WO2006056708A2 - Method of producing an oil gallery in a cylinder crankcase of an internal combustion engine for a motor vehicle, mould core for implementing one such method, cylinder crankcase obtained by one such method and engine comprising one such cylinder crankcase - Google Patents

Method of producing an oil gallery in a cylinder crankcase of an internal combustion engine for a motor vehicle, mould core for implementing one such method, cylinder crankcase obtained by one such method and engine comprising one such cylinder crankcase Download PDF

Info

Publication number
WO2006056708A2
WO2006056708A2 PCT/FR2005/050652 FR2005050652W WO2006056708A2 WO 2006056708 A2 WO2006056708 A2 WO 2006056708A2 FR 2005050652 W FR2005050652 W FR 2005050652W WO 2006056708 A2 WO2006056708 A2 WO 2006056708A2
Authority
WO
WIPO (PCT)
Prior art keywords
oil
molding core
ramp
duct
molding
Prior art date
Application number
PCT/FR2005/050652
Other languages
French (fr)
Other versions
WO2006056708A3 (en
Inventor
Xavier Frere
Michel Deloraine
Original Assignee
Renault S.A.S.
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 Renault S.A.S. filed Critical Renault S.A.S.
Publication of WO2006056708A2 publication Critical patent/WO2006056708A2/en
Publication of WO2006056708A3 publication Critical patent/WO2006056708A3/en

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/10—Cores; Manufacture or installation of cores
    • B22C9/103—Multipart cores

Definitions

  • the present invention generally relates to internal combustion engines for motor vehicles.
  • It relates more particularly to a method of producing an oil ramp in the volume of an oil vapor rebreathing duct of a crankcase of an internal combustion engine for a motor vehicle.
  • the machining operation has a significant cost and time that increase the cost of manufacturing the engine.
  • the present invention proposes a new method of producing an oil ramp in a cylinder block which makes it possible to simultaneously mold the oil vapor rebreathing duct, the oil ramp and the cylinder block by itself.
  • a molding core of the rebreathing duct and a molding core of the oil ramp are assembled by means of complementary assembly means cooperating with each other so as to form a one-piece assembly, this one-piece assembly is introduced into the mold of the cylinder block, and the cylinder housing, the suction pipe and the oil ramp are molded from one piece of metal material.
  • the assembly of the molding core of the rebreathing duct and the molding core of the oil ramp is made by sliding and gluing the molding core of the oil ramp into the core. molding of the suction duct.
  • a molding core of the rebreathing duct comprising slides and a molding core of the oil ramp comprising pads adapted to be slid into said slides.
  • the invention also relates to a molding core for implementing the production method according to the invention, which comprises a molding core of a rebreathing duct and a molding core of an oil ramp comprising means for complementary assemblies adapted to cooperate with each other.
  • said complementary assembly means are slide means.
  • the molding core of the suction duct may comprise a plurality of slides and the molding core of the oil ramp may comprise a plurality of pads adapted to be slid into said slides, these pads being connected by cylindrical collars to the main part of said core.
  • the molding cores of the rebreathing duct and the oil ramp being made of sand
  • the molding core of the oil ramp comprises a main part in the form of a cylindrical coil of diameter greater than or equal to about 16 mm to which are attached the cylindrical necks of diameter greater than or equal to about 10 mm.
  • the invention also relates to a cylinder block of an internal combustion engine for a motor vehicle comprising an oil vapor rebreathing duct and an oil ramp, in which the oil vapor rebreathing duct and the oil ramp. come from forming by molding a metallic material with the cylinder block itself to form a single piece.
  • the invention relates to an internal combustion engine for a motor vehicle comprising a cylinder block comprising an oil vapor rebreathing duct and an oil ramp, in which the oil vapor rebreathing duct and the oil ramp forming by molding a metallic material with the cylinder block itself to form a single piece.
  • FIG. 1A is a schematic view from above of a cylinder block according to the invention
  • Figure 1 B is a schematic sectional view along the plane A-A of Figure 1A
  • FIG. 2 is a schematic perspective exploded view of a molding core according to the invention.
  • FIG. 3 is a diagrammatic perspective view of the molding core of FIG. 3.
  • FIGS. 1A and 1B show a cylinder block V6 of an internal combustion engine for a motor vehicle comprising six ducts.
  • cylindrical 14 arranged in V, and in the middle of the V a rebreathing duct 11 of the oil vapor and an oil ramp 12.
  • the rebreathing duct 11 makes it possible to evacuate the engine oil vapors to a decanter where this steam is condensed in order to be reinjected into the engine.
  • the oil ramp 12 serves to supply pressurized oil to various engine components.
  • the rebreathing duct 11 of the oil vapors and the oil ramp 12 are isolated from each other by a cylindrical wall 13.
  • the rebreathing duct 11 of the oil vapors and the oil ramp 12 come here from forming by molding a metal material (cast iron) with the cylinder block 10 itself to form a single piece.
  • a particular molding core which comprises a molding core 30 of the rebreathing duct 11 and a molding core 20 of the oil ramp 12 comprising complementary assembly means 32,21 adapted to cooperate with each other.
  • the molding core 30 of the oil vapor rebreathing duct and the molding core 20 of the oil boom are sand cores.
  • the molding core 30 of the rebreathing duct is an elongated core which extends along an axis X and which has a V-shaped section. It comprises an axial inner recess 31 which opens at each end of said core and on a lateral side of this one.
  • the molding core 20 of the oil ramp comprises a main part, in the form of a cylindrical bead, which is intended to be positioned in the axial inner recess 31 of the molding core 30 of the suction duct.
  • the complementary assembly means 32,21 of the two molding cores 30,20 are slider means.
  • the molding core 30 of the rebreathing duct has recessed a plurality of slides 32 which open into its axial inner recess 31, and the molding core 20 of the oil ramp comprises in correspondence a plurality of pads 21 adapted to be slid into said slides 32, these pads 21 being connected by cylindrical necks 22 to the main part of said molding core 20 (see Figure 2).
  • each shoe 21 of the molding core 20 of the oil ramp comprises on its two longitudinal lateral sides groove means 21 A adapted to slide on complementary groove means 32A provided in each slideway. 32 of the molding core 30 of the suction duct.
  • the diameter of its main portion is greater than or equal to 16 mm and the diameter of the cylindrical necks is greater than or equal to 10 mm.
  • this core must withstand the pressure of the liquid metal arriving in the mold of the crankcase.
  • the oil ramp must have dimensions so that it can be easily cleaned after molding.
  • the molding core 30 of the rebreathing duct and the molding core 20 of the oil ramp are assembled by means of said complementary assembly means 32, 21 cooperating with each other so as to forming a one-piece assembly, then this one-piece assembly is introduced into the mold of the cylinder block, and the cylinder casing 10, the oil vapor rebreathing duct 11 and the casing 11 are molded from a single piece of metal material (cast iron). oil ramp 12.
  • the assembly of the molding core 30 of the rebreathing duct and the molding core 20 of the oil ramp is made by sliding and gluing the pads 21 of the molding core 20 of the oil ramp into the slides 32 of the molding core 30 of the suction duct.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

The invention relates to a method of producing an oil gallery in the volume of a pipe used for the recirculation of oil fumes from a cylinder crankcase of an internal combustion engine for a motor vehicle. The inventive method comprises the following steps consisting in: assembling a mould core of the recirculation pipe and a mould core of the oil gallery with the aid of complementary assembly means which co-operate with one another such as to form a one-piece assembly; introducing said one-piece assembly into the cylinder crankcase mould; and moulding the cylinder crankcase, the recirculation pipe and the oil gallery together into a single piece from a metallic material. The invention also relates to a mould core used to implement one such method, a cylinder crankcase obtained by one such method and an internal combustion engine for a motor vehicle comprising one such cylinder crankcase.

Description

PROCEDE DE REALISATION D'UNE RAMPE A HUILE DANS UN CARTER CYLINDRES D'UN MOTEUR A COMBUSTION INTERNE POUR VEHICULE AUTOMOBILE NOYAU DE MOULAGE POUR METHOD FOR PRODUCING AN OIL RAMP IN A CYLINDER CASTER OF AN INTERNAL COMBUSTION ENGINE FOR A MOTOR VEHICLE MOLDING CORE FOR
LA MISE EN ŒUVRE D'UN TEL PROCEDEIMPLEMENTATION OF SUCH A METHOD
DOMAINE TECHNIQUE AUQUEL SE RAPPORTE L'INVENTION La présente invention concerne de manière générale les moteurs à combustion interne pour véhicules automobiles.TECHNICAL FIELD TO WHICH THE INVENTION RELATES The present invention generally relates to internal combustion engines for motor vehicles.
Elle concerne plus particulièrement un procédé de réalisation d'une rampe à huile dans le volume d'un conduit de réaspiration des vapeurs d'huile d'un carter cylindres d'un moteur à combustion interne pour véhicule automobile.It relates more particularly to a method of producing an oil ramp in the volume of an oil vapor rebreathing duct of a crankcase of an internal combustion engine for a motor vehicle.
Elle concerne également un noyau de moulage pour la mise en œuvre d'un tel procédé, un carter cylindres obtenu par ce procédé et un moteur comprenant un tel carter cylindres.It also relates to a molding core for the implementation of such a method, a cylinder block obtained by this method and an engine comprising such a cylinder block.
ARRIERE-PLAN TECHNOLOGIQUE Actuellement, dans les carters cylindres des moteurs connus la rampe à huile est obtenue par usinage.BACKGROUND ART Currently, in the crankcases of known engines, the oil ramp is obtained by machining.
L'opération d'usinage présente un coût et un temps non négligeables qui alourdissent le coût de fabrication du moteur.The machining operation has a significant cost and time that increase the cost of manufacturing the engine.
En outre, l'usinage de la rampe à huile implique une masse de carter cylindres plus importante.In addition, the machining of the oil ramp involves a larger crankcase mass.
OBJET DE L'INVENTIONOBJECT OF THE INVENTION
Afin de remédier aux inconvénients précités de l'état de la technique, la présente invention propose un nouveau procédé de réalisation d'une rampe à huile dans un carter cylindres qui permet de réaliser par moulage simultanément le conduit de réaspiration des vapeurs d'huile, la rampe à huile et le carter cylindres par lui-même.In order to overcome the aforementioned drawbacks of the state of the art, the present invention proposes a new method of producing an oil ramp in a cylinder block which makes it possible to simultaneously mold the oil vapor rebreathing duct, the oil ramp and the cylinder block by itself.
Plus particulièrement, selon le procédé conforme à l'invention, on assemble un noyau de moulage du conduit de réaspiration et un noyau de moulage de la rampe à huile par l'intermédiaire de moyens d'assemblage complémentaires coopérant entre eux de manière à former un ensemble monobloc, on introduit cet ensemble monobloc dans le moule du carter cylindres, et on moule en matière métallique d'une seule pièce le carter cylindres, le conduit de réaspiration et la rampe à huile.More particularly, according to the process according to the invention, a molding core of the rebreathing duct and a molding core of the oil ramp are assembled by means of complementary assembly means cooperating with each other so as to form a one-piece assembly, this one-piece assembly is introduced into the mold of the cylinder block, and the cylinder housing, the suction pipe and the oil ramp are molded from one piece of metal material.
Selon une caractéristique préférentielle du procédé selon l'invention, l'assemblage du noyau de moulage du conduit de réaspiration et du noyau de moulage de la rampe à huile est réalisé par glissement et collage du noyau de moulage de la rampe à huile dans le noyau de moulage du conduit de réaspiration.According to a preferred feature of the method according to the invention, the assembly of the molding core of the rebreathing duct and the molding core of the oil ramp is made by sliding and gluing the molding core of the oil ramp into the core. molding of the suction duct.
À cet effet, on utilise avantageusement un noyau de moulage du conduit de réaspiration comprenant des glissières et un noyau de moulage de la rampe à huile comprenant des patins adaptés à être glissés dans lesdites glissières.For this purpose, it is advantageous to use a molding core of the rebreathing duct comprising slides and a molding core of the oil ramp comprising pads adapted to be slid into said slides.
L'invention concerne également un noyau de moulage pour la mise en œuvre du procédé de réalisation selon l'invention, qui comporte un noyau de moulage d'un conduit de réaspiration et un noyau de moulage d'une rampe à huile comprenant des moyens d'assemblage complémentaires adaptés à coopérer entre eux.The invention also relates to a molding core for implementing the production method according to the invention, which comprises a molding core of a rebreathing duct and a molding core of an oil ramp comprising means for complementary assemblies adapted to cooperate with each other.
Avantageusement dans le noyau de moulage selon l'invention, lesdits moyens d'assemblage complémentaires sont des moyens de glissières.Advantageously in the molding core according to the invention, said complementary assembly means are slide means.
Plus particulièrement, le noyau de moulage du conduit de réaspiration peut comporter une pluralité de glissières et le noyau de moulage de la rampe à huile peut comporter une pluralité de patins adaptés à être glissés dans lesdites glissières, ces patins étant raccordés par des cols cylindriques à la partie principale dudit noyau.More particularly, the molding core of the suction duct may comprise a plurality of slides and the molding core of the oil ramp may comprise a plurality of pads adapted to be slid into said slides, these pads being connected by cylindrical collars to the main part of said core.
Préférentiellement, dans le noyau de moulage selon l'invention, les noyaux de moulage du conduit de réaspiration et de la rampe à huile étant réalisés en sable, le noyau de moulage de la rampe à huile comprend une partie principale sous la forme d'un boudin cylindrique de diamètre supérieur ou égal à environ 16 mm à laquelle sont rattachés les cols cylindriques de diamètre supérieur ou égal à environ 10 mm.Preferably, in the molding core according to the invention, the molding cores of the rebreathing duct and the oil ramp being made of sand, the molding core of the oil ramp comprises a main part in the form of a cylindrical coil of diameter greater than or equal to about 16 mm to which are attached the cylindrical necks of diameter greater than or equal to about 10 mm.
L'invention concerne également un carter cylindres d'un moteur à combustion interne pour véhicule automobile comprenant un conduit de réaspiration des vapeurs d'huile et une rampe à huile, dans lequel le conduit de réaspiration des vapeurs d'huile et la rampe à huile viennent de formation par moulage d'une matière métallique avec le carter cylindres lui-même pour former une pièce monobloc. Enfin l'invention concerne un moteur à combustion interne pour véhicule automobile comprenant un carter cylindres comportant un conduit de réaspiration des vapeurs d'huile et une rampe à huile, dans lequel le conduit de réaspiration des vapeurs d'huile et la rampe à huile viennent de formation par moulage d'une matière métallique avec le carter cylindres lui-même pour former une pièce monobloc.The invention also relates to a cylinder block of an internal combustion engine for a motor vehicle comprising an oil vapor rebreathing duct and an oil ramp, in which the oil vapor rebreathing duct and the oil ramp. come from forming by molding a metallic material with the cylinder block itself to form a single piece. Finally, the invention relates to an internal combustion engine for a motor vehicle comprising a cylinder block comprising an oil vapor rebreathing duct and an oil ramp, in which the oil vapor rebreathing duct and the oil ramp forming by molding a metallic material with the cylinder block itself to form a single piece.
DESCRIPTION DÉTAILLÉE D'UN EXEMPLE DE RÉALISATION La description qui va suivre en regard des dessins annexés, donnés à titre d'exemples non limitatifs, fera bien comprendre en quoi consiste l'invention et comment elle peut être réalisée.DETAILED DESCRIPTION OF AN EXEMPLARY EMBODIMENT The following description with reference to the accompanying drawings, given by way of non-limiting examples, will make it clear what the invention consists of and how it can be implemented.
Sur les dessins annexés :In the accompanying drawings:
- la figure 1A est une vue schématique de dessus d'un carter cylindres selon l'inventionFIG. 1A is a schematic view from above of a cylinder block according to the invention
- la figure 1 B est une vue schématique en coupe selon le plan A-A de la figure 1A,- Figure 1 B is a schematic sectional view along the plane A-A of Figure 1A,
- la figure 2 une vue schématique en perspective éclatée d'un noyau de moulage selon l'invention ; et- Figure 2 is a schematic perspective exploded view of a molding core according to the invention; and
- la figure 3 est une vue schématique en perspective assemblée du noyau de moulage de la figure 3. Sur les figures 1 A et 1 B on a représenté un carter cylindres V6 10 d'un moteur à combustion interne pour véhicule automobile qui comporte six conduits cylindriques 14 disposés en V, et au milieu du V un conduit de réaspiration 11 des vapeurs d'huile ainsi qu'une rampe à huile 12.FIG. 3 is a diagrammatic perspective view of the molding core of FIG. 3. FIGS. 1A and 1B show a cylinder block V6 of an internal combustion engine for a motor vehicle comprising six ducts. cylindrical 14 arranged in V, and in the middle of the V a rebreathing duct 11 of the oil vapor and an oil ramp 12.
Le conduit de réaspiration 11 permet d'évacuer les vapeurs d'huile du moteur vers un décanteur où cette vapeur est condensée afin d'être réinjectée dans le moteur.The rebreathing duct 11 makes it possible to evacuate the engine oil vapors to a decanter where this steam is condensed in order to be reinjected into the engine.
La rampe à huile 12 sert à amener de l'huile sous pression vers différents éléments du moteur.The oil ramp 12 serves to supply pressurized oil to various engine components.
Ainsi, le conduit de réaspiration 11 des vapeurs d'huile et la rampe à huile 12 sont isolés l'un de l'autre par une paroi cylindrique 13.Thus, the rebreathing duct 11 of the oil vapors and the oil ramp 12 are isolated from each other by a cylindrical wall 13.
Avantageusement, selon l'invention, le conduit de réaspiration 11 des vapeurs d'huile et la rampe à huile 12 viennent ici de formation par moulage d'une matière métallique (de la fonte) avec le carter cylindres 10 lui-même pour former une pièce monobloc.Advantageously, according to the invention, the rebreathing duct 11 of the oil vapors and the oil ramp 12 come here from forming by molding a metal material (cast iron) with the cylinder block 10 itself to form a single piece.
Pour cela, comme le montrent les figures 2 et 3, on utilise un noyau de moulage particulier qui comporte un noyau de moulage 30 du conduit de réaspiration 11 et un noyau de moulage 20 de la rampe à huile 12 comprenant des moyens d'assemblage complémentaires 32,21 adaptés à coopérer entre eux.For this, as shown in Figures 2 and 3, a particular molding core is used which comprises a molding core 30 of the rebreathing duct 11 and a molding core 20 of the oil ramp 12 comprising complementary assembly means 32,21 adapted to cooperate with each other.
Le noyau de moulage 30 du conduit de réaspiration des vapeurs d'huile et le noyau de moulage 20 de la rampe à huile sont des noyaux de sable.The molding core 30 of the oil vapor rebreathing duct and the molding core 20 of the oil boom are sand cores.
Le noyau de moulage 30 du conduit de réaspiration est un noyau longiligne qui s'étend selon un axe X et qui présente une section en V. Il comporte un renfoncement intérieur 31 axial qui débouche à chaque extrémité dudit noyau ainsi que sur un côté latéral de celui-ci.The molding core 30 of the rebreathing duct is an elongated core which extends along an axis X and which has a V-shaped section. It comprises an axial inner recess 31 which opens at each end of said core and on a lateral side of this one.
Le noyau de moulage 20 de la rampe à huile comprend une partie principale, sous la forme d'un boudin cylindrique, qui est destinée à être positionnée dans le renfoncement intérieur 31 axial du noyau de moulage 30 du conduit de réaspiration.The molding core 20 of the oil ramp comprises a main part, in the form of a cylindrical bead, which is intended to be positioned in the axial inner recess 31 of the molding core 30 of the suction duct.
Ici, préférentiellement, les moyens d'assemblage complémentaires 32,21 des deux noyaux de moulage 30,20 sont des moyens de glissières.Here, preferably, the complementary assembly means 32,21 of the two molding cores 30,20 are slider means.
Plus particulièrement, le noyau de moulage 30 du conduit de réaspiration comporte en creux une pluralité de glissières 32 qui débouchent dans son renfoncement intérieur 31 axial, et le noyau de moulage 20 de la rampe à huile comporte en correspondance une pluralité de patins 21 adaptés à être glissés dans lesdites glissières 32, ces patins 21 étant raccordés par des cols cylindriques 22 à la partie principale dudit noyau de moulage 20 (voir figure 2). Comme le montre plus en détail la figure 2, chaque patin 21 du noyau de moulage 20 de la rampe à huile comporte sur ses deux côtés latéraux longitudinaux des moyens de rainure 21 A adaptés à glisser sur des moyens de rainure complémentaires 32A prévus dans chaque glissière 32 du noyau de moulage 30 du conduit de réaspiration. Pour une question de tenue mécanique au moulage dudit noyau de moulage 20 de la rampe à huile, préférentiellement le diamètre de sa partie principale est supérieur ou égal 16 mm et le diamètre des cols cylindriques est supérieur ou égal à 10 mm. En effet, ce noyau doit résister à la pression du métal liquide arrivant dans le moule du carter cylindres. En outre, la rampe à huile doit présenter des dimensions telles qu'elle peut être facilement nettoyée après moulage.More particularly, the molding core 30 of the rebreathing duct has recessed a plurality of slides 32 which open into its axial inner recess 31, and the molding core 20 of the oil ramp comprises in correspondence a plurality of pads 21 adapted to be slid into said slides 32, these pads 21 being connected by cylindrical necks 22 to the main part of said molding core 20 (see Figure 2). As shown in more detail in FIG. 2, each shoe 21 of the molding core 20 of the oil ramp comprises on its two longitudinal lateral sides groove means 21 A adapted to slide on complementary groove means 32A provided in each slideway. 32 of the molding core 30 of the suction duct. For a question of mechanical resistance to molding of said molding core 20 of the oil ramp, preferably the diameter of its main portion is greater than or equal to 16 mm and the diameter of the cylindrical necks is greater than or equal to 10 mm. Indeed, this core must withstand the pressure of the liquid metal arriving in the mold of the crankcase. In addition, the oil ramp must have dimensions so that it can be easily cleaned after molding.
Selon le procédé conforme à l'invention, on assemble le noyau de moulage 30 du conduit de réaspiration et le noyau de moulage 20 de la rampe à huile par l'intermédiaire desdits moyens d'assemblage complémentaires 32,21 coopérant entre eux de manière à former un ensemble monobloc, puis on introduit cet ensemble monobloc dans le moule du carter cylindres, et on moule en matière métallique (en fonte) d'une seule pièce le carter cylindres 10, le conduit de réaspiration de vapeurs d'huile 11 et la rampe à huile 12. L'assemblage du noyau de moulage 30 du conduit de réaspiration et du noyau de moulage 20 de la rampe à huile est réalisé par glissement et collage des patins 21 du noyau de moulage 20 de la rampe à huile dans les glissières 32 du noyau de moulage 30 du conduit de réaspiration.According to the process according to the invention, the molding core 30 of the rebreathing duct and the molding core 20 of the oil ramp are assembled by means of said complementary assembly means 32, 21 cooperating with each other so as to forming a one-piece assembly, then this one-piece assembly is introduced into the mold of the cylinder block, and the cylinder casing 10, the oil vapor rebreathing duct 11 and the casing 11 are molded from a single piece of metal material (cast iron). oil ramp 12. The assembly of the molding core 30 of the rebreathing duct and the molding core 20 of the oil ramp is made by sliding and gluing the pads 21 of the molding core 20 of the oil ramp into the slides 32 of the molding core 30 of the suction duct.
Ainsi, avantageusement, selon l'invention, on peut réaliser par moulage la rampe à huile en utilisant le noyau de moulage du conduit de réaspiration des vapeurs se trouvant au niveau de la rampe à huile pour maintenir le noyau de moulage de la rampe à huile dans le moule du carter cylindres.Thus, advantageously, according to the invention, it is possible to mold the oil ramp by using the molding core of the vapor suction pipe located at the level of the oil ramp to maintain the molding core of the oil ramp. in the crankcase mold.
La présente invention n'est nullement limitée au mode de réalisation décrit et représenté, mais l'homme du métier saura y apporter toute variante conforme à son esprit. The present invention is not limited to the embodiment described and shown, but the art can apply any variant within his mind.

Claims

REVENDICATIONS
1. Procédé de réalisation d'une rampe à huile (12) dans le volume d'un conduit de réaspiration (11) des vapeurs d'huile d'un carter cylindres (10) d'un moteur à combustion interne pour véhicule automobile, caractérisé en ce qu'on assemble un noyau de moulage (30) du conduit de réaspiration et un noyau de moulage (20) de la rampe à huile par l'intermédiaire de moyens d'assemblage complémentaires (32,21) coopérant entre eux de manière à former un ensemble monobloc, en ce qu'on introduit cet ensemble monobloc dans le moule du carter cylindres, et en ce qu'on moule en matière métallique d'une seule pièce le carter cylindres (10), le conduit de réaspiration (11) et la rampe à huile (12).1. A method of producing an oil ramp (12) in the volume of a rebreathing duct (11) of the oil vapor of a crankcase (10) of an internal combustion engine for a motor vehicle, characterized in that a molding core (30) of the re-suction duct and a molding core (20) of the oil ramp are assembled by means of complementary assembly means (32,21) cooperating with each other. in such a way as to form a one-piece assembly, in that this one-piece assembly is introduced into the mold of the cylinder block, and in that the cylinder block (10), the suction duct ( 11) and the oil ramp (12).
2. Procédé selon la revendication 1 , caractérisé en ce que l'assemblage du noyau de moulage (30) du conduit de réaspiration et du noyau de moulage (20) de la rampe à huile est réalisé par glissement et collage du noyau de moulage (20) de la rampe à huile dans le noyau de moulage (30) du conduit de réaspiration.2. Method according to claim 1, characterized in that the assembly of the molding core (30) of the rebreathing duct and the molding core (20) of the oil ramp is made by sliding and gluing the molding core ( 20) of the oil ramp in the molding core (30) of the suction duct.
3. Procédé selon la revendication 2, caractérisé en ce qu'on utilise un noyau de moulage (30) du conduit de réaspiration comprenant des glissières (32) et un noyau de moulage (20) de la rampe à huile comprenant des patins (21) adaptés à être glissés dans lesdites glissières (32). 3. Method according to claim 2, characterized in that a molding core (30) of the rebreathing duct comprising slides (32) and a molding core (20) of the oil ramp comprising pads (21) are used. ) adapted to be slid into said slides (32).
4. Noyau de moulage pour la mise en œuvre du procédé de réalisation selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'il comporte un noyau de moulage (30) d'un conduit de réaspiration et un noyau de moulage (20) d'une rampe à huile comprenant des moyens d'assemblage complémentaires (32,21) adaptés à coopérer entre eux. 4. Molding core for implementing the manufacturing method according to any one of claims 1 to 3, characterized in that it comprises a molding core (30) of a rebreathing duct and a molding core (20) an oil ramp comprising complementary assembly means (32,21) adapted to cooperate with each other.
5. Noyau de moulage selon la revendication 4, caractérisé en ce que lesdits moyens d'assemblage complémentaires sont des moyens de glissières.5. molding core according to claim 4, characterized in that said complementary assembly means are slide means.
6. Noyau de moulage selon la revendication 5, caractérisé en ce que le noyau de moulage (30) du conduit de réaspiration comporte une pluralité de glissières (32) et le noyau de moulage (20) de la rampe à huile comporte une pluralité de patins (21) adaptés à être glissés dans lesdites glissières (32), ces patins (21) étant raccordés par des cols cylindriques (22) à la partie principale dudit noyau (20). Mold core according to claim 5, characterized in that the molding core (30) of the suction duct comprises a plurality of slide rails (32) and the molding core (20) of the oil ramp comprises a plurality of shoes (21) adapted to be slid into said slides (32), these pads (21) being connected by cylindrical necks (22) to the main part of said core (20).
7. Noyau de moulage selon la revendication 6, caractérisé en ce que les noyaux de moulage du conduit de réaspiration et de la rampe à huile étant réalisés en sable, le noyau de moulage (20) de la rampe à huile comprend une partie principale sous la forme d'un boudin cylindrique de diamètre supérieur ou égal à environ 16 mm à laquelle sont rattachés les cols cylindriques (22) de diamètre supérieur ou égal à environ 10 mm.7. Molding core according to claim 6, characterized in that the molding cores of the rebreathing duct and the oil ramp being made of sand, the molding core (20) of the oil ramp comprises a main part under the shape of a cylindrical coil of diameter greater than or equal to about 16 mm to which are attached the cylindrical necks (22) of diameter greater than or equal to about 10 mm.
8. Carter cylindres (10) d'un moteur à combustion interne pour véhicule automobile comprenant un conduit de réaspiration (11) des vapeurs d'huile et une rampe à huile (12), caractérisé en ce que le conduit de réaspiration (11) des vapeurs d'huile et la rampe à huile (12) viennent de formation par moulage d'une matière métallique avec le carter cylindres (10) lui-même pour former une pièce monobloc.8. Cylinder casing (10) of an internal combustion engine for a motor vehicle comprising a suction duct (11) for oil vapor and an oil ramp (12), characterized in that the suction duct (11) oil vapors and the oil ramp (12) are formed by molding a metal material with the cylinder block (10) itself to form a single piece.
9. Moteur à combustion interne pour véhicule automobile comprenant un carter cylindres (10) comportant un conduit de réaspiration (11) des vapeurs d'huile et une rampe à huile (12), caractérisé en ce que le conduit de réaspiration (11) des vapeurs d'huile et la rampe à huile (12) viennent de formation par moulage d'une matière métallique avec le carter cylindres (10) lui-même pour former une pièce monobloc. 9. Internal combustion engine for a motor vehicle comprising a cylinder block (10) comprising an oil vapor suction pipe (11) and an oil ramp (12), characterized in that the suction pipe (11) of the oil vapors and the oil ramp (12) are formed by molding a metal material with the cylinder block (10) itself to form a one-piece piece.
PCT/FR2005/050652 2004-11-29 2005-08-04 Method of producing an oil gallery in a cylinder crankcase of an internal combustion engine for a motor vehicle, mould core for implementing one such method, cylinder crankcase obtained by one such method and engine comprising one such cylinder crankcase WO2006056708A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0412619A FR2878457B1 (en) 2004-11-29 2004-11-29 METHOD FOR PRODUCING AN OIL RAMP IN A CYLINDER CASTER OF AN INTERNAL COMBUSTION ENGINE FOR A MOTOR VEHICLE, MOLDING CORE FOR IMPLEMENTING SUCH A METHOD, CYLINDER HOUSING AND MOTOR THUS OBTAINED
FR0412619 2004-11-29

Publications (2)

Publication Number Publication Date
WO2006056708A2 true WO2006056708A2 (en) 2006-06-01
WO2006056708A3 WO2006056708A3 (en) 2006-08-10

Family

ID=34951537

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR2005/050652 WO2006056708A2 (en) 2004-11-29 2005-08-04 Method of producing an oil gallery in a cylinder crankcase of an internal combustion engine for a motor vehicle, mould core for implementing one such method, cylinder crankcase obtained by one such method and engine comprising one such cylinder crankcase

Country Status (2)

Country Link
FR (1) FR2878457B1 (en)
WO (1) WO2006056708A2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103143686A (en) * 2013-01-31 2013-06-12 洛阳新火种节能技术推广有限公司 Improved method of flange tee foundry technology
CN104070135A (en) * 2014-06-19 2014-10-01 宁夏共享装备有限公司 Casting method of sand core oil tube of internal combustion engine
DE102021111204A1 (en) 2021-04-30 2022-11-03 Bayerische Motoren Werke Aktiengesellschaft Method for manufacturing a crankcase, crankcase and mold for manufacturing a crankcase

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5365997A (en) * 1992-11-06 1994-11-22 Ford Motor Company Method for preparing an engine block casting having cylinder bore liners

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59106144D1 (en) * 1990-11-16 1995-09-07 Avl Verbrennungskraft Messtech Mold for the cylinder block of an internal combustion engine with two rows of cylinders arranged in a V-shape.
US5361823A (en) * 1992-07-27 1994-11-08 Cmi International, Inc. Casting core and method for cast-in-place attachment of a cylinder liner to a cylinder block

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5365997A (en) * 1992-11-06 1994-11-22 Ford Motor Company Method for preparing an engine block casting having cylinder bore liners

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103143686A (en) * 2013-01-31 2013-06-12 洛阳新火种节能技术推广有限公司 Improved method of flange tee foundry technology
CN104070135A (en) * 2014-06-19 2014-10-01 宁夏共享装备有限公司 Casting method of sand core oil tube of internal combustion engine
DE102021111204A1 (en) 2021-04-30 2022-11-03 Bayerische Motoren Werke Aktiengesellschaft Method for manufacturing a crankcase, crankcase and mold for manufacturing a crankcase

Also Published As

Publication number Publication date
FR2878457A1 (en) 2006-06-02
FR2878457B1 (en) 2008-05-30
WO2006056708A3 (en) 2006-08-10

Similar Documents

Publication Publication Date Title
EP1003981B1 (en) Hydraulic control clutch device equipped with a guide tube and method for producing such a tube
FR2785343A1 (en) CENTRAL CLUTCHER WITH HYDRAULIC CONTROL REALIZED AS A RECEIVING CYLINDER FOR A CLUTCH CONTROLLED TO SEPARATE A VEHICLE
WO2006056708A2 (en) Method of producing an oil gallery in a cylinder crankcase of an internal combustion engine for a motor vehicle, mould core for implementing one such method, cylinder crankcase obtained by one such method and engine comprising one such cylinder crankcase
EP0565410B1 (en) Integrated rail device for the exhaust gas recirculation of an internal combustion engine
FR2888288A3 (en) IC engine cylinder head with partitioned inlet duct has partition made from same material as head during casting process
WO2009050382A2 (en) Method for producing hollow forged parts and parts thus obtained
FR2936853A1 (en) Gearbox controlling assisting unit for motor vehicle e.g. car, has connecting head connected to exterior surface of drum by connection, and support arm with free end incorporating with detectable element
CA2754687C (en) Moulded casing with added piping
EP1439301B1 (en) Piston with an aluminium insert and method for making same
FR2662471A1 (en) Method for making spark plug wells in a cylinder head of an internal combustion engine, and set of elements intended to form at least one such spark plug well
WO2012143639A1 (en) Fixed cylinder head engine with added‑in bearings
WO2018073504A1 (en) Elastomer wedge between a hp pump cam and an engine flywheel
EP1818551B1 (en) Motor connection rod comprising lubricant supply means for the bearing end and construction means
FR3057915A1 (en) HIGH PRESSURE FUEL PUMP ARRANGEMENT ACTUATED BY CRANKSHAFT FACE SIDE FITTING
FR2853023A1 (en) Servo-jack for vehicles hydraulic servomotor, has passage with opening disposed on servo-jack at tangential distance with respect to another opening that is located on upper side of cylinder chamber
FR2854089A1 (en) PROCESS FOR MANUFACTURING A PISTON, TOOLS FOR IMPLEMENTING THIS PROCESS AND PISTON THUS OBTAINED
FR2817190A1 (en) MANUFACTURING OF A SECONDARY MASTER CYLINDER PISTON
FR2901861A1 (en) Low pressure chamber and decompression line connection part for motor vehicle, has elements with contact surfaces, and tapered rings permitting to choose angular position of pipette around elements assembling axis inclined at preset angle
WO2012032246A1 (en) Cylinder housing for an internal combustion engine, method for manufacturing such a housing, and housing mould for implementing said method
FR2878582A1 (en) Internal combustion engine e.g. diesel direct injection engine, for motor vehicle, has joint with sides in contact with injector side and cylinder head side with relief projecting in joint direction and penetrating in groove to from baffle
FR2878807A1 (en) PROCESS FOR MANUFACTURING A MECHANICAL ROD, AND ROD OBTAINED BY THIS METHOD
FR2823141A1 (en) I.c. engine cylinder head casting procedure uses reinforced inserts for valve seats and connecting bridges
FR3063773A1 (en) INTEGRATION OF THE HP PUMP DRIVE CAM ON THE INERTIAL WHEEL
FR2979268A1 (en) Manufacturing cylindrical head of four-stroke engine intended to guide cam shaft rotation in car, comprises providing first mold in shape of cylindrical head, and casting metal in second mold to form head by decomposition of first mold
FR2805190A1 (en) Pressure mould opener for vehicle clutch housings has actuator in fixed section of mould to guide moving portion of core

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU LV MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 05797542

Country of ref document: EP

Kind code of ref document: A2