EP0838585B1 - Culasse pour un moteur à combustion interne à plusieurs cylindres - Google Patents

Culasse pour un moteur à combustion interne à plusieurs cylindres Download PDF

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Publication number
EP0838585B1
EP0838585B1 EP97117109A EP97117109A EP0838585B1 EP 0838585 B1 EP0838585 B1 EP 0838585B1 EP 97117109 A EP97117109 A EP 97117109A EP 97117109 A EP97117109 A EP 97117109A EP 0838585 B1 EP0838585 B1 EP 0838585B1
Authority
EP
European Patent Office
Prior art keywords
flow
cylinder head
cylinder
coolant water
longitudinal
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
Application number
EP97117109A
Other languages
German (de)
English (en)
Other versions
EP0838585A1 (fr
Inventor
Stjepan Poropatic
Ulrich Dr. Weiss
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.)
Mercedes Benz Group AG
Original Assignee
DaimlerChrysler 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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Publication of EP0838585A1 publication Critical patent/EP0838585A1/fr
Application granted granted Critical
Publication of EP0838585B1 publication Critical patent/EP0838585B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • F02F1/26—Cylinder heads having cooling means
    • F02F1/36—Cylinder heads having cooling means for liquid cooling
    • F02F1/40—Cylinder heads having cooling means for liquid cooling cylinder heads with means for directing, guiding, or distributing liquid stream 
    • 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 a multi-cylinder internal combustion engine according to the preamble of claim 1.
  • the cooling water chamber is divided by a partition into an upper and a lower cooling water chamber, a longitudinal flow in the upper cooling water chamber and a transverse flow of the cooling water through the cylinder head in the lower cooling water chamber to achieve particularly good cooling of the walls near the combustion chamber.
  • dead water zones can occur along the partition wall, which impair the cooling, in particular of the outlet channels and of the shaft receiving a spark plug or an injection nozzle.
  • the invention has for its object in a generic Cylinder head in particular the cooling of the shaft and to improve the exhaust ducts.
  • a guide device which the longitudinal flow and at least the cooling water of the cross flow through the inlet opening is supplied between the outlet channels to the Directs the shaft.
  • the guide device can be connected to an outlet channel be molded on.
  • a can in the cooling water room above the threshold Shaft surrounding, parallel to the cylinder head floor Plate are provided, which prevents the cooling water the cross flow too quickly into the upper area of the cooling water chamber escapes.
  • the cylinder head shown in the drawings has one Floor 1, a ceiling 2 and side walls 3 on a cooling water room 4 limit.
  • the cooling water chamber is 4 per cylinder penetrated by two inlet channels 5, two outlet channels 6 and a shaft 7, which is a spark plug or an injection nozzle records.
  • the cooling water chamber 4 is in the longitudinal direction (arrows L) and in Area of each combustion chamber 8 additionally in the transverse direction (arrows Q) flows through.
  • the cooling water for the longitudinal flow is on the left in Fig. 1 end of the cylinder head and on the right End drained.
  • the cooling water for the cross flow is through Openings 10 between the inlet channels 5 and through openings 11 fed between the outlet channels 6, which with the cooling water chamber in the cylinder block.
  • the cooling water the cross flow essentially unites after flowing through the area near the combustion chamber with the cooling water of the longitudinal flow and flows with it in Fig. 1 to the right.
  • a threshold 12 is provided which extends from the floor 1 in the Cooling water chamber 4 extends and extends transversely to the direction of flow.
  • the longitudinally flowing cooling water is through the threshold 12 deflected from the cylinder head base 1, whereby stagnation points with the Cross flow can be avoided, which is poor heat dissipation would result.
  • the longitudinal flow thus runs in one Distance from the cylinder head floor.
  • it is not like the State of the art separated from the cross flow by a partition one flow can flow the other at the boundary layers carry away, so dead water zones are avoided.
  • a plate Surround 13 which lies above the threshold 12 and is parallel extends to the cylinder head base 1. This plate prevents the cross-flow cooling water flows out too quickly upwards, but without the flow of cooling water into the shaft to hinder the longitudinal flow. Additional is in the Direction of flow of the longitudinal flow in front of the dome 7 a guide device 14 provided in the embodiment example to the outlet channel 6 is formed and, as can be seen from Fig. 1, part of the cooling water of the longitudinal flow around the Shaft 7 leads around. This guide device also causes a corresponding guidance of the emerging from the inflow opening 11 Cross flow cooling water.
  • the cross section of the inflow opening 11 can be made larger are called the cross section of the inlet opening 10 so that a larger part of the cooling water of the cross flow through the opening 11 flows into the cooling water chamber 4 and the thermal highly stressed areas of the cylinder base between the exhaust ports as well as the areas of the exhaust ducts near the combustion chamber and the shaft cools particularly intensively.
  • a preferred cooling of the exhaust side of the cylinder head is also achieved in that the cylinder head cover 2, as from Fig. 2 can be seen, is lowered towards the inlet side, so that the thermally highly stressed outlet side is cooled more as the inlet side.

Claims (5)

  1. Culasse pour un moteur à combustion interne à plusieurs cylindres, comportant un fond (1) et un couvercle (2), qui délimitent une chambre à eau de refroidissement (4), qui est traversée par des canaux (5, 6) de changement des gaz et, pour chaque cylindre, par un conduit (7) qui loge une bougie d'allumage ou un injecteur, et qui est parcourue par l'eau de refroidissement dans une direction longitudinale et, dans sa partie inférieure voisine du fond (1), dans une direction transversale,
    caractérisée en ce qu'en amont des canaux (5, 6) de changement de gaz de chaque cylindre est prévu, dans la direction de circulation de l'écoulement longitudinal (L), un seuil (12) qui s'étend à partir du fond (1) dans la chambre à eau de refroidissement (4) et qui est disposé transversalement par rapport à la direction de circulation de l'écoulement longitudinal.
  2. Culasse selon la revendication 1, caractérisée en ce que des ouvertures d'amenée (10, 11) pour l'écoulement transversal (Q) sont prévues respectivement entre des canaux d'entrée et de sortie voisins (5 et 6), et qu'en amont de chaque conduit (7) dans la direction de circulation de l'écoulement longitudinal (L) est prévu un dispositif de guidage (14), qui dévie autour du conduit (7) l'écoulement longitudinal et au moins l'eau de refroidissement de l'écoulement transversal (Q), qui est introduite par l'ouverture d'amenée (11) entre le canaux de sortie (6).
  3. Culasse selon la revendication 2, caractérisée en ce que l'ouverture d'amenée (11) possède, entre des canaux de sortie voisins (6'), une section transversale plus supérieure à celle de l'ouverture d'amenée (10) entre des canaux d'entrée voisins (5).
  4. Culasse selon la revendication 2 ou 3, caractérisée en ce que le dispositif de guidage (14) est formé dans un canal de sortie (6).
  5. Culasse selon l'une des revendications 1 à 4, caractérisée en ce qu'une plaque (13), qui entoure le conduit (7) et s'étend parallèlement au fond (1), est prévue dans la chambre à eau de refroidissement (4), au-dessus du seuil (12).
EP97117109A 1996-10-25 1997-10-02 Culasse pour un moteur à combustion interne à plusieurs cylindres Expired - Lifetime EP0838585B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19644409A DE19644409C1 (de) 1996-10-25 1996-10-25 Zylinderkopf einer Mehrzylinder-Brennkraftmaschine
DE19644409 1996-10-25

Publications (2)

Publication Number Publication Date
EP0838585A1 EP0838585A1 (fr) 1998-04-29
EP0838585B1 true EP0838585B1 (fr) 2001-06-06

Family

ID=7809989

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97117109A Expired - Lifetime EP0838585B1 (fr) 1996-10-25 1997-10-02 Culasse pour un moteur à combustion interne à plusieurs cylindres

Country Status (3)

Country Link
US (1) US5868106A (fr)
EP (1) EP0838585B1 (fr)
DE (2) DE19644409C1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004005749B4 (de) * 2004-02-05 2014-01-02 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Kühlflüssigkeitsummantelter Zylinderkopf mit optimiertem Kühlflüssigkeitsraum

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9702055L (sv) * 1997-05-30 1998-11-30 Volvo Ab Förbränningsmotor
DE19943003C1 (de) * 1999-09-09 2000-11-09 Porsche Ag Zylinderkopf für eine wassergekühlte Brennkraftmaschine
DE19943001C1 (de) 1999-09-09 2000-10-26 Porsche Ag Zylinderkopf für eine wassergekühlte Brennkraftmaschine
DE10026376B4 (de) * 2000-05-27 2015-04-30 Volkswagen Ag Flüssigkeitsgekühlter Zylinderkopf für eine Brennkraftmaschine
US6363893B1 (en) 2001-04-03 2002-04-02 Honda Giken Kogyo Kabushiki Kaisha Water jacket for multi-cylinder internal combustion engine
JP2003056343A (ja) * 2001-08-10 2003-02-26 Toyota Industries Corp 内燃機関のシリンダヘッド冷却構造
US6817322B2 (en) 2002-09-03 2004-11-16 Caterpillar Inc. Cylinder head
JP4100279B2 (ja) * 2003-07-16 2008-06-11 三菱自動車工業株式会社 シリンダヘッド先行冷却式のエンジン
DE102004040227A1 (de) * 2004-08-18 2006-02-23 Bayerische Motoren Werke Ag Zylinderkopf für eine wassergekühlte Mehrzylinder-Brennkraftmaschine
AT502089B1 (de) * 2005-06-23 2007-07-15 Man Nutzfahrzeuge Ag Zylinderkopf für eine brennkraftmaschine
US8082894B2 (en) * 2005-11-04 2011-12-27 Avl List Gmbh Cylinder head having coolant flow guide device
US8899207B2 (en) * 2009-10-14 2014-12-02 Southwest Research Institute Cylinder head for an engine
CN101956627B (zh) * 2010-06-08 2012-10-03 东风汽车公司 具有强化冷却“鼻梁区”高温部位的汽油机气缸盖
DE102010038055A1 (de) * 2010-10-08 2012-04-12 Ford Global Technologies, Llc Brennkraftmaschine mit Flüssigkeitskühlung
JP6127950B2 (ja) * 2013-12-09 2017-05-17 マツダ株式会社 エンジンの冷却構造
JP6123660B2 (ja) * 2013-12-09 2017-05-10 マツダ株式会社 エンジンの冷却構造
AT521514B1 (de) * 2018-09-14 2020-02-15 Avl List Gmbh Zylinderkopf

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR799128A (fr) * 1935-03-04 1936-06-06 Perfectionnements aux culasses de moteurs à explosion
US3818878A (en) * 1973-04-23 1974-06-25 Gen Motors Corp Improved cylinder head cooling
US4304199A (en) * 1979-12-31 1981-12-08 Fiat Veicoli Industriali S.P.A. Cylinder head for compression-ignition internal combustion engines having precombustion chambers
JPS56148647A (en) * 1980-04-22 1981-11-18 Nissan Motor Co Ltd Cooling water jacket of internal combustion engine cylinder head
DE3513126A1 (de) * 1985-04-12 1986-10-30 Daimler-Benz Ag, 7000 Stuttgart Fluessigkeitsgekuehlter vierventil-zylinderkopf fuer eine mehrzylindrige brennkraftmaschine
DE4222801C2 (de) * 1992-07-10 1995-05-18 Daimler Benz Ag Zylinderkopf einer Brennkraftmaschine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004005749B4 (de) * 2004-02-05 2014-01-02 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Kühlflüssigkeitsummantelter Zylinderkopf mit optimiertem Kühlflüssigkeitsraum

Also Published As

Publication number Publication date
DE59703721D1 (de) 2001-07-12
EP0838585A1 (fr) 1998-04-29
US5868106A (en) 1999-02-09
DE19644409C1 (de) 1998-01-29

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