EP0987429B1 - Integrated intake manifold / throttle valve body - Google Patents

Integrated intake manifold / throttle valve body Download PDF

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Publication number
EP0987429B1
EP0987429B1 EP99440243A EP99440243A EP0987429B1 EP 0987429 B1 EP0987429 B1 EP 0987429B1 EP 99440243 A EP99440243 A EP 99440243A EP 99440243 A EP99440243 A EP 99440243A EP 0987429 B1 EP0987429 B1 EP 0987429B1
Authority
EP
European Patent Office
Prior art keywords
intake manifold
annular body
end piece
ring
supply end
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99440243A
Other languages
German (de)
French (fr)
Other versions
EP0987429A1 (en
Inventor
Jean-Paul Vaudry
Michael Kochs
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.)
Sogefi Air and Cooling SAS
Original Assignee
Mark IV Systemes Moteurs SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mark IV Systemes Moteurs SAS filed Critical Mark IV Systemes Moteurs SAS
Publication of EP0987429A1 publication Critical patent/EP0987429A1/en
Application granted granted Critical
Publication of EP0987429B1 publication Critical patent/EP0987429B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F02M35/112—Intake manifolds for engines with cylinders all in one line
    • 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
    • F02M35/10026—Plenum chambers
    • F02M35/10032—Plenum chambers specially shaped or arranged connecting duct between carburettor or air inlet duct and the plenum chamber; specially positioned carburettors or throttle bodies with respect to the plenum chamber
    • 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
    • F02M35/10026—Plenum chambers
    • F02M35/10052—Plenum chambers special shapes or arrangements of plenum chambers; Constructional details
    • 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
    • F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
    • F02M35/10222—Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
    • 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
    • F02M35/10255—Arrangements of valves; Multi-way valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/1035—Details of the valve housing
    • F02D9/105—Details of the valve housing having a throttle position sensor
    • 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
    • F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
    • F02M35/10111—Substantially V-, C- or U-shaped ducts in direction of the flow path
    • 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
    • F02M35/10314—Materials for intake systems
    • F02M35/10321—Plastics; Composites; Rubbers
    • 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
    • F02M35/10314—Materials for intake systems
    • F02M35/10327—Metals; Alloys
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00—Metals
    • F05C2201/02—Light metals
    • F05C2201/021—Aluminium

Definitions

  • the present invention relates to the field of motor vehicles thermal, more particularly of automobiles, and relates to a set integrated intake manifold / throttle body for vehicles of the aforementioned type.
  • the intake manifold or air distributor and the throttle body or throttle body form two distinct structural units, the output of the throttle body being connected to the inlet opening or supply fresh air from the intake manifold through a portion of duct or connecting tube, ensuring, if necessary, also the mounting and fixing of said throttle body.
  • the constitution in two structural entities results in a significant bulk, especially in the direction of alignment of the two entities, creates a zone of mechanical weakness (connection between the two entities), which can become critical given the vibrational environment in particular, generates several dispersed sealing zones, subject to constraints mechanical, and requires separate management and supply for each of the two entities.
  • US-A-5 341 773 shows an intake manifold / throttle body assembly for a vehicle heat engine according to the preamble of claim 1.
  • the throttle body is extended by a portion of conduit made in one piece with it and which fits into a mouth of duct connected to the intake manifold.
  • Said butterfly housing is fixed on said mouth by through a direct mechanical connection.
  • the present invention aims to achieve an intake manifold / housing assembly improved butterfly compact and optimized in terms of sealing and mechanical resistance.
  • the assembly intake manifold / throttle body for vehicle with internal combustion engine produced by adding a module 2 for adjusting the passage section at the level of the opening 3 for supplying fresh air to the intake manifold 1 concerned, so as to form an integrated intake manifold / throttle body assembly.
  • the module adjustment 2 is advantageously constituted by an annular body 4 receiving a butterfly 5 mounted on a pivot axis 5 'connected to means 6, 7, 8, 9 of command and control of the rotational position of said axis 5 ', external to said annular body 4, the latter being at least partially fitted into a extension 10 in the form of a nozzle of the body of the intake manifold 1 to level of its fresh air supply opening 3 connected in particular to the air filter.
  • the means of command and control may consist, for example example, as shown in Figures 1 to 3, 5 and 7 of the accompanying drawings, in one valve or a control sector 6 fixedly mounted on the pivot axis 5 'and connected for its drive to the accelerator pedal, in a spring of reminder 7 urging the throttle valve 5 to its minimum open position, in one idle stop 8 defining said minimum throttle opening position 5 and in a potentiometer 9 delivering a signal or potential corresponding to the value angle of rotation of the throttle valve 5, signal or potential to the management computer of the engine operation.
  • the adjustment module 2 can be ordered mechanically (e.g. via control sector 6) or electrically (for example via a motor electric step by step).
  • the annular body 4 may include a surplus of material or a specific form of machining in line with the said pivot axis 5 '.
  • the butterfly 5 itself may have a uneven conformation, especially of different thicknesses in sections transverse or an uneven periphery, depending on the part of the butterfly concerned.
  • said adjustment module 2 is advantageously immobilized in rotation relative to the intake manifold 1 by receiving external portions of the pivot axis 5 ′, or bearings of guide 5 "of said axis 5 ', in opposite cutouts 10' made in the end piece feed 10 extending outward from the feed opening 3, the fitting of the annular body 4 into said feed nozzle 10 being blocked and locked by means of an attached ring 11 secured to the body of the intake manifold 1 or said supply nozzle 10.
  • the seal between the annular body 4 of the adjustment module 2 and the body of the intake manifold 1 is produced by the interposition of a seal compression 12 between an external circumferential offset 4 ′ of the body ring 4 and an internal circumferential 10 "offset from the end piece supply 10, of complementary shapes, said seal 12 being compressed during of the fitting of said annular body 4 of the adjustment module 2 in said power nozzle 10.
  • the locking ring 11 to be secured so as to exert a constant pressure on the annular body 4 towards the socket, the areas of the surfaces in contact with the ring 11 and the body 4 being sealed, by example, via an O-ring partially housed in a groove circumferential formed in the locking ring 11 (see Figure 4).
  • Seals in particular the aforementioned O-ring and the seal 12, can either consist of independent elements reported, either in overmolded parts on one of the parts in contact (module or collector).
  • the locking ring 11 comprises a portion of tube 13 emerging at its internal wall and extending outward, if necessary formed integrally with it, said tube portion 13 being intended to be connected to or to receive an air valve additional 14 to form a branch circuit opening into the collector admission 1.
  • the additional air valve 14 or at least the body of the latter, possibly extended by a portion of conduit opening into the intake manifold 1, may, if necessary, be made in one piece with the intake manifold 1, which will result in mechanical strength and optimized sealing ( Figures 8 and 9).
  • On the locking ring 11 can be mounted the supply duct air connected to the outlet of the air filter module or unit.
  • the locking ring 11 can be extended by a supply duct air 11 ′ made in one piece with said locking ring 11 so as to form a single piece (the locking ring 11 then constituting the end of fixing of the conduit 11 ') and connected at its opposite end to the output of the module of air filter (see fig. 1 of the attached drawings).
  • connection of the ring blocking 11 with the intake manifold 1 is made by means of lugs elastic peripheral attachment 15 formed on the locking ring 11 and engaging by engagement with external protruding recesses 16 correspondents trained on the feed nozzle 10.
  • the locking ring 11 is provided with projecting parts peripherals 17 in the form of ears, perforated or not, and the feed endpiece 10 is provided with corresponding peripheral bosses 18, perforated or not, of so as to allow their assembly by screws 19, self-tapping or not.
  • the intake manifold 1 is generally made in one thermoplastic material
  • the adjustment module 2 can be produced, as far as relates to its structural parts (in particular the annular body 4), or in one thermoplastic or thermosetting material, either aluminum.
  • the adjustment module as well as the valve additional air, will be positioned in an area outside the low point, in order to avoid problems with condensates and gels.
  • the throttle body is directly mounted in a extension in one piece of the body of the collector, without using any connecting means (screws or the like), nor of attachment means, thus being actually integrated into it and not visible. It is locked in position by nesting at its axis or its rotational bearings in cutouts corresponding to said extension, being locked in position by tightening at by means of a fixing ring.
  • the attachment of the butterfly housing with the collector intervenes without direct mechanical fixing on the latter, but by blocking in position by clamping, also allowing compression sealing.
  • branch circuit 13, 14 is at least partially formed integrally with the manifold body and / or the clamping ring.
  • the adjustment module 2 fulfilling the functions of the housing butterfly has a simplified structure with a number of constituent elements restricted, for which the use of materials other than thermoplastics may be strongly limited.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Characterised By The Charging Evacuation (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Abstract

The assembly consists of an inlet manifold (1) and a throttle valve (5) and incorporates a regulating module (2) for its through section in line with the manifold air feed port. The module comprises an annular housing for the valve flap, mounted on a spindle (5') connected to a control system situated outside the housing. The module is prevented from rotating relative to the manifold by having the outer ends of its spindle or bearings engaging with matching recesses in the end of a manifold feed attachment (10), and is sealed by a compression joint (12).

Description

La présente invention concerne le domaine des véhicules à moteur thermique, plus particulièrement des automobiles, et a pour objet un ensemble intégré collecteur d'admission / boítier papillon pour des véhicules du type précité.The present invention relates to the field of motor vehicles thermal, more particularly of automobiles, and relates to a set integrated intake manifold / throttle body for vehicles of the aforementioned type.

Actuellement, le collecteur d'admission ou répartiteur d'air et le boítier papillon ou boítier d'étrangleur forment deux unités structurelles distinctes, la sortie du boítier papillon étant reliée à l'ouverture d'entrée ou d'alimentation en air frais du collecteur d'admission par une portion de conduit ou de tube de liaison, assurant, le cas échéant, également le montage et la fixation dudit boítier papillon.Currently, the intake manifold or air distributor and the throttle body or throttle body form two distinct structural units, the output of the throttle body being connected to the inlet opening or supply fresh air from the intake manifold through a portion of duct or connecting tube, ensuring, if necessary, also the mounting and fixing of said throttle body.

Toutefois, la constitution actuelle précitée présente divers inconvénients que les constructeurs et les utilisateurs souhaiteraient voir disparaítre.However, the aforementioned current constitution presents various disadvantages that manufacturers and users would like to see disappear.

Ainsi, la constitution en deux entités structurelles résulte en un encombrement important, notamment dans la direction de l'alignement des deux entités, crée une zone d'affaiblissement mécanique (raccord entre les deux entités), qui peut devenir critique compte tenu de l'environnement vibratoire notamment, engendre plusieurs zones d'étanchéité dispersées, soumises à des contraintes mécaniques, et nécessite une gestion et un approvisionnement séparés pour chacune des deux entités.Thus, the constitution in two structural entities results in a significant bulk, especially in the direction of alignment of the two entities, creates a zone of mechanical weakness (connection between the two entities), which can become critical given the vibrational environment in particular, generates several dispersed sealing zones, subject to constraints mechanical, and requires separate management and supply for each of the two entities.

US-A-5 341 773 montre un ensemble collecteur d'admission / boítier papillon pour véhicule à moteur thermique selon le préambule de la revendication 1. Le boítier papillon est prolongé par une portion de conduit réalisée d'un seul tenant avec lui et qui s'emboíte dans une embouchure de conduit reliée au collecteur d'admission. Ledit boítier papillon est fixé sur ladite embouchure par l'intermédiaire d'une liaison mécanique directe.US-A-5 341 773 shows an intake manifold / throttle body assembly for a vehicle heat engine according to the preamble of claim 1. The throttle body is extended by a portion of conduit made in one piece with it and which fits into a mouth of duct connected to the intake manifold. Said butterfly housing is fixed on said mouth by through a direct mechanical connection.

La présente invention a pour objet de réaliser un ensemble collecteur d'admission / boítier papillon perfectionné compacte et optimisé en termes d'étanchéité et de résistance mécanique.The present invention aims to achieve an intake manifold / housing assembly improved butterfly compact and optimized in terms of sealing and mechanical resistance.

Ce but est atteint par un ensemble collecteur d'admission / boítier papillon selon la revendication 1.This object is achieved by an intake manifold / throttle body assembly according to claim 1.

L'invention sera mieux comprise, grâce à la description ci-après, qui se rapporte à des modes de réalisation préférés, donnés à titre d'exemples non limitatifs, et expliqués avec référence aux dessins schématiques annexés, dans lesquels :

  • la figure 1 est une vue en perspective d'un ensemble intégré collecteur d'admission / boítier papillon conforme à l'invention et solidaire d'un conduit d'amenée d'air;
  • la figure 2 est une vue en perspective de l'ensemble conforme à l'invention selon un premier mode de réalisation;
  • la figure 3 est une vue en perspective de l'ensemble conforme à l'invention selon un deuxième mode de réalisation;
  • la figure 4 est une vue en élévation latérale et en coupe longitudinale de l'ensemble représenté sur la figure 2;
  • la figure 5 est une vue en élévation frontale partielle suivant la direction D de l'ensemble représenté sur la figure 4;
  • la figure 6 est une vue en coupe selon A-A de l'ensemble représenté sur la figure 5;
  • la figure 7 est une vue en élévation frontale d'un module de réglage faisant partie de l'ensemble selon l'invention ;
  • la figure 8 est une vue en perspective d'un collecteur d'admission faisant partie de l'ensemble selon l'invention ;
  • la figure 9 est une vue en perspective de l'ensemble conforme à l'invention selon un troisième mode de réalisation, et,
  • la figure 10 est une vue en coupe longitudinale d'une portion d'un circuit de dérivation destinée à recevoir une vanne d'air additionnel (représentée en traits interrompus)
    • The invention will be better understood from the following description, which relates to preferred embodiments, given by way of nonlimiting examples, and explained with reference to the appended schematic drawings, in which:
  • Figure 1 is a perspective view of an integrated intake manifold / throttle body according to the invention and secured to an air supply duct;
  • Figure 2 is a perspective view of the assembly according to the invention according to a first embodiment;
  • Figure 3 is a perspective view of the assembly according to the invention according to a second embodiment;
  • Figure 4 is a side elevational view in longitudinal section of the assembly shown in Figure 2;
  • Figure 5 is a partial front elevation view in the direction D of the assembly shown in Figure 4;
  • Figure 6 is a sectional view along AA of the assembly shown in Figure 5;
  • Figure 7 is a front elevational view of an adjustment module forming part of the assembly according to the invention;
  • Figure 8 is a perspective view of an intake manifold forming part of the assembly according to the invention;
  • FIG. 9 is a perspective view of the assembly according to the invention according to a third embodiment, and,
  • Figure 10 is a longitudinal sectional view of a portion of a bypass circuit for receiving an additional air valve (shown in broken lines)

    • Comme le montrent les figures 1 à 6 des dessins annexés, l'ensemble collecteur d'admission / boítier papillon pour véhicule à moteur thermique est réalisé en rapportant un module 2 de réglage de la section de passage au niveau de l'ouverture 3 d'alimentation en air frais du collecteur d'admission 1 concerné, de manière à former un ensemble intégré collecteur d'admission / boítier papillon.As shown in Figures 1 to 6 of the accompanying drawings, the assembly intake manifold / throttle body for vehicle with internal combustion engine produced by adding a module 2 for adjusting the passage section at the level of the opening 3 for supplying fresh air to the intake manifold 1 concerned, so as to form an integrated intake manifold / throttle body assembly.

    Selon une première caractéristique de l'invention, le module de réglage 2 est avantageusement constitué par un corps annulaire 4 recevant un papillon 5 monté sur un axe de pivotement 5' relié à des moyens 6, 7, 8, 9 de commande et de contrôle de la position en rotation dudit axe 5', extérieurs audit corps annulaire 4, ce dernier étant au moins partiellement emboíté dans un prolongement 10 en forme d'embout du corps du collecteur d'admission 1 au niveau de son ouverture 3 d'alimentation en air frais reliée notamment à l'unité de filtre à air.According to a first characteristic of the invention, the module adjustment 2 is advantageously constituted by an annular body 4 receiving a butterfly 5 mounted on a pivot axis 5 'connected to means 6, 7, 8, 9 of command and control of the rotational position of said axis 5 ', external to said annular body 4, the latter being at least partially fitted into a extension 10 in the form of a nozzle of the body of the intake manifold 1 to level of its fresh air supply opening 3 connected in particular to the air filter.

    Les moyens de commande et de contrôle peuvent consister, par exemple, comme le montrent les figures 1 à 3, 5 et 7 des dessins annexés, en une vanne ou un secteur de commande 6 monté(e) fixe sur l'axe de pivotement 5' et relié(e), en vue de son entraínement, à la pédale d'accélération, en un ressort de rappel 7 sollicitant le papillon 5 vers sa position d'ouverture minimale, en une butée de ralenti 8 définissant ladite position d'ouverture minimale du papillon 5 et en un potentiomètre 9 délivrant un signal ou potentiel correspondant à la valeur angulaire de rotation du papillon 5, signal ou potentiel au calculateur de gestion du fonctionnement du moteur.The means of command and control may consist, for example example, as shown in Figures 1 to 3, 5 and 7 of the accompanying drawings, in one valve or a control sector 6 fixedly mounted on the pivot axis 5 'and connected for its drive to the accelerator pedal, in a spring of reminder 7 urging the throttle valve 5 to its minimum open position, in one idle stop 8 defining said minimum throttle opening position 5 and in a potentiometer 9 delivering a signal or potential corresponding to the value angle of rotation of the throttle valve 5, signal or potential to the management computer of the engine operation.

    De manière générale, le module 2 de réglage pourra être commandé de manière mécanique (par exemple par l'intermédiaire de secteur de commande 6) ou de manière électrique (par exemple par l'intermédiaire d'un moteur électrique pas à pas).In general, the adjustment module 2 can be ordered mechanically (e.g. via control sector 6) or electrically (for example via a motor electric step by step).

    Pour réaliser une variation progressive (proportionnelle ou non) du débit d'air traversant le module 2 de réglage lors de l'ouverture et de la fermeture du papillon 5 par pivotement autour de son axe 5', le corps annulaire 4 pourra comporter un surplus de matière ou un usinage de forme spécifique au droit dudit axe de pivotement 5'. Par ailleurs, le papillon 5 lui-même pourra présenter une conformation inégale, notamment des épaisseurs différentes en coupes transversales ou un pourtour inégal, fonction de la partie du papillon 5 concerné.To achieve a gradual variation (proportional or not) of the air flow through the adjustment module 2 during opening and closing of the butterfly 5 by pivoting about its axis 5 ', the annular body 4 may include a surplus of material or a specific form of machining in line with the said pivot axis 5 '. Furthermore, the butterfly 5 itself may have a uneven conformation, especially of different thicknesses in sections transverse or an uneven periphery, depending on the part of the butterfly concerned.

    En vue d'assurer un montage rigide et solide du module de réglage 2 dans et sur le collecteur d'admission 1, ledit module de réglage 2 est avantageusement immobilisé en rotation par rapport au collecteur d'admission 1 par réception de portions externes de l'axe de pivotement 5', ou des paliers de guidage 5" dudit axe 5', dans des découpes opposées 10' ménagées dans l'embout d'alimentation 10 s'étendant vers l'extérieur depuis l'ouverture d'alimentation 3, l'emboítement du corps annulaire 4 dans ledit embout d'alimentation 10 étant bloqué et verrouillé au moyen d'une bague rapportée 11 solidarisée au corps du collecteur d'admission 1 ou audit embout d'alimentation 10.To ensure rigid and solid mounting of the adjustment module 2 in and on the intake manifold 1, said adjustment module 2 is advantageously immobilized in rotation relative to the intake manifold 1 by receiving external portions of the pivot axis 5 ′, or bearings of guide 5 "of said axis 5 ', in opposite cutouts 10' made in the end piece feed 10 extending outward from the feed opening 3, the fitting of the annular body 4 into said feed nozzle 10 being blocked and locked by means of an attached ring 11 secured to the body of the intake manifold 1 or said supply nozzle 10.

    En outre, l'étanchéité entre le corps annulaire 4 du module de réglage 2 et le corps du collecteur d'admission 1 est réalisée par l'interposition d'un joint de compression 12 entre un décrochement circonférentiel externe 4' du corps annulaire 4 et un décrochement circonférentiel interne 10" de l'embout d'alimentation 10, de formes complémentaires, ledit joint 12 étant comprimé lors de l'emboítement dudit corps annulaire 4 du module de réglage 2 dans ledit embout d'alimentation 10.In addition, the seal between the annular body 4 of the adjustment module 2 and the body of the intake manifold 1 is produced by the interposition of a seal compression 12 between an external circumferential offset 4 ′ of the body ring 4 and an internal circumferential 10 "offset from the end piece supply 10, of complementary shapes, said seal 12 being compressed during of the fitting of said annular body 4 of the adjustment module 2 in said power nozzle 10.

    La bague de blocage 11 pour être solidarisée de manière à exercer une pression constante sur le corps annulaire 4 en direction de l'emboítement, la zones des surfaces en contact de la bague 11 et du corps 4 étant étanchéifiée, par exemple, par l'intermédiaire d'un joint torique partiellement logé dans une rainure circonférentielle ménagée dans la bague de blocage 11 (voir figure 4).The locking ring 11 to be secured so as to exert a constant pressure on the annular body 4 towards the socket, the areas of the surfaces in contact with the ring 11 and the body 4 being sealed, by example, via an O-ring partially housed in a groove circumferential formed in the locking ring 11 (see Figure 4).

    Les joints d'étanchéité, notamment le joint torique précité et le joint de compression 12, pourront soit consister en des éléments indépendants rapportés, soit en des parties surmoulées sur l'une des pièces en contact (module de réglage ou collecteur).Seals, in particular the aforementioned O-ring and the seal 12, can either consist of independent elements reported, either in overmolded parts on one of the parts in contact (module or collector).

    Conformément à une variante de réalisation de l'invention, représentée notamment aux figures 1 à 6 des dessins annexés, la bague de blocage 11 comporte une portion de tube 13 débouchant au niveau de sa paroi interne et s'étendant vers l'extérieur, le cas échéant formée d'un seul tenant avec elle, ladite portion de tube 13 étant destinée à être reliée à ou à recevoir une vanne d'air additionnel 14 pour former un circuit de dérivation débouchant dans le collecteur d'admission 1.In accordance with an alternative embodiment of the invention, shown in particular in Figures 1 to 6 of the accompanying drawings, the locking ring 11 comprises a portion of tube 13 emerging at its internal wall and extending outward, if necessary formed integrally with it, said tube portion 13 being intended to be connected to or to receive an air valve additional 14 to form a branch circuit opening into the collector admission 1.

    La vanne d'air additionnel 14 ou au moins le corps de cette dernière, éventuellement prolongé(e) par une portion de conduit débouchant dans le collecteur d'admission 1, pourra, le cas échéant, être réalisé(e) d'un seul tenant avec le collecteur d'admission 1, d'où il résultera une tenue mécanique et en étanchéité optimisée (figures 8 et 9).The additional air valve 14 or at least the body of the latter, possibly extended by a portion of conduit opening into the intake manifold 1, may, if necessary, be made in one piece with the intake manifold 1, which will result in mechanical strength and optimized sealing (Figures 8 and 9).

    Sur la bague de blocage 11 pourra être monté le conduit d'amenée d'air branché sur la sortie du module ou de l'unité de filtre à air.On the locking ring 11 can be mounted the supply duct air connected to the outlet of the air filter module or unit.

    Toutefois, selon une variante de réalisation avantageuse de l'invention, la bague de blocage 11 peut être prolongée par un conduit d'amenée d'air 11' réalisé d'un seul tenant avec ladite bague de blocage 11 de manière à former une seule pièce (la bague de blocage 11 constituant alors l'extrémité de fixation du conduit 11') et connecté à son extrémité opposée à la sortie du module de filtre à air (voir fig. 1 des dessins annexés).However, according to an advantageous variant of the invention, the locking ring 11 can be extended by a supply duct air 11 ′ made in one piece with said locking ring 11 so as to form a single piece (the locking ring 11 then constituting the end of fixing of the conduit 11 ') and connected at its opposite end to the output of the module of air filter (see fig. 1 of the attached drawings).

    Conformément à un premier mode de réalisation de l'invention, représenté aux figures 1, 2 et 4 des dessins annexés, la solidarisation de la bague de blocage 11 avec le collecteur d'admission 1 est réalisée au moyen de pattes d'accrochage périphériques 15 élastiques, formées sur la bague de blocage 11 et venant en prise par enclenchement avec des décrochements saillants externes 16 correspondants formés sur l'embout d'alimentation 10.In accordance with a first embodiment of the invention, shown in Figures 1, 2 and 4 of the accompanying drawings, the connection of the ring blocking 11 with the intake manifold 1 is made by means of lugs elastic peripheral attachment 15 formed on the locking ring 11 and engaging by engagement with external protruding recesses 16 correspondents trained on the feed nozzle 10.

    Conformément à un second mode de réalisation de l'invention, représenté à la figure 3 des dessins annexés, il peut être prévu que, en vue de leur solidarisation mutuelle, la bague de blocage 11 est pourvue de parties saillantes périphériques 17 en forme d'oreilles, perforées ou non, et l'embout d'alimentation 10 est muni de bossages périphériques correspondants 18, perforés ou non, de manière à permettre leur assemblage par des vis 19, autotaraudeuses ou non.In accordance with a second embodiment of the invention, shown in Figure 3 of the accompanying drawings, it can be provided that, for their mutual securing, the locking ring 11 is provided with projecting parts peripherals 17 in the form of ears, perforated or not, and the feed endpiece 10 is provided with corresponding peripheral bosses 18, perforated or not, of so as to allow their assembly by screws 19, self-tapping or not.

    Alors que le collecteur d'admission 1 est généralement réalisé en un matériau thermoplastique, le module de réglage 2 pourra être réalisé, en ce qui concerne ses parties structurelles (notamment le corps annulaire 4), soit en un matériau thermoplastique ou thermodurcissable, soit en aluminium.While the intake manifold 1 is generally made in one thermoplastic material, the adjustment module 2 can be produced, as far as relates to its structural parts (in particular the annular body 4), or in one thermoplastic or thermosetting material, either aluminum.

    De manière avantageuse, le module de réglage, ainsi que la vanne d'air additionnel, seront positionnés dans une zone hors point bas, en vue d'éviter les problèmes liés aux condensats et aux gels.Advantageously, the adjustment module, as well as the valve additional air, will be positioned in an area outside the low point, in order to avoid problems with condensates and gels.

    Grâce à l'invention, il est donc possible de réaliser un ensemble collecteur d'admission / boítier papillon constituant une unique entité structurelle, compacte et optimisée en termes d'étanchéité et de résistance mécanique.Thanks to the invention, it is therefore possible to produce an assembly intake manifold / throttle body constituting a single structural entity, compact and optimized in terms of sealing and mechanical resistance.

    En effet, le boítier papillon est directement monté dans un prolongement d'un seul tenant du corps du collecteur, sans mise en oeuvre d'aucun moyen de liaison (vis ou analogue), ni de moyen d'accrochage, en étant ainsi réellement intégré dans ce dernier et non visible. Il est bloqué en position par emboítement au niveau de son axe ou de ses paliers de rotation dans des découpes correspondantes dudit prolongement, en étant verrouillé en position par serrage au moyen d'une bague de fixation.Indeed, the throttle body is directly mounted in a extension in one piece of the body of the collector, without using any connecting means (screws or the like), nor of attachment means, thus being actually integrated into it and not visible. It is locked in position by nesting at its axis or its rotational bearings in cutouts corresponding to said extension, being locked in position by tightening at by means of a fixing ring.

    Ainsi, la solidarisation du boítier papillon avec le collecteur intervient sans fixation mécanique directe sur ce dernier, mais par blocage en position par serrage, permettant également une étanchéisation par compression.Thus, the attachment of the butterfly housing with the collector intervenes without direct mechanical fixing on the latter, but by blocking in position by clamping, also allowing compression sealing.

    De plus, le circuit de dérivation 13, 14 est au moins partiellement formé d'un seul tenant avec le corps du collecteur et/ou la bague de serrage.In addition, the branch circuit 13, 14 is at least partially formed integrally with the manifold body and / or the clamping ring.

    En outre, le module de réglage 2 remplissant les fonctions de boítier papillon présente une structure simplifiée avec un nombre d'éléments constitutifs restreint, pour lesquels l'utilisation de matériaux autres que thermoplastiques peut être fortement limitée.In addition, the adjustment module 2 fulfilling the functions of the housing butterfly has a simplified structure with a number of constituent elements restricted, for which the use of materials other than thermoplastics may be strongly limited.

    Par ailleurs, il est possible de livrer un ensemble intégré unique remplissant les deux fonctions précitées (collecteur / papillon des gaz), d'où il résulte une réduction des références à gérer, du temps de montage (intégration en amont), ainsi qu'une livraison et un stockage facilités.In addition, it is possible to deliver a single integrated set fulfilling the two aforementioned functions (manifold / throttle valve), whence it results in a reduction of the references to manage, of the assembly time (integration in upstream), as well as facilitated delivery and storage.

    Claims (6)

    1. Intake manifold/throttle valve body assembly for a vehicle with a combustion engine, comprising an adjusting module consisting of an annular body receiving a throttle butterfly mounted on a pivot spindle connected to means for commanding and controlling the rotational position of the said spindle, these means being external to the said annular body, characterized in that the adjusting module (2) for adjusting the passage cross section is attached at the fresh air supply opening (3) to an intake manifold (1), the said annular body (4) being at least partially fitted into a continuation (10) in the form of an end piece of the intake manifold body (1) at its fresh air supply opening (3), so as to form an integrated intake manifold/throttle valve body assembly and in that the adjusting module (2) is prevented from rotating with respect to the intake manifold (1) by external portions of the pivot spindle (5') or of the bearings (5") that guide the said spindle (5') being housed in opposed cutouts (10') formed in the supply end piece (10) extending from the supply opening (3), the fitting of the annular body (4) in the said supply end piece (10) being immobilized and locked in place by means of an attached ring (11) secured to the body of the intake manifold (1) or to the said supply end piece (10).
    2. Assembly according to Claim 1, characterized in that sealing between the annular body (4) of the adjusting module (2) and the body of the intake manifold (1) is achieved by the interposition of a compression seal (12) between an external circumferential step (4') of the annular body (4) and an internal circumferential step (10") of the supply end piece (10), these steps having complementary shapes, the said seal (12) being compressed as the annular body (4) of the adjusting module (2) is fitted into the said supply end piece (10), and the immobilizing ring (11) exerting constant pressure on the said annular body (4) in the direction of the fitting.
    3. Assembly according to either one of Claims 1 and 2, characterized in that the immobilizing ring (11) comprises a tube portion (13) opening out at its internal wall and extending outwards, if appropriate formed as one piece with it, the said tube portion (13) being intended to be connected to or to accommodate an additional air valve (14) to form a bypass circuit opening into the intake manifold (1).
    4. Assembly according to any one of Claims 1 to 3, characterized in that the immobilizing ring (11) is extended by an air inlet duct (11') formed as one piece with the said immobilizing ring (11).
    5. Assembly according to any one of Claims 1 to 4, characterized in that the securing of the immobilizing ring (11) to the intake manifold (1) is performed using elastic peripheral catching tabs (15) formed on the immobilizing ring (11) and engaging by clinching with corresponding external protruding steps (16) formed on the supply end piece (10).
    6. Assembly according to any one of Claims 1 to 4, characterized in that, with a view to joining them together, the immobilizing ring (11) is provided with lug-shaped peripheral projecting parts (17), which may or may not be perforated, and the supply end piece (10) is equipped with corresponding peripheral bosses (18), which may or may not be perforated, so as to allow them to be joined together by screws (19) which may or may not be self-tapping.
    EP99440243A 1998-09-14 1999-09-07 Integrated intake manifold / throttle valve body Expired - Lifetime EP0987429B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR9811526 1998-09-14
    FR9811526A FR2783283B1 (en) 1998-09-14 1998-09-14 INTEGRATED INTAKE MANIFOLD / BUTTERFLY HOUSING

    Publications (2)

    Publication Number Publication Date
    EP0987429A1 EP0987429A1 (en) 2000-03-22
    EP0987429B1 true EP0987429B1 (en) 2004-04-14

    Family

    ID=9530473

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP99440243A Expired - Lifetime EP0987429B1 (en) 1998-09-14 1999-09-07 Integrated intake manifold / throttle valve body

    Country Status (6)

    Country Link
    US (1) US6182628B1 (en)
    EP (1) EP0987429B1 (en)
    JP (1) JP4266451B2 (en)
    AT (1) ATE264453T1 (en)
    DE (1) DE69916387T2 (en)
    FR (1) FR2783283B1 (en)

    Families Citing this family (11)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE19928354A1 (en) * 1999-06-21 2000-12-28 Mann & Hummel Filter Pipe system with throttle valve
    FR2831217B1 (en) * 2001-10-24 2004-04-09 Wecosta AIR FILTER, INTAKE DUCT AND ASSEMBLY CONSISTING OF SUCH FILTER AND INTAKE DUCT
    ITBO20030362A1 (en) * 2003-06-13 2004-12-14 Magneti Marelli Powertrain Spa CYLINDER COMBUSTION AIR SUPPLY GROUP
    DE10336264A1 (en) * 2003-08-07 2005-03-10 Bosch Gmbh Robert Housing a throttle device of plastic material containing filling materials
    MX2007010194A (en) 2004-09-10 2008-11-04 Knorr Bremse Systeme "torque deficiency" (accumulator-based charge assistance).
    US20060090725A1 (en) * 2004-10-20 2006-05-04 Garvey Paul W Devices for connecting canister air cleaners to carburetors of internal combustion engines
    EP2184468A1 (en) * 2008-11-11 2010-05-12 Honda Motor Co., Ltd Intake System for Internal Combustion Engines
    USD770535S1 (en) * 2014-08-01 2016-11-01 Managed Programs, LLC Integrated air intake manifold
    JP2016138515A (en) * 2015-01-28 2016-08-04 愛三工業株式会社 Fastening structure for throttle body
    JP6711740B2 (en) * 2016-12-01 2020-06-17 株式会社ケーヒン Throttle valve device
    CN106979084A (en) * 2017-04-26 2017-07-25 杭州舸瑞新能源科技有限公司 Electric-controlled gas engine integrated form throttle body

    Family Cites Families (4)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US5158045A (en) * 1992-02-05 1992-10-27 Siemens Automotive Limited Engine induction system having a telescopic throttle body
    DE4229408C1 (en) * 1992-09-03 1993-08-19 Bayerische Motoren Werke Ag, 8000 Muenchen, De Air intake device for IC engine with crankcase ventilation - has flow divider chamber, and ventilation opens into it via tube end section, which is connected to pressure control valve
    US5341773A (en) * 1993-11-04 1994-08-30 Ford Motor Company Joint for an automative air induction system
    DE19626251A1 (en) * 1996-06-29 1998-01-08 Bosch Gmbh Robert Air duct system

    Also Published As

    Publication number Publication date
    EP0987429A1 (en) 2000-03-22
    JP2000087764A (en) 2000-03-28
    DE69916387D1 (en) 2004-05-19
    JP4266451B2 (en) 2009-05-20
    FR2783283A1 (en) 2000-03-17
    FR2783283B1 (en) 2000-11-24
    ATE264453T1 (en) 2004-04-15
    DE69916387T2 (en) 2005-05-04
    US6182628B1 (en) 2001-02-06

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