WO2013117612A1 - Liquid-cooled internal combustion engine - Google Patents

Liquid-cooled internal combustion engine Download PDF

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Publication number
WO2013117612A1
WO2013117612A1 PCT/EP2013/052365 EP2013052365W WO2013117612A1 WO 2013117612 A1 WO2013117612 A1 WO 2013117612A1 EP 2013052365 W EP2013052365 W EP 2013052365W WO 2013117612 A1 WO2013117612 A1 WO 2013117612A1
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WO
WIPO (PCT)
Prior art keywords
cooling jacket
region
distance
cylinder
internal combustion
Prior art date
Application number
PCT/EP2013/052365
Other languages
German (de)
French (fr)
Inventor
Robert Berger
Original Assignee
Avl List Gmbh
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 Avl List Gmbh filed Critical Avl List Gmbh
Priority to CN201380007956.8A priority Critical patent/CN104105865A/en
Priority to US14/377,538 priority patent/US20150000619A1/en
Priority to DE112013000888.2T priority patent/DE112013000888A5/en
Publication of WO2013117612A1 publication Critical patent/WO2013117612A1/en

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Classifications

    • 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
    • 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
    • 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
    • F02F1/14—Cylinders with means for directing, guiding or distributing liquid stream
    • 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
    • F01P2003/021—Cooling cylinders

Definitions

  • the invention relates to a liquid-cooled internal combustion engine with at least one cylinder block having a plurality of cylinders, wherein the cooling jacket has a crank chamber facing bottom and a cylinder head sealing plane facing ceiling and the bottom - viewed in a side view of the cylinder block - has a wave-like course, said a measured in the direction of the cylinder axis first distance of the bottom of the cooling jacket from the ceiling in the region of at least one cylinder axis containing the first engine transverse plane is greater than a second distance in the region of at least a second engine transverse plane between two adjacent cylinders.
  • US 5,080,049 A describes a cylinder block for an internal combustion engine having a plurality of cylinders, wherein the cylinders are surrounded by a cooling jacket.
  • the cooling jacket has a wave-like course on a longitudinal side of the cylinder block, the distance between the bottom of the cooling jacket and the cylinder head sealing plane being lower in the region of a transverse engine transverse plane containing the cylinder head screw axes than in the region of a first engine transverse plane containing the cylinder axis.
  • a liquid-cooled internal combustion engine with a similarly shaped cooling jacket is also known from AT 504 983 Bl.
  • JP 2011-106 398 A1 discloses a cooling structure for an internal combustion engine, wherein the cooling jacket in the first and second engine transverse planes has a uniform height. Only in the region of one end face is the distance between the floor and the ceiling of the cooling jacket lower than in the remaining area.
  • WO 95/21323 AI discloses a cooling system of a two-stroke internal combustion engine with a plurality of cylinders, which are surrounded by a cooling jacket.
  • the bottom of the cooling jacket is wave-shaped and communicates with a lower coolant collector in the region of the engine transverse plane between two cylinders via U-shaped branch passages and vertical channel sections.
  • a cooling jacket for a crankcase is known, the cooling jacket bottom - as viewed in a side view - is wave-shaped.
  • the cooling jacket has a smaller distance from the cylinder axis in the region of a first engine transverse plane containing the cylinder axis. head density level, as in the region of a second engine transverse plane between two cylinders. This is to improve the cooling of thermally highly stressed areas.
  • the object of the invention is to avoid this disadvantage and to reduce the deformation of the edge cylinder.
  • the cooling jacket has three different heights, wherein a third distance of the bottom of the cooling jacket from the ceiling in at least one end region of the cooling jacket - preferably in the region of an engine longitudinal plane spanned by cylinder axes - is less than in the region of the second Engine transverse plane between two adjacent cylinders.
  • the distance between the floor and the ceiling in at least one frontal area to about 90%, preferably between about 50% and 70% of the distance between the floor and the ceiling.
  • the cooling in this area can be reduced and thus achieves a uniform temperature profile of the cylinder block, and on the other hand, the structure of the cylinder block significantly stiffened and thus deformations are significantly reduced.
  • FIG. 3 shows the cooling jacket in a front view.
  • FIG. 4 shows a cooling jacket of a cylinder block according to the invention in a
  • Fig. 5 shows the deformations of the fourth order for an edge cylinder in known cylinder block and cylinder block according to the invention.
  • FIGS. 1 to FIG. 3 show a cylinder jacket surrounding cooling jacket 1 of a cylinder block not shown in an internal combustion engine with four cylinders 9.
  • the bottom 2 of the cooling jacket 1 is - seen in the illustrated in Fig. 1 side view - wave-shaped, so that the distance H of the bottom 2 of the cylinder head plane 3, viewed in the longitudinal direction of the cylinder block, increases and decreases.
  • the distance H in the region of a cylinder axis 4 containing the first engine transverse plane 5 is greater than in the range of between two cylinders - for example, through the axes 6 of Zylinderkopfschrauben- bores for the cylinder head screws - extending second engine transverse plane.
  • the distance H 2 between the bottom 2 and the top 3 of the cooling jacket 1 is less than in the region of second engine transverse planes 7 between two cylinders 9.
  • the distance H 2 between the ceiling 3 and the bottom 2 is in the frontal region 8 of the end face la, lb about 50% to 80% of the maximum distance H between the ceiling 3 and the bottom 2 in the region of the first motor transverse plane. 5
  • FIGS. 4 and 6 show a cooling jacket 1 for a three-cylinder internal combustion engine, wherein in FIG. 4 is shown for comparison with the proposal according to the invention with dashed lines 10 the course of a known cooling jacket.
  • dashed lines 10 the course of a known cooling jacket.

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)

Abstract

The invention relates to a liquid-cooled internal combustion engine, having at least one cylinder block which has a cooling jacket (1) and multiple cylinders (9), wherein the cooling jacket (1) has a base (2), which faces toward a crank chamber, and a top (3), which faces toward a cylinder head sealing plane, and the base (2) has an undulating profile as seen in a side view of the cylinder block, wherein a first distance (H), measured in the direction of the cylinder axis (4), between the base (2) of the cooling jacket (1) and the top (3) in the region of at least one first engine transverse plane (5) which encompasses the cylinder axis (4) is greater than a second distance (H1) in the region of at least one second engine transverse plane (7) between two adjacent cylinders (9). To reduce cylinder deformation, it is provided that the cooling jacket (1) has three different heights, wherein a third distance (H2) between the base (2) of the cooling jacket (1) and the top (3) is smaller in at least one end-side region (8) of the cooling jacket (1) - preferably in the region of an engine longitudinal plane (13) spanned by cylinder axes (4) - than in the region of the second engine transverse plane (7) between two adjacent cylinders (9).

Description

Flüssigkeitsgekühlte Brennkraftmaschine  Liquid-cooled internal combustion engine
Die Erfindung betrifft eine flüssigkeitsgekühlte Brennkraftmaschine mit zumindest einem einen Kühlmantel aufweisenden Zylinderblock mit mehreren Zylindern, wobei der Kühlmantel einen einem Kurbelraum zugewandten Boden und eine einer Zylinderkopfdichtebene zugewandten Decke aufweist und der Boden - in einer Seitenansicht auf den Zylinderblock betrachtet - einen wellenartigen Verlauf aufweist, wobei ein in Richtung der Zylinderachse gemessener erster Abstand des Bodens des Kühlmantels von der Decke im Bereich zumindest einer die Zylinderachse beinhaltenden ersten Motorquerebene größer ist als ein zweiter Abstand im Bereich zumindest einer zweiten Motorquerebene zwischen zwei benachbarten Zylindern. The invention relates to a liquid-cooled internal combustion engine with at least one cylinder block having a plurality of cylinders, wherein the cooling jacket has a crank chamber facing bottom and a cylinder head sealing plane facing ceiling and the bottom - viewed in a side view of the cylinder block - has a wave-like course, said a measured in the direction of the cylinder axis first distance of the bottom of the cooling jacket from the ceiling in the region of at least one cylinder axis containing the first engine transverse plane is greater than a second distance in the region of at least a second engine transverse plane between two adjacent cylinders.
Die US 5,080,049 A beschreibt eine Zylinderblock für eine Brennkraftmaschine mit mehreren Zylindern, wobei die Zylinder von einem Kühlmantel umgeben sind. Der Kühlmantel weist auf einer Längsseite des Zylinderblockes einen wellenartigen Verlauf auf, wobei der Abstand des Bodens des Kühlmantels von der Zylinderkopfdichtebene im Bereich einer die Zylinderkopfschraubenachsen beinhaltenden Motorquerebene geringer ist, als im Bereich einer die Zylinderachse beinhaltenden ersten Motorquerebene. US 5,080,049 A describes a cylinder block for an internal combustion engine having a plurality of cylinders, wherein the cylinders are surrounded by a cooling jacket. The cooling jacket has a wave-like course on a longitudinal side of the cylinder block, the distance between the bottom of the cooling jacket and the cylinder head sealing plane being lower in the region of a transverse engine transverse plane containing the cylinder head screw axes than in the region of a first engine transverse plane containing the cylinder axis.
Eine flüssigkeitsgekühlte Brennkraftmaschine mit einem ähnlich geformten Kühlmantel ist auch aus der AT 504 983 Bl bekannt. A liquid-cooled internal combustion engine with a similarly shaped cooling jacket is also known from AT 504 983 Bl.
Die JP 2011-106 398 AI offenbart eine Kühlstruktur für eine Brennkraftmaschine, wobei der Kühlmantel in den ersten und zweiten Motorquerebenen eine einheitliche Höhe aufweist. Lediglich im Bereich einer Stirnseite ist der Abstand zwischen dem Boden und der Decke des Kühlmantels geringer als im übrigen Bereich. JP 2011-106 398 A1 discloses a cooling structure for an internal combustion engine, wherein the cooling jacket in the first and second engine transverse planes has a uniform height. Only in the region of one end face is the distance between the floor and the ceiling of the cooling jacket lower than in the remaining area.
Die WO 95/21323 AI offenbart ein Kühlsystem einer Zweitakt- Brennkraftmaschine mit mehreren Zylindern, die von einem Kühlmantel umgeben sind. Der Boden des Kühlmantels ist wellenartig gestaltet und steht im Bereich der Motorquerebene zwischen zwei Zylindern über U-förmige Zweigpassagen und vertikale Kanalabschnitte mit einem unteren Kühlmittelsammler in Strömungsverbindung . WO 95/21323 AI discloses a cooling system of a two-stroke internal combustion engine with a plurality of cylinders, which are surrounded by a cooling jacket. The bottom of the cooling jacket is wave-shaped and communicates with a lower coolant collector in the region of the engine transverse plane between two cylinders via U-shaped branch passages and vertical channel sections.
Weiters ist aus der CN 2 751 151 Y ein Kühlmantel für ein Kurbelgehäuse bekannt, dessen Kühlmantelboden - in einer Seitenansicht betrachtet - wellenartig geformt ist. Der Kühlmantel weist dabei im Bereich einer die Zylinderachse beinhaltenden ersten Motorquerebene einen geringeren Abstand von der Zylinder- kopfdichtebene auf, als im Bereich einer zweiten Motorquerebene zwischen zwei Zylindern. Dadurch soll die Kühlung von thermisch hochbelasteten Bereichen verbessert werden. Furthermore, from CN 2 751 151 Y a cooling jacket for a crankcase is known, the cooling jacket bottom - as viewed in a side view - is wave-shaped. The cooling jacket has a smaller distance from the cylinder axis in the region of a first engine transverse plane containing the cylinder axis. head density level, as in the region of a second engine transverse plane between two cylinders. This is to improve the cooling of thermally highly stressed areas.
Insbesondere im Bereich der Randzylinder kann es zu relativ großen Zylinderverformungen kommen. In particular in the area of the edge cylinders, relatively large cylinder deformations can occur.
Aufgabe der Erfindung ist es, diesen Nachteil zu vermeiden und die Verformungen der Randzylinder zu vermindern. The object of the invention is to avoid this disadvantage and to reduce the deformation of the edge cylinder.
Erfindungsgemäß wird dies dadurch erreicht, dass der Kühlmantel drei verschiedene Höhen aufweist, wobei ein dritter Abstand des Bodens des Kühlmantels von der Decke in zumindest einem stirnseitigen Bereich des Kühlmantels - vorzugsweise im Bereich einer durch Zylinderachsen aufgespannten Motorlängsebene - geringer ist, als im Bereich der zweiten Motorquerebene zwischen zwei benachbarten Zylindern. According to the invention this is achieved in that the cooling jacket has three different heights, wherein a third distance of the bottom of the cooling jacket from the ceiling in at least one end region of the cooling jacket - preferably in the region of an engine longitudinal plane spanned by cylinder axes - is less than in the region of the second Engine transverse plane between two adjacent cylinders.
Besonders gute Ergebnisse lassen sich erzielen, wenn der Abstand zwischen dem Boden und der Decke in zumindest einem stirnseitigen Bereich bis etwa 90%, vorzugsweise zwischen etwa 50% und 70% des Abstandes zwischen dem Boden und der Decke beträgt. Particularly good results can be achieved if the distance between the floor and the ceiling in at least one frontal area to about 90%, preferably between about 50% and 70% of the distance between the floor and the ceiling.
Durch die in Einschnürung in Richtung der Zylinderachse im stirnseitigen Bereich des Kühlmantels kann einerseits die Kühlung in diesem Bereich vermindert und somit ein gleichmäßiger Temperaturverlauf des Zylinderblockes erreicht, und andererseits die Struktur des Zylinderblockes entscheidend versteift und somit Verformungen wesentlich reduziert werden. Due to the constriction in the direction of the cylinder axis in the frontal region of the cooling jacket on the one hand, the cooling in this area can be reduced and thus achieves a uniform temperature profile of the cylinder block, and on the other hand, the structure of the cylinder block significantly stiffened and thus deformations are significantly reduced.
Die Erfindung wird im Folgenden anhand der Figuren näher erläutert. Es zeigen : The invention will be explained in more detail below with reference to FIGS. Show it :
Fig. 1 einen Kühlmantel eines erfindungsgemäßen Zylinderblocks in einer 1 a cooling jacket of a cylinder block according to the invention in a
Seitenansicht in einer ersten Ausführungsvariante;  Side view in a first embodiment;
Fig. 2 den Kühlmantel in einer Draufsicht; 2 shows the cooling jacket in a plan view;
Fig. 3 den Kühlmantel in einer stirnseitigen Ansicht; 3 shows the cooling jacket in a front view.
Fig. 4 einen Kühlmantel eines erfindungsgemäßen Zylinderblocks in einer 4 shows a cooling jacket of a cylinder block according to the invention in a
Seitenansicht in einer zweiten Ausführungsvariante;  Side view in a second embodiment variant;
Fig. 5 die Verformungen vierter Ordnung für einen Randzylinder bei bekanntem Zylinderblock und erfindungsgemäßen Zylinderblock. Fig. 5 shows the deformations of the fourth order for an edge cylinder in known cylinder block and cylinder block according to the invention.
Die Fig. 1 bis Fig . 3 zeigen einen Zylinderlaufbuchsen umgebenden Kühlmantel 1 eines nicht weiter dargestellten Zylinderblockes einer Brennkraftmaschine mit vier Zylinder 9. Der Boden 2 des Kühlmantels 1 ist - in der in Fig. 1 dargestellten Seitenansicht gesehen - wellenartig geformt, sodass der Abstand H des Bodens 2 von der Zylinderkopfebene 3, in Längsrichtung des Zylinderblockes betrachtet, zu- und abnimmt. Im Detail ist der Abstand H im Bereich einer die Zylinderachse 4 beinhaltenden ersten Motorquerebene 5 größer, als im Bereich einer zwischen zwei Zylindern - beispielsweise durch die Achsen 6 der Zylinderkopfschrauben- bohrungen für die Zylinderkopfschrauben - verlaufenden zweiten Motorquerebene 7. FIGS. 1 to FIG. 3 show a cylinder jacket surrounding cooling jacket 1 of a cylinder block not shown in an internal combustion engine with four cylinders 9. The bottom 2 of the cooling jacket 1 is - seen in the illustrated in Fig. 1 side view - wave-shaped, so that the distance H of the bottom 2 of the cylinder head plane 3, viewed in the longitudinal direction of the cylinder block, increases and decreases. In detail, the distance H in the region of a cylinder axis 4 containing the first engine transverse plane 5 is greater than in the range of between two cylinders - for example, through the axes 6 of Zylinderkopfschrauben- bores for the cylinder head screws - extending second engine transverse plane.
Weiters ist im stirnseitigen Bereich 8 der Randzylinder 9 - insbesondere im Bereich der durch die Zylinderachsen 4 aufgespannten Motorlängsebene 13 - der Abstand H2 zwischen dem Boden 2 und der Decke 3 des Kühlmantels 1 geringer als im Bereich von zweiten Motorquerebenen 7 zwischen zwei Zylindern 9. Der Abstand H2 zwischen der Decke 3 und dem Boden 2 beträgt im stirnseitigen Bereich 8 der Stirnseite la, lb etwa 50% bis 80% des maximalen Abstandes H zwischen der Decke 3 und dem Boden 2 im Bereich der ersten Motorquerebene 5. Furthermore, in the frontal region 8 of the edge cylinder 9 - in particular in the region of the motor longitudinal plane 13 spanned by the cylinder axes 4 - the distance H 2 between the bottom 2 and the top 3 of the cooling jacket 1 is less than in the region of second engine transverse planes 7 between two cylinders 9. The distance H 2 between the ceiling 3 and the bottom 2 is in the frontal region 8 of the end face la, lb about 50% to 80% of the maximum distance H between the ceiling 3 and the bottom 2 in the region of the first motor transverse plane. 5
In Fig. 4 und Fig. 6 ist ein Kühlmantel 1 für eine Dreizylinder - Brennkraftmaschine dargestellt, wobei in Fig . 4 zum Vergleich mit dem erfindungsgemäßen Vorschlag mit strichlierten Linien 10 der Verlauf eines bekannten Kühlmantels eingezeichnet ist. Durch Kürzen des Abstandes von H2- - auf H2 ergibt sich eine deutliche Verbesserung der Zylinderverformung der vierten Ordnung in dem mit Bezugszeichen 11 bezeichneten Bereich des in Fig . 5 gezeigten Verformungsdiagramms. Dabei ist im Verformungsdiagramm der Fig . 5 der ursprüngliche Verformungsverlauf mit der strichlierten Linie 12', und der Verformungsverlauf bei verkürztem Abstand H2 mit Bezugszeichen 12 bezeichnet. FIGS. 4 and 6 show a cooling jacket 1 for a three-cylinder internal combustion engine, wherein in FIG. 4 is shown for comparison with the proposal according to the invention with dashed lines 10 the course of a known cooling jacket. By shortening the distance from H 2 - - to H 2 , a significant improvement of the fourth-order cylinder deformation results in the area designated by reference numeral 11 in FIG. 5 shown deformation diagram. In the deformation diagram of FIG. FIG. 5 shows the original deformation course with the dashed line 12 ', and the course of deformation at a shortened distance H 2 with reference numeral 12.
Durch Verkürzen des Abstandes H2 zwischen der Decke 3 und dem Boden 2 des Kühlmantels 1 im an die Randzylinder grenzenden stirnseitigen Bereich 8 des Kühlmantels 1 kann somit die Steifigkeit des Zylinderblockes wesentlich erhöht werden. By shortening the distance H 2 between the ceiling 3 and the bottom 2 of the cooling jacket 1 in adjacent to the edge cylinder frontal region 8 of the cooling jacket 1 thus the rigidity of the cylinder block can be substantially increased.

Claims

P AT E N T A N S P R Ü C H E P AT TESTS
1. Flüssigkeitsgekühlte Brennkraftmaschine mit zumindest einem einen Kühl¬ mantel (1) aufweisenden Zylinderblock mit mehreren Zylindern (9), wobei der Kühlmantel (1) einen einem Kurbelraum zugewandten Boden (2) und eine einer Zylinderkopfdichtebene zugewandten Decke (3) aufweist und der Boden (2) - in einer Seitenansicht auf den Zylinderblock betrachtet - einen wellenartigen Verlauf aufweist, wobei ein in Richtung der Zylinderachse (4) gemessener erster Abstand (H) des Bodens (2) des KühlmantelsHas a liquid-cooled internal combustion engine with at least one a cooling jacket ¬ (1) having cylinder block with a plurality of cylinders (9), wherein the cooling jacket (1) has a crank chamber facing floor (2) and a cylinder head sealing plane facing ceiling (3) and the bottom (2) - viewed in a side view of the cylinder block - has a wave-like course, wherein in the direction of the cylinder axis (4) measured first distance (H) of the bottom (2) of the cooling jacket
(1) von der Decke (3) im Bereich zumindest einer die Zylinderachse (4) beinhaltenden ersten Motorquerebene (5) größer ist als ein zweiter Abstand (Hi) im Bereich zumindest einer zweiten Motorquerebene (7) zwischen zwei benachbarten Zylindern (9), dadurch gekennzeichnet, dass der Kühlmantel (1) drei verschiedene Höhen aufweist, wobei ein dritter Abstand (H2) des Bodens (2) des Kühlmantels (1) von der Decke (3) in zumindest einem stirnseitigen Bereich (8) des Kühlmantels (1) - vorzugsweise im Bereich einer durch Zylinderachsen (4) aufgespannten Motorlängsebene (13) - geringer ist, als im Bereich der zweiten Motorquerebene (7) zwischen zwei benachbarten Zylindern (9). (1) is larger than a second distance (Hi) in the region of at least one second engine transverse plane (7) between two adjacent cylinders (9) from the ceiling (3) in the region of at least one first transverse plane (5) containing the cylinder axis (4), characterized in that the cooling jacket (1) has three different heights, wherein a third distance (H 2 ) of the bottom (2) of the cooling jacket (1) from the ceiling (3) in at least one frontal region (8) of the cooling jacket (1 ) - is preferably lower in the region of an engine longitudinal plane (13) spanned by cylinder axes (4) than in the region of the second engine transverse plane (7) between two adjacent cylinders (9).
2. Brennkraftmaschine nach Anspruch 1, dadurch gekennzeichnet, dass der dritte Abstand (H2) des Boden (2) des Kühlmantels (1) von der Decke (3) in zumindest einem stirnseitigen Bereich (8) am geringsten ist. 2. Internal combustion engine according to claim 1, characterized in that the third distance (H 2 ) of the bottom (2) of the cooling jacket (1) from the ceiling (3) in at least one end region (8) is the lowest.
3. Brennkraftmaschine nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der dritte Abstand (H2) zwischen dem Boden (2) und der Decke (3) in zumindest einem stirnseitigen Bereich (8) bis etwa 90%, vorzugsweise zwischen etwa 50% und 70% des Abstandes zwischen dem Boden3. Internal combustion engine according to claim 1 or 2, characterized in that the third distance (H 2 ) between the bottom (2) and the ceiling (3) in at least one frontal region (8) to about 90%, preferably between about 50% and 70% of the distance between the ground
(2) und der Decke (3) beträgt. (2) and the ceiling (3) is.
4. Brennkraftmaschine nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass in beiden stirnseitigen Bereichen (8) des Zylinderblocks der dritte Abstand (H2) zwischen dem Boden (2) und der Decke (3) ausge¬ bildet ist. 4. Internal combustion engine according to one of claims 1 to 3, characterized in that in both end regions (8) of the cylinder block, the third distance (H 2 ) between the bottom (2) and the ceiling (3) is out ¬ forms.
5. Brennkraftmaschine nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass in zumindest einem stirnseitigen Bereich (8), vorzugsweise in beiden stirnseitigen Bereichen (8), der Boden (2) des Kühlmantels (1) ein kreisförmiges Profil aufweist. 5. Internal combustion engine according to one of claims 1 to 4, characterized in that in at least one end region (8), preferably in both end regions (8), the bottom (2) of the cooling jacket (1) has a circular profile.
PCT/EP2013/052365 2012-02-08 2013-02-07 Liquid-cooled internal combustion engine WO2013117612A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201380007956.8A CN104105865A (en) 2012-02-08 2013-02-07 Liquid-cooled internal combustion engine
US14/377,538 US20150000619A1 (en) 2012-02-08 2013-02-07 Liquid-cooled internal combustion engine
DE112013000888.2T DE112013000888A5 (en) 2012-02-08 2013-02-07 Liquid-cooled internal combustion engine

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ATA50027/2012 2012-02-08
ATA50027/2012A AT512280B1 (en) 2012-02-08 2012-02-08 LIQUID-COOLED INTERNAL COMBUSTION ENGINE

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US (1) US20150000619A1 (en)
CN (1) CN104105865A (en)
AT (1) AT512280B1 (en)
DE (1) DE112013000888A5 (en)
WO (1) WO2013117612A1 (en)

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Publication number Priority date Publication date Assignee Title
AT517117B1 (en) * 2015-05-12 2017-03-15 Avl List Gmbh LIQUID-COOLED INTERNAL COMBUSTION ENGINE
CN108131212B (en) * 2017-12-29 2020-06-23 浙江吉利动力总成有限公司 Engine cooling jacket structure
US10920711B2 (en) * 2018-06-26 2021-02-16 Ford Global Technologies, Llc Flow-directing water jacket diverter

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DE112013000888A5 (en) 2014-10-16

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