WO2005093245A1 - Bloc-cylindres - Google Patents

Bloc-cylindres Download PDF

Info

Publication number
WO2005093245A1
WO2005093245A1 PCT/AT2005/000099 AT2005000099W WO2005093245A1 WO 2005093245 A1 WO2005093245 A1 WO 2005093245A1 AT 2005000099 W AT2005000099 W AT 2005000099W WO 2005093245 A1 WO2005093245 A1 WO 2005093245A1
Authority
WO
WIPO (PCT)
Prior art keywords
cylinder housing
cavity
cylinder
particular according
cast
Prior art date
Application number
PCT/AT2005/000099
Other languages
German (de)
English (en)
Inventor
Christian Seltenhammer
Christian Pertinac
Dieter Hoefler
Original Assignee
Avl List Gmbh
Acc Akustikkompetenzzentrum 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
Priority claimed from AT5272004A external-priority patent/AT414024B/de
Priority claimed from AT21572004A external-priority patent/AT500842B8/de
Application filed by Avl List Gmbh, Acc Akustikkompetenzzentrum Gmbh filed Critical Avl List Gmbh
Priority to DE112005000652T priority Critical patent/DE112005000652A5/de
Publication of WO2005093245A1 publication Critical patent/WO2005093245A1/fr

Links

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
    • F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
    • F02F7/008—Sound insulation
    • 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
    • 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
    • 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
    • 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
    • F02F2200/00—Manufacturing
    • F02F2200/06—Casting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2253/00—Other material characteristics; Treatment of material
    • F05C2253/14—Foam

Definitions

  • the invention relates to a cylinder housing, preferably a cylinder crankcase, for an internal combustion engine with at least one cylinder for a reciprocating piston.
  • a cylinder housing with a molded cooling jacket is known, which is formed by molding in the cylinder housing.
  • the indentations are closed by a double-walled component.
  • the hollow component can reduce the combustion noise emitted by the engine.
  • crankcase of an internal combustion engine the housing walls of which are at least partially double-walled in each case by an inner housing wall and an outer housing wall with a gap therebetween. Cavities of this type serve as oil return spaces or as blow-by channels.
  • crankcase for internal combustion engines which has hollow high stiffeners in the area of the main bearing levels as part of side walls, which reduce the sound radiation.
  • hollow beams are provided transversely to the high stiffeners in the longitudinal direction of the engine, the interior of which is flow-connected to the cavities of the high stiffeners.
  • the high stiffeners serve as oil return channels.
  • a cylinder crankcase for an internal combustion engine with a cylinder block and crankshaft bearing walls and a supporting structure partially surrounding it is known, the supporting structure and the external structure consisting of different materials.
  • the support structure and the outer structure span a cooling water space in the area of the cylinder block.
  • the outer structure is formed by preformed, shell-like and thin-walled cladding parts.
  • an internal combustion engine is known from EP 0 554 575 B1, in which a cylinder liner block is cast in a cylinder block body.
  • the cylinder liner block is formed from a material that has a greater strength than the material cast around the cylinder liner block.
  • the cylinder liner block assumes the supporting function for supporting the ignition force and the pistons.
  • DE 198 10 464 Cl shows a cylinder crankcase with an outer structure made of light metal and cast parts with a high modulus of elasticity.
  • AT 003.675 Ul describes a similar cylinder crankcase, in which cast parts made of cast steel or cast iron are cast in an outer structure made of light metal.
  • DE 199 12 329 AI also describes a cast component made of light metal with a metal foam insert connected to the cast material.
  • the machine housing which is designed as a cast component, has a hollow profile filled with the metal foam insert for reinforcing the housing.
  • JP 62-032209 A discloses an internal combustion engine in which a lubricant container is arranged outside the outer wall of the cylinder block in the engine block.
  • the oil tank is only partly formed by the crankcase and closed to the outside by a separate cover.
  • the object of the invention is to further reduce the noise emissions of an internal combustion engine or to keep them as small as possible with as little effort as possible.
  • a sound-absorbing cavity is arranged at least on one longitudinal side of the cylinder housing, the sound-absorbing cavity preferably being formed in the cylinder housing in addition to the cooling jacket and oil return channels.
  • the cavity can be continuous for several cylinders.
  • the cavity can be filled with air or gas or also filled with a sound-absorbing material. To reduce the sound radiation, the cavity is at least completely closed off from the surroundings.
  • a particularly high noise reduction can be achieved if the cavity is separated from the cooling jacket of the cylinder housing and from the crank chamber as well as from the oil reflux chambers.
  • the cavity can at least partially between the cooling jacket or between the oil reflux spaces and the outer wall of the Be arranged cylinder housing. This enables the best sound-absorbing effects to be achieved.
  • the cavity is at least partially arranged between the return channels or the cooling jacket and the outer wall of the cylinder housing.
  • the cavity is connected to the inlet system or the outlet system.
  • the cavity can be designed as an inlet or outlet collector or as a collector for recirculated exhaust gas.
  • the cavity is preferably cast with the cylinder housing.
  • a cavity is arranged on each longitudinal side of the cylinder housing.
  • the cavities arranged on each long side can be designed separately or connected to one another.
  • the sound radiation can be kept as low as possible if at least one cavity of the cylinder crankcase is designed as an oil space which at least partially surrounds the cooling water jacket, the oil space preferably being completely integrated into the cylinder housing.
  • This concept is particularly suitable for dry sump lubrication, since the oil spaces serve as oil containers for the lubricating oil. Due to the double liquid jacket around the cylinders, a further reduction of the sound radiation can be achieved.
  • a further advantage of the design is that instead of an oil pan, a structurally rigid dry sump pan of low overall height can be attached to the cylinder crankcase, as a result of which the overall height of the internal combustion engine can be kept very low.
  • the dry sump trough can be designed as a structurally rigid component.
  • the internal combustion engine is built in a lightweight construction and has at least one cast-in piece which is cast into an outer structure. It is preferably provided that the oil space is molded into the outer structure.
  • the casting which is preferably designed as a one-piece skeleton core, forms the cooling water jacket, it is advantageous if the casting at least partially forms the cooling water jacket.
  • the partition between the oil space and the cooling water jacket is advantageously designed as a heat exchanger, as a result of which the cooling water jacket also serves to regulate the temperature of the oil.
  • This partition can be part of either Be casting or the outer structure, or be cast as an independent component from a different material.
  • the weight of the cylinder crankcase can be significantly reduced by the outer structure consisting of light metal foam, preferably of aluminum foam. It is preferably provided that the casting is designed as a preferably one-piece skeleton core.
  • the skeletal core advantageously includes the main bearing walls and the cylinder liners.
  • the casting consists of topology-optimized ADI cast material (Austempering Ductile Iron).
  • the prepared skeleton core is poured into the light metal foam using powder metallurgy. This foam jacket is coated and thus serves as a gas- and liquid-tight jacket.
  • the excellent damping properties of the light metal foam reduce the noise emitted by the cylinder crankcase.
  • FIG. 1 is an oblique view of a cylinder housing according to the invention
  • FIG. 2 shows the cylinder housing in a section along the line II - II in Fig. 3,
  • Fig. 3 shows the cylinder housing in a section along the line III - III in Fig. 2
  • Fig. 4 shows an inventive cylinder crankcase in a sectional oblique view
  • Fig. 5 this cylinder crankcase in a cross section.
  • the cylinder housing 1 has a plurality of cylinders 2 arranged in rows for reciprocating pistons.
  • a cooling jacket through which a cooling liquid flows runs on each longitudinal side 3, 4 of the cylinders 2.
  • the cavities 9, 10 are designed closed to the outside in the assembled state of the cylinder housing 1.
  • the cylinder head plane 11 has openings 12, 13 leading to the cavities 9, 10 in order to simplify the casting production of the cavities 9, 10. Further technical openings 14 can be arranged in the outer wall 15 of the cylinder housing 1.
  • cavities 9, 10 can be filled with a sound-absorbing material formed, for example, by a foam. It is also possible to use the cavities 9, 10 as inlet or outlet collectors, or as collectors for recirculated exhaust gas. In this case, appropriate connections to the intake, exhaust or exhaust gas recirculation system are required.
  • the cavities 9, 10 can be fluidly connected to corresponding cavities of a cylinder head (not shown further).
  • the openings 12, 13 can also be closed by the cylinder head gasket.
  • the cylinder housing 101 shown in FIGS. 4 to 5, designed as a cylinder crankcase, is of lightweight construction and has an outer structure 102 made of light metal foam, for example made of aluminum foam or magnesium foam.
  • a casting 104 which is one-piece for all cylinders, is cast in the exemplary embodiment and forms a skeleton core 105.
  • the skeleton core 105 forms the main bearing walls 103, the cylinder liners 106 and a cooling water jacket 107 surrounding them, which is molded into the casting 104.
  • the skeleton core 105 has cross ribs 109 in the region of the crankcase apron for structural stiffening, which are embedded in the outer structure 102.
  • the skeleton core 105 advantageously consists of topology-optimized ADI cast material (Austempering Ductile Iron).
  • the optimization aims for maximum rigidity with a minimum of material.
  • the main bearing caps 110 are designed as lead frames 111. The aim of optimizing this component is to make the main bearings as stiff as possible with a low weight.
  • the skeleton core 105 is cast into the light metal foam of the outer structure 102 in the pre-processed state using powder metallurgy processes.
  • This light metal foam jacket is coated and thus serves as a gas and liquid-tight jacket.
  • the excellent damping properties of the light metal foam reduce the noise emitted by the engine block.
  • Cavities forming oil spaces 116 are formed in the outer structure 102 on both sides of the cooling water jacket 107.
  • the oil spaces 116 serve on the one hand to improve the acoustic behavior and on the other hand have the advantage that the oil is better cooled by the cooling water jacket 107.
  • the oil spaces 116 have windows 117 bordering the skeleton core 105 in the region of the cooling water jacket 107.
  • the partition 118 formed in the exemplary embodiment by the skeleton core 105 between the oil space 116 and the cooling water jacket 107 is preferably optimized with regard to the heat exchange oil-water and can also be made of appropriate materials for this.
  • Cast-in mounting flanges are also provided for any attachments.
  • the forces must be applied over a large area.
  • contact surfaces can be embedded in the outer structure 102.
  • mounting flanges 112 can be made of iron material.
  • An oil pan or a dry sump pan 115 made of light metal foam and an inner pan 115a made of plastic are attached to the mounting flange 112 of the cylinder housing 101.
  • a lead frame 111 can possibly be dispensed with.
  • the main bearing caps 110 are made in one piece with the dry sump pan 115.

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

L'invention concerne un bloc-cylindres (1) qui comprend une cavité (9, 10) qui s'étend au moins sur plusieurs cylindres (2), le long d'au moins un côté longitudinal (3, 4), pour que l'émission de bruit soit réduite.
PCT/AT2005/000099 2004-03-25 2005-03-21 Bloc-cylindres WO2005093245A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112005000652T DE112005000652A5 (de) 2004-03-25 2005-03-21 Zylindergehäuse

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ATA527/2004 2004-03-25
AT5272004A AT414024B (de) 2004-03-25 2004-03-25 Zylindergehäuse
AT21572004A AT500842B8 (de) 2004-12-23 2004-12-23 Zylinder-kurbelgehäuse für eine brennkraftmaschiene
ATA2157/2004 2004-12-23

Publications (1)

Publication Number Publication Date
WO2005093245A1 true WO2005093245A1 (fr) 2005-10-06

Family

ID=34962857

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2005/000099 WO2005093245A1 (fr) 2004-03-25 2005-03-21 Bloc-cylindres

Country Status (2)

Country Link
DE (1) DE112005000652A5 (fr)
WO (1) WO2005093245A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006122711A1 (fr) * 2005-05-18 2006-11-23 Fev Motorentechnik Gmbh Carter-cylindres conçu pour un moteur a combustion interne
FR2903725A1 (fr) * 2006-07-13 2008-01-18 Renault Sas Rampe d'huile principale refroidie d'un carter de moteur
FR2990247A1 (fr) * 2012-05-02 2013-11-08 Peugeot Citroen Automobiles Sa Insert de fut de carter cylindres d'un moteur
DE102016115526A1 (de) * 2016-08-22 2018-02-22 Volkswagen Aktiengesellschaft Zylinderkurbelgehäuse für eine Brennkraftmaschine mit Kunststoffgehäuse und Metall-Insert

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5479317A (en) * 1977-12-06 1979-06-25 Nissan Motor Co Ltd Engine
US4412516A (en) * 1979-12-25 1983-11-01 Nissan Motor Company, Ltd. Low-noise level internal combustion engine
DE3430289A1 (de) * 1983-09-19 1985-03-28 AVL Gesellschaft für Verbrennungskraftmaschinen und Messtechnik mbH, Prof. Dr.Dr.h.c. Hans List, Graz Brennkraftmaschine mit fluessigkeitskuehlung
JPS6232209A (ja) 1985-08-01 1987-02-12 Yamaha Motor Co Ltd 内燃機関のオイルタンク
JPH04303160A (ja) 1991-03-29 1992-10-27 Mazda Motor Corp エンジン構造
DE4324609A1 (de) 1993-07-22 1995-01-26 Avl Verbrennungskraft Messtech Kurbelgehäuse für Brennkraftmaschinen
EP0554575B1 (fr) 1992-01-06 1997-03-19 Honda Giken Kogyo Kabushiki Kaisha Bloc-cylindre
JPH09303197A (ja) * 1996-05-14 1997-11-25 Yamaha Motor Co Ltd エンジンのシリンダブロック
JPH1054237A (ja) * 1997-05-26 1998-02-24 Honda Motor Co Ltd 船外機
EP0851109A1 (fr) * 1996-12-27 1998-07-01 Honda Giken Kogyo Kabushiki Kaisha Moteur à combustion interne refroidi par eau
DE19812464A1 (de) 1997-03-25 1998-10-01 Volkswagen Ag Kurbelgehäuse einer Brennkraftmaschine
AT2544U1 (de) 1998-02-25 1998-12-28 Avl List Gmbh Zylinder-kurbelgehäuse für eine brennkraftmaschine und verfahren zur herstellung desselben
DE19810464C1 (de) 1998-03-11 1999-06-02 Daimler Chrysler Ag Kurbelgehäuse für eine Brennkraftmaschine
EP0928891A2 (fr) * 1998-01-12 1999-07-14 Isuzu Motors Limited Structure d'un bloc-cylindre
EP0952325A2 (fr) 1998-04-25 1999-10-27 DaimlerChrysler AG Moteur à combustion interne
US20040035375A1 (en) * 2001-03-14 2004-02-26 Rudolf Gibisch Cylinder block and crankcase for a liquid-cooled internal-combustion engine

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5479317A (en) * 1977-12-06 1979-06-25 Nissan Motor Co Ltd Engine
US4412516A (en) * 1979-12-25 1983-11-01 Nissan Motor Company, Ltd. Low-noise level internal combustion engine
DE3430289A1 (de) * 1983-09-19 1985-03-28 AVL Gesellschaft für Verbrennungskraftmaschinen und Messtechnik mbH, Prof. Dr.Dr.h.c. Hans List, Graz Brennkraftmaschine mit fluessigkeitskuehlung
JPS6232209A (ja) 1985-08-01 1987-02-12 Yamaha Motor Co Ltd 内燃機関のオイルタンク
JPH04303160A (ja) 1991-03-29 1992-10-27 Mazda Motor Corp エンジン構造
EP0554575B1 (fr) 1992-01-06 1997-03-19 Honda Giken Kogyo Kabushiki Kaisha Bloc-cylindre
DE4324609A1 (de) 1993-07-22 1995-01-26 Avl Verbrennungskraft Messtech Kurbelgehäuse für Brennkraftmaschinen
JPH09303197A (ja) * 1996-05-14 1997-11-25 Yamaha Motor Co Ltd エンジンのシリンダブロック
EP0851109A1 (fr) * 1996-12-27 1998-07-01 Honda Giken Kogyo Kabushiki Kaisha Moteur à combustion interne refroidi par eau
DE19812464A1 (de) 1997-03-25 1998-10-01 Volkswagen Ag Kurbelgehäuse einer Brennkraftmaschine
JPH1054237A (ja) * 1997-05-26 1998-02-24 Honda Motor Co Ltd 船外機
EP0928891A2 (fr) * 1998-01-12 1999-07-14 Isuzu Motors Limited Structure d'un bloc-cylindre
AT2544U1 (de) 1998-02-25 1998-12-28 Avl List Gmbh Zylinder-kurbelgehäuse für eine brennkraftmaschine und verfahren zur herstellung desselben
DE19810464C1 (de) 1998-03-11 1999-06-02 Daimler Chrysler Ag Kurbelgehäuse für eine Brennkraftmaschine
EP0952325A2 (fr) 1998-04-25 1999-10-27 DaimlerChrysler AG Moteur à combustion interne
US20040035375A1 (en) * 2001-03-14 2004-02-26 Rudolf Gibisch Cylinder block and crankcase for a liquid-cooled internal-combustion engine

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 003, no. 105 (M - 071) 5 September 1979 (1979-09-05) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 03 27 February 1998 (1998-02-27) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 06 30 April 1998 (1998-04-30) *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006122711A1 (fr) * 2005-05-18 2006-11-23 Fev Motorentechnik Gmbh Carter-cylindres conçu pour un moteur a combustion interne
FR2903725A1 (fr) * 2006-07-13 2008-01-18 Renault Sas Rampe d'huile principale refroidie d'un carter de moteur
FR2990247A1 (fr) * 2012-05-02 2013-11-08 Peugeot Citroen Automobiles Sa Insert de fut de carter cylindres d'un moteur
DE102016115526A1 (de) * 2016-08-22 2018-02-22 Volkswagen Aktiengesellschaft Zylinderkurbelgehäuse für eine Brennkraftmaschine mit Kunststoffgehäuse und Metall-Insert
DE102016115526B4 (de) 2016-08-22 2022-09-08 Volkswagen Aktiengesellschaft Zylinderkurbelgehäuse für eine Brennkraftmaschine mit Kunststoffgehäuse und Metall-Insert

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