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EP0768453A1 - Connection device for an internal combustion engine - Google Patents

Connection device for an internal combustion engine Download PDF

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Publication number
EP0768453A1
EP0768453A1 EP96401927A EP96401927A EP0768453A1 EP 0768453 A1 EP0768453 A1 EP 0768453A1 EP 96401927 A EP96401927 A EP 96401927A EP 96401927 A EP96401927 A EP 96401927A EP 0768453 A1 EP0768453 A1 EP 0768453A1
Authority
EP
European Patent Office
Prior art keywords
engine
chassis according
chassis
flexible tubular
rigid pipes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP96401927A
Other languages
German (de)
French (fr)
Other versions
EP0768453B1 (en
Inventor
Denis Godeau
Anthony Garcia
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hutchinson SA
Original Assignee
Hutchinson SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR9510829A external-priority patent/FR2738873B1/en
Application filed by Hutchinson SA filed Critical Hutchinson SA
Publication of EP0768453A1 publication Critical patent/EP0768453A1/en
Application granted granted Critical
Publication of EP0768453B1 publication Critical patent/EP0768453B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/04—Arrangements of liquid pipes or hoses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/02—Liquid-coolant filling, overflow, venting, or draining devices
    • F01P11/029—Expansion reservoirs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2070/00—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers

Definitions

  • the present invention relates mainly to an interconnection device, in particular hydraulic and pneumatic for various members of an internal combustion engine of a motor vehicle.
  • the paths of various elongated bodies must take into account not only the space available in the engine compartment, but also the proximity of hot elements such as engine parts or certain tubular pipes which risk compromising the proper functioning of fragile elongated bodies or containing cold liquids. Similarly, it may be necessary to keep the cables away from sources of electrical and / or magnetic disturbance. This problem is particularly important for flexible elongated bodies, the position of which can vary when subjected to vibrations. Automobile manufacturers have therefore been led to design elongated body paths having good security but not making optimum use of the space available in the engine compartment.
  • connection errors must also be avoided at all costs, which requires the use of keying devices on connectors and / or robotic assembly lines. It should be noted that mounting on a robotic chain will not avoid errors during future connections made by maintenance operators, for example when replacing a flexible tubular pipe. In addition, the arrangement of elongated bodies in the engine compartment of a motor vehicle compromises the aesthetics of the engine block.
  • rigid pipes assembled so as to form a self-supporting interconnection frame.
  • the rigid pipes are supplemented and / or extended by flexible tubular conduits at the level of the difficult passages and / or in the zones subjected to severe stresses, in particular to vibrations.
  • the chassis comprises means for fixing electrical cables, optical fiber cables and / or cable bundles.
  • the chassis comprises means for fixing members for measuring, regulating and / or controlling the flow of fluids.
  • the invention mainly relates to a self-supporting interconnection chassis for a thermal engine of motor vehicles, characterized in that it comprises a plurality of elongated rigid pipes forming the structure of the chassis and extending to the proximity of the members to interconnect and in that it comprises means for fixing to the motor.
  • the invention also relates to a chassis, characterized in that it comprises an incorporated water box.
  • the invention also relates to a chassis, characterized in that the water box comprises means for direct connection to the outlet and to the inlet of cooling water from a heat engine.
  • the invention also relates to a chassis, characterized in that the water box has a hot water inlet capable of being connected to the outlet of the water pump of a heat engine of a motor vehicle, connected to a hot water outlet of the water box connected to a pipe leading to the hot water inlet of a radiator and a cold water inlet connected to a water pipe cooled by a radiator, connected to a cold water outlet capable of being connected to the cooling water inlet of a thermal engine of motor vehicles.
  • the invention also relates to a chassis, characterized in that it comprises means for holding electrical or optical cables or other fluid transfer conduit.
  • the invention also relates to a chassis, characterized in that it comprises a built-in expansion vessel.
  • the invention also relates to a chassis, characterized in that it comprises flexible tubular conduits, connected to the rigid pipes and ensuring the connections in the zones subjected to severe stresses, in the zones of connection to the engine components and / or in areas corresponding to a tormented or difficult course.
  • the invention also relates to a chassis, characterized in that the ends of the pipes, in particular flexible tubular conduits, are provided with connection devices, in particular with quick couplings.
  • the invention also relates to a chassis, characterized in that the rigid pipes are made in one piece by forming or extruding plastic materials.
  • the invention also relates to a chassis, characterized in that the rigid pipes are produced by assembling several pieces of plastic.
  • the invention also relates to an engine block, characterized in that it comprises a chassis according to the invention.
  • the invention also relates to an engine block, characterized in that it comprises a radiator connected to the engine by flexible tubular conduits, and by rigid pipes, in that the engine comprises a heat exchanger connected to the cooling circuit by means of flexible tubular conduits and rigid pipes, in that it comprises flexible tubular conduits and by rigid pipes connecting to the air heater for heating the passenger compartment of the vehicle as well as a rigid pipe connected to a flexible tubular pipe connected to the intake manifold.
  • FIGS. 1a to 2b the same references have been used to designate the same elements.
  • a chassis 1 comprising a first branch 3 whose length is substantially equal to the width of a motor 5 ( Figures 1b and 2b), a second branch 7 parallel to the first branch 3 and whose length is substantially equal to half the width of the motor 5, connected by a third branch 9 orthogonal to the branches 3 and 7.
  • the branch 9 carries a flange 13 for fixing the chassis 1 on motor 5.
  • the frame 1 according to the present invention is advantageously made of plastic, for example by blow molding or rotational molding.
  • the frame 1 according to the invention is produced by assembling, in particular welding or gluing, of elements obtained by molding, by injection, by extrusion or by blow molding.
  • the rigid parts are advantageously made of plastic, although the implementation of metal or other frames does not depart from the scope of the present invention.
  • the flexible tubular conduits are made of plastic or advantageously of elastomer.
  • the fixing of flexible tubular conduits on rigid pipes is advantageously carried out by overmolding of a plastic strap or by the installation of a collar, quick connector or the like.
  • the ends of the flexible tubular pipes opposite those connected to the rigid pipes of the chassis are provided with quick couplings.
  • the chassis according to the invention can be provided with means for absorbing vibrations, electromagnetic shielding arranged near sources of electromagnetic disturbance, around the signal transmission cables, and thermal insulation means arranged near the heat sources. , around signal transmission cables or pipes.
  • the chassis 1 comprises means 15 for fixing the electric cables 19.
  • the configuration of the chassis according to the present invention depends on the engine 5 to be fitted and in particular on the device of the various members and of the various inlets and outlets of engine fluid.
  • the pump outlet of the motor 5 is connected to a distribution inlet and outlet outlet housing 21 incorporated in the chassis according to the present invention, at the level of the element. fixing 13.
  • the housing 21 advantageously ensures the distribution of hot water from the engine 5 and / or the cooled water in a radiator 25.
  • a rigid pipe 16.1 extended by a flexible tubular pipe 17.1 itself terminated by a quick connector 23.1 connects a cold water inlet of the box 21 to the cold water outlet of the radiator 25.
  • a branch 16.31 of the pipe 16.4 is connected by a flexible tubular pipe 17.31, a rigid pipe 16.3 and a tubular pipe the flexible area 17.3 itself terminated by a quick coupling 23.3 at the outlet of a heat exchanger 27 for cooling the engine oil.
  • the inlet of the heat exchanger 27 is connected by a flexible tubular pipe 17.2 terminated by a quick connector 23.2 to a branch 16.2 of the pipe 16.1.
  • a heater for heating the passenger compartment of the vehicle is supplied by a pipe 16.5 connecting the water box 21 to a flexible tubular pipe 17.5 terminated by a quick connector 23.5. The return of water from the heater to the water box 21 takes place via the quick connector 23.6, the tubular pipe 17.6 and the rigid pipe 16.6.
  • a pipe 16.7 terminated by a flexible tubular pipe 17.7, connects the box 21 to the vehicle engine intake manifold.
  • the flexible tubular conduits 17.1 to 17.7 facilitate connection and assembly, avoid transmitting stresses, in particular vibrations, facilitate passage through difficult to access or tormented areas.
  • the pipes 16.1 to 16.7 have a rectangular section optimizing the rigidity of the chassis according to the present invention.
  • the flexible tubular conduits 16.1 to 16.7 have a circular section.
  • the rigid pipes comprise transition zones of circular section facilitating the mounting of flexible tubular conduits.
  • the chassis 1 according to the present invention comprises an integrated expansion tank 29.
  • the chassis according to the present invention allows the passage of the cables necessary for the operation of the engine, for example cables connecting the ignition system to the spark plugs of the engine, the cable connecting the electric generators to the ignition system and to the starter.
  • the chassis according to the present invention also makes it possible to pass electrical or optical cables for interconnecting the engine with other components of the vehicle, for example the cables connecting the various sensors for detecting the proper functioning of the engine to the dashboard of the vehicle. .
  • the present invention applies mainly to the automotive industry.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supports For Pipes And Cables (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The mounting consists of fixings rails (11,13) attached to the engine, and holders (15) for flexible tubes (17) linked to various engine auxiliary components. The mounting also has supports for electrical or optical cables, or any sort of fluid transfer pipes. It incorporates an expansion chamber (29), a water tank and a radiator (25). The mounting can be used to support tubes or cables which have a circular or other cross-section, e.g. spark plug, alternator or starter leads, or electrical or optical cables connected to various engine sensors.

Description

La présente invention se rapporte principalement à un dispositif d'interconnexion, notamment hydraulique et pneumatique pour divers organes d'un moteur à combustion interne d'un véhicule automobile.The present invention relates mainly to an interconnection device, in particular hydraulic and pneumatic for various members of an internal combustion engine of a motor vehicle.

Le bon fonctionnement d'un moteur de véhicule automobile ne peut être assuré sans la connexion des divers circuits pneumatiques, hydrauliques et électriques raccordant divers organes du moteur entre eux ainsi qu'à des dispositifs externes. Lors du montage du véhicule ou de sa maintenance, il est donc impératif d'assurer le passage et la connexion de nombreux corps allongés, notamment de conduites tubulaires flexibles, de conduites tubulaires rigides, des câbles ou faisceaux de câbles, dans le compartiment moteur.The proper functioning of a motor vehicle engine cannot be ensured without the connection of the various pneumatic, hydraulic and electrical circuits connecting various parts of the engine to each other as well as to external devices. During vehicle assembly or maintenance, it is therefore imperative to ensure the passage and connection of many elongated bodies, in particular flexible tubular conduits, rigid tubular conduits, cables or cable bundles, in the engine compartment.

Cela ne va pas sans poser de nombreux problèmes aux constructeurs automobiles.This is not without causing many problems for car manufacturers.

Les chemins de divers corps allongés doivent tenir compte non seulement de l'espace disponible dans le compartiment moteur, mais également de la proximité des éléments chauds comme les pièces du moteur ou certaines conduites tubulaires risquant de compromettre le bon fonctionnement des corps allongés fragiles ou contenant des liquides froids. De même, il peut être nécessaire d'éloigner les câbles des sources de perturbation électrique et/ou magnétique. Ce problème est particulièrement important pour les corps allongés flexibles dont la position peut varier lorsqu'ils sont soumis à des vibrations. Les constructeurs automobiles ont donc été amenés à concevoir des chemins de corps allongés présentant une bonne sécurité mais n'utilisant pas de manière optimale l'espace disponible dans le compartiment moteur.The paths of various elongated bodies must take into account not only the space available in the engine compartment, but also the proximity of hot elements such as engine parts or certain tubular pipes which risk compromising the proper functioning of fragile elongated bodies or containing cold liquids. Similarly, it may be necessary to keep the cables away from sources of electrical and / or magnetic disturbance. This problem is particularly important for flexible elongated bodies, the position of which can vary when subjected to vibrations. Automobile manufacturers have therefore been led to design elongated body paths having good security but not making optimum use of the space available in the engine compartment.

On doit également éviter à tout prix les erreurs de connexion, ce qui impose la mise en oeuvre de détrompeurs sur les connecteurs et/ou de chaînes de montage robotisées. Il est à noter que le montage sur une chaîne robotisée n'évitera pas les erreurs lors des connexions futures effectuées par des opérateurs de maintenance, par exemple lors du remplacement d'une conduite tubulaire flexible. De plus, la disposition de corps allongés dans le compartiment moteur d'un véhicule automobile compromet l'esthétique du bloc moteur.Connection errors must also be avoided at all costs, which requires the use of keying devices on connectors and / or robotic assembly lines. It should be noted that mounting on a robotic chain will not avoid errors during future connections made by maintenance operators, for example when replacing a flexible tubular pipe. In addition, the arrangement of elongated bodies in the engine compartment of a motor vehicle compromises the aesthetics of the engine block.

C'est par conséquent un but de la présente invention d'offrir un dispositif fiable d'interconnexion des divers organes d'un moteur de véhicule automobile.It is therefore an object of the present invention to provide a reliable device for interconnecting the various members of a motor vehicle engine.

C'est également un but de la présente invention d'offrir un tel dispositif permettant de réaliser des interconnexions optimisées en mettant en oeuvre des corps allongés de faibles longueurs.It is also an object of the present invention to provide such a device making it possible to produce optimized interconnections by using elongated bodies of short lengths.

C'est aussi un but de la présente invention d'offrir un dispositif d'interconnexion dont l'esthétique s'accorde avec l'esthétique du bloc moteur.It is also an object of the present invention to provide an interconnection device, the aesthetics of which matches the aesthetics of the engine block.

C'est également un but de la présente invention d'offrir un bloc moteur équipé avant son montage dans le compartiment moteur, d'un dispositif assurant au moins une partie des connexions nécessaires à son fonctionnement.It is also an object of the present invention to provide an engine block fitted before its mounting in the engine compartment, with a device ensuring at least part of the connections necessary for its operation.

Ces buts sont atteints selon l'invention par des canalisations rigides assemblées de manière à former un châssis autoportant d'interconnexion. Avantageusement, les canalisations rigides sont complétées et/ou prolongées par des conduites tubulaires flexibles au niveau des passages difficiles et/ou dans les zones soumises à des sollicitations sévères, notamment à des vibrations. Avantageusement, le châssis comporte des moyens de fixation des câbles électriques, des câbles à fibres optiques et/ou des faisceaux de câbles.These objects are achieved according to the invention by rigid pipes assembled so as to form a self-supporting interconnection frame. Advantageously, the rigid pipes are supplemented and / or extended by flexible tubular conduits at the level of the difficult passages and / or in the zones subjected to severe stresses, in particular to vibrations. Advantageously, the chassis comprises means for fixing electrical cables, optical fiber cables and / or cable bundles.

Avantageusement, le châssis comporte des moyens de fixation d'organes de mesure, de régulation et/ou de contrôle de flux des fluides.Advantageously, the chassis comprises means for fixing members for measuring, regulating and / or controlling the flow of fluids.

L'invention a principalement pour objet un châssis autoportant d'interconnexion pour moteur thermique de véhicules automobiles, caractérisé en ce qu'il comporte une pluralité de canalisations rigides allongées formant la structure du châssis et s'étendant jusqu'à la proximité des organes à interconnecter et en ce qu'il comporte des moyens de fixation sur le moteur.The invention mainly relates to a self-supporting interconnection chassis for a thermal engine of motor vehicles, characterized in that it comprises a plurality of elongated rigid pipes forming the structure of the chassis and extending to the proximity of the members to interconnect and in that it comprises means for fixing to the motor.

L'invention a également pour objet un châssis, caractérisé en ce qu'il comporte une boîte à eau incorporée.The invention also relates to a chassis, characterized in that it comprises an incorporated water box.

L'invention a également pour objet un châssis, caractérisé en ce que la boîte à eau comporte des moyens de connexion directe à la sortie et à l'entrée d'eau de refroidissement d'un moteur thermique.The invention also relates to a chassis, characterized in that the water box comprises means for direct connection to the outlet and to the inlet of cooling water from a heat engine.

L'invention a également pour objet un châssis, caractérisé en ce que la boîte à eau comporte une entrée d'eau chaude susceptible d'être connectée à la sortie de la pompe à eau d'un moteur thermique d'un véhicule automobile, reliée à une sortie d'eau chaude de la boîte à eau connectée à une canalisation conduisant à l'entrée d'eau chaude d'un radiateur et une entrée d'eau froide connectée à une canalisation d'eau refroidie par un radiateur, connectée à une sortie d'eau froide susceptible d'être reliée à l'entrée d'eau de refroidissement d'un moteur thermique de véhicules automobiles.The invention also relates to a chassis, characterized in that the water box has a hot water inlet capable of being connected to the outlet of the water pump of a heat engine of a motor vehicle, connected to a hot water outlet of the water box connected to a pipe leading to the hot water inlet of a radiator and a cold water inlet connected to a water pipe cooled by a radiator, connected to a cold water outlet capable of being connected to the cooling water inlet of a thermal engine of motor vehicles.

L'invention a également pour objet un châssis, caractérisé en ce qu'il comporte des moyens de maintien de câbles électriques ou optiques ou autre conduit de transfert de fluide.The invention also relates to a chassis, characterized in that it comprises means for holding electrical or optical cables or other fluid transfer conduit.

L'invention a également pour objet un châssis, caractérisé en ce qu'il comporte un vase d'expansion incorporé.The invention also relates to a chassis, characterized in that it comprises a built-in expansion vessel.

L'invention a également pour objet un châssis, caractérisé en ce qu'il comporte des conduites tubulaires flexibles, connectées aux canalisations rigides et assurant les connexions dans les zones soumises à des sollicitations sévères, dans les zones de connexion à des organes du moteur et/ou dans des zones correspondant à un parcours tourmenté ou difficile.The invention also relates to a chassis, characterized in that it comprises flexible tubular conduits, connected to the rigid pipes and ensuring the connections in the zones subjected to severe stresses, in the zones of connection to the engine components and / or in areas corresponding to a tormented or difficult course.

L'invention a également pour objet un châssis, caractérisé en ce que les extrémités des canalisations, notamment des conduites tubulaires flexibles, sont munies des dispositifs de connexion, notamment de raccords rapides.The invention also relates to a chassis, characterized in that the ends of the pipes, in particular flexible tubular conduits, are provided with connection devices, in particular with quick couplings.

L'invention a également pour objet un châssis, caractérisé en ce que les canalisations rigides sont réalisées d'une seule pièce par formage ou extrusion de matériaux plastiques.The invention also relates to a chassis, characterized in that the rigid pipes are made in one piece by forming or extruding plastic materials.

L'invention a également pour objet un châssis, caractérisé en ce que les canalisations rigides sont réalisées par assemblage de plusieurs pièces en matière plastique.The invention also relates to a chassis, characterized in that the rigid pipes are produced by assembling several pieces of plastic.

L'invention a également pour objet un bloc moteur, caractérisé en ce qu'il comporte un châssis selon l'invention.The invention also relates to an engine block, characterized in that it comprises a chassis according to the invention.

L'invention a également pour objet un bloc moteur, caractérisé en ce qu'il comporte un radiateur raccordé au moteur par des conduites tubulaires flexibles, et par des canalisations rigides, en ce que le moteur comporte un échangeur de chaleur connecté au circuit de refroidissement par l'intermédiaire des conduites tubulaires flexibles et des canalisations rigides, en ce qu'il comporte des conduites tubulaires flexibles et par des canalisations rigides de raccordement à l'aérotherme de chauffage de l'habitacle du véhicule ainsi qu'une canalisation rigide reliée à une conduite tubulaire flexible raccordée au répartiteur d'admission.The invention also relates to an engine block, characterized in that it comprises a radiator connected to the engine by flexible tubular conduits, and by rigid pipes, in that the engine comprises a heat exchanger connected to the cooling circuit by means of flexible tubular conduits and rigid pipes, in that it comprises flexible tubular conduits and by rigid pipes connecting to the air heater for heating the passenger compartment of the vehicle as well as a rigid pipe connected to a flexible tubular pipe connected to the intake manifold.

L'invention sera mieux comprise au moyen de la description ci-après et des figures annexées données comme un exemple non limitatif et sur lequel :

  • la figure 1a est une vue en perspective de trois-quarts avant et d'en haut de l'exemple préféré de réalisation du dispositif selon la présente invention ;
  • la figure 1b est une vue analogue d'un moteur équipé du dispositif de la figure 1a ;
  • la figure 2a est une vue en perspective de trois-quarts arrière et d'en bas du dispositif de la figure 1a ;
  • la figure 2b est une vue analogue à la figure 2a illustrant un moteur équipé d'un dispositif selon la présente invention.
The invention will be better understood by means of the description below and the appended figures given as a non-limiting example and in which:
  • Figure 1a is a perspective view from three-quarters front and from above of the preferred embodiment of the device according to the present invention;
  • Figure 1b is a similar view of an engine equipped with the device of Figure 1a;
  • Figure 2a is a perspective three-quarter rear view and from below of the device of Figure 1a;
  • Figure 2b is a view similar to Figure 2a illustrating an engine equipped with a device according to the present invention.

Sur les figures 1a à 2b, on a utilisé les mêmes références pour désigner les mêmes éléments.In FIGS. 1a to 2b, the same references have been used to designate the same elements.

Sur les figures, on peut voir l'exemple préféré de réalisation d'un châssis 1 selon l'invention comprenant une première branche 3 dont la longueur est sensiblement égale à la largeur d'un moteur 5 (figures 1 b et 2b), une deuxième branche 7 parallèle à la première branche 3 et dont la longueur est sensiblement égale à la moitié de la largeur du moteur 5, reliée par une troisième branche 9 orthogonale aux branches 3 et 7. La branche 9 porte une bride 13 de fixation du châssis 1 sur le moteur 5.In the figures, one can see the preferred embodiment of a chassis 1 according to the invention comprising a first branch 3 whose length is substantially equal to the width of a motor 5 (Figures 1b and 2b), a second branch 7 parallel to the first branch 3 and whose length is substantially equal to half the width of the motor 5, connected by a third branch 9 orthogonal to the branches 3 and 7. The branch 9 carries a flange 13 for fixing the chassis 1 on motor 5.

Le châssis 1 selon la présente invention est avantageusement réalisé en matière plastique, par exemple par extrusion soufflage ou rotomoulage. Avantageusement, le châssis 1 selon l'invention est réalisé par assemblage, notamment soudure ou collage, d'éléments obtenus par moulage, par injection, par extrusion ou par extrusion soufflage. Les pièces rigides sont avantageusement réalisées en matière plastique, bien que la mise en oeuvre de châssis métalliques ou autres ne sort pas du cadre de la présente invention. Les conduites tubulaires flexibles sont réalisées en matière plastique ou avantageusement en élastomère. La fixation de conduites tubulaires flexibles sur les canalisations rigides est avantageusement effectuée par surmoulage d'un bracelet plastique ou par la mise en place d'un collier, connecteur rapide ou autre. Avantageusement, les extrémités des canalisations tubulaires flexibles opposées à celles connectées aux canalisations rigides du châssis sont munies de raccords rapides. Le châssis selon l'invention peut être muni de moyens pour absorber les vibrations, des blindages électromagnétiques disposés à proximité de sources de perturbation électromagnétiques, autour des câbles de transmission de signal, et des moyens d'isolation thermiques disposés à proximité des sources de chaleur, autour des câbles de transmission de signal ou de canalisations.The frame 1 according to the present invention is advantageously made of plastic, for example by blow molding or rotational molding. Advantageously, the frame 1 according to the invention is produced by assembling, in particular welding or gluing, of elements obtained by molding, by injection, by extrusion or by blow molding. The rigid parts are advantageously made of plastic, although the implementation of metal or other frames does not depart from the scope of the present invention. The flexible tubular conduits are made of plastic or advantageously of elastomer. The fixing of flexible tubular conduits on rigid pipes is advantageously carried out by overmolding of a plastic strap or by the installation of a collar, quick connector or the like. Advantageously, the the ends of the flexible tubular pipes opposite those connected to the rigid pipes of the chassis are provided with quick couplings. The chassis according to the invention can be provided with means for absorbing vibrations, electromagnetic shielding arranged near sources of electromagnetic disturbance, around the signal transmission cables, and thermal insulation means arranged near the heat sources. , around signal transmission cables or pipes.

Le châssis 1 comporte des moyens 15 de fixation des câbles électriques 19.The chassis 1 comprises means 15 for fixing the electric cables 19.

La configuration du châssis selon la présente invention est fonction du moteur 5 à équiper et notamment du dispositif des divers organes et des diverses entrées et sorties de fluide du moteur.The configuration of the chassis according to the present invention depends on the engine 5 to be fitted and in particular on the device of the various members and of the various inlets and outlets of engine fluid.

Dans l'exemple illustré sur les figures 1b et 2b, la sortie de pompe du moteur 5 est raccordée à un boîtier d'entrée de répartition et de sortie d'eau 21 incorporé au châssis selon la présente invention, au niveau de l'élément de fixation 13. Le boîtier 21 assure avantageusement la distribution de l'eau chaude provenant du moteur 5 et/ou de l'eau refroidie dans un radiateur 25. Dans l'exemple illustré, une canalisation rigide 16.1, prolongée par une conduite tubulaire flexible 17.1 elle-même terminée par un raccord rapide 23.1, relie une entrée d'eau froide de la boîte 21 à la sortie d'eau froide du radiateur 25. Une canalisation 16.4, prolongée par une conduite tubulaire 17.4 elle-même terminée par un raccord rapide 23.4, relie la sortie d'eau chaude de la boîte à eau 21 à l'entrée d'eau chaude du radiateur 25. Une dérivation 16.31 de la canalisation 16.4 est reliée par une conduite tubulaire flexible 17.31, une canalisation rigide 16.3 et une conduite tubulaire flexible 17.3 elle-même terminée par un raccord rapide 23.3 à la sortie d'un échangeur de chaleur 27 de refroidissement de l'huile moteur. L'entrée de l'échangeur de chaleur 27 est raccordée par une conduite tubulaire flexible 17.2 terminée par un raccord rapide 23.2 à une dérivation 16.2 de la canalisation 16.1. Un aérotherme de chauffage de l'habitacle du véhicule est alimenté par une canalisation 16.5 reliant la boîte à eau 21 à une conduite tubulaire flexible 17.5 terminée par un raccord rapide 23.5. Le retour de l'eau de l'aérotherme vers la boîte à eau 21 s'effectue par le raccord rapide 23.6, la conduite tubulaire 17.6 et la canalisation rigide 16.6. Une canalisation 16.7, terminée par une conduite tubulaire flexible 17.7, relie la boîte 21 au répartiteur d'admission du moteur du véhicule. Il est à noter que les conduites tubulaires flexibles 17.1 à 17.7 facilitent la connexion et le montage, évitent de transmettre les sollicitations, notamment les vibrations, facilitent le passage dans des zones difficilement accessibles ou tourmentées. Avantageusement, les canalisations 16.1 à 16.7 ont une section rectangulaire optimisant la rigidité du châssis selon la présente invention. Toutefois, il est bien entendu que la mise en oeuvre des canalisations présentant d'autres géométries, notamment une section différente, ne sort pas du cadre de la présente invention. Avantageusement, les conduites tubulaires flexibles 16.1 à 16.7 ont une section circulaire. Avantageusement, les canalisations rigides comportent des zones de transition de section circulaire facilitant le montage de conduites tubulaires flexibles.In the example illustrated in FIGS. 1b and 2b, the pump outlet of the motor 5 is connected to a distribution inlet and outlet outlet housing 21 incorporated in the chassis according to the present invention, at the level of the element. fixing 13. The housing 21 advantageously ensures the distribution of hot water from the engine 5 and / or the cooled water in a radiator 25. In the example illustrated, a rigid pipe 16.1, extended by a flexible tubular pipe 17.1 itself terminated by a quick connector 23.1, connects a cold water inlet of the box 21 to the cold water outlet of the radiator 25. A pipe 16.4, extended by a tubular pipe 17.4 itself terminated by a connector rapid 23.4, connects the hot water outlet of the water box 21 to the hot water inlet of the radiator 25. A branch 16.31 of the pipe 16.4 is connected by a flexible tubular pipe 17.31, a rigid pipe 16.3 and a tubular pipe the flexible area 17.3 itself terminated by a quick coupling 23.3 at the outlet of a heat exchanger 27 for cooling the engine oil. The inlet of the heat exchanger 27 is connected by a flexible tubular pipe 17.2 terminated by a quick connector 23.2 to a branch 16.2 of the pipe 16.1. A heater for heating the passenger compartment of the vehicle is supplied by a pipe 16.5 connecting the water box 21 to a flexible tubular pipe 17.5 terminated by a quick connector 23.5. The return of water from the heater to the water box 21 takes place via the quick connector 23.6, the tubular pipe 17.6 and the rigid pipe 16.6. A pipe 16.7, terminated by a flexible tubular pipe 17.7, connects the box 21 to the vehicle engine intake manifold. It should be noted that the flexible tubular conduits 17.1 to 17.7 facilitate connection and assembly, avoid transmitting stresses, in particular vibrations, facilitate passage through difficult to access or tormented areas. Advantageously, the pipes 16.1 to 16.7 have a rectangular section optimizing the rigidity of the chassis according to the present invention. However, it is understood that the implementation of pipes having other geometries, in particular a different section, does not depart from the scope of the present invention. Advantageously, the flexible tubular conduits 16.1 to 16.7 have a circular section. Advantageously, the rigid pipes comprise transition zones of circular section facilitating the mounting of flexible tubular conduits.

Avantageusement, le châssis 1 selon la présente invention comporte un vase d'expansion intégré 29.Advantageously, the chassis 1 according to the present invention comprises an integrated expansion tank 29.

Le châssis selon la présente invention permet le passage des câbles nécessaires au fonctionnement du moteur, par exemple des câbles reliant le système d'allumage aux bougies du moteur, le câble reliant les générateurs électriques au système d'allumage et au démarreur. Le châssis selon la présente invention permet également de faire passer des câbles électriques ou optiques d'interconnexion du moteur avec d'autres organes du véhicule, par exemple les câbles reliant les divers capteurs de détection du bon fonctionnement du moteur au tableau de bord du véhicule.The chassis according to the present invention allows the passage of the cables necessary for the operation of the engine, for example cables connecting the ignition system to the spark plugs of the engine, the cable connecting the electric generators to the ignition system and to the starter. The chassis according to the present invention also makes it possible to pass electrical or optical cables for interconnecting the engine with other components of the vehicle, for example the cables connecting the various sensors for detecting the proper functioning of the engine to the dashboard of the vehicle. .

La présente invention s'applique principalement à l'industrie automobile.The present invention applies mainly to the automotive industry.

Claims (12)

Châssis autoportant d'interconnexion pour moteur thermique (5) de véhicules automobiles, caractérisé en ce qu'il comporte une pluralité de canalisations rigides allongées (17) formant la structure du châssis et s'étendant jusqu'à la proximité des organes à interconnecter et en ce qu'il comporte des moyens (11) de fixation sur le moteur (5).Self-supporting interconnection chassis for a heat engine (5) of motor vehicles, characterized in that it comprises a plurality of elongated rigid pipes (17) forming the structure of the chassis and extending to the proximity of the members to be interconnected and in that it comprises means (11) for fixing to the motor (5). Châssis selon la revendication 1, caractérisé en ce qu'il comporte une boîte à eau (21) incorporée.Chassis according to claim 1, characterized in that it comprises a water box (21) incorporated. Châssis selon la revendication 2, caractérisé en ce que la boîte à eau (21) comporte des moyens (13) de connexion directe à la sortie et à l'entrée d'eau de refroidissement d'un moteur thermique.Chassis according to claim 2, characterized in that the water box (21) comprises means (13) for direct connection to the outlet and to the inlet of cooling water from a heat engine. Châssis selon la revendication 2 ou 3, caractérisé en ce que la boîte à eau (21) comporte une entrée d'eau chaude susceptible d'être connectée à la sortie de la pompe à eau d'un moteur thermique d'un véhicule automobile, reliée à une sortie d'eau chaude de la boîte à eau connectée à une canalisation conduisant à l'entrée d'eau chaude d'un radiateur (25) et une entrée d'eau froide connectée à une canalisation d'eau refroidie par un radiateur (25), connectée à une sortie d'eau froide susceptible d'être reliée à l'entrée d'eau de refroidissement d'un moteur thermique de véhicules automobiles.Chassis according to claim 2 or 3, characterized in that the water box (21) has a hot water inlet capable of being connected to the outlet of the water pump of a heat engine of a motor vehicle, connected to a hot water outlet of the water box connected to a pipe leading to the hot water inlet of a radiator (25) and a cold water inlet connected to a water pipe cooled by a radiator (25), connected to a cold water outlet capable of being connected to the cooling water inlet of a thermal engine of motor vehicles. Châssis selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comporte des moyens (15) de maintien de câbles électriques ou optiques (19) ou autre conduit de transfert de fluide.Chassis according to any one of the preceding claims, characterized in that it comprises means (15) for holding electrical or optical cables (19) or other fluid transfer conduit. Châssis selon l'une quelconque des revendications prédédentes, caractérisé en ce qu'il comporte un vase d'expansion (29) incorporé.Chassis according to any one of the preceding claims, characterized in that it includes a built-in expansion tank (29). Châssis selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comporte des conduites tubulaires flexibles (17.1 à 17.7), connectées aux canalisations rigides (16.1 à 16.7) et assurant les connexions dans les zones soumises à des sollicitations sévères, dans les zones de connexion à des organes du moteur et/ou dans des zones correspondant à un parcours tourmenté ou difficile.Chassis according to any one of the preceding claims, characterized in that it comprises flexible tubular conduits (17.1 to 17.7), connected to the rigid pipes (16.1 to 16.7) and ensuring the connections in the areas subjected to severe stresses, in areas of connection to engine components and / or in areas corresponding to a tormented or difficult route. Châssis selon la revendication 7, caractérisé en ce que les extrémités des canalisations (17), notamment des conduites tubulaires flexibles, sont munies des dispositifs de connexion, notamment de raccords rapides (23).Chassis according to claim 7, characterized in that the ends of the pipes (17), in particular flexible tubular conduits, are provided with connection devices, in particular with quick couplings (23). Châssis selon l'une quelconque des revendications précédentes, caractérisé en ce que les canalisations rigides (16.1 à 16.7) sont réalisées d'une seule pièce par formage ou extrusion de matériaux plastiques.Chassis according to any one of the preceding claims, characterized in that the rigid pipes (16.1 to 16.7) are made in one piece by forming or extruding plastic materials. Châssis selon l'une quelconque des revendications précédentes, caractérisé en ce que les canalisations rigides (16.1 à 16.7) sont réalisées par assemblage de plusieurs pièces en matière plastique.Chassis according to any one of the preceding claims, characterized in that the rigid pipes (16.1 to 16.7) are produced by assembling several plastic parts. Bloc moteur, caractérisé en ce qu'il comporte un châssis selon l'une quelconque des revendications précédentes.Engine block, characterized in that it comprises a chassis according to any one of the preceding claims. Bloc moteur selon la revendication 11, caractérisé en ce qu'il comporte un radiateur (25) raccordé au moteur par des conduites tubulaires flexibles (17.1, 17.4), et par des canalisations rigides (16.1, 16.4), en ce que le moteur comporte un échangeur de chaleur (27) connecté au circuit de refroidissement par l'intermédiaire des conduites tubulaires flexibles (17.2, 17.3, 17.31) et des canalisations rigides (16.3, 16.31, 16.2), en ce qu'il comporte des conduites tubulaires flexibles (17.5, 17.6) et par des canalisations rigides (16.5, 16.6) de raccordement à l'aérotherme de chauffage de l'habitacle du véhicule ainsi qu'une canalisation rigide (16.7) reliée à une conduite tubulaire flexible (17.7) raccordée au répartiteur d'admission.Engine block according to claim 11, characterized in that it comprises a radiator (25) connected to the engine by flexible tubular conduits (17.1, 17.4), and by rigid pipes (16.1, 16.4), in that the engine comprises a heat exchanger (27) connected to the cooling circuit via flexible tubular conduits (17.2, 17.3, 17.31) and rigid pipes (16.3, 16.31, 16.2), in that it comprises flexible tubular conduits ( 17.5, 17.6) and by rigid pipes (16.5, 16.6) for connection to the air heater for heating the passenger compartment of the vehicle as well as a rigid pipe (16.7) connected to a flexible tubular pipe (17.7) connected to the distributor 'admission.
EP96401927A 1995-09-15 1996-09-10 Connection device for an internal combustion engine Expired - Lifetime EP0768453B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR9510829 1995-09-15
FR9510829A FR2738873B1 (en) 1995-09-15 1995-09-15 DEVICE FOR INTERCONNECTING FLUID TRANSFER FUNCTIONS FOR ENGINES
FR9511387A FR2738786B1 (en) 1995-09-15 1995-09-28 CONNECTION DEVICE FOR A HEAT ENGINE
FR9511387 1995-09-28

Publications (2)

Publication Number Publication Date
EP0768453A1 true EP0768453A1 (en) 1997-04-16
EP0768453B1 EP0768453B1 (en) 2002-02-27

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EP96401927A Expired - Lifetime EP0768453B1 (en) 1995-09-15 1996-09-10 Connection device for an internal combustion engine

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US (1) US5755189A (en)
EP (1) EP0768453B1 (en)
JP (1) JP3831458B2 (en)
DE (1) DE69619457T2 (en)
FR (1) FR2738786B1 (en)

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Publication number Priority date Publication date Assignee Title
DE19802492C1 (en) * 1998-01-23 1999-04-15 Mc Micro Compact Car Ag Heater-Cooler for motor vehicle
DE19935422A1 (en) * 1999-07-28 2001-02-01 Daimler Chrysler Ag Generation of electrical line structure with cable bundles, using design for mechanical construction portrayed by data-processing installation and adding on connection plan of electrical system
US6749007B2 (en) 2000-08-25 2004-06-15 Modine Manufacturing Company Compact cooling system with similar flow paths for multiple heat exchangers
FR2842250B1 (en) * 2002-07-12 2004-09-24 Mark Iv Systemes Moteurs Sa MODULE FOR COOLING CIRCUIT AND CIRCUIT COMPRISING SUCH A MODULE
JP2006151131A (en) * 2004-11-26 2006-06-15 Yamaha Motor Co Ltd Vehicle
FR3044048B1 (en) * 2015-11-20 2020-01-17 Renault S.A.S. IMPROVED AIR DISTRIBUTOR OF A VEHICLE

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FR874337A (en) * 1940-07-30 1942-08-04 Messerschmitt Boelkow Blohm Cooling circuit with choke points
CH356312A (en) * 1957-12-24 1961-08-15 Saurer Ag Adolph Multi-cylinder internal combustion engine with a laterally arranged cooling water distribution pipe
GB2249347A (en) * 1990-10-31 1992-05-06 Suzuki Motor Co V i.c. engine cooling water pipe arrangement

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Publication number Priority date Publication date Assignee Title
FR874337A (en) * 1940-07-30 1942-08-04 Messerschmitt Boelkow Blohm Cooling circuit with choke points
CH356312A (en) * 1957-12-24 1961-08-15 Saurer Ag Adolph Multi-cylinder internal combustion engine with a laterally arranged cooling water distribution pipe
GB2249347A (en) * 1990-10-31 1992-05-06 Suzuki Motor Co V i.c. engine cooling water pipe arrangement

Also Published As

Publication number Publication date
FR2738786B1 (en) 1997-11-21
FR2738786A1 (en) 1997-03-21
JP3831458B2 (en) 2006-10-11
EP0768453B1 (en) 2002-02-27
JPH09119592A (en) 1997-05-06
DE69619457T2 (en) 2002-10-10
DE69619457D1 (en) 2002-04-04
US5755189A (en) 1998-05-26

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