätigungselemente an den Zylinderkurbelgehäuse der Brennkraftmaschine mittels der Zylinderkopfschrauben 12 befestigt werden, wobei aufgrund des Fehlens der Nockenwellen 22 u. a. die Zylinderkopfschrauben 12 unbehindert zugänglich sind.During machining of the cylinder head 10 with the carrier 24 the bearing caps 56, 58 are screwed tightly to the carrier 24 and then the carrier 24 is attached to the cylinder head 10. In this condition the bearing bores 34, 36, 38, 40 are drilled for the camshafts 22. Then the carrier 24 is removed from the cylinder head and it the camshafts 22 can then be assembled. Furthermore, the cylinder head 10 after installation of the gas exchange valves and not shown the corresponding valve actuators on the cylinder crankcase attached to the internal combustion engine by means of the cylinder head screws 12 be, due to the lack of camshafts 22 u. a. the cylinder head bolts 12 are freely accessible.

Nach der Montage des Zylinderkopfes 10 wird dann der Träger 24 mit den vormontierten Nockenwellen 22 auf die besagte Anschlussfläche in der Teilungsebene 20 aufgesetzt und mittels der nicht dargestellten Schrauben befestigt. Die Befestigungsflächen sind dabei selbstverständlich auch als Dichtflächen ausgeführt; fern können an den Stellen, an den die Nockenwellen 22 die Stirnwände 14,26 bzw. 16,28 durchdringen, in bekannter Weise Wellendichtringe vorgesehen sein. After assembly of the cylinder head 10, the carrier 24 is then with the pre-assembled camshafts 22 on said connection surface in the division plane 20 placed and fastened by means of the screws, not shown. The mounting surfaces are of course also as sealing surfaces executed; distant at the points where the camshafts 22nd penetrate the end walls 14, 26 and 16, 28, in a known manner, shaft sealing rings be provided.

Es versteht sich, dass die Schmierölversorgung zumindest der innerhalb der Stirnwände 14,16 liegenden Nockenwellenlager 36,38 durch den Träger 24 erfolgen muss, wobei entsprechende Schmierölkanäle einzugießen und/oder einzubohren sind. Das Schmieröl kann beispielsweise von den Nockenwellenlagern 34,40 über Kanäle in der Deckwand 32 zu den innenliegenden Nockenwellenlagern 36,38 geleitet werden.It is understood that the lubricating oil supply is at least within the End walls 14, 16 lying camshaft bearings 36, 38 through the carrier 24 must take place, pouring in corresponding lubricating oil channels and / or are to be drilled. The lubricating oil can come from the camshaft bearings, for example 34.40 via channels in the top wall 32 to the interior Camshaft bearings 36.38 are directed.

Claims (7)

Lagerung zumindest einer Nockenwelle im Zylinderkopf einer ventilgesteuerten Hubkolben-Brennkraftmaschine, mit mehreren in einer Lagerteilungsebene angeordneten Nockenwellenlagern mit zylinderkopfseitigen Lagerstühlen und in einem aufsetzbaren Träger vorgesehenen, mit dem Lagerstühlen korrespondierenden Lagerhälften, dadurch gekennzeichnet, dass anstelle zumindest eines zylinderkopfseitigen Lagerstuhles das vollständige Nockenwellenlager (36,38) am Träger (24) angeordnet ist.Bearing at least one camshaft in the cylinder head of a valve-controlled Reciprocating piston internal combustion engine, with several in one bearing division level arranged camshaft bearings with cylinder head side Storage chairs and provided in an attachable carrier with which Corresponding bearing halves, characterized, that instead of at least one bearing head on the cylinder head, the complete Camshaft bearing (36,38) is arranged on the carrier (24). Lagerung nach Anspruch 1, dadurch gekennzeichnet, dass das Nockenwellenlager (36,38) ebenfalls in der Lagerteilungsebene (20) geteilt mit einem separaten Lagerdeckel (56,58) ausgeführt ist.Bearing according to claim 1, characterized in that the camshaft bearing (36,38) also shared in the bearing division level (20) a separate bearing cover (56,58) is executed. Lagerung nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, dass der Lagerdeckel (56,58) mit auf der Zylinderkopfseite positionierten Schrauben (54) an dem Träger (24) befestigt ist.Storage according to claims 1 and 2, characterized in that the bearing cover (56,58) with positioned on the cylinder head side Screws (54) is attached to the carrier (24). Lagerung nach einem oder mehreren der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass an den Stirnwänden (14,16) des Zylinderkopfes (10) Lagerstühle (42,44) integriert sind.Storage according to one or more of claims 1 to 3, characterized characterized in that on the end walls (14, 16) of the cylinder head (10) storage chairs (42,44) are integrated. Lagerung nach Anspruch 4, dadurch gekennzeichnet, dass alle zwischen den Stirnwänden (14,16) liegenden weiteren Nockenwellenlager (36,38) vollständig am Träger (24) angeordnet sind.Storage according to claim 4, characterized in that all between further camshaft bearings (36, 38) lying on the end walls (14, 16) are arranged completely on the carrier (24). Lagerung nach einem oder mehreren der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der Träger (24) über zumindest eine zwischen den stirnseitigen Nockenwellenlagern (34,40) liegende Befestigungsanordnung (62,64,66) mit dem Zylinderkopf (10) verbunden ist. Storage according to one or more of claims 1 to 5, characterized characterized in that the carrier (24) has at least one between the end mounting camshaft bearings (34,40) (62,64,66) is connected to the cylinder head (10). Lagerung nach einem oder mehreren der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass der Träger (24) in einen den Zylinderkopf (10) abdeckenden Ventildeckel integriert ist.Storage according to one or more of claims 1 to 6, characterized characterized in that the carrier (24) in a covering the cylinder head (10) Valve cover is integrated.
EP00126265A 1999-12-13 2000-12-01 Bearing arrangement for a cam shaft Expired - Lifetime EP1108859B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19959989A DE19959989A1 (en) 1999-12-13 1999-12-13 Bearing at least one camshaft
DE19959989 1999-12-13

Publications (3)

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EP1108859A2 true EP1108859A2 (en) 2001-06-20
EP1108859A3 EP1108859A3 (en) 2002-06-12
EP1108859B1 EP1108859B1 (en) 2006-04-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP00126265A Expired - Lifetime EP1108859B1 (en) 1999-12-13 2000-12-01 Bearing arrangement for a cam shaft

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EP (1) EP1108859B1 (en)
DE (2) DE19959989A1 (en)
ES (1) ES2257259T3 (en)

Cited By (4)

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Publication number Priority date Publication date Assignee Title
DE102007063254A1 (en) * 2007-12-31 2009-07-02 Mahle International Gmbh Cylinder head cover
CN101371011B (en) * 2006-01-19 2012-11-07 丰田自动车株式会社 Camshaft support structure for an internal combustion engine
GB2513328A (en) * 2013-04-23 2014-10-29 Gm Global Tech Operations Inc Cylinder head of an internal combustion engine
CN105715405A (en) * 2014-12-19 2016-06-29 福特环球技术公司 Unitary composite cam cover and carrier and assembly method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011012149A1 (en) * 2011-02-24 2012-09-13 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Cylinder head for internal combustion engine of motor vehicle, has camshaft bearing frame that is arranged on cylinder head housing, where camshaft bearing frame is fixed with central bearing points on cylinder head housing by screws

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DE4208725C2 (en) 1991-03-18 1995-02-16 Mazda Motor Internal combustion engine cylinder head structure
DE3943728C2 (en) 1989-12-11 1995-07-13 Porsche Ag Cylinder head of an internal combustion engine

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FR1511082A (en) * 1966-12-15 1968-01-26 Peugeot New arrangement of the camshaft on a heat engine or compressor and resulting machine
FR2663366B1 (en) * 1990-06-15 1994-09-16 Peugeot ARRANGEMENT OF CAMSHAFT IN THE CYLINDER HEAD OF AN INTERNAL COMBUSTION ENGINE.
DE4323073A1 (en) * 1993-07-10 1995-01-12 Audi Ag Reciprocating piston internal combustion engine
DE19504637C2 (en) * 1995-02-13 2000-06-08 Daimler Chrysler Ag Arrangement for mounting a camshaft and several control elements for gas exchange control on an internal combustion engine
DE19745761A1 (en) * 1997-10-16 1999-04-22 Daimler Chrysler Ag Variable valve control for reciprocating piston internal combustion engines

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DE3943728C2 (en) 1989-12-11 1995-07-13 Porsche Ag Cylinder head of an internal combustion engine
DE4208725C2 (en) 1991-03-18 1995-02-16 Mazda Motor Internal combustion engine cylinder head structure

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101371011B (en) * 2006-01-19 2012-11-07 丰田自动车株式会社 Camshaft support structure for an internal combustion engine
DE102007063254A1 (en) * 2007-12-31 2009-07-02 Mahle International Gmbh Cylinder head cover
JP2011508160A (en) * 2007-12-31 2011-03-10 マーレ インターナショナル ゲゼルシャフト ミット ベシュレンクテル ハフツング Cylinder head cover
CN101918694B (en) * 2007-12-31 2012-11-14 马勒国际有限公司 Cylinder head cover
US9175636B2 (en) 2007-12-31 2015-11-03 Mahle International Gmbh Cylinder head cover
GB2513328A (en) * 2013-04-23 2014-10-29 Gm Global Tech Operations Inc Cylinder head of an internal combustion engine
CN105715405A (en) * 2014-12-19 2016-06-29 福特环球技术公司 Unitary composite cam cover and carrier and assembly method

Also Published As

Publication number Publication date
ES2257259T3 (en) 2006-08-01
DE50012564D1 (en) 2006-05-24
DE19959989A1 (en) 2001-06-21
EP1108859B1 (en) 2006-04-12
EP1108859A3 (en) 2002-06-12

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