EP0967369B1 - Zylinderkopf einer Brennkraftmaschine - Google Patents
Zylinderkopf einer Brennkraftmaschine Download PDFInfo
- Publication number
- EP0967369B1 EP0967369B1 EP99108102A EP99108102A EP0967369B1 EP 0967369 B1 EP0967369 B1 EP 0967369B1 EP 99108102 A EP99108102 A EP 99108102A EP 99108102 A EP99108102 A EP 99108102A EP 0967369 B1 EP0967369 B1 EP 0967369B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder head
- combustion engine
- oil
- internal
- engine according
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
- F01M9/10—Lubrication of valve gear or auxiliaries
-
- 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
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
- F02F1/4214—Shape or arrangement of intake or exhaust channels in cylinder heads specially adapted for four or more valves per cylinder
-
- 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
- F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
- F02B2275/18—DOHC [Double overhead camshaft]
-
- 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
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F2001/244—Arrangement of valve stems in cylinder heads
- F02F2001/245—Arrangement of valve stems in cylinder heads the valve stems being orientated at an angle with the cylinder axis
Definitions
- the invention relates to a cylinder head of an internal combustion engine with a device for returning lubricating oil from the interior of the cylinder head after Genus of the main claim.
- a generic cylinder head in which one overhead camshaft is mounted.
- the interior housing the camshaft is in the longitudinal direction of the cylinder head through transverse walls into individual subspaces divided. These transverse walls also form the camshaft bearing.
- Each of these sub-rooms has an opening at the bottom of the Cylinder head housing trained manifold connected.
- a cylinder head is also known in which - without that this is explicitly shown or described - two overhead camshafts are stored.
- There is a separate manifold on the outside of the cylinder head is attached, which is arranged over several in the cylinder head and over the Longitudinal distribution of distributed bores is connected to the interior.
- About these Bores will accumulate in the interior of the cylinder head, at the Lubricating oil escaping into the manifold from various bearing points via a pump and a return line with the oil reservoir of the Internal combustion engine is connected.
- In the oil-bearing interior of the cylinder head relatively large amounts of oil are carried, which at the bearings of the camshafts and the tappet or valve lever should come out.
- the invention is therefore based on the object of a cylinder head Internal combustion engine with a device for returning lubricating oil from the To improve the interior so that the free oil in the interior as little as possible foamed and quickly reached the suction point.
- the amount of oil freely located in the interior of the cylinder head can be kept low and the accumulation of large amounts of oil in the interior Accelerations / decelerations and / or cornering can be avoided.
- Such a partitioning of the interior can be particularly advantageous take place when the bearing sections for receiving the camshafts as transverse walls be trained and consistently up to the adjacent side walls are led.
- the camshaft bearing and transverse wall function there is sufficient space for partitioning the interior Housing the cams and the stroke transmission elements, for example Cup tappet or valve lever.
- the space can particularly advantageous way as an oil-free space for receiving a spark plug or an injector can be used.
- a foreclosure not only achieved the advantages described above with regard to the oil flow, in addition, a very rigid structure of the cylinder head is made possible.
- a particularly safe oil extraction is advantageously ensured if the two manifolds at their end facing away from the suction point are connected. Collects in such a cylinder head due to Accelerations the oil in the cylinder head essentially in the range this connection point, the oil in the first manifold can also be sucked off via the connection of the two manifolds.
- the manifolds can be particularly advantageous and inexpensive Manufacture if these are cast in with cast components of the cylinder head be, so that neither external lines, screw connections with appropriate Leakage problems or long holes with the corresponding effort in the Manufacturing are needed.
- the cylinder head shown in Figures 1 to 4 is not limited to this Exemplary embodiment as one of the two cylinder heads of a 6-cylinder boxer engine shown, which is installed in the longitudinal direction of the vehicle.
- This cylinder head is composed of three housing components, a cylinder head basic housing 1, a camshaft housing 2 and a cylinder head cover 3.
- Das Cylinder head basic housing 1 has a lower flange surface 4, which is used for connection to serves the cylinder block or the crankcase, not shown.
- the upper Flange surface 5 of the cylinder head base housing 1 is in contact with the installed cylinder head the lower flange surface 6 of the camshaft housing. Its upper Flange surface 7 bears against the flange surface 8 of the cylinder head cover 3.
- the Camshaft housing 2 is used to accommodate tappets, not shown for actuating the gas exchange valves and at the same time contains the lower bearing caps for receiving the two camshafts 9.
- the camshaft housing 2 and Cylinder head cover 3 enclose an interior in which the camshafts rotate and in which the operation of the internal combustion engine from the bearings of Camshafts and the tappet collecting lubricating oil.
- This Interior is divided by two longitudinal walls 10 and 11, which together with the Form outer walls 12 and 13 three longitudinal sections. These three longitudinal sections are divided by two transverse walls 14 and 15, each up to the Outer walls 12, 13 and extend to the upper flange surface 7.
- the lower halves of the bearing bores 16 are each formed in the transverse walls.
- Four further bearing sections 17 are formed in the outer walls 18 and 19.
- On the Bearing sections 17 and the lower halves of the bearing bores in the transverse walls 14 and 15 are the upper bearing shells 20 for camshaft bearings screwed.
- the longitudinal walls 10 and 11 and the transverse walls 14 and 15 are in Connection to the outer walls 12, 13, 18 and 19 three upper sub-spaces 21A to 21C, three middle subspaces 22A to 22A and three lower subspaces 23A to 23C limited.
- the upper part spaces 21A to 21C are the inlet-side Cup tappet and the associated sections of the intake camshaft and in the lower part spaces 23A to 23C corresponding to the outlet-side tappets and the associated part of the exhaust camshaft each arranged a cylinder.
- the middle subspaces 22A to 22C are bores 24 opening into the combustion chamber arranged to receive spark plugs or not shown Serve injectors.
- the cylinder head cover 3 lies with its outer walls 25 to 28 on the Flange surface 7 of the camshaft housing 2.
- the cylinder head cover has it in addition, two longitudinal webs 29 and 30 pulled down, sealing against the Longitudinal walls 10 and 11 rest.
- the cylinder head cover 3 is designed such that he the camshafts 9, the cam circles and the bearing areas of the camshafts encompasses at a short distance.
- Through this customized Contour of the cylinder head cover ensures that the gap 32nd between the camshaft bearings and the cylinder head cover as low as possible are.
- the cantilevers 31 ensure that the Spaces 32 are angled in the longitudinal direction of the cylinder head, so that oil penetration is made difficult or largely prevented.
- an oil collection channel 33 which is connected to the subspaces 23A to 23C is.
- an opening 34, 35 is in each case in the region of the transverse walls 14 and 15 Outer wall 13 formed, the opening cross-section or their position and Extension in the longitudinal direction of the cylinder head is measured so that it with the neighboring subspaces 23A, 23B and 23B, 23C cooperate.
- the Subspace 23A is additionally arranged in the area of the outer wall 18 Opening 36 connected to the manifold 33.
- Another opening 37 connects the manifold 33 in the area of the outer wall 19 with the subspace 23C. So is each of the three compartments 23A to 23C via a front and a rear Transfer associated with the manifold.
- a cast-in channel 38 formed, which bridges the middle subspaces 22A to 22C and the upper and connects the lower parts of the room.
- These channels 38 are in their Cross-sectional shape or its location and extent in the longitudinal direction of the Cylinder head designed so that the arranged in the region of the transverse wall 14 Channel 38 the upper compartments 21A and 21B with the lower compartments 23A and 23B combines.
- the channel 38 arranged in the region of the transverse wall 15 connects correspondingly, the upper subspaces 21B and 21C with the lower subspaces 22B and 22C.
- a channel 39 connects the upper subspace 21A with the lower part 23A.
- Another channel 40 in the area of the outer wall 19 connects the upper part space 21C with the lower part space 23C. So they are Subspaces 21A to 21C each via a front and rear channel with the lower Subspaces and connected to the manifold 33 via this.
- This manifold 41 has a suction port 42, the is arranged in the region of the outer wall 26. In the area of this outer wall is at the embodiment of the chain case 43 described here, which for Includes or covers the control drive, not shown.
- a bore 45 is arranged which of the Flange surface 8 starts and opens into the interior of the manifold 41. This Bore 45 is connected to an aligned bore 46 which is from the upper Flange surface 7 of the camshaft housing 2 starting from the manifold 33 empties.
- This manifold is also provided with a suction port 47, the is arranged in the region of the chain case 43.
- the two suction connections 42 and 47 are not one with the suction side shown, known oil pump connected, which the extracted oil in the promotes also not shown oil reservoir of the internal combustion engine.
- the Suction can take place, for example, via two separate oil pumps, it is however, it is also possible to extract oil via a pump with two separate Make suction connections.
- This arrangement of the manifold and the staggered arrangement of the Connections in the interior or in the sub-rooms ensures that even at strongly fluctuating oil levels in the interior of the cylinder head always at least one of the two manifolds with its corresponding cross connection the interior is connected that the respective cross connection is constantly below the Oil level is located.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Description
- Fig. 1
- eine Draufsicht auf die dem Zylinderkopfdeckel zugewandte Flanschfläche des Nockenwellengehäuses,
- Fig. 2
- eine Draufsicht auf die Flanschfläche des Zylinderkopfdeckels,
- Fig. 3
- einen Querschnitt durch den Zylinderkopf entlang der Linie III-III nach Fig. 1 und
- Fig. 4
- einen Längsschnitt durch das Nockenwellengehäuse entlang der Linie IV-IV nach Fig. 1.
Claims (11)
- Zylinderkopf (1, 2, 3), einer mehrzylindrigen Brennkraftmaschine, mit zwei obenliegenden Nockenwellen (9) und mit einer Einrichtung zur Rückführung von Schmieröl aus dem Innenraum des Zylinderkopfes in einen Ölvorratsbehälter mit mindestens einer sich in Längsrichtung des Zylinderkopfes erstreckenden Sammelleitung (33, 41), die mit einem Sauganschluß (42, 47) einer Pumpe verbunden ist, dadurch gekennzeichnet, daß der die Nockenwellen (9) aufnehmende, ölführende Innenraum durch Querwände (14, 15) und durch Längswände (10, 11) zwischen den beiden Nockenwellen in Teilräume (21A bis 21 C, 22A bis 22C, 23A bis 23C) unterteilt ist, die jeweils mit der Sammelleitung (33, 41) verbunden sind.
- Zylinderkopf einer Brennkraftmaschine nach Anspruch 1, dadurch gekennzeichnet, daß die Querwände (14, 15) die unteren Lagerschalen der Nockenwellenlagerung bilden.
- Zylinderkopf einer Brennkraftmaschine nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß zwei beabstandete Längswände (10, 11) im Zylinderkopf ausgebildet sind, durch die ein ölfreier Raum (22A bis 22C) zur Aufnahme einer Zündkerze oder einer Einspritzvorrichtung abgetrennt ist.
- Zylinderkopf einer Brennkraftmaschine nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Sammelleitung (33, 41) unterhalb der in Einbaulage unteren Teilräume (23A bis 23C) angeordnet ist, und daß die Verbindung der Sammelleitung zu den unteren Teilräumen (34 bis 37) und die zu den oberen Teilräumen (38 bis 40) räumlich übereinanderliegen.
- Zylinderkopf einer Brennkraftmaschine nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Teilräume (23A bis 23C) über zwei an gegenüberliegenden Wänden angeordnete Öffnungen (34 bis 37) mit der Sammelleitung (33) verbunden sind.
- Zylinderkopf einer Brennkraftmaschine nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß im Bereich der Nockenwellenlagerung eine Querverbindung (38 bis 40) zwischen den beiden benachbarten Teilräumen (21A bis 21C, 23A bis 23C) ausgebildet ist.
- Zylinderkopf einer Brennkraftmaschine nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß am Zylinderkopf (1, 2, 3) zwei getrennte, sich jeweils in Längsrichtung des Zylinderkopfes erstreckende Sammelleitungen (33, 41) angeordnet sind, die jeweils mit dem Innenraum verbunden sind, und von denen die erste Sammelleitung (33) im vorderen oder hinteren Bereich des Zylinderkopfes und die zweite Sammelleitung (41) nur im gegenüberliegenden hinteren oder vorderen Bereich des Zylinderkopfes mit dessen Innenraum verbunden ist.
- Zylinderkopf einer Brennkraftmaschine nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die erste Sammelleitung (33) mindestens in einem vorderen oder hinteren Bereich und einem mittleren Bereich des Zylinderkopfes mit dessen Innenraum verbunden ist.
- Zylinderkopf einer Brennkraftmaschine nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß der Zylinderkopf (1, 2, 3) aus mehreren Bauteilen zusammengesetzt ist, und daß die beiden Sammelleitungen (33, 41) in verschiedenen Bauteilen (2, 3) ausgebildet sind.
- Zylinderkopf einer Brennkraftmaschine nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die eine Sammelleitung (41) in einem Zylinderkopfdeckel (3) ausgebildet ist.
- Zylinderkopf einer Brennkraftmaschine nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die eine Sammelleitung (33) in einem Nockenwellengehäuse (2) ausgebildet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19828308 | 1998-06-25 | ||
DE19828308A DE19828308A1 (de) | 1998-06-25 | 1998-06-25 | Zylinderkopf einer Brennkraftmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0967369A1 EP0967369A1 (de) | 1999-12-29 |
EP0967369B1 true EP0967369B1 (de) | 2003-03-05 |
Family
ID=7871976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99108102A Expired - Lifetime EP0967369B1 (de) | 1998-06-25 | 1999-04-24 | Zylinderkopf einer Brennkraftmaschine |
Country Status (5)
Country | Link |
---|---|
US (1) | US6138631A (de) |
EP (1) | EP0967369B1 (de) |
JP (1) | JP2000045741A (de) |
DE (2) | DE19828308A1 (de) |
ES (1) | ES2189306T3 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102486136A (zh) * | 2010-12-31 | 2012-06-06 | 上汽通用五菱汽车股份有限公司 | 发动机盖 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3824832B2 (ja) * | 2000-02-10 | 2006-09-20 | 本田技研工業株式会社 | 内燃機関のシリンダヘッド |
KR100444468B1 (ko) * | 2002-05-28 | 2004-08-16 | 현대자동차주식회사 | 엔진오일의 온도저감을 위한 엔진구조 |
DE102005060145A1 (de) * | 2005-12-16 | 2007-06-21 | Bayerische Motoren Werke Ag | Zylinderkopf für eine Brennkraftmaschine |
JP4270313B2 (ja) * | 2007-09-27 | 2009-05-27 | 三菱自動車工業株式会社 | シリンダヘッド |
JP4270314B2 (ja) * | 2007-09-27 | 2009-05-27 | 三菱自動車工業株式会社 | シリンダヘッド |
US8813710B2 (en) * | 2011-07-27 | 2014-08-26 | Chrysler Group Llc | Cylinder head assembly and method of forming the same |
DE102013223018B4 (de) * | 2013-11-12 | 2015-08-13 | Bayerische Motoren Werke Aktiengesellschaft | Antriebsaggregat, Verbrennungsmotor, Abstandshalter für eine Fluidleitungsanordnung und Werkzeugsatz zur Montage eines Abstandshalters |
CN104329138B (zh) * | 2014-10-10 | 2016-06-01 | 重庆隆鑫发动机有限公司 | 一种气缸头盖多点喷射润滑结构 |
AT523106B1 (de) * | 2019-10-25 | 2021-07-15 | Avl List Gmbh | Zylinderkopfstruktur für eine brennkraftmaschine |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2737901C2 (de) * | 1977-08-23 | 1983-01-05 | Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart | Gehäuse für eine Nockenwelle einer Brennkraftmaschine für Kraftfahrzeuge |
JPS61167145A (ja) * | 1985-01-19 | 1986-07-28 | Mazda Motor Corp | Dohc多気筒エンジンのシリンダヘツド構造 |
DE3513126C2 (de) * | 1985-04-12 | 1987-02-12 | Daimler-Benz Ag, 7000 Stuttgart | Flüssigkeitsgekühlter Vierventil-Zylinderkopf für eine mehrzylindrige Brennkraftmaschine |
JPH088287Y2 (ja) * | 1988-02-22 | 1996-03-06 | 日産自動車株式会社 | Dohc4バルブ型内燃機関のシリンダヘッド |
US4915066A (en) * | 1988-07-20 | 1990-04-10 | Mazda Motor Corporation | Valve train for V-type double-overhead-camshaft engine |
US5161495A (en) * | 1989-07-14 | 1992-11-10 | Yamaha Hatsudoki Kabushiki Kaisha | Lubrication arrangement for engine |
DE4007939C1 (en) * | 1990-03-13 | 1991-08-08 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | Oil return system from IC engine cylinder head to sump - has oil return line completely outside engine block, and collector on cylinder head casing outside |
DE4307368A1 (de) * | 1993-03-09 | 1994-09-15 | Porsche Ag | Zylinderkopf für eine Brennkraftmaschine |
DE4324791A1 (de) * | 1993-07-23 | 1995-01-26 | Porsche Ag | Zylinderkopfanordnung einer Brennkraftmaschine |
DE4424248C1 (de) * | 1994-07-09 | 1995-12-07 | Porsche Ag | Brennkraftmaschine mit zwei gegen die Vertikale geneigten Zylinderbänken |
DE19630192C2 (de) * | 1996-07-26 | 1998-05-28 | Porsche Ag | Zylinderkopfanordnung einer Brennkraftmaschine |
-
1998
- 1998-06-25 DE DE19828308A patent/DE19828308A1/de not_active Withdrawn
-
1999
- 1999-04-24 ES ES99108102T patent/ES2189306T3/es not_active Expired - Lifetime
- 1999-04-24 EP EP99108102A patent/EP0967369B1/de not_active Expired - Lifetime
- 1999-04-24 DE DE59904419T patent/DE59904419D1/de not_active Expired - Lifetime
- 1999-06-22 JP JP11175736A patent/JP2000045741A/ja not_active Withdrawn
- 1999-06-25 US US09/344,246 patent/US6138631A/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102486136A (zh) * | 2010-12-31 | 2012-06-06 | 上汽通用五菱汽车股份有限公司 | 发动机盖 |
Also Published As
Publication number | Publication date |
---|---|
DE19828308A1 (de) | 1999-12-30 |
JP2000045741A (ja) | 2000-02-15 |
DE59904419D1 (de) | 2003-04-10 |
EP0967369A1 (de) | 1999-12-29 |
ES2189306T3 (es) | 2003-07-01 |
US6138631A (en) | 2000-10-31 |
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