EP0967381A1 - Culasse pour moteur à combustion - Google Patents

Culasse pour moteur à combustion Download PDF

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Publication number
EP0967381A1
EP0967381A1 EP99108108A EP99108108A EP0967381A1 EP 0967381 A1 EP0967381 A1 EP 0967381A1 EP 99108108 A EP99108108 A EP 99108108A EP 99108108 A EP99108108 A EP 99108108A EP 0967381 A1 EP0967381 A1 EP 0967381A1
Authority
EP
European Patent Office
Prior art keywords
cylinder head
manifold
internal combustion
combustion engine
oil
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
EP99108108A
Other languages
German (de)
English (en)
Other versions
EP0967381B1 (fr
Inventor
Roland Stromsky
Albrecht Reustle
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.)
Dr Ing HCF Porsche AG
Original Assignee
Dr Ing HCF Porsche 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
Application filed by Dr Ing HCF Porsche AG filed Critical Dr Ing HCF Porsche AG
Publication of EP0967381A1 publication Critical patent/EP0967381A1/fr
Application granted granted Critical
Publication of EP0967381B1 publication Critical patent/EP0967381B1/fr
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
    • 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
    • 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 is for example from DE 40 07 939 C1 known. There is a separate manifold on the outside of this cylinder head attached, the several arranged 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 from various bearing points is led into the manifold via a pump and a return line with the oil reservoir of the Internal combustion engine is connected. With such cylinder heads, it can in Depending on the installation position of the internal combustion engine, that does not happen the oil accumulating in the cylinder head is extracted under all operating conditions becomes.
  • Such a cylinder head for example, in the longitudinal direction of the motor vehicle installed, accumulates either when accelerating or Decelerate the oil on the side of the cylinder head facing away from the pump. As a result, the manifold may not be completely filled with oil, so that via the connections facing the pump to the interior of the Air is sucked into the cylinder head and the oil in the cylinder head is not extracted becomes. If such a cylinder head is installed transversely to the direction of travel, can For example, when cornering corresponding air is sucked in Oil located in the cylinder head cannot be extracted.
  • a cylinder head of an internal combustion engine with a device for returning lubricating oil from the interior improve that even with strong accelerations / decelerations or at When cornering, the oil collected in the interior of the cylinder head is sucked out and can be returned to the oil reservoir.
  • a particularly safe oil extraction is advantageously ensured if the two manifolds at their ends 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 corresponding Leakage problems or long holes with the corresponding effort in the Manufacturing are needed.
  • the cylinder head shown in Figures 1 to 5 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 base 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 with the cylinder head installed the lower flange surface 6 of the camshaft housing connected.
  • the top Flange surface 7 is connected to 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, also not shown.
  • the Camshaft housing 2 and cylinder head cover 3 enclose an interior 9, in which the camshafts described above rotate and in which are in operation the internal combustion engine from the bearings of the camshafts and Cup tappet collects escaping lubricating oil.
  • This interior 9 is by two Longitudinal walls 10 and 11 in an upper part space 12 and a lower one in the installed position Subspace 13 separated. These subspaces 12 and 13 are each by the Storage chairs 14 divided in the longitudinal direction.
  • transverse channels 15 are the upper part 12 and the lower part 13 connected to each other, so that Oil accumulating in the upper part 12 via the transverse channels 15 in the lower Subspace 13 can flow.
  • This subspace 13 is in turn connected via transverse channels 16 a cast, in the longitudinal direction of the camshaft housing extending oil collection channel 17 connected.
  • Two of the transverse channels 16 are included each arranged in the area of a storage chair 14, with their opening area in the interior 9 or the subspace 13 in both longitudinal directions over the width of the Bearing chair 14 extends.
  • Three further transverse channels 16 connect the subspace 13 the manifold 17 in the middle of the cylinders.
  • a further manifold 19 is formed on the lower longitudinal wall is also cast in the cast cylinder head cover 3.
  • This The manifold 19 has a suction connection 20 which is connected to one of the two end walls 21 is arranged.
  • the one described here Embodiment of the chain case 22 is formed, which for receiving or Cover of the control drive, not shown, is used.
  • a bore 25 which is arranged by the Flange surface 8 starts and opens into the interior of the manifold 19.
  • This Bore 25 is connected to an aligned bore 26 which is from the upper Flange surface 7 of the camshaft housing 2 starting in the manifold 17th flows.
  • This manifold is also provided with a suction port 27, the is also arranged in the area of the chain case 22.
  • the two suction connections 20 and 27 are each 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 use a pump with two separate oil extraction systems Make suction connections.
  • the manifold 13 is in an analogous manner via the bores 25 and 26 filled.
  • This arrangement of the manifold and the staggered arrangement of the Connections to the interior ensures that even with strongly fluctuating Oil levels in the interior of the cylinder head always at least one of the two Bus lines with their corresponding cross connection so with the interior is connected that the respective cross connection 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)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
EP99108108A 1998-06-25 1999-04-24 Culasse pour moteur à combustion Expired - Lifetime EP0967381B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19828307A DE19828307A1 (de) 1998-06-25 1998-06-25 Zylinderkopf einer Brennkraftmaschine
DE19828307 1998-06-25

Publications (2)

Publication Number Publication Date
EP0967381A1 true EP0967381A1 (fr) 1999-12-29
EP0967381B1 EP0967381B1 (fr) 2003-06-04

Family

ID=7871975

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99108108A Expired - Lifetime EP0967381B1 (fr) 1998-06-25 1999-04-24 Culasse pour moteur à combustion

Country Status (5)

Country Link
US (1) US6135082A (fr)
EP (1) EP0967381B1 (fr)
JP (1) JP2000038911A (fr)
DE (2) DE19828307A1 (fr)
ES (1) ES2195466T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2177723A1 (fr) * 2008-10-17 2010-04-21 GE Jenbacher GmbH & Co. OHG Guidage de poussoir

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10250303A1 (de) 2002-10-29 2004-05-19 Bayerische Motoren Werke Ag Zylinderkopf einer Brennkraftmaschine mit Nockenwellenlagerleiste
JP4049006B2 (ja) * 2003-04-24 2008-02-20 三菱自動車工業株式会社 シリンダヘッド構造
DE102005060145A1 (de) * 2005-12-16 2007-06-21 Bayerische Motoren Werke Ag Zylinderkopf für eine Brennkraftmaschine
JP4365856B2 (ja) * 2006-12-21 2009-11-18 株式会社オティックス カムシャフトの支持構造及び支持部材
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
DE102008014828A1 (de) 2008-03-18 2009-09-24 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Brennkraftmaschine
US8397689B2 (en) * 2010-05-17 2013-03-19 GM Global Technology Operations LLC Fuel pump tappet/roller follower lubrication
JP6561580B2 (ja) * 2015-05-25 2019-08-21 日産自動車株式会社 内燃機関
AT523106B1 (de) * 2019-10-25 2021-07-15 Avl List Gmbh Zylinderkopfstruktur für eine brennkraftmaschine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4649873A (en) * 1984-11-01 1987-03-17 Yamaha Hatsudoki Kabushiki Kaisha Oil return system for overhead cam 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
EP0599095A1 (fr) * 1992-11-20 1994-06-01 Adam Opel Ag Dispositif de ventilation du carter de vilebrequin d'un moteur à combustion interne avec des cylindres agencés en V
DE4424248C1 (de) * 1994-07-09 1995-12-07 Porsche Ag Brennkraftmaschine mit zwei gegen die Vertikale geneigten Zylinderbänken
DE19619183C1 (de) * 1996-05-11 1997-07-03 Porsche Ag Zylinderkopfanordnung einer Brennkraftmaschine
GB2318615A (en) * 1996-10-26 1998-04-29 Daimler Benz Ag Venting device for a crankcase of an internal combustion engine

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2139740A1 (de) * 1971-08-07 1973-03-08 Daimler Benz Ag Oelwanne fuer einen motor
IT1047395B (it) * 1975-10-09 1980-09-10 Fiat Veicoli Ind Motore a combustione interna con cilindri a v
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
DE3641129C1 (de) * 1986-12-02 1987-07-30 Daimler Benz Ag Vorrichtung zur Lagerung von zwei Nockenwellen im Zylinderkopf einer mehrzylindrigen Reihenbrennkraftmaschine
JP2709815B2 (ja) * 1988-01-11 1998-02-04 ヤマハ発動機株式会社 過給機付エンジンのシリンダヘッド構造
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
US5161495A (en) * 1989-07-14 1992-11-10 Yamaha Hatsudoki Kabushiki Kaisha Lubrication arrangement for engine
DE4324791A1 (de) * 1993-07-23 1995-01-26 Porsche Ag Zylinderkopfanordnung einer Brennkraftmaschine
JP3104497B2 (ja) * 1993-09-30 2000-10-30 スズキ株式会社 シリンダヘッドの構造
DE19618401C1 (de) * 1996-05-08 1997-07-03 Porsche Ag Zylinderkopfanordnung einer Brennkraftmaschine
DE19630192C2 (de) * 1996-07-26 1998-05-28 Porsche Ag Zylinderkopfanordnung einer Brennkraftmaschine
JPH10184323A (ja) * 1996-12-26 1998-07-14 Yamaha Motor Co Ltd ４サイクルエンジン
JP3319336B2 (ja) * 1997-05-01 2002-08-26 三菱自動車工業株式会社 エンジンのオイル通路構造

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4649873A (en) * 1984-11-01 1987-03-17 Yamaha Hatsudoki Kabushiki Kaisha Oil return system for overhead cam 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
EP0599095A1 (fr) * 1992-11-20 1994-06-01 Adam Opel Ag Dispositif de ventilation du carter de vilebrequin d'un moteur à combustion interne avec des cylindres agencés en V
DE4424248C1 (de) * 1994-07-09 1995-12-07 Porsche Ag Brennkraftmaschine mit zwei gegen die Vertikale geneigten Zylinderbänken
DE19619183C1 (de) * 1996-05-11 1997-07-03 Porsche Ag Zylinderkopfanordnung einer Brennkraftmaschine
GB2318615A (en) * 1996-10-26 1998-04-29 Daimler Benz Ag Venting device for a crankcase of an internal combustion engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2177723A1 (fr) * 2008-10-17 2010-04-21 GE Jenbacher GmbH & Co. OHG Guidage de poussoir

Also Published As

Publication number Publication date
ES2195466T3 (es) 2003-12-01
JP2000038911A (ja) 2000-02-08
DE19828307A1 (de) 1999-12-30
US6135082A (en) 2000-10-24
DE59905799D1 (de) 2003-07-10
EP0967381B1 (fr) 2003-06-04

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