EP2504558B1 - Ensemble flasque et système d'aspiration - Google Patents

Ensemble flasque et système d'aspiration Download PDF

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Publication number
EP2504558B1
EP2504558B1 EP10779807.6A EP10779807A EP2504558B1 EP 2504558 B1 EP2504558 B1 EP 2504558B1 EP 10779807 A EP10779807 A EP 10779807A EP 2504558 B1 EP2504558 B1 EP 2504558B1
Authority
EP
European Patent Office
Prior art keywords
housing
flange
internal combustion
combustion engine
flange device
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.)
Not-in-force
Application number
EP10779807.6A
Other languages
German (de)
English (en)
Other versions
EP2504558A1 (fr
Inventor
Winfried Brand
Ivano Morgillo
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.)
Mahle International GmbH
Original Assignee
Mahle International GmbH
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 Mahle International GmbH filed Critical Mahle International GmbH
Publication of EP2504558A1 publication Critical patent/EP2504558A1/fr
Application granted granted Critical
Publication of EP2504558B1 publication Critical patent/EP2504558B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
    • F02M35/10078—Connections of intake systems to the engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
    • F02M55/025—Common rails

Definitions

  • the present invention relates to a flange device for an air supply device of an internal combustion engine, in particular of a motor vehicle.
  • the invention also relates to a suction system equipped with at least one such flange device.
  • a flange device for an intake system of an internal combustion engine which has a housing made of plastic and has a fuel rail of metal.
  • the housing has an intake passage for each cylinder of the internal combustion engine, and the fuel rail has a port for connecting a fuel injector for each cylinder.
  • the known flange device is equipped with a hold-down made of metal, with the aid of which the housing can be attached to the internal combustion engine, said holddown the fuel rail overlaps, so that at the same time the fuel rail is fixed with the attachment of the housing.
  • a plastic housing is attached to the internal combustion engine, wherein the housing with locking recesses bush-shaped tube ends of branch pipes of a coolant manifold positively engages over, thereby simultaneously securing the coolant manifold to the internal combustion engine.
  • the coolant distribution pipe extends between the branch pipes on a side facing away from the engine side of the housing, whereby it engages over the cooperating with the pipe ends portions of the housing.
  • the present invention is concerned with the problem of providing an improved or at least another embodiment for a flange device or for an intake system of the type mentioned, which is characterized in particular by an inexpensive manufacturability and / or by a simplified mounting.
  • the invention is based on the general idea of arranging, in particular integrally molding, a plurality of bridge sections on the housing of a flange device, which in the mounted state overlap the fuel distributor strip on a side remote from the internal combustion engine.
  • the fuel distribution list is attached to the housing, distribution list and housing are separately manufactured components.
  • the support of the bridge sections on the internal combustion engine takes place through support sleeves which are supported on the one hand on the bridge section and on the other hand on the internal combustion engine.
  • the housing can thereby on one side of the fuel rail be attached directly to the internal combustion engine with a flange, while it can be secured on the other side of the fuel rail through the support sleeves through in the region of the bridge sections on the internal combustion engine.
  • the housing By attaching the housing to the internal combustion engine thereby also loosely inserted into the housing, trapped or clipped fuel rail is determined at the internal combustion engine, whereby additional fastening measures can be omitted.
  • the housing which is preferably designed as a plastic injection-molded part, including the bridge sections can be manufactured with comparatively tight manufacturing tolerances, whereby the attachment to the internal combustion engine is easily feasible.
  • the handling is simplified, since the bridge sections are already properly positioned with the attachment of the housing to the internal combustion engine.
  • the bridge sections are made of plastic and thus are relatively easy.
  • the bridge sections are releasably or non-detachably connected to the housing and thus form an assembly that can be used as an integrally formed component.
  • the support sleeves may be made of metal and inserted into the respective bridge section.
  • the metallic support sleeves can be supported particularly high tensile forces or compressive forces between the housing and the engine to bias the housing with sufficient force against the internal combustion engine.
  • the metallic support sleeves creep of the plastic under tensile or compressive load is prevented.
  • the bridge sections may be formed in a fuel rail facing the contact area complementary to the fuel rail and come to rest flat against it.
  • inlet pipes can be integrally formed on the housing, which are each communicatively connected to at least one of the inlet channels.
  • the degree of integration of the flange device can be increased, which simplifies the handling of the flange device or its mounting.
  • Abstützstege which are supported on the one hand on the bridge sections and on the other hand on the inlet pipes. Over this Abstützstege thus takes place a support of the bridge sections on the inlet pipes, whereby the stability of the flange device can be increased.
  • a fresh-air distributor can furthermore be integrally formed on the housing, which is communicatively connected to the inlet tubes at a side remote from the inlet channels. This measure also leads to an increase in the degree of integration of the flange device, which facilitates handling and assembly.
  • a suction system which has all functional units, such as flange, bridge sections, fresh air manifold, inlet pipes and inlet ducts in a component.
  • the fuel rail is clamped or clipped or loosely inserted and mounted together with the intake by this on the engine.
  • the flange device which has at least the flange, bridge sections and the inlet channels, be designed as a separate unit and assembled with a suction pipe, which has at least one fresh air manifold and inlet pipes to a complete intake system, in particular screwed.
  • the flange device may also be connected to a different air supply unit than a suction tube.
  • air supply units may e.g. Compressors or air distributors with / without radiator.
  • FIG. 1 includes an air supply device 1, only partially shown, which may preferably be an intake system for fresh air supply of an internal combustion engine, which may be arranged in particular in a motor vehicle, at least one flange 2 and a fresh air line 3, which is connected to an inlet side of the flange 2 is.
  • the flange device 2 can be connected to the internal combustion engine, not shown.
  • the internal combustion engine is a piston engine having a plurality of cylinders.
  • the flange device 2 is used to supply all cylinders of the internal combustion engine with fresh air, if it is an internal combustion engine in the internal combustion engine.
  • the flange device 2 serves to supply all cylinders of a cylinder bank of the internal combustion engine with fresh air, as long as the internal combustion engine is a V-engine.
  • the flange device 2 comprises a housing 4 and a fuel rail 5.
  • the housing 4 is made of plastic, in particular by means of injection molding technology.
  • the housing 4 has at least one inlet channel 6 per cylinder of the internal combustion engine.
  • inlet channels 6 are provided which lead to four cylinders of the internal combustion engine.
  • it is the associated internal combustion engine to a four-cylinder in-line engine or a V-8-cylinder engine or short V8 engine.
  • the fuel rail 5 is made of metal and has for each cylinder a port 7 for connecting a - not shown here - fuel injector. These fuel injectors serve to inject fuel into the respective cylinder. They are connected via the connections 7 together to the same fuel rail 5, so this is a so-called.
  • the fuel rail 5 is designed here as a tube, which is characterized by a circular cross-section. Likewise, other cross-sectional geometries for the fuel rail 5 conceivable bar, such. B. a rectangular cross-section.
  • the housing 4 has a flange 8 on a side facing the internal combustion engine in the mounted state.
  • This flange 8 surrounds the inlet channels 6 and their outlet openings. With the flange 8, the housing 4 can be attached to the internal combustion engine.
  • a plurality of bridge portions 9 are formed integrally on the housing 4. Expediently, such a bridge section 9 is provided per cylinder or per inlet channel 6. Accordingly, the bridge sections 9 are each arranged at the level of one of the inlet channels 6.
  • the bridge sections 9 engage over the fuel rail 5, which is loosely inserted or clamped in the housing 4, on a side facing away from the flange 8.
  • the bridge sections 9 are each equipped with a support sleeve 10 with respect to the longitudinal direction of the housing 4.
  • the respective support sleeve 10 is arranged distally to the inlet channels 6 at the respective bridge section 9, such that the fuel rail 5 is located between the support sleeves 10 and the inlet channels 6. Through these support sleeves 10 through the respective bridge portion 9 can be attached to the engine.
  • the support sleeves 10 may be made of plastic. In this case, they may also be formed integrally on the bridge sections 9 and thus integrally on the housing 4. Preferably, however, is a separate production of the support sleeves 10, whereby it is possible to make the support sleeves 10 made of metal and grow on the housing 4. For this purpose, the support sleeves 10 are inserted into the respective bridge section 9.
  • the respective bridge section 9 for the respective support sleeve 10 can have a corresponding insertion opening 11 into which the sleeve 10 can be inserted.
  • the support sleeves 10 may be held in the insertion openings 11 by adhesion or frictional engagement. It is also possible to weld the support sleeves 10 in the housing 4.
  • the housing 4 accordingly Fig. 4 have a plurality of through holes 13, in the appropriate sleeves 14 may be used to accommodate the Verschraubungs idea. These sleeves 14 may in particular be welded. Likewise, a screw head or a disc of the internal combustion engine radially facing away from the axial end face of the respective sleeve 14, so as to fix the housing 4 to the internal combustion engine.
  • the bridge sections 9 in a contact region 15 facing the fuel distributor strip 5 can be shaped to be complementary to the fuel distributor strip 5, such that the fuel distributor strip 5 abuts the respective bridge section 9 flatly in this contact region 15.
  • the fuel rail 5 is provided with a circular outer cross-section. Fits to the contact area 15 is configured semicircular.
  • a plurality of inlet tubes 16 are also formed integrally on the housing 4. These inlet pipes 16 are in accordance Fig. 5 each communicating with at least one inlet channel 6 in communication. In the example, exactly four inlet pipes 16 are provided, each of which communicates with one of the four inlet ducts 6. In an embodiment in which the housing 4 per cylinder has two inlet channels, it may also be provided to connect an inlet tube 16 communicating with two inlet channels that lead to the same cylinder.
  • a fresh air manifold 17 is integrally formed on the housing 4, which is communicatively connected to the inlet channels 16.
  • the fresh air distributor 17 is arranged on the inlet pipes 16 on a side facing away from the inlet channels 6.
  • Abstützstege 18 are provided, which may also be integrally formed on the housing 4.
  • These support webs 18 support the bridge sections 9 on the inlet pipes 16, specifically on a side facing away from the fuel rail 5. For this extend the support webs 18 on the one hand along the bridge sections 9 at least to the extent that they overlap the fuel rail 5.
  • the support webs 18 extend along the respective inlet pipe 16 to an end region 19 of the respective inlet pipe 16, which is arranged distally to the associated inlet channel 6.
  • the support webs 18 are each double executed bridge section 9, wherein the two Abstützstege 18 of the respective bridge section 9 according to Fig. 4 are arranged on both sides of the respective support sleeve 10.
  • the fresh air distributor 17 extends parallel to a longitudinal direction 20 of the flange device 2.
  • This longitudinal direction 20 is defined by the direction in which the inlet channels 6 are arranged side by side.
  • this longitudinal direction 20 also forms the longitudinal direction of the flange 8 and the housing 4.
  • the fresh air manifold 17 extends in the embodiment shown here parallel to the flange 8. Bzgl. the longitudinal axis 20, the fresh air manifold 17 in the embodiment shown here frontally have a connecting flange 21 through which the fresh air line 3 of the intake system 1 to the flange 1 and the fresh air manifold 17 can be connected.
  • Fig. 5 can be provided in the housing 4, a flap assembly 22 which has a plurality of flaps 23, by means of which individual inlet channels 6 or all inlet channels 6 are controllable with respect to the flow-through cross-section. If exactly one inlet channel 6 is provided per cylinder, the flap arrangement 22 may expediently have such a flap 23 per inlet channel 6. If two inlet channels 6 are provided for each cylinder, the flap arrangement 22 can have such a flap 23 for every second inlet channel 6.
  • Fig. 4 can be removed, the housing 4 facing away from the flange 8 and in Fig. 4
  • the viewer facing side a plurality of stiffening webs 24, which lead to an intensive stiffening of the housing 4 in the region of the bridge sections 9.
  • the stiffening webs 24 here designed so that in each case centrally between two bridge sections 9 forms a circular cylindrical node 25, go out of the more stiffening webs 24 in a star shape.
  • Individual webs 24a extend parallel to the longitudinal axis 20 of the housing 4 and thereby connect the individual nodes 25 in a straight line with each other.
  • Other stiffening webs 24b extend along the outer edge of the bridge sections 9.
  • Other stiffening webs 24c connect the areas of the bridge sections 9 in which the support sleeves 10 are arranged, with the areas of the housing 4, in which the sleeves 14 are arranged.
  • an actuator 26 can be provided on the outside of the housing 4 on the front side, which can be configured, for example, as a pressure cell.
  • the actuator 26 can be drive-coupled with a lever element 27, which in turn is coupled to an actuating shaft, not shown here, such that actuation of the actuator 26 pivots the lever element 27 and thereby rotates the actuating shaft with the flaps 23 attached thereto.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Claims (12)

  1. Ensemble de flasque pour un dispositif d'alimentation d'air (1) d'un moteur à combustion interne, notamment d'un véhicule automobile,
    - comportant un logement (4) en plastique, qui présente au moins un canal d'admission (6) pour chaque cylindre du moteur à combustion interne,
    - comportant une rampe de distribution de carburant (5) en métal, qui présente pour chaque cylindre un raccord (7) à des fins de raccordement à un injecteur de carburant,
    - dans lequel le logement (4) présente un flasque (8), qui enveloppe les ouvertures d'échappement des canaux d'admission (6) et avec lequel le logement (4) peut être fixé sur le moteur à combustion interne,
    - dans lequel le logement (4) présente plusieurs portions de pont (9), qui enjambent la rampe de distribution de carburant (5) sur un côté qui se détourne du flasque (8),
    - dans lequel chaque portion de pont (9) présente un manchon de support (10) distalement aux canaux d'admission (6), par l'intermédiaire duquel la portion de pont respective (9) peut être fixée au moteur à combustion interne.
  2. Ensemble de flasque selon la revendication 1,
    caractérisé en ce que
    les manchons de support (10) sont fabriqués en métal et sont insérés dans la portion de pont (9) respective.
  3. Ensemble de flasque selon les revendications 1 ou 2,
    caractérisé en ce que
    les portions de pont (9) sont formées dans une zone de contact (15) tournée vers la rampe de distribution de carburant (5) complémentaire à la rampe de distribution de carburant (5) et viennent reposer à plat sur celle-ci.
  4. Ensemble de flasque selon une des revendications 1 à 3,
    caractérisé en ce que
    sur le logement (4) des tuyaux d'admission (16) sont façonnés en un seul tenant, lesquels sont respectivement reliés de manière communicante à au moins un des canaux d'admission (6).
  5. Ensemble de flasque selon la revendication 4,
    caractérisé en ce que
    sur le logement (4) des chants de soutien (18) sont façonnés en un seul tenant, lesquels soutiennent les portions de pont (9) sur un côté se détournant de la rampe de distribution de carburant (5) sur les tuyaux d'admission (16).
  6. Ensemble de flasque selon les revendications 4 ou 5,
    caractérisé en ce que
    sur le logement (4) un distributeur d'air frais (17) est façonné en un seul tenant, lequel est relié de manière communicante aux tuyaux d'admission (16) sur un côté se détournant des canaux d'admission (6).
  7. Ensemble de flasque selon la revendication 6,
    caractérisé en ce que
    le distributeur d'air frais (17) s'étend parallèlement au flasque (8), dans lequel il peut notamment être prévu que le distributeur d'air frais (17) présente du côté avant un flasque de raccordement (21), auquel une conduite d'air frais (3) de l'installation d'aspiration (1) peut être raccordée.
  8. Ensemble de flasque selon une des revendications 1 à 7,
    caractérisé en ce que
    dans le logement (4) un dispositif de clapet (22) est prévu, qui présente des clapets (23) de canaux d'admission (6) individuels ou de tous les canaux d'admission.
  9. Ensemble de flasque selon une des revendications 1 à 8,
    caractérisé en ce que
    le logement (4) présente sur un côté se détournant du flasque (8) des gradins de renforcement (24), qui rigidifient les portions de pont (9).
  10. Ensemble de flasque selon une des revendications 1 à 9,
    caractérisé en ce que
    les portions de pont (9) sont montées de manière amovible et inamovible sur le reste du logement (4) ou sont façonnées sur celui-ci en un seul tenant.
  11. Ensemble de flasque selon une des revendications 1 à 10,
    caractérisé en ce que
    la rampe de distribution de carburant (5) est montée sur le logement (4), notamment est placée dans ou sur celui-ci de manière réversible ou bridée dedans ou clipsée dedans.
  12. Dispositif d'alimentation d'air à des fins d'alimentation en air frais d'un moteur à combustion interne, notamment d'un véhicule automobile, comportant au moins un ensemble de flasque (2) selon une des revendications 1 à 11.
EP10779807.6A 2009-11-23 2010-11-18 Ensemble flasque et système d'aspiration Not-in-force EP2504558B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009053986A DE102009053986A1 (de) 2009-11-23 2009-11-23 Flanschvorrichtung und Saugnalage
PCT/EP2010/067737 WO2011061250A1 (fr) 2009-11-23 2010-11-18 Ensemble flasque et système d'aspiration

Publications (2)

Publication Number Publication Date
EP2504558A1 EP2504558A1 (fr) 2012-10-03
EP2504558B1 true EP2504558B1 (fr) 2013-10-16

Family

ID=43513623

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10779807.6A Not-in-force EP2504558B1 (fr) 2009-11-23 2010-11-18 Ensemble flasque et système d'aspiration

Country Status (7)

Country Link
US (1) US8631784B2 (fr)
EP (1) EP2504558B1 (fr)
JP (1) JP5469253B2 (fr)
KR (1) KR20120085937A (fr)
CN (1) CN102713230B (fr)
DE (1) DE102009053986A1 (fr)
WO (1) WO2011061250A1 (fr)

Families Citing this family (7)

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FR2950396B1 (fr) * 2009-09-22 2012-04-27 Mark Iv Systemes Moteurs Sa Module fonctionnel integrant un repartiteur et une rampe d'injection et son procede de fabrication
US9273653B2 (en) * 2014-03-03 2016-03-01 MNC Flow, LLC Intake manifold
DE202014104466U1 (de) 2014-09-19 2014-09-25 Benteler Automobiltechnik Gmbh Kraftstoffverteiler
JP6396267B2 (ja) * 2015-08-25 2018-09-26 株式会社マーレ フィルターシステムズ 内燃機関の吸気装置
DE202015105989U1 (de) * 2015-11-09 2015-12-02 Benteler Automobiltechnik Gmbh Kraftstoffverteiler
DE102016204025B4 (de) * 2016-03-11 2021-05-27 Hirschvogel Umformtechnik Gmbh Innendruckbelastetes Bauteil (Rail) sowie Verfahren zu dessen Herstellung
FR3078104B1 (fr) * 2018-02-22 2021-07-23 Sogefi Air & Cooling Support de fixation et ensemble moteur le comprenant

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Also Published As

Publication number Publication date
CN102713230A (zh) 2012-10-03
JP2013511664A (ja) 2013-04-04
DE102009053986A1 (de) 2011-05-26
JP5469253B2 (ja) 2014-04-16
EP2504558A1 (fr) 2012-10-03
US20120298064A1 (en) 2012-11-29
KR20120085937A (ko) 2012-08-01
US8631784B2 (en) 2014-01-21
CN102713230B (zh) 2015-06-03
WO2011061250A1 (fr) 2011-05-26

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