EP2375048B1 - Air intake distributor device having plates and method of asssemblying on an engine - Google Patents

Air intake distributor device having plates and method of asssemblying on an engine Download PDF

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Publication number
EP2375048B1
EP2375048B1 EP20110305349 EP11305349A EP2375048B1 EP 2375048 B1 EP2375048 B1 EP 2375048B1 EP 20110305349 EP20110305349 EP 20110305349 EP 11305349 A EP11305349 A EP 11305349A EP 2375048 B1 EP2375048 B1 EP 2375048B1
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EP
European Patent Office
Prior art keywords
distributor
plates
distribution device
pipes
plate
Prior art date
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Application number
EP20110305349
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German (de)
French (fr)
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EP2375048A1 (en
Inventor
Denis Menin
David Darriet
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Sogefi Air and Cooling SAS
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Systemes Moteurs SAS
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Publication of EP2375048A1 publication Critical patent/EP2375048A1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/104—Intake manifolds
    • F02M35/116—Intake manifolds for engines with cylinders in V-arrangement or arranged oppositely relative to the main shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
    • F02M35/10078—Connections of intake systems to the engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
    • F02M35/10301—Flexible, resilient, pivotally or movable parts; Membranes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/1034—Manufacturing and assembling intake systems
    • F02M35/10354—Joining multiple sections together

Definitions

  • the present invention relates to the field of equipment of motor vehicles with internal combustion engines, in particular the accessory equipment of such engines, and has as its object an intake distributor device and its mounting method on an engine.
  • splitter boxes are rigidly and sealingly attached to the engine cylinder head (s) by means of fixing screws and with the interposition of connection plates.
  • These plates incorporate sealing means and are generally in the form of perforated plates, ensuring the fluid connection between the outlets of the tubes and the inputs of the cylinder head (s).
  • Dispatchers comprising connection plates and corresponding to the preamble of claim 1 are, for example, known documents US 2002/083924 and US 5,544,629 .
  • a rigid assembly of the plate or plates with the distributor eliminates any possibility of play at the time of tightening and may result in a misalignment at the cylinder head, especially in the presence of several separate plates.
  • the size of the latter in particular the lateral size of the distributor, is increased, preventing, if necessary, mounting through a narrow access passage , in some construction configurations, to the cylinder heads.
  • the present invention is intended in particular to overcome some, and preferably all, the limitations and / or disadvantages described above.
  • the subject of the present invention is a distributor or intake manifold device, in particular for a V-cylinder engine, comprising two rows of at least two pipes, the outlet orifices of the pipes of each of the two rows being located in a respective plane and these two planes forming an obtuse angle between them, said distributor device also comprising, for each row of tubes, an intermediate connecting plate, preferably with a body in the form of a perforated plate, these plates being intended to be sandwiched with clamping between the ends of the pipes and the arranged mounting planes in V of the cylinder heads to make sealed fluidic connections between the pipes and the cylinders of the engine, distributor device characterized in that the bodies of the two intermediate connection plates are connected to the body of the distributor by means of a loose retention and positioning connection, allowing limited relative displacement in translation and pivoting of said plates between them and / or relative to the body of the distributor and does not interfere with the final positioning of the latter during assembly with tightening of the body of the distributor on the cylinder heads with sandwiching
  • FIGS. 1 to 5 appended drawings show a distributor 1 or intake manifold device 1, in particular for a V-cylinder engine.
  • This distributor comprises two rows 2 'of at least two pipes 2, the outlet orifices 3 of the pipes 2 of each of the two rows 2' being situated in a respective plane P, P 'and these two planes forming between them an obtuse angle .
  • Said distributor device 1 also comprises, for each row of pipes 2, an intermediate connecting plate 4, preferably with a body 4 'in the form of a perforated plate, these plates 4 being intended to be sandwiched with clamping between the ends 2 "of the pipes 2 and the mounting planes arranged in V of the cylinder heads, in order to make sealed fluidic connections between the pipes and the cylinders of the engine.
  • the bodies 4 'of the two intermediate connection plates 4 are each connected to the body 1' of the distributor 1 via a connection 5 of retention and loose positioning, allowing limited relative displacement in translation and in pivoting of said plates 4 between them and / or relative to the body of the distributor 1 'and does not interfere with the final positioning of the latter during assembly with clamping body 1' of the distributor 1 on the cylinder heads with sandwiched said 4 'platinum body.
  • the two plates 4 may be pre-assembled on the body 1 'of the distributor, while having a certain freedom of movement allowing their precise positioning between the pipes and the cylinder heads during assembly of the device 1 on the engine concerned.
  • the displacement of the plates 4 makes it possible to modify the overall size of the distributor device 1, in terms of volume, shape and / or size reduction.
  • articulated links with translational and pivotal faculty resulting from retention and positioning of the two platen bodies 4 'with each other and with respect to the body of the distributor 1' are at least partially combined and in particular have pivot axes coinciding.
  • the common axis X of the limited pivoting of the plates 4 authorized by the connection 5 of retention and loose positioning extends between the two rows 2 'of tubings and parallel thereto, and that the limited translation allowed each platen 4 can be carried out at least in the direction of extension of the extremal portion of the tubes 2 of the row 2 'concerned by the plate 4 in question.
  • connection 5 makes it possible to simplify the assembly of the plates 4 with the body of the distributor 1 'and to limit the interference with the external environment surrounding the distributor device 1.
  • the two platinum bodies 4 ' are each provided with at least two lateral arms 6 provided at their free ends with at least one shaft portion or shaft portion 7 to be received each in a corresponding site 8 formed on the body 1 'of the distributor 1, this with limited translational and pivoting capability (e) s, the various shaft or axis portions 7, preferably formed integrally with the arms 6 and the platinum body 4 ', being mutually aligned.
  • the two plates 4 are normally arranged in similar configurations relative to the body 1 'of the distributor, the shaft portions or axis 7 are perfectly aligned with each other and form a continuous pivot axis X in one piece.
  • different displacements in translation in the free bearings 8 of said portions 7, resulting from differentiated displacement in translation of the platinum bodies 4 ', can lead to a duplication of said pivot axis in two substantially parallel axes, each associated with one turntables 4.
  • each reception and retention site 8 consists of an open and partially free bearing allowing the introduction of a shaft or axis portion 7 by elastic deformation, radially by relative to the axis of said bearing.
  • each open bearing 8 may, for example, consist of two opposed elastically deformable wings 9 formed on the body 1 'of the distributor 1 and having convergent, preferably curved free ends 9', defining between them a passage of width less than the diameter of the shaft or axis portions 7 and the different bearings 8 may be mutually aligned in a direction parallel to the longitudinal directions of the two rows 2 'of tubings 2 defining the common pivot axis X, and being located therebetween.
  • each platinum body 4 ' is advantageously provided with at least two arms 6 or series of arms 6 mutually offset in the longitudinal direction of the respective platen body 4' and in that the two platens 4 are identical in constitution, said plates 4 being optionally secured to each other at the ends of their arms 6 by a rotary connection about the pivot axis X (not shown).
  • each plate 4 may comprise two series of three arms 6, the adjacent arms being connected by axis or shaft portions 7, which are intended to engage in the bearings 8.
  • abutment means 10 for example under the wing shape (s) or rib (s) formed (s) integrally on said portions 7 and / or said arms 6, determining by engagement cooperating with one or abutment means 11, formed (s) on the body 1 'of the distributor 1 or forming part of the sites 8, at least one extreme pivoting position, corresponding to a maximum permitted distance of the platinum body 4' considered, with respect to the ends 2 "of the tubes 2 of the row 2 concerned.
  • abutment 11 may consist of a rib or continuous wing formed on the outside of the body 1 'of the distributor.
  • the wings 10 forming a stop may also come into engagement with the walls of the sites 8 to possibly define opposite positions of extreme pivoting.
  • each body 4' may comprise one or more lugs (12) for centering and positioning device, intended (s) to engage in a cavity (s) 12 'corresponding (s) present (s) in the distributor body 1', and located (s) around the outlet orifices 3 of the tubes 2, during the application of the plate 4 concerned on the ends 2 "of the tubes 2 of the row 2 'concerned, holes 13 for the passage of screws 16 for fixing and clamping the distributor 1 on the yokes being preferably also provided in the platinum body 4 '.
  • the figures 1 and 5 in particular show that the perforated plates forming the platinum body 4 'are provided around each of their openings forming fluid passages, and on each of the two opposite faces of the platinum body 4', a groove 14, 14 'for receiving a corresponding seal 15, 15 '.
  • the invention also relates to a motor vehicle with internal combustion engine, in particular with cylinders mounted in V, characterized in that it comprises a distributor device 1 as described above.
  • the invention also has for one object a method of mounting an intake distributor on a V-cylinder engine, characterized in that it consists in providing an intake distributor device 1 as described above. , in the form of a preassembled module comprising the body of the distributor 1 'and the intermediate connection plates 4, to approach the distributor device 1 of the motor concerned so as to position it above the mounting planes of the cylinder heads, to come to bear the distribution device 1 on the yokes, the bodies of plates 4 'then automatically positioned between the ends 2 "of the tubes 2 and said V-shaped mounting planes said yokes by limited movements and guided in translation and in rotation of said platen body 4 'and, finally, to push and tighten the fastening screws 16, possibly placed in corresponding holes 16' of the body 1 'of the distribution admission 1 during the pre-assembly phase.
  • the plates 4 are positioned, during the approach phase of the distributor device 1, under the action of gravity, in a position of extreme pivoting, resulting in at least a partial retraction of said plates 4 under the body of the distributor 1 ', such that they are located within the lateral space of said body 1', at least for the most part.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Characterised By The Charging Evacuation (AREA)

Description

La présente invention concerne le domaine des équipements des véhicules automobiles à moteurs à combustion interne, en particulier les équipements accessoires de tels moteurs, et a pour objets un dispositif de répartiteur d'admission et son procédé de montage sur un moteur.The present invention relates to the field of equipment of motor vehicles with internal combustion engines, in particular the accessory equipment of such engines, and has as its object an intake distributor device and its mounting method on an engine.

Les moteurs à combustion interne sont de manière connue équipés de répartiteurs ou collecteurs d'admission qui alimentent les cylindres en air de combustion, éventuellement mélangé à des gaz de combustion recyclés.Internal combustion engines are known in the known manner equipped with distributors or intake manifolds which feed the cylinders with combustion air, possibly mixed with recycled combustion gases.

Ces répartiteurs sont solidarisés rigidement et de manière étanche sur la ou les culasses du moteur au moyen de vis de fixation et avec interposition de platines de raccordement.These splitter boxes are rigidly and sealingly attached to the engine cylinder head (s) by means of fixing screws and with the interposition of connection plates.

Ces platines intègrent des moyens d'étanchéité et se présentent généralement sous la forme de plaques ajourées, assurant la liaison fluidique entre les sorties des tubulures et les entrées de la ou des culasse(s).These plates incorporate sealing means and are generally in the form of perforated plates, ensuring the fluid connection between the outlets of the tubes and the inputs of the cylinder head (s).

Des répartiteurs comprenant des platines de raccordement et correspondant au préambule de la revendication 1 sont, par exemple, connus des documents US 2002/083924 et US 5 544 629 .Dispatchers comprising connection plates and corresponding to the preamble of claim 1 are, for example, known documents US 2002/083924 and US 5,544,629 .

Actuellement, ces platines sont généralement mises en place sur le plan de montage de la culasse avant la fixation du répartiteur, ce qui entraîne une opération supplémentaire au niveau de la chaîne d'assemblage, requérant une grande précision d'exécution afin de garantir une bonne étanchéité. Cette opération est encore plus fastidieuse lorsque plusieurs platines distinctes doivent être mises en place.Currently, these plates are usually placed on the mounting plane of the cylinder head before fixing the distributor, which causes an additional operation at the assembly line, requiring a high accuracy of execution to ensure good seal. This operation is even more tedious when several separate plates must be put in place.

Il est également possible de mettre en place ces platines sur le répartiteur avant son montage sur le moteur.It is also possible to set up these plates on the splitter before mounting it on the engine.

Toutefois, un assemblage rigide de la ou des platines avec le répartiteur supprime toute possibilité de jeu au moment du serrage et peut ainsi résulter en un mésalignement au niveau de la culasse, en particulier en présence de plusieurs platines distinctes.However, a rigid assembly of the plate or plates with the distributor eliminates any possibility of play at the time of tightening and may result in a misalignment at the cylinder head, especially in the presence of several separate plates.

En outre, lorsque les platines sont fixées sur le répartiteur, l'encombrement de ce dernier, en particulier l'encombrement latéral du répartiteur, s'en trouve augmenté, empêchant, le cas échéant, un montage à travers un passage d'accès étroit, dans certaines configurations de construction, vers les culasses.In addition, when the plates are fixed on the distributor, the size of the latter, in particular the lateral size of the distributor, is increased, preventing, if necessary, mounting through a narrow access passage , in some construction configurations, to the cylinder heads.

La présente invention a notamment pour but de surmonter certaines, et préférentiellement tou(te)s, les limitations et/ou inconvénients exposés ci-dessus.The present invention is intended in particular to overcome some, and preferably all, the limitations and / or disadvantages described above.

A cet effet, la présente invention a pour objet un dispositif de répartiteur ou de collecteur d'admission, en particulier pour moteur à cylindres en V, comportant deux rangées d'au moins deux tubulures, les orifices de sortie des tubulures de chacune des deux rangées étant situés dans un plan respectif et ces deux plans formant entre eux un angle obtus, ledit dispositif de répartiteur comprenant également, pour chaque rangée de tubulures, une platine intermédiaire de raccordement, préférentiellement avec un corps sous la forme d'une plaque ajourée, ces platines étant destinées à être prises en sandwich avec serrage entre les extrémités des tubulures et les plans de montage arrangés en V des culasses pour réaliser des liaisons fluidiques étanches entre les tubulures et les cylindres du moteur,
dispositif de répartiteur caractérisé en ce que les corps des deux platines intermédiaires de raccordement sont reliés au corps du répartiteur par l'intermédiaire d'une liaison de rétention et de positionnement lâche, autorisant des déplacements relatifs limités en translation et en pivotement desdites platines entre elles et/ou par rapport au corps du répartiteur et n'entravant pas le positionnement final de ces dernières lors du montage avec serrage du corps du répartiteur sur les culasses avec prise en sandwich desdits corps de platine.For this purpose, the subject of the present invention is a distributor or intake manifold device, in particular for a V-cylinder engine, comprising two rows of at least two pipes, the outlet orifices of the pipes of each of the two rows being located in a respective plane and these two planes forming an obtuse angle between them, said distributor device also comprising, for each row of tubes, an intermediate connecting plate, preferably with a body in the form of a perforated plate, these plates being intended to be sandwiched with clamping between the ends of the pipes and the arranged mounting planes in V of the cylinder heads to make sealed fluidic connections between the pipes and the cylinders of the engine,
distributor device characterized in that the bodies of the two intermediate connection plates are connected to the body of the distributor by means of a loose retention and positioning connection, allowing limited relative displacement in translation and pivoting of said plates between them and / or relative to the body of the distributor and does not interfere with the final positioning of the latter during assembly with tightening of the body of the distributor on the cylinder heads with sandwiching said platinum bodies.

L'invention sera mieux comprise, grâce à la description ci-après, qui se rapporte à un mode de réalisation préféré, donné à titre d'exemple non limitatif, et expliqué avec référence aux dessins schématiques annexés, dans lesquels :

  • les figures 1A et 1B sont des vues éclatées en perspective, selon deux directions différentes, d'un dispositif de répartiteur d'admission selon l'invention;
  • la figure 2 est une vue de dessous du dispositif de répartiteur de la figure 1, après assemblage;
  • la figure 3 est une vue en élévation frontale, dans la direction longitudinale du corps du répartiteur et dans la direction des rangées tubulaires, du répartiteur d'admission des figures 1 et 2, les deux platines étant situées dans leurs positions de pivotement extrêmes, éloignées des rangées de tubulures qui leur sont respectivement associées;
  • la figure 4 est une vue analogue à celle de la figure 3, les corps de platine ayant été pivotés et rapprochés des extrémités des tubulures (par mise en appui sur les plans de montage des culasses) ;
  • la figure 5 et une vue en coupe selon un plan perpendiculaire à l'axe longitudinal du corps du répartiteur du dispositif représenté figure 4, et,
  • les figures 6 et 7 sont des vues en perspective, de dessus et de dessous, de l'ensemble de deux platines de raccordement faisant partie du dispositif de répartiteur représenté aux figures 1 à 5.
The invention will be better understood, thanks to the following description, which refers to a preferred embodiment, given by way of non-limiting example, and explained with reference to the attached schematic drawings, in which:
  • the Figures 1A and 1B are exploded views in perspective, in two different directions, of an intake distributor device according to the invention;
  • the figure 2 is a bottom view of the dispatcher device of the figure 1 , after assembly;
  • the figure 3 is a front elevational view, in the longitudinal direction of the tundish body and in the direction of the tubular rows, of the inlet manifold of the figures 1 and 2 , the two plates being located in their extreme pivoting positions, away from the rows of pipes which are respectively associated therewith;
  • the figure 4 is a view similar to that of the figure 3 , the platinum bodies having been pivoted and brought closer to the ends of the tubes (by bearing on the mounting planes of the cylinder heads);
  • the figure 5 and a sectional view along a plane perpendicular to the longitudinal axis of the body of the distributor of the device shown figure 4 and,
  • the figures 6 and 7 are perspective views, from above and below, of the set of two connection plates forming part of the distributor device shown in FIGS. Figures 1 to 5 .

Les figures 1 à 5 des dessins annexés montrent un dispositif 1 de répartiteur ou de collecteur d'admission, en particulier pour moteur à cylindres en V.The Figures 1 to 5 appended drawings show a distributor 1 or intake manifold device 1, in particular for a V-cylinder engine.

Ce répartiteur comporte deux rangées 2' d'au moins deux tubulures 2, les orifices de sortie 3 des tubulures 2 de chacune des deux rangées 2' étant situés dans un plan respectif P, P' et ces deux plans formant entre eux un angle obtus.This distributor comprises two rows 2 'of at least two pipes 2, the outlet orifices 3 of the pipes 2 of each of the two rows 2' being situated in a respective plane P, P 'and these two planes forming between them an obtuse angle .

Ledit dispositif de répartiteur 1 comprend également, pour chaque rangée de tubulures 2, une platine intermédiaire de raccordement 4, préférentiellement avec un corps 4' sous la forme d'une plaque ajourée, ces platines 4 étant destinées à être prises en sandwich avec serrage entre les extrémités 2" des tubulures 2 et les plans de montage arrangés en V des culasses, ce afin de réaliser des liaisons fluidiques étanches entre les tubulures et les cylindres du moteur.Said distributor device 1 also comprises, for each row of pipes 2, an intermediate connecting plate 4, preferably with a body 4 'in the form of a perforated plate, these plates 4 being intended to be sandwiched with clamping between the ends 2 "of the pipes 2 and the mounting planes arranged in V of the cylinder heads, in order to make sealed fluidic connections between the pipes and the cylinders of the engine.

Conformément à l'invention, les corps 4' des deux platines intermédiaires de raccordement 4 sont chacun reliés au corps 1' du répartiteur 1 par l'intermédiaire d'une liaison 5 de rétention et de positionnement lâche, autorisant des déplacements relatifs limités en translation et en pivotement desdites platines 4 entre elles et/ou par rapport au corps du répartiteur 1' et n'entravant pas le positionnement final de ces dernières lors du montage avec serrage du corps 1' du répartiteur 1 sur les culasses avec prise en sandwich desdits corps de platine 4'.According to the invention, the bodies 4 'of the two intermediate connection plates 4 are each connected to the body 1' of the distributor 1 via a connection 5 of retention and loose positioning, allowing limited relative displacement in translation and in pivoting of said plates 4 between them and / or relative to the body of the distributor 1 'and does not interfere with the final positioning of the latter during assembly with clamping body 1' of the distributor 1 on the cylinder heads with sandwiched said 4 'platinum body.

Ainsi, les deux platines 4 peuvent être prémontées sur le corps 1' du répartiteur, tout en disposant d'une certaine liberté de mouvement permettant leur positionnement précis entre les tubulures et les culasses lors du montage du dispositif 1 sur le moteur concerné.Thus, the two plates 4 may be pre-assembled on the body 1 'of the distributor, while having a certain freedom of movement allowing their precise positioning between the pipes and the cylinder heads during assembly of the device 1 on the engine concerned.

En outre, le déplacement des platines 4 permet de modifier l'encombrement global du dispositif de répartiteur 1, en terme de volume, de forme et/ou de réduction de dimension.In addition, the displacement of the plates 4 makes it possible to modify the overall size of the distributor device 1, in terms of volume, shape and / or size reduction.

De manière avantageuse, les liaisons articulées avec faculté de translation et de pivotement, résultant des liaisons 5 de rétention et de positionnement des deux corps de platine 4' entre eux et par rapport au corps du répartiteur 1', sont au moins partiellement confondues et présentent notamment des axes de pivotement confondus. De plus, l'axe commun X du pivotement limité des platines 4 autorisé par la liaison 5 de rétention et de positionnement lâche, s'étend entre les deux rangées 2' de tubulures et parallèlement à celles-ci, et que la translation limitée autorisée de chaque platine 4 peut s'effectuer au moins dans la direction d'extension de la portion extrémale des tubulures 2 de la rangée 2' concernée par la platine 4 considérée.Advantageously, articulated links with translational and pivotal faculty resulting from retention and positioning of the two platen bodies 4 'with each other and with respect to the body of the distributor 1', are at least partially combined and in particular have pivot axes coinciding. In addition, the common axis X of the limited pivoting of the plates 4 authorized by the connection 5 of retention and loose positioning, extends between the two rows 2 'of tubings and parallel thereto, and that the limited translation allowed each platen 4 can be carried out at least in the direction of extension of the extremal portion of the tubes 2 of the row 2 'concerned by the plate 4 in question.

Une telle configuration localisée et escamotée des liaisons 5 permet de simplifier l'assemblage des platines 4 avec le corps du répartiteur 1' et de limiter les interférences avec l'environnement extérieur entourant le dispositif de répartiteur 1.Such a localized and retracted configuration of the connections 5 makes it possible to simplify the assembly of the plates 4 with the body of the distributor 1 'and to limit the interference with the external environment surrounding the distributor device 1.

En accord avec un mode de construction possible de l'invention, ressortant des figures des dessins annexés, notamment des figures 6 et 7, les deux corps de platine 4' sont pourvus, chacun, d'au moins deux bras latéraux 6 munis, au niveau de leurs extrémités libres, d'au moins une portion d'arbre ou d'axe 7 destinée à être reçue chacune dans un site 8 correspondant formé sur le corps 1' du répartiteur 1, ce avec faculté de translation et de pivotement limité(e)s, les différentes portions d'arbre ou d'axe 7, préférentiellement formées d'un seul tenant avec les bras 6 et le corps de platine 4', étant mutuellement alignées.In accordance with a possible embodiment of the invention, as shown in the figures of the accompanying drawings, in particular figures 6 and 7 the two platinum bodies 4 'are each provided with at least two lateral arms 6 provided at their free ends with at least one shaft portion or shaft portion 7 to be received each in a corresponding site 8 formed on the body 1 'of the distributor 1, this with limited translational and pivoting capability (e) s, the various shaft or axis portions 7, preferably formed integrally with the arms 6 and the platinum body 4 ', being mutually aligned.

Les deux platines 4 étant normalement disposées dans des configurations analogues par rapport au corps 1' du répartiteur, les portions d'arbre ou d'axe 7 sont parfaitement alignées entre elles et forment un axe de pivotement X continu d'un seul tenant. Toutefois, des déplacements en translation différents dans les paliers libres 8 desdites portions 7, résultant de déplacement en translation différenciés des corps de platine 4', peuvent aboutir à un dédoublement dudit axe de pivotement en deux axes sensiblement parallèles, associés chacun à l'une des platines 4.The two plates 4 are normally arranged in similar configurations relative to the body 1 'of the distributor, the shaft portions or axis 7 are perfectly aligned with each other and form a continuous pivot axis X in one piece. However, different displacements in translation in the free bearings 8 of said portions 7, resulting from differentiated displacement in translation of the platinum bodies 4 ', can lead to a duplication of said pivot axis in two substantially parallel axes, each associated with one turntables 4.

Selon une variante de réalisation pratique préférée de l'invention, chaque site 8 de réception et de rétention consiste en un palier ouvert et partiellement libre autorisant l'introduction d'une portion d'arbre ou d'axe 7 par déformation élastique, radialement par rapport à l'axe dudit palier.According to a preferred practical variant embodiment of the invention, each reception and retention site 8 consists of an open and partially free bearing allowing the introduction of a shaft or axis portion 7 by elastic deformation, radially by relative to the axis of said bearing.

Plus précisément, et comme le montrent les figures 1 à 5 des dessins annexés, chaque palier ouvert 8 peut, par exemple, être constitué de deux ailes opposées 9 élastiquement déformables, formées sur le corps 1' du répartiteur 1 et présentant des extrémités libres 9' convergentes, préférentiellement courbes, définissant entre elles un passage de largeur inférieure au diamètre des portions d'arbre ou d'axe 7 et les différents paliers 8 peuvent être mutuellement alignés selon une direction parallèle aux directions longitudinales des deux rangées 2' de tubulures 2 définissant l'axe de pivotement commun X, et en étant situés entre ces dernières.More specifically, and as shown by the Figures 1 to 5 In the accompanying drawings, each open bearing 8 may, for example, consist of two opposed elastically deformable wings 9 formed on the body 1 'of the distributor 1 and having convergent, preferably curved free ends 9', defining between them a passage of width less than the diameter of the shaft or axis portions 7 and the different bearings 8 may be mutually aligned in a direction parallel to the longitudinal directions of the two rows 2 'of tubings 2 defining the common pivot axis X, and being located therebetween.

Comme le montrent les figures 6 et 7 des dessins annexés, chaque corps de platine 4' est avantageusement pourvu d'au moins deux bras 6 ou séries de bras 6, mutuellement décalé(e)s dans la direction longitudinale du corps de platine 4' respectif et en ce que les deux platines 4 sont de constitution identique, lesdites platines 4 étant éventuellement solidarisées entre elles au niveau des extrémités de leurs bras 6 par une liaison rotatoire autour de l'axe de pivotement X (non représenté).As shown by figures 6 and 7 In the accompanying drawings, each platinum body 4 'is advantageously provided with at least two arms 6 or series of arms 6 mutually offset in the longitudinal direction of the respective platen body 4' and in that the two platens 4 are identical in constitution, said plates 4 being optionally secured to each other at the ends of their arms 6 by a rotary connection about the pivot axis X (not shown).

A titre d'exemple, chaque platine 4 peut comprendre deux séries de trois bras 6, les bras adjacents étant reliés par des portions d'axe ou d'arbre 7, lesquelles sont destinées à s'engager dans les paliers 8.By way of example, each plate 4 may comprise two series of three arms 6, the adjacent arms being connected by axis or shaft portions 7, which are intended to engage in the bearings 8.

Afin de pouvoir garantir le positionnement des corps de platine 4' dans une configuration autorisant un montage avec mise en place automatique des platines 4 entre les tubulures 4 et les culasses du moteur, tout en n'entravant pas leur liberté de mouvement dans des plages prédéterminées, il est prévu qu'au moins certaines des portions d'arbre ou d'axe 7 et/ou au moins certains des bras latéraux 6 de chacune des platines 4 sont muni(e)s de moyens de butée 10, par exemple sous la forme d'aile(s) ou de nervure(s) formée(s) d'un seul tenant sur lesdites portions 7 et/ou lesdits bras 6, déterminant par engagement coopérant avec un ou des moyens de contrebutée 11, formé(s) sur le corps 1' du répartiteur 1 ou faisant partie des sites 8, au moins une position de pivotement extrême, correspondant à un éloignement maximal autorisé du corps de platine 4' considéré, par rapport aux extrémités 2" des tubulures 2 de la rangée 2' concernée.In order to be able to guarantee the positioning of the platen bodies 4 'in a configuration allowing an assembly with automatic positioning of the plates 4 between the pipes 4 and the cylinder heads of the engine, while not hindering their freedom of movement within predetermined ranges it is provided that at least some of the shaft portions or axis 7 and / or at least some of the side arms 6 of each of the plates 4 are provided with abutment means 10, for example under the wing shape (s) or rib (s) formed (s) integrally on said portions 7 and / or said arms 6, determining by engagement cooperating with one or abutment means 11, formed (s) on the body 1 'of the distributor 1 or forming part of the sites 8, at least one extreme pivoting position, corresponding to a maximum permitted distance of the platinum body 4' considered, with respect to the ends 2 "of the tubes 2 of the row 2 concerned.

Comme le montrent les figures 3 à 5, la contrebutée 11 peut consister en une nervure ou aile continue formée sur l'extérieur du corps 1' du répartiteur. Les ailes 10 formant butée peuvent éventuellement également venir en engagement avec les parois des sites 8 pour éventuellement définir des positions opposées de pivotement extrême.As shown by Figures 3 to 5 , abutment 11 may consist of a rib or continuous wing formed on the outside of the body 1 'of the distributor. The wings 10 forming a stop may also come into engagement with the walls of the sites 8 to possibly define opposite positions of extreme pivoting.

En vue de parvenir automatiquement à un positionnement précis des corps de platine 4' par rapport aux extrémités 2" des tubulures 2, lors de leur rapprochement mutuel par pivotement, chaque corps 4' peut comporter un ou plusieurs ergot(s) 12 de centrage et de positionnement, destiné(s) à s'engager dans une ou des cavité(s) 12' correspondante(s) présente(s) dans le corps de répartiteur 1', et située(s) autour des orifices de sortie 3 des tubulures 2, lors de l'application de la platine 4 concernée sur les extrémités 2" des tubulures 2 de la rangée 2' concernée, des orifices 13 de passage des vis 16 de fixation et de serrage du répartiteur 1 sur les culasses étant préférentiellement également prévus dans le corps de platine 4'.With a view to automatically achieving precise positioning of the platen bodies 4 'with respect to the ends 2 "of the tubes 2, during their mutual approximation by pivoting, each body 4' may comprise one or more lugs (12) for centering and positioning device, intended (s) to engage in a cavity (s) 12 'corresponding (s) present (s) in the distributor body 1', and located (s) around the outlet orifices 3 of the tubes 2, during the application of the plate 4 concerned on the ends 2 "of the tubes 2 of the row 2 'concerned, holes 13 for the passage of screws 16 for fixing and clamping the distributor 1 on the yokes being preferably also provided in the platinum body 4 '.

Les figures 1 et 5 notamment montrent que les plaques ajourées formant les corps de platine 4' sont pourvues autour de chacune de leurs ouvertures formant passages fluidiques, et sur chacune des deux faces opposées des corps de platine 4', d'une rainure 14, 14' pour la réception d'un joint d'étanchéité correspondant 15, 15'.The figures 1 and 5 in particular show that the perforated plates forming the platinum body 4 'are provided around each of their openings forming fluid passages, and on each of the two opposite faces of the platinum body 4', a groove 14, 14 'for receiving a corresponding seal 15, 15 '.

L'invention concerne également un véhicule automobile à moteur à combustion interne, notamment avec des cylindres montés en V, caractérisé en ce qu'il comporte un dispositif de répartiteur 1 tel que décrit ci-dessus.The invention also relates to a motor vehicle with internal combustion engine, in particular with cylinders mounted in V, characterized in that it comprises a distributor device 1 as described above.

Enfin, l'invention a aussi pour un objet un procédé de montage d'un répartiteur d'admission sur un moteur à cylindres en V, caractérisé en ce qu'il consiste à fournir un dispositif de répartiteur d'admission 1 tel que décrit précédemment, sous la forme d'un module prémonté comprenant le corps du répartiteur 1' et les platines intermédiaires de raccordement 4, à approcher le dispositif 1 de répartiteur du moteur concerné de manière à le positionner au-dessus des plans de montage des culasses, à venir mettre en appui le dispositif de répartiteur 1 sur les culasses, les corps de platines 4' se positionnant alors automatiquement entre les extrémités 2" des tubulures 2 et lesdits plans de montage en V desdites culasses par des déplacements limités et guidés en translation et en rotation desdits corps de platine 4' et, enfin, à enfoncer et à serrer les vis de fixation 16, éventuellement mises en place dans des orifices 16' correspondants du corps 1' du répartiteur d'admission 1 lors de la phase de prémontage.Finally, the invention also has for one object a method of mounting an intake distributor on a V-cylinder engine, characterized in that it consists in providing an intake distributor device 1 as described above. , in the form of a preassembled module comprising the body of the distributor 1 'and the intermediate connection plates 4, to approach the distributor device 1 of the motor concerned so as to position it above the mounting planes of the cylinder heads, to come to bear the distribution device 1 on the yokes, the bodies of plates 4 'then automatically positioned between the ends 2 "of the tubes 2 and said V-shaped mounting planes said yokes by limited movements and guided in translation and in rotation of said platen body 4 'and, finally, to push and tighten the fastening screws 16, possibly placed in corresponding holes 16' of the body 1 'of the distribution admission 1 during the pre-assembly phase.

De manière avantageuse, et grâce aux dispositions de l'invention, les platines 4 sont positionnées, durant la phase d'approche du dispositif de répartiteur 1, sous l'action de la pesanteur, dans une position de pivotement extrême, résultant en un escamotage au moins partiel desdites platines 4 sous le corps du répartiteur 1', de telle manière qu'elles soient situées à l'intérieur de l'encombrement latéral dudit corps 1', au moins en majeure partie.Advantageously, and thanks to the provisions of the invention, the plates 4 are positioned, during the approach phase of the distributor device 1, under the action of gravity, in a position of extreme pivoting, resulting in at least a partial retraction of said plates 4 under the body of the distributor 1 ', such that they are located within the lateral space of said body 1', at least for the most part.

Bien entendu, l'invention n'est pas limitée au mode de réalisation décrit et représenté aux dessins annexés. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention.Of course, the invention is not limited to the embodiment described and shown in the accompanying drawings. Modifications are possible, particularly from the point of view of the constitution of the various elements or by substitution of technical equivalents, without departing from the scope of protection of the invention.

Claims (12)

  1. Distribution device or intake manifold, in particular for a V-cylinder engine, comprising two rows of at least two pipes, the outlet openings of the pipes of each of the two rows each being located in a respective plane and these two planes forming an obtuse angle between them, said distribution device also comprising, for each row of pipes, an intermediate connecting plate, preferably with a body in the form of a fretted plate, said plates being designed to be sandwiched and clamped between the ends of the pipes and the assembly planes arranged in a V of the cylinder heads to achieve sealed fluid connections between the pipes and the cylinders of the engine,
    said distribution device (1) being characterised in that the bodies (4') of the two intermediate connecting plates (4) are each connected to the body (1') of the distributor (1) by means of a loose retaining and positioning connection (5), which enables limited relative displacements of translation and pivoting of said plates (4) between the latter and/or relative to the body of the distributor (1') and without hindering the final positioning of the latter during assembly with the clamping of the body (1') of the distributor (1) on the cylinder heads with the sandwiching of said plate bodies (4').
  2. Distribution device according to claim 1, characterised in that articulated connections with translation and pivoting functions resulting from the retaining and positioning connections (5) of the two plate bodies (4') between each other and relative to the body of the distributor (1') are at least partly merged and have in particular merged pivot axes, in that the common axis (X) of the limited pivoting of the plates (4) permitted by the loose retaining and positioning connection (5) extends between the two rows (2') of pipes and parallel to the latter, and in that the limited authorised translation of each plate (4) can be performed at least in the direction of extension of the end portion of the pipes (2) of the row (2') concerned by the relevant plate (4).
  3. Distribution device according to claim 1 or 2, characterised in that the two plate bodies (4') are each provided with at least two lateral arms (6) provided at their free ends with at least one portion of shaft or axis (7) designed to be mounted respectively in a corresponding site (8) formed on the body (1') of the distributor (1), the latter with a limited translation and pivoting function, different portions of the shaft or axis (7), preferably formed in one piece with the arms (6) and the plate body (4'), being mutually aligned.
  4. Distribution device according to claim 3, characterised in that each receiving and retaining site (8) consists of an open and partially free bearing enabling the introduction of a portion of the shaft or axis (7) by resilient deformation radially in relation to the axis of said bearing.
  5. Distribution device according to claim 4, characterised in that each open bearing (8) is formed by two resilient deformable opposite wings (9), formed on the body (1') of the distributor (1) and having converging free ends (9'), preferably curved, defining between them a passage with a width smaller than the diameter of the shaft or axis portions (7), and in that the different bearings (8) are mutually aligned in a direction parallel to the longitudinal directions of the two rows (2') of pipes (2) defining the common pivoting axis (X) and located between the latter.
  6. Distribution device according to any one of claims 3 to 5, characterised in that each plate body (4') is provided with at least two arms (6) or a series of arms (6), that are offset mutually in the longitudinal direction of the respective plate body (4') and in that the two plates (4) are identical in form, said plates (4) being possibly joined together at the ends of their arms (6) by a rotary connection about the pivot axis (X).
  7. Distribution device according to any one of claims 3 to 6, characterised in that at least some portions of the shaft or axis (7) and/or at least some lateral arms (6) of each of the plates (4) are provided with abutments (10), for example in the form of wings or ribs formed in one piece on said portions (7) and/or said arms (6), determining by engaging cooperatively with one or more counter-abutment means (11) formed on the body (1') of the distributor (1) or forming part of the sites (8), at least one position of extreme pivoting, corresponding to the maximal spacing allowed by the body of the plate (4') concerned relative to the ends (2") of the pipes (2) of the row (2') concerned.
  8. Distribution device according to any one of claims 3 to 7, characterised in that each plate body (4') comprises one or more centring and positioning pins (12) designed to engage with one or more corresponding cavities (12') provided in the body of the distributor (1'), and located around the outlet openings (3) of the pipes (2), during the application of the plate (4) concerned onto the ends (2") of the pipes (2) of the row (2') concerned, openings (13) for the passage of screws (16) for fixing and clamping the distributor (1) onto the cylinder heads being preferably also provided in the plate body (4').
  9. Distribution device according to any one of claims 1 to 8, characterised in that the fretted plates forming the plate bodies (4') are provided around each of their openings forming fluid passages, and on each of the two opposite faces of the plate bodies (4') are provided with a groove (14, 14') for receiving a corresponding sealing gasket (15, 15').
  10. Motor vehicle with an internal combustion engine, in particular with V-mounted cylinders, characterised in that it comprises a distribution device (1) according to any one of claims 1 to 9.
  11. Method for the assembly of an intake distributor on a V-cylinder engine, characterised in that it comprises providing an intake distribution device (1) according to any one of claims 1 to 9, in the form of a premounted module comprising the body of the distributor (1') and intermediate connecting plates (4), moving the distributor device (1) of the engine concerned in order to position it above the assembly planes of the cylinder heads, supporting the distribution device (1) on the cylinder heads, the plate bodies (4') being then positioned automatically between the ends (2") of the pipes (2) and said assembly planes in a V- shape of said cylinder heads by limited and guided displacements in translation and in rotation of said plate body (4') and, finally pressing in and tightening the securing screws (16), possibly inserted into the corresponding openings (16') of the body (1') of the intake distributor (1) during the preassembly phase.
  12. Method of assembly according to claim 11, characterised in that during the approach phase of the distribution device (1), the plates (4) are positioned under the effect of gravity, in an extreme pivoting position, resulting in an at least partial retraction of said plates (4) under the body of the distributor (1'), in such a way that they are positioned inside the lateral space requirement of said body (1'), at least for the most part.
EP20110305349 2010-03-31 2011-03-29 Air intake distributor device having plates and method of asssemblying on an engine Active EP2375048B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1052387A FR2958338B1 (en) 2010-03-31 2010-03-31 INTAKE DISTRIBUTION DEVICE INCORPORATING PLATINUM AND METHOD OF MOUNTING IT TO A MOTOR

Publications (2)

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EP2375048A1 EP2375048A1 (en) 2011-10-12
EP2375048B1 true EP2375048B1 (en) 2014-08-27

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FR (1) FR2958338B1 (en)

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US9556831B1 (en) * 2015-08-18 2017-01-31 Frank Jasper Pty Ltd. Thermal fuel delivery system with insertion assembly

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Publication number Priority date Publication date Assignee Title
JPH0814126A (en) * 1994-06-29 1996-01-16 Honda Motor Co Ltd Intake device of v-type engine
DE60117460T2 (en) * 2001-01-04 2006-08-24 Siemens Vdo Automotive Inc., Chatham Self-supporting intake manifold
US7302930B1 (en) * 2006-12-13 2007-12-04 Chrysler Llc Air induction system and assembly method for an intake manifold with a single shaft and sensor for activating air control valves
JP2009287418A (en) * 2008-05-27 2009-12-10 Toyota Motor Corp Intake manifold and internal combustion engine

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FR2958338B1 (en) 2012-03-23
FR2958338A1 (en) 2011-10-07
EP2375048A1 (en) 2011-10-12

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