EP0771944B1 - Bâtiment pour un moteur à combustion interne aux pistons - Google Patents
Bâtiment pour un moteur à combustion interne aux pistons Download PDFInfo
- Publication number
- EP0771944B1 EP0771944B1 EP96115004A EP96115004A EP0771944B1 EP 0771944 B1 EP0771944 B1 EP 0771944B1 EP 96115004 A EP96115004 A EP 96115004A EP 96115004 A EP96115004 A EP 96115004A EP 0771944 B1 EP0771944 B1 EP 0771944B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing according
- deck
- inner part
- housing
- bushings
- 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
Links
Images
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
- 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
- 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
- F02F7/0021—Construction
- F02F7/0024—Casings for larger engines
-
- 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
- F02F2001/104—Cylinders; Cylinder heads having cooling means for liquid cooling using an open deck, i.e. the water jacket is open at the block top face
-
- 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
- F02F2001/106—Cylinders; Cylinder heads having cooling means for liquid cooling using a closed deck, i.e. the water jacket is not open at the block top face
Definitions
- the invention relates to a housing for an internal combustion engine according to the preamble of claim 1.
- a generic housing is disclosed in DE-34 36 872 C2.
- This housing for a single-row internal combustion engine has an inner part which is common to all cylinders and consists of gray cast iron and has a cover-like bottom.
- screw pipes Adjacent to individual cylinders, screw pipes extend between an upper connection plane carrying a cylinder head and a lower connection plane receiving a longitudinal axis of the crankshaft.
- the floor arranged between these levels is closer to the lower connection level and is surrounded in the longitudinal direction of the internal combustion engine by side webs arranged between the screw pipes and connected to it.
- a wall extends from this floor to the lower connection plane, which serves to support the crankshaft.
- the floor has a circular recess, in which liners are inserted separately.
- this inner part is encapsulated by an outer part made of heat-resistant plastic with the formation of cooling water and oil-carrying spaces.
- CH-428 319 also includes an aluminum crankcase separately used liners known, the side walls for the purpose of reduction the noise emission caused by during the casting of the housing Metal plates are formed.
- DE-OS 17 51 919 is a one-piece cylinder block for one Internal combustion engine with cast crankshaft bearings and cast stud bolts for fastening a cylinder head known, the outer shell by attached Molded parts made of sheet metal or plastic.
- the invention has for its object a generic housing for a To create reciprocating internal combustion engine with an inner and an outer part, which is largely free of distortion and as stiff as possible during operation of the internal combustion engine is.
- this case should be lightweight and acoustically favorable Damping properties is provided.
- the inner part also integrally receives the liners, whereby additional connection points are avoided. All of the noise-causing or noise-transmitting components of the inner part are thus to be produced using the same material, for example, from a gray cast iron material which has favorable damping properties.
- the essential further component of the housing, the outer part can be made of a light metal material to reduce the weight of the entire housing, for. B. made of an aluminum or magnesium alloy, and thus has sufficient strength to absorb the forces and moments transmitted from the inner part to the outer part and vice versa, moreover, it is for the operating conditions prevailing in an internal combustion engine, in particular comparatively high temperatures and exposure to Oil or water ideally suited.
- the outer part can be made of a lightweight plastic.
- the screw pipes extend largely free-standing from the Bushings, so that those transferred by piston side forces to the liners Vibrations are not passed on via these screw pipes.
- Vibrations originating from the crank mechanism by means of these screw pipes kept away from the bushings due to a continuous flow of power.
- the Bushings are therefore from the alternating forces between the cylinder head and crank mechanism transmitting power flow exempt and in this respect with little delay, which in turn z. B. has a positive effect on oil consumption, wear and blow-by gases.
- the screw pipes can come off the deck extend to the upper connection level, alternatively these can Screw whistles can also be carried out horizontally separately.
- the second part of the screw pipes is arranged in the outer part and is supported under direct contact with the section assigned to the inner part.
- the deck has, in a further embodiment, a claw on its outer circumferential line, which is largely enclosed during the encapsulation with the material of the outer frame.
- this claw area can have a circumferential bead which, in a further embodiment, can be designed in a tooth-like manner in sections. In any case, this deck enables an unimpeded, even flow of force for these longitudinal forces, which in turn causes less warpage.
- the deck can be in between the outer circumference and the liners area for the purpose of improved clawing by means of openings be penetrated by the material of the outer part.
- this housing can be used in other advantageous embodiment comparable claw areas on its upper or have lower end surface.
- those in the area below Connection level lying storage chairs for the crankshaft protruding further Have claw areas, which purpose in the longitudinal direction with each other Bracing can be connected.
- the end faces of the one-piece screw pipes assigned to the upper connection level and / or the bushings can continue to this upper connection level have vertical toothing for improved clawing.
- these end faces become complete Poured by the material of the outer part, so that in the area of this upper connection level A cover surface of the same material is available for further processing. This is favorable for the cutting tools to be used and for the adjusting ones Chip flow and the recycling of these chips.
- this housing can be designed as an open deck or closed deck become. Furthermore, the housing is in die casting, die casting or sand casting representable.
- a water jacket core can be arranged directly on the outside of the liners to produce a cooling water jacket, whereby an optimal heat transfer can be achieved.
- the water jacket core can be arranged at a slight distance from the liners so that a comparatively thin layer of the outer part material is cast around them, thereby creating a self-contained, liquid-tight cooling water-conducting cavity.
- Bearing caps held on the storage chairs are preferably made of the same Material, preferably gray cast iron, like the inner part.
- this bearing cap in the form of a integrally formed bearing bridge extending over the length of the housing are summarized.
- the invention has the advantage that a low-warpage, rigid housing with very good running and damping properties with low weight is created.
- the usual effort due to the additional pressing is eliminated or pouring occasional liners or the complex processing of Cylinder running surfaces in so-called light metal engines.
- the housing in the case of an in-line internal combustion engine or a VR engine with multiple cylinders has an inner part, while a V internal combustion engine can have its own inner part for each cylinder bank, which are then cast together by the outer part.
- An internal combustion engine has a housing which is essentially formed from an inner part, designated overall by 1, and an outer part 2 cast around it.
- the internal combustion engine has cylinders 3, 4 arranged along a longitudinal center plane L, which have bushings 5, 6.
- the inner part 1 is made in one piece and of the same material from gray cast iron and consists essentially from the liners 5, 6, a deck 7, screw pipes 8 and Bearing 9 for a crankshaft, in transverse planes Q adjacent to the cylinders 3, 4 running walls 10.
- the inner part 1 extends essentially between an upper Connection level A for a cylinder head, not shown, and a lower connection level B.
- the screw pipes 8 extend from the deck 7 into the area of upper connection level A, while the walls 10 are essentially from the deck 7 extend to the lower connection level B.
- the sleeves 5 extend in their lower area to a level E lying between the deck 7 and the lower connection level B.
- the screw pipes 8 have receptacles 11 and threads 12 for receiving screws (not shown) connecting a cylinder head to the housing.
- Both sides of the bearing 9 are 10 threads 13 in each wall for fastening Crankshaft bearing caps 14 arranged, these made of the same gray cast iron material are made like the inner part 1.
- Threads 13 and threads 14 can be axially aligned to improve the Force flow can be arranged, alternatively can from the bearing caps 14 to Continuous tie rods are used for the cylinder head.
- An integral part of the inner frame 1 is adjacent to the deck 7 Main oil channel 15 extending in the longitudinal direction, of which, for example, transverse channels 16 to supply the bearings 9.
- the deck 7 has on its outer circumferential line a claw area 20 which is largely encapsulated by the outer frame 2.
- the claw area 20 has a bead 21 which extends at least in sections along the circumferential line of the deck 7 and extends to both sides of this deck 7 and which, as can be seen from FIG. 2, has a tooth-like shape 22.
- the deck 7 according to FIG. 1 has openings 23 which are penetrated by the outer part 2 when the outer part 2 is cast around it. Deviating from the design of the deck 7 shown in the figures, this can run significantly closer to the bushings 5, 6 or the screw pipes 8 and, in so far as it is less plate-like, as can be seen, for example, from FIG.
- Another claw area 24 is on the bearing chairs 25 of the bearing 9 to the outside protruding in the form of struts 26 provided with an opening. This can, as shown in Figure 3, right half of the picture, by means of cast bridges 27 in Be longitudinally connected to each other.
- the bushings 5, 6 have a toothing 28 in the form of cast-in recesses 29 on their end face 30 facing the plane A.
- An identical claw can be provided on the corresponding end faces 31 of the screw pipes 8. These end faces 30, 31 are completely encapsulated by the outer part material according to FIGS. 5 and 6, so that a cover surface 32 of the same material as that facing the cylinder head is created.
- a water jacket core 35 can be arranged at a slight distance from the liners 5, 6 in such a way that they are surrounded by a comparatively thin layer 36.
- this water jacket core 35 can also be arranged directly on the liners 5, 6.
- a finished housing, formed from inner part 1 and outer part 2, can best be seen from FIG. 5, wherein there is a gear flange 40 formed integrally with the outer part 2 for connecting a gear unit to the housing.
- the claw area 20 and struts 26 are encapsulated by the outer part material, ribs 41 provided with openings in the area of the walls 10 and the bearings 9 being provided for further stiffening of the entire housing.
- FIG. 5 also clearly shows the manner in which the deck 7 and the outer walls 42 of the outer part 2 delimit an oil-carrying space in the region of the crank mechanism, while above the deck 7 cooling water-carrying spaces are designed in the form of the water jacket 37.
- FIGS. 8 and 9 An embodiment modified with regard to the design of the screw pipes 8 is shown in FIGS. 8 and 9.
- the screw pipes 8 are of split design, a lower part being designed as a threaded piece 81 belonging to the inner part 1 and an upper part being formed as supports 82 having the receptacles 11 and belonging to the outer part 2.
- the threads 12, in which the cylinder head screws can engage, are formed in the threaded slug 81.
- the threaded slugs 81 and the supports 82 form a shoulder-like system 83, so that an unimpeded, continuous flow of force is also ensured here.
- this embodiment offers improved conditions for the encapsulation of the bushings 5.
- a further claw area 84 can be seen in these figures in the transverse planes having the storage chairs 25.
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 (17)
- Carter pour un moteur alternatif à combustion interne, comportant au moins une partie interne (1) métallique qui est conçue d'un seul tenant, qui comporte au moins un cylindre (3, 4) et qui comporte un chapeau (7) avec des pipes à vis (8) formées dessus et s'étendant en direction d'un plan de raccord supérieur (A) pour une culasse de cylindre, des parois (10) qui partent de ce chapeau (7) dans des plans transversaux (Q) au voisinage du cylindre (3, 4) s'étendant jusqu'à un plan de raccord inférieur (B) et comportant des sabots d'appui (25) pour un vilebrequin, et une partie externe (2) coulée autour de la partie interne (1), formant des espaces pour la circulation d'eau de refroidissement et d'huile et construite en un matériau différent de celui de la partie interne (1), caractérisé en ce que des boítes de glissement (5, 6) sont conçues d'un seul tenant avec la partie interne (1) et dans le même matériau que celle-ci.
- Carter selon la revendication 1, caractérisé en ce que les boítes de glissement (5, 6) s'étendent entre le plan de raccord supérieur (A) et un plan (E) situé entre le chapeau (7) et le plan de raccord inférieur (B).
- Carter selon la revendication 1 ou 2, caractérisé en ce que des ponts de renfort (17) coulés sont agencés dans la zone du chapeau (7) entre les pipes à vis (8) et les boítes de glissement (5, 6).
- Carter selon la revendication 1, caractérisé en ce que le chapeau (7) comporte sur sa ligne circonférentielle une zone de cramponnage (20) qui est largement entourée par coulage par une zone correspondante de la partie externe (2).
- Carter selon la revendication 4, caractérisé en ce que d'autres zones de cramponnage (24) dépassant vers l'extérieur sont agencées sur les sabots d'appui (25).
- Carter selon la revendication 4 ou 5, caractérisé en ce qu'un bourrelet (21) périphérique s'étend au moins par sections le long de la ligne circonférentielle.
- Carter selon une ou plusieurs des revendications 4 à 6, caractérisé en ce que la ligne circonférentielle comporte au moins par sections une forme en denture (22).
- Carter selon une ou plusieurs des revendications 4 à 7, caractérisé en ce que le chapeau (7) comporte dans la zone de cramponnage (20) des ruptures (23) contenant du matériau de la partie externe.
- Carter selon la revendication 5, caractérisé en ce que les autres zones de cramponnage (24) sont reliées ensemble dans la direction longitudinale du carter au moyen de ponts (27) coulés dessus.
- Carter selon la revendication 1, caractérisé en ce que des surfaces frontales (30, 31) proches du plan de raccord supérieur (A), de la partie interne (1) sont entourées par coulage par le matériau de la partie externe de telle sorte qu'il se forme une surface couvrante (32) proche de la culasse de cylindre et en un seul matériau.
- Carter selon la revendication 10, caractérisé en ce qu'au moins l'une des surfaces frontales (30, 31) porte une denture (28) s'étendant perpendiculairement au plan de raccord supérieur (A).
- Carter selon la revendication 1, caractérisé en ce que, pendant que la partie interne (1) est entourée par coulage, un noyau de chemise d'eau (35) est placé directement sur les boítes de glissement (5, 6).
- Carter selon la revendication 1, caractérisé en ce que, pendant que la partie interne (1) est entourée par coulage, un corps de chemise d'eau (35) est placé à une petite distance des boítes de glissement (5, 6).
- Carter selon la revendication 1, caractérisé en ce que les paliers (9) du vilebrequin comportent des chapeaux de paliers (14) dont les assemblages à vis agencés des deux côtés d'un plan médian longitudinal (L) sont agencés de manière à être alignés avec les pipes à vis (8).
- Carter selon la revendication 1 ou 14, caractérisé en ce que les paliers (9) du vilebrequin comportent des chapeaux de paliers (14) qui sont assemblés les uns aux autres à la manière de ponts dans la direction d'un plan médian longitudinal (L), ces chapeaux de paliers étant fabriqués dans le même matériau que la partie interne (1).
- Carter selon la revendication 1, caractérisé en ce que les pipes à vis (8) s'étendent à partir du chapeau (7) jusque dans la zone du plan de raccord supérieur (A).
- Carter selon la revendication 1, caractérisé en ce que les pipes à vis (8) sont conçues séparées de telle sorte qu'une partie est conçue comme un embout taraudé (81) et est associée à la partie interne (1) et qu'une autre partie est conçue comme manchon (82) et est associée à la partie externe (2).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19540763 | 1995-11-02 | ||
DE19540763A DE19540763C1 (de) | 1995-11-02 | 1995-11-02 | Gehäuse für eine Hubkolben-Brennkraftmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0771944A1 EP0771944A1 (fr) | 1997-05-07 |
EP0771944B1 true EP0771944B1 (fr) | 2001-03-21 |
Family
ID=7776396
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96115004A Expired - Lifetime EP0771944B1 (fr) | 1995-11-02 | 1996-09-19 | Bâtiment pour un moteur à combustion interne aux pistons |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0771944B1 (fr) |
AT (1) | ATE199964T1 (fr) |
CA (1) | CA2189382C (fr) |
DE (1) | DE19540763C1 (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19640719C1 (de) * | 1996-10-02 | 1997-10-16 | Iav Motor Gmbh | Lagerbett für die Kurbelwellenlagerung von Verbrennungsmotoren |
AT3675U1 (de) * | 1999-05-04 | 2000-06-26 | Avl List Gmbh | Zylinder-kurbelgehäuse für eine brennkraftmaschine |
GB2349592A (en) * | 1999-05-07 | 2000-11-08 | Perkins Engines Co Ltd | Cylinder block and method of fabrication thereof |
DE19949416B4 (de) * | 1999-10-13 | 2006-09-07 | Dragan Popov | Gehäuse für eine Brennkraftmaschine |
DE10112132A1 (de) | 2001-03-14 | 2002-09-19 | Bayerische Motoren Werke Ag | Zylinderkurbelgehäuse für eine flüssigkeitsgekühlte Brennkraftmaschine |
DE10221675C5 (de) * | 2002-05-16 | 2014-04-03 | Audi Ag | Zylindergehäuse |
DE10221673C5 (de) * | 2002-05-16 | 2008-12-04 | Audi Ag | Zylinderliner zum Eingießen in ein Zylindergehäuse |
DE10244828B4 (de) * | 2002-09-25 | 2011-12-01 | Bayerische Motoren Werke Aktiengesellschaft | Zylinderkurbelgehäuse für eine Verbrennungskraftmaschine |
CN113217220B (zh) * | 2021-05-26 | 2022-07-26 | 河南柴油机重工有限责任公司 | 一种单缸机机体 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH428319A (de) * | 1965-09-08 | 1967-01-15 | Cav Ltd | Kurbelgehäuse für Mehrzylinder-Verbrennungsmotoren und Verfahren zu seiner Herstellung |
DE1751919A1 (de) * | 1968-08-17 | 1971-07-08 | Frese Fritz Dipl Ing | Zylinderblock mit Kurbelgehaeuse |
JPS5710438U (fr) * | 1980-06-21 | 1982-01-20 | ||
US4644911A (en) * | 1983-10-07 | 1987-02-24 | Honda Giken Kogyo Kabushiki Kaisha | Cylinder block for internal combustion engine |
CA1256265A (fr) * | 1984-11-09 | 1989-06-27 | Akio Kawase | Fabrication de blocs-cylindres de type siamois |
US4858670A (en) * | 1987-12-24 | 1989-08-22 | Ford Motor Company | Method of making and apparatus for monoblock engine construction |
US5083537A (en) * | 1990-12-17 | 1992-01-28 | Ford Motor Company | Composite internal combustion engine housing |
EP0554575B1 (fr) * | 1992-01-06 | 1997-03-19 | Honda Giken Kogyo Kabushiki Kaisha | Bloc-cylindre |
DE4231284A1 (de) * | 1992-09-18 | 1994-03-24 | Bruehl Eisenwerk | Zylinderblock für eine Brennkraftmaschine |
DE4306269A1 (de) * | 1993-03-01 | 1994-02-24 | Daimler Benz Ag | Gehäuse für eine Brennkraftmaschine |
-
1995
- 1995-11-02 DE DE19540763A patent/DE19540763C1/de not_active Expired - Fee Related
-
1996
- 1996-09-19 EP EP96115004A patent/EP0771944B1/fr not_active Expired - Lifetime
- 1996-09-19 AT AT96115004T patent/ATE199964T1/de not_active IP Right Cessation
- 1996-11-01 CA CA002189382A patent/CA2189382C/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2189382C (fr) | 2005-04-05 |
EP0771944A1 (fr) | 1997-05-07 |
ATE199964T1 (de) | 2001-04-15 |
CA2189382A1 (fr) | 1997-05-03 |
DE19540763C1 (de) | 1996-12-19 |
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