EP1135587B1 - Zylinderkopf für eine flüssigkeitsgekühlte brennkraftmaschine - Google Patents

Zylinderkopf für eine flüssigkeitsgekühlte brennkraftmaschine Download PDF

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Publication number
EP1135587B1
EP1135587B1 EP99956155A EP99956155A EP1135587B1 EP 1135587 B1 EP1135587 B1 EP 1135587B1 EP 99956155 A EP99956155 A EP 99956155A EP 99956155 A EP99956155 A EP 99956155A EP 1135587 B1 EP1135587 B1 EP 1135587B1
Authority
EP
European Patent Office
Prior art keywords
cylinder head
water
liquid
internal combustion
combustion engine
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
EP99956155A
Other languages
English (en)
French (fr)
Other versions
EP1135587A1 (de
Inventor
Philippe Brunet
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.)
Renault Sport
Original Assignee
Renault Sport
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 Renault Sport filed Critical Renault Sport
Publication of EP1135587A1 publication Critical patent/EP1135587A1/de
Application granted granted Critical
Publication of EP1135587B1 publication Critical patent/EP1135587B1/de
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
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
    • F02B61/02—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving cycles
    • 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
    • F01P3/00—Liquid cooling
    • F01P3/02—Arrangements for cooling cylinders or cylinder heads
    • 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
    • F02B75/22—Multi-cylinder engines with cylinders in V, fan, or star arrangement
    • 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
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into 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
    • 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
    • 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
    • F02B75/20—Multi-cylinder engines with cylinders all in one line
    • 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 present invention relates to a cylinder head for internal combustion engine intended in particular to equip a vehicle such as an automobile or a motorcycle.
  • the invention relates more particularly a cooling circuit extending through an engine cylinder head.
  • Circulation cooling of a liquid such as water is the mode of most commonly used cooling for cool internal combustion engines by particular by what it allows to evacuate a flow important calories even in very areas confined like cylinder heads and also because the liquid allows by its mass to ensure a some acoustic insulation of the motor.
  • a liquid cooling circuit engine therefore has the main functions of cool the hot parts of the engine with a forced traffic through the latter and give in the calories thus taken from the ambient air at through a liquid / air heat exchanger again called radiator.
  • the circulation of the liquid inside the engine operates from the bottom up, first at through a cavity called a water chamber which is formed in the cylinder block around the cylindrical bores then through the cylinder head in an appropriate circuit extending around combustion chambers.
  • the object of the present invention is to offer a cylinder head for a combustion engine internal with a cooling circuit both efficient and simple to make.
  • the cylinder head for internal combustion engine liquid-cooled comprises intake and exhaust ducts opening out through the walls of the combustion provided on its underside by ports cooperating with stem valves and a circuit for the coolant intended in particular to cool said walls of the chambers combustion.
  • the cylinder head for a liquid-cooled internal combustion is characterized in that, the circuit of cooling has climb passages running parallel to the accommodation provided for the stems of the exhaust valves.
  • the circuit of coolant includes ports water inlet on the underside of the cylinder head, a water chamber extending to the periphery of the walls of the combustion chamber, rising water passages substantially parallel and close to exhaust valve stem housings and a collecting gallery extending transversely in the upper part of the cylinder head to lead to the lateral face admission of the cylinder head by a water outlet port.
  • the water chamber arranged on the periphery of the walls of a chamber corresponding combustion extends substantially parallel to the underside of the cylinder head.
  • the water chamber arranged on the periphery of the walls of a chamber corresponding combustion is shaped substantially toric.
  • the passages of rising water leave the water chamber by surrounding partially the exhaust ports provided at through the walls of the combustion chamber corresponding.
  • each combustion cooperating with a spark plug coming to lodge in a through well vertically the cylinder head all or part of the corresponding water rise passages extend to proximity of said candle well, particularly in the lower part of it so that cool the vicinity of the spark plug electrodes.
  • each combustion cooperating with two valves exhaust, rising water passages are then three in number, know a central passage extending between the two housing provided for the passage of rods exhaust and two side passages extending substantially curved on both sides said accommodation.
  • the passages of rising water associated with two combustion chambers adjacent to one gallery collector extending transversely between the two combustion chambers.
  • each chamber of water cooperates with a degassing passage extending opposite the rising water passages, said degassing passage opening onto the face lateral adjacent intake of the cylinder head.
  • the two chambers of water extending around two chambers of adjacent combustion are connected together by at least one degassing passage leading into lower part of the inlet side face of the cylinder head through a specific outlet.
  • orifices of suitable section water inlet lead into each water chamber substantially vertically rising water passages.
  • the cylinder head referenced 1 in FIG. 3, which was chosen to illustrate the water circuit according to the invention relates more particularly to a internal combustion engine, four-stroke and controlled ignition.
  • the operating mode of the engine four or two stroke, spark ignition or compression ignition, absolutely not limiting of the invention.
  • the engine can be of the single cylinder type as well as the multi-cylinder in line, in V, or even flat.
  • the engine more particularly designed to equip a motorcycle is a four cylinder in V comprising two substantially identical cylinder heads. Only one of the two cylinder heads was represented.
  • the illustrated cylinder head 1 is of the liquid and cross-flow cooling (or "cross-flow") that is to say that the conduits intake and exhaust extend respectively on either side of the median plane longitudinal of the cylinder head.
  • This cylinder head 1 made of aluminum alloy is obtained conventionally by molding.
  • the foundry process used in the example illustrated is gravity casting or low pressure combining sand cores and metallic exterior imprints.
  • the kernels sands define the different passages crossing the cylinder head 1 such as the conduits intake and exhaust or the circuit cooling.
  • the cylinder head 1 comprises, on its face lower 2 intended to come into abutment with interposition of a seal against the cylinder block not shown, walls 3 of suitable shapes delimiting two combustion chambers. These two combustion chambers opening opposite the corresponding cylindrical bores of the cylinder block, are identical and extend substantially along the longitudinal axis of the cylinder head 1.
  • the walls 3 delimiting the chambers of combustion are pierced by two orifices intake 4 and two exhaust ports 5 fitted with attached seats.
  • Ports 4 and 5 which extend on either side of the median plane longitudinal of the cylinder head, are extended by conduits 6 and 7 (shown in dotted lines on figure 2) respectively of admission of fuel and exhaust mixture of burnt gases.
  • These intake and exhaust ducts 6 and 7 extend through cylinder head 1 to open respectively on the upper face of the cylinder head and on a side face of the latter again called the "exhaust" face.
  • the orifices 4 and 5 cooperate with stem valves slidably mounted in reported guides inserted in accommodation corresponding to the breech. These valves are operated by control mechanisms appropriate not shown. Only housing 8 and 9 valve guides, respectively intake and exhaust, have been shown in lines dotted in Figure 2.
  • the cylinder head 1 also has passages or wells 13 extending substantially in the axis of the cylinders and opening substantially at center of each of the walls 3 delimiting the combustion chambers to allow passage spark plugs not shown.
  • the cylinder head includes from the foundry a circuit suitable for coolant circulation in from the cylinder block.
  • the cooling circuit is described in the case of a two-chamber cylinder head combustion but obviously it can be extended or reduced to be used on any which cylinder head whatever the number of chambers combustion.
  • the cooling circuit presents itself in the form of two elementary circuits 10 substantially identical and each adapted to cooling of a given combustion chamber.
  • Each elementary circuit 10 is composed an annular cavity 11 also called a chamber of water extending around the periphery of the walls 3 of the corresponding combustion chamber, passages so-called rising water passages 14, 15 and 16 extending substantially parallel to and proximity to valve stem housings exhaust and manifold 19 extending transversely at the top of the cylinder head to lead to the so-called lateral face "Admission" of the cylinder head through an orifice water outlet 20.
  • Each water chamber 11 is supplied with coolant through holes 12-gauge opening onto the underside of the cylinder head 1, as shown in Figure 3.
  • These orifices arranged opposite orifices correspondents from the upper tab of the cylinder blockers, are adapted to supply the water chamber 11 according to a suitable flow of liquid from cooling.
  • Each water chamber 11 of more or less toroidal is arranged on the periphery of walls 3 of the corresponding combustion chamber so as to extend substantially parallel to the underside of the cylinder head.
  • the lateral water rise passages 14 and 16 also extend near the well 13 candle especially in the lower part of this last so as to cool the neighborhood of spark plug electrodes.
  • the two elementary circuits 10 associated with two adjacent combustion chambers open out jointly in the same collecting gallery 19 extending transversely between the two chambers combustion.
  • the two circuits 10 put in communication the water chambers 11 by two passages a passage 18 extending substantially in the longitudinal axis of the cylinder head 1 and a passage 17 used more specifically for degassing circuits which extend opposite the passages 14, 15, 16 of rising water to lead to the face lateral adjacent admission of the cylinder head by a orifice 21 separate from orifice 20.
  • a water inlet port 12 of adapted section is arranged substantially at the vertical of each of the rising water passages.

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)

Claims (11)

  1. Zylinderkopf (1) für einen flüssigkeitsgekühlten Verbrennungsmotor, mit zwei Einlassleitungen (6) und zwei Auslassleitungen (7), die die Wände (3) von Verbrennungskammern durchsetzen und auf der Unterseite in Öffnungen (4, 5) münden, die mit mit Schäften versehenen Ventilen zusammenwirken, mit einem Kreis (10) für die Kühlflüssigkeit, der insbesondere zur Kühlung der Wände (3) der Verbrennungskammern dient, wobei der Kühlkreis (10) aufsteigende Wasserkanäle (14, 15, 16) aufweist, die im wesentlichen parallel zu und in der Nähe von Aussparungen (9) für die Schäfte der Auslassventile angeordnet sind und mit einem Sammelraum (19), der sich quer im oberen Abschnitt des Zylinderkopfes erstreckt, dadurch gekennzeichnet, dass der Sammelraum in der Seitenwand des Zylinderkopfes in einer Wasserauslassöffnung (20) mündet.
  2. Zylinderkopf (1) für einen flüssigkeitsgekühlten Verbrennungsmotor nach Anspruch 1, dadurch gekennzeichnet, dass für jede Verbrennungskammer der Kreis (10) für die Kühlflüssigkeit Wassereinlassöffnungen (12) aufweist, die in der Unterseite (2) des Zylinderkopfes münden, wobei sich eine Wasserkammer (11) entlang des Umfangs der Wände (3) der Verbrennungskammer erstreckt und aufsteigende Wasserkanäle (14, 15, 16) im wesentlichen parallel zu und in der Nähe von Aussparungen (9) für die Schäfte der Auslassventile angeordnet sind.
  3. Zylinderkopf (1) für einen flüssigkeitsgekühlten Verbrennungsmotor nach Anspruch 2, dadurch gekennzeichnet, dass die entlang des Umfangs der Wände (3) einer entsprechenden Verbrennungskammer angeordnete Wasserkammer sich im wesentlichen parallel zur Unterseite (2) des Zylinderkopfes (1) erstreckt.
  4. Zylinderkopf (1) für einen flüssigkeitsgekühlten Verbrennungsmotor nach Anspruch 3, dadurch gekennzeichnet, dass die entlang des Umfangs der Wände (3) einer entsprechenden Verbrennungskammer angeordnete Wasserkammer im wesentlichen kreisringförmig ausgestaltet ist.
  5. Zylinderkopf (1) für einen flüssigkeitsgekühlten Verbrennungsmotor nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass die aufsteigenden Wasserkanäle (14, 15, 16) die Wasserkammer (11) verlassen und dabei die in die Wände (3) der entsprechenden Verbrennungskammer vorgesehenen Auslassöffnungen (5) teilweise umgeben.
  6. Zylinderkopf (1) für einen flüssigkeitsgekühlten Verbrennungsmotor nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, dass für jede Verbrennungskammer eine Zündkerze vorgesehen ist, die in einem Durchlass (13) eingesetzt ist, der den Zylinderkopf (1) senkrecht durchsetzt, wobei ein Teil oder alle der aufsteigenden Wasserkanäle (14, 16) in der Nähe dieses Durchlasses (13) für die Kerze verlaufen und insbesondere im unteren Abschnitt des letzteren um die Umgebung der Elektroden der Kerze zu kühlen.
  7. Zylinderkopf (1) für einen flüssigkeitsgekühlten Verbrennungsmotor nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, dass jede Verbrennungskammer mit zwei Auslassventilen versehen ist, sodass drei aufsteigende Wasserkanäle vorgesehen sind und zwar ein Mittenkanal (15), der zwischen den beiden Aussparungen (9) verläuft, die zur Aufnahme der Schäfte der Auslassventile vorgesehen sind und zwei seitliche Kanäle (14, 16), die in im wesentlichen gekrümmter Weise beidseits der Aussparungen (9) vorgesehen sind.
  8. Zylinderkopf (1) für einen flüssigkeitsgekühlten Verbrennungsmotor nach einem der Ansprüche 2 bis 7, dadurch gekennzeichnet, dass die aufsteigenden Wasserkanäle (14, 15, 16), die zwei benachbarten Verbrennungskammern zugeordnet sind, in ein und demselben Sammelraum (19) münden, der quer zwischen den beiden Verbrennungskammern angeordnet ist.
  9. Zylinderkopf (1) für einen flüssigkeitsgekühlten Verbrennungsmotor nach einem der Ansprüche 2 bis 8, dadurch gekennzeichnet, dass jeder Wasserkammer (11) eine Entgasungsleitung (17) zugeordnet ist, die gegenüber den aufsteigenden Wasserkanälen (14, 15, 16) verläuft, wobei die Entgasungsleitung (17) in der benachbarten Einlassseitenwand des Zylinderkopfes (1) mündet.
  10. Zylinderkopf (1) für einen flüssigkeitsgekühlten Verbrennungsmotor nach Ansprüchen 8 und 9, dadurch gekennzeichnet, dass die beiden entlang des Umfangs zweier benachbarter Verbrennungskammern verlaufenden Wasserkammern (11) miteinander über mindestens eine Entgasungsleitung (17) verbunden sind, die im unteren Abschnitt der Einlassseitenwand des Zylinderkopfes (1) in einer besonderen Auslassöffnung (21) mündet.
  11. Zylinderkopf (1) für einen flüssigkeitsgekühlten Verbrennungsmotor nach einem der Ansprüche 2 bis 10, dadurch gekennzeichnet, dass die mit einem angepassten Querschnitt versehenen Einlassöffnungen (12) für das Wasser in jeder Wasserkammer (11) im wesentlichen in der Senkrechten der aufsteigenden Wasserkanäle (14, 15, 16) münden.
EP99956155A 1998-12-04 1999-11-26 Zylinderkopf für eine flüssigkeitsgekühlte brennkraftmaschine Expired - Lifetime EP1135587B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9815331A FR2786815B1 (fr) 1998-12-04 1998-12-04 Culasses de moteur a combustion interne refroidie par liquide
FR9815331 1998-12-04
PCT/FR1999/002928 WO2000034640A1 (fr) 1998-12-04 1999-11-26 Culasse de moteur a combustion interne refroidie par liquide

Publications (2)

Publication Number Publication Date
EP1135587A1 EP1135587A1 (de) 2001-09-26
EP1135587B1 true EP1135587B1 (de) 2003-08-06

Family

ID=9533587

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99956155A Expired - Lifetime EP1135587B1 (de) 1998-12-04 1999-11-26 Zylinderkopf für eine flüssigkeitsgekühlte brennkraftmaschine

Country Status (5)

Country Link
EP (1) EP1135587B1 (de)
DE (1) DE69910249T2 (de)
ES (1) ES2200570T3 (de)
FR (1) FR2786815B1 (de)
WO (1) WO2000034640A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006036422A1 (de) * 2006-08-04 2008-02-21 Bayerische Motoren Werke Ag Flüssigkeitsgekühlter Zylinderkopf für eine Brennkraftmaschine

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010036392B4 (de) * 2010-07-14 2021-10-07 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Flüssigkeitsgekühlter Zylinderkopf für eine Brennkraftmaschine
AT517127B1 (de) 2015-05-07 2019-12-15 Avl List Gmbh Zylinderkopf für eine brennkraftmaschine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2452999C2 (de) * 1974-11-08 1982-09-16 Motoren-Werke Mannheim AG vorm. Benz Abt. stationärer Motorenbau, 6800 Mannheim Zylinderkopf für eine wassergekühlte Dieselmaschine
DE3819655C1 (de) * 1988-06-09 1989-01-26 Daimler-Benz Ag, 7000 Stuttgart, De
IT1240140B (it) * 1990-03-20 1993-11-27 Fiat Auto Spa Testa per motori a combustione interna per autoveicoli
FR2682994B1 (fr) * 1991-10-25 1993-12-10 Renault Regie Nale Usines Circuit de refroidissement par liquide pour moteur a combustion interne.
DE19640122C1 (de) * 1996-09-28 1998-01-29 Audi Ag Zylinderkopf-Kühlungsvorrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006036422A1 (de) * 2006-08-04 2008-02-21 Bayerische Motoren Werke Ag Flüssigkeitsgekühlter Zylinderkopf für eine Brennkraftmaschine

Also Published As

Publication number Publication date
DE69910249T2 (de) 2004-04-15
ES2200570T3 (es) 2004-03-01
FR2786815B1 (fr) 2001-01-05
DE69910249D1 (de) 2003-09-11
EP1135587A1 (de) 2001-09-26
WO2000034640A1 (fr) 2000-06-15
FR2786815A1 (fr) 2000-06-09

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