EP1721072B1 - Chemise de cylindre pour moteur a combustion interne - Google Patents

Chemise de cylindre pour moteur a combustion interne Download PDF

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Publication number
EP1721072B1
EP1721072B1 EP05714992.4A EP05714992A EP1721072B1 EP 1721072 B1 EP1721072 B1 EP 1721072B1 EP 05714992 A EP05714992 A EP 05714992A EP 1721072 B1 EP1721072 B1 EP 1721072B1
Authority
EP
European Patent Office
Prior art keywords
cylinder sleeve
bushing
raugussbuchsen
der
und
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 - Fee Related
Application number
EP05714992.4A
Other languages
German (de)
English (en)
Other versions
EP1721072A1 (fr
Inventor
Karlheinz Bing
Stefan Spangenberg
Georg Schuller
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.)
Mahle GmbH
Original Assignee
Mahle 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 Mahle GmbH filed Critical Mahle GmbH
Publication of EP1721072A1 publication Critical patent/EP1721072A1/fr
Application granted granted Critical
Publication of EP1721072B1 publication Critical patent/EP1721072B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/0009—Cylinders, pistons
    • 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
    • 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
    • F02F1/16—Cylinder liners of wet type
    • 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
    • F05C2201/00—Metals
    • F05C2201/04—Heavy metals
    • F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
    • F05C2201/0436—Iron
    • F05C2201/0439—Cast iron
    • 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
    • F05C2201/00—Metals
    • F05C2201/90—Alloys not otherwise provided for
    • F05C2201/903—Aluminium alloy, e.g. AlCuMgPb F34,37
    • 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
    • F05C2251/00—Material properties
    • F05C2251/04—Thermal properties
    • F05C2251/042—Expansivity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/4927—Cylinder, cylinder head or engine valve sleeve making
    • Y10T29/49272—Cylinder, cylinder head or engine valve sleeve making with liner, coating, or sleeve

Definitions

  • the invention relates to a bushing for an internal combustion engine according to the preamble of claim 1.
  • the roughening on the outer surface of the Raugussbuchse provides a very large standing in contact with the material of the engine block outer surface over which the heat of combustion can be well dissipated.
  • the plurality of elevations with undercuts results in a tight clamping between the bushing and engine block, which prevents the formation of a thermally insulating gap between the bush and engine block with different expansion coefficients due to different materials of bushing and engine block.
  • Fig. 1 shows in perspective and Fig. 2 in top view, one of four Raugussbuchsen 1 to 4 existing bushing package 5.
  • the 4 Raugussbuchsen 1 to 4 have roughened over their entire axial length outer surfaces.
  • the common wall areas 6 to 8 adjacent jacks 1 to 4 a web width x, which corresponds to the other wall thickness of the Raugussbuchsen 1 to 4.
  • the entire bushing package 5 is made in a single casting process from an aluminum-silicon alloy using the cast-on-casting or lost-foam casting process. Both casting methods are known from the prior art (see DE 199 58 185 A1 to the "lost-foam" casting method) and will not be explained here. In the manufacture of an engine block, the entire bushing package 5 is placed in the mold provided for this purpose and molded with casting material.
  • the in the 3 and 4 illustrated cross sections 9 and 10 through parts of the wall of the Raugussbuchsen show embodiments of the roughening, wherein the roughening according to section 9 irregularly distributed elevations 11 and the roughening according to cross section 10 regularly distributed elevations 12 has.
  • the elevations 10 and 11 are shaped so that they form undercuts 13 and 14, whose function is to anchor the Raugussbuchsen in the surrounding material of the engine block.
  • the height of the elevations 11 and 12 and thus the depth y of the roughening have a value of 0.2 mm to 2 mm.
  • the in the FIGS. 5 to 15 flattened Raugussbuchsen shown in cross section may consist of cast iron and are then preferably prepared by centrifugal casting. But they can also consist of an aluminum-silicon alloy, which opens up the possibility to produce the Raugussbuchsen in the stand casting process, by centrifugal casting or in the "lost-foam" casting process. Ultimately, it is possible to produce the Raugussbuchsen of a sintered metal. In this case, the bushes can already get their final, one- or two-sided flattened shape as part of the casting process. But it is also possible to flatten the bushes after casting by mechanical processing (milling).
  • an engine block made of light metal such as aluminum, magnesium or an alloy with these metals
  • the bushes can be joined together via their flattened areas, that is to say they are welded, soldered or adhesively bonded to one another via their flattened lateral surfaces so that spectacle-shaped arrangements of the bushings result on average.
  • the bushing packages thus obtained are then inserted into the casting tool and encapsulated with the light metal of the engine block.
  • FIG. 17 Another way to connect jacks together before pouring into an engine block is in Fig. 17 shown. Used here are bridges 45 and 46 which are glued or soldered to adjacent areas of the end faces 47 and 48 and 49 and 50 of the sockets 51 and 52 and connect the jacks 51 and 52 thereby.
  • the bridges 45, 46 may be in the shape of round discs.
  • Fig. 19 can be given to the bridges 45 ', 46' but also the shape of rectangular slices.
  • the bridges are made of light metal or a light metal alloy.
  • the gap between the sockets can not be arbitrarily narrow so that the light metal of the engine block flows through the gap between the sockets, fills the space between the sockets, and after cooling, makes a firm connection between the sockets creates.
  • bushings are flattened on opposite jacket areas, it is necessary for this purpose to ensure that the bushings always assume a clearly defined rotational position when mounted on the sleeves, so that the gap between the flattened areas of the bushings retains its maximum width and not is reduced by partially twisted sockets or completely closed. This is achieved by the fact that the opposing flattenings of the bushing lateral surfaces in their lower, the crankshaft facing areas 53, 53 ', which in the Fig. 20 .
  • the steps 53, 53 ' likewise have flattened regions 54, 54' ( Fig. 20 . 23, 24 ), which must be aligned parallel to each other when pushing the bushings on quills, so that the sockets fit on the sleeves, and thus ensure that the jacks always take a clearly defined rotational position to each other.
  • the bushes can be joined to one another via the flattened regions 54, 54 'of the steps 53, 53', ie, glued together, or soldered.
  • the width of the gap 55 is 1 mm to 3.5 mm for a Raugussbuchse with a wall thickness 56 of 2.5 mm and a depth 57 of the roughening of 1.5 mm.
  • the web width 60 is 5.5 mm for bushes with a cylinder diameter 58 of 82 mm.
  • Achievable here is a cylinder spacing 59 of 87.5 mm.
  • Fig. 23 is in side view and in Fig. 24 to see well in plan view formed in the sleeve outer surface flattening 61, which has no roughening in contrast to the other sleeve outer surface.
  • FIGS. 25 and 26 Another solution to the problem of keeping the flats of the Raugussbuchsen at a distance, and to ensure that the sockets are arranged in a clearly defined rotational position to each other, is according to FIGS. 25 and 26 in a spacer 62 arranged between the flattened regions 63 and 64.
  • This has the further advantage that space is available for the cooling bores to be introduced into the engine block between the flattened regions 63 and 64 of the bushings held at a distance from one another.
  • opposing areas of the outer surfaces of juxtaposed bushings may be concave.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Claims (9)

  1. Chemise (29) pour un moteur à combustion interne, dont la surface extérieure présente au moins une zone (54, 54', 61) aplatie, s'étendant sur toute sa longueur axiale et présente, au moins dans sa zone inférieure tournée vers le carter-moteur, au moins un segment de prise avec au moins une partie faisant saillie présentant une contre-dépouille,
    caractérisée en ce que
    la chemise est réalisée sous la forme d'une douille en fonte brute, dont la surface extérieure présente une rugosité (33) s'étendant sur toute sa longueur axiale et constituée d'une pluralité de parties surélevées (11, 12) avec des contre-dépouilles (13, 14),
    la chemise présente un contour extérieur elliptique dans la section transversale, et
    la forme extérieure de la chemise est formée, pour une épaisseur de paroi de chemise (32) constante, par une profondeur variant sur la périphérie de la rugosité (33).
  2. Chemise selon la revendication 1, caractérisée en ce que la hauteur des parties surélevées (11, 12) est de 0,2 mm à 2 mm.
  3. Chemise selon l'une quelconque des revendications précédentes, caractérisée en ce que l'au moins une zone aplatie est pourvue, sur son côté inférieur tourné vers le carter-moteur, d'un palier (53) avec une zone (54) aplatie située radialement à l'extérieur.
  4. Chemise selon l'une quelconque des revendications précédentes, caractérisée en ce qu'elle est constituée de fonte et est fabriquée lors du procédé de moulage par centrifugation.
  5. Chemise selon la revendication 1 à 4, caractérisée en ce qu'elle est constituée d'un alliage d'aluminium et de silicium.
  6. Chemise selon la revendication 5, caractérisée en ce qu'elle est fabriquée lors du procédé de moulage par gravité.
  7. Chemise selon la revendication 5, caractérisée en ce qu'elle est fabriquée lors du procédé de moulage par centrifugation.
  8. Chemise selon la revendication 5, caractérisée en ce qu'elle est fabriquée lors du procédé de moulage « lost foam ».
  9. Chemise selon la revendication 1 à 3, caractérisée en ce qu'elle est constituée d'un métal fritté.
EP05714992.4A 2004-02-18 2005-02-18 Chemise de cylindre pour moteur a combustion interne Expired - Fee Related EP1721072B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004007774A DE102004007774A1 (de) 2004-02-18 2004-02-18 Laufbuchse für einen Verbrennungsmotor
PCT/DE2005/000283 WO2005078265A1 (fr) 2004-02-18 2005-02-18 Chemise de cylindre pour moteur a combustion interne

Publications (2)

Publication Number Publication Date
EP1721072A1 EP1721072A1 (fr) 2006-11-15
EP1721072B1 true EP1721072B1 (fr) 2017-04-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP05714992.4A Expired - Fee Related EP1721072B1 (fr) 2004-02-18 2005-02-18 Chemise de cylindre pour moteur a combustion interne

Country Status (8)

Country Link
US (1) US7806098B2 (fr)
EP (1) EP1721072B1 (fr)
JP (1) JP4653762B2 (fr)
KR (1) KR101279846B1 (fr)
CN (1) CN2900814Y (fr)
BR (1) BRPI0507731A (fr)
DE (1) DE102004007774A1 (fr)
WO (1) WO2005078265A1 (fr)

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US20190323448A1 (en) * 2018-04-19 2019-10-24 GM Global Technology Operations LLC Cylinder liner for internal combustion engine and method for making cylinder liner
JP6978990B2 (ja) 2018-08-22 2021-12-08 Ｔｐｒ株式会社 シリンダライナ、ブロックの製造方法及びシリンダライナの製造方法
CN110857671B (zh) * 2018-08-22 2022-03-08 帝伯爱尔株式会社 气缸套、机体的制造方法以及气缸套的制造方法
CN110894813B (zh) * 2018-08-22 2023-05-02 帝伯爱尔株式会社 气缸套及其制造方法和使用气缸套的气缸体的制造方法
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KR101279846B1 (ko) 2013-06-28
JP2007524787A (ja) 2007-08-30
DE102004007774A1 (de) 2005-09-15
US20070209627A1 (en) 2007-09-13
BRPI0507731A (pt) 2007-07-10
KR20060129027A (ko) 2006-12-14
EP1721072A1 (fr) 2006-11-15
JP4653762B2 (ja) 2011-03-16
US7806098B2 (en) 2010-10-05
WO2005078265A1 (fr) 2005-08-25
CN2900814Y (zh) 2007-05-16

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