EP1108859A2 - Lagerung zumindest einer Nockenwelle - Google Patents
Lagerung zumindest einer Nockenwelle Download PDFInfo
- 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
- bearings
- 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
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
- F01L1/02—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
- 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.
Landscapes
- 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
Description
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.
- 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.
- 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.
- 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.
- Lagerung nach Anspruch 4, dadurch gekennzeichnet, dass alle zwischen den Stirnwänden (14,16) liegenden weiteren Nockenwellenlager (36,38) vollständig am Träger (24) angeordnet sind.
- 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.
- 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.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19959989 | 1999-12-13 | ||
| DE19959989A DE19959989A1 (de) | 1999-12-13 | 1999-12-13 | Lagerung zumindest einer Nockenwelle |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1108859A2 true EP1108859A2 (de) | 2001-06-20 |
| EP1108859A3 EP1108859A3 (de) | 2002-06-12 |
| EP1108859B1 EP1108859B1 (de) | 2006-04-12 |
Family
ID=7932429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00126265A Expired - Lifetime EP1108859B1 (de) | 1999-12-13 | 2000-12-01 | Lagerung zumindest einer Nockenwelle |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1108859B1 (de) |
| DE (2) | DE19959989A1 (de) |
| ES (1) | ES2257259T3 (de) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007063254A1 (de) * | 2007-12-31 | 2009-07-02 | Mahle International Gmbh | Zylinderkopfhaube |
| CN101371011B (zh) * | 2006-01-19 | 2012-11-07 | 丰田自动车株式会社 | 用于内燃发动机的凸轮轴支撑结构 |
| GB2513328A (en) * | 2013-04-23 | 2014-10-29 | Gm Global Tech Operations Inc | Cylinder head of an internal combustion engine |
| CN105715405A (zh) * | 2014-12-19 | 2016-06-29 | 福特环球技术公司 | 一体式复合材料凸轮盖和托架以及装配方法 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011012149A1 (de) * | 2011-02-24 | 2012-09-13 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Zylinderkopf für eine Verbrennungskraftmaschine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4208725C2 (de) | 1991-03-18 | 1995-02-16 | Mazda Motor | Verbrennungsmotor-Zylinderkopfstruktur |
| DE3943728C2 (de) | 1989-12-11 | 1995-07-13 | Porsche Ag | Zylinderkopf einer Brennkraftmaschine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1511082A (fr) * | 1966-12-15 | 1968-01-26 | Peugeot | Nouvel agencement de l'arbre à cames sur un moteur thermique ou compresseur et machine en résultant |
| FR2663366B1 (fr) * | 1990-06-15 | 1994-09-16 | Peugeot | Agencement d'arbre a cames dans la culasse d'un moteur a combustion interne. |
| DE4323073A1 (de) * | 1993-07-10 | 1995-01-12 | Audi Ag | Hubkolben-Brennkraftmaschine |
| DE19504637C2 (de) * | 1995-02-13 | 2000-06-08 | Daimler Chrysler Ag | Anordnung zur Lagerung einer Nockenwelle und mehrerer Steuerelemente zur Gaswechselsteuerung an einer Brennkraftmaschine |
| DE19745761A1 (de) * | 1997-10-16 | 1999-04-22 | Daimler Chrysler Ag | Variable Ventilsteuerung für Hubkolben-Brennkraftmaschinen |
-
1999
- 1999-12-13 DE DE19959989A patent/DE19959989A1/de not_active Withdrawn
-
2000
- 2000-12-01 EP EP00126265A patent/EP1108859B1/de not_active Expired - Lifetime
- 2000-12-01 ES ES00126265T patent/ES2257259T3/es not_active Expired - Lifetime
- 2000-12-01 DE DE50012564T patent/DE50012564D1/de not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3943728C2 (de) | 1989-12-11 | 1995-07-13 | Porsche Ag | Zylinderkopf einer Brennkraftmaschine |
| DE4208725C2 (de) | 1991-03-18 | 1995-02-16 | Mazda Motor | Verbrennungsmotor-Zylinderkopfstruktur |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101371011B (zh) * | 2006-01-19 | 2012-11-07 | 丰田自动车株式会社 | 用于内燃发动机的凸轮轴支撑结构 |
| DE102007063254A1 (de) * | 2007-12-31 | 2009-07-02 | Mahle International Gmbh | Zylinderkopfhaube |
| JP2011508160A (ja) * | 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 | シリンダヘッドカバー |
| CN101918694B (zh) * | 2007-12-31 | 2012-11-14 | 马勒国际有限公司 | 汽缸盖罩 |
| 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 (zh) * | 2014-12-19 | 2016-06-29 | 福特环球技术公司 | 一体式复合材料凸轮盖和托架以及装配方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2257259T3 (es) | 2006-08-01 |
| DE19959989A1 (de) | 2001-06-21 |
| DE50012564D1 (de) | 2006-05-24 |
| EP1108859B1 (de) | 2006-04-12 |
| EP1108859A3 (de) | 2002-06-12 |
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