EP1554483B1 - Tete de cylindre a renfort interieur destinee a un moteur a combustion interne a pistons refroidi par eau - Google Patents

Tete de cylindre a renfort interieur destinee a un moteur a combustion interne a pistons refroidi par eau Download PDF

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Publication number
EP1554483B1
EP1554483B1 EP03750517A EP03750517A EP1554483B1 EP 1554483 B1 EP1554483 B1 EP 1554483B1 EP 03750517 A EP03750517 A EP 03750517A EP 03750517 A EP03750517 A EP 03750517A EP 1554483 B1 EP1554483 B1 EP 1554483B1
Authority
EP
European Patent Office
Prior art keywords
cylinder head
cooling water
cylinder
intermediate webs
water
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
EP03750517A
Other languages
German (de)
English (en)
Other versions
EP1554483A1 (fr
Inventor
Franz Maassen
Ralf Gruner
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.)
FEV Europe GmbH
Original Assignee
FEV Motorentechnik GmbH and Co KG
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 FEV Motorentechnik GmbH and Co KG filed Critical FEV Motorentechnik GmbH and Co KG
Publication of EP1554483A1 publication Critical patent/EP1554483A1/fr
Application granted granted Critical
Publication of EP1554483B1 publication Critical patent/EP1554483B1/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
    • F02F1/42—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
    • 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
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition

Definitions

  • a cylinder head for a reciprocating internal combustion engine in which the areas enclosed by a flame deck and a top deck cooling water areas of the cylinder head divided across an intermediate wall leading into a lower, bounded by the flame deck cooling water area and into an upper bounded by the upper deck cooling water area is, wherein the lower and the upper cooling water leading region should have no cross-connections for a cooling water exchange between the lower and the upper region so as to be able to perform separate cooling water flows over the cylinder head.
  • the manufacture of such a cylinder head presents casting problems. Due to the separate cooling water flow in the cylinder head can also occur due to temperature differences due to the lack of cross-exchange of cooling water between the hotter lower and less hot upper area adverse thermal stresses in the cylinder head.
  • the invention has for its object to provide a cylinder head, on the one hand has a high dimensional stability, on the other hand leads to a substantially uniform cooling by the passing cooling water.
  • cooling water cylinder head with the features of claim 1, with cooling water inlet and cooling water outlet for a water-cooled multi-cylinder reciprocating internal combustion engine, with one of a flame deck and a top deck enclosed cavity per cylinder of a whistle for the use of a fuel injector and at least one gas inlet channel and at least one gas outlet channel and pipes for the cylinder head bolts is interspersed, wherein the remaining free areas between fire deck and upper deck serve as cooling water ducts, and which is provided in a part of the cooling water leading areas with intermediate webs. It has been found that the arrangement of such intermediate webs is sufficient to cause the required stiffening of the cylinder head. Since the individual intermediate webs are arranged at a distance from each other, sufficiently large openings remain, which bring about a good exchange between the cooling water flowing past in the vicinity of the flame deck and the cooling water flowing past the upper deck.
  • the intermediate webs are formed flat and are aligned with their larger surface substantially parallel to the fire deck.
  • This embodiment has the advantage that the intermediate webs can be formed relatively thin-walled, but have a sufficient cross-section with sufficient extension to effect the desired strength and thus the desired stiffening. This also ensures that the flow resistance can be kept low.
  • Another advantage is that the intermediate webs, when they are connected in the region of the gas outlet and the gas inlet ducts, the cooling surface for the Gas outlet passages increase or cause a small amount of heat transfer from the gas outlet channels to the gas inlet channels.
  • the leading edge and / or the trailing edge of at least a portion of the intermediate webs by a corresponding shaping at the same time a guiding function to more thermally higher loaded areas, especially on the flame deck, more with cooling water to flow.
  • FIG. 1 A very schematically illustrated cross-section through a cylinder head 1 for a multi-cylinder piston internal combustion engine for the diesel process essentially comprises a flame deck 2 and an upper deck 3, which enclose a cavity which has an unspecified Cooling water inlet and with a not specified cooling water drain is in communication and flows through the cooling water.
  • the flame deck 2 closes an only indicated cylinder block ZB with the cylinders Z on the top.
  • the cavity is penetrated in each case in the cylinder areas of at least one gas inlet channel 4 and at least one gas outlet channel 5 and a pipe 6 for a fuel injector and pipes 7 for the cylinder head bolts.
  • the cylinder head for a working according to the Otto method piston internal combustion engine has a similar structure.
  • the remaining between the flame deck 2 and the upper deck 3 areas 8.1, 8.2, 8.3, 8.4 and 8.5 serve as cooling water ducts, which can be traversed longitudinally or transversely depending on the connection with the cooling water inlet and the cooling water drain.
  • each intermediate webs 9 are arranged in a part of the water-carrying areas, the surface of which for clarity in Fig. 2 as well as in Fig. 3 are highlighted by a cross-hatching.
  • the intermediate webs 9 extend approximately parallel to the flame deck 2 in the embodiment.
  • the intermediate webs 9 each extend between the gas inlet ducts 4 and the gas outlet ducts 5 and thus stiffen the region immediately above the cylinders Z indicated by a dot-dash line.
  • Fig. 3 is in a cut accordingly Fig. 2 another embodiment shown, are provided in the intermediate webs 9 respectively in the intermediate regions between two adjacent cylinders Z.
  • each of the leading edges 11 and / or the trailing edges 12 of the intermediate webs 9 can be designed so that they - related to the flow direction - for the cooling water perform a guiding function, so to targeted thermal high-pressure areas of the flame deck targeted guidance of the cooling water and / or a targeted replacement of cooling water between near the flame cover areas and near the top areas.
  • Fig. 4 is another example of the design of the cooling water leading areas shown in conjunction with intermediate webs.
  • stiffening ribs 10 are provided, which run in the plane of the intermediate webs 9 at least over a part of the walls bounding the cavity and define openings 13 between adjacent intermediate webs 9. It is expedient in this case if the stiffening ribs 10 merge into the intermediate webs.
  • the stiffening ribs 10 delimiting the apertures 13 form the walls delimiting the cavity, for example the gas inlet channels and the gas outlet channels , a substantial stiffening.
  • Fig. 5 is gem.
  • Fig. 3 the principle of a longitudinal flow of the cooling water through the cooling water-carrying areas 8 indicated.
  • the arrow L E shows that the cooling water exits at the opposite end side again, so that the cylinder head is flowed through the length.
  • the intermediate webs are flowed through on their upper deck 3 side facing, in each case above the free space between two successive intermediate webs, a cooling water exchange between the fall deck side and the upper deck side takes place.
  • Fig. 6 is also gem.
  • Fig. 3 the principle of the cross-flow of the cooling water through the cooling water-carrying area 8 indicated.
  • the arrows Q E indicate that on the side of the gas outlet channels 5 from a longitudinal channel 14 as an inlet, which may be integrated in the cylinder head or the engine block, cooling water transversely to the longitudinal direction of the cylinder head 1 in the cooling water-carrying areas 8, each associated with a cylinder 7 , entry.
  • the arrows Q E indicate this only schematically. The exact position with respect to the respective cylinder Z depends on the respective structural conditions, in particular on the design of the gas outlet channels 5 and corresponding to the gas inlet channels 4.
  • a collecting channel 15 is accordingly provided as an outlet, in which from the individual, each assigned to a cylinder areas, the cooling water exits. This is indicated schematically by the arrows Q A. Again, the actual position depends on the design conditions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Details Of Reciprocating Pumps (AREA)

Claims (3)

  1. Tête de cylindre parcourue longitudinalement ou transversalement par de l'eau de refroidissement, destinée à un moteur à combustion interne à pistons multicylindre refroidi par eau, comportant un espace creux recouvrant les cylindres, délimité par un pare-flamme (2) et un capot (3), traversé par des pipes destinées à l'utilisation d'un injecteur de carburant et/ou d'un système de cylindres et/ou à des vis de tête de cylindre, pour chaque cylindre (Z), par au moins un canal d'admission de gaz (4) et par au moins un canal d'échappement (5), les zones libres (8) comprises entre le pare-flamme (2) et le capot (3) servant de conduites d'eau de refroidissement, ladite tête de cylindre étant pourvue d'entretoises intermédiaires (9) dans une partie des zones guidant l'eau de refroidissement, les entretoises intermédiaires (9) étant conçues planes et étant orientées avec leur surface plus grande sensiblement parallèlement au pare-flamme (2) et, par rapport à un sens d'écoulement (10) de l'eau de refroidissement, les arêtes avant (11) et/ou les arêtes arrière (12) étant formées par au moins une partie des entretoises intermédiaires (9) comme élément de guidage d'écoulement.
  2. Tête de cylindre selon l'une quelconque des revendications 1 à 3, caractérisée en ce que des nervures de renfort (10) sont prévues, lesquelles sont agencées dans le plan des entretoises intermédiaires (9) au moins sur une partie des parois délimitant l'espace creux.
  3. Tête de cylindre selon la revendication 4, caractérisée en ce que les nervures de renfort (10) font place aux entretoises intermédiaires (9).
EP03750517A 2002-10-25 2003-09-11 Tete de cylindre a renfort interieur destinee a un moteur a combustion interne a pistons refroidi par eau Expired - Lifetime EP1554483B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20216452U DE20216452U1 (de) 2002-10-25 2002-10-25 Zylinderkopf für eine wassergekühlte Kolbenbrennkraftmaschine mit Innenversteifung
DE20216452U 2002-10-25
PCT/EP2003/010072 WO2004038206A1 (fr) 2002-10-25 2003-09-11 Tete de cylindre a renfort interieur destinee a un moteur a combustion interne a pistons refroidi par eau

Publications (2)

Publication Number Publication Date
EP1554483A1 EP1554483A1 (fr) 2005-07-20
EP1554483B1 true EP1554483B1 (fr) 2011-04-06

Family

ID=7976319

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03750517A Expired - Lifetime EP1554483B1 (fr) 2002-10-25 2003-09-11 Tete de cylindre a renfort interieur destinee a un moteur a combustion interne a pistons refroidi par eau

Country Status (7)

Country Link
US (1) US7100545B2 (fr)
EP (1) EP1554483B1 (fr)
CN (1) CN1697921A (fr)
AT (1) ATE504730T1 (fr)
AU (1) AU2003270170A1 (fr)
DE (2) DE20216452U1 (fr)
WO (1) WO2004038206A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022116178A1 (de) 2022-06-29 2022-11-24 FEV Europe GmbH Leichtbauzylinderkopf

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1632653B1 (fr) * 2004-09-04 2011-02-16 Kwang Yang Motor Co., Ltd. Passage pour l'eau de refroidissement dans une culasse
US8899207B2 (en) * 2009-10-14 2014-12-02 Southwest Research Institute Cylinder head for an engine
CN103459814B (zh) * 2011-04-11 2015-12-09 丰田自动车株式会社 内燃机的气缸盖
AT511601B1 (de) * 2011-07-28 2013-01-15 Avl List Gmbh Zylinderkopf mit flüssigkeitskühlung
JP6973093B2 (ja) * 2018-01-10 2021-11-24 トヨタ自動車株式会社 内燃機関
JP7208053B2 (ja) * 2019-02-19 2023-01-18 株式会社Subaru 冷却装置
US11566580B1 (en) * 2021-10-26 2023-01-31 Progress Rail Locomotive Inc. Cylinder head assembly having fuel injector sleeve for mid-deck reacting of injector clamping load

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1750729A (en) * 1927-06-13 1930-03-18 Nordberg Manufacturing Co Cylinder head for internal-combustion engines
DE1476397A1 (de) * 1965-01-05 1969-05-29 Motoren Werke Mannheim Ag Wassergekuehlte Brennkraftmaschine
DE2460972C2 (de) * 1974-12-21 1982-07-15 Mtu Motoren- Und Turbinen-Union Friedrichshafen Gmbh, 7990 Friedrichshafen Flüssigkeitsgekühlter Zylinderkopf
JPS63186923U (fr) * 1987-05-26 1988-11-30
DE3819655C1 (fr) * 1988-06-09 1989-01-26 Daimler-Benz Ag, 7000 Stuttgart, De
DE4222801C2 (de) * 1992-07-10 1995-05-18 Daimler Benz Ag Zylinderkopf einer Brennkraftmaschine
JP2941124B2 (ja) * 1992-08-24 1999-08-25 ダイハツ工業株式会社 四弁式内燃機関におけるシリンダヘッドの構造
JP2866259B2 (ja) * 1992-08-24 1999-03-08 ダイハツ工業株式会社 四弁式内燃機関におけるシリンダヘッドの構造

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022116178A1 (de) 2022-06-29 2022-11-24 FEV Europe GmbH Leichtbauzylinderkopf
DE102023001162A1 (de) 2022-06-29 2024-01-04 FEV Europe GmbH Leichtbauzylinderkopf

Also Published As

Publication number Publication date
EP1554483A1 (fr) 2005-07-20
DE20216452U1 (de) 2002-12-19
CN1697921A (zh) 2005-11-16
ATE504730T1 (de) 2011-04-15
US20050229875A1 (en) 2005-10-20
WO2004038206A1 (fr) 2004-05-06
AU2003270170A1 (en) 2004-05-13
DE50313604D1 (de) 2011-05-19
US7100545B2 (en) 2006-09-05

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