EP0784150B1 - Bloc à cylindres d'un moteur à combustion interne multicylindre - Google Patents

Bloc à cylindres d'un moteur à combustion interne multicylindre Download PDF

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Publication number
EP0784150B1
EP0784150B1 EP96118314A EP96118314A EP0784150B1 EP 0784150 B1 EP0784150 B1 EP 0784150B1 EP 96118314 A EP96118314 A EP 96118314A EP 96118314 A EP96118314 A EP 96118314A EP 0784150 B1 EP0784150 B1 EP 0784150B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
cooling jacket
radiator tank
cooling water
cylinder crankcase
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
EP96118314A
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German (de)
English (en)
Other versions
EP0784150A1 (fr
Inventor
Frank Berger
Kurt Moll
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.)
Daimler Benz 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
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Application filed by DaimlerChrysler AG filed Critical DaimlerChrysler AG
Publication of EP0784150A1 publication Critical patent/EP0784150A1/fr
Application granted granted Critical
Publication of EP0784150B1 publication Critical patent/EP0784150B1/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 
    • F02F1/02—Cylinders; Cylinder heads  having cooling means
    • F02F1/10—Cylinders; Cylinder heads  having cooling means for liquid cooling
    • F02F1/108—Siamese-type cylinders, i.e. cylinders cast together
    • 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
    • F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
    • F01M5/002—Cooling
    • 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 or frames
    • F02F7/0002—Cylinder arrangements
    • F02F7/0007—Crankcases of engines with cylinders in line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/08—Arrangements of lubricant coolers
    • 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
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B2075/1804—Number of cylinders
    • F02B2075/1816—Number of cylinders four

Definitions

  • the invention relates to a cylinder crankcase Multi-cylinder internal combustion engine according to the preamble of the claim 1.
  • Cylinders are formed by cylinder walls that are made up of one at least partially around an outer circumference of the cylinder walls extending cooling water jacket are surrounded.
  • the cooling water jacket is through at least one cooling water jacket wall and the cylinder walls educated.
  • a lubricating oil circuit includes one on the side Oil cooler arranged on the cylinder crankcase. Laterally on Cylinder crankcase is molded into a water tank in the the oil cooler is integrated and the openings to the cooling water jacket Has. The openings are used for fluid communication of cooling water jacket and water tank.
  • a section of the cooling water jacket wall at the same time forms a limitation on the cylinder side of the water box.
  • the document JP 05 321667 A shows only a single opening the cooling water heated by an oil cooler from a water tank emerge towards the cylinder essentially in the transverse direction of the engine can, so that the hot cooling water also an undesirable local temperature increase of the flow Cylinder. Due to the provision between the cylinders Partitions is the formation of a pronounced water flow not possible in the longitudinal direction of the engine.
  • DE 40 29 408 A1 is a cylinder crankcase Multi-cylinder internal combustion engine known, the cylinder walls of the cylinder crankcase from one in the longitudinal direction of the cylinder crankcase extending cooling water jacket are surrounded and the cooling water jacket by one of the Cylinder walls spaced cooling water jacket wall is formed. Furthermore, it is located on the side of the cylinder crankcase an oil cooler of a lubrication circuit of the internal combustion engine, wherein the oil cooler in a flange-mounted on the cylinder crankcase Oil cooler housing is arranged.
  • the invention has for its object a generic To design the cylinder crankcase to be as compact as possible, wherein at the same time the best possible integration of the oil cooler surrounding water jacket in the cooling water circuit of the Internal combustion engine is reachable.
  • the compact Structure of the cylinder crankcase by an essentially rectified flow guidance of two cooling water flows one constant inflow and flow around the individual cylinders can be effected without serious temperature differences.
  • Coolant jacket By running essentially along the entire cylinder height Coolant jacket is the integration of the oil cooler surrounding water jacket in the cooling water circuit of the internal combustion engine further improved by the flow around the cylinder this area is almost undisturbed and therefore fully functional is held.
  • the cooling water jacket wall for the fluid connection of Cooling water jacket wall and water tank can depend on the dimensioning of the oil cooler and the water tank and the resulting flow cross sections an influence of the cooling water flow in the area of the water box Section of the cooling water jacket wall can be made.
  • An advantage of the formation of cooling water channels in the cross-engine direction between adjacent cylinder walls lies in the further improved cooling effect because of the arrangement of the cylinders arises between adjacent cylinder walls through the poorer heat dissipation a heat accumulation that leads to undesirable temperature peaks in the adjacent cylinder walls.
  • Cooling water channels will be a more uniform cooling and thus achieve a more uniform thermal expansion of the individual cylinders.
  • the embodiment of the invention according to claim 2 represents a preferred one construction of the cylinder crankcase. Through the screw pipes formed on the cooling water jacket walls becomes a simple and inexpensive in series producible screw connection of the cylinder head realized.
  • An advantage of the embodiment of the invention according to claim 6 is that by the one-piece total water core, which the volumes of water tank filled with cooling water, cooling water jacket and cooling water channels in the manufacture of the cylinder head (usually made of die-cast aluminum) Total water core can be represented by a single, one-piece casting core is, for example, in the croning form mask process is easy and inexpensive to manufacture in large quantities.
  • Fig. 1 shows a cylinder crankcase 1 of a not shown multi-cylinder internal combustion engine
  • the cylinders 2-5 are formed by cylinder walls 2'-5 ', which are around one the outer periphery extending cooling water jacket 7 surround are by at least one cooling water jacket wall 10 and Cylinder walls 2'-5 'is formed.
  • an oil cooler 8 is arranged, which is in a laterally on Cylinder crankcase 1 molded water tank 9 integrated is.
  • the oil cooler 8 is part of a principle known, not Lubricating oil circuit of the internal combustion engine shown in more detail.
  • the through the outer circumference of the cylinder walls 2'-5 'and the Cooling water jacket wall 10 formed cooling water jacket 7 is in Direction of the cylinder transverse axes 2a-5a spaced from the cylinder walls 2'-5 'and runs along the vertical axes 2b-5b of the cylinders 2-5 and in the engine longitudinal direction.
  • a Section 22 of the cooling water jacket wall 10 simultaneously a cylinder side Limitation of the water tank 9, the cooling water jacket 7 in said section 22 essentially continuously runs.
  • Openings 23 for fluid connection of the cooling water jacket 7 and water box 9 arranged.
  • cooling water channels 24, 25 and 26 are arranged in the transverse direction of the engine, the opposite and running in the longitudinal direction of the engine Sections 27, 28 of the cooling water jacket 7 in terms of flow connect.
  • stiffeners in the form of screw pipes 29 for screw connection of a cylinder head, not shown molded (see Fig. 2 and 3).
  • a special feature of the cylinder crankcase 1 according to the invention lies in the fact that it is produced using the aluminum die-casting process the volumes of cooling water filled with Cooling water jacket 7, the water tank 9 and the cooling water channels 24-26 can be represented by a uniform total water core are, for example in the croning form mask process as one piece Casting core can be produced.
  • a water pump forcibly generates one Circulation of the cooling water in the cooling water circuit, the Cooling water conveyed by the water pump on an end face 30 of the cylinder crankcase 1 via an associated with the water tank 9 first inlet opening 31 and the cooling water jacket 7 assigned second inlet opening 32 in the cylinder crankcase 1 occurs.
  • the main directions of flow are Cooling water flow in the cooling water jacket 7 and in the water tank 9 essentially rectified.
  • the oil cooler 8 is attached to a cover 33 of the water tank 9 (see Fig. 2), the connections for feeding the to cooling and to drain the cooled lubricating oil on the lid 33 are arranged.
  • the cover 33 is with screws in threaded holes, the sprues 38 formed on the water tank 9 are introduced, attached.
  • the oil cooler 8 is with the lid 33 connected to a unit and mountable with it removable.
  • the cooling water flow through the cooling water jacket 7 and the water tank 9 is in Fig. 1, starting from the two end faces Inlet openings 31 and 32, indicated by arrows W.
  • the cooling water flows both in the water box 9 and in the water jacket 7 essentially in the direction of the longitudinal axis 6 of the cylinder crankcase 1, along the openings 23 in the cooling water jacket wall 10 a certain mixing of the two currents takes place.
  • the flow guidance shown serves primarily the better clarification of the cooling water flow through the cylinder crankcase 1. Furthermore, by an appropriate Dimensioning of the cross sections of the cooling water in one desired direction at specified points of the cooling water jacket to be led past.
  • FIG. 2 shows a section II - II of FIG. 1. Same Components of Fig. 1 are identified by the same reference numerals. Below the cylinder 2 is a bearing block 34 Crankshaft bearing 35 arranged a crankshaft, not shown. The bearing 16 is on the right above the bearing chair 34 the camshaft, not shown, bearing 16 and Crankshaft bearing 35 via a dashed-line pressure oil line 39 are supplied with lubricating oil.
  • the screw whistle 29 is below the passage opening 27a to see the screw connection for the cylinder head.
  • the screw whistle 29 causes only a slight one Cross-sectional reduction of the cooling water jacket 7, however the rigidity of the cooling water jacket wall 10 is significantly increased.
  • the section 28 of the cooling water jacket 7 of the cylinder crankcase 1 also runs parallel to the longitudinal axis 6 of the cylinder crankcase 1 and in the direction of the vertical axis 2b of the cylinder 2.
  • the height of the section 28 is somewhat lower because of the camshaft bearing 16.
  • a section III - III of Fig. 1 is shown, wherein here the oil cooler 8 is not shown. Same components 1 and 2 are identified by the same reference numerals.
  • On the side of the cylinder crankcase facing the cylinder head 1 are the screw pipes 29 for the screw connection of the cylinder head arranged.
  • the cooling water channel 24, of the two sections 27 and 28 of the cooling water jacket 7 connects in terms of flow, has in addition to the openings 23 for Water box 9 (see Fig. 1) also via a below the Screw pipe 29 arranged opening 34 a flow connection with the water box 9.
  • the cooling water channel has between the two screw pipes 29 24 a curved contour on its geodetically upper side 35, being below this contour, approximately in the middle of the Cooling water channel 24, a support pin 36 is arranged, which two adjacent cylinder walls 2 'and 3' (see Fig. 1) against each other supports.
  • the support pin 36 is on the cylinder crankcase 1 cast on.

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  • 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)

Claims (6)

  1. Carter à cylindres d'un moteur à combustion interne multicylindres, dont les cylindres sont formés par les parois de cylindre, qui sont entourées par une chemise d'eau de refroidissement, qui s'étend au moins en partie autour de la circonférence extérieure des parois des cylindres et qui est formée par au moins une paroi de chemise d'eau de refroidissement et les parois de cylindre, comprenant aussi un circuit d'huile de lubrification, qui comporte un refroidisseur à huile monté latéralement contre le carter à cylindres, un réservoir à eau étant coulé contre le carter à cylindres latéralement, réservoir où est intégré le refroidisseur à huile et qui est doté d'orifices communiquant avec la chemise d'eau de refroidissement, lesquels assurent une liaison hydrodynamique entre la chemise d'eau de refroidissement et le réservoir à eau, une partie de la paroi de la chemise d'eau de refroidissement formant en même temps une délimitation du réservoir à eau du côté du cylindre,
       caractérisé en ce que la chemise d'eau de refroidissement (7), dans une partie (22) de la paroi de la chemise d'eau de refroidissement (10) qui délimite le réservoir à eau (9), s'étend dans le sens d'un axe vertical (2b, 3b) des cylindres (2, 3) et dans le sens long du moteur (6) depuis une face supérieure (37) du carter à cylindres (1) jusqu'en dessous du réservoir à eau (9) et sensiblement en continu et en ce que, au niveau d'une face frontale (30) du carter à cylindres (1), il est prévu pour l'eau de refroidissement un premier orifice d'admission (31) associé au réservoir à eau (9), et un deuxième orifice d'admission (32) associé à la chemise d'eau de refroidissement (7), les orifices (23) du réservoir à eau (9) communiquant avec la chemise d'eau de refroidissement (7) sont réalisés dans la partie (22) de la paroi de chemise d'eau de refroidissement (10) qui délimite le réservoir à eau (9), l'eau de refroidissement circulant dans le réservoir à eau (9), ainsi que dans la chemise d'eau de refroidissement (7) sensiblement dans le sens de l'axe longitudinal (6) du moteur du carter à cylindres (1) et il se produit le long des orifices (23) dans la paroi de la chemise d'eau de refroidissement (10), en quelque sorte un brassage des deux flux, et des canaux d'eau de refroidissement (24-26), destinés à assurer la liaison hydrodynamique entre des parties (27, 28) en vis-à-vis de la chemise d'eau de refroidissement (7), étant disposés entre des parois de cylindre (2', 3' ; 3', 4' ; 4', 5') contiguës dans le sens transversal du moteur.
  2. Carter à cylindres selon la revendication 1, caractérisé en ce que des renforcements pour pipes filetées (29), destinées à l'assemblage vissé d'une culasse de cylindre, sont moulés contre la partie (22) de la paroi de la chemise d'eau de refroidissement (10) qui délimite le réservoir à eau (9).
  3. Carter à cylindres selon la revendication 1 ou 2, caractérisé en ce qu'au moins la chemise d'eau de refroidissement (7) et le réservoir à eau (9) forment une pièce centrale globale homogène remplie d'eau et qui peut être réalisée sous forme de noyau de coulée en une seule pièce.
  4. Carter à cylindres selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le refroidisseur à huile (8) est fixé contre un couvercle (33) du réservoir à eau (9), les raccords destinés à l'admission de l'huile de lubrification à refroidir et à l'évacuation de l'huile de lubrification refroidie étant disposés contre le couvercle (33).
  5. Carter à cylindres selon la revendication 4, caractérisé en ce que le refroidisseur à huile (8) peut être monté et démonté avec le couvercle (33) du réservoir à eau (9).
  6. Carter à cylindres selon la revendication 1 ou 3, caractérisé en ce que le volume intérieur du réservoir à eau (9), la chemise d'eau de refroidissement (7) et les canaux d'eau de refroidissement (24-26) forment une pièce centrale globale remplie d'eau, qui peut être formée par un noyau de coulée en une seule pièce.
EP96118314A 1996-01-09 1996-11-15 Bloc à cylindres d'un moteur à combustion interne multicylindre Expired - Lifetime EP0784150B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19600566 1996-01-09
DE19600566A DE19600566C1 (de) 1996-01-09 1996-01-09 Zylinderkurbelgehäuse einer mehrzylindrigen Brennkraftmaschine

Publications (2)

Publication Number Publication Date
EP0784150A1 EP0784150A1 (fr) 1997-07-16
EP0784150B1 true EP0784150B1 (fr) 2000-06-07

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ID=7782389

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96118314A Expired - Lifetime EP0784150B1 (fr) 1996-01-09 1996-11-15 Bloc à cylindres d'un moteur à combustion interne multicylindre

Country Status (5)

Country Link
US (1) US5758608A (fr)
EP (1) EP0784150B1 (fr)
BR (1) BR9700019A (fr)
DE (2) DE19600566C1 (fr)
MX (1) MX9700265A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6827049B2 (en) 2002-05-28 2004-12-07 Hyundai Motor Company Water jacket for cylinder head
DE102009041708A1 (de) 2009-09-16 2011-03-24 GM Global Technology Operations, Inc., Detroit Schraubenpfeife für einen Zylinderkopf einer Brennkraftmaschine, Zylinderkopf, Brennkraftmaschine und Fahrzeug sowie Verfahren zur Herstellung einer Schraubenpfeife

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Publication number Priority date Publication date Assignee Title
JP3852723B2 (ja) * 1997-09-12 2006-12-06 本田技研工業株式会社 竪型内燃機関
DE19823254C5 (de) * 1998-05-26 2007-10-18 Daimlerchrysler Ag Brennkraftmaschine
GB2338514A (en) * 1998-06-20 1999-12-22 Cummins Engine Co Ltd I.c. engine cylinder block with optimizes stiffness
US6079375A (en) * 1999-08-02 2000-06-27 General Motors Corporation Coolant jacketed cylinder liner with stiffening ribs
DE19937793A1 (de) 1999-08-10 2001-02-22 Koegel Fahrzeugwerke Ag Ladeboden für Fahrzeuge
EP1298295B1 (fr) 2001-09-28 2007-05-09 Kubota Corporation Machine à combustion interne à plusieurs cylindres
DE102004024516A1 (de) * 2004-05-18 2005-12-15 Adam Opel Ag Optimierte Ölkühlung für eine Brennkraftmaschine
FR2873749B1 (fr) * 2004-07-28 2008-12-05 Renault Sas Procede et dispositif de refroidissement du lubrifiant dans un moteur
KR100862441B1 (ko) * 2006-11-13 2008-10-08 현대자동차주식회사 자동차용 오일쿨러의 냉각회로
JP4187045B2 (ja) * 2007-03-16 2008-11-26 トヨタ自動車株式会社 シリンダブロック
DE102009050016A1 (de) * 2009-05-27 2011-05-05 Modine Manufacturing Co., Racine Wärmeübertragereinheit
EP2525068A1 (fr) * 2011-05-17 2012-11-21 Fiat Powertrain Technologies S.p.A. Bloc de cylindre pour moteur à combustion interne à refroidissement liquide
RU2507404C1 (ru) * 2012-06-26 2014-02-20 Открытое акционерное общество "Автодизель" (Ярославский моторный завод) Модуль двигателя внутреннего сгорания, корпус модуля и двигатель внутреннего сгорания
DE102012021065A1 (de) * 2012-10-20 2013-08-22 Daimler Ag Verfahren zum Herstellen eines Zylinderkurbelgehäuses sowie Zylinderkurbelgehäuse
WO2014085285A2 (fr) * 2012-11-27 2014-06-05 Quinton Aaron S Bloc-cylindres ayant une enveloppe à huile intégrée
DE102013020838B4 (de) 2013-08-16 2022-05-25 Mercedes-Benz Group AG Zylinderkurbelgehäuse für eine Hubkolben-Verbrennungskraftmaschine
DE102014004232A1 (de) 2014-03-25 2015-10-01 Daimler Ag Zylinderkurbelgehäuse für eine Verbrennungskraftmaschine und Verfahren zur Herstellung eines Zylinderkurbelgehäuses für eine Verbrennungskraftmaschine
CN113118384B (zh) * 2015-08-31 2023-01-31 康明斯公司 由单件式芯体铸造的发动机
CN105201616A (zh) * 2015-10-15 2015-12-30 广西玉柴机器股份有限公司 机体横流冷却循环系统
CN116412036A (zh) * 2023-06-12 2023-07-11 中国第一汽车股份有限公司 缸体缸盖的合铸件及其铸造方法、内燃机和车辆

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DE1193310B (de) * 1959-06-20 1965-05-20 Daimler Benz Ag Schmieroel-Kuehlwasser-Waermetauscher fuer Brennkraftmaschinen
FR1488629A (fr) * 1966-08-03 1967-07-13 Liberecke Automobilove Zd Y Na Perfectionnements au montage de l'échangeur de chaleur de l'huile de lubrification dans le circuit de refroidissement d'un moteur à combustion interne
DE4029408C2 (de) * 1990-09-17 2003-01-02 Deutz Ag Schmierölwärmetauscher einer Brennkraftmaschine
JP2748772B2 (ja) * 1992-05-15 1998-05-13 株式会社豊田自動織機製作所 エンジンのオイルクーラ装置
JP3077452B2 (ja) * 1993-06-07 2000-08-14 トヨタ自動車株式会社 内燃機関のシリンダブロック
DE4400952C1 (de) * 1994-01-14 1995-05-24 Daimler Benz Ag Gehäusedeckel für eine Brennkraftmaschine
JPH07259555A (ja) * 1994-03-18 1995-10-09 Toyota Motor Corp 内燃機関の冷却装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6827049B2 (en) 2002-05-28 2004-12-07 Hyundai Motor Company Water jacket for cylinder head
DE102009041708A1 (de) 2009-09-16 2011-03-24 GM Global Technology Operations, Inc., Detroit Schraubenpfeife für einen Zylinderkopf einer Brennkraftmaschine, Zylinderkopf, Brennkraftmaschine und Fahrzeug sowie Verfahren zur Herstellung einer Schraubenpfeife

Also Published As

Publication number Publication date
US5758608A (en) 1998-06-02
EP0784150A1 (fr) 1997-07-16
BR9700019A (pt) 1998-11-10
MX9700265A (es) 1998-04-30
DE19600566C1 (de) 1997-04-10
DE59605396D1 (de) 2000-07-13

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