EP2905461B1 - Installation d'injection de carburant dotée d'un composant destiné à guider le carburant, d'une soupape d'injection de carburant et d'un support - Google Patents

Installation d'injection de carburant dotée d'un composant destiné à guider le carburant, d'une soupape d'injection de carburant et d'un support Download PDF

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Publication number
EP2905461B1
EP2905461B1 EP14194254.0A EP14194254A EP2905461B1 EP 2905461 B1 EP2905461 B1 EP 2905461B1 EP 14194254 A EP14194254 A EP 14194254A EP 2905461 B1 EP2905461 B1 EP 2905461B1
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EP
European Patent Office
Prior art keywords
guide
fuel injection
component
holding body
fuel
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
EP14194254.0A
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German (de)
English (en)
Other versions
EP2905461A2 (fr
EP2905461A3 (fr
Inventor
Ralf Kromer
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
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2905461A2 publication Critical patent/EP2905461A2/fr
Publication of EP2905461A3 publication Critical patent/EP2905461A3/fr
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Publication of EP2905461B1 publication Critical patent/EP2905461B1/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
    • 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
    • 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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/46—Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups F02M69/02 - F02M69/44
    • F02M69/462—Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down
    • F02M69/465—Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down of fuel rails
    • 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 holder for fuel injection systems for holding a fuel injection valve at a junction of a fuel-carrying component and a fuel injection system with such a holder. Specifically, the invention relates to the field of fuel injection systems for mixture-compression, spark-ignition internal combustion engines.
  • a fuel injection system with a fuel rail and a fuel injection valve is known.
  • a coupling device is provided, which has a cup which is designed such that it is hydraulically coupled to the fuel rail and forms a connection with a fuel inlet part of the fuel injection valve.
  • the cup has two holes through which extend screws. The ends of the screws are screwed into a plate which engages via a ring on the fuel injection valve. Further, the fuel injection valve is held by a further ring, so that a movement of the fuel injection valve is blocked in the two directions along a longitudinal axis.
  • This known embodiment has the disadvantage that no biasing force is transferable to the fuel injector.
  • the bracing screws have an external thread, which cooperates to a screw connection with an internal thread of the holding body.
  • the Verspannschrauben are positively guided in the holding body.
  • the holes for the Verspannschrauben in the holding body are provided only over a partial length with the internal thread, so that over the remaining length of the holes each one thread-free guide portion is given by the Verspannschrauben protrude with play, but due to the positive guidance in the threaded area in the assembled state, the leadership of the holding body on the component along the adjustment axis by the thread-free area is irrelevant.
  • the holder according to the invention with the features of claim 1 and the fuel injection system according to the invention with the features of claim 5 have the advantage that an improved design and improved operation of the suspension are possible. Specifically, a reliable attachment of the fuel injection valve to the fuel-carrying component can be achieved, wherein the holding forces that occur are optimized. Specifically, with respect to the holding forces required to hold the fuel injector at the junction of the fuel component, potentially occurring bending stresses in the fuel injector may be reduced or eliminated altogether.
  • the fuel injection system is suitable for gasoline direct injection.
  • the holder is particularly suitable for fuel injection systems that are used for gasoline direct injection.
  • 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 injection valves are then preferably attached via corresponding holders at the connection points of the fuel distributor.
  • the fuel injectors inject the fuel for the combustion process required fuel then under high pressure under the respective combustion chamber of an internal combustion engine.
  • 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-carrying component and the fuel injection valve are not components of the holder according to the invention.
  • the holder according to the invention can also be manufactured and sold separately from the fuel-carrying component and a fuel injection valve.
  • valve teat a conspicuous and disturbing contribution to the overall noise of the engine can be made, which can be described as a valve teat.
  • 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-term, but very high contact forces, which can be transmitted via a housing of the fuel injection valve to the cylinder head, if there is a direct contact. This then leads to the cylinder head to a strong noise.
  • the holder By the holder, an effective decoupling of the fuel injection valve can be realized by the cylinder head in a compact structure in an advantageous manner. Furthermore, it is possible to save a separate hold-down, which for example uses a spring force. Depending on the configuration of the fuel injection system, the holder can also act upon the fuel injection valve with a biasing force against the connection point of the fuel-carrying component. Thus, the required sealing effect at the junction can be ensured even at high fuel pressures in an advantageous manner.
  • the fuel injector By mounting the fuel injector at the junction of the fuel-carrying component by means of the holder, the fuel injector can be positioned so that the fuel injector is not in direct contact with the cylinder head.
  • the required seal between the fuel injection valve and the cylinder head can be selected independently of the suspension.
  • a Teflon seal may be provided between a valve tip of the fuel injection valve and the cylinder head.
  • the seal between the fuel injection valve and the component can be done in a suitable manner.
  • a metallic ball or cone seal can be provided at the connection point in order to realize the seal between the fuel injection valve and the fuel-carrying component.
  • the holding body has at least one further guide part.
  • the further guide part allows in the mounted state, a guide of the holding body to the component along the adjustment axis. In this embodiment, therefore, an advantageous guidance over the guide part and the further guide part along the adjustment axis is given.
  • the holding body additionally has a clamping part and a support part.
  • the clamping part acts together with the clamping element.
  • the support surface, on which the fuel injection valve is supported in the assembled state designed on the support member.
  • the clamping part is connected on the one hand via the guide member and on the other hand via the further guide member with the support member.
  • a force applied by the clamping element in particular a biasing force, are transmitted via the guide parts on the support member, where it acts on the fuel injection valve against the junction of the fuel component leading.
  • the fuel injection valve can be acted upon with a suitable biasing force.
  • the holding force that holds the fuel injector at the junction of be added to the support member.
  • the guide member, the clamping member, the further guide member and the support member of the holding body in a closed, O-shaped arrangement can be arranged to each other. This allows on the one hand an advantageous guidance and on the other hand an advantageous adhesion.
  • the clamping part has a continuous threaded bore in which the clamping element is adjustable, and that a screw axis of the threaded bore is parallel to the adjustment axis.
  • the guide part has a guide portion with a cylindrical jacket-shaped guide surface. If a further guide part is provided, then it is likewise advantageous that the further guide part has a guide section with a cylinder jacket-shaped guide surface. In this case, guide bores can be provided in the component in which the guide parts are guided.
  • the guide part is designed as a guide rib with an at least partially rectangular guide cross section. If a further guide part is provided, then it is likewise advantageous that the further guide part is designed as a guide rib with an at least partially rectangular guide cross section.
  • this embodiment can be provided in the component in an advantageous manner, open guide, in which the guide parts can be inserted. Thus, a simple mounting of the holding body to the fuel component is possible.
  • the holder has at least one guide nose and that the guide part and the guide nose in the mounted state together restrict two degrees of freedom between the holder and the component, which are perpendicular to the adjustment axis.
  • This embodiment is particularly advantageous in combination with a guide part, which is designed as a guide rib.
  • the guide nose can be attached to the guide part.
  • a further guide nose is provided, which may be attached to a further guide part.
  • the further guide part and the further guide nose in the mounted state can together restrict two degrees of freedom between the holder and the component, which are perpendicular to the adjustment axis.
  • At least one guide recess is formed on the component, in which the guide part of the holding body is at least partially arranged in the assembled state, and that the holding body is guided along the adjustment axis via the guide part arranged in the guide recess.
  • the guide recess may in this case be configured as a guide bore or guide groove or guide slot.
  • a further guide recess may be formed on the component, in which the further guide part of the holding body is at least partially arranged in the mounted state, wherein the holding body is also guided over the arranged in the further guide recess further guide member along the adjustment axis.
  • connection surface is configured such that the fuel injection valve has a connection piece which abuts at least indirectly on the connection surface, that the connection piece has a collar with which the connection piece the supporting surface of the holding body is supported, and that by means of the clamping element, the connecting piece against the
  • the connecting piece of the fuel injection valve may be designed in the region of the connection surface, in particular in a part-spherical or frusto-conical form.
  • Fig. 1 shows a fuel injection system 1 with a holder 2, a fuel injection valve 3 and a fuel-carrying component 4 in an excerpt, schematic, spatial representation according to a first embodiment.
  • the fuel-carrying component 4 can be configured as a fuel distributor 4, in particular fuel distributor strip 4.
  • Such a fuel rail 4 may serve for storing and distributing fuel to a plurality of fuel injection valves 3, which are fastened to the fuel-carrying component 4 via corresponding holders 2.
  • the holder 2 has a holding body 5 and a clamping element 6.
  • the holding body 5 comprises a guide part 7, a further guide part 8, a clamping part 9 and a support part 10.
  • the clamping part 9 is connected on the one hand via the guide member 7 and on the other hand via the further guide member 8 with the support member 10.
  • the clamping element 6 is arranged in a threaded bore 11 of the clamping part 9. By screwing or unscrewing the clamping element 6 in or out of the threaded bore 11, an adjustment of the holding body 5 relative to the fuel-carrying component 4 is possible.
  • the adjustment of the holding body 5 takes place here along an adjustment axis 15.
  • the guide member 7 and the further guide member 8 allow in the assembled state, a guide of the holding body 5 on the component 4 along the adjustment axis 15.
  • a connecting piece 16 of the fuel injection valve 3 of the Support member 10 of the holding body 5 of the holder 2 is held.
  • a bias of the connecting piece 16 against the component 4 can be achieved by screwing the clamping element 6 designed as a clamping screw 6 in the support member 10.
  • the configuration of the fuel injection system 1 is hereinafter also with reference to the Fig. 2 further described.
  • Fig. 2 shows the in Fig. 1 illustrated fuel injection system 1 according to the first embodiment in an excerpt, cut representation.
  • the threaded bore 11 is configured in the clamping part 9 as a continuous threaded bore 11.
  • the clamping element 6 is adjustable in the threaded bore 11.
  • a screw 15 of the threaded bore 11 is in this case in this embodiment with the adjustment axis 15 match.
  • the screw axis 15 and the adjustment axis 15 can also be arranged in parallel, but not coincident.
  • the guide member 7, the clamping member 9, the further guide member 8 and the support member 10 of the holding body 5 are arranged in a closed, O-shaped arrangement 7, 8, 9, 10 to each other.
  • a multi-part embodiment of the arrangement 7 to 10 is possible.
  • the number of parts can be determined in relation to the particular application.
  • a one-piece embodiment of the arrangement 7 to 10 is possible, as in the reference to the Fig. 3 to 5 described embodiment is possible, for example.
  • the guide part 7 has a guide section 17, which has a cylinder jacket-shaped guide surface 18. Further, the guide member 7 in this embodiment, ends 19, 20 on which the guide member 7 is connected to the clamping part 9 and the support member 10.
  • the further guide part 8 has a guide section 21 and ends 22, 23.
  • the guide section 21 has a cylinder jacket-shaped guide surface 24.
  • the further guide part 8 is connected to the clamping part 9.
  • the further guide part 8 is connected to the support member 10.
  • the component 4 has a guide recess 25 and a guide recess 26.
  • the guide recesses 25, 26 are configured in this embodiment as guide holes 25, 26.
  • the guide member 7 is guided at its guide portion 17 along the adjustment axis 17.
  • the guide surface 18 of the guide portion 17 abuts against the guide bore 25.
  • the further guide part 8 is guided with its guide portion 21 in the guide bore 26 of the component 4.
  • the guide surface 24 of the Guide portion 21 on the guide bore 26 at.
  • the further guide part 8 is guided along the adjustment axis 15.
  • the two guide parts 7, 8 are guided along the adjustment axis 15, so that overall the holding body 5 is guided over the guide parts 7, 8 along the adjustment axis 15.
  • Tilting or the like is reliably prevented by this guide. Furthermore, the adjusting and / or biasing force generated by tightening the clamping screw 6 is transmitted uniformly over the guide members 7, 8 on the support member 10. Thereby, the support member 10 is acted upon in a direction 27 at least substantially along the adjustment axis 15 with the adjusting and / or biasing force.
  • the component 4 has a connection point 28 at which the fuel injection valve 3 is connected to the component 4. At the junction 28 of the component 4, a connection surface 29 is configured.
  • the connector 16 of the fuel injection valve 3 is in this embodiment directly to the pad 29 at.
  • an indirect system is conceivable, for example via a sealing element.
  • the connector 16 is at least indirectly, that is, directly or indirectly, to the pad 29 of the component 4 at.
  • the connecting piece 16 has a part-spherical sealing surface 30 which rests against the connecting surface 29 configured as a conical sealing surface 29.
  • the sealing surface 30 of the connector 16 may be configured in a modified embodiment as a spherical-truncated sealing surface 30.
  • connection piece 16 has a collar 35. With the collar 35, the connecting piece 16 is supported on a support surface 36 of the support member 10 of the holding body 5.
  • a plurality of support surfaces 36 may be provided.
  • the prestressing force which can be adjusted by the tensioning element (tensioning screw) 6 can thus be transmitted from the supporting part 10 of the holding body 5 to the connecting piece 16 of the fuel injection valve 3.
  • the connecting piece 16 With this biasing force, the connecting piece 16 is acted upon in the direction 27 against the connection surface 29 of the component 4.
  • the fitting 16 by means of Clamping element 6 is acted upon against the connection surface 29 of the component 4 with the set bias voltage.
  • hydraulic forces may be applied to the fuel injection valve 3 against the direction 27.
  • the holding forces for holding the fuel injection valve 3 to the component 4 are applied in a corresponding manner by the holder 2, wherein the connecting piece 16 is supported with its collar 35 on the support surface 36 of the support member 10.
  • the holding forces act here at least substantially along the adjustment axis 15. The occurrence of bending stresses in the fuel injection valve 3, which can occur in principle during fastening and holding, are thus significantly reduced.
  • Fig. 3 shows a fuel injection system 1 with a holder 2, a fuel injection valve 3 and a fuel-carrying component 4 in an excerpt, schematic, spatial representation according to a second embodiment.
  • the guide member 7 is formed as a guide rib 7 with a partially rectangular guide cross-section.
  • the further guide part 8 is formed as a guide rib 8 with a partially rectangular guide cross-section.
  • the guide recesses 25, 26 are configured in this embodiment as laterally open guide recesses 25, 26.
  • the guide recesses 25, 26 configured as guide grooves 25, 26 in the component 4.
  • the holding body 5 of the holder 2 can thereby be designed in one piece.
  • the holding body 5 may be configured as a metallic casting.
  • the guide lugs 40, 41 are in this case designed as rib-shaped guide lugs 40, 41.
  • the guide nose 40 is attached to the guide part 7 of the holding body 5.
  • the guide nose 41 is attached to the guide part 8 of the holding body 5.
  • the guide member 7 and the guide lug 40 in the assembled state together limit two degrees of freedom between the holder 2 and the component 4, which are perpendicular to the adjustment axis 15.
  • the guide member 8 and the guide lug 41 in the assembled state together limit two degrees of freedom between the holder 2 and the component 4, which are perpendicular to the adjustment axis 15.
  • the guide nose 40 is guided for this purpose in a guide groove 42 of the component.
  • the guide nose 41 is guided for this purpose in a guide groove 43 of the component 4.
  • such guide lugs 40, 41 may also be configured on the component 4, while the guide grooves 42, 43 are then configured on the holding body 5 of the holder 2. As a result, an improved guidance can also be achieved.
  • Fig. 4 shows the in Fig. 3 illustrated fuel injection system 1 with the holder 2, the fuel injection valve 3 and the component 4 according to the second embodiment in an excerpt, cut representation.
  • the connection piece 16 rests with its sealing surface 30 on the connection surface 29 of the component 4.
  • the fuel injection valve 3 is connected at the connection point 28 with the fuel-carrying component 4.
  • the guidance of the holding body 5 in this case allows a uniform transfer of the clamping screw 6 applied biasing force to the seal between the connector 16 and the pad 29. Further, even with the occurrence of additional holding forces, for example, due to the hydraulic flow of the fuel into the fuel passage 37th are required to avoid or prevent the occurrence of bending stresses.
  • the clamping screw 6 is supported on a surface 44 of the component 4.
  • the clamping screw 6 pulls during assembly, the support member 10 in the direction 27, whereby the connecting piece 16 is pulled during assembly in the direction 27 on the conical connecting surface 29.
  • the guides of the holding body 5 on the component 4 in this case comprise the guide sections 17, 21 and the guide lugs 40, 41st
  • Fig. 5 shows the in Fig. 3 illustrated fuel injection system 1 according to the second embodiment during assembly.
  • the holding body 5 is applied to the component 4 with the optionally already inserted clamping element 6 in a mounting direction 45, which is perpendicular to the adjustment axis 15.
  • the guide parts 7, 8 designed as guide ribs 7, 8 are inserted into the guide recesses 25, 26 configured as guide grooves 25, 26.
  • the holding body 5 is adjusted counter to the direction 27 along the adjustment axis 15.
  • the holding body 5 is guided by the guide portions 17, 21 in the guide recesses 25, 26.
  • the guide lugs 40, 41 of the holding body 5 engage in the guide grooves 42, 43 of the component 4. If necessary, the clamping screw 6 must be unscrewed a little from the threaded bore 11 of the clamping part 9.
  • the fuel injection valve 3 can be inserted with its connection piece 16 from below through an opening 46 of the holding body 5 in the direction 27. Subsequently, the fuel injection valve 3 can be pivoted with its connection piece 16, which is possible, for example, by a rotation in a direction of rotation 47 about the adjustment axis 15.
  • the clamping screw 6 can be tightened.
  • the holding body 5 and the fuel injection valve 3 can first be adjusted slightly in the direction 27 relative to the component 4 and then acted upon by the biasing force.

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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 (7)

  1. Support (2) pour installations d'injection de carburant (1) pour supporter une soupape d'injection de carburant (3) au niveau d'un point de raccordement (28) d'un composant (4) guidant le carburant, avec un corps de retenue (5) et un élément de serrage (6), le corps de retenue (5) présentant au moins une surface de support (36) sur laquelle la soupape d'injection de carburant (3) peut être supportée, et le corps de retenue (5) pouvant être déplacé par rapport au composant (4) le long d'un axe de déplacement (15) par le biais de l'élément de serrage (6),
    le corps de retenue (5) présentant au moins une partie de guidage (7) qui, dans l'état monté, permet un guidage du corps de retenue (5) sur le composant (4) le long de l'axe de déplacement (15),
    une partie de guidage supplémentaire (8) étant encore prévue,
    caractérisé en ce que
    le corps de retenue (5) présente, en plus de la partie de guidage supplémentaire (8), encore une partie de serrage (9) qui coopère avec l'élément de serrage (6), et une partie de support (10) sur laquelle est réalisée la surface de support (36), la partie de guidage supplémentaire (8), dans l'état monté, permettant un guidage du corps de retenue (5) sur le composant (4) le long de l'axe de déplacement (15) et
    en ce que la partie de serrage (9) d'une part est connectée par le biais de la partie de guidage (7) et d'autre part par le biais de la partie de guidage supplémentaire (8) à la partie de support (10) et
    en ce que la partie de guidage (7), la partie de serrage (9), la partie de guidage supplémentaire (8) et la partie de support (10) du corps de retenue (5) sont disposées suivant un agencement fermé en forme de O (7, 8, 9, 10) les unes par rapport aux autres et
    en ce que la partie de serrage (9) présente un alésage fileté traversant (11) dans lequel l'élément de serrage (6) peut être déplacé et un axe de vissage (15) de l'alésage fileté (11) est parallèle à l'axe de déplacement (15).
  2. Support selon la revendication 1,
    caractérisé en ce que
    la partie de guidage (7) présente une portion de guidage (17) avec une surface de guidage (18) en forme d'enveloppe cylindrique.
  3. Support selon la revendication 1,
    caractérisé en ce que
    la partie de guidage (7) est réalisée sous forme d'ailette de guidage (7) avec une section transversale de guidage au moins en partie rectangulaire.
  4. Support selon l'une quelconque des revendications 1 à 3,
    caractérisé en ce que
    le support (2) présente au moins un ergot de guidage (40, 41) et en ce que la partie de guidage (7) et l'ergot de guidage (40, 41), dans l'état monté, limitent ensemble deux degrés de liberté entre le support (2) et le composant (4), qui sont perpendiculaires à l'axe de déplacement (15).
  5. Installation d'injection de carburant (1), en particulier pour des moteurs à combustion interne à allumage par étincelle, à compression du mélange, comprenant au moins une soupape d'injection de carburant (3), au moins un composant (4) guidant le carburant, qui présente au moins un point de raccordement (28) pour la soupape d'injection de carburant (3), et au moins un support (2) selon l'une quelconque des revendications 1 à 4, le support (2) retenant la soupape d'injection de carburant (3) au niveau du point de raccordement (28) du composant (4).
  6. Installation d'injection de carburant selon la revendication 5,
    caractérisée en ce
    qu'au moins un évidement de guidage (25) est réalisé au niveau du composant (4), dans lequel la partie de guidage (7) du corps de retenue (5), dans l'état monté, est disposée au moins en partie, et en ce que le corps de retenue (5) est guidé le long de l'axe de déplacement (15) par le biais de la partie de guidage (7) disposée dans l'évidement de guidage (25).
  7. Installation d'injection de carburant selon la revendication 6,
    caractérisée en ce
    qu'une surface de raccordement (29) est réalisée au niveau du point de raccordement (28) du composant (4), en ce que la soupape d'injection de carburant (3) présente une pièce de raccordement (16) qui s'applique au moins indirectement contre la surface de raccordement (29), en ce que la pièce de raccordement (16) présente un épaulement (35) avec lequel la pièce de raccordement (16) est supportée sur la surface de support (36) du corps de retenue (5), et en ce que la pièce de raccordement (16) peut être sollicitée avec une précontrainte au moyen de l'élément de serrage (6) contre la surface de raccordement (29) du composant (4).
EP14194254.0A 2014-01-15 2014-11-21 Installation d'injection de carburant dotée d'un composant destiné à guider le carburant, d'une soupape d'injection de carburant et d'un support Active EP2905461B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014200597.3A DE102014200597A1 (de) 2014-01-15 2014-01-15 Brennstoffeinspritzanlage mit einer Brennstoff führenden Komponente, einem Brennstoffeinspritzventil und einem Halter

Publications (3)

Publication Number Publication Date
EP2905461A2 EP2905461A2 (fr) 2015-08-12
EP2905461A3 EP2905461A3 (fr) 2015-11-25
EP2905461B1 true EP2905461B1 (fr) 2019-03-13

Family

ID=51987013

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Application Number Title Priority Date Filing Date
EP14194254.0A Active EP2905461B1 (fr) 2014-01-15 2014-11-21 Installation d'injection de carburant dotée d'un composant destiné à guider le carburant, d'une soupape d'injection de carburant et d'un support

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EP (1) EP2905461B1 (fr)
DE (1) DE102014200597A1 (fr)

Families Citing this family (3)

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Publication number Priority date Publication date Assignee Title
DE102018120239A1 (de) 2018-08-20 2020-02-20 Volkswagen Aktiengesellschaft Anordnung eines Brennstoffeinspritzventils an einem Kraftstoffverteiler einer Brennkraftmaschine
DE102018222411A1 (de) 2018-12-20 2020-06-25 Robert Bosch Gmbh Einspritzanlage mit zumindest einem Ventil zum Zumessen eines Fluids
US11454200B2 (en) 2019-11-08 2022-09-27 Delphi Technologies Ip Limited Fuel system with an arrangement which seals between a fuel injector and a fuel rail socket

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Publication number Priority date Publication date Assignee Title
DE10108203A1 (de) * 2001-02-21 2002-08-29 Bosch Gmbh Robert Montagebügel und Verfahren zur Montage eines Brennstoffeinspritzventils
DE102004048401A1 (de) * 2004-10-01 2006-04-06 Robert Bosch Gmbh Niederhalter für eine Brennstoffeinspritzvorrichtung und Brennstoffeinspritzvorrichtung
EP2375052B1 (fr) 2010-04-08 2012-11-07 Continental Automotive GmbH Ensemble d'injecteur de carburant
DE102012209421A1 (de) * 2012-06-04 2013-12-05 Robert Bosch Gmbh Vorrichtung zum Zumessen von Kraftstoff

Non-Patent Citations (1)

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Publication number Publication date
EP2905461A2 (fr) 2015-08-12
EP2905461A3 (fr) 2015-11-25
DE102014200597A1 (de) 2015-07-16

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