EP2948674B1 - Installation d'injection de carburant dotée d'un élément d'acheminement de carburant, d'un injecteur de carburant et d'une attache en suspension - Google Patents

Installation d'injection de carburant dotée d'un élément d'acheminement de carburant, d'un injecteur de carburant et d'une attache en suspension Download PDF

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Publication number
EP2948674B1
EP2948674B1 EP14700405.5A EP14700405A EP2948674B1 EP 2948674 B1 EP2948674 B1 EP 2948674B1 EP 14700405 A EP14700405 A EP 14700405A EP 2948674 B1 EP2948674 B1 EP 2948674B1
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EP
European Patent Office
Prior art keywords
fuel
fuel injection
elastically deformable
shaped
injection valve
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.)
Active
Application number
EP14700405.5A
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German (de)
English (en)
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EP2948674A1 (fr
Inventor
Michael Fischer
Michael Knorpp
Martin Riemer
Hans-Georg Horst
Andreas Glaser
Philipp Rogler
Jan Herrmann
Andreas Rehwald
Michael Mayer
Volker Scheef
Wilhelm Reinhardt
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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
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Priority to EP18171136.7A priority Critical patent/EP3388662B1/fr
Publication of EP2948674A1 publication Critical patent/EP2948674A1/fr
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Publication of EP2948674B1 publication Critical patent/EP2948674B1/fr
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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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/09—Fuel-injection apparatus having means for reducing noise
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/16—Sealing of fuel injection apparatus not otherwise provided for
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/30—Fuel-injection apparatus having mechanical parts, the movement of which is damped
    • F02M2200/306—Fuel-injection apparatus having mechanical parts, the movement of which is damped using mechanical means
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/85—Mounting of fuel injection apparatus
    • F02M2200/853—Mounting of fuel injection apparatus involving use of quick-acting mechanism, e.g. clips
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/85—Mounting of fuel injection apparatus
    • F02M2200/855—Mounting of fuel injection apparatus using clamp elements or fastening means, e.g. bolts or screws
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/85—Mounting of fuel injection apparatus
    • F02M2200/856—Mounting of fuel injection apparatus characterised by mounting injector to fuel or common rail, or vice versa

Definitions

  • the invention relates to a suspension for fuel injection systems for connecting a fuel injection valve with a fuel-carrying component and a fuel injection system with such a suspension. Specifically, the invention relates to the field of fuel injection systems for mixture-compression, spark-ignition internal combustion engines.
  • the known fuel injection device comprises a fuel injection valve, a receiving bore for the fuel injection valve in a cylinder head and a fuel distributor line with a connecting piece.
  • the fuel injection valve is partially inserted.
  • the fuel injection valve has a wire ring inserted in a groove in the region of its inlet neck.
  • a connecting body in the form of a lock nut is provided, which is screwed onto an external thread on the circumference of the connecting piece.
  • the connecting body has a section containing an internal thread, to which a ring collar adjoins, which has a curved support surface in the form of a ball socket. With this support surface, the annular collar of the connecting body is supported on the wire ring, which is received with its curvature in the annular collar.
  • the from the DE 10 2005 020 380 A1 known configuration of the fuel injection device has the disadvantage that vibrations can be transmitted via the wire ring between the connecting piece and the inlet nozzle of the fuel injection valve. Specifically, vibrations from the fuel injector can be transmitted to the port.
  • valve plug a conspicuous and disturbing contribution to the overall noise of the engine can be made, which can be described as a valve plug.
  • a valve leakage is caused by the rapid opening and closing of the fuel injection valve, in which the valve needle is adjusted with high dynamics in the respective end stops.
  • the impact of the valve needle in the end stops leads to short-acting, but very high contact forces, which are transmitted via a housing of the fuel injection valve to the cylinder head and a fuel rail in the form of structure-borne noise and vibrations. This leads to the cylinder head and the fuel rail to a strong noise.
  • Another example is from the document WO 2013/160068 A1 (according to Art. 54.3 EPC).
  • the suspension according to the invention with the features of claim 1 and the fuel injection system according to the invention with the features of claim 8 have the advantage that an improved suspension of the fuel injection valve to the fuel-carrying component is made possible.
  • a noise reduction by targeted decoupling is possible.
  • a soft connection of the fuel injection valve to the fuel-carrying component can be achieved, which allows a noise reduction of the entire system with the fuel injection system.
  • the suspension and fuel injection system are suitable for gasoline direct injection applications.
  • the fuel-carrying component is in this case preferably designed as a fuel distributor, in particular as a fuel distributor strip.
  • a fuel distributor can on the one hand serve to distribute the fuel to a plurality of fuel injection valves, in particular high-pressure injection valves.
  • the fuel distributor can serve as a common fuel storage for the fuel injection valves.
  • the fuel injectors are then preferably connected to the fuel manifold via corresponding hangers. During operation, the fuel injection valves then inject the fuel necessary for the combustion process under high pressure into the respective combustion space.
  • the fuel is in this case compressed via a high-pressure pump and quantity-controlled conveyed via a high-pressure line in the fuel distributor.
  • the fuel injection valve in particular the fuel nozzle, is not part of the suspension according to the invention.
  • the suspension according to the invention can also be manufactured and sold separately from the fuel injection valve.
  • the connection body may be part of a fuel-carrying component.
  • the connection body can be designed as part of a cup of a fuel distributor strip. In this case, however, the connection body can also be connected at a later time to a tubular base body or the like of the fuel distributor strip, for example by welding.
  • the suspension according to the invention is not necessarily part of the entire fuel-carrying component and can also be manufactured and sold independently of such other components of a fuel-carrying component.
  • a soft connection of the fuel injection valve to the fuel-carrying component in particular a fuel distributor, can be achieved.
  • the soft connection of the fuel injection valve to the fuel-carrying component can in this case be carried out with a target stiffness of not more than 50 kN / mm, the strength requirements over the lifetime can be met.
  • the advantage of the soft suspension is a significant reduction of the transmitted structure-borne sound from the fuel injection valve to the fuel-carrying component and, associated with this, a reduction in the noise of the injection system.
  • this noise-reducing measure can be used in addition to other noise-reducing measures, such as a hydraulic throttle at the valve inlet and a soft Railverschraubung.
  • the suspension can advantageously be used without or with only minor structural changes in existing constructions. This results in a broad scope.
  • a contact surface is configured, which is designed conically with respect to a longitudinal axis of the receiving space and facing the receiving space. Due to the conical contact surface, in particular with respect to the longitudinal axis can have an opening angle from a range of about 10 ° to about 80 °, in particular of at least approximately 45 °, an advantageous centering is guaranteed.
  • an angular tolerance compensation for the fuel injection valve with respect to the longitudinal axis of the receiving space can be ensured.
  • the angle tolerance compensation can also be used here be realized by an elastic deformation of the elastically deformable element. An orientation of the elastically deformable element with respect to the longitudinal axis of the receiving space and thus the orientation of the fuel nozzle of the fuel injection valve takes place at least indirectly via the conical contact surface.
  • annular support member is provided and that the elastically deformable element is supported by means of the annular support member on the inner collar of the fitting.
  • the conical contact surface is provided on the inner collar of the connecting piece.
  • the annular support element in this case preferably has a rounded outer contour with respect to the contact surface of the inner collar.
  • the annular support member has an annular recess into which the elastically deformable element is at least partially inserted.
  • a mechanical protection is ensured, wherein in particular a local overstress is prevented.
  • a uniform application of force and thus a homogeneous loading of the elastically deformable element is ensured.
  • the elastically deformable element is thereby reliably positioned. Bruising of the elastically deformable element due to incorrect positioning, improper installation, pinching in places, kinks or the like are thereby prevented from the outset.
  • the annular recess of the annular support member is designed to be open inwardly.
  • an elastic deformability of the elastically deformable element also in the radial direction allows, as a radial support is ensured on the annular support member.
  • a direct contact between the annular support member and an outer side of the fuel nozzle can be avoided.
  • deformation of the elastically deformable element can still be limited.
  • a support surface is configured, that an annular angle element is provided which has an L-shaped profile, in which the elastically deformable element is at least partially inserted, and that the fuel nozzle is supported at least by means of the annular angular element on the elastically deformable element.
  • the annular angle element also allows mechanical protection of the elastically deformable element. In particular, a homogeneous force is introduced into the elastically deformable element. In addition, a local overuse of the elastically deformable element is prevented from the outset. Also wear due to friction or the like, which is in principle possible on an outer side of the elastically deformable element by abrasion or shear, is thereby prevented.
  • annular angle element bears against an outer side of the fuel nozzle.
  • a reliable fixation of the annular angle element is made possible on the fuel nozzle, so that vibrations are transmitted directly to the elastically deformable element.
  • Contact noise between the annular angle element and the fuel nozzle are thus prevented from the outset.
  • the element connected to the fuel nozzle is materially connected to the fuel nozzle.
  • the element connected to the fuel stub may be configured as a disk-shaped element that is welded to the fuel stub.
  • a U-shaped connection bracket is provided, that the connection piece is connected via the U-shaped connection bracket with the connection body, that the connection body has on its outside at least one recess, that the connection piece has on its inside at least one recess , which is associated with the recess of the connection body, that the U-shaped connection bracket engages inside the at least one recess of the connection body and outside in the at least one recess of the connector and that the U-shaped connection bracket is oriented at least approximately perpendicular to a longitudinal axis of the receiving space ,
  • the preferably pot-shaped connection piece can be applied to the fuel nozzle.
  • the elastically deformable element can be mounted. Subsequently, for example, the disk-shaped element can be connected by welding to the fuel nozzle. After this pre-assembly, the fuel stub can be positioned with the fitting on the fuel-carrying component.
  • the connector is suitably positioned on the connector body, so that the U-shaped connecting bracket into the recess of the connection body and in the recess of the connector can be inserted. Furthermore, in this case also a simple disassembly is possible, which may be required, for example, in the context of maintenance.
  • the connecting piece can also be designed in the form of a union nut. In this way, also a releasable connection between the fuel injection valve and the fuel-carrying component can be achieved.
  • Fig. 1 shows a fuel injection system 1 with a suspension 2 in an excerpt, schematic sectional view according to a first embodiment.
  • the fuel injection system 1 can be used in particular for high-pressure injection in internal combustion engines.
  • the fuel injection system 1 can be used in mixture-compression, spark-ignited internal combustion engines.
  • the suspension 2 is particularly suitable for such a fuel injection system. 1
  • the fuel injection system 1 has a fuel-carrying component 3, which is designed in this embodiment as a fuel distributor strip 3.
  • the fuel distributor strip 3 has a tubular main body 4 and a connection body 5.
  • an elongate fuel chamber 6 is formed, from which a branched channel 7 guided through the connecting body 5 branches off.
  • further connecting bodies are preferably attached to the tubular base body 4, which are designed in accordance with the connection body 5.
  • the connection body 5 is in this case part of the suspension 2.
  • the connection body 5 can be connected in a suitable manner to the tubular base body 4.
  • the tubular base body 4 is not necessarily part of the suspension 2, because the suspension 2 with the connection body 5 can also be manufactured and distributed independently of the tubular base body 4.
  • connection body 5 As part of a pre-assembly of the connection body 5 can be connected together with other appropriately designed connection bodies with the tubular base body 4, which is possible for example by welding.
  • the connection body 5 has an external thread 8 in this exemplary embodiment.
  • the suspension 2 has a connection piece 9 with an internal thread 10. At least in the region of the internal thread 10, the connecting piece 9 is designed tubular.
  • the connecting piece 9 on an end face 11 an inner collar 12.
  • the connector 9 is screwed with its internal thread 10 on the external thread 8 of the connector body 5.
  • the connector 9 is thus configured in this embodiment in the form of a union nut 9.
  • the connection body 5 is configured in this embodiment as a rail cup 5.
  • a receiving space 15 is formed within the connecting body 5 and the connecting piece 9, in which a fuel nozzle 16 of a fuel injection valve 17 of the fuel injection system 1 is partially arranged.
  • the fuel nozzle 16 has a collar 18, on which an inlet for the fuel is provided to guide the fuel from the connecting channel 7 into a fuel chamber 19 in the interior of the fuel injection valve 17.
  • a sealing ring 20 is provided, which is located between the fuel nozzle 16 and the connection body 5 to form a seal.
  • the sealing ring 20 is in this case between the collar 18 and a support ring 21.
  • the support ring 21 encloses a tapered portion of the fuel nozzle 16th
  • a contact surface 22 is configured.
  • the contact surface 22 in this case faces the receiving space 15. Furthermore, the contact surface 22 is designed conically with respect to a longitudinal axis 23 of the receiving space 15. An opening angle for the contact surface 22 may be, for example, about 45 °.
  • annular support member 24 is provided, on which a rounded edge 25 is configured.
  • the annular support member 24 is disposed in the receiving space 15 and surrounds the fuel nozzle 16.
  • the rounded edge 25 of the annular support member 24 in this case the contact surface 22 of the inner collar 18 faces.
  • the annular support member 24 is supported on the contact surface 22 of the inner collar 18.
  • the annular support member 24 also has an annular recess 26.
  • the annular recess 26 is in this case designed to be open inwardly. This means that the annular recess 26 is configured open to the fuel nozzle 16. In the annular recess 26, an elastically deformable element 27 is partially inserted.
  • the elastically deformable element 27 is indirectly supported on the inner collar 18 in this embodiment.
  • the elastically deformable element 27 may also be supported directly on the inner collar 12 of the connecting piece 9.
  • annular member 30 is provided, which is connected via a weld 31 with the fuel nozzle 16.
  • the annular element 30 may also be designed as a snap ring 30 or be connected in some other way to the fuel nozzle 16.
  • a support surface 32 is configured on the annular member 30, a support surface 32 is configured. In a modified embodiment, however, the support surface 32 may also be configured directly on the fuel stub 16, in particular a collar of the fuel stub 16.
  • annular angle element 33 which has an L-shaped profile into which the elastically deformable element 27 is partially inserted.
  • the elastically deformable element 27 has a rectangular, in particular square, profile and is of annular design.
  • the elastically deformable member 27 is disposed between the annular winking element 33 and the annular support member 24.
  • the elastically deformable member 27 is supported by the annular angle member 33 on the support surface 32 of the annular member 30.
  • the elastically deformable element 27 is indirectly supported on the support surface 32 of the annular element 30.
  • the elastically deformable element 27 may also be supported directly on the support surface 32 of the annular element 30.
  • the annular angle element 33 abuts in this embodiment on an outer side 34 of the fuel nozzle 16. As a result, a stationary positioning of the annular angle element 33 is ensured on the fuel nozzle 16.
  • the fuel nozzle 16 is supported at least on the elastically deformable element 27 on the inner collar 18 of the connecting piece 9. Direct contact between the connector 9 and the fuel nozzle 16 is avoided. Thus, vibrations are significantly attenuated. Therefore, an elastic mounting of the fuel injection valve 17 can be realized in an advantageous manner.
  • the elastically deformable element 27 can in this case be realized by a wire mesh, a plate spring, a special spring or in other ways.
  • the elastically deformable element 27 can in this case be designed so that it also acts as an angle tolerance compensation element 27.
  • Fig. 2 shows a fuel injection system 1 with a suspension 2 in an excerpt, schematic sectional view according to a known example.
  • the connection body 5 at its Outside 40 recesses 41, 42 on.
  • the connection piece 9 has recesses 44, 45 on its inside 43.
  • the recess 44 of the connection piece 9 is in this case associated with the recess 41 of the connection body 5.
  • the recess 45 of the connection piece 9 is associated with the recess 42 of the connection body 5.
  • the recess 41 of the connecting body 5 and the recess 44 of the connecting piece 9 form a cylindrical space in which an arm 46 of a U-shaped connecting bracket 47 is inserted.
  • the recess 45 of the connecting piece 9 and the recess 42 of the connecting body 5 form a cylindrical space in which a further arm 48 of the U-shaped connecting bracket 47 is inserted.
  • the U-shaped connecting bracket 47 is in this case oriented perpendicular to the longitudinal axis 23 of the receiving space 15. This means that the two arms 46, 48 lie in a plane which is oriented perpendicular to the longitudinal axis 23.
  • the connector 9 is connected via the U-shaped connecting bracket 47 to the connector body 5.
  • the connector 9 is configured in this embodiment as a cup-shaped connector 9.
  • Fig. 3 shows the in Fig. 2 illustrated U-shaped connecting bracket 47 in a schematic representation.
  • the arm 46 is in this case connected via a curved connecting portion 49 with the further arm 48.
  • An inner side 50 of the bent connecting portion 49 may in this case form a stop for the assembly.

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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 (8)

  1. Fixation en suspension (2) pour des installations d'injection de carburant (1), pour la connexion d'une soupape d'injection de carburant (17) à un composant (3) acheminant du carburant, une pièce de raccordement (9) étant prévue, un espace de réception (15) étant prévu à l'intérieur de la pièce de raccordement (9), dans lequel espace de réception peut être disposée au moins en partie une buse à carburant (16) de la soupape d'injection de carburant (17), et un col (12) situé à l'intérieur étant réalisé sur la pièce de raccordement (9), un élément déformable élastiquement (27) étant prévu autour de la buse à carburant (16) de la soupape d'injection de carburant (17), l'élément déformable élastiquement (27) étant supporté avec son côté inférieur orienté vers le bas, vu dans la direction d'écoulement à travers la buse à carburant (16), au moins de manière indirecte contre le col (12), situé à l'intérieur, de la pièce de raccordement (9) et que la buse à carburant (16) peut être supportée au moins indirectement sur l'élément déformable élastiquement (27) au niveau de son côté supérieur orienté vers le haut, vu dans la direction d'écoulement à travers la buse à carburant (16), une réduction du bruit pouvant être réalisée par un découplage entre la soupape d'injection de carburant (17) et le composant acheminant le carburant (3),
    caractérisée en ce
    qu'une surface d'appui (22) est réalisée sur le col (12), situé à l'intérieur, de la pièce de raccordement (9), laquelle est réalisée sous forme conique par rapport à un axe longitudinal (23) de l'espace de réception (15) et est tournée vers l'espace de réception (15), et en ce qu'un élément de support annulaire (24) est prévu et en ce que l'élément déformable élastiquement (27) est supporté au moyen de l'élément de support annulaire (24) sur le col (12), situé à l'intérieur, de la pièce de raccordement (9).
  2. Fixation en suspension selon la revendication 1,
    caractérisée en ce que
    l'élément de support annulaire (24) présente un évidement annulaire (26) dans lequel est inséré au moins en partie l'élément déformable élastiquement (27), et/ou en ce que l'élément déformable élastiquement (27) est réalisé sous forme d'élément déformable élastiquement annulaire (27).
  3. Fixation en suspension selon la revendication 2,
    caractérisée en ce que
    l'évidement annulaire (26) de l'élément de support annulaire (24) est réalisé sous forme ouverte vers l'intérieur.
  4. Fixation à suspension selon l'une quelconque des revendications 1 à 3,
    caractérisée en ce que
    lors d'une fixation en suspension en liaison avec une buse à carburant (16) de la soupape d'injection de carburant (17), une surface de support (32) est réalisée sur la buse à carburant (16) ou sur un élément (30) connecté à la buse à carburant (16), en ce qu'un élément coudé annulaire (33) est prévu, lequel présente un profil en forme de L, dans lequel l'élément déformable élastiquement (27) est inséré au moins en partie et en ce que la buse à carburant (16) est supportée au moins au moyen de l'élément coudé annulaire (33) sur l'élément déformable élastiquement (27).
  5. Fixation en suspension selon la revendication 4,
    caractérisée en ce que
    l'élément coudé annulaire (33) s'applique contre un côté extérieur (34) de la buse à carburant (16) .
  6. Fixation en suspension selon la revendication 4 ou 5,
    caractérisée en ce que
    l'élément (30) connecté à la buse à carburant (16) est connecté par engagement par liaison de matière à la buse à carburant (16).
  7. Fixation en suspension selon l'une quelconque des revendications 1 à 6,
    caractérisée en ce que
    lors d'une fixation en suspension en liaison avec une buse à carburant (16) de la soupape d'injection de carburant (17), un étrier de liaison en forme de U (47) est prévu, en ce que la pièce de raccordement (9) est connectée par le biais de l'étrier de liaison en forme de U (47) à un corps de raccordement (5) du composant (3) acheminant le carburant, en ce que le corps de raccordement (5) présente, au niveau de son côté extérieur (40), au moins un évidement (41, 42), en ce que la pièce de raccordement (9) présente, au niveau de son côté interne (43), au moins un évidement (44, 45) qui est associé à l'évidement (41, 42) du corps de raccordement (5), en ce que l'étrier de liaison en forme de U (47) s'engage dans l'au moins un évidement (41, 42) du corps de raccordement (5) et dans l'au moins un évidement (44, 45) de la pièce de raccordement (9) et en ce que l'étrier de liaison en forme de U (47) est orienté au moins approximativement perpendiculairement à un axe longitudinal (23) de l'espace de réception (15).
  8. Installation d'injection de carburant (1), en particulier pour des moteurs à combustion interne à allumage commandé et à compression du mélange, comprenant au moins un composant acheminant du carburant (3), au moins une soupape d'injection de carburant (17) et au moins une fixation en suspension (2) selon l'une quelconque des revendications 1 à 7, la soupape d'injection de carburant (17) étant fixée par suspension par le biais de la fixation en suspension (2) au composant (3) acheminant du carburant.
EP14700405.5A 2013-01-22 2014-01-14 Installation d'injection de carburant dotée d'un élément d'acheminement de carburant, d'un injecteur de carburant et d'une attache en suspension Active EP2948674B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18171136.7A EP3388662B1 (fr) 2013-01-22 2014-01-14 Attache en suspension pour une installation d'injection de carburant pour relier un élément d'acheminement de carburant avec un injecteur de carburant et installation d'injection de carburant

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013200993.3A DE102013200993A1 (de) 2013-01-22 2013-01-22 Brennstoffeinspritzanlage mit einer Brennstoff führenden Komponente, einem Brennstoffeinspritzventil und einer Aufhängung
PCT/EP2014/050591 WO2014114526A1 (fr) 2013-01-22 2014-01-14 Installation d'injection de carburant dotée d'un élément d'acheminement de carburant, d'un injecteur de carburant et d'une attache en suspension

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP18171136.7A Division EP3388662B1 (fr) 2013-01-22 2014-01-14 Attache en suspension pour une installation d'injection de carburant pour relier un élément d'acheminement de carburant avec un injecteur de carburant et installation d'injection de carburant
EP18171136.7A Division-Into EP3388662B1 (fr) 2013-01-22 2014-01-14 Attache en suspension pour une installation d'injection de carburant pour relier un élément d'acheminement de carburant avec un injecteur de carburant et installation d'injection de carburant

Publications (2)

Publication Number Publication Date
EP2948674A1 EP2948674A1 (fr) 2015-12-02
EP2948674B1 true EP2948674B1 (fr) 2018-07-25

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EP14700405.5A Active EP2948674B1 (fr) 2013-01-22 2014-01-14 Installation d'injection de carburant dotée d'un élément d'acheminement de carburant, d'un injecteur de carburant et d'une attache en suspension
EP18171136.7A Active EP3388662B1 (fr) 2013-01-22 2014-01-14 Attache en suspension pour une installation d'injection de carburant pour relier un élément d'acheminement de carburant avec un injecteur de carburant et installation d'injection de carburant

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EP18171136.7A Active EP3388662B1 (fr) 2013-01-22 2014-01-14 Attache en suspension pour une installation d'injection de carburant pour relier un élément d'acheminement de carburant avec un injecteur de carburant et installation d'injection de carburant

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Country Link
US (1) US9920728B2 (fr)
EP (2) EP2948674B1 (fr)
KR (1) KR102179623B1 (fr)
CN (1) CN104937257B (fr)
DE (1) DE102013200993A1 (fr)
WO (1) WO2014114526A1 (fr)

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US10550813B2 (en) * 2014-03-14 2020-02-04 Continental Automotive Gmbh Fuel injection assembly
DE102017219628A1 (de) 2017-11-06 2019-05-09 Robert Bosch Gmbh Einspritzanlage, insbesondere Brennstoffeinspritzanlage, mit einer Fluid führenden Komponente, einem Zumessventil und einer Aufhängung
DE102017219632A1 (de) 2017-11-06 2019-05-09 Robert Bosch Gmbh Zumessventil zum Zumessen eines Fluids, das insbesondere für Brennstoffeinspritzanlagen dient, Aufhängung für Einspritzanlagen und Einspritzanlage mit solch einem Zumessventil
DE102017219630A1 (de) 2017-11-06 2019-05-09 Robert Bosch Gmbh Einspritzanlage, insbesondere Brennstoffeinspritzanlage, mit einer Fluid führenden Komponente, einem Zumessventil und einer Aufhängung
DE102017219627A1 (de) 2017-11-06 2019-05-09 Robert Bosch Gmbh Einspritzanlage, insbesondere Brennstoffeinspritzanlage, mit einer Fluid führenden Komponente, einem Zumessventil und einer Aufhängung
DE102017219629A1 (de) 2017-11-06 2019-05-09 Robert Bosch Gmbh Einspritzanlage, insbesondere Brennstoffeinspritzanlage, mit einer Fluid führenden Komponente, einem Zumessventil und einer Aufhängung
DE102017219641A1 (de) 2017-11-06 2019-05-09 Robert Bosch Gmbh Zumessventil zum Zumessen eines Fluids, das insbesondere für Brennstoffeinspritzanlagen dient, Aufhängung für Einspritzanlagen und Einspritzanlage mit solch einem Zumessventil
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Also Published As

Publication number Publication date
EP3388662B1 (fr) 2021-01-13
KR102179623B1 (ko) 2020-11-18
DE102013200993A1 (de) 2014-07-24
EP3388662A1 (fr) 2018-10-17
WO2014114526A1 (fr) 2014-07-31
KR20150107758A (ko) 2015-09-23
EP2948674A1 (fr) 2015-12-02
CN104937257A (zh) 2015-09-23
CN104937257B (zh) 2018-04-24
US9920728B2 (en) 2018-03-20
US20160003205A1 (en) 2016-01-07

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