EP2574747B1 - Dispositif de raccordement destiné à la liaison de deux éléments d'un moteur à combustion - Google Patents

Dispositif de raccordement destiné à la liaison de deux éléments d'un moteur à combustion Download PDF

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Publication number
EP2574747B1
EP2574747B1 EP12185772.6A EP12185772A EP2574747B1 EP 2574747 B1 EP2574747 B1 EP 2574747B1 EP 12185772 A EP12185772 A EP 12185772A EP 2574747 B1 EP2574747 B1 EP 2574747B1
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EP
European Patent Office
Prior art keywords
connecting flange
adapter frame
oil pan
holes
flange
Prior art date
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Application number
EP12185772.6A
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German (de)
English (en)
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EP2574747A1 (fr
Inventor
Andreas Weber
Haiko Zeile
Ralf Lachmann
Alexander Korn
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Mann and Hummel GmbH
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Mann and Hummel GmbH
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Publication date
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Publication of EP2574747A1 publication Critical patent/EP2574747A1/fr
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Publication of EP2574747B1 publication Critical patent/EP2574747B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/0004—Oilsumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/0004—Oilsumps
    • F01M2011/0054—Fastening to the cylinder block
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/0004—Oilsumps
    • F01M2011/0062—Gaskets

Definitions

  • the invention relates to a connecting device for connecting two housing parts of an internal combustion engine, having a first connecting flange, which is arranged on a first of the two housing parts, and a second connecting flange, which is arranged on a second of the two housing parts, and with a fastening device, with the the two connecting flanges are detachably connected to one another in a detachable manner, wherein one of the housing parts is a crankcase lower part and the other is an oil sump.
  • an oil pan for an internal combustion engine is made of a plastic material.
  • the oil pan has a flange formed on its upper edge, on which a plurality of bores is arranged, are screwed by the screws in the engine block to fix the oil pan to this.
  • the holes for receiving the screws can be formed by metallic press-fit bushes in the flange.
  • the FR 2 882 782 A1 shows a housing for lubricant, usable on a bearing surface of an engine block, wherein a housing forms a circumferential bearing surface, at least a part of which is offset relative to the bearing surface of the engine block to the outside and a lid is inserted between the container and the engine block, which Ensured sealing between the bearing surface of the engine block and the peripheral bearing surface of the container.
  • the invention has for its object to design a connecting device of the type mentioned, in which the tightness of the connection between the first connecting flange and the second connecting flange is improved.
  • a connecting device of the type mentioned, in which the tightness of the connection between the first connecting flange and the second connecting flange is improved.
  • first connecting flange has a first sealing portion and the second connecting flange has a second sealing portion, which do not overlap in sealing gaps, and between the first connecting flange and the second connecting flange, an adapter frame is arranged, the first sealing portion and the second sealing portion overlaps each other completely and in the connecting state of the two housing parts indirectly or directly with the first sealing portion and with the second sealing portion sealingly cooperates, wherein one of the housing parts (10,12) a crankcase lower part (10) and the other an oil pan (12 ).
  • the first connecting flange and the second connecting flange differ in their extent such that they do not completely overlap. Where the sealing portions of the connecting flanges do not completely overlap, this leads to sealing gaps in the seal between the two connecting flanges.
  • an adapter frame is provided which completely covers the sealing portions of the two connecting flanges. In this way, both the first sealing portion, and the second sealing portion are each sealed from the adapter frame.
  • the adapter frame thus enables a combination of housing parts, the connecting flanges have different dimensions. In this way, housing parts from a modular system with different connecting flanges can be tightly interconnected. Furthermore, manufacturing tolerances in the region of the connecting flanges can be easily compensated with the adapter frame.
  • the adapter frame may advantageously have such a high dimensional stability that it can rest stably and tightly against the sealing portion of one of the connecting flanges, even if it is free on the opposite side of the sealing portion, that is no mechanical support by the other connecting flange experiences.
  • the adapter frame can thus form an abutment for one-sided sealing sections in order to close the sealing gaps.
  • one of the housing parts may be a crankcase and the other housing part may be an oil sump.
  • the connecting flange on the side of the crankcase may be formed as a lead frame.
  • the attachment means in the first connection flange may have a plurality of holes for screws and holes corresponding in the second connection flange, which are aligned with the holes in the first connection flange, and the two connection flanges may be screwed together with the screws.
  • a screw connection can be easily realized.
  • the two connecting flanges can be screwed together evenly. In this way it can be prevented that the connecting flanges warp during fixing, whereby leaks between connecting flanges can arise.
  • the bolting force which acts on the two connecting flanges, can be varied. A screw connection can be easily solved.
  • a spacer bushing can be arranged.
  • the spacer bushes can be easily prevented that the screws compress the material of the corresponding connecting flange.
  • the material of the connecting flange can be protected against the screws. In this way, the requirement for the hardness of the material of the corresponding connecting flange may be lower.
  • the connecting flange may be made of a softer material, in particular plastic.
  • one of the connecting flanges, in particular the connecting flange, in which any distance bushings are arranged, for realizing the corresponding sealing portion have at least one sealing groove with a seal and the sealing groove and / or the seal may extend beyond the sealing portion of the other connecting flange.
  • a seal in particular an elastic seal, can be stably accommodated.
  • the seal can be easily pre-assembled in the seal groove.
  • the seal is held in the seal groove.
  • the sealing groove can act in the manner of a spacer, such that the seal can be compressed in the fixation of the two connecting flanges by means of the fastening device only to a limited extent.
  • the adapter frame can be independent of the extent of the sealing portion of the other Connecting flange also be realized for the area of the seal groove an abutment on which the seal can tightly fit.
  • the sealing groove can advantageously rotate around the holes for the screws and the spacers from the inside of the housing parts inside, so that the seal can also seal the holes and the spacers to the interior of the housing parts.
  • a seal is arranged for mounting liquid, later solid silicone.
  • a seal made of liquid silicone, which cures after assembly, can be easily applied to the corresponding connecting flange and / or the adapter frame.
  • the liquid silicone can easily distribute along the corresponding sealing portion.
  • the use of a liquid silicone seal simplifies assembly. Component tolerances can be easily compensated with a liquid silicone seal.
  • the adapter frame and the connecting flange, between which the silicone gasket is arranged have a similar thermal expansion.
  • At least the connecting flange of one of the housing parts may be made of metal and at least the connecting flange of the other housing part may be made of plastic.
  • the one connecting flange, in particular the entire housing part can be easily formed and machined from metal. Metal may be stable, particularly with regard to high pressures and temperatures which may occur during operation of the internal combustion engine.
  • the other connecting flange, in particular the entire housing part may be made of plastic with a low weight. Plastic parts can be easily manufactured. Furthermore, plastic parts can be easily recycled.
  • the adapter frame can be made of a material having a similar coefficient of thermal expansion as the material of which at least the connecting flange of the crankcase is closest to a combustion chamber of the internal combustion engine, preferably the adapter frame and at least the connecting flange of the same material , in particular the same metal.
  • This has the advantage that movements of the adapter frame relative to the connecting flange with temperature changes, in particular heating of the housing part during operation of the internal combustion engine, can be avoided. In this way, the requirements for the mechanical properties of the seal between the adapter frame and the housing part, in particular their flexibility, may be lower.
  • a seal made of liquid silicone can be used there.
  • one of the housing parts in particular the housing part, which is furthest away from a combustion chamber of the internal combustion engine, preferably an oil pan, a particular releasable holding device, in particular locking elements, for holding the adapter frame with separate housing parts, in particular in front of the Assembly of the two housing parts.
  • the adapter frame With the holding device, the adapter frame can be preassembled on the corresponding housing part. With the holding device, the adapter frame can be preferably held in the correct position on the housing part.
  • the holding device can serve as a transport lock and / or as an assembly aid. By positioning the adapter frame with the holding device on the housing part, the mounting on the other housing part can be simplified.
  • a releasable holding device also has the advantage that the adapter frame can be easily replaced.
  • a locking element can also be easily opened and closed.
  • a so-called crankcase lower part can form a first connecting flange.
  • the first connection flange may be bounded by substantially straight-line connections.
  • the first connecting flange may have a substantially rectangular shape.
  • the first connecting flange may have bores.
  • an adapter frame is arranged at the first connection flange.
  • the adapter frame is sealed to the first connecting flange by a so-called liquid silicone seal, in which a silicone is applied liquid, which can solidify, for example by crosslinking.
  • the liquid silicone gasket may form a seal which lies as a closed curve between the adapter frame and the first connecting flange.
  • the adapter frame in particular in the region of the bores, has a greater width than the first connecting flange.
  • a second connecting flange of an oil pan is arranged on the adapter frame. Due to the greater width of the adapter frame, in particular in the region of the bores, a profile seal, for example a seal with a rectangular profile, which can be located in a groove of the oil pan, can be guided around the bores. As a result, the profile seal can be pressed against areas of the adapter frame, which are not covered by the first connecting flange.
  • the bores in the first connecting flange may be used to fasten the oil pan by means of screws, for example, the screws being guided through openings in the oil pan and the groove being guided with the profile seal around the openings of the oil pan.
  • the oil pan can be made essentially of plastic.
  • the seals through the seal between the adapter frame and the crankcase lower part and the seal between the oil pan and adapter frame may preferably be guided around the holes on the inside of the oil pan so that the holes are outside the sealed volume of the crankcase bottom and sump.
  • crankcase 10 of an otherwise not shown with internal combustion engine in isometric view.
  • the crankcase 10 is made of a metal.
  • an oil pan 12 made of plastic is attached by means of a total of 11 designated connecting device.
  • the crankcase 10 On its underside facing the oil pan 12, the crankcase 10 has a circumferentially closed housing connecting flange 14 of the connecting device 11 in the manner of a leadframe.
  • the housing connecting flange 14 has a plurality of threaded bores 16, which in the Figures 2 and 4 to 7 are shown. Axes of the threaded holes 16 are parallel to each other.
  • the underside of the housing connecting flange 14 facing the oil pan 12 has a circumferentially closed housing sealing section 18. The threaded bores 16 are located within the housing sealing portion 18th
  • a tank connection flange 20 of the connecting device 11 is formed at the upper edge of the oil pan 12 facing the crankcase 10.
  • a tank connection flange 20 of the connecting device 11 is formed in the tub connecting flange 20, a plurality of through holes 22 are arranged, which are accessible from outside the oil pan 12 from.
  • the through-holes 22 are each aligned with one of the threaded bores 16 in the housing connecting flange 14.
  • the through-holes 22 extend coaxially with the threaded bores 16.
  • a spacer sleeve 24 is coaxially arranged in each through hole 22.
  • the spacers 24 are preferably made of metal.
  • the tub connecting flange 20 is widened on the inside facing the interior of the oil pan 12 and the outside facing away from the interior of the oil pan 12.
  • a circumferential sealing groove 26 is arranged on the housing connecting flange 14 side facing in the tub connecting flange 20, a circumferential sealing groove 26 is arranged.
  • the seal groove 26 forms a sealing portion of the tub connecting flange 20 of the oil pan 12.
  • the seal groove 26 is open to the Gezzausverbinditatisflansch 14.
  • the seal groove 26 bypasses the through holes 22 on the inside of the oil pan 12 facing side.
  • the through holes 22 are each open on a peripheral side to the seal groove 26.
  • the profile ring seal 28 may preferably be an elastomeric seal.
  • the course of the profile ring seal 28 is adapted to the course of the sealing groove 26.
  • the profile ring seal 28 seals in each case in the region of the through holes 22 against the peripheral sides of the spacers 24 there.
  • the sealing groove 26 and the profile ring seal 28 project beyond the housing connecting flange 14 of the crankcase 10 and the housing sealing section 18. In the area of the through holes 22, the sealing groove 26 and the profile ring seal 28 do not overlap with the housing sealing section 18, so that sealing gaps 29 are realized there ,
  • an adapter frame 30 of the connecting device 11 is arranged between the Gezzausverbinditatisflansch 14 and the tub connecting flange 20.
  • the adapter frame 30 is flat on the side facing the tub connecting flange 20.
  • the adapter frame 30 is made of a metal having a coefficient of thermal expansion similar to that of the housing connecting flange 14. Preferably, it is made of the same metal. In this way, the Gezzausungsbinding flange 14 and the adapter frame 30 at a heating or cooling of the crankcase 10 has a similar extent.
  • the adapter frame 30 has a plurality of through holes 32 which are aligned with the through holes 22 of the tub connecting flange 20 and the threaded bores 16 of the housing connecting flange 14 when the oil pan 12 is mounted.
  • the adapter frame 30 is widened on its inside facing the interior of the oil pan 12 inside and on the inside of the oil pan 12 facing away from the outer side of the tub connecting flange 20.
  • the side facing the Wannentheticsflansch 20 of the adapter frame 30 covers the Wanneneducationsflansch 20, so also the seal groove 26 with the profile ring seal 28 and the through holes 22 with the spacer sleeves 24 completely.
  • the adapter frame 30 is circumferentially close to the sealing ring seal 28, so indirectly to the realized by the sealing groove 26 sealing portion of the tub connecting flange 20 at.
  • the slope 34 is located outside of the through holes 32 on the side facing the interior of the oil pan 12 side.
  • the thinner region of the adapter frame 30 is located on the side facing the interior of the oil pan 12.
  • the thicker region is located on the side facing away from the interior of the oil pan 12 side. In the thicker region and the through holes 32 are arranged.
  • the edge of the slope 34 facing the thicker region of the adapter frame 30 is overlapped by the surface of the housing connecting flange 14 facing the tub connecting flange 20.
  • a seal 36 is disposed of liquid silicone, which is cured after assembly.
  • each latching element 40 comprises a U-shaped frame part 42, which projects beyond the tub connecting flange 20 with its open side facing the crankcase 10. Between the legs of the frame part 42 a parallel to the legs latch hook 44 is arranged, which also projects beyond the tub connecting flange 20. At its free end, the latching hook 44 is provided with a detent 46, which is located on the interior of the oil pan 12 facing side. The latching nose 46 tapers towards the free end of the latching hook 44 in a wedge-like manner.
  • a distance between the housing connecting flange 14 facing side of Wanneneducationsflansches 20 and a stop 48 of the locking lug 46 is greater than the thickness of the thicker portion of the adapter frame 30.
  • the latching hooks 44 can be bent from the interior of the oil pan 12 away to the outside elastically. When mounted adapter frame 30, the locking hooks 44 surround the adapter frame 30 from the outside and hold it so on the tub connecting flange 20 in the mounting position. By means of the latching elements 40, the adapter frame 30 can be preassembled on the oil pan 12.
  • the crankcase 10 made of metal and the oil pan 12 are made of plastic separately from each other.
  • the profile ring seal 28 is inserted into the sealing groove 26 of the tub connecting flange 20.
  • the adapter frame 30 is placed with the slope 34 away from the side facing the tub connecting flange 20.
  • the latching hooks 44 initially elastically spring outwards. Once the adapter frame 30, the stops 48 of the locking lugs 46 has passed, the latching hooks 44 spring back. The adapter frame 30 is held in place with the latching hooks 44.
  • the liquid silicone is brought to realize the seal 36 circumferentially on the thicker portion of the adapter frame 30.
  • the liquid silicone can also be applied to the housing sealing portion 18 of the Gezzausverbinditatisflansches 14.
  • the oil pan 12 with the tub connecting flange 20 is positioned in advance on the housing connecting flange 14 so that the through holes 22, the through holes 32 of the adapter frame 30 and the threaded holes 16 are aligned.
  • the screws 38 are inserted from the bottom of the oil pan 12 in the spacers 24, pushed through the through holes 32 and screwed into the threaded holes 16.
  • the spacers 24 prevent it that the plastic material of the tub connecting flange 20 is compressed or damaged.
  • the adapter frame 30 When tightening the screws 38, the still liquid liquid silicone between the adapter frame 30 and the housing sealing portion 18 is pressed and distributed. In this way, a tight connection between the adapter frame 30 and the housing sealing portion 18 by means of the slope 34 and the inner portion of the adapter frame 30, the distribution of the liquid silicone for the realization of the seal 36 between the housing sealing portion 18 and the adapter frame 30 can be improved.
  • the adapter frame 30 is now located with one side close to the profile ring seal 28 of the tub connecting flange 20. On the other side, the adapter frame 30 is sealed against the housing sealing portion 18 by means of the seal 36.
  • the adapter frame 30 forms on the side of the Georesuseitatisflansches 14 in the areas of the sealing gaps 29 an abutment for the profile ring seal 38th
  • the two different types of seals namely the cured liquid silicone gasket 36 and the elastic profile ring gasket 28, allow the crankcase 10, at least the housing connection flange 14, and the sump 12, at least the tub connection flange 20, to be made of different materials.
  • the different materials can also be different Have thermal expansion. Any displacements of the housing connection flange 14 relative to the tub connection flange 20 can be compensated by the seal 36 and the profile ring seal 28.
  • the invention is limited to a crankcase 10 to which an oil pan 12 is attached.
  • the sealing groove 26 with the profile ring seal 28 may be arranged in the housing connecting flange 14 instead of in the tub connecting flange 20.
  • the seal 36 of post-cure, cured silicone may be disposed between the adapter frame 30 and the tub connection flange 20, instead of between the adapter frame 30 and the housing connection flange 14.
  • the housing connection flange 14 may alternatively or additionally also project beyond the tub connection flange 20.
  • the adapter frame 30 forms an abutment for the protruding portions of the Gesimousverbinditatisflansches 14th
  • the housing connection flange 14 and the tub connection flange 20 can also be connected to one another by means of a different fastening device, for example by means of a latching connection or a clamp connection.
  • the material of the tub connecting flange 20 may be reinforced in the region of the through holes 22.
  • the oil pan 12, preferably the tub connecting flange 20, and the crankcase 10, preferably the housing connecting flange 14, may also be of a material similar, for example, to their respective thermal expansion.
  • the housing connecting flange 14 may be made of metal.
  • the tub connecting flange 20 may be made of plastic.
  • latching elements 40 instead of the latching elements 40, other types of holding devices for holding the adapter frame 30 may be provided.
  • the latching elements 40 may be disposed on the housing connection flange 14 instead of the tub connection flange 20 in order to hold the adapter frame 30 against the housing connection flange 14. On the locking elements 40 can also be omitted.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Claims (10)

  1. Dispositif de raccordement (11) pour relier deux parties de carter (10, 12) d'un moteur à combustion interne, avec une première bride de raccordement (14) disposée sur une première des deux parties de carter (10) et une seconde bride de raccordement (20) disposée sur une seconde des deux parties de carter (12), et avec un dispositif de fixation (22, 24, 32, 38) au moyen duquel les deux brides de raccordement (14, 20) sont reliées l'une à l'autre de manière amovible et étanche, l'une des parties du carter (10, 12) étant une partie inférieure du carter de vilebrequin (10) et l'autre un carter d'huile (12), caractérisé en ce que
    - la première bride de raccordement (14) présente une première section d'étanchéité (18) et la seconde bride de raccordement (20) présente une seconde section d'étanchéité (26) qui ne se chevauchent pas dans des espaces d'étanchéité (29),
    - et entre la première bride de raccordement (14) et la seconde bride de raccordement (20) est disposé un bâti adapteur (30), qui recouvre dans chaque cas complètement la première section d'étanchéité (18) et la seconde section d'étanchéité (26) et qui, dans l'état de connexion des deux parties de carter (10, 12), interagit de manière étanche directement ou indirectement dans chaque cas avec la première section d'étanchéité (18) et la seconde section d'étanchéité (26),
    - un joint (36) en silicone liquide durcissable étant disposé entre le bâti adapteur (30) et la section d'étanchéité (18) de la première bride de raccordement (14), qui est présente sur la partie inférieure du carter de vilebrequin (10), et
    - entre le bâti adapteur (30) et la section d'étanchéité (26) de la seconde bride de raccordement (20), qui est présente sur le carter d'huile (12), un joint annulaire profilé (28) étant présent, qui est disposé dans une rainure d'étanchéité (26) de la seconde bride de raccordement (20).
  2. Dispositif de raccordement selon la revendication 1, caractérisé en ce que le dispositif de fixation présente, dans la bride de raccordement (14), une pluralité de trous (16) pour vis (38) et, dans l'autre bride de raccordement (20), des trous correspondants (22) alignés avec les trous (16) dans la bride de raccordement (14), et les deux brides de raccordement (14, 20) sont vissées l'une à l'autre avec les vis (38).
  3. Dispositif de raccordement selon la revendication 2, caractérisé en ce que, dans chaque cas, une douille d'écartement (24) est disposée au moins dans une partie des trous (22) qui font face aux têtes des vis (38).
  4. Dispositif de raccordement selon l'une des revendications précédentes, caractérisé en ce que l'une des brides de raccordement, notamment la bride de raccordement (20), dans laquelle sont disposées des douilles d'écartement (24) éventuelles, présente au moins une rainure d'étanchéité (26) avec un joint (28) pour réaliser la section d'étanchéité correspondante, et la rainure d'étanchéité (26) et/ou le joint (28) dépasse de la section d'étanchéité (18) de l'autre bride de raccordement (14).
  5. Dispositif de raccordement selon l'une des revendications précédentes, caractérisé en ce qu'au moins la bride de raccordement (14) de l'une des parties de carter est en métal et au moins la bride de raccordement (20) de l'autre partie du carter, notamment le carter d'huile (12), est en plastique.
  6. Dispositif de raccordement selon l'une des revendications précédentes, caractérisé en ce que le bâti adapteur (30) est constitué d'un matériau ayant un coefficient de dilatation thermique similaire au matériau dont est constituée au moins la bride de raccordement (14) de la partie de carter, notamment le carter de vilebrequin (10), qui est le plus proche en matière de conductivité thermique d'une chambre de combustion d'un moteur à combustion interne, de préférence le bâti adapteur (30) et au moins la bride de raccordement (14) sont constitués du même matériau, notamment du même métal.
  7. Dispositif de raccordement selon l'une des revendications précédentes, caractérisé en ce que le carter d'huile (12) présente, notamment amovible, un dispositif de maintien, notamment des éléments d'encliquetage (40), pour maintenir le bâti adapteur (30) lorsque les pièces du carter (10, 12) sont séparées, notamment avant le montage des pièces du carter (10, 12).
  8. Partie inférieure du carter de vilebrequin (10) et carter d'huile (12) comportant un dispositif de raccordement selon l'une des revendications 1 à 7, dans lequel
    i. la partie inférieure du carter de vilebrequin (10) présente une première bride de raccordement (14) avec des alésages pour la fixation d'un carter d'huile,
    ii. à la partie inférieure du carter de vilebrequin (10) un bâti adapteur (30) est monté de manière étanche sur la première bride de raccordement (14), dans lequel
    iii. le bâti adapteur (30) présente, au moins dans la zone des alésages, une largeur supérieure à celle de la bride de raccordement,
    iv. un carter d'huile (12) présente une seconde bride de raccordement (20) ainsi que des trous pour attacher le carter d'huile (12) à une partie inférieure du carter de vilebrequin (10) au moyen de vis,
    v. un joint, notamment un joint profilé, est fixé sur le carter d'huile (12), dans lequel
    vi. le carter d'huile (12) est attaché de manière étanche au bâti adapteur de telle sorte que, au moins dans la zone des alésages de la partie inférieure du carter de vilebrequin (10) et des trous de fixation du carter d'huile (12), le joint du carter d'huile (12) est pressé contre le bâti adapteur (30), au moins dans certaines sections, dans des zones dans lesquelles le bâti adapteur (30) n'est pas recouvert par la première bride de raccordement (14), dans lequel
    vii. entre le bâti adapteur (30) et l'une des sections d'étanchéité (18), notamment de la bride de raccordement (14), qui présente une dilatation thermique similaire à celle du bâti adapteur (30), un joint (36) en silicone liquide pour le montage et solide ultérieurement est disposé.
  9. Partie inférieure du carter de vilebrequin (10) et carter d'huile (12) selon la revendication 8, dans lequel le joint du carter d'huile (12) dans la zone située entre les alésages de la partie inférieure du carter de vilebrequin (10) et les trous pour la fixation du carter d'huile (12) est pressé contre le bâti adapteur (30), au moins dans certaines sections, dans les zones dans lesquelles le bâti adapteur (30) est recouvert par la première bride de raccordement (14).
  10. Partie inférieure du carter (10) et carter d'huile (12) selon l'une des revendications 8 ou 9 avec un dispositif de raccordement selon l'une des revendications 1 à 7.
EP12185772.6A 2011-09-27 2012-09-25 Dispositif de raccordement destiné à la liaison de deux éléments d'un moteur à combustion Active EP2574747B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011114352A DE102011114352A1 (de) 2011-09-27 2011-09-27 Verbindungsvorrichtung zur Verbindung von zwei Gehäuseteilen einer Brennkraftmaschine

Publications (2)

Publication Number Publication Date
EP2574747A1 EP2574747A1 (fr) 2013-04-03
EP2574747B1 true EP2574747B1 (fr) 2019-05-22

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GB2542594B (en) * 2015-09-24 2019-10-16 Ford Global Tech Llc Machinery Casing Portion
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DE102019127874A1 (de) * 2019-10-16 2021-04-22 Bayerische Motoren Werke Aktiengesellschaft Ölwanne für Kraftfahrzeuge mit zusätzlichen Verbindungspunkten

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EP2574747A1 (fr) 2013-04-03
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